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libavformat/audiointerleave.h

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00001 /*
00002  * audio interleaving prototypes and declarations
00003  *
00004  * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
00005  *
00006  * This file is part of FFmpeg.
00007  *
00008  * FFmpeg is free software; you can redistribute it and/or
00009  * modify it under the terms of the GNU Lesser General Public
00010  * License as published by the Free Software Foundation; either
00011  * version 2.1 of the License, or (at your option) any later version.
00012  *
00013  * FFmpeg is distributed in the hope that it will be useful,
00014  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00015  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00016  * Lesser General Public License for more details.
00017  *
00018  * You should have received a copy of the GNU Lesser General Public
00019  * License along with FFmpeg; if not, write to the Free Software
00020  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00021  */
00022 
00023 #ifndef AVFORMAT_AUDIOINTERLEAVE_H
00024 #define AVFORMAT_AUDIOINTERLEAVE_H
00025 
00026 #include "libavutil/fifo.h"
00027 #include "avformat.h"
00028 
00029 typedef struct {
00030     AVFifoBuffer *fifo;
00031     unsigned fifo_size;           
00032     uint64_t dts;                 
00033     int sample_size;              
00034     const int *samples_per_frame; 
00035     const int *samples;           
00036     AVRational time_base;         
00037 } AudioInterleaveContext;
00038 
00039 int ff_audio_interleave_init(AVFormatContext *s, const int *samples_per_frame, AVRational time_base);
00040 void ff_audio_interleave_close(AVFormatContext *s);
00041 
00042 int ff_interleave_compare_dts(AVFormatContext *s, AVPacket *next, AVPacket *pkt);
00052 int ff_audio_rechunk_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush,
00053                         int (*get_packet)(AVFormatContext *, AVPacket *, AVPacket *, int),
00054                         int (*compare_ts)(AVFormatContext *, AVPacket *, AVPacket *));
00055 
00056 #endif /* AVFORMAT_AUDIOINTERLEAVE_H */

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