Sorenson Vector Quantizer #1 (SVQ1) video codec. More...
#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
#include "h263.h"
#include "internal.h"
#include "svq1.h"
#include "svq1enc_cb.h"
#include <assert.h>
Go to the source code of this file.
Data Structures | |
struct | SVQ1Context |
Defines | |
#define | QUALITY_THRESHOLD 100 |
#define | THRESHOLD_MULTIPLIER 0.6 |
Typedefs | |
typedef struct SVQ1Context | SVQ1Context |
Functions | |
static void | svq1_write_header (SVQ1Context *s, int frame_type) |
static int | encode_block (SVQ1Context *s, uint8_t *src, uint8_t *ref, uint8_t *decoded, int stride, int level, int threshold, int lambda, int intra) |
static int | svq1_encode_plane (SVQ1Context *s, int plane, unsigned char *src_plane, unsigned char *ref_plane, unsigned char *decoded_plane, int width, int height, int src_stride, int stride) |
static av_cold int | svq1_encode_init (AVCodecContext *avctx) |
static int | svq1_encode_frame (AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data) |
static av_cold int | svq1_encode_end (AVCodecContext *avctx) |
Variables | |
AVCodec | svq1_encoder |
Sorenson Vector Quantizer #1 (SVQ1) video codec.
For more information of the SVQ1 algorithm, visit: http://www.pcisys.net/~melanson/codecs/
Definition in file svq1enc.c.
#define THRESHOLD_MULTIPLIER 0.6 |
Definition at line 114 of file svq1enc.c.
Referenced by svq1_encode_plane().
typedef struct SVQ1Context SVQ1Context |
static int encode_block | ( | SVQ1Context * | s, | |
uint8_t * | src, | |||
uint8_t * | ref, | |||
uint8_t * | decoded, | |||
int | stride, | |||
int | level, | |||
int | threshold, | |||
int | lambda, | |||
int | intra | |||
) | [static] |
Definition at line 120 of file svq1enc.c.
Referenced by svq1_encode_plane().
static av_cold int svq1_encode_end | ( | AVCodecContext * | avctx | ) | [static] |
static int svq1_encode_frame | ( | AVCodecContext * | avctx, | |
unsigned char * | buf, | |||
int | buf_size, | |||
void * | data | |||
) | [static] |
static av_cold int svq1_encode_init | ( | AVCodecContext * | avctx | ) | [static] |
static int svq1_encode_plane | ( | SVQ1Context * | s, | |
int | plane, | |||
unsigned char * | src_plane, | |||
unsigned char * | ref_plane, | |||
unsigned char * | decoded_plane, | |||
int | width, | |||
int | height, | |||
int | src_stride, | |||
int | stride | |||
) | [static] |
Definition at line 264 of file svq1enc.c.
Referenced by svq1_encode_frame().
static void svq1_write_header | ( | SVQ1Context * | s, | |
int | frame_type | |||
) | [static] |
Definition at line 76 of file svq1enc.c.
Referenced by svq1_encode_frame().
{ "svq1", AVMEDIA_TYPE_VIDEO, CODEC_ID_SVQ1, sizeof(SVQ1Context), svq1_encode_init, svq1_encode_frame, svq1_encode_end, .pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV410P, PIX_FMT_NONE}, .long_name= NULL_IF_CONFIG_SMALL("Sorenson Vector Quantizer 1 / Sorenson Video 1 / SVQ1"), }