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author | Aurelien Jacobs <aurel@gnuage.org> | 2010-08-30 23:16:35 +0000 |
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committer | Aurelien Jacobs <aurel@gnuage.org> | 2010-08-30 23:16:35 +0000 |
commit | 4ca31edcfe1ac6b8d48353436fefd1549161cd83 (patch) | |
tree | 496d768e31248092a4a8ec8fc9a6fabc34716dfd /libavformat/raw.c | |
parent | 92aa28d29295bf417c5a41687c2b31044dcfab36 (diff) | |
download | ffmpeg-streaming-4ca31edcfe1ac6b8d48353436fefd1549161cd83.zip ffmpeg-streaming-4ca31edcfe1ac6b8d48353436fefd1549161cd83.tar.gz |
split raw.c into rawdec.c and rawenc.c
Originally committed as revision 24997 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat/raw.c')
-rw-r--r-- | libavformat/raw.c | 486 |
1 files changed, 0 insertions, 486 deletions
diff --git a/libavformat/raw.c b/libavformat/raw.c deleted file mode 100644 index 59bcc64..0000000 --- a/libavformat/raw.c +++ /dev/null @@ -1,486 +0,0 @@ -/* - * RAW muxer and demuxer - * 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 "raw.h" - -/* simple formats */ - -#if CONFIG_MUXERS -int ff_raw_write_packet(AVFormatContext *s, AVPacket *pkt) -{ - put_buffer(s->pb, pkt->data, pkt->size); - put_flush_packet(s->pb); - return 0; -} -#endif - -#if CONFIG_DEMUXERS -/* raw input */ -int ff_raw_read_header(AVFormatContext *s, AVFormatParameters *ap) -{ - AVStream *st; - enum CodecID id; - - st = av_new_stream(s, 0); - if (!st) - return AVERROR(ENOMEM); - - id = s->iformat->value; - if (id == CODEC_ID_RAWVIDEO) { - st->codec->codec_type = AVMEDIA_TYPE_VIDEO; - } else { - st->codec->codec_type = AVMEDIA_TYPE_AUDIO; - } - st->codec->codec_id = id; - - switch(st->codec->codec_type) { - case AVMEDIA_TYPE_AUDIO: - st->codec->sample_rate = ap->sample_rate; - if(ap->channels) st->codec->channels = ap->channels; - else st->codec->channels = 1; - st->codec->bits_per_coded_sample = av_get_bits_per_sample(st->codec->codec_id); - assert(st->codec->bits_per_coded_sample > 0); - st->codec->block_align = st->codec->bits_per_coded_sample*st->codec->channels/8; - av_set_pts_info(st, 64, 1, st->codec->sample_rate); - break; - case AVMEDIA_TYPE_VIDEO: - if(ap->time_base.num) - av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den); - else - av_set_pts_info(st, 64, 1, 25); - st->codec->width = ap->width; - st->codec->height = ap->height; - st->codec->pix_fmt = ap->pix_fmt; - if(st->codec->pix_fmt == PIX_FMT_NONE) - st->codec->pix_fmt= PIX_FMT_YUV420P; - break; - default: - return -1; - } - return 0; -} - -#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= url_ftell(s->pb); - pkt->stream_index = 0; - ret = get_partial_buffer(s->pb, pkt->data, size); - if (ret < 0) { - av_free_packet(pkt); - return ret; - } - pkt->size = ret; - return ret; -} - -int ff_raw_audio_read_header(AVFormatContext *s, - AVFormatParameters *ap) -{ - AVStream *st = av_new_stream(s, 0); - if (!st) - return AVERROR(ENOMEM); - st->codec->codec_type = AVMEDIA_TYPE_AUDIO; - st->codec->codec_id = s->iformat->value; - st->need_parsing = AVSTREAM_PARSE_FULL; - /* the parameters will be extracted from the compressed bitstream */ - - return 0; -} - -/* MPEG-1/H.263 input */ -int ff_raw_video_read_header(AVFormatContext *s, - AVFormatParameters *ap) -{ - AVStream *st; - - st = av_new_stream(s, 0); - if (!st) - return AVERROR(ENOMEM); - - st->codec->codec_type = AVMEDIA_TYPE_VIDEO; - st->codec->codec_id = s->iformat->value; - st->need_parsing = AVSTREAM_PARSE_FULL; - - /* for MJPEG, specify frame rate */ - /* for MPEG-4 specify it, too (most MPEG-4 streams do not have the fixed_vop_rate set ...)