X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Frawdec.c;h=fb3336d37c004751a45456859fdbbd9a72426911;hb=41ac093f7e315e3af17612f580c387b3688f4f43;hp=e093969414d389fe955211b52db3ea0b0efdf9fa;hpb=4ca31edcfe1ac6b8d48353436fefd1549161cd83;p=ffmpeg diff --git a/libavformat/rawdec.c b/libavformat/rawdec.c index e093969414d..fb3336d37c0 100644 --- a/libavformat/rawdec.c +++ b/libavformat/rawdec.c @@ -3,25 +3,29 @@ * Copyright (c) 2001 Fabrice Bellard * Copyright (c) 2005 Alex Beregszaszi * - * This file is part of FFmpeg. + * This file is part of Libav. * - * FFmpeg is free software; you can redistribute it and/or + * Libav 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, + * Libav 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 + * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "avformat.h" +#include "avio_internal.h" #include "rawdec.h" +#include "libavutil/opt.h" +#include "libavutil/parseutils.h" +#include "libavutil/pixdesc.h" /* raw input */ int ff_raw_read_header(AVFormatContext *s, AVFormatParameters *ap) @@ -29,7 +33,7 @@ int ff_raw_read_header(AVFormatContext *s, AVFormatParameters *ap) AVStream *st; enum CodecID id; - st = av_new_stream(s, 0); + st = avformat_new_stream(s, NULL); if (!st) return AVERROR(ENOMEM); @@ -42,26 +46,51 @@ int ff_raw_read_header(AVFormatContext *s, AVFormatParameters *ap) 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; + case AVMEDIA_TYPE_AUDIO: { + RawAudioDemuxerContext *s1 = s->priv_data; + + st->codec->channels = 1; + + if (id == CODEC_ID_ADPCM_G722) + st->codec->sample_rate = 16000; + + if (s1 && s1->sample_rate) + st->codec->sample_rate = s1->sample_rate; + if (s1 && s1->channels) + st->codec->channels = s1->channels; + 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; + } + case AVMEDIA_TYPE_VIDEO: { + FFRawVideoDemuxerContext *s1 = s->priv_data; + int width = 0, height = 0, ret = 0; + enum PixelFormat pix_fmt; + AVRational framerate; + + if (s1->video_size && (ret = av_parse_video_size(&width, &height, s1->video_size)) < 0) { + av_log(s, AV_LOG_ERROR, "Couldn't parse video size.\n"); + goto fail; + } + if ((pix_fmt = av_get_pix_fmt(s1->pixel_format)) == PIX_FMT_NONE) { + av_log(s, AV_LOG_ERROR, "No such pixel format: %s.\n", s1->pixel_format); + ret = AVERROR(EINVAL); + goto fail; + } + 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; + } + av_set_pts_info(st, 64, framerate.den, framerate.num); + st->codec->width = width; + st->codec->height = height; + st->codec->pix_fmt = pix_fmt; +fail: + return ret; + } default: return -1; } @@ -79,9 +108,9 @@ int ff_raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt) if (av_new_packet(pkt, size) < 0) return AVERROR(ENOMEM); - pkt->pos= url_ftell(s->pb); + pkt->pos= avio_tell(s->pb); pkt->stream_index = 0; - ret = get_partial_buffer(s->pb, pkt->data, size); + ret = ffio_read_partial(s->pb, pkt->data, size); if (ret < 0) { av_free_packet(pkt); return ret; @@ -93,7 +122,7 @@ int ff_raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt) int ff_raw_audio_read_header(AVFormatContext *s, AVFormatParameters *ap) { - AVStream *st = av_new_stream(s, 0); + AVStream *st = avformat_new_stream(s, NULL); if (!st) return AVERROR(ENOMEM); st->codec->codec_type = AVMEDIA_TYPE_AUDIO; @@ -109,70 +138,88 @@ int ff_raw_video_read_header(AVFormatContext *s, AVFormatParameters *ap) { AVStream *st; + FFRawVideoDemuxerContext *s1 = s->priv_data; + AVRational framerate; + int ret = 0; - st = av_new_stream(s, 0); - if (!st) - return AVERROR(ENOMEM); + + 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->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}; + 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 = (AVRational){framerate.den, framerate.num}; av_set_pts_info(st, 64, 1, 1200000); - return 0; +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_G722_DEMUXER +AVInputFormat ff_g722_demuxer = { + .name = "g722", + .long_name = NULL_IF_CONFIG_SMALL("raw G.722"), + .read_header = ff_raw_read_header, + .read_packet = ff_raw_read_partial_packet, + .flags= AVFMT_GENERIC_INDEX, + .extensions = "g722,722", + .value = CODEC_ID_ADPCM_G722, +}; +#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, +AVInputFormat ff_gsm_demuxer = { + .name = "gsm", + .long_name = NULL_IF_CONFIG_SMALL("raw GSM"), + .read_header = ff_raw_audio_read_header, + .read_packet = ff_raw_read_partial_packet, .flags= AVFMT_GENERIC_INDEX, .extensions = "gsm", .value = CODEC_ID_GSM, }; #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, +#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 = "mjpg,mjpeg", - .value = CODEC_ID_MJPEG, + .extensions = "latm", + .value = CODEC_ID_AAC_LATM, }; #endif +#if CONFIG_MJPEG_DEMUXER +FF_DEF_RAWVIDEO_DEMUXER(mjpeg, "raw MJPEG video", NULL, "mjpg,mjpeg", CODEC_ID_MJPEG) +#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, +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", .value = CODEC_ID_MLP, @@ -180,13 +227,11 @@ AVInputFormat mlp_demuxer = { #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, +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", .value = CODEC_ID_TRUEHD, @@ -194,28 +239,17 @@ AVInputFormat truehd_demuxer = { #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, +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", .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, -}; +FF_DEF_RAWVIDEO_DEMUXER(vc1, "raw VC-1", NULL, "vc1", CODEC_ID_VC1) #endif