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00022 #include "config.h"
00023 #include <ctype.h>
00024 #include <string.h>
00025 #include <math.h>
00026 #include <stdlib.h>
00027 #include <errno.h>
00028 #include <signal.h>
00029 #include <limits.h>
00030 #include <unistd.h>
00031 #include "libavformat/avformat.h"
00032 #include "libavdevice/avdevice.h"
00033 #include "libswscale/swscale.h"
00034 #include "libavutil/opt.h"
00035 #include "libavcodec/audioconvert.h"
00036 #include "libavutil/audioconvert.h"
00037 #include "libavutil/parseutils.h"
00038 #include "libavutil/samplefmt.h"
00039 #include "libavutil/colorspace.h"
00040 #include "libavutil/fifo.h"
00041 #include "libavutil/intreadwrite.h"
00042 #include "libavutil/dict.h"
00043 #include "libavutil/mathematics.h"
00044 #include "libavutil/pixdesc.h"
00045 #include "libavutil/avstring.h"
00046 #include "libavutil/libm.h"
00047 #include "libavutil/imgutils.h"
00048 #include "libavformat/os_support.h"
00049
00050 #if CONFIG_AVFILTER
00051 # include "libavfilter/avfilter.h"
00052 # include "libavfilter/avfiltergraph.h"
00053 # include "libavfilter/buffersrc.h"
00054 # include "libavfilter/vsrc_buffer.h"
00055 #endif
00056
00057 #if HAVE_SYS_RESOURCE_H
00058 #include <sys/types.h>
00059 #include <sys/time.h>
00060 #include <sys/resource.h>
00061 #elif HAVE_GETPROCESSTIMES
00062 #include <windows.h>
00063 #endif
00064 #if HAVE_GETPROCESSMEMORYINFO
00065 #include <windows.h>
00066 #include <psapi.h>
00067 #endif
00068
00069 #if HAVE_SYS_SELECT_H
00070 #include <sys/select.h>
00071 #endif
00072
00073 #include <time.h>
00074
00075 #include "cmdutils.h"
00076
00077 #include "libavutil/avassert.h"
00078
00079 #define VSYNC_AUTO -1
00080 #define VSYNC_PASSTHROUGH 0
00081 #define VSYNC_CFR 1
00082 #define VSYNC_VFR 2
00083
00084 const char program_name[] = "avconv";
00085 const int program_birth_year = 2000;
00086
00087
00088 typedef struct StreamMap {
00089 int disabled;
00090 int file_index;
00091 int stream_index;
00092 int sync_file_index;
00093 int sync_stream_index;
00094 } StreamMap;
00095
00099 typedef struct MetadataMap {
00100 int file;
00101 char type;
00102 int index;
00103 } MetadataMap;
00104
00105 static const OptionDef options[];
00106
00107 static int video_discard = 0;
00108 static int same_quant = 0;
00109 static int do_deinterlace = 0;
00110 static int intra_dc_precision = 8;
00111 static int qp_hist = 0;
00112
00113 static int file_overwrite = 0;
00114 static int do_benchmark = 0;
00115 static int do_hex_dump = 0;
00116 static int do_pkt_dump = 0;
00117 static int do_pass = 0;
00118 static char *pass_logfilename_prefix = NULL;
00119 static int video_sync_method = VSYNC_AUTO;
00120 static int audio_sync_method = 0;
00121 static float audio_drift_threshold = 0.1;
00122 static int copy_ts = 0;
00123 static int copy_tb = 1;
00124 static int opt_shortest = 0;
00125 static char *vstats_filename;
00126 static FILE *vstats_file;
00127
00128 static int audio_volume = 256;
00129
00130 static int exit_on_error = 0;
00131 static int using_stdin = 0;
00132 static int64_t video_size = 0;
00133 static int64_t audio_size = 0;
00134 static int64_t extra_size = 0;
00135 static int nb_frames_dup = 0;
00136 static int nb_frames_drop = 0;
00137 static int input_sync;
00138
00139 static float dts_delta_threshold = 10;
00140
00141 static int print_stats = 1;
00142
00143 static uint8_t *audio_buf;
00144 static unsigned int allocated_audio_buf_size;
00145
00146 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
00147
00148 typedef struct FrameBuffer {
00149 uint8_t *base[4];
00150 uint8_t *data[4];
00151 int linesize[4];
00152
00153 int h, w;
00154 enum PixelFormat pix_fmt;
00155
00156 int refcount;
00157 struct InputStream *ist;
00158 struct FrameBuffer *next;
00159 } FrameBuffer;
00160
00161 typedef struct InputStream {
00162 int file_index;
00163 AVStream *st;
00164 int discard;
00165 int decoding_needed;
00166 AVCodec *dec;
00167 AVFrame *decoded_frame;
00168 AVFrame *filtered_frame;
00169
00170 int64_t start;
00171 int64_t next_pts;
00172
00173 int64_t pts;
00174 PtsCorrectionContext pts_ctx;
00175 double ts_scale;
00176 int is_start;
00177 int showed_multi_packet_warning;
00178 AVDictionary *opts;
00179
00180
00181 FrameBuffer *buffer_pool;
00182 } InputStream;
00183
00184 typedef struct InputFile {
00185 AVFormatContext *ctx;
00186 int eof_reached;
00187 int ist_index;
00188 int buffer_size;
00189 int64_t ts_offset;
00190 int nb_streams;
00191
00192 int rate_emu;
00193 } InputFile;
00194
00195 typedef struct OutputStream {
00196 int file_index;
00197 int index;
00198 int source_index;
00199 AVStream *st;
00200 int encoding_needed;
00201 int frame_number;
00202
00203
00204
00205 struct InputStream *sync_ist;
00206 int64_t sync_opts;
00207 AVBitStreamFilterContext *bitstream_filters;
00208 AVCodec *enc;
00209 int64_t max_frames;
00210 AVFrame *output_frame;
00211
00212
00213 int video_resample;
00214 AVFrame pict_tmp;
00215 struct SwsContext *img_resample_ctx;
00216 int resample_height;
00217 int resample_width;
00218 int resample_pix_fmt;
00219 AVRational frame_rate;
00220 int force_fps;
00221 int top_field_first;
00222
00223 float frame_aspect_ratio;
00224
00225
00226 int64_t *forced_kf_pts;
00227 int forced_kf_count;
00228 int forced_kf_index;
00229
00230
00231 int audio_resample;
00232 ReSampleContext *resample;
00233 int resample_sample_fmt;
00234 int resample_channels;
00235 int resample_sample_rate;
00236 int reformat_pair;
00237 AVAudioConvert *reformat_ctx;
00238 AVFifoBuffer *fifo;
00239 FILE *logfile;
00240
00241 #if CONFIG_AVFILTER
00242 AVFilterContext *output_video_filter;
00243 AVFilterContext *input_video_filter;
00244 AVFilterBufferRef *picref;
00245 char *avfilter;
00246 AVFilterGraph *graph;
00247 #endif
00248
00249 int64_t sws_flags;
00250 AVDictionary *opts;
00251 int is_past_recording_time;
00252 int stream_copy;
00253 const char *attachment_filename;
00254 int copy_initial_nonkeyframes;
00255 } OutputStream;
00256
00257
00258 typedef struct OutputFile {
00259 AVFormatContext *ctx;
00260 AVDictionary *opts;
00261 int ost_index;
00262 int64_t recording_time;
00263 int64_t start_time;
00264 uint64_t limit_filesize;
00265 } OutputFile;
00266
00267 static InputStream *input_streams = NULL;
00268 static int nb_input_streams = 0;
00269 static InputFile *input_files = NULL;
00270 static int nb_input_files = 0;
00271
00272 static OutputStream *output_streams = NULL;
00273 static int nb_output_streams = 0;
00274 static OutputFile *output_files = NULL;
00275 static int nb_output_files = 0;
00276
00277 typedef struct OptionsContext {
00278
00279 int64_t start_time;
00280 const char *format;
00281
00282 SpecifierOpt *codec_names;
00283 int nb_codec_names;
00284 SpecifierOpt *audio_channels;
00285 int nb_audio_channels;
00286 SpecifierOpt *audio_sample_rate;
00287 int nb_audio_sample_rate;
00288 SpecifierOpt *frame_rates;
00289 int nb_frame_rates;
00290 SpecifierOpt *frame_sizes;
00291 int nb_frame_sizes;
00292 SpecifierOpt *frame_pix_fmts;
00293 int nb_frame_pix_fmts;
00294
00295
00296 int64_t input_ts_offset;
00297 int rate_emu;
00298
00299 SpecifierOpt *ts_scale;
00300 int nb_ts_scale;
00301 SpecifierOpt *dump_attachment;
00302 int nb_dump_attachment;
00303
00304
00305 StreamMap *stream_maps;
00306 int nb_stream_maps;
00307
00308 MetadataMap (*meta_data_maps)[2];
00309 int nb_meta_data_maps;
00310 int metadata_global_manual;
00311 int metadata_streams_manual;
00312 int metadata_chapters_manual;
00313 const char **attachments;
00314 int nb_attachments;
00315
00316 int chapters_input_file;
00317
00318 int64_t recording_time;
00319 uint64_t limit_filesize;
00320 float mux_preload;
00321 float mux_max_delay;
00322
00323 int video_disable;
00324 int audio_disable;
00325 int subtitle_disable;
00326 int data_disable;
00327
00328
00329 int *streamid_map;
00330 int nb_streamid_map;
00331
00332 SpecifierOpt *metadata;
00333 int nb_metadata;
00334 SpecifierOpt *max_frames;
00335 int nb_max_frames;
00336 SpecifierOpt *bitstream_filters;
00337 int nb_bitstream_filters;
00338 SpecifierOpt *codec_tags;
00339 int nb_codec_tags;
00340 SpecifierOpt *sample_fmts;
00341 int nb_sample_fmts;
00342 SpecifierOpt *qscale;
00343 int nb_qscale;
00344 SpecifierOpt *forced_key_frames;
00345 int nb_forced_key_frames;
00346 SpecifierOpt *force_fps;
00347 int nb_force_fps;
00348 SpecifierOpt *frame_aspect_ratios;
00349 int nb_frame_aspect_ratios;
00350 SpecifierOpt *rc_overrides;
00351 int nb_rc_overrides;
00352 SpecifierOpt *intra_matrices;
00353 int nb_intra_matrices;
00354 SpecifierOpt *inter_matrices;
00355 int nb_inter_matrices;
00356 SpecifierOpt *top_field_first;
00357 int nb_top_field_first;
00358 SpecifierOpt *metadata_map;
00359 int nb_metadata_map;
00360 SpecifierOpt *presets;
00361 int nb_presets;
00362 SpecifierOpt *copy_initial_nonkeyframes;
00363 int nb_copy_initial_nonkeyframes;
00364 #if CONFIG_AVFILTER
00365 SpecifierOpt *filters;
00366 int nb_filters;
00367 #endif
00368 } OptionsContext;
00369
00370 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
00371 {\
00372 int i, ret;\
00373 for (i = 0; i < o->nb_ ## name; i++) {\
00374 char *spec = o->name[i].specifier;\
00375 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
00376 outvar = o->name[i].u.type;\
00377 else if (ret < 0)\
00378 exit_program(1);\
00379 }\
00380 }
00381
00382 static void reset_options(OptionsContext *o)
00383 {
00384 const OptionDef *po = options;
00385
00386
00387 while (po->name) {
00388 void *dst = (uint8_t*)o + po->u.off;
00389
00390 if (po->flags & OPT_SPEC) {
00391 SpecifierOpt **so = dst;
00392 int i, *count = (int*)(so + 1);
00393 for (i = 0; i < *count; i++) {
00394 av_freep(&(*so)[i].specifier);
00395 if (po->flags & OPT_STRING)
00396 av_freep(&(*so)[i].u.str);
00397 }
00398 av_freep(so);
00399 *count = 0;
00400 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
00401 av_freep(dst);
00402 po++;
00403 }
00404
00405 av_freep(&o->stream_maps);
00406 av_freep(&o->meta_data_maps);
00407 av_freep(&o->streamid_map);
00408
00409 memset(o, 0, sizeof(*o));
00410
00411 o->mux_max_delay = 0.7;
00412 o->recording_time = INT64_MAX;
00413 o->limit_filesize = UINT64_MAX;
00414 o->chapters_input_file = INT_MAX;
00415
00416 uninit_opts();
00417 init_opts();
00418 }
00419
00420 static int alloc_buffer(InputStream *ist, FrameBuffer **pbuf)
00421 {
00422 AVCodecContext *s = ist->st->codec;
00423 FrameBuffer *buf = av_mallocz(sizeof(*buf));
00424 int ret;
00425 const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;
00426 int h_chroma_shift, v_chroma_shift;
00427 int edge = 32;
00428 int w = s->width, h = s->height;
00429
00430 if (!buf)
00431 return AVERROR(ENOMEM);
00432
00433 if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
00434 w += 2*edge;
00435 h += 2*edge;
00436 }
00437
00438 avcodec_align_dimensions(s, &w, &h);
00439 if ((ret = av_image_alloc(buf->base, buf->linesize, w, h,
00440 s->pix_fmt, 32)) < 0) {
00441 av_freep(&buf);
00442 return ret;
00443 }
00444
00445
00446
00447
00448
00449 memset(buf->base[0], 128, ret);
00450
00451 avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
00452 for (int i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
00453 const int h_shift = i==0 ? 0 : h_chroma_shift;
00454 const int v_shift = i==0 ? 0 : v_chroma_shift;
00455 if (s->flags & CODEC_FLAG_EMU_EDGE)
00456 buf->data[i] = buf->base[i];
00457 else
00458 buf->data[i] = buf->base[i] +
00459 FFALIGN((buf->linesize[i]*edge >> v_shift) +
00460 (pixel_size*edge >> h_shift), 32);
00461 }
00462 buf->w = s->width;
00463 buf->h = s->height;
00464 buf->pix_fmt = s->pix_fmt;
00465 buf->ist = ist;
00466
00467 *pbuf = buf;
00468 return 0;
00469 }
00470
00471 static void free_buffer_pool(InputStream *ist)
00472 {
00473 FrameBuffer *buf = ist->buffer_pool;
00474 while (buf) {
00475 ist->buffer_pool = buf->next;
00476 av_freep(&buf->base[0]);
00477 av_free(buf);
00478 buf = ist->buffer_pool;
00479 }
00480 }
00481
00482 static void unref_buffer(InputStream *ist, FrameBuffer *buf)
00483 {
00484 av_assert0(buf->refcount);
00485 buf->refcount--;
00486 if (!buf->refcount) {
00487 buf->next = ist->buffer_pool;
00488 ist->buffer_pool = buf;
00489 }
00490 }
00491
00492 static int codec_get_buffer(AVCodecContext *s, AVFrame *frame)
00493 {
00494 InputStream *ist = s->opaque;
00495 FrameBuffer *buf;
00496 int ret, i;
00497
00498 if (!ist->buffer_pool && (ret = alloc_buffer(ist, &ist->buffer_pool)) < 0)
00499 return ret;
00500
00501 buf = ist->buffer_pool;
00502 ist->buffer_pool = buf->next;
00503 buf->next = NULL;
00504 if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) {
00505 av_freep(&buf->base[0]);
00506 av_free(buf);
00507 if ((ret = alloc_buffer(ist, &buf)) < 0)
00508 return ret;
00509 }
00510 buf->refcount++;
00511
00512 frame->opaque = buf;
00513 frame->type = FF_BUFFER_TYPE_USER;
00514 frame->extended_data = frame->data;
00515 frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE;
00516
00517 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
00518 frame->base[i] = buf->base[i];
00519 frame->data[i] = buf->data[i];
00520 frame->linesize[i] = buf->linesize[i];
00521 }
00522
00523 return 0;
00524 }
00525
00526 static void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
00527 {
00528 InputStream *ist = s->opaque;
00529 FrameBuffer *buf = frame->opaque;
00530 int i;
00531
00532 for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
00533 frame->data[i] = NULL;
00534
00535 unref_buffer(ist, buf);
00536 }
00537
00538 static void filter_release_buffer(AVFilterBuffer *fb)
00539 {
00540 FrameBuffer *buf = fb->priv;
00541 av_free(fb);
00542 unref_buffer(buf->ist, buf);
00543 }
00544
00545 #if CONFIG_AVFILTER
00546
00547 static int configure_video_filters(InputStream *ist, OutputStream *ost)
00548 {
00549 AVFilterContext *last_filter, *filter;
00551 AVCodecContext *codec = ost->st->codec;
00552 AVCodecContext *icodec = ist->st->codec;
00553 AVSinkContext avsink_ctx = { .pix_fmt = codec->pix_fmt };
00554 AVRational sample_aspect_ratio;
00555 char args[255];
00556 int ret;
00557
00558 ost->graph = avfilter_graph_alloc();
00559
00560 if (ist->st->sample_aspect_ratio.num) {
00561 sample_aspect_ratio = ist->st->sample_aspect_ratio;
00562 } else
00563 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
00564
00565 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
00566 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
00567 sample_aspect_ratio.num, sample_aspect_ratio.den);
00568
00569 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
00570 "src", args, NULL, ost->graph);
00571 if (ret < 0)
00572 return ret;
00573 ret = avfilter_graph_create_filter(&ost->output_video_filter, &avsink,
00574 "out", NULL, &avsink_ctx, ost->graph);
00575 if (ret < 0)
00576 return ret;
00577 last_filter = ost->input_video_filter;
00578
00579 if (codec->width != icodec->width || codec->height != icodec->height) {
00580 snprintf(args, 255, "%d:%d:flags=0x%X",
00581 codec->width,
00582 codec->height,
00583 (unsigned)ost->sws_flags);
00584 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
00585 NULL, args, NULL, ost->graph)) < 0)
00586 return ret;
00587 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
00588 return ret;
00589 last_filter = filter;
00590 }
00591
00592 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
00593 ost->graph->scale_sws_opts = av_strdup(args);
00594
00595 if (ost->avfilter) {
00596 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
00597 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
00598
00599 outputs->name = av_strdup("in");
00600 outputs->filter_ctx = last_filter;
00601 outputs->pad_idx = 0;
00602 outputs->next = NULL;
00603
00604 inputs->name = av_strdup("out");
00605 inputs->filter_ctx = ost->output_video_filter;
00606 inputs->pad_idx = 0;
00607 inputs->next = NULL;
00608
00609 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
00610 return ret;
00611 } else {
00612 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
00613 return ret;
00614 }
00615
00616 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
00617 return ret;
00618
00619 codec->width = ost->output_video_filter->inputs[0]->w;
00620 codec->height = ost->output_video_filter->inputs[0]->h;
00621 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
00622 ost->frame_aspect_ratio ?
