[FFmpeg-devel] Re: [PATCH 1/4] avfilter/dnn_backend