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buffersrc: accept the frame rate as argument.

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This commit is contained in:
Nicolas George 2012-06-07 20:10:36 +02:00
parent dcaa4efcee
commit 9ca440679d
2 changed files with 8 additions and 2 deletions
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3
doc/filters.texi
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@ -3178,6 +3178,9 @@ name.
@item time_base
Specify the timebase assumed by the timestamps of the buffered frames.
@item time_base
Specify the frame rate expected for the video stream.
@item pixel_aspect
Specify the sample aspect ratio assumed by the video frames.

7
libavfilter/buffersrc.c
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@ -42,6 +42,7 @@ typedef struct {
const AVClass *class;
AVFifoBuffer *fifo;
AVRational time_base; ///< time_base to set in the output link
AVRational frame_rate; ///< frame_rate to set in the output link
unsigned nb_failed_requests;
/* video only */
@ -220,6 +221,7 @@ unsigned av_buffersrc_get_nb_failed_requests(AVFilterContext *buffer_src)
#define V AV_OPT_FLAG_VIDEO_PARAM
static const AVOption video_options[] = {
{ "time_base", NULL, OFFSET(time_base), AV_OPT_TYPE_RATIONAL, { 0 }, 0, INT_MAX, V },
{ "frame_rate", NULL, OFFSET(frame_rate), AV_OPT_TYPE_RATIONAL, { 0 }, 0, INT_MAX, V },
{ "video_size", NULL, OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, .flags = V },
{ "pix_fmt", NULL, OFFSET(pix_fmt), AV_OPT_TYPE_PIXEL_FMT, .flags = V },
{ "pixel_aspect", NULL, OFFSET(pixel_aspect), AV_OPT_TYPE_RATIONAL, { 0 }, 0, INT_MAX, V },
@ -280,9 +282,9 @@ static av_cold int init_video(AVFilterContext *ctx, const char *args, void *opaq
goto fail;
}
av_log(ctx, AV_LOG_INFO, "w:%d h:%d pixfmt:%s tb:%d/%d sar:%d/%d sws_param:%s\n",
av_log(ctx, AV_LOG_INFO, "w:%d h:%d pixfmt:%s tb:%d/%d fr:%d/%d sar:%d/%d sws_param:%s\n",
c->w, c->h, av_pix_fmt_descriptors[c->pix_fmt].name,
c->time_base.num, c->time_base.den,
c->time_base.num, c->time_base.den, c->frame_rate.num, c->frame_rate.den,
c->pixel_aspect.num, c->pixel_aspect.den, (char *)av_x_if_null(c->sws_param, ""));
return 0;
@ -415,6 +417,7 @@ static int config_props(AVFilterLink *link)
}
link->time_base = c->time_base;
link->frame_rate = c->frame_rate;
return 0;
}