00623 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
00624 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
00625
00626 return 0;
00627 }
00628 #endif
00629
00630 static void term_exit(void)
00631 {
00632 av_log(NULL, AV_LOG_QUIET, "");
00633 }
00634
00635 static volatile int received_sigterm = 0;
00636 static volatile int received_nb_signals = 0;
00637
00638 static void
00639 sigterm_handler(int sig)
00640 {
00641 received_sigterm = sig;
00642 received_nb_signals++;
00643 term_exit();
00644 }
00645
00646 static void term_init(void)
00647 {
00648 signal(SIGINT , sigterm_handler);
00649 signal(SIGTERM, sigterm_handler);
00650 #ifdef SIGXCPU
00651 signal(SIGXCPU, sigterm_handler);
00652 #endif
00653 }
00654
00655 static int decode_interrupt_cb(void *ctx)
00656 {
00657 return received_nb_signals > 1;
00658 }
00659
00660 static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
00661
00662 void exit_program(int ret)
00663 {
00664 int i;
00665
00666
00667 for (i = 0; i < nb_output_files; i++) {
00668 AVFormatContext *s = output_files[i].ctx;
00669 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
00670 avio_close(s->pb);
00671 avformat_free_context(s);
00672 av_dict_free(&output_files[i].opts);
00673 }
00674 for (i = 0; i < nb_output_streams; i++) {
00675 AVBitStreamFilterContext *bsfc = output_streams[i].bitstream_filters;
00676 while (bsfc) {
00677 AVBitStreamFilterContext *next = bsfc->next;
00678 av_bitstream_filter_close(bsfc);
00679 bsfc = next;
00680 }
00681 output_streams[i].bitstream_filters = NULL;
00682
00683 if (output_streams[i].output_frame) {
00684 AVFrame *frame = output_streams[i].output_frame;
00685 if (frame->extended_data != frame->data)
00686 av_freep(&frame->extended_data);
00687 av_freep(&frame);
00688 }
00689
00690 #if CONFIG_AVFILTER
00691 av_freep(&output_streams[i].avfilter);
00692 #endif
00693 }
00694 for (i = 0; i < nb_input_files; i++) {
00695 avformat_close_input(&input_files[i].ctx);
00696 }
00697 for (i = 0; i < nb_input_streams; i++) {
00698 av_freep(&input_streams[i].decoded_frame);
00699 av_freep(&input_streams[i].filtered_frame);
00700 av_dict_free(&input_streams[i].opts);
00701 free_buffer_pool(&input_streams[i]);
00702 }
00703
00704 if (vstats_file)
00705 fclose(vstats_file);
00706 av_free(vstats_filename);
00707
00708 av_freep(&input_streams);
00709 av_freep(&input_files);
00710 av_freep(&output_streams);
00711 av_freep(&output_files);
00712
00713 uninit_opts();
00714 av_free(audio_buf);
00715 allocated_audio_buf_size = 0;
00716
00717 #if CONFIG_AVFILTER
00718 avfilter_uninit();
00719 #endif
00720 avformat_network_deinit();
00721
00722 if (received_sigterm) {
00723 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
00724 (int) received_sigterm);
00725 exit (255);
00726 }
00727
00728 exit(ret);
00729 }
00730
00731 static void assert_avoptions(AVDictionary *m)
00732 {
00733 AVDictionaryEntry *t;
00734 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
00735 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
00736 exit_program(1);
00737 }
00738 }
00739
00740 static void assert_codec_experimental(AVCodecContext *c, int encoder)
00741 {
00742 const char *codec_string = encoder ? "encoder" : "decoder";
00743 AVCodec *codec;
00744 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
00745 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
00746 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
00747 "results.\nAdd '-strict experimental' if you want to use it.\n",
00748 codec_string, c->codec->name);
00749 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
00750 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
00751 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
00752 codec_string, codec->name);
00753 exit_program(1);
00754 }
00755 }
00756
00757 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
00758 {
00759 if (codec && codec->sample_fmts) {
00760 const enum AVSampleFormat *p = codec->sample_fmts;
00761 for (; *p != -1; p++) {
00762 if (*p == st->codec->sample_fmt)
00763 break;
00764 }
00765 if (*p == -1) {
00766 av_log(NULL, AV_LOG_WARNING,
00767 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
00768 av_get_sample_fmt_name(st->codec->sample_fmt),
00769 codec->name,
00770 av_get_sample_fmt_name(codec->sample_fmts[0]));
00771 st->codec->sample_fmt = codec->sample_fmts[0];
00772 }
00773 }
00774 }
00775
00783 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
00784 AVCodecContext *enc)
00785 {
00786
00787
00788 if (enc->sample_fmt == dec->sample_fmt ||
00789 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
00790 return;
00791
00792
00793 if (dec_codec && dec_codec->sample_fmts &&
00794 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
00795 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
00796 const enum AVSampleFormat *p;
00797 int min_dec = -1, min_inc = -1;
00798
00799
00800 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
00801 if (*p == enc->sample_fmt) {
00802 dec->request_sample_fmt = *p;
00803 return;
00804 } else if (*p > enc->sample_fmt) {
00805 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
00806 } else
00807 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
00808 }
00809
00810
00811 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
00812 enc->sample_fmt - min_dec;
00813 }
00814 }
00815
00816 static void choose_sample_rate(AVStream *st, AVCodec *codec)
00817 {
00818 if (codec && codec->supported_samplerates) {
00819 const int *p = codec->supported_samplerates;
00820 int best = 0;
00821 int best_dist = INT_MAX;
00822 for (; *p; p++) {
00823 int dist = abs(st->codec->sample_rate - *p);
00824 if (dist < best_dist) {
00825 best_dist = dist;
00826 best = *p;
00827 }
00828 }
00829 if (best_dist) {
00830 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
00831 }
00832 st->codec->sample_rate = best;
00833 }
00834 }
00835
00836 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
00837 {
00838 if (codec && codec->pix_fmts) {
00839 const enum PixelFormat *p = codec->pix_fmts;
00840 if (st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
00841 if (st->codec->codec_id == CODEC_ID_MJPEG) {
00842 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
00843 } else if (st->codec->codec_id == CODEC_ID_LJPEG) {
00844 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
00845 PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
00846 }
00847 }
00848 for (; *p != PIX_FMT_NONE; p++) {
00849 if (*p == st->codec->pix_fmt)
00850 break;
00851 }
00852 if (*p == PIX_FMT_NONE) {
00853 if (st->codec->pix_fmt != PIX_FMT_NONE)
00854 av_log(NULL, AV_LOG_WARNING,
00855 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
00856 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
00857 codec->name,
00858 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
00859 st->codec->pix_fmt = codec->pix_fmts[0];
00860 }
00861 }
00862 }
00863
00864 static double
00865 get_sync_ipts(const OutputStream *ost)
00866 {
00867 const InputStream *ist = ost->sync_ist;
00868 OutputFile *of = &output_files[ost->file_index];
00869 return (double)(ist->pts - of->start_time) / AV_TIME_BASE;
00870 }
00871
00872 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
00873 {
00874 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
00875 AVCodecContext *avctx = ost->st->codec;
00876 int ret;
00877
00878
00879
00880
00881
00882
00883
00884
00885 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
00886 if (ost->frame_number >= ost->max_frames)
00887 return;
00888 ost->frame_number++;
00889 }
00890
00891 while (bsfc) {
00892 AVPacket new_pkt = *pkt;
00893 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
00894 &new_pkt.data, &new_pkt.size,
00895 pkt->data, pkt->size,
00896 pkt->flags & AV_PKT_FLAG_KEY);
00897 if (a > 0) {
00898 av_free_packet(pkt);
00899 new_pkt.destruct = av_destruct_packet;
00900 } else if (a < 0) {
00901 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
00902 bsfc->filter->name, pkt->stream_index,
00903 avctx->codec ? avctx->codec->name : "copy");
00904 print_error("", a);
00905 if (exit_on_error)
00906 exit_program(1);
00907 }
00908 *pkt = new_pkt;
00909
00910 bsfc = bsfc->next;
00911 }
00912
00913 ret = av_interleaved_write_frame(s, pkt);
00914 if (ret < 0) {
00915 print_error("av_interleaved_write_frame()", ret);
00916 exit_program(1);
00917 }
00918 }
00919
00920 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
00921 {
00922 int fill_char = 0x00;
00923 if (sample_fmt == AV_SAMPLE_FMT_U8)
00924 fill_char = 0x80;
00925 memset(buf, fill_char, size);
00926 }
00927
00928 static int encode_audio_frame(AVFormatContext *s, OutputStream *ost,
00929 const uint8_t *buf, int buf_size)
00930 {
00931 AVCodecContext *enc = ost->st->codec;
00932 AVFrame *frame = NULL;
00933 AVPacket pkt;
00934 int ret, got_packet;
00935
00936 av_init_packet(&pkt);
00937 pkt.data = NULL;
00938 pkt.size = 0;
00939
00940 if (buf) {
00941 if (!ost->output_frame) {
00942 ost->output_frame = avcodec_alloc_frame();
00943 if (!ost->output_frame) {
00944 av_log(NULL, AV_LOG_FATAL, "out-of-memory in encode_audio_frame()\n");
00945 exit_program(1);
00946 }
00947 }
00948 frame = ost->output_frame;
00949 if (frame->extended_data != frame->data)
00950 av_freep(&frame->extended_data);
00951 avcodec_get_frame_defaults(frame);
00952
00953 frame->nb_samples = buf_size /
00954 (enc->channels * av_get_bytes_per_sample(enc->sample_fmt));
00955 if ((ret = avcodec_fill_audio_frame(frame, enc->channels, enc->sample_fmt,
00956 buf, buf_size, 1)) < 0) {
00957 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
00958 exit_program(1);
00959 }
00960 }
00961
00962 got_packet = 0;
00963 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
00964 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
00965 exit_program(1);
00966 }
00967
00968 if (got_packet) {
00969 pkt.stream_index = ost->index;
00970 if (pkt.pts != AV_NOPTS_VALUE)
00971 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
00972 if (pkt.duration > 0)
00973 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
00974
00975 write_frame(s, &pkt, ost);
00976
00977 audio_size += pkt.size;
00978 }
00979
00980 if (frame)
00981 ost->sync_opts += frame->nb_samples;
00982
00983 return pkt.size;
00984 }
00985
00986 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
00987 InputStream *ist, AVFrame *decoded_frame)
00988 {
00989 uint8_t *buftmp;
00990 int64_t audio_buf_size;
00991
00992 int size_out, frame_bytes, resample_changed;
00993 AVCodecContext *enc = ost->st->codec;
00994 AVCodecContext *dec = ist->st->codec;
00995 int osize = av_get_bytes_per_sample(enc->sample_fmt);
00996 int isize = av_get_bytes_per_sample(dec->sample_fmt);
00997 uint8_t *buf = decoded_frame->data[0];
00998 int size = decoded_frame->nb_samples * dec->channels * isize;
00999 int64_t allocated_for_size = size;
01000
01001 need_realloc:
01002 audio_buf_size = (allocated_for_size + isize * dec->channels - 1) / (isize * dec->channels);
01003 audio_buf_size = (audio_buf_size * enc->sample_rate + dec->sample_rate) / dec->sample_rate;
01004 audio_buf_size = audio_buf_size * 2 + 10000;
01005 audio_buf_size = FFMAX(audio_buf_size, enc->frame_size);
01006 audio_buf_size *= osize * enc->channels;
01007
01008 if (audio_buf_size > INT_MAX) {
01009 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
01010 exit_program(1);
01011 }
01012
01013 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
01014 if (!audio_buf) {
01015 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
01016 exit_program(1);
01017 }
01018
01019 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
01020 ost->audio_resample = 1;
01021
01022 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
01023 ost->resample_channels != dec->channels ||
01024 ost->resample_sample_rate != dec->sample_rate;
01025
01026 if ((ost->audio_resample && !ost->resample) || resample_changed) {
01027 if (resample_changed) {
01028 av_log(NULL, AV_LOG_INFO, "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n",
01029 ist->file_index, ist->st->index,
01030 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
01031 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
01032 ost->resample_sample_fmt = dec->sample_fmt;
01033 ost->resample_channels = dec->channels;
01034 ost->resample_sample_rate = dec->sample_rate;
01035 if (ost->resample)
01036 audio_resample_close(ost->resample);
01037 }
01038
01039 if (audio_sync_method <= 1 &&
01040 ost->resample_sample_fmt == enc->sample_fmt &&
01041 ost->resample_channels == enc->channels &&
01042 ost->resample_sample_rate == enc->sample_rate) {
01043 ost->resample = NULL;
01044 ost->audio_resample = 0;
01045 } else if (ost->audio_resample) {
01046 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
01047 av_log(NULL, AV_LOG_WARNING, "Using s16 intermediate sample format for resampling\n");
01048 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
01049 enc->sample_rate, dec->sample_rate,
01050 enc->sample_fmt, dec->sample_fmt,
01051 16, 10, 0, 0.8);
01052 if (!ost->resample) {
01053 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
01054 dec->channels, dec->sample_rate,
01055 enc->channels, enc->sample_rate);
01056 exit_program(1);
01057 }
01058 }
01059 }
01060
01061 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
01062 if (!ost->audio_resample && dec->sample_fmt != enc->sample_fmt &&
01063 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt) != ost->reformat_pair) {
01064 if (ost->reformat_ctx)
01065 av_audio_convert_free(ost->reformat_ctx);
01066 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
01067 dec->sample_fmt, 1, NULL, 0);
01068 if (!ost->reformat_ctx) {
01069 av_log(NULL, AV_LOG_FATAL, "Cannot convert %s sample format to %s sample format\n",
01070 av_get_sample_fmt_name(dec->sample_fmt),
01071 av_get_sample_fmt_name(enc->sample_fmt));
01072 exit_program(1);
01073 }
01074 ost->reformat_pair = MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
01075 }
01076
01077 if (audio_sync_method) {
01078 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts -
01079 av_fifo_size(ost->fifo) / (enc->channels * osize);
01080 int idelta = delta * dec->sample_rate / enc->sample_rate;
01081 int byte_delta = idelta * isize * dec->channels;
01082
01083
01084 if (fabs(delta) > 50) {
01085 if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) {
01086 if (byte_delta < 0) {
01087 byte_delta = FFMAX(byte_delta, -size);
01088 size += byte_delta;
01089 buf -= byte_delta;
01090 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
01091 -byte_delta / (isize * dec->channels));
01092 if (!size)
01093 return;
01094 ist->is_start = 0;
01095 } else {
01096 static uint8_t *input_tmp = NULL;
01097 input_tmp = av_realloc(input_tmp, byte_delta + size);
01098
01099 if (byte_delta > allocated_for_size - size) {
01100 allocated_for_size = byte_delta + (int64_t)size;
01101 goto need_realloc;
01102 }
01103 ist->is_start = 0;
01104
01105 generate_silence(input_tmp, dec->sample_fmt, byte_delta);
01106 memcpy(input_tmp + byte_delta, buf, size);
01107 buf = input_tmp;
01108 size += byte_delta;
01109 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
01110 }
01111 } else if (audio_sync_method > 1) {
01112 int comp = av_clip(delta, -audio_sync_method, audio_sync_method);
01113 av_assert0(ost->audio_resample);
01114 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
01115 delta, comp, enc->sample_rate);
01116
01117 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
01118 }
01119 }
01120 } else
01121 ost->sync_opts = lrintf(get_sync_ipts(ost) * enc->sample_rate) -
01122 av_fifo_size(ost->fifo) / (enc->channels * osize);
01123
01124 if (ost->audio_resample) {
01125 buftmp = audio_buf;
01126 size_out = audio_resample(ost->resample,
01127 (short *)buftmp, (short *)buf,
01128 size / (dec->channels * isize));
01129 size_out = size_out * enc->channels * osize;
01130 } else {
01131 buftmp = buf;
01132 size_out = size;
01133 }
01134
01135 if (!ost->audio_resample && dec->sample_fmt != enc->sample_fmt) {
01136 const void *ibuf[6] = { buftmp };
01137 void *obuf[6] = { audio_buf };
01138 int istride[6] = { isize };
01139 int ostride[6] = { osize };
01140 int len = size_out / istride[0];
01141 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len) < 0) {
01142 printf("av_audio_convert() failed\n");
01143 if (exit_on_error)
01144 exit_program(1);
01145 return;
01146 }
01147 buftmp = audio_buf;
01148 size_out = len * osize;
01149 }
01150
01151
01152 if (!(enc->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
01153
01154 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
01155 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
01156 exit_program(1);
01157 }
01158 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
01159
01160 frame_bytes = enc->frame_size * osize * enc->channels;
01161
01162 while (av_fifo_size(ost->fifo) >= frame_bytes) {
