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avfilter: add less confusing error on frame queue overflow

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Currently, such filter graphs just fail with a nebulous:

  [fc#0 @ 0x2a7b3c0] [error] Error while filtering: Cannot allocate memory

Sponsored-by: nxtedition AB
Signed-off-by: Niklas Haas <git@haasn.dev>
This commit is contained in:
Niklas Haas
2026-05-04 13:26:51 +02:00
committed by Niklas Haas
parent 38161819e7
commit a974a54486
1 changed files with 3 additions and 0 deletions
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3
libavfilter/avfilter.c
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@@ -1109,6 +1109,9 @@ int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
filter_unblock(link->dst);
ret = ff_framequeue_add(&li->fifo, frame);
if (ret < 0) {
const FFFrameQueueGlobal *global = li->fifo.global;
if (ret == AVERROR(ENOMEM) && global->queued >= global->max_queued)
av_log(link->dst, AV_LOG_ERROR, "Exhausted frame queue capacity (%zu frames)\n", global->max_queued);
av_frame_free(&frame);
return ret;
}