2005-12-17 18:14:38 +00:00
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/*
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2010-08-30 23:16:35 +00:00
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* RAW demuxers
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2009-01-19 15:46:40 +00:00
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* Copyright (c) 2001 Fabrice Bellard
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2005-10-29 00:52:02 +00:00
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* Copyright (c) 2005 Alex Beregszaszi
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2001-07-22 14:18:56 +00:00
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*
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2011-03-18 17:35:10 +00:00
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* This file is part of Libav.
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2006-10-07 15:30:46 +00:00
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*
|
2011-03-18 17:35:10 +00:00
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* Libav is free software; you can redistribute it and/or
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2002-05-25 22:34:32 +00:00
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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
|
2006-10-07 15:30:46 +00:00
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* version 2.1 of the License, or (at your option) any later version.
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2001-07-22 14:18:56 +00:00
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*
|
2011-03-18 17:35:10 +00:00
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* Libav is distributed in the hope that it will be useful,
|
2001-07-22 14:18:56 +00:00
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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2002-05-25 22:34:32 +00:00
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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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2001-07-22 14:18:56 +00:00
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*
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2002-05-25 22:34:32 +00:00
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* You should have received a copy of the GNU Lesser General Public
|
2011-03-18 17:35:10 +00:00
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* License along with Libav; if not, write to the Free Software
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2006-01-12 22:43:26 +00:00
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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2001-07-22 14:18:56 +00:00
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*/
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2008-05-09 11:56:36 +00:00
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2001-07-22 14:18:56 +00:00
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#include "avformat.h"
|
2011-11-29 18:28:15 +00:00
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#include "internal.h"
|
2011-02-21 18:28:16 +00:00
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#include "avio_internal.h"
|
2010-08-30 23:16:35 +00:00
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#include "rawdec.h"
|
2011-05-23 18:05:55 +00:00
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#include "libavutil/opt.h"
|
2011-05-24 05:43:01 +00:00
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#include "libavutil/parseutils.h"
|
2011-05-24 07:02:11 +00:00
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#include "libavutil/pixdesc.h"
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2001-07-22 14:18:56 +00:00
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/* raw input */
|
2012-01-12 12:20:36 +00:00
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int ff_raw_read_header(AVFormatContext *s)
|
2001-07-22 14:18:56 +00:00
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|
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{
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AVStream *st;
|
2009-11-08 23:48:15 +00:00
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enum CodecID id;
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2001-07-22 14:18:56 +00:00
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|
2011-06-18 09:43:24 +00:00
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st = avformat_new_stream(s, NULL);
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2001-07-22 14:18:56 +00:00
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if (!st)
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2007-07-19 15:21:30 +00:00
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return AVERROR(ENOMEM);
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2006-03-11 00:22:21 +00:00
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|
2012-01-31 06:50:31 +00:00
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id = s->iformat->raw_codec_id;
|
2002-05-20 16:31:13 +00:00
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if (id == CODEC_ID_RAWVIDEO) {
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2010-03-30 23:30:55 +00:00
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st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
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2001-07-22 14:18:56 +00:00
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} else {
|
2010-03-30 23:30:55 +00:00
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st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
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2001-07-22 14:18:56 +00:00
