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libavcodec/libdirac_libschro.h

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00001 /*
00002  * Copyright (c) 2008 BBC, Anuradha Suraparaju <asuraparaju at gmail dot com >
00003  *
00004  * This file is part of FFmpeg.
00005  *
00006  * FFmpeg is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Lesser General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2.1 of the License, or (at your option) any later version.
00010  *
00011  * FFmpeg is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Lesser General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Lesser General Public
00017  * License along with FFmpeg; if not, write to the Free Software
00018  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00019  */
00020 
00026 #ifndef AVCODEC_LIBDIRAC_LIBSCHRO_H
00027 #define AVCODEC_LIBDIRAC_LIBSCHRO_H
00028 
00029 #include "avcodec.h"
00030 
00031 typedef struct {
00032     uint16_t width;
00033     uint16_t height;
00034     uint16_t frame_rate_num;
00035     uint16_t frame_rate_denom;
00036 } FfmpegDiracSchroVideoFormatInfo;
00037 
00041 unsigned int ff_dirac_schro_get_video_format_idx(AVCodecContext *avccontext);
00042 
00046 typedef struct FfmpegDiracSchroEncodedFrame {
00048     uint8_t *p_encbuf;
00049 
00051     uint32_t size;
00052 
00054     uint32_t frame_num;
00055 
00057     uint16_t key_frame;
00058 } FfmpegDiracSchroEncodedFrame;
00059 
00063 typedef struct FfmpegDiracSchroQueueElement {
00065     void *data;
00067     struct FfmpegDiracSchroQueueElement *next;
00068 } FfmpegDiracSchroQueueElement;
00069 
00070 
00074 typedef struct FfmpegDiracSchroQueue {
00076     FfmpegDiracSchroQueueElement *p_head;
00078     FfmpegDiracSchroQueueElement *p_tail;
00080     int size;
00081 } FfmpegDiracSchroQueue;
00082 
00086 void ff_dirac_schro_queue_init(FfmpegDiracSchroQueue *queue);
00087 
00091 int ff_dirac_schro_queue_push_back(FfmpegDiracSchroQueue *queue, void *p_data);
00092 
00096 void *ff_dirac_schro_queue_pop(FfmpegDiracSchroQueue *queue);
00097 
00103 void ff_dirac_schro_queue_free(FfmpegDiracSchroQueue *queue,
00104                                void (*free_func)(void *));
00105 #endif /* AVCODEC_LIBDIRAC_LIBSCHRO_H */

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