01163 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
01164 encode_audio_frame(s, ost, audio_buf, frame_bytes);
01165 }
01166 } else {
01167 encode_audio_frame(s, ost, buftmp, size_out);
01168 }
01169 }
01170
01171 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
01172 {
01173 AVCodecContext *dec;
01174 AVPicture *picture2;
01175 AVPicture picture_tmp;
01176 uint8_t *buf = 0;
01177
01178 dec = ist->st->codec;
01179
01180
01181 if (do_deinterlace) {
01182 int size;
01183
01184
01185 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
01186 buf = av_malloc(size);
01187 if (!buf)
01188 return;
01189
01190 picture2 = &picture_tmp;
01191 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
01192
01193 if (avpicture_deinterlace(picture2, picture,
01194 dec->pix_fmt, dec->width, dec->height) < 0) {
01195
01196 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
01197 av_free(buf);
01198 buf = NULL;
01199 picture2 = picture;
01200 }
01201 } else {
01202 picture2 = picture;
01203 }
01204
01205 if (picture != picture2)
01206 *picture = *picture2;
01207 *bufp = buf;
01208 }
01209
01210 static void do_subtitle_out(AVFormatContext *s,
01211 OutputStream *ost,
01212 InputStream *ist,
01213 AVSubtitle *sub,
01214 int64_t pts)
01215 {
01216 static uint8_t *subtitle_out = NULL;
01217 int subtitle_out_max_size = 1024 * 1024;
01218 int subtitle_out_size, nb, i;
01219 AVCodecContext *enc;
01220 AVPacket pkt;
01221
01222 if (pts == AV_NOPTS_VALUE) {
01223 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
01224 if (exit_on_error)
01225 exit_program(1);
01226 return;
01227 }
01228
01229 enc = ost->st->codec;
01230
01231 if (!subtitle_out) {
01232 subtitle_out = av_malloc(subtitle_out_max_size);
01233 }
01234
01235
01236
01237
01238 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
01239 nb = 2;
01240 else
01241 nb = 1;
01242
01243 for (i = 0; i < nb; i++) {
01244 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
01245
01246 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
01247 sub->end_display_time -= sub->start_display_time;
01248 sub->start_display_time = 0;
01249 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
01250 subtitle_out_max_size, sub);
01251 if (subtitle_out_size < 0) {
01252 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
01253 exit_program(1);
01254 }
01255
01256 av_init_packet(&pkt);
01257 pkt.stream_index = ost->index;
01258 pkt.data = subtitle_out;
01259 pkt.size = subtitle_out_size;
01260 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
01261 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
01262
01263
01264 if (i == 0)
01265 pkt.pts += 90 * sub->start_display_time;
01266 else
01267 pkt.pts += 90 * sub->end_display_time;
01268 }
01269 write_frame(s, &pkt, ost);
01270 }
01271 }
01272
01273 static int bit_buffer_size = 1024 * 256;
01274 static uint8_t *bit_buffer = NULL;
01275
01276 #if !CONFIG_AVFILTER
01277 static void do_video_resample(OutputStream *ost,
01278 InputStream *ist,
01279 AVFrame *in_picture,
01280 AVFrame **out_picture)
01281 {
01282 int resample_changed = 0;
01283 *out_picture = in_picture;
01284
01285 resample_changed = ost->resample_width != in_picture->width ||
01286 ost->resample_height != in_picture->height ||
01287 ost->resample_pix_fmt != in_picture->format;
01288
01289 if (resample_changed) {
01290 av_log(NULL, AV_LOG_INFO,
01291 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
01292 ist->file_index, ist->st->index,
01293 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
01294 in_picture->width, in_picture->height, av_get_pix_fmt_name(in_picture->format));
01295 if (!ost->video_resample)
01296 ost->video_resample = 1;
01297 }
01298
01299 if (ost->video_resample) {
01300 *out_picture = &ost->pict_tmp;
01301 if (resample_changed) {
01302
01303 sws_freeContext(ost->img_resample_ctx);
01304 ost->img_resample_ctx = sws_getContext(
01305 ist->st->codec->width,
01306 ist->st->codec->height,
01307 ist->st->codec->pix_fmt,
01308 ost->st->codec->width,
01309 ost->st->codec->height,
01310 ost->st->codec->pix_fmt,
01311 ost->sws_flags, NULL, NULL, NULL);
01312 if (ost->img_resample_ctx == NULL) {
01313 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
01314 exit_program(1);
01315 }
01316 }
01317 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
01318 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
01319 }
01320 if (resample_changed) {
01321 ost->resample_width = in_picture->width;
01322 ost->resample_height = in_picture->height;
01323 ost->resample_pix_fmt = in_picture->format;
01324 }
01325 }
01326 #endif
01327
01328
01329 static void do_video_out(AVFormatContext *s,
01330 OutputStream *ost,
01331 InputStream *ist,
01332 AVFrame *in_picture,
01333 int *frame_size, float quality)
01334 {
01335 int nb_frames, i, ret, format_video_sync;
01336 AVFrame *final_picture;
01337 AVCodecContext *enc;
01338 double sync_ipts;
01339
01340 enc = ost->st->codec;
01341
01342 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
01343
01344
01345 nb_frames = 1;
01346
01347 *frame_size = 0;
01348
01349 format_video_sync = video_sync_method;
01350 if (format_video_sync == VSYNC_AUTO)
01351 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
01352 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
01353
01354 if (format_video_sync != VSYNC_PASSTHROUGH) {
01355 double vdelta = sync_ipts - ost->sync_opts;
01356
01357 if (vdelta < -1.1)
01358 nb_frames = 0;
01359 else if (format_video_sync == VSYNC_VFR) {
01360 if (vdelta <= -0.6) {
01361 nb_frames = 0;
01362 } else if (vdelta > 0.6)
01363 ost->sync_opts = lrintf(sync_ipts);
01364 } else if (vdelta > 1.1)
01365 nb_frames = lrintf(vdelta);
01366
01367 if (nb_frames == 0) {
01368 ++nb_frames_drop;
01369 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
01370 } else if (nb_frames > 1) {
01371 nb_frames_dup += nb_frames - 1;
01372 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
01373 }
01374 } else
01375 ost->sync_opts = lrintf(sync_ipts);
01376
01377 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
01378 if (nb_frames <= 0)
01379 return;
01380
01381 #if !CONFIG_AVFILTER
01382 do_video_resample(ost, ist, in_picture, &final_picture);
01383 #else
01384 final_picture = in_picture;
01385 #endif
01386
01387
01388 for (i = 0; i < nb_frames; i++) {
01389 AVPacket pkt;
01390 av_init_packet(&pkt);
01391 pkt.stream_index = ost->index;
01392
01393 if (s->oformat->flags & AVFMT_RAWPICTURE &&
01394 enc->codec->id == CODEC_ID_RAWVIDEO) {
01395
01396
01397
01398 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
01399 enc->coded_frame->top_field_first = in_picture->top_field_first;
01400 pkt.data = (uint8_t *)final_picture;
01401 pkt.size = sizeof(AVPicture);
01402 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
01403 pkt.flags |= AV_PKT_FLAG_KEY;
01404
01405 write_frame(s, &pkt, ost);
01406 } else {
01407 AVFrame big_picture;
01408
01409 big_picture = *final_picture;
01410
01411
01412 big_picture.interlaced_frame = in_picture->interlaced_frame;
01413 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
01414 if (ost->top_field_first == -1)
01415 big_picture.top_field_first = in_picture->top_field_first;
01416 else
01417 big_picture.top_field_first = !!ost->top_field_first;
01418 }
01419
01420
01421
01422 big_picture.quality = quality;
01423 if (!enc->me_threshold)
01424 big_picture.pict_type = 0;
01425
01426 big_picture.pts = ost->sync_opts;
01427
01428
01429 if (ost->forced_kf_index < ost->forced_kf_count &&
01430 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
01431 big_picture.pict_type = AV_PICTURE_TYPE_I;
01432 ost->forced_kf_index++;
01433 }
01434 ret = avcodec_encode_video(enc,
01435 bit_buffer, bit_buffer_size,
01436 &big_picture);
01437 if (ret < 0) {
01438 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
01439 exit_program(1);
01440 }
01441
01442 if (ret > 0) {
01443 pkt.data = bit_buffer;
01444 pkt.size = ret;
01445 if (enc->coded_frame->pts != AV_NOPTS_VALUE)
01446 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
01447
01448
01449
01450
01451 if (enc->coded_frame->key_frame)
01452 pkt.flags |= AV_PKT_FLAG_KEY;
01453 write_frame(s, &pkt, ost);
01454 *frame_size = ret;
01455 video_size += ret;
01456
01457
01458
01459 if (ost->logfile && enc->stats_out) {
01460 fprintf(ost->logfile, "%s", enc->stats_out);
01461 }
01462 }
01463 }
01464 ost->sync_opts++;
01465
01466
01467
01468
01469
01470 ost->frame_number++;
01471 }
01472 }
01473
01474 static double psnr(double d)
01475 {
01476 return -10.0 * log(d) / log(10.0);
01477 }
01478
01479 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
01480 int frame_size)
01481 {
01482 AVCodecContext *enc;
01483 int frame_number;
01484 double ti1, bitrate, avg_bitrate;
01485
01486
01487 if (!vstats_file) {
01488 vstats_file = fopen(vstats_filename, "w");
01489 if (!vstats_file) {
01490 perror("fopen");
01491 exit_program(1);
01492 }
01493 }
01494
01495 enc = ost->st->codec;
01496 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
01497 frame_number = ost->frame_number;
01498 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
01499 if (enc->flags&CODEC_FLAG_PSNR)
01500 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
01501
01502 fprintf(vstats_file,"f_size= %6d ", frame_size);
01503
01504 ti1 = ost->sync_opts * av_q2d(enc->time_base);
01505 if (ti1 < 0.01)
01506 ti1 = 0.01;
01507
01508 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
01509 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
01510 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
01511 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
01512 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
01513 }
01514 }
01515
01516 static void print_report(OutputFile *output_files,
01517 OutputStream *ost_table, int nb_ostreams,
01518 int is_last_report, int64_t timer_start)
01519 {
01520 char buf[1024];
01521 OutputStream *ost;
01522 AVFormatContext *oc;
01523 int64_t total_size;
01524 AVCodecContext *enc;
01525 int frame_number, vid, i;
01526 double bitrate, ti1, pts;
01527 static int64_t last_time = -1;
01528 static int qp_histogram[52];
01529
01530 if (!print_stats && !is_last_report)
01531 return;
01532
01533 if (!is_last_report) {
01534 int64_t cur_time;
01535
01536 cur_time = av_gettime();
01537 if (last_time == -1) {
01538 last_time = cur_time;
01539 return;
01540 }
01541 if ((cur_time - last_time) < 500000)
01542 return;
01543 last_time = cur_time;
01544 }
01545
01546
01547 oc = output_files[0].ctx;
01548
01549 total_size = avio_size(oc->pb);
01550 if (total_size < 0)
01551 total_size = avio_tell(oc->pb);
01552
01553 buf[0] = '\0';
01554 ti1 = 1e10;
01555 vid = 0;
01556 for (i = 0; i < nb_ostreams; i++) {
01557 float q = -1;
01558 ost = &ost_table[i];
01559 enc = ost->st->codec;
01560 if (!ost->stream_copy && enc->coded_frame)
01561 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
01562 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
01563 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
01564 }
01565 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
01566 float t = (av_gettime() - timer_start) / 1000000.0;
01567
01568 frame_number = ost->frame_number;
01569 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
01570 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
01571 if (is_last_report)
01572 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
01573 if (qp_hist) {
01574 int j;
01575 int qp = lrintf(q);
01576 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
01577 qp_histogram[qp]++;
01578 for (j = 0; j < 32; j++)
01579 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
01580 }
01581 if (enc->flags&CODEC_FLAG_PSNR) {
01582 int j;
01583 double error, error_sum = 0;
01584 double scale, scale_sum = 0;
01585 char type[3] = { 'Y','U','V' };
01586 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
01587 for (j = 0; j < 3; j++) {
01588 if (is_last_report) {
01589 error = enc->error[j];
01590 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
01591 } else {
01592 error = enc->coded_frame->error[j];
01593 scale = enc->width * enc->height * 255.0 * 255.0;
01594 }
01595 if (j)
01596 scale /= 4;
01597 error_sum += error;
01598 scale_sum += scale;
01599 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
01600 }
01601 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
01602 }
01603 vid = 1;
01604 }
01605
01606 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
01607 if ((pts < ti1) && (pts > 0))
01608 ti1 = pts;
01609 }
01610 if (ti1 < 0.01)
01611 ti1 = 0.01;
01612
01613 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
01614
01615 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
01616 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
01617 (double)total_size / 1024, ti1, bitrate);
01618
01619 if (nb_frames_dup || nb_frames_drop)
01620 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
01621 nb_frames_dup, nb_frames_drop);
01622
01623 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
01624
01625 fflush(stderr);
01626
01627 if (is_last_report) {
01628 int64_t raw= audio_size + video_size + extra_size;
01629 av_log(NULL, AV_LOG_INFO, "\n");
01630 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
01631 video_size / 1024.0,
01632 audio_size / 1024.0,
01633 extra_size / 1024.0,
01634 100.0 * (total_size - raw) / raw
01635 );
01636 }
01637 }
01638
01639 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
01640 {
01641 int i, ret;
01642
01643 for (i = 0; i < nb_ostreams; i++) {
01644 OutputStream *ost = &ost_table[i];
01645 AVCodecContext *enc = ost->st->codec;
01646 AVFormatContext *os = output_files[ost->file_index].ctx;
01647 int stop_encoding = 0;
01648
01649 if (!ost->encoding_needed)
01650 continue;
01651
01652 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
01653 continue;
01654 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
01655 continue;
01656
01657 for (;;) {
01658 AVPacket pkt;
01659 int fifo_bytes;
01660 av_init_packet(&pkt);
01661 pkt.data = NULL;
01662 pkt.size = 0;
01663
01664 switch (ost->st->codec->codec_type) {
01665 case AVMEDIA_TYPE_AUDIO:
01666 fifo_bytes = av_fifo_size(ost->fifo);
01667 if (fifo_bytes > 0) {
01668
01669 int frame_bytes = fifo_bytes;
01670
01671 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
01672
01673
01674 if (!(enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME)) {
01675 frame_bytes = enc->frame_size * enc->channels *
01676 av_get_bytes_per_sample(enc->sample_fmt);
01677 if (allocated_audio_buf_size < frame_bytes)
01678 exit_program(1);
01679 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
01680 }
01681 encode_audio_frame(os, ost, audio_buf, frame_bytes);
01682 } else {
01683
01684
01685 if (encode_audio_frame(os, ost, NULL, 0) == 0) {
01686 stop_encoding = 1;
01687 break;
01688 }
01689 }
01690 break;
01691 case AVMEDIA_TYPE_VIDEO:
01692 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
01693 if (ret < 0) {
01694 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
01695 exit_program(1);
01696 }
01697 video_size += ret;
01698 if (enc->coded_frame && enc->coded_frame->key_frame)
01699 pkt.flags |= AV_PKT_FLAG_KEY;
01700 if (ost->logfile && enc->stats_out) {
01701 fprintf(ost->logfile, "%s", enc->stats_out);
01702 }
01703 if (ret <= 0) {
01704 stop_encoding = 1;
01705 break;
01706 }
01707 pkt.stream_index = ost->index;
01708 pkt.data = bit_buffer;
01709 pkt.size = ret;
01710 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
01711 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
01712 write_frame(os, &pkt, ost);
01713 break;
01714 default:
01715 stop_encoding = 1;
01716 }
01717 if (stop_encoding)
01718 break;
01719 }
01720 }
01721 }
01722
01723
01724
01725
01726 static int check_output_constraints(InputStream *ist, OutputStream *ost)
01727 {
01728 OutputFile *of = &output_files[ost->file_index];
01729 int ist_index = ist - input_streams;
01730
01731 if (ost->source_index != ist_index)
01732 return 0;
01733
01734 if (of->start_time && ist->pts < of->start_time)
01735 return 0;
01736
01737 if (of->recording_time != INT64_MAX &&
01738 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
01739 (AVRational){ 1, 1000000 }) >= 0) {
01740 ost->is_past_recording_time = 1;
01741 return 0;
01742 }
01743
01744 return 1;
01745 }
01746
01747 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
01748 {
01749 OutputFile *of = &output_files[ost->file_index];
01750 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
01751 AVPacket opkt;
01752
01753 av_init_packet(&opkt);
01754
01755 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
01756 !ost->copy_initial_nonkeyframes)
01757 return;
01758
01759
01760 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
01761 audio_size += pkt->size;
01762 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