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}
|
2005-07-17 22:24:36 +00:00
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st->codec->codec_id = id;
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2002-05-20 16:31:13 +00:00
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2005-07-17 22:24:36 +00:00
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switch(st->codec->codec_type) {
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2011-05-23 18:05:55 +00:00
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case AVMEDIA_TYPE_AUDIO: {
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RawAudioDemuxerContext *s1 = s->priv_data;
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|
2011-07-17 05:45:33 +00:00
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st->codec->channels = 1;
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2011-05-23 18:05:55 +00:00
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2011-09-14 06:55:27 +00:00
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if (id == CODEC_ID_ADPCM_G722)
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st->codec->sample_rate = 16000;
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if (s1 && s1->sample_rate)
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2011-05-23 18:05:55 +00:00
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st->codec->sample_rate = s1->sample_rate;
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2011-09-14 06:55:27 +00:00
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if (s1 && s1->channels)
|
2011-05-23 18:05:55 +00:00
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st->codec->channels = s1->channels;
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|
2009-04-12 00:25:37 +00:00
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st->codec->bits_per_coded_sample = av_get_bits_per_sample(st->codec->codec_id);
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assert(st->codec->bits_per_coded_sample > 0);
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st->codec->block_align = st->codec->bits_per_coded_sample*st->codec->channels/8;
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2011-11-29 18:28:15 +00:00
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avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
|
2001-07-22 14:18:56 +00:00
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break;
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2011-05-23 18:05:55 +00:00
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}
|
2011-05-24 05:43:01 +00:00
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case AVMEDIA_TYPE_VIDEO: {
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FFRawVideoDemuxerContext *s1 = s->priv_data;
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2011-06-03 11:40:54 +00:00
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int width = 0, height = 0, ret = 0;
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2011-05-24 07:02:11 +00:00
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enum PixelFormat pix_fmt;
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2011-06-03 12:13:14 +00:00
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AVRational framerate;
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2011-05-24 07:02:11 +00:00
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if (s1->video_size && (ret = av_parse_video_size(&width, &height, s1->video_size)) < 0) {
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av_log(s, AV_LOG_ERROR, "Couldn't parse video size.\n");
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goto fail;
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}
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if ((pix_fmt = av_get_pix_fmt(s1->pixel_format)) == PIX_FMT_NONE) {
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av_log(s, AV_LOG_ERROR, "No such pixel format: %s.\n", s1->pixel_format);
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ret = AVERROR(EINVAL);
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goto fail;
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2011-05-24 05:43:01 +00:00
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}
|
2011-06-03 12:13:14 +00:00
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if ((ret = av_parse_video_rate(&framerate, s1->framerate)) < 0) {
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av_log(s, AV_LOG_ERROR, "Could not parse framerate: %s.\n", s1->framerate);
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goto fail;
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}
|
2011-11-29 18:28:15 +00:00
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avpriv_set_pts_info(st, 64, framerate.den, framerate.num);
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2011-05-24 05:43:01 +00:00
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st->codec->width = width;
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st->codec->height = height;
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2011-05-24 07:02:11 +00:00
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st->codec->pix_fmt = pix_fmt;
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fail:
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return ret;
|
2011-05-24 05:43:01 +00:00
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}
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2001-07-22 14:18:56 +00:00
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default:
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2001-08-15 13:06:33 +00:00
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return -1;
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2001-07-22 14:18:56 +00:00
