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avfilter/avfilter: add AVFilterGraph->max_buffered_frames to limit buffered frames

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Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint
2025-07-06 10:14:34 +02:00
parent 71468e85ae
commit b24155cae1
4 changed files with 17 additions and 2 deletions
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4
libavfilter/avfiltergraph.c
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@@ -56,6 +56,8 @@ static const AVOption filtergraph_options[] = {
AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, F|V },
{"aresample_swr_opts" , "default aresample filter options" , OFFSET(aresample_swr_opts) ,
AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, F|A },
{"max_buffered_frames" , "maximum number of buffered frames allowed", OFFSET(max_buffered_frames),
AV_OPT_TYPE_UINT, {.i64 = 0}, 0, UINT_MAX, F|V|A },
{ NULL },
};
@@ -1296,6 +1298,8 @@ int avfilter_graph_config(AVFilterGraph *graphctx, void *log_ctx)
{
int ret;
if (graphctx->max_buffered_frames)
fffiltergraph(graphctx)->frame_queues.max_queued = graphctx->max_buffered_frames;
if ((ret = graph_check_validity(graphctx, log_ctx)))
return ret;
if ((ret = graph_config_formats(graphctx, log_ctx)))