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* [FFmpeg-devel] [PATCH] libavfilter/dnn/dnn_backend_openvino.c: fix openvino async mode
@ 2022-12-12 10:31 Saliev, Rafik F
  2022-12-16  6:57 ` Guo, Yejun
  0 siblings, 1 reply; 6+ messages in thread
From: Saliev, Rafik F @ 2022-12-12 10:31 UTC (permalink / raw)
  To: ffmpeg-devel

Bugfix: The OpenVino DNN backend in the 'async' mode sets
'task->inference_done' to 'complete' prior to data copy from
OpenVino output buffer to task's output frame.
This order causes task destroy in ff_dnn_get_result_common()
prior to model output processing.

Signed-off-by: Rafik Saliev <rafik.f.saliev@intel.com>
---
 libavfilter/dnn/dnn_backend_openvino.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/dnn/dnn_backend_openvino.c b/libavfilter/dnn/dnn_backend_openvino.c
index b494f26f55..b67f288336 100644
--- a/libavfilter/dnn/dnn_backend_openvino.c
+++ b/libavfilter/dnn/dnn_backend_openvino.c
@@ -244,7 +244,6 @@ static void infer_completion_callback(void *args)
     av_assert0(request->lltask_count >= 1);
     for (int i = 0; i < request->lltask_count; ++i) {
         task = request->lltasks[i]->task;
-        task->inference_done++;
 
         switch (ov_model->model->func_type) {
         case DFT_PROCESS_FRAME:
@@ -278,6 +277,7 @@ static void infer_completion_callback(void *args)
             break;
         }
 
+        task->inference_done++;
         av_freep(&request->lltasks[i]);
         output.data = (uint8_t *)output.data
                       + output.width * output.height * output.channels * get_datatype_size(output.dt);
-- 
2.31.1.windows.1

---------------------------------------------------------------------
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ul. Slowackiego 173 | 80-298 Gdansk | Sad Rejonowy Gdansk Polnoc | VII Wydzial Gospodarczy Krajowego Rejestru Sadowego - KRS 101882 | NIP 957-07-52-316 | Kapital zakladowy 200.000 PLN.
Spolka oswiadcza, ze posiada status duzego przedsiebiorcy w rozumieniu ustawy z dnia 8 marca 2013 r. o przeciwdzialaniu nadmiernym opoznieniom w transakcjach handlowych.

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^ permalink raw reply	[flat|nested] 6+ messages in thread
* [FFmpeg-devel] [PATCH v2] libavfilter/dnn: fix openvino async mode
@ 2022-12-16  9:37 Saliev, Rafik F
  0 siblings, 0 replies; 6+ messages in thread
From: Saliev, Rafik F @ 2022-12-16  9:37 UTC (permalink / raw)
  To: ffmpeg-devel

Bugfix: The OpenVino DNN backend in the 'async' mode sets
'task->inference_done' to 'complete' prior to data copy from
OpenVino output buffer to task's output frame.
This order causes task destroy in ff_dnn_get_result_common()
prior to model output processing.

Signed-off-by: Rafik Saliev <rafik.f.saliev@intel.com>
---
 libavfilter/dnn/dnn_backend_openvino.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/dnn/dnn_backend_openvino.c b/libavfilter/dnn/dnn_backend_openvino.c
index b494f26f55..b67f288336 100644
--- a/libavfilter/dnn/dnn_backend_openvino.c
+++ b/libavfilter/dnn/dnn_backend_openvino.c
@@ -244,7 +244,6 @@ static void infer_completion_callback(void *args)
     av_assert0(request->lltask_count >= 1);
     for (int i = 0; i < request->lltask_count; ++i) {
         task = request->lltasks[i]->task;
-        task->inference_done++;
 
         switch (ov_model->model->func_type) {
         case DFT_PROCESS_FRAME:
@@ -278,6 +277,7 @@ static void infer_completion_callback(void *args)
             break;
         }
 
+        task->inference_done++;
         av_freep(&request->lltasks[i]);
         output.data = (uint8_t *)output.data
                       + output.width * output.height * output.channels * get_datatype_size(output.dt);
-- 
2.31.1.windows.1

---------------------------------------------------------------------
Intel Technology Poland sp. z o.o.
ul. Slowackiego 173 | 80-298 Gdansk | Sad Rejonowy Gdansk Polnoc | VII Wydzial Gospodarczy Krajowego Rejestru Sadowego - KRS 101882 | NIP 957-07-52-316 | Kapital zakladowy 200.000 PLN.
Spolka oswiadcza, ze posiada status duzego przedsiebiorcy w rozumieniu ustawy z dnia 8 marca 2013 r. o przeciwdzialaniu nadmiernym opoznieniom w transakcjach handlowych.

Ta wiadomosc wraz z zalacznikami jest przeznaczona dla okreslonego adresata i moze zawierac informacje poufne. W razie przypadkowego otrzymania tej wiadomosci, prosimy o powiadomienie nadawcy oraz trwale jej usuniecie; jakiekolwiek przegladanie lub rozpowszechnianie jest zabronione.
This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). If you are not the intended recipient, please contact the sender and delete all copies; any review or distribution by others is strictly prohibited.

_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel

To unsubscribe, visit link above, or email
ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2022-12-16 11:02 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-12-12 10:31 [FFmpeg-devel] [PATCH] libavfilter/dnn/dnn_backend_openvino.c: fix openvino async mode Saliev, Rafik F
2022-12-16  6:57 ` Guo, Yejun
2022-12-16 10:34   ` [FFmpeg-devel] [PATCH v2] libavfilter/dnn: " Saliev, Rafik F
2022-12-16 11:02     ` Guo, Yejun
2022-12-16 10:52   ` [FFmpeg-devel] [PATCH] libavfilter/dnn/dnn_backend_openvino.c: " Saliev, Rafik F
2022-12-16  9:37 [FFmpeg-devel] [PATCH v2] libavfilter/dnn: " Saliev, Rafik F

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