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The following commit(s) were added to refs/heads/master by this push:
new 238df21a4f avfilter/vf_libplacebo: early-free unused resources
238df21a4f is described below
commit 238df21a4f94e30fb3225246db025e410e897965
Author: Niklas Haas <[email protected]>
AuthorDate: Wed Mar 25 16:57:58 2026 +0100
Commit: Niklas Haas <[email protected]>
CommitDate: Wed Mar 25 17:47:09 2026 +0000
avfilter/vf_libplacebo: early-free unused resources
Otherwise, this will indefinitely persist the last couple of mapped frames
(including any extra decoded frames) in memory, even though they will never
be
used again, causing a gradual memory leak until filter uninit.
Signed-off-by: Niklas Haas <[email protected]>
Sponsored-by: nxtedition AB
---
libavfilter/vf_libplacebo.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libavfilter/vf_libplacebo.c b/libavfilter/vf_libplacebo.c
index 316eca37ec..b01a2f6eeb 100644
--- a/libavfilter/vf_libplacebo.c
+++ b/libavfilter/vf_libplacebo.c
@@ -1114,6 +1114,8 @@ props_done:
struct pl_render_params tmp_params = opts->params;
for (int i = 0; i < s->nb_inputs; i++) {
LibplaceboInput *in = &s->inputs[i];
+ if (!in->renderer)
+ continue; /* input was already freed */
FilterLink *il = ff_filter_link(ctx->inputs[i]);
FilterLink *ol = ff_filter_link(outlink);
int high_fps = av_cmp_q(il->frame_rate, ol->frame_rate) >= 0;
@@ -1293,6 +1295,9 @@ static int libplacebo_activate(AVFilterContext *ctx)
LibplaceboInput *in = &s->inputs[i];
FilterLink *l = ff_filter_link(outlink);
if (in->status && out_pts >= in->status_pts) {
+ /* Free up resources which will never be needed again */
+ pl_renderer_destroy(&in->renderer);
+ pl_queue_destroy(&in->queue);
in->qstatus = PL_QUEUE_EOF;
continue;
}
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