3 * Copyright (c) 2010 Martin Storsjo
5 * This file is part of Libav.
7 * Libav 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.
12 * Libav 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.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 static int g722_read_header(AVFormatContext *s)
30 st = avformat_new_stream(s, NULL);
32 return AVERROR(ENOMEM);
34 st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
35 st->codec->codec_id = AV_CODEC_ID_ADPCM_G722;
36 st->codec->sample_rate = 16000;
37 st->codec->channels = 1;
39 st->codec->bits_per_coded_sample =
40 av_get_bits_per_sample(st->codec->codec_id);
42 assert(st->codec->bits_per_coded_sample > 0);
44 avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
48 AVInputFormat ff_g722_demuxer = {
50 .long_name = NULL_IF_CONFIG_SMALL("raw G.722"),
51 .read_header = g722_read_header,
52 .read_packet = ff_raw_read_partial_packet,
53 .flags = AVFMT_GENERIC_INDEX,
54 .extensions = "g722,722",
55 .raw_codec_id = AV_CODEC_ID_ADPCM_G722,