-----Original Message-----
From: tknaveen via ffmpeg-devel <[email protected]>
Sent: Thursday, April 30, 2026 7:14 PM
To: [email protected]
Cc: tknaveen <[email protected]>
Subject: [FFmpeg-devel] [PATCH] avfilter/dnn_backend_torch: fix missing ret in
async error path
ff_dnn_start_inference_async() return value was not stored in ret, causing
execute_model_th() to return success on async startup failure.
This left vf_dnn_processing stuck in its flush loop waiting on a task that was
never started.
Fixes regression in 346fe01607ba.
---
libavfilter/dnn/dnn_backend_torch.cpp | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavfilter/dnn/dnn_backend_torch.cpp
b/libavfilter/dnn/dnn_backend_torch.cpp
index 6cd93fd136..bba166ce5f 100644
--- a/libavfilter/dnn/dnn_backend_torch.cpp
+++ b/libavfilter/dnn/dnn_backend_torch.cpp
@@ -342,9 +342,9 @@ static int execute_model_th(THRequestItem *request, Queue
*lltask_queue)
}
if (task->async) {
- if (ff_dnn_start_inference_async(th_model->ctx, &request->exec_module)
!= 0) {
+ ret = ff_dnn_start_inference_async(th_model->ctx,
&request->exec_module);
+ if (ret != 0)
goto err;
- }
Nice catch, will rebase locally and push soon. Thanks.
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