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}
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return 0;
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}
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2001-09-15 22:44:44 +00:00
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#define RAW_PACKET_SIZE 1024
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2001-07-22 14:18:56 +00:00
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|
2009-02-28 17:24:46 +00:00
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int ff_raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt)
|
2004-03-15 03:29:32 +00:00
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{
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int ret, size;
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size = RAW_PACKET_SIZE;
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if (av_new_packet(pkt, size) < 0)
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2009-10-01 16:10:09 +00:00
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return AVERROR(ENOMEM);
|
2005-12-17 18:14:38 +00:00
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|
2011-03-03 19:11:45 +00:00
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pkt->pos= avio_tell(s->pb);
|
2004-03-15 03:29:32 +00:00
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pkt->stream_index = 0;
|
2011-02-21 18:28:16 +00:00
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ret = ffio_read_partial(s->pb, pkt->data, size);
|
2009-10-02 06:40:50 +00:00
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if (ret < 0) {
|
2004-03-15 03:29:32 +00:00
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av_free_packet(pkt);
|
2009-10-02 06:40:50 +00:00
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return ret;
|
2004-03-15 03:29:32 +00:00
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}
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pkt->size = ret;
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return ret;
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}
|
2008-07-07 11:11:08 +00:00
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|
2012-01-12 12:20:36 +00:00
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int ff_raw_audio_read_header(AVFormatContext *s)
|
2006-02-08 00:51:55 +00:00
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{
|
2011-06-18 09:43:24 +00:00
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AVStream *st = avformat_new_stream(s, NULL);
|
2006-02-08 00:51:55 +00:00
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if (!st)
|
2007-07-19 15:21:30 +00:00
|
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|
return AVERROR(ENOMEM);
|
2010-03-30 23:30:55 +00:00
|
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st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
|
2012-01-31 06:50:31 +00:00
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st->codec->codec_id = s->iformat->raw_codec_id;
|
2007-04-15 13:51:57 +00:00
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st->need_parsing = AVSTREAM_PARSE_FULL;
|
2011-12-28 05:50:32 +00:00
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st->start_time = 0;
|
2006-02-08 00:51:55 +00:00
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/* the parameters will be extracted from the compressed bitstream */
|
2009-01-25 00:16:27 +00:00
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|
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|
2006-02-08 00:51:55 +00:00
|
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return 0;
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|
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}
|
|
|
|
|
2008-08-15 16:33:12 +00:00
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/* MPEG-1/H.263 input */
|
2012-01-12 12:20:36 +00:00
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int ff_raw_video_read_header(AVFormatContext *s)
|
2001-07-22 14:18:56 +00:00
|
|
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{
|
|
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AVStream *st;
|
2011-06-03 12:13:14 +00:00
|
|
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FFRawVideoDemuxerContext *s1 = s->priv_data;
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|
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AVRational framerate;
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|
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int ret = 0;
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|
|
|
|
2001-07-22 14:18:56 +00:00
|
|
|
|
2011-06-18 09:43:24 +00:00
|
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st = avformat_new_stream(s, NULL);
|
2011-06-03 12:13:14 +00:00
|
|
|
if (!st) {
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|
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ret = AVERROR(ENOMEM);
|
|
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|
goto fail;
|
|
|
|
}
|
2001-07-22 14:18:56 +00:00
|
|
|
|
2010-03-30 23:30:55 +00:00
|
|
|
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
|
2012-01-31 06:50:31 +00:00
|
|
|
st->codec->codec_id = s->iformat->raw_codec_id;
|
2007-04-15 13:51:57 +00:00
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|
|
st->need_parsing = AVSTREAM_PARSE_FULL;
|
2003-11-10 18:41:45 +00:00
|
|
|
|
2011-06-03 12:13:14 +00:00
|
|
|
if ((ret = av_parse_video_rate(&framerate, s1->framerate)) < 0) {
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|
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av_log(s, AV_LOG_ERROR, "Could not parse framerate: %s.\n", s1->framerate);
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|
