diff options
Diffstat (limited to 'ffmpeg1/libavformat/rawdec.c')
| -rw-r--r-- | ffmpeg1/libavformat/rawdec.c | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/ffmpeg1/libavformat/rawdec.c b/ffmpeg1/libavformat/rawdec.c deleted file mode 100644 index 07c2782..0000000 --- a/ffmpeg1/libavformat/rawdec.c +++ /dev/null @@ -1,162 +0,0 @@ -/* - * RAW demuxers - * Copyright (c) 2001 Fabrice Bellard - * Copyright (c) 2005 Alex Beregszaszi - * - * 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 "avformat.h" -#include "internal.h" -#include "avio_internal.h" -#include "rawdec.h" -#include "libavutil/opt.h" -#include "libavutil/parseutils.h" -#include "libavutil/pixdesc.h" -#include "libavutil/avassert.h" - -#define RAW_PACKET_SIZE 1024 - -int ff_raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt) -{ - int ret, size; - - size = RAW_PACKET_SIZE; - - if (av_new_packet(pkt, size) < 0) - return AVERROR(ENOMEM); - - pkt->pos= avio_tell(s->pb); - pkt->stream_index = 0; - ret = ffio_read_partial(s->pb, pkt->data, size); - if (ret < 0) { - av_free_packet(pkt); - return ret; - } - av_shrink_packet(pkt, ret); - return ret; -} - -int ff_raw_audio_read_header(AVFormatContext *s) -{ - AVStream *st = avformat_new_stream(s, NULL); - if (!st) - return AVERROR(ENOMEM); - st->codec->codec_type = AVMEDIA_TYPE_AUDIO; - st->codec->codec_id = s->iformat->raw_codec_id; - st->need_parsing = AVSTREAM_PARSE_FULL_RAW; - st->start_time = 0; - /* the parameters will be extracted from the compressed bitstream */ - - return 0; -} - -/* MPEG-1/H.263 input */ -int ff_raw_video_read_header(AVFormatContext *s) -{ - AVStream *st; - FFRawVideoDemuxerContext *s1 = s->priv_data; - AVRational framerate; - int ret = 0; - - - st = avformat_new_stream(s, NULL); - if (!st) { - ret = AVERROR(ENOMEM); - goto fail; - } - - st->codec->codec_type = AVMEDIA_TYPE_VIDEO; - st->codec->codec_id = s->iformat->raw_codec_id; - st->need_parsing = AVSTREAM_PARSE_FULL_RAW; - - if ((ret = av_parse_video_rate(&framerate, s1->framerate)) < 0) { - av_log(s, AV_LOG_ERROR, "Could not parse framerate: %s.\n", s1->framerate); - goto fail; - } - - st->codec->time_base = av_inv_q(framerate); - avpriv_set_pts_info(st, 64, 1, 1200000); - -fail: - return ret; -} - -/* Note: Do not forget to add new entries to the Makefile as well. */ - -#define OFFSET(x) offsetof(FFRawVideoDemuxerContext, x) -#define DEC AV_OPT_FLAG_DECODING_PARAM -const AVOption ff_rawvideo_options[] = { - { "framerate", "", OFFSET(framerate), AV_OPT_TYPE_STRING, {.str = "25"}, 0, 0, DEC}, - { NULL }, -}; - -#if CONFIG_LATM_DEMUXER -AVInputFormat ff_latm_demuxer = { - .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", - .raw_codec_id = AV_CODEC_ID_AAC_LATM, -}; -#endif - -#if CONFIG_MJPEG_DEMUXER -FF_DEF_RAWVIDEO_DEMUXER(mjpeg, "raw MJPEG video", NULL, "mjpg,mjpeg,mpo", AV_CODEC_ID_MJPEG) -#endif - -#if CONFIG_MLP_DEMUXER -AVInputFormat ff_mlp_demuxer = { - .name = "mlp", - .long_name = NULL_IF_CONFIG_SMALL("raw MLP"), - .read_header = ff_raw_audio_read_header, - .read_packet = ff_raw_read_partial_packet, - .flags = AVFMT_GENERIC_INDEX, - .extensions = "mlp", - .raw_codec_id = AV_CODEC_ID_MLP, -}; -#endif - -#if CONFIG_TRUEHD_DEMUXER -AVInputFormat ff_truehd_demuxer = { - .name = "truehd", - .long_name = NULL_IF_CONFIG_SMALL("raw TrueHD"), - .read_header = ff_raw_audio_read_header, - .read_packet = ff_raw_read_partial_packet, - .flags = AVFMT_GENERIC_INDEX, - .extensions = "thd", - .raw_codec_id = AV_CODEC_ID_TRUEHD, -}; -#endif - -#if CONFIG_SHORTEN_DEMUXER -AVInputFormat ff_shorten_demuxer = { - .name = "shn", - .long_name = NULL_IF_CONFIG_SMALL("raw Shorten"), - .read_header = ff_raw_audio_read_header, - .read_packet = ff_raw_read_partial_packet, - .flags = AVFMT_NOBINSEARCH | AVFMT_NOGENSEARCH | AVFMT_NO_BYTE_SEEK, - .extensions = "shn", - .raw_codec_id = AV_CODEC_ID_SHORTEN, -}; -#endif - -#if CONFIG_VC1_DEMUXER -FF_DEF_RAWVIDEO_DEMUXER(vc1, "raw VC-1", NULL, "vc1", AV_CODEC_ID_VC1) -#endif |