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55c49afc42
* qatar/master: yuv4mpeg: return proper error codes. Give all anonymously typedeffed structs in headers a name fate: Add parseutils test parseutils-test: Drop random colors from parsing test vf_pad/scale: use double precision for aspect ratios. build: error on variable-length arrays ppc: swscale: rework yuv2planeX_altivec() ppc: fmtconvert: kill VLA in float_to_int16_interleave_altivec() x86: dsputil: kill VLA in gmc_mmx() libspeexenc: Updated commentary to reflect recent changes libspeexenc: Add an option for enabling DTX doc/APIchanges: fill in missing dates and hashes. lavr: bump major to 1 and declare it stable. lavr: change the type of the data buffers to uint8_t**. lavc: deprecate the audio resampling API. Conflicts: cmdutils.h configure doc/APIchanges ffplay.c libavcodec/dwt.h libavcodec/libspeexenc.c libavfilter/vf_pad.c libavfilter/vf_scale.c libavformat/asf.h tests/fate/libavutil.mak tests/ref/fate/parseutils Merged-by: Michael Niedermayer <michaelni@gmx.at>
56 lines
2.4 KiB
C
56 lines
2.4 KiB
C
/*
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* audio interleaving prototypes and declarations
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*
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* Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVFORMAT_AUDIOINTERLEAVE_H
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#define AVFORMAT_AUDIOINTERLEAVE_H
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#include "libavutil/fifo.h"
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#include "avformat.h"
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typedef struct AudioInterleaveContext {
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AVFifoBuffer *fifo;
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unsigned fifo_size; ///< size of currently allocated FIFO
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uint64_t dts; ///< current dts
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int sample_size; ///< size of one sample all channels included
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const int *samples_per_frame; ///< must be 0-terminated
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const int *samples; ///< current samples per frame, pointer to samples_per_frame
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AVRational time_base; ///< time base of output audio packets
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} AudioInterleaveContext;
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int ff_audio_interleave_init(AVFormatContext *s, const int *samples_per_frame, AVRational time_base);
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void ff_audio_interleave_close(AVFormatContext *s);
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/**
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* Rechunk audio PCM packets per AudioInterleaveContext->samples_per_frame
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* and interleave them correctly.
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* The first element of AVStream->priv_data must be AudioInterleaveContext
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* when using this function.
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*
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* @param get_packet function will output a packet when streams are correctly interleaved.
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* @param compare_ts function will compare AVPackets and decide interleaving order.
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*/
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int ff_audio_rechunk_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush,
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int (*get_packet)(AVFormatContext *, AVPacket *, AVPacket *, int),
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int (*compare_ts)(AVFormatContext *, AVPacket *, AVPacket *));
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#endif /* AVFORMAT_AUDIOINTERLEAVE_H */
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