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goto fail;
|
2001-08-15 13:06:33 +00:00
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|
}
|
2011-06-03 12:13:14 +00:00
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|
|
2011-12-10 11:40:05 +00:00
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st->r_frame_rate = st->avg_frame_rate = framerate;
|
2012-02-07 07:13:05 +00:00
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avpriv_set_pts_info(st, 64, framerate.den, framerate.num);
|
2005-05-06 14:19:17 +00:00
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|
2011-06-03 12:13:14 +00:00
|
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fail:
|
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return ret;
|
2001-07-22 14:18:56 +00:00
|
|
|
}
|
|
|
|
|
2008-07-07 10:45:36 +00:00
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/* Note: Do not forget to add new entries to the Makefile as well. */
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|
|
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|
2011-05-24 05:43:01 +00:00
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#define OFFSET(x) offsetof(FFRawVideoDemuxerContext, x)
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|
|
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#define DEC AV_OPT_FLAG_DECODING_PARAM
|
2011-09-14 12:03:55 +00:00
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const AVOption ff_rawvideo_options[] = {
|
2011-10-04 05:38:01 +00:00
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{ "framerate", "", OFFSET(framerate), AV_OPT_TYPE_STRING, {.str = "25"}, 0, 0, DEC},
|
2011-05-24 05:43:01 +00:00
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{ NULL },
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};
|
|
|
|
|
2010-09-09 19:27:41 +00:00
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#if CONFIG_G722_DEMUXER
|
2011-01-25 22:03:28 +00:00
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AVInputFormat ff_g722_demuxer = {
|
2011-07-16 20:18:12 +00:00
|
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.name = "g722",
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.long_name = NULL_IF_CONFIG_SMALL("raw G.722"),
|
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.read_header = ff_raw_read_header,
|
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.read_packet = ff_raw_read_partial_packet,
|
2010-09-09 19:27:41 +00:00
|
|
|
.flags= AVFMT_GENERIC_INDEX,
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|
|
.extensions = "g722,722",
|
2012-01-31 06:50:31 +00:00
|
|
|
.raw_codec_id = CODEC_ID_ADPCM_G722,
|
2010-09-09 19:27:41 +00:00
|
|
|
};
|
|
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#endif
|
|
|
|
|
2011-09-06 20:08:29 +00:00
|
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|
#if CONFIG_LATM_DEMUXER
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|
|
|
AVInputFormat ff_latm_demuxer = {
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|
|
|
.name = "latm",
|
|
|
|
.long_name = NULL_IF_CONFIG_SMALL("raw LOAS/LATM"),
|
|
|
|
.read_header = ff_raw_audio_read_header,
|
|
|
|
.read_packet = ff_raw_read_partial_packet,
|
|
|
|
.flags= AVFMT_GENERIC_INDEX,
|
|
|
|
.extensions = "latm",
|
2012-01-31 06:50:31 +00:00
|
|
|
.raw_codec_id = CODEC_ID_AAC_LATM,
|
2011-09-06 20:08:29 +00:00
|
|
|
};
|
|
|
|
#endif
|
|
|
|
|
2009-01-13 23:44:16 +00:00
|
|
|
#if CONFIG_MJPEG_DEMUXER
|
2011-05-25 06:14:13 +00:00
|
|
|
FF_DEF_RAWVIDEO_DEMUXER(mjpeg, "raw MJPEG video", NULL, "mjpg,mjpeg", CODEC_ID_MJPEG)
|
2008-08-15 17:28:20 +00:00
|
|
|
#endif
|
2003-04-04 14:42:28 +00:00
|
|
|
|
2009-01-13 23:44:16 +00:00
|
|
|
#if CONFIG_MLP_DEMUXER
|
2011-01-25 22:03:28 +00:00
|
|
|
AVInputFormat ff_mlp_demuxer = {
|
2011-07-16 20:18:12 +00:00
|
|
|
.name = "mlp",
|
|
|
|
.long_name = NULL_IF_CONFIG_SMALL("raw MLP"),
|
|
|
|
.read_header = ff_raw_audio_read_header,
|
|
|
|
.read_packet = ff_raw_read_partial_packet,
|
2007-02-05 23:04:48 +00:00
|
|
|
.flags= AVFMT_GENERIC_INDEX,
|
2008-07-07 11:11:08 +00:00
|
|
|
.extensions = "mlp",
|
2012-01-31 06:50:31 +00:00
|
|
|
.raw_codec_id = CODEC_ID_MLP,
|
2001-07-22 14:18:56 +00:00
|
|
|
};
|
2008-08-15 17:28:20 +00:00
|
|
|
#endif
|
2001-07-22 14:18:56 +00:00
|
|
|
|
2009-03-19 21:46:56 +00:00
|
|
|
#if CONFIG_TRUEHD_DEMUXER
|
2011-01-25 22:03:28 +00:00
|
|
|
AVInputFormat ff_truehd_demuxer = {
|
2011-07-16 20:18:12 +00:00
|
|
|
.name = "truehd",
|
|
|
|
.long_name = NULL_IF_CONFIG_SMALL("raw TrueHD"),
|
|
|
|
.read_header = ff_raw_audio_read_header,
|
|
|
|
.read_packet = ff_raw_read_partial_packet,
|
2009-03-19 21:46:56 +00:00
|
|
|
.flags= AVFMT_GENERIC_INDEX,
|
|
|
|
.extensions = "thd",
|
2012-01-31 06:50:31 +00:00
|
|
|
.raw_codec_id = CODEC_ID_TRUEHD,
|
2009-03-19 21:46:56 +00:00
|
|
|
};
|
|
|
|
#endif
|
|
|
|
|
2009-01-13 23:44:16 +00:00
|
|
|
#if CONFIG_SHORTEN_DEMUXER
|
2011-01-25 22:03:28 +00:00
|
|
|
AVInputFormat ff_shorten_demuxer = {
|
2011-07-16 20:18:12 +00:00
|
|
|
.name = "shn",
|
|
|
|
.long_name = NULL_IF_CONFIG_SMALL("raw Shorten"),
|
|
|
|
.read_header = ff_raw_audio_read_header,
|
|
|
|
.read_packet = ff_raw_read_partial_packet,
|
2011-10-02 16:03:22 +00:00
|
|
|
.flags = AVFMT_NOBINSEARCH | AVFMT_NOGENSEARCH | AVFMT_NO_BYTE_SEEK,
|
2008-07-07 11:11:08 +00:00
|
|
|
.extensions = "shn",
|
2012-01-31 06:50:31 +00:00
|
|
|
.raw_codec_id = CODEC_ID_SHORTEN,
|
2008-07-07 11:11:08 +00:00
|
|
|
};
|
2008-08-15 17:28:20 +00:00
|
|
|
#endif
|
2008-07-07 11:11:08 +00:00
|
|
|
|
2009-01-13 23:44:16 +00:00
|
|
|
#if CONFIG_VC1_DEMUXER
|
2011-05-25 06:14:13 +00:00
|
|
|
FF_DEF_RAWVIDEO_DEMUXER(vc1, "raw VC-1", NULL, "vc1", CODEC_ID_VC1)
|
2008-08-15 17:28:20 +00:00
|
|
|
#endif
|