01763 video_size += pkt->size;
01764 ost->sync_opts++;
01765 }
01766
01767 opkt.stream_index = ost->index;
01768 if (pkt->pts != AV_NOPTS_VALUE)
01769 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
01770 else
01771 opkt.pts = AV_NOPTS_VALUE;
01772
01773 if (pkt->dts == AV_NOPTS_VALUE)
01774 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
01775 else
01776 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
01777 opkt.dts -= ost_tb_start_time;
01778
01779 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
01780 opkt.flags = pkt->flags;
01781
01782
01783 if ( ost->st->codec->codec_id != CODEC_ID_H264
01784 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
01785 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
01786 ) {
01787 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
01788 opkt.destruct = av_destruct_packet;
01789 } else {
01790 opkt.data = pkt->data;
01791 opkt.size = pkt->size;
01792 }
01793
01794 write_frame(of->ctx, &opkt, ost);
01795 ost->st->codec->frame_number++;
01796 av_free_packet(&opkt);
01797 }
01798
01799 static void rate_emu_sleep(InputStream *ist)
01800 {
01801 if (input_files[ist->file_index].rate_emu) {
01802 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
01803 int64_t now = av_gettime() - ist->start;
01804 if (pts > now)
01805 usleep(pts - now);
01806 }
01807 }
01808
01809 static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
01810 {
01811 AVFrame *decoded_frame;
01812 AVCodecContext *avctx = ist->st->codec;
01813 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
01814 int i, ret;
01815
01816 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
01817 return AVERROR(ENOMEM);
01818 else
01819 avcodec_get_frame_defaults(ist->decoded_frame);
01820 decoded_frame = ist->decoded_frame;
01821
01822 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
01823 if (ret < 0) {
01824 return ret;
01825 }
01826
01827 if (!*got_output) {
01828
01829 return ret;
01830 }
01831
01832
01833
01834 if (decoded_frame->pts != AV_NOPTS_VALUE)
01835 ist->next_pts = decoded_frame->pts;
01836
01837
01838
01839 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
01840 avctx->sample_rate;
01841
01842
01843 if (audio_volume != 256) {
01844 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
01845 void *samples = decoded_frame->data[0];
01846 switch (avctx->sample_fmt) {
01847 case AV_SAMPLE_FMT_U8:
01848 {
01849 uint8_t *volp = samples;
01850 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
01851 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
01852 *volp++ = av_clip_uint8(v);
01853 }
01854 break;
01855 }
01856 case AV_SAMPLE_FMT_S16:
01857 {
01858 int16_t *volp = samples;
01859 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
01860 int v = ((*volp) * audio_volume + 128) >> 8;
01861 *volp++ = av_clip_int16(v);
01862 }
01863 break;
01864 }
01865 case AV_SAMPLE_FMT_S32:
01866 {
01867 int32_t *volp = samples;
01868 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
01869 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
01870 *volp++ = av_clipl_int32(v);
01871 }
01872 break;
01873 }
01874 case AV_SAMPLE_FMT_FLT:
01875 {
01876 float *volp = samples;
01877 float scale = audio_volume / 256.f;
01878 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
01879 *volp++ *= scale;
01880 }
01881 break;
01882 }
01883 case AV_SAMPLE_FMT_DBL:
01884 {
01885 double *volp = samples;
01886 double scale = audio_volume / 256.;
01887 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
01888 *volp++ *= scale;
01889 }
01890 break;
01891 }
01892 default:
01893 av_log(NULL, AV_LOG_FATAL,
01894 "Audio volume adjustment on sample format %s is not supported.\n",
01895 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
01896 exit_program(1);
01897 }
01898 }
01899
01900 rate_emu_sleep(ist);
01901
01902 for (i = 0; i < nb_output_streams; i++) {
01903 OutputStream *ost = &output_streams[i];
01904
01905 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
01906 continue;
01907 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
01908 }
01909
01910 return ret;
01911 }
01912
01913 static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
01914 {
01915 AVFrame *decoded_frame, *filtered_frame = NULL;
01916 void *buffer_to_free = NULL;
01917 int i, ret = 0;
01918 float quality;
01919 #if CONFIG_AVFILTER
01920 int frame_available = 1;
01921 #endif
01922
01923 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
01924 return AVERROR(ENOMEM);
01925 else
01926 avcodec_get_frame_defaults(ist->decoded_frame);
01927 decoded_frame = ist->decoded_frame;
01928 pkt->pts = *pkt_pts;
01929 pkt->dts = ist->pts;
01930 *pkt_pts = AV_NOPTS_VALUE;
01931
01932 ret = avcodec_decode_video2(ist->st->codec,
01933 decoded_frame, got_output, pkt);
01934 if (ret < 0)
01935 return ret;
01936
01937 quality = same_quant ? decoded_frame->quality : 0;
01938 if (!*got_output) {
01939
01940 return ret;
01941 }
01942 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
01943 decoded_frame->pkt_dts);
01944 if (pkt->duration)
01945 ist->next_pts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
01946 else if (ist->st->codec->time_base.num != 0) {
01947 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
01948 ist->st->codec->ticks_per_frame;
01949 ist->next_pts += ((int64_t)AV_TIME_BASE *
01950 ist->st->codec->time_base.num * ticks) /
01951 ist->st->codec->time_base.den;
01952 }
01953 pkt->size = 0;
01954 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
01955
01956 rate_emu_sleep(ist);
01957
01958 for (i = 0; i < nb_output_streams; i++) {
01959 OutputStream *ost = &output_streams[i];
01960 int frame_size, resample_changed;
01961
01962 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
01963 continue;
01964
01965 #if CONFIG_AVFILTER
01966 resample_changed = ost->resample_width != decoded_frame->width ||
01967 ost->resample_height != decoded_frame->height ||
01968 ost->resample_pix_fmt != decoded_frame->format;
01969 if (resample_changed) {
01970 av_log(NULL, AV_LOG_INFO,
01971 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
01972 ist->file_index, ist->st->index,
01973 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
01974 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
01975
01976 avfilter_graph_free(&ost->graph);
01977 if (configure_video_filters(ist, ost)) {
01978 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
01979 exit_program(1);
01980 }
01981
01982 ost->resample_width = decoded_frame->width;
01983 ost->resample_height = decoded_frame->height;
01984 ost->resample_pix_fmt = decoded_frame->format;
01985 }
01986
01987 if (ist->st->sample_aspect_ratio.num)
01988 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
01989 if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) {
01990 FrameBuffer *buf = decoded_frame->opaque;
01991 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
01992 decoded_frame->data, decoded_frame->linesize,
01993 AV_PERM_READ | AV_PERM_PRESERVE,
01994 ist->st->codec->width, ist->st->codec->height,
01995 ist->st->codec->pix_fmt);
01996
01997 avfilter_copy_frame_props(fb, decoded_frame);
01998 fb->pts = ist->pts;
01999 fb->buf->priv = buf;
02000 fb->buf->free = filter_release_buffer;
02001
02002 buf->refcount++;
02003 av_buffersrc_buffer(ost->input_video_filter, fb);
02004 } else
02005 av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame,
02006 ist->pts, decoded_frame->sample_aspect_ratio);
02007
02008 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
02009 av_free(buffer_to_free);
02010 return AVERROR(ENOMEM);
02011 } else
02012 avcodec_get_frame_defaults(ist->filtered_frame);
02013 filtered_frame = ist->filtered_frame;
02014
02015 frame_available = avfilter_poll_frame(ost->output_video_filter->inputs[0]);
02016 while (frame_available) {
02017 AVRational ist_pts_tb;
02018 if (ost->output_video_filter)
02019 get_filtered_video_frame(ost->output_video_filter, filtered_frame, &ost->picref, &ist_pts_tb);
02020 if (ost->picref)
02021 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
02022 if (ost->picref->video && !ost->frame_aspect_ratio)
02023 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
02024 #else
02025 filtered_frame = decoded_frame;
02026 #endif
02027
02028 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame, &frame_size,
02029 same_quant ? quality : ost->st->codec->global_quality);
02030 if (vstats_filename && frame_size)
02031 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
02032 #if CONFIG_AVFILTER
02033 frame_available = ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
02034 if (ost->picref)
02035 avfilter_unref_buffer(ost->picref);
02036 }
02037 #endif
02038 }
02039
02040 av_free(buffer_to_free);
02041 return ret;
02042 }
02043
02044 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
02045 {
02046 AVSubtitle subtitle;
02047 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
02048 &subtitle, got_output, pkt);
02049 if (ret < 0)
02050 return ret;
02051 if (!*got_output)
02052 return ret;
02053
02054 rate_emu_sleep(ist);
02055
02056 for (i = 0; i < nb_output_streams; i++) {
02057 OutputStream *ost = &output_streams[i];
02058
02059 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
02060 continue;
02061
02062 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
02063 }
02064
02065 avsubtitle_free(&subtitle);
02066 return ret;
02067 }
02068
02069
02070 static int output_packet(InputStream *ist,
02071 OutputStream *ost_table, int nb_ostreams,
02072 const AVPacket *pkt)
02073 {
02074 int i;
02075 int got_output;
02076 int64_t pkt_pts = AV_NOPTS_VALUE;
02077 AVPacket avpkt;
02078
02079 if (ist->next_pts == AV_NOPTS_VALUE)
02080 ist->next_pts = ist->pts;
02081
02082 if (pkt == NULL) {
02083
02084 av_init_packet(&avpkt);
02085 avpkt.data = NULL;
02086 avpkt.size = 0;
02087 goto handle_eof;
02088 } else {
02089 avpkt = *pkt;
02090 }
02091
02092 if (pkt->dts != AV_NOPTS_VALUE)
02093 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
02094 if (pkt->pts != AV_NOPTS_VALUE)
02095 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
02096
02097
02098 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
02099 int ret = 0;
02100 handle_eof:
02101
02102 ist->pts = ist->next_pts;
02103
02104 if (avpkt.size && avpkt.size != pkt->size) {
02105 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
02106 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
02107 ist->showed_multi_packet_warning = 1;
02108 }
02109
02110 switch (ist->st->codec->codec_type) {
02111 case AVMEDIA_TYPE_AUDIO:
02112 ret = transcode_audio (ist, &avpkt, &got_output);
02113 break;
02114 case AVMEDIA_TYPE_VIDEO:
02115 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
02116 break;
02117 case AVMEDIA_TYPE_SUBTITLE:
02118 ret = transcode_subtitles(ist, &avpkt, &got_output);
02119 break;
02120 default:
02121 return -1;
02122 }
02123
02124 if (ret < 0)
02125 return ret;
02126
02127 if (pkt) {
02128 avpkt.data += ret;
02129 avpkt.size -= ret;
02130 }
02131 if (!got_output) {
02132 continue;
02133 }
02134 }
02135
02136
02137 if (!ist->decoding_needed) {
02138 rate_emu_sleep(ist);
02139 ist->pts = ist->next_pts;
02140 switch (ist->st->codec->codec_type) {
02141 case AVMEDIA_TYPE_AUDIO:
02142 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
02143 ist->st->codec->sample_rate;
02144 break;
02145 case AVMEDIA_TYPE_VIDEO:
02146 if (ist->st->codec->time_base.num != 0) {
02147 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
02148 ist->next_pts += ((int64_t)AV_TIME_BASE *
02149 ist->st->codec->time_base.num * ticks) /
02150 ist->st->codec->time_base.den;
02151 }
02152 break;
02153 }
02154 }
02155 for (i = 0; pkt && i < nb_ostreams; i++) {
02156 OutputStream *ost = &ost_table[i];
02157
02158 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
02159 continue;
02160
02161 do_streamcopy(ist, ost, pkt);
02162 }
02163
02164 return 0;
02165 }
02166
02167 static void print_sdp(OutputFile *output_files, int n)
02168 {
02169 char sdp[2048];
02170 int i;
02171 AVFormatContext **avc = av_malloc(sizeof(*avc) * n);
02172
02173 if (!avc)
02174 exit_program(1);
02175 for (i = 0; i < n; i++)
02176 avc[i] = output_files[i].ctx;
02177
02178 av_sdp_create(avc, n, sdp, sizeof(sdp));
02179 printf("SDP:\n%s\n", sdp);
02180 fflush(stdout);
02181 av_freep(&avc);
02182 }
02183
02184 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
02185 char *error, int error_len)
02186 {
02187 int i;
02188 InputStream *ist = &input_streams[ist_index];
02189 if (ist->decoding_needed) {
02190 AVCodec *codec = ist->dec;
02191 if (!codec) {
02192 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
02193 ist->st->codec->codec_id, ist->file_index, ist->st->index);
02194 return AVERROR(EINVAL);
02195 }
02196
02197
02198
02199 for (i = 0; i < nb_output_streams; i++) {
02200 OutputStream *ost = &output_streams[i];
02201 if (ost->source_index == ist_index) {
02202 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
02203 break;
02204 }
02205 }
02206
02207 if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
02208 ist->st->codec->get_buffer = codec_get_buffer;
02209 ist->st->codec->release_buffer = codec_release_buffer;
02210 ist->st->codec->opaque = ist;
02211 }
02212
02213 if (!av_dict_get(ist->opts, "threads", NULL, 0))
02214 av_dict_set(&ist->opts, "threads", "auto", 0);
02215 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
02216 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
02217 ist->file_index, ist->st->index);
02218 return AVERROR(EINVAL);
02219 }
02220 assert_codec_experimental(ist->st->codec, 0);
02221 assert_avoptions(ist->opts);
02222 }
02223
02224 ist->pts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
02225 ist->next_pts = AV_NOPTS_VALUE;
02226 init_pts_correction(&ist->pts_ctx);
02227 ist->is_start = 1;
02228
02229 return 0;
02230 }
02231
02232 static int transcode_init(OutputFile *output_files,
02233 int nb_output_files,
02234 InputFile *input_files,
02235 int nb_input_files)
02236 {
02237 int ret = 0, i, j, k;
02238 AVFormatContext *oc;
02239 AVCodecContext *codec, *icodec;
02240 OutputStream *ost;
02241 InputStream *ist;
02242 char error[1024];
02243 int want_sdp = 1;
02244
02245
02246 for (i = 0; i < nb_input_files; i++) {
02247 InputFile *ifile = &input_files[i];
02248 if (ifile->rate_emu)
02249 for (j = 0; j < ifile->nb_streams; j++)
02250 input_streams[j + ifile->ist_index].start = av_gettime();
02251 }
02252
02253
02254 for (i = 0; i < nb_output_files; i++) {
02255 oc = output_files[i].ctx;
02256 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
02257 av_dump_format(oc, i, oc->filename, 1);
02258 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
02259 return AVERROR(EINVAL);
02260 }
02261 }
02262
02263
02264 for (i = 0; i < nb_output_streams; i++) {
02265 ost = &output_streams[i];
02266 oc = output_files[ost->file_index].ctx;
02267 ist = &input_streams[ost->source_index];
02268
02269 if (ost->attachment_filename)
02270 continue;
02271
02272 codec = ost->st->codec;
02273 icodec = ist->st->codec;
02274
02275 ost->st->disposition = ist->st->disposition;
02276 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
02277 codec->chroma_sample_location = icodec->chroma_sample_location;
02278
02279 if (ost->stream_copy) {
02280 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
02281
02282 if (extra_size > INT_MAX) {
02283 return AVERROR(EINVAL);
02284 }
02285
02286
02287 codec->codec_id = icodec->codec_id;
02288 codec->codec_type = icodec->codec_type;
02289
02290 if (!codec->codec_tag) {
02291 if (!oc->oformat->codec_tag ||
02292 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
02293 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
02294 codec->codec_tag = icodec->codec_tag;
02295 }
02296
02297 codec->bit_rate = icodec->bit_rate;
02298 codec->rc_max_rate = icodec->rc_max_rate;
02299 codec->rc_buffer_size = icodec->rc_buffer_size;
02300 codec->field_order = icodec->field_order;
02301 codec->extradata = av_mallocz(extra_size);
02302 if (!codec->extradata) {
02303 return AVERROR(ENOMEM);
02304 }
02305 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
02306 codec->extradata_size = icodec->extradata_size;
02307 if (!copy_tb) {
02308 codec->time_base = icodec->time_base;
02309 codec->time_base.num *= icodec->ticks_per_frame;
02310 av_reduce(&codec->time_base.num, &codec->time_base.den,
02311 codec->time_base.num, codec->time_base.den, INT_MAX);
02312 } else
02313 codec->time_base = ist->st->time_base;
02314
02315 switch (codec->codec_type) {
02316 case AVMEDIA_TYPE_AUDIO:
02317 if (audio_volume != 256) {
02318 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
02319 exit_program(1);
02320 }
02321 codec->channel_layout = icodec->channel_layout;
02322 codec->sample_rate = icodec->sample_rate;
02323 codec->channels = icodec->channels;
02324 codec->frame_size = icodec->frame_size;
