From: Limin Wang <lance.lmw...@gmail.com>
Signed-off-by: Limin Wang <lance.lmw...@gmail.com>
---
libavformat/rtpdec_rfc4175.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/libavformat/rtpdec_rfc4175.c b/libavformat/rtpdec_rfc4175.c
index 46d30ed..367567d 100644
--- a/libavformat/rtpdec_rfc4175.c
+++ b/libavformat/rtpdec_rfc4175.c
@@ -25,9 +25,11 @@
#include "rtpdec_formats.h"
#include "libavutil/avstring.h"
#include "libavutil/pixdesc.h"
+#include "libavutil/parseutils.h"
struct PayloadContext {
char *sampling;
+ char *framerate;
int depth;
int width;
int height;
@@ -45,6 +47,7 @@ static int rfc4175_parse_format(AVStream *stream,
PayloadContext *data)
enum AVPixelFormat pixfmt;
int tag;
const AVPixFmtDescriptor *desc;
+ AVRational framerate;
if (!strncmp(data->sampling, "YCbCr-4:2:2", 11)) {
tag = MKTAG('U', 'Y', 'V', 'Y');
@@ -69,6 +72,14 @@ 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) {
+ if (av_parse_video_rate(&framerate, data->framerate) < 0)
+ return AVERROR(EINVAL);
+ stream->avg_frame_rate = framerate;
+ if (framerate.den)
+ stream->codecpar->bit_rate = data->frame_size * av_q2d(framerate)
* 8;
+ }
+
return 0;
}
@@ -84,6 +95,8 @@ 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))
+ data->framerate = av_strdup(value);
return 0;
}
@@ -112,6 +125,7 @@ static int rfc4175_parse_sdp_line(AVFormatContext *s, int
st_index,
ret = rfc4175_parse_format(stream, data);
av_freep(&data->sampling);
+ av_freep(&data->framerate);
return ret;
}
--
1.8.3.1
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