*/ - if (ap->time_base.num) { - st->codec->time_base= ap->time_base; - } else if ( st->codec->codec_id == CODEC_ID_MJPEG || - st->codec->codec_id == CODEC_ID_MPEG4 || - st->codec->codec_id == CODEC_ID_DIRAC || - st->codec->codec_id == CODEC_ID_DNXHD || - st->codec->codec_id == CODEC_ID_VC1 || - st->codec->codec_id == CODEC_ID_H264) { - st->codec->time_base= (AVRational){1,25}; - } - av_set_pts_info(st, 64, 1, 1200000); - - return 0; -} -#endif - -/* Note: Do not forget to add new entries to the Makefile as well. */ - -#if CONFIG_AC3_MUXER -AVOutputFormat ac3_muxer = { - "ac3", - NULL_IF_CONFIG_SMALL("raw AC-3"), - "audio/x-ac3", - "ac3", - 0, - CODEC_ID_AC3, - CODEC_ID_NONE, - NULL, - ff_raw_write_packet, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif - -#if CONFIG_DIRAC_MUXER -AVOutputFormat dirac_muxer = { - "dirac", - NULL_IF_CONFIG_SMALL("raw Dirac"), - NULL, - "drc", - 0, - CODEC_ID_NONE, - CODEC_ID_DIRAC, - NULL, - ff_raw_write_packet, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif - -#if CONFIG_DNXHD_MUXER -AVOutputFormat dnxhd_muxer = { - "dnxhd", - NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"), - NULL, - "dnxhd", - 0, - CODEC_ID_NONE, - CODEC_ID_DNXHD, - NULL, - ff_raw_write_packet, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif - -#if CONFIG_DTS_MUXER -AVOutputFormat dts_muxer = { - "dts", - NULL_IF_CONFIG_SMALL("raw DTS"), - "audio/x-dca", - "dts", - 0, - CODEC_ID_DTS, - CODEC_ID_NONE, - NULL, - ff_raw_write_packet, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif - -#if CONFIG_EAC3_MUXER -AVOutputFormat eac3_muxer = { - "eac3", - NULL_IF_CONFIG_SMALL("raw E-AC-3"), - "audio/x-eac3", - "eac3", - 0, - CODEC_ID_EAC3, - CODEC_ID_NONE, - NULL, - ff_raw_write_packet, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif - -#if CONFIG_GSM_DEMUXER -AVInputFormat gsm_demuxer = { - "gsm", - NULL_IF_CONFIG_SMALL("raw GSM"), - 0, - NULL, - ff_raw_audio_read_header, - ff_raw_read_partial_packet, - .flags= AVFMT_GENERIC_INDEX, - .extensions = "gsm", - .value = CODEC_ID_GSM, -}; -#endif - -#if CONFIG_H261_MUXER -AVOutputFormat h261_muxer = { - "h261", - NULL_IF_CONFIG_SMALL("raw H.261"), - "video/x-h261", - "h261", - 0, - CODEC_ID_NONE, - CODEC_ID_H261, - NULL, - ff_raw_write_packet, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif - -#if CONFIG_H263_MUXER -AVOutputFormat h263_muxer = { - "h263", - NULL_IF_CONFIG_SMALL("raw H.263"), - "video/x-h263", - "h263", - 0, - CODEC_ID_NONE, - CODEC_ID_H263, - NULL, - ff_raw_write_packet, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif - -#if CONFIG_H264_MUXER -AVOutputFormat h264_muxer = { - "h264", - NULL_IF_CONFIG_SMALL("raw H.264 video format"), - NULL, - "h264", - 0, - CODEC_ID_NONE, - CODEC_ID_H264, - NULL, - ff_raw_write_packet, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif - -#if CONFIG_CAVSVIDEO_MUXER -AVOutputFormat cavsvideo_muxer = { - "cavsvideo", - NULL_IF_CONFIG_SMALL("raw Chinese AVS video"), - NULL, - "cavs", - 0, - CODEC_ID_NONE, - CODEC_ID_CAVS, - NULL, - ff_raw_write_packet, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif - -#if CONFIG_M4V_MUXER -AVOutputFormat m4v_muxer = { - "m4v", - NULL_IF_CONFIG_SMALL("raw MPEG-4 video