02325 codec->audio_service_type = icodec->audio_service_type;
02326 codec->block_align = icodec->block_align;
02327 break;
02328 case AVMEDIA_TYPE_VIDEO:
02329 codec->pix_fmt = icodec->pix_fmt;
02330 codec->width = icodec->width;
02331 codec->height = icodec->height;
02332 codec->has_b_frames = icodec->has_b_frames;
02333 if (!codec->sample_aspect_ratio.num) {
02334 codec->sample_aspect_ratio =
02335 ost->st->sample_aspect_ratio =
02336 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
02337 ist->st->codec->sample_aspect_ratio.num ?
02338 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
02339 }
02340 break;
02341 case AVMEDIA_TYPE_SUBTITLE:
02342 codec->width = icodec->width;
02343 codec->height = icodec->height;
02344 break;
02345 case AVMEDIA_TYPE_DATA:
02346 case AVMEDIA_TYPE_ATTACHMENT:
02347 break;
02348 default:
02349 abort();
02350 }
02351 } else {
02352 if (!ost->enc)
02353 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
02354
02355 ist->decoding_needed = 1;
02356 ost->encoding_needed = 1;
02357
02358 switch (codec->codec_type) {
02359 case AVMEDIA_TYPE_AUDIO:
02360 ost->fifo = av_fifo_alloc(1024);
02361 if (!ost->fifo) {
02362 return AVERROR(ENOMEM);
02363 }
02364 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
02365
02366 if (!codec->sample_rate)
02367 codec->sample_rate = icodec->sample_rate;
02368 choose_sample_rate(ost->st, ost->enc);
02369 codec->time_base = (AVRational){ 1, codec->sample_rate };
02370
02371 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
02372 codec->sample_fmt = icodec->sample_fmt;
02373 choose_sample_fmt(ost->st, ost->enc);
02374
02375 if (!codec->channels)
02376 codec->channels = icodec->channels;
02377 codec->channel_layout = icodec->channel_layout;
02378 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
02379 codec->channel_layout = 0;
02380
02381 ost->audio_resample = codec-> sample_rate != icodec->sample_rate || audio_sync_method > 1;
02382 icodec->request_channels = codec-> channels;
02383 ost->resample_sample_fmt = icodec->sample_fmt;
02384 ost->resample_sample_rate = icodec->sample_rate;
02385 ost->resample_channels = icodec->channels;
02386 break;
02387 case AVMEDIA_TYPE_VIDEO:
02388 if (codec->pix_fmt == PIX_FMT_NONE)
02389 codec->pix_fmt = icodec->pix_fmt;
02390 choose_pixel_fmt(ost->st, ost->enc);
02391
02392 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
02393 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
02394 exit_program(1);
02395 }
02396
02397 if (!codec->width || !codec->height) {
02398 codec->width = icodec->width;
02399 codec->height = icodec->height;
02400 }
02401
02402 ost->video_resample = codec->width != icodec->width ||
02403 codec->height != icodec->height ||
02404 codec->pix_fmt != icodec->pix_fmt;
02405 if (ost->video_resample) {
02406 #if !CONFIG_AVFILTER
02407 avcodec_get_frame_defaults(&ost->pict_tmp);
02408 if (avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
02409 codec->width, codec->height)) {
02410 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
02411 exit_program(1);
02412 }
02413 ost->img_resample_ctx = sws_getContext(
02414 icodec->width,
02415 icodec->height,
02416 icodec->pix_fmt,
02417 codec->width,
02418 codec->height,
02419 codec->pix_fmt,
02420 ost->sws_flags, NULL, NULL, NULL);
02421 if (ost->img_resample_ctx == NULL) {
02422 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
02423 exit_program(1);
02424 }
02425 #endif
02426 codec->bits_per_raw_sample = 0;
02427 }
02428
02429 ost->resample_height = icodec->height;
02430 ost->resample_width = icodec->width;
02431 ost->resample_pix_fmt = icodec->pix_fmt;
02432
02433 if (!ost->frame_rate.num)
02434 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational) { 25, 1 };
02435 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
02436 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
02437 ost->frame_rate = ost->enc->supported_framerates[idx];
02438 }
02439 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
02440
02441 #if CONFIG_AVFILTER
02442 if (configure_video_filters(ist, ost)) {
02443 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
02444 exit(1);
02445 }
02446 #endif
02447 break;
02448 case AVMEDIA_TYPE_SUBTITLE:
02449 break;
02450 default:
02451 abort();
02452 break;
02453 }
02454
02455 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
02456 char logfilename[1024];
02457 FILE *f;
02458
02459 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
02460 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
02461 i);
02462 if (!strcmp(ost->enc->name, "libx264")) {
02463 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
02464 } else {
02465 if (codec->flags & CODEC_FLAG_PASS1) {
02466 f = fopen(logfilename, "wb");
02467 if (!f) {
02468 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
02469 logfilename, strerror(errno));
02470 exit_program(1);
02471 }
02472 ost->logfile = f;
02473 } else {
02474 char *logbuffer;
02475 size_t logbuffer_size;
02476 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
02477 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
02478 logfilename);
02479 exit_program(1);
02480 }
02481 codec->stats_in = logbuffer;
02482 }
02483 }
02484 }
02485 }
02486 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
02487 int size = codec->width * codec->height;
02488 bit_buffer_size = FFMAX(bit_buffer_size, 6 * size + 200);
02489 }
02490 }
02491
02492 if (!bit_buffer)
02493 bit_buffer = av_malloc(bit_buffer_size);
02494 if (!bit_buffer) {
02495 av_log(NULL, AV_LOG_ERROR, "Cannot allocate %d bytes output buffer\n",
02496 bit_buffer_size);
02497 return AVERROR(ENOMEM);
02498 }
02499
02500
02501 for (i = 0; i < nb_output_streams; i++) {
02502 ost = &output_streams[i];
02503 if (ost->encoding_needed) {
02504 AVCodec *codec = ost->enc;
02505 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
02506 if (!codec) {
02507 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d:%d",
02508 ost->st->codec->codec_id, ost->file_index, ost->index);
02509 ret = AVERROR(EINVAL);
02510 goto dump_format;
02511 }
02512 if (dec->subtitle_header) {
02513 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
02514 if (!ost->st->codec->subtitle_header) {
02515 ret = AVERROR(ENOMEM);
02516 goto dump_format;
02517 }
02518 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
02519 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
02520 }
02521 if (!av_dict_get(ost->opts, "threads", NULL, 0))
02522 av_dict_set(&ost->opts, "threads", "auto", 0);
02523 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
02524 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
02525 ost->file_index, ost->index);
02526 ret = AVERROR(EINVAL);
02527 goto dump_format;
02528 }
02529 assert_codec_experimental(ost->st->codec, 1);
02530 assert_avoptions(ost->opts);
02531 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
02532 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
02533 "It takes bits/s as argument, not kbits/s\n");
02534 extra_size += ost->st->codec->extradata_size;
02535
02536 if (ost->st->codec->me_threshold)
02537 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
02538 }
02539 }
02540
02541
02542 for (i = 0; i < nb_input_streams; i++)
02543 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
02544 goto dump_format;
02545
02546
02547 for (i = 0; i < nb_input_files; i++) {
02548 InputFile *ifile = &input_files[i];
02549 for (j = 0; j < ifile->ctx->nb_programs; j++) {
02550 AVProgram *p = ifile->ctx->programs[j];
02551 int discard = AVDISCARD_ALL;
02552
02553 for (k = 0; k < p->nb_stream_indexes; k++)
02554 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
02555 discard = AVDISCARD_DEFAULT;
02556 break;
02557 }
02558 p->discard = discard;
02559 }
02560 }
02561
02562
02563 for (i = 0; i < nb_output_files; i++) {
02564 oc = output_files[i].ctx;
02565 oc->interrupt_callback = int_cb;
02566 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
02567 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
02568 ret = AVERROR(EINVAL);
02569 goto dump_format;
02570 }
02571 assert_avoptions(output_files[i].opts);
02572 if (strcmp(oc->oformat->name, "rtp")) {
02573 want_sdp = 0;
02574 }
02575 }
02576
02577 dump_format:
02578
02579
02580 for (i = 0; i < nb_output_files; i++) {
02581 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
02582 }
02583
02584
02585 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
02586 for (i = 0; i < nb_output_streams; i++) {
02587 ost = &output_streams[i];
02588
02589 if (ost->attachment_filename) {
02590
02591 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
02592 ost->attachment_filename, ost->file_index, ost->index);
02593 continue;
02594 }
02595 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
02596 input_streams[ost->source_index].file_index,
02597 input_streams[ost->source_index].st->index,
02598 ost->file_index,
02599 ost->index);
02600 if (ost->sync_ist != &input_streams[ost->source_index])
02601 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
02602 ost->sync_ist->file_index,
02603 ost->sync_ist->st->index);
02604 if (ost->stream_copy)
02605 av_log(NULL, AV_LOG_INFO, " (copy)");
02606 else
02607 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
02608 input_streams[ost->source_index].dec->name : "?",
02609 ost->enc ? ost->enc->name : "?");
02610 av_log(NULL, AV_LOG_INFO, "\n");
02611 }
02612
02613 if (ret) {
02614 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
02615 return ret;
02616 }
02617
02618 if (want_sdp) {
02619 print_sdp(output_files, nb_output_files);
02620 }
02621
02622 return 0;
02623 }
02624
02625
02626
02627
02628 static int transcode(OutputFile *output_files,
02629 int nb_output_files,
02630 InputFile *input_files,
02631 int nb_input_files)
02632 {
02633 int ret, i;
02634 AVFormatContext *is, *os;
02635 OutputStream *ost;
02636 InputStream *ist;
02637 uint8_t *no_packet;
02638 int no_packet_count = 0;
02639 int64_t timer_start;
02640
02641 if (!(no_packet = av_mallocz(nb_input_files)))
02642 exit_program(1);
02643
02644 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
02645 if (ret < 0)
02646 goto fail;
02647
02648 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
02649 term_init();
02650
02651 timer_start = av_gettime();
02652
02653 for (; received_sigterm == 0;) {
02654 int file_index, ist_index;
02655 AVPacket pkt;
02656 int64_t ipts_min;
02657 double opts_min;
02658
02659 ipts_min = INT64_MAX;
02660 opts_min = 1e100;
02661
02662
02663
02664 file_index = -1;
02665 for (i = 0; i < nb_output_streams; i++) {
02666 OutputFile *of;
02667 int64_t ipts;
02668 double opts;
02669 ost = &output_streams[i];
02670 of = &output_files[ost->file_index];
02671 os = output_files[ost->file_index].ctx;
02672 ist = &input_streams[ost->source_index];
02673 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
02674 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
02675 continue;
02676 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
02677 ipts = ist->pts;
02678 if (!input_files[ist->file_index].eof_reached) {
02679 if (ipts < ipts_min) {
02680 ipts_min = ipts;
02681 if (input_sync)
02682 file_index = ist->file_index;
02683 }
02684 if (opts < opts_min) {
02685 opts_min = opts;
02686 if (!input_sync) file_index = ist->file_index;
02687 }
02688 }
02689 if (ost->frame_number >= ost->max_frames) {
02690 int j;
02691 for (j = 0; j < of->ctx->nb_streams; j++)
02692 output_streams[of->ost_index + j].is_past_recording_time = 1;
02693 continue;
02694 }
02695 }
02696
02697 if (file_index < 0) {
02698 if (no_packet_count) {
02699 no_packet_count = 0;
02700 memset(no_packet, 0, nb_input_files);
02701 usleep(10000);
02702 continue;
02703 }
02704 break;
02705 }
02706
02707
02708 is = input_files[file_index].ctx;
02709 ret = av_read_frame(is, &pkt);
02710 if (ret == AVERROR(EAGAIN)) {
02711 no_packet[file_index] = 1;
02712 no_packet_count++;
02713 continue;
02714 }
02715 if (ret < 0) {
02716 input_files[file_index].eof_reached = 1;
02717 if (opt_shortest)
02718 break;
02719 else
02720 continue;
02721 }
02722
02723 no_packet_count = 0;
02724 memset(no_packet, 0, nb_input_files);
02725
02726 if (do_pkt_dump) {
02727 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
02728 is->streams[pkt.stream_index]);
02729 }
02730
02731
02732 if (pkt.stream_index >= input_files[file_index].nb_streams)
02733 goto discard_packet;
02734 ist_index = input_files[file_index].ist_index + pkt.stream_index;
02735 ist = &input_streams[ist_index];
02736 if (ist->discard)
02737 goto discard_packet;
02738
02739 if (pkt.dts != AV_NOPTS_VALUE)
02740 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
02741 if (pkt.pts != AV_NOPTS_VALUE)
02742 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
02743
02744 if (pkt.pts != AV_NOPTS_VALUE)
02745 pkt.pts *= ist->ts_scale;
02746 if (pkt.dts != AV_NOPTS_VALUE)
02747 pkt.dts *= ist->ts_scale;
02748
02749
02750
02751
02752
02753 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
02754 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
02755 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
02756 int64_t delta = pkt_dts - ist->next_pts;
02757 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->pts) && !copy_ts) {
02758 input_files[ist->file_index].ts_offset -= delta;
02759 av_log(NULL, AV_LOG_DEBUG,
02760 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
02761 delta, input_files[ist->file_index].ts_offset);
02762 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
02763 if (pkt.pts != AV_NOPTS_VALUE)
02764 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
02765 }
02766 }
02767
02768
02769 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
02770
02771 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
02772 ist->file_index, ist->st->index);
02773 if (exit_on_error)
02774 exit_program(1);
02775 av_free_packet(&pkt);
02776 continue;
02777 }
02778
02779 discard_packet:
02780 av_free_packet(&pkt);
02781
02782
02783 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
02784 }
02785
02786
02787 for (i = 0; i < nb_input_streams; i++) {
02788 ist = &input_streams[i];
02789 if (ist->decoding_needed) {
02790 output_packet(ist, output_streams, nb_output_streams, NULL);
02791 }
02792 }
02793 flush_encoders(output_streams, nb_output_streams);
02794
02795 term_exit();
02796
02797
02798 for (i = 0; i < nb_output_files; i++) {
02799 os = output_files[i].ctx;
02800 av_write_trailer(os);
02801 }
02802
02803
02804 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
02805
02806
02807 for (i = 0; i < nb_output_streams; i++) {
02808 ost = &output_streams[i];
02809 if (ost->encoding_needed) {
02810 av_freep(&ost->st->codec->stats_in);
02811 avcodec_close(ost->st->codec);
02812 }
02813 #if CONFIG_AVFILTER
02814 avfilter_graph_free(&ost->graph);
02815 #endif
02816 }
02817
02818
02819 for (i = 0; i < nb_input_streams; i++) {
02820 ist = &input_streams[i];
02821 if (ist->decoding_needed) {
02822 avcodec_close(ist->st->codec);
02823 }
02824 }
02825
02826
02827 ret = 0;
02828
02829 fail:
02830 av_freep(&bit_buffer);
02831 av_freep(&no_packet);
02832
02833 if (output_streams) {
02834 for (i = 0; i < nb_output_streams; i++) {
02835 ost = &output_streams[i];
02836 if (ost) {
02837 if (ost->stream_copy)
02838 av_freep(&ost->st->codec->extradata);
02839 if (ost->logfile) {
02840 fclose(ost->logfile);
02841 ost->logfile = NULL;
02842 }
02843 av_fifo_free(ost->fifo);
02844
02845 av_freep(&ost->st->codec->subtitle_header);
02846 av_free(ost->pict_tmp.data[0]);
02847 av_free(ost->forced_kf_pts);
02848 if (ost->video_resample)
02849 sws_freeContext(ost->img_resample_ctx);
02850 if (ost->resample)
02851 audio_resample_close(ost->resample);
02852 if (ost->reformat_ctx)
02853 av_audio_convert_free(ost->reformat_ctx);
02854 av_dict_free(&ost->opts);
02855 }
02856 }
02857 }
02858 return ret;
02859 }
02860
02861 static double parse_frame_aspect_ratio(const char *arg)
02862 {
02863 int x = 0, y = 0;
02864 double ar = 0;
02865 const char *p;
02866 char *end;
02867
02868 p = strchr(arg, ':');
02869 if (p) {
02870 x = strtol(arg, &end, 10);
02871 if (end == p)
02872 y = strtol(end + 1, &end, 10);
02873 if (x > 0 && y > 0)
02874 ar = (double)x / (double)y;
02875 } else
02876 ar = strtod(arg, NULL);
02877
02878 if (!ar) {
02879 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
02880 exit_program(1);
02881 }
02882 return ar;
02883 }
02884
02885 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
02886 {
02887 return parse_option(o, "codec:a", arg, options);
02888 }
02889
02890 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
02891 {
02892 return parse_option(o, "codec:v", arg, options);
02893 }
02894
02895 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
02896 {
02897 return parse_option(o, "codec:s", arg, options);
02898 }
02899
02900 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
02901 {
02902 return parse_option(o, "codec:d", arg, options);
