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Diffstat (limited to 'libavformat/audiointerleave.h')
-rw-r--r-- | libavformat/audiointerleave.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/libavformat/audiointerleave.h b/libavformat/audiointerleave.h new file mode 100644 index 0000000000..a50e7a61bf --- /dev/null +++ b/libavformat/audiointerleave.h @@ -0,0 +1,49 @@ +/* + * Audio Interleaving prototypes and declarations + * + * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com> + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVFORMAT_AUDIOINTERLEAVE_H +#define AVFORMAT_AUDIOINTERLEAVE_H + +#include "libavutil/fifo.h" +#include "avformat.h" + +typedef struct { + AVFifoBuffer fifo; + unsigned fifo_size; ///< current fifo size allocated + uint64_t dts; ///< current dts + int sample_size; ///< size of one sample all channels included + const int *samples_per_frame; ///< must be 0 terminated + const int *samples; ///< current samples per frame, pointer to samples_per_frame + AVRational time_base; ///< time base of output audio packets +} AudioInterleaveContext; + +int ff_audio_interleave_init(AVFormatContext *s, const int *samples_per_frame, AVRational time_base); +void ff_audio_interleave_close(AVFormatContext *s); + +int ff_interleave_compare_dts(AVFormatContext *s, AVPacket *next, AVPacket *pkt); +int ff_interleave_new_audio_packet(AVFormatContext *s, AVPacket *pkt, + int stream_index, int flush); +int ff_audio_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush, + int (*get_packet)(AVFormatContext *, AVPacket *, AVPacket *, int), + int (*compare_ts)(AVFormatContext *, AVPacket *, AVPacket *)); + +#endif // AVFORMAT_AUDIOINTERLEAVE_H |