#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)
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 (s1->sample_rate)
+ st->codec->sample_rate = s1->sample_rate;
+ if (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;
}
st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
st->codec->codec_id = s->iformat->value;
st->need_parsing = AVSTREAM_PARSE_FULL;
+ st->start_time = 0;
/* the parameters will be extracted from the compressed bitstream */
return 0;
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);
+ 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. */
+static const AVOption audio_options[] = {
+ { "sample_rate", "", offsetof(RawAudioDemuxerContext, sample_rate), FF_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM },
+ { "channels", "", offsetof(RawAudioDemuxerContext, channels), FF_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM },
+ { NULL },
+};
+
+const AVClass ff_rawaudio_demuxer_class = {
+ .class_name = "rawaudio demuxer",
+ .item_name = av_default_item_name,
+ .option = audio_options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+#define OFFSET(x) offsetof(FFRawVideoDemuxerContext, x)
+#define DEC AV_OPT_FLAG_DECODING_PARAM
+static const AVOption video_options[] = {
+ { "video_size", "A string describing frame size, such as 640x480 or hd720.", OFFSET(video_size), FF_OPT_TYPE_STRING, {.str = NULL}, 0, 0, DEC },
+ { "pixel_format", "", OFFSET(pixel_format), FF_OPT_TYPE_STRING, {.str = "yuv420p"}, 0, 0, DEC },
+ { "framerate", "", OFFSET(framerate), FF_OPT_TYPE_STRING, {.str = "25"}, 0, 0, DEC },
+ { NULL },
+};
+#undef OFFSET
+#undef DEC
+
+const AVClass ff_rawvideo_demuxer_class = {
+ .class_name = "rawvideo demuxer",
+ .item_name = av_default_item_name,
+ .option = video_options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
#if CONFIG_G722_DEMUXER
AVInputFormat ff_g722_demuxer = {
- "g722",
- NULL_IF_CONFIG_SMALL("raw G.722"),
- 0,
- NULL,
- ff_raw_read_header,
- ff_raw_read_partial_packet,
+ .name = "g722",
+ .long_name = NULL_IF_CONFIG_SMALL("raw G.722"),
+ .priv_data_size = sizeof(RawAudioDemuxerContext),
+ .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,
+ .priv_class = &ff_rawaudio_demuxer_class,
};
#endif
#if CONFIG_GSM_DEMUXER
AVInputFormat ff_gsm_demuxer = {
- "gsm",
- NULL_IF_CONFIG_SMALL("raw GSM"),
- 0,
- NULL,
- ff_raw_audio_read_header,
- ff_raw_read_partial_packet,
+ .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 ff_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,
-};
+FF_DEF_RAWVIDEO_DEMUXER(mjpeg, "raw MJPEG video", NULL, "mjpg,mjpeg", CODEC_ID_MJPEG)
#endif
#if CONFIG_MLP_DEMUXER
AVInputFormat ff_mlp_demuxer = {
- "mlp",
- NULL_IF_CONFIG_SMALL("raw MLP"),
- 0,
- NULL,
- ff_raw_audio_read_header,
- ff_raw_read_partial_packet,
+ .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,
#if CONFIG_TRUEHD_DEMUXER
AVInputFormat ff_truehd_demuxer = {
- "truehd",
- NULL_IF_CONFIG_SMALL("raw TrueHD"),
- 0,
- NULL,
- ff_raw_audio_read_header,
- ff_raw_read_partial_packet,
+ .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,
#if CONFIG_SHORTEN_DEMUXER
AVInputFormat ff_shorten_demuxer = {
- "shn",
- NULL_IF_CONFIG_SMALL("raw Shorten"),
- 0,
- NULL,
- ff_raw_audio_read_header,
- ff_raw_read_partial_packet,
+ .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_GENERIC_INDEX,
.extensions = "shn",
.value = CODEC_ID_SHORTEN,
#endif
#if CONFIG_VC1_DEMUXER
-AVInputFormat ff_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
projects / ffmpeg / blobdiff