02903 }
02904
02905 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
02906 {
02907 StreamMap *m = NULL;
02908 int i, negative = 0, file_idx;
02909 int sync_file_idx = -1, sync_stream_idx;
02910 char *p, *sync;
02911 char *map;
02912
02913 if (*arg == '-') {
02914 negative = 1;
02915 arg++;
02916 }
02917 map = av_strdup(arg);
02918
02919
02920 if (sync = strchr(map, ',')) {
02921 *sync = 0;
02922 sync_file_idx = strtol(sync + 1, &sync, 0);
02923 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
02924 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
02925 exit_program(1);
02926 }
02927 if (*sync)
02928 sync++;
02929 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
02930 if (check_stream_specifier(input_files[sync_file_idx].ctx,
02931 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
02932 sync_stream_idx = i;
02933 break;
02934 }
02935 if (i == input_files[sync_file_idx].nb_streams) {
02936 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
02937 "match any streams.\n", arg);
02938 exit_program(1);
02939 }
02940 }
02941
02942
02943 file_idx = strtol(map, &p, 0);
02944 if (file_idx >= nb_input_files || file_idx < 0) {
02945 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
02946 exit_program(1);
02947 }
02948 if (negative)
02949
02950 for (i = 0; i < o->nb_stream_maps; i++) {
02951 m = &o->stream_maps[i];
02952 if (file_idx == m->file_index &&
02953 check_stream_specifier(input_files[m->file_index].ctx,
02954 input_files[m->file_index].ctx->streams[m->stream_index],
02955 *p == ':' ? p + 1 : p) > 0)
02956 m->disabled = 1;
02957 }
02958 else
02959 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
02960 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
02961 *p == ':' ? p + 1 : p) <= 0)
02962 continue;
02963 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
02964 &o->nb_stream_maps, o->nb_stream_maps + 1);
02965 m = &o->stream_maps[o->nb_stream_maps - 1];
02966
02967 m->file_index = file_idx;
02968 m->stream_index = i;
02969
02970 if (sync_file_idx >= 0) {
02971 m->sync_file_index = sync_file_idx;
02972 m->sync_stream_index = sync_stream_idx;
02973 } else {
02974 m->sync_file_index = file_idx;
02975 m->sync_stream_index = i;
02976 }
02977 }
02978
02979 if (!m) {
02980 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
02981 exit_program(1);
02982 }
02983
02984 av_freep(&map);
02985 return 0;
02986 }
02987
02988 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
02989 {
02990 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
02991 &o->nb_attachments, o->nb_attachments + 1);
02992 o->attachments[o->nb_attachments - 1] = arg;
02993 return 0;
02994 }
02995
03002 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
03003 {
03004 if (*arg) {
03005 *type = *arg;
03006 switch (*arg) {
03007 case 'g':
03008 break;
03009 case 's':
03010 if (*(++arg) && *arg != ':') {
03011 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
03012 exit_program(1);
03013 }
03014 *stream_spec = *arg == ':' ? arg + 1 : "";
03015 break;
03016 case 'c':
03017 case 'p':
03018 if (*(++arg) == ':')
03019 *index = strtol(++arg, NULL, 0);
03020 break;
03021 default:
03022 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
03023 exit_program(1);
03024 }
03025 } else
03026 *type = 'g';
03027 }
03028
03029 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
03030 {
03031 AVDictionary **meta_in = NULL;
03032 AVDictionary **meta_out;
03033 int i, ret = 0;
03034 char type_in, type_out;
03035 const char *istream_spec = NULL, *ostream_spec = NULL;
03036 int idx_in = 0, idx_out = 0;
03037
03038 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
03039 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
03040
03041 if (type_in == 'g' || type_out == 'g')
03042 o->metadata_global_manual = 1;
03043 if (type_in == 's' || type_out == 's')
03044 o->metadata_streams_manual = 1;
03045 if (type_in == 'c' || type_out == 'c')
03046 o->metadata_chapters_manual = 1;
03047
03048 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
03049 if ((index) < 0 || (index) >= (nb_elems)) {\
03050 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
03051 (desc), (index));\
03052 exit_program(1);\
03053 }
03054
03055 #define SET_DICT(type, meta, context, index)\
03056 switch (type) {\
03057 case 'g':\
03058 meta = &context->metadata;\
03059 break;\
03060 case 'c':\
03061 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
03062 meta = &context->chapters[index]->metadata;\
03063 break;\
03064 case 'p':\
03065 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
03066 meta = &context->programs[index]->metadata;\
03067 break;\
03068 }\
03069
03070 SET_DICT(type_in, meta_in, ic, idx_in);
03071 SET_DICT(type_out, meta_out, oc, idx_out);
03072
03073
03074 if (type_in == 's') {
03075 for (i = 0; i < ic->nb_streams; i++) {
03076 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
03077 meta_in = &ic->streams[i]->metadata;
03078 break;
03079 } else if (ret < 0)
03080 exit_program(1);
03081 }
03082 if (!meta_in) {
03083 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
03084 exit_program(1);
03085 }
03086 }
03087
03088 if (type_out == 's') {
03089 for (i = 0; i < oc->nb_streams; i++) {
03090 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
03091 meta_out = &oc->streams[i]->metadata;
03092 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
03093 } else if (ret < 0)
03094 exit_program(1);
03095 }
03096 } else
03097 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
03098
03099 return 0;
03100 }
03101
03102 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
03103 {
03104 const char *codec_string = encoder ? "encoder" : "decoder";
03105 AVCodec *codec;
03106
03107 codec = encoder ?
03108 avcodec_find_encoder_by_name(name) :
03109 avcodec_find_decoder_by_name(name);
03110 if (!codec) {
03111 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
03112 exit_program(1);
03113 }
03114 if (codec->type != type) {
03115 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
03116 exit_program(1);
03117 }
03118 return codec;
03119 }
03120
03121 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
03122 {
03123 char *codec_name = NULL;
03124
03125 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
03126 if (codec_name) {
03127 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
03128 st->codec->codec_id = codec->id;
03129 return codec;
03130 } else
03131 return avcodec_find_decoder(st->codec->codec_id);
03132 }
03133
03138 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
03139 {
03140 int i;
03141
03142 for (i = 0; i < ic->nb_streams; i++) {
03143 AVStream *st = ic->streams[i];
03144 AVCodecContext *dec = st->codec;
03145 InputStream *ist;
03146
03147 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
03148 ist = &input_streams[nb_input_streams - 1];
03149 ist->st = st;
03150 ist->file_index = nb_input_files;
03151 ist->discard = 1;
03152 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
03153
03154 ist->ts_scale = 1.0;
03155 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
03156
03157 ist->dec = choose_decoder(o, ic, st);
03158
03159 switch (dec->codec_type) {
03160 case AVMEDIA_TYPE_AUDIO:
03161 if (o->audio_disable)
03162 st->discard = AVDISCARD_ALL;
03163 break;
03164 case AVMEDIA_TYPE_VIDEO:
03165 if (dec->lowres) {
03166 dec->flags |= CODEC_FLAG_EMU_EDGE;
03167 dec->height >>= dec->lowres;
03168 dec->width >>= dec->lowres;
03169 }
03170
03171 if (o->video_disable)
03172 st->discard = AVDISCARD_ALL;
03173 else if (video_discard)
03174 st->discard = video_discard;
03175 break;
03176 case AVMEDIA_TYPE_DATA:
03177 break;
03178 case AVMEDIA_TYPE_SUBTITLE:
03179 if (o->subtitle_disable)
03180 st->discard = AVDISCARD_ALL;
03181 break;
03182 case AVMEDIA_TYPE_ATTACHMENT:
03183 case AVMEDIA_TYPE_UNKNOWN:
03184 break;
03185 default:
03186 abort();
03187 }
03188 }
03189 }
03190
03191 static void assert_file_overwrite(const char *filename)
03192 {
03193 if (!file_overwrite &&
03194 (strchr(filename, ':') == NULL || filename[1] == ':' ||
03195 av_strstart(filename, "file:", NULL))) {
03196 if (avio_check(filename, 0) == 0) {
03197 if (!using_stdin) {
03198 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
03199 fflush(stderr);
03200 if (!read_yesno()) {
03201 fprintf(stderr, "Not overwriting - exiting\n");
03202 exit_program(1);
03203 }
03204 }
03205 else {
03206 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
03207 exit_program(1);
03208 }
03209 }
03210 }
03211 }
03212
03213 static void dump_attachment(AVStream *st, const char *filename)
03214 {
03215 int ret;
03216 AVIOContext *out = NULL;
03217 AVDictionaryEntry *e;
03218
03219 if (!st->codec->extradata_size) {
03220 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
03221 nb_input_files - 1, st->index);
03222 return;
03223 }
03224 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
03225 filename = e->value;
03226 if (!*filename) {
03227 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
03228 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
03229 exit_program(1);
03230 }
03231
03232 assert_file_overwrite(filename);
03233
03234 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
03235 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
03236 filename);
03237 exit_program(1);
03238 }
03239
03240 avio_write(out, st->codec->extradata, st->codec->extradata_size);
03241 avio_flush(out);
03242 avio_close(out);
03243 }
03244
03245 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
03246 {
03247 AVFormatContext *ic;
03248 AVInputFormat *file_iformat = NULL;
03249 int err, i, ret;
03250 int64_t timestamp;
03251 uint8_t buf[128];
03252 AVDictionary **opts;
03253 int orig_nb_streams;
03254
03255 if (o->format) {
03256 if (!(file_iformat = av_find_input_format(o->format))) {
03257 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
03258 exit_program(1);
03259 }
03260 }
03261
03262 if (!strcmp(filename, "-"))
03263 filename = "pipe:";
03264
03265 using_stdin |= !strncmp(filename, "pipe:", 5) ||
03266 !strcmp(filename, "/dev/stdin");
03267
03268
03269 ic = avformat_alloc_context();
03270 if (!ic) {
03271 print_error(filename, AVERROR(ENOMEM));
03272 exit_program(1);
03273 }
03274 if (o->nb_audio_sample_rate) {
03275 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
03276 av_dict_set(&format_opts, "sample_rate", buf, 0);
03277 }
03278 if (o->nb_audio_channels) {
03279 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
03280 av_dict_set(&format_opts, "channels", buf, 0);
03281 }
03282 if (o->nb_frame_rates) {
03283 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
03284 }
03285 if (o->nb_frame_sizes) {
03286 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
03287 }
03288 if (o->nb_frame_pix_fmts)
03289 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
03290
03291 ic->flags |= AVFMT_FLAG_NONBLOCK;
03292 ic->interrupt_callback = int_cb;
03293
03294
03295 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
03296 if (err < 0) {
03297 print_error(filename, err);
03298 exit_program(1);
03299 }
03300 assert_avoptions(format_opts);
03301
03302
03303 for (i = 0; i < ic->nb_streams; i++)
03304 choose_decoder(o, ic, ic->streams[i]);
03305
03306
03307 opts = setup_find_stream_info_opts(ic, codec_opts);
03308 orig_nb_streams = ic->nb_streams;
03309
03310
03311
03312 ret = avformat_find_stream_info(ic, opts);
03313 if (ret < 0) {
03314 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
03315 avformat_close_input(&ic);
03316 exit_program(1);
03317 }
03318
03319 timestamp = o->start_time;
03320
03321 if (ic->start_time != AV_NOPTS_VALUE)
03322 timestamp += ic->start_time;
03323
03324
03325 if (o->start_time != 0) {
03326 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
03327 if (ret < 0) {
03328 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
03329 filename, (double)timestamp / AV_TIME_BASE);
03330 }
03331 }
03332
03333
03334 add_input_streams(o, ic);
03335
03336
03337 av_dump_format(ic, nb_input_files, filename, 0);
03338
03339 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
03340 input_files[nb_input_files - 1].ctx = ic;
03341 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
03342 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
03343 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
03344 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
03345
03346 for (i = 0; i < o->nb_dump_attachment; i++) {
03347 int j;
03348
03349 for (j = 0; j < ic->nb_streams; j++) {
03350 AVStream *st = ic->streams[j];
03351
03352 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
03353 dump_attachment(st, o->dump_attachment[i].u.str);
03354 }
03355 }
03356
03357 for (i = 0; i < orig_nb_streams; i++)
03358 av_dict_free(&opts[i]);
03359 av_freep(&opts);
03360
03361 reset_options(o);
03362 return 0;
03363 }
03364
03365 static void parse_forced_key_frames(char *kf, OutputStream *ost,
03366 AVCodecContext *avctx)
03367 {
03368 char *p;
03369 int n = 1, i;
03370 int64_t t;
03371
03372 for (p = kf; *p; p++)
03373 if (*p == ',')
03374 n++;
03375 ost->forced_kf_count = n;
03376 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
03377 if (!ost->forced_kf_pts) {
03378 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
03379 exit_program(1);
03380 }
03381 for (i = 0; i < n; i++) {
03382 p = i ? strchr(p, ',') + 1 : kf;
03383 t = parse_time_or_die("force_key_frames", p, 1);
03384 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
03385 }
03386 }
03387
03388 static uint8_t *get_line(AVIOContext *s)
03389 {
03390 AVIOContext *line;
03391 uint8_t *buf;
03392 char c;
03393
03394 if (avio_open_dyn_buf(&line) < 0) {
03395 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
03396 exit_program(1);
03397 }
03398
03399 while ((c = avio_r8(s)) && c != '\n')
03400 avio_w8(line, c);
03401 avio_w8(line, 0);
03402 avio_close_dyn_buf(line, &buf);
03403
03404 return buf;
03405 }
03406
03407 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
03408 {
03409 int i, ret = 1;
03410 char filename[1000];
03411 const char *base[3] = { getenv("AVCONV_DATADIR"),
03412 getenv("HOME"),
03413 AVCONV_DATADIR,
03414 };
03415
03416 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
03417 if (!base[i])
03418 continue;
03419 if (codec_name) {
03420 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
03421 i != 1 ? "" : "/.avconv", codec_name, preset_name);
03422 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
03423 }
03424 if (ret) {
03425 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
03426 i != 1 ? "" : "/.avconv", preset_name);
03427 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
03428 }
03429 }
03430 return ret;
03431 }
03432
03433 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
03434 {
03435 char *codec_name = NULL;
03436
03437 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
03438 if (!codec_name) {
03439 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
03440 NULL, ost->st->codec->codec_type);
03441 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
03442 } else if (!strcmp(codec_name, "copy"))
03443 ost->stream_copy = 1;
03444 else {
03445 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
03446 ost->st->codec->codec_id = ost->enc->id;
03447 }
03448 }
03449
03450 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
03451 {
03452 OutputStream *ost;
03453 AVStream *st = avformat_new_stream(oc, NULL);
03454 int idx = oc->nb_streams - 1, ret = 0;
03455 char *bsf = NULL, *next, *codec_tag = NULL;
03456 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
03457 double qscale = -1;
03458 char *buf = NULL, *arg = NULL, *preset = NULL;
03459 AVIOContext *s = NULL;
03460
03461 if (!st) {
03462 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
03463 exit_program(1);
03464 }
03465
03466 if (oc->nb_streams - 1 < o->nb_streamid_map)
03467 st->id = o->streamid_map[oc->nb_streams - 1];
03468
03469 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
03470 nb_output_streams + 1);
03471 ost = &output_streams[nb_output_streams - 1];
03472 ost->file_index = nb_output_files;
03473 ost->index = idx;
03474 ost->st = st;
03475 st->codec->codec_type = type;
03476 choose_encoder(o, oc, ost);
03477 if (ost->enc) {
03478 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
03479 }
03480
03481 avcodec_get_context_defaults3(st->codec, ost->enc);
03482 st->codec->codec_type = type;
03483
03484 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
03485 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
03486 do {
03487 buf = get_line(s);
03488 if (!buf[0] || buf[0] == '#') {
03489 av_free(buf);
03490 continue;
03491 }
03492 if (!(arg = strchr(buf, '='))) {
03493 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
03494 exit_program(1);
03495 }
03496 *arg++ = 0;
03497 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
03498 av_free(buf);
03499 } while (!s->eof_reached);
