libavformat/iamf_reader.h

   1 /*
   2  * Immersive Audio Model and Formats demuxing utils
   3  * Copyright (c) 2024 James Almer <jamrial@gmail.com>
   4  *
   5  * This file is part of FFmpeg.
   6  *
   7  * FFmpeg is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * FFmpeg is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with FFmpeg; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21
  22 #ifndef AVFORMAT_IAMF_READER_H
  23 #define AVFORMAT_IAMF_READER_H
  24
  25 #include <stdint.h>
  26
  27 #include "libavcodec/packet.h"
  28 #include "avformat.h"
  29 #include "avio.h"
  30 #include "iamf.h"
  31
  32 typedef struct IAMFDemuxContext {
  33     IAMFContext iamf;
  34
  35     // Packet side data
  36     AVIAMFParamDefinition *mix;
  37     size_t mix_size;
  38     AVIAMFParamDefinition *demix;
  39     size_t demix_size;
  40     AVIAMFParamDefinition *recon;
  41     size_t recon_size;
  42 } IAMFDemuxContext;
  43
  44 int ff_iamf_read_packet(AVFormatContext *s, IAMFDemuxContext *c,
  45                         AVIOContext *pb, int max_size, int stream_id_offset, AVPacket *pkt);
  46
  47 void ff_iamf_read_deinit(IAMFDemuxContext *c);
  48
  49 #endif /* AVFORMAT_IAMF_READER_H */