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avformat/rtpdec_rfc4175: add support for exactframerate 

Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
This commit is contained in:
Limin Wang 2021-10-11 23:37:17 +08:00
parent 84c73102d9
commit b07437f956
1 changed files with 11 additions and 0 deletions
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11
libavformat/rtpdec_rfc4175.c
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@ -25,9 +25,11 @@
#include "rtpdec_formats.h"
#include "libavutil/avstring.h"
#include "libavutil/pixdesc.h"
#include "libavutil/parseutils.h"
struct PayloadContext {
char *sampling;
AVRational framerate;
int depth;
int width;
int height;
@ -69,6 +71,11 @@ static int rfc4175_parse_format(AVStream *stream, PayloadContext *data)
stream->codecpar->bits_per_coded_sample = av_get_bits_per_pixel(desc);
data->frame_size = data->width * data->height * data->pgroup / data->xinc;
if (data->framerate.den > 0) {
stream->avg_frame_rate = data->framerate;
stream->codecpar->bit_rate = data->frame_size * av_q2d(data->framerate) * 8;
}
return 0;
}
@ -84,6 +91,10 @@ static int rfc4175_parse_fmtp(AVFormatContext *s, AVStream *stream,
data->sampling = av_strdup(value);
else if (!strncmp(attr, "depth", 5))
data->depth = atoi(value);
else if (!strncmp(attr, "exactframerate", 14)) {
if (av_parse_video_rate(&data->framerate, value) < 0)
return AVERROR(EINVAL);
}
return 0;
}