03500 avio_close(s);
03501 }
03502 if (ret) {
03503 av_log(NULL, AV_LOG_FATAL,
03504 "Preset %s specified for stream %d:%d, but could not be opened.\n",
03505 preset, ost->file_index, ost->index);
03506 exit_program(1);
03507 }
03508
03509 ost->max_frames = INT64_MAX;
03510 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
03511
03512 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
03513 while (bsf) {
03514 if (next = strchr(bsf, ','))
03515 *next++ = 0;
03516 if (!(bsfc = av_bitstream_filter_init(bsf))) {
03517 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
03518 exit_program(1);
03519 }
03520 if (bsfc_prev)
03521 bsfc_prev->next = bsfc;
03522 else
03523 ost->bitstream_filters = bsfc;
03524
03525 bsfc_prev = bsfc;
03526 bsf = next;
03527 }
03528
03529 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
03530 if (codec_tag) {
03531 uint32_t tag = strtol(codec_tag, &next, 0);
03532 if (*next)
03533 tag = AV_RL32(codec_tag);
03534 st->codec->codec_tag = tag;
03535 }
03536
03537 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
03538 if (qscale >= 0 || same_quant) {
03539 st->codec->flags |= CODEC_FLAG_QSCALE;
03540 st->codec->global_quality = FF_QP2LAMBDA * qscale;
03541 }
03542
03543 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
03544 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
03545
03546 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
03547 return ost;
03548 }
03549
03550 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
03551 {
03552 int i;
03553 const char *p = str;
03554 for (i = 0;; i++) {
03555 dest[i] = atoi(p);
03556 if (i == 63)
03557 break;
03558 p = strchr(p, ',');
03559 if (!p) {
03560 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
03561 exit_program(1);
03562 }
03563 p++;
03564 }
03565 }
03566
03567 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
03568 {
03569 AVStream *st;
03570 OutputStream *ost;
03571 AVCodecContext *video_enc;
03572
03573 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
03574 st = ost->st;
03575 video_enc = st->codec;
03576
03577 if (!ost->stream_copy) {
03578 const char *p = NULL;
03579 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
03580 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
03581 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
03582 int i;
03583
03584 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
03585 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
03586 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
03587 exit_program(1);
03588 }
03589
03590 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
03591 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
03592 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
03593 exit_program(1);
03594 }
03595
03596 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
03597 if (frame_aspect_ratio)
03598 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
03599
03600 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
03601 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
03602 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
03603 exit_program(1);
03604 }
03605 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
03606
03607 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
03608 if (intra_matrix) {
03609 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
03610 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
03611 exit_program(1);
03612 }
03613 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
03614 }
03615 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
03616 if (inter_matrix) {
03617 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
03618 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
03619 exit_program(1);
03620 }
03621 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
03622 }
03623
03624 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
03625 for (i = 0; p; i++) {
03626 int start, end, q;
03627 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
03628 if (e != 3) {
03629 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
03630 exit_program(1);
03631 }
03632 video_enc->rc_override =
03633 av_realloc(video_enc->rc_override,
03634 sizeof(RcOverride) * (i + 1));
03635 video_enc->rc_override[i].start_frame = start;
03636 video_enc->rc_override[i].end_frame = end;
03637 if (q > 0) {
03638 video_enc->rc_override[i].qscale = q;
03639 video_enc->rc_override[i].quality_factor = 1.0;
03640 }
03641 else {
03642 video_enc->rc_override[i].qscale = 0;
03643 video_enc->rc_override[i].quality_factor = -q/100.0;
03644 }
03645 p = strchr(p, '/');
03646 if (p) p++;
03647 }
03648 video_enc->rc_override_count = i;
03649 if (!video_enc->rc_initial_buffer_occupancy)
03650 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
03651 video_enc->intra_dc_precision = intra_dc_precision - 8;
03652
03653
03654 if (do_pass) {
03655 if (do_pass == 1) {
03656 video_enc->flags |= CODEC_FLAG_PASS1;
03657 } else {
03658 video_enc->flags |= CODEC_FLAG_PASS2;
03659 }
03660 }
03661
03662 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
03663 if (forced_key_frames)
03664 parse_forced_key_frames(forced_key_frames, ost, video_enc);
03665
03666 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
03667
03668 ost->top_field_first = -1;
03669 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
03670
03671 #if CONFIG_AVFILTER
03672 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
03673 if (filters)
03674 ost->avfilter = av_strdup(filters);
03675 #endif
03676 } else {
03677 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
03678 }
03679
03680 return ost;
03681 }
03682
03683 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
03684 {
03685 AVStream *st;
03686 OutputStream *ost;
03687 AVCodecContext *audio_enc;
03688
03689 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
03690 st = ost->st;
03691
03692 audio_enc = st->codec;
03693 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
03694
03695 if (!ost->stream_copy) {
03696 char *sample_fmt = NULL;
03697
03698 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
03699
03700 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
03701 if (sample_fmt &&
03702 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
03703 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
03704 exit_program(1);
03705 }
03706
03707 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
03708 }
03709
03710 return ost;
03711 }
03712
03713 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
03714 {
03715 OutputStream *ost;
03716
03717 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
03718 if (!ost->stream_copy) {
03719 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
03720 exit_program(1);
03721 }
03722
03723 return ost;
03724 }
03725
03726 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
03727 {
03728 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
03729 ost->stream_copy = 1;
03730 return ost;
03731 }
03732
03733 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
03734 {
03735 AVStream *st;
03736 OutputStream *ost;
03737 AVCodecContext *subtitle_enc;
03738
03739 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
03740 st = ost->st;
03741 subtitle_enc = st->codec;
03742
03743 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
03744
03745 return ost;
03746 }
03747
03748
03749 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
03750 {
03751 int idx;
03752 char *p;
03753 char idx_str[16];
03754
03755 av_strlcpy(idx_str, arg, sizeof(idx_str));
03756 p = strchr(idx_str, ':');
03757 if (!p) {
03758 av_log(NULL, AV_LOG_FATAL,
03759 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
03760 arg, opt);
03761 exit_program(1);
03762 }
03763 *p++ = '\0';
03764 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
03765 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
03766 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
03767 return 0;
03768 }
03769
03770 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
03771 {
03772 AVFormatContext *is = ifile->ctx;
03773 AVFormatContext *os = ofile->ctx;
03774 int i;
03775
03776 for (i = 0; i < is->nb_chapters; i++) {
03777 AVChapter *in_ch = is->chapters[i], *out_ch;
03778 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
03779 AV_TIME_BASE_Q, in_ch->time_base);
03780 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
03781 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
03782
03783
03784 if (in_ch->end < ts_off)
03785 continue;
03786 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
03787 break;
03788
03789 out_ch = av_mallocz(sizeof(AVChapter));
03790 if (!out_ch)
03791 return AVERROR(ENOMEM);
03792
03793 out_ch->id = in_ch->id;
03794 out_ch->time_base = in_ch->time_base;
03795 out_ch->start = FFMAX(0, in_ch->start - ts_off);
03796 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
03797
03798 if (copy_metadata)
03799 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
03800
03801 os->nb_chapters++;
03802 os->chapters = av_realloc(os->chapters, sizeof(AVChapter) * os->nb_chapters);
03803 if (!os->chapters)
03804 return AVERROR(ENOMEM);
03805 os->chapters[os->nb_chapters - 1] = out_ch;
03806 }
03807 return 0;
03808 }
03809
03810 static void opt_output_file(void *optctx, const char *filename)
03811 {
03812 OptionsContext *o = optctx;
03813 AVFormatContext *oc;
03814 int i, err;
03815 AVOutputFormat *file_oformat;
03816 OutputStream *ost;
03817 InputStream *ist;
03818
03819 if (!strcmp(filename, "-"))
03820 filename = "pipe:";
03821
03822 oc = avformat_alloc_context();
03823 if (!oc) {
03824 print_error(filename, AVERROR(ENOMEM));
03825 exit_program(1);
03826 }
03827
03828 if (o->format) {
03829 file_oformat = av_guess_format(o->format, NULL, NULL);
03830 if (!file_oformat) {
03831 av_log(NULL, AV_LOG_FATAL, "Requested output format '%s' is not a suitable output format\n", o->format);
03832 exit_program(1);
03833 }
03834 } else {
03835 file_oformat = av_guess_format(NULL, filename, NULL);
03836 if (!file_oformat) {
03837 av_log(NULL, AV_LOG_FATAL, "Unable to find a suitable output format for '%s'\n",
03838 filename);
03839 exit_program(1);
03840 }
03841 }
03842
03843 oc->oformat = file_oformat;
03844 oc->interrupt_callback = int_cb;
03845 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
03846
03847 if (!o->nb_stream_maps) {
03848
03849 #define NEW_STREAM(type, index)\
03850 if (index >= 0) {\
03851 ost = new_ ## type ## _stream(o, oc);\
03852 ost->source_index = index;\
03853 ost->sync_ist = &input_streams[index];\
03854 input_streams[index].discard = 0;\
03855 }
03856
03857
03858 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
03859 int area = 0, idx = -1;
03860 for (i = 0; i < nb_input_streams; i++) {
03861 ist = &input_streams[i];
03862 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
03863 ist->st->codec->width * ist->st->codec->height > area) {
03864 area = ist->st->codec->width * ist->st->codec->height;
03865 idx = i;
03866 }
03867 }
03868 NEW_STREAM(video, idx);
03869 }
03870
03871
03872 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
03873 int channels = 0, idx = -1;
03874 for (i = 0; i < nb_input_streams; i++) {
03875 ist = &input_streams[i];
03876 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
03877 ist->st->codec->channels > channels) {
03878 channels = ist->st->codec->channels;
03879 idx = i;
03880 }
03881 }
03882 NEW_STREAM(audio, idx);
03883 }
03884
03885
03886 if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
03887 for (i = 0; i < nb_input_streams; i++)
03888 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
03889 NEW_STREAM(subtitle, i);
03890 break;
03891 }
03892 }
03893
03894 } else {
03895 for (i = 0; i < o->nb_stream_maps; i++) {
03896 StreamMap *map = &o->stream_maps[i];
03897
03898 if (map->disabled)
03899 continue;
03900
03901 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
03902 switch (ist->st->codec->codec_type) {
03903 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
03904 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
03905 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
03906 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
03907 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
03908 default:
03909 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
03910 map->file_index, map->stream_index);
03911 exit_program(1);
03912 }
03913
03914 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
03915 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
03916 map->sync_stream_index];
03917 ist->discard = 0;
03918 }
03919 }
03920
03921
03922 for (i = 0; i < o->nb_attachments; i++) {
03923 AVIOContext *pb;
03924 uint8_t *attachment;
03925 const char *p;
03926 int64_t len;
03927
03928 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
03929 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
03930 o->attachments[i]);
03931 exit_program(1);
03932 }
03933 if ((len = avio_size(pb)) <= 0) {
03934 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
03935 o->attachments[i]);
03936 exit_program(1);
03937 }
03938 if (!(attachment = av_malloc(len))) {
03939 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
03940 o->attachments[i]);
03941 exit_program(1);
03942 }
03943 avio_read(pb, attachment, len);
03944
03945 ost = new_attachment_stream(o, oc);
03946 ost->stream_copy = 0;
03947 ost->source_index = -1;
03948 ost->attachment_filename = o->attachments[i];
03949 ost->st->codec->extradata = attachment;
03950 ost->st->codec->extradata_size = len;
03951
03952 p = strrchr(o->attachments[i], '/');
03953 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
03954 avio_close(pb);
03955 }
03956
03957 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
03958 output_files[nb_output_files - 1].ctx = oc;
03959 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
03960 output_files[nb_output_files - 1].recording_time = o->recording_time;
03961 output_files[nb_output_files - 1].start_time = o->start_time;
03962 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
03963 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
03964
03965
03966 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
03967 if (!av_filename_number_test(oc->filename)) {
03968 print_error(oc->filename, AVERROR(EINVAL));
03969 exit_program(1);
03970 }
03971 }
03972
03973 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
03974
03975 assert_file_overwrite(filename);
03976
03977
03978 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
03979 &oc->interrupt_callback,
03980 &output_files[nb_output_files - 1].opts)) < 0) {
03981 print_error(filename, err);
03982 exit_program(1);
03983 }
03984 }
03985
03986 if (o->mux_preload) {
03987 uint8_t buf[64];
03988 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
03989 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
03990 }
03991 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
03992 oc->flags |= AVFMT_FLAG_NONBLOCK;
03993
03994
03995 for (i = 0; i < o->nb_metadata_map; i++) {
03996 char *p;
03997 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
03998
03999 if (in_file_index < 0)
04000 continue;
04001 if (in_file_index >= nb_input_files) {
04002 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
04003 exit_program(1);
04004 }
04005 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index].ctx, o);
04006 }
04007
04008
04009 if (o->chapters_input_file >= nb_input_files) {
04010 if (o->chapters_input_file == INT_MAX) {
04011
04012 o->chapters_input_file = -1;
04013 for (i = 0; i < nb_input_files; i++)
04014 if (input_files[i].ctx->nb_chapters) {
04015 o->chapters_input_file = i;
04016 break;
04017 }
04018 } else {
04019 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
04020 o->chapters_input_file);
04021 exit_program(1);
04022 }
04023 }
04024 if (o->chapters_input_file >= 0)
04025 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
04026 !o->metadata_chapters_manual);
04027
04028
04029 if (!o->metadata_global_manual && nb_input_files)
04030 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
04031 AV_DICT_DONT_OVERWRITE);
04032 if (!o->metadata_streams_manual)
04033 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
04034 InputStream *ist;
04035 if (output_streams[i].source_index < 0)
04036 continue;
04037 ist = &input_streams[output_streams[i].source_index];
04038 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
04039 }
04040
04041
04042 for (i = 0; i < o->nb_metadata; i++) {
04043 AVDictionary **m;
04044 char type, *val;
04045 const char *stream_spec;
04046 int index = 0, j, ret;
04047
04048 val = strchr(o->metadata[i].u.str, '=');
04049 if (!val) {
04050 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
04051 o->metadata[i].u.str);
04052 exit_program(1);
04053 }
04054 *val++ = 0;
04055
04056 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
04057 if (type == 's') {