format"), - NULL, - "m4v", - 0, - CODEC_ID_NONE, - CODEC_ID_MPEG4, - NULL, - ff_raw_write_packet, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif - -#if CONFIG_MJPEG_DEMUXER -AVInputFormat mjpeg_demuxer = { - "mjpeg", - NULL_IF_CONFIG_SMALL("raw MJPEG video"), - 0, - NULL, - ff_raw_video_read_header, - ff_raw_read_partial_packet, - .flags= AVFMT_GENERIC_INDEX, - .extensions = "mjpg,mjpeg", - .value = CODEC_ID_MJPEG, -}; -#endif - -#if CONFIG_MJPEG_MUXER -AVOutputFormat mjpeg_muxer = { - "mjpeg", - NULL_IF_CONFIG_SMALL("raw MJPEG video"), - "video/x-mjpeg", - "mjpg,mjpeg", - 0, - CODEC_ID_NONE, - CODEC_ID_MJPEG, - NULL, - ff_raw_write_packet, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif - -#if CONFIG_MLP_DEMUXER -AVInputFormat mlp_demuxer = { - "mlp", - NULL_IF_CONFIG_SMALL("raw MLP"), - 0, - NULL, - ff_raw_audio_read_header, - ff_raw_read_partial_packet, - .flags= AVFMT_GENERIC_INDEX, - .extensions = "mlp", - .value = CODEC_ID_MLP, -}; -#endif - -#if CONFIG_MLP_MUXER -AVOutputFormat mlp_muxer = { - "mlp", - NULL_IF_CONFIG_SMALL("raw MLP"), - NULL, - "mlp", - 0, - CODEC_ID_MLP, - CODEC_ID_NONE, - NULL, - ff_raw_write_packet, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif - -#if CONFIG_SRT_MUXER -AVOutputFormat srt_muxer = { - .name = "srt", - .long_name = NULL_IF_CONFIG_SMALL("SubRip subtitle format"), - .mime_type = "application/x-subrip", - .extensions = "srt", - .write_packet = ff_raw_write_packet, - .flags = AVFMT_NOTIMESTAMPS, - .subtitle_codec = CODEC_ID_SRT, -}; -#endif - -#if CONFIG_TRUEHD_DEMUXER -AVInputFormat truehd_demuxer = { - "truehd", - NULL_IF_CONFIG_SMALL("raw TrueHD"), - 0, - NULL, - ff_raw_audio_read_header, - ff_raw_read_partial_packet, - .flags= AVFMT_GENERIC_INDEX, - .extensions = "thd", - .value = CODEC_ID_TRUEHD, -}; -#endif - -#if CONFIG_TRUEHD_MUXER -AVOutputFormat truehd_muxer = { - "truehd", - NULL_IF_CONFIG_SMALL("raw TrueHD"), - NULL, - "thd", - 0, - CODEC_ID_TRUEHD, - CODEC_ID_NONE, - NULL, - ff_raw_write_packet, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif - -#if CONFIG_MPEG1VIDEO_MUXER -AVOutputFormat mpeg1video_muxer = { - "mpeg1video", - NULL_IF_CONFIG_SMALL("raw MPEG-1 video"), - "video/x-mpeg", - "mpg,mpeg,m1v", - 0, - CODEC_ID_NONE, - CODEC_ID_MPEG1VIDEO, - NULL, - ff_raw_write_packet, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif - -#if CONFIG_MPEG2VIDEO_MUXER -AVOutputFormat mpeg2video_muxer = { - "mpeg2video", - NULL_IF_CONFIG_SMALL("raw MPEG-2 video"), - NULL, - "m2v", - 0, - CODEC_ID_NONE, - CODEC_ID_MPEG2VIDEO, - NULL, - ff_raw_write_packet, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif - -#if CONFIG_RAWVIDEO_MUXER -AVOutputFormat rawvideo_muxer = { - "rawvideo", - NULL_IF_CONFIG_SMALL("raw video format"), - NULL, - "yuv,rgb", - 0, - CODEC_ID_NONE, - CODEC_ID_RAWVIDEO, - NULL, - ff_raw_write_packet, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif - -#if CONFIG_SHORTEN_DEMUXER -AVInputFormat shorten_demuxer = { - "shn", - NULL_IF_CONFIG_SMALL("raw Shorten"), - 0, - NULL, - ff_raw_audio_read_header, - ff_raw_read_partial_packet, - .flags= AVFMT_GENERIC_INDEX, - .extensions = "shn", - .value = CODEC_ID_SHORTEN, -}; -#endif - -#if CONFIG_VC1_DEMUXER -AVInputFormat vc1_demuxer = { - "vc1", - NULL_IF_CONFIG_SMALL("raw VC-1"), - 0, - NULL /* vc1_probe */, - ff_raw_video_read_header, - ff_raw_read_partial_packet, - .extensions = "vc1", - .value = CODEC_ID_VC1, -}; -#endif |