lance.lmw...@gmail.com:
> 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;
> }
>
Why the (unchecked!) allocation of a temporary string if you only want
the number anyway?
- Andreas
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