04058 for (j = 0; j < oc->nb_streams; j++) {
04059 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
04060 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
04061 } else if (ret < 0)
04062 exit_program(1);
04063 }
04064 printf("ret %d, stream_spec %s\n", ret, stream_spec);
04065 }
04066 else {
04067 switch (type) {
04068 case 'g':
04069 m = &oc->metadata;
04070 break;
04071 case 'c':
04072 if (index < 0 || index >= oc->nb_chapters) {
04073 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
04074 exit_program(1);
04075 }
04076 m = &oc->chapters[index]->metadata;
04077 break;
04078 default:
04079 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
04080 exit_program(1);
04081 }
04082 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
04083 }
04084 }
04085
04086 reset_options(o);
04087 }
04088
04089
04090 static int opt_pass(const char *opt, const char *arg)
04091 {
04092 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
04093 return 0;
04094 }
04095
04096 static int64_t getutime(void)
04097 {
04098 #if HAVE_GETRUSAGE
04099 struct rusage rusage;
04100
04101 getrusage(RUSAGE_SELF, &rusage);
04102 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
04103 #elif HAVE_GETPROCESSTIMES
04104 HANDLE proc;
04105 FILETIME c, e, k, u;
04106 proc = GetCurrentProcess();
04107 GetProcessTimes(proc, &c, &e, &k, &u);
04108 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
04109 #else
04110 return av_gettime();
04111 #endif
04112 }
04113
04114 static int64_t getmaxrss(void)
04115 {
04116 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
04117 struct rusage rusage;
04118 getrusage(RUSAGE_SELF, &rusage);
04119 return (int64_t)rusage.ru_maxrss * 1024;
04120 #elif HAVE_GETPROCESSMEMORYINFO
04121 HANDLE proc;
04122 PROCESS_MEMORY_COUNTERS memcounters;
04123 proc = GetCurrentProcess();
04124 memcounters.cb = sizeof(memcounters);
04125 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
04126 return memcounters.PeakPagefileUsage;
04127 #else
04128 return 0;
04129 #endif
04130 }
04131
04132 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
04133 {
04134 return parse_option(o, "q:a", arg, options);
04135 }
04136
04137 static void show_usage(void)
04138 {
04139 printf("Hyper fast Audio and Video encoder\n");
04140 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
04141 printf("\n");
04142 }
04143
04144 static void show_help(void)
04145 {
04146 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
04147 av_log_set_callback(log_callback_help);
04148 show_usage();
04149 show_help_options(options, "Main options:\n",
04150 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
04151 show_help_options(options, "\nAdvanced options:\n",
04152 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
04153 OPT_EXPERT);
04154 show_help_options(options, "\nVideo options:\n",
04155 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
04156 OPT_VIDEO);
04157 show_help_options(options, "\nAdvanced Video options:\n",
04158 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
04159 OPT_VIDEO | OPT_EXPERT);
04160 show_help_options(options, "\nAudio options:\n",
04161 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
04162 OPT_AUDIO);
04163 show_help_options(options, "\nAdvanced Audio options:\n",
04164 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
04165 OPT_AUDIO | OPT_EXPERT);
04166 show_help_options(options, "\nSubtitle options:\n",
04167 OPT_SUBTITLE | OPT_GRAB,
04168 OPT_SUBTITLE);
04169 show_help_options(options, "\nAudio/Video grab options:\n",
04170 OPT_GRAB,
04171 OPT_GRAB);
04172 printf("\n");
04173 show_help_children(avcodec_get_class(), flags);
04174 show_help_children(avformat_get_class(), flags);
04175 show_help_children(sws_get_class(), flags);
04176 }
04177
04178 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
04179 {
04180 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
04181 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
04182
04183 if (!strncmp(arg, "pal-", 4)) {
04184 norm = PAL;
04185 arg += 4;
04186 } else if (!strncmp(arg, "ntsc-", 5)) {
04187 norm = NTSC;
04188 arg += 5;
04189 } else if (!strncmp(arg, "film-", 5)) {
04190 norm = FILM;
04191 arg += 5;
04192 } else {
04193
04194 if (nb_input_files) {
04195 int i, j, fr;
04196 for (j = 0; j < nb_input_files; j++) {
04197 for (i = 0; i < input_files[j].nb_streams; i++) {
04198 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
04199 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
04200 continue;
04201 fr = c->time_base.den * 1000 / c->time_base.num;
04202 if (fr == 25000) {
04203 norm = PAL;
04204 break;
04205 } else if ((fr == 29970) || (fr == 23976)) {
04206 norm = NTSC;
04207 break;
04208 }
04209 }
04210 if (norm != UNKNOWN)
04211 break;
04212 }
04213 }
04214 if (norm != UNKNOWN)
04215 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
04216 }
04217
04218 if (norm == UNKNOWN) {
04219 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
04220 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
04221 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
04222 exit_program(1);
04223 }
04224
04225 if (!strcmp(arg, "vcd")) {
04226 opt_video_codec(o, "c:v", "mpeg1video");
04227 opt_audio_codec(o, "c:a", "mp2");
04228 parse_option(o, "f", "vcd", options);
04229
04230 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
04231 parse_option(o, "r", frame_rates[norm], options);
04232 opt_default("g", norm == PAL ? "15" : "18");
04233
04234 opt_default("b", "1150000");
04235 opt_default("maxrate", "1150000");
04236 opt_default("minrate", "1150000");
04237 opt_default("bufsize", "327680");
04238
04239 opt_default("b:a", "224000");
04240 parse_option(o, "ar", "44100", options);
04241 parse_option(o, "ac", "2", options);
04242
04243 opt_default("packetsize", "2324");
04244 opt_default("muxrate", "1411200");
04245
04246
04247
04248
04249
04250
04251 o->mux_preload = (36000 + 3 * 1200) / 90000.0;
04252 } else if (!strcmp(arg, "svcd")) {
04253
04254 opt_video_codec(o, "c:v", "mpeg2video");
04255 opt_audio_codec(o, "c:a", "mp2");
04256 parse_option(o, "f", "svcd", options);
04257
04258 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
04259 parse_option(o, "r", frame_rates[norm], options);
04260 opt_default("g", norm == PAL ? "15" : "18");
04261
04262 opt_default("b", "2040000");
04263 opt_default("maxrate", "2516000");
04264 opt_default("minrate", "0");
04265 opt_default("bufsize", "1835008");
04266 opt_default("flags", "+scan_offset");
04267
04268
04269 opt_default("b:a", "224000");
04270 parse_option(o, "ar", "44100", options);
04271
04272 opt_default("packetsize", "2324");
04273
04274 } else if (!strcmp(arg, "dvd")) {
04275
04276 opt_video_codec(o, "c:v", "mpeg2video");
04277 opt_audio_codec(o, "c:a", "ac3");
04278 parse_option(o, "f", "dvd", options);
04279
04280 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
04281 parse_option(o, "r", frame_rates[norm], options);
04282 opt_default("g", norm == PAL ? "15" : "18");
04283
04284 opt_default("b", "6000000");
04285 opt_default("maxrate", "9000000");
04286 opt_default("minrate", "0");
04287 opt_default("bufsize", "1835008");
04288
04289 opt_default("packetsize", "2048");
04290 opt_default("muxrate", "10080000");
04291
04292 opt_default("b:a", "448000");
04293 parse_option(o, "ar", "48000", options);
04294
04295 } else if (!strncmp(arg, "dv", 2)) {
04296
04297 parse_option(o, "f", "dv", options);
04298
04299 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
04300 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
04301 norm == PAL ? "yuv420p" : "yuv411p", options);
04302 parse_option(o, "r", frame_rates[norm], options);
04303
04304 parse_option(o, "ar", "48000", options);
04305 parse_option(o, "ac", "2", options);
04306
04307 } else {
04308 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
04309 return AVERROR(EINVAL);
04310 }
04311 return 0;
04312 }
04313
04314 static int opt_vstats_file(const char *opt, const char *arg)
04315 {
04316 av_free (vstats_filename);
04317 vstats_filename = av_strdup (arg);
04318 return 0;
04319 }
04320
04321 static int opt_vstats(const char *opt, const char *arg)
04322 {
04323 char filename[40];
04324 time_t today2 = time(NULL);
04325 struct tm *today = localtime(&today2);
04326
04327 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
04328 today->tm_sec);
04329 return opt_vstats_file(opt, filename);
04330 }
04331
04332 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
04333 {
04334 return parse_option(o, "frames:v", arg, options);
04335 }
04336
04337 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
04338 {
04339 return parse_option(o, "frames:a", arg, options);
04340 }
04341
04342 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
04343 {
04344 return parse_option(o, "frames:d", arg, options);
04345 }
04346
04347 static int opt_video_tag(OptionsContext *o, const char *opt, const char *arg)
04348 {
04349 return parse_option(o, "tag:v", arg, options);
04350 }
04351
04352 static int opt_audio_tag(OptionsContext *o, const char *opt, const char *arg)
04353 {
04354 return parse_option(o, "tag:a", arg, options);
04355 }
04356
04357 static int opt_subtitle_tag(OptionsContext *o, const char *opt, const char *arg)
04358 {
04359 return parse_option(o, "tag:s", arg, options);
04360 }
04361
04362 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
04363 {
04364 return parse_option(o, "filter:v", arg, options);
04365 }
04366
04367 static int opt_vsync(const char *opt, const char *arg)
04368 {
04369 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
04370 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
04371 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
04372
04373 if (video_sync_method == VSYNC_AUTO)
04374 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
04375 return 0;
04376 }
04377
04378 #define OFFSET(x) offsetof(OptionsContext, x)
04379 static const OptionDef options[] = {
04380
04381 #include "cmdutils_common_opts.h"
04382 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
04383 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
04384 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
04385 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
04386 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
04387 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
04388 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
04389 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
04390 "outfile[,metadata]:infile[,metadata]" },
04391 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
04392 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
04393 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" },
04394 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
04395 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
04396 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
04397 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
04398 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
04399 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
04400 "add timings for benchmarking" },
04401 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
04402 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
04403 "dump each input packet" },
04404 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
04405 "when dumping packets, also dump the payload" },
04406 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
04407 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
04408 { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
04409 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
04410 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
04411 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
04412 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
04413 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" },
04414 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
04415 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
04416 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
04417 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
04418 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
04419 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
04420 { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
04421 #if CONFIG_AVFILTER
04422 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
04423 #endif
04424 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
04425 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
04426 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
04427
04428
04429 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
04430 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
04431 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
04432 { "aspect", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_aspect_ratios)}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
04433 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
04434 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
04435 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
04436 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
04437 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
04438 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
04439 "use same quantizer as source (implies VBR)" },
04440 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
04441 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
04442 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
04443 "deinterlace pictures" },
04444 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
04445 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
04446 #if CONFIG_AVFILTER
04447 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
04448 #endif
04449 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
04450 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
04451 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
04452 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
04453 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
04454 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
04455 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
04456 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
04457 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(forced_key_frames)}, "force key frames at specified timestamps", "timestamps" },
04458
04459
04460 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
04461 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
04462 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
04463 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
04464 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
04465 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
04466 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
04467 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" },
04468 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
04469
04470
04471 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
04472 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
04473 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
04474
04475
04476 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
04477
04478
04479 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
04480 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
04481
04482 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
04483
04484
04485 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
04486
04487 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
04488 { NULL, },
04489 };
04490
04491 int main(int argc, char **argv)
04492 {
04493 OptionsContext o = { 0 };
04494 int64_t ti;
04495
04496 reset_options(&o);
04497
04498 av_log_set_flags(AV_LOG_SKIP_REPEATED);
04499 parse_loglevel(argc, argv, options);
04500
04501 avcodec_register_all();
04502 #if CONFIG_AVDEVICE
04503 avdevice_register_all();
04504 #endif
04505 #if CONFIG_AVFILTER
04506 avfilter_register_all();
04507 #endif
04508 av_register_all();
04509 avformat_network_init();
04510
04511 show_banner();
04512
04513
04514 parse_options(&o, argc, argv, options, opt_output_file);
04515
04516 if (nb_output_files <= 0 && nb_input_files == 0) {
04517 show_usage();
04518 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
04519 exit_program(1);
04520 }
04521
04522
04523 if (nb_output_files <= 0) {
04524 fprintf(stderr, "At least one output file must be specified\n");
04525 exit_program(1);
04526 }
04527
04528 if (nb_input_files == 0) {
04529 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
04530 exit_program(1);
04531 }
04532
04533 ti = getutime();
04534 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
04535 exit_program(1);
04536 ti = getutime() - ti;
04537 if (do_benchmark) {
04538 int maxrss = getmaxrss() / 1024;
04539 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
04540 }
04541
04542 exit_program(0);
04543 return 0;
04544 }