/*
  * g722 raw demuxer
  * Copyright (c) 2010 Martin Storsjo
  *

  * 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
  */
 

 #include "libavutil/avassert.h"

 #include "avformat.h"
 #include "internal.h"
 #include "rawdec.h"
 
 static int g722_read_header(AVFormatContext *s)
 {
     AVStream *st;
 
     st = avformat_new_stream(s, NULL);
     if (!st)
         return AVERROR(ENOMEM);
 
     st->codec->codec_type  = AVMEDIA_TYPE_AUDIO;
     st->codec->codec_id    = AV_CODEC_ID_ADPCM_G722;
     st->codec->sample_rate = 16000;
     st->codec->channels    = 1;
 
     st->codec->bits_per_coded_sample =
         av_get_bits_per_sample(st->codec->codec_id);
 

     av_assert0(st->codec->bits_per_coded_sample > 0);

 
     avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
     return 0;
 }
 
 AVInputFormat ff_g722_demuxer = {
     .name           = "g722",
     .long_name      = NULL_IF_CONFIG_SMALL("raw G.722"),
     .read_header    = g722_read_header,
     .read_packet    = ff_raw_read_partial_packet,
     .flags          = AVFMT_GENERIC_INDEX,
     .extensions     = "g722,722",
     .raw_codec_id   = AV_CODEC_ID_ADPCM_G722,
 };