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lavfi/thumbnail: remove unecessary poll_frame() callback.

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This commit is contained in:
Clément Bœsch 2013-03-13 10:23:14 +01:00
parent bce2e97a16
commit e7279638e8
1 changed files with 0 additions and 23 deletions
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23
libavfilter/vf_thumbnail.c
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@ -170,28 +170,6 @@ static int request_frame(AVFilterLink *link)
return 0;
}
static int poll_frame(AVFilterLink *link)
{
ThumbContext *thumb = link->src->priv;
AVFilterLink *inlink = link->src->inputs[0];
int ret, available_frames = ff_poll_frame(inlink);
/* If the input link is not able to provide any frame, we can't do anything
* at the moment and thus have zero thumbnail available. */
if (!available_frames)
return 0;
/* Since at least one frame is available and the next frame will allow us
* to compute a thumbnail, we can return 1 frame. */
if (thumb->n == thumb->n_frames - 1)
return 1;
/* we have some frame(s) available in the input link, but not yet enough to
* output a thumbnail, so we request more */
ret = ff_request_frame(inlink);
return ret < 0 ? ret : 0;
}
static int query_formats(AVFilterContext *ctx)
{
static const enum AVPixelFormat pix_fmts[] = {
@ -217,7 +195,6 @@ static const AVFilterPad thumbnail_outputs[] = {
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.request_frame = request_frame,
.poll_frame = poll_frame,
},
{ NULL }
};