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lavfi/vf_overlay: check that filter_frame does not return EAGAIN.

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EAGAIN is used internally in the code; it currently does not make
sense as a return code from the next filter.

Should fix CID966655.
This commit is contained in:
Nicolas George 2013-01-10 19:44:45 +01:00
parent a74548521b
commit 7e5c5fa5fc
1 changed files with 1 additions and 0 deletions
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libavfilter/vf_overlay.c
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@ -473,6 +473,7 @@ static int try_filter_frame(AVFilterContext *ctx, AVFilterBufferRef *mainpic)
if (over->overpicref) if (over->overpicref)
blend_image(ctx, mainpic, over->overpicref, over->x, over->y); blend_image(ctx, mainpic, over->overpicref, over->x, over->y);
ret = ff_filter_frame(ctx->outputs[0], mainpic); ret = ff_filter_frame(ctx->outputs[0], mainpic);
av_assert1(ret != AVERROR(EAGAIN));
over->frame_requested = 0; over->frame_requested = 0;
return ret; return ret;
} }