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lavfi: add a frame_rate field to AVFilterLink.

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This commit is contained in:
Nicolas George 2012-06-05 12:32:57 +02:00
parent 04e2ac4749
commit 7b42036b3b
2 changed files with 15 additions and 0 deletions
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3
libavfilter/avfilter.c
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@ -243,6 +243,9 @@ int avfilter_config_links(AVFilterContext *filter)
link->sample_aspect_ratio = inlink ?
inlink->sample_aspect_ratio : (AVRational){1,1};
if (inlink && !link->frame_rate.num && !link->frame_rate.den)
link->frame_rate = inlink->frame_rate;
if (inlink) {
if (!link->w)
link->w = inlink->w;

12
libavfilter/avfilter.h
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@ -738,6 +738,18 @@ struct AVFilterLink {
*/
int age_index;
/**
* Frame rate of the stream on the link, or 1/0 if unknown;
* if left to 0/0, will be automatically be copied from the first input
* of the source filter if it exists.
*
* Sources should set it to the best estimation of the real frame rate.
* Filters should update it if necessary depending on their function.
* Sinks can use it to set a default output frame rate.
* It is similar to the r_frae_rate field in AVStream.
*/
AVRational frame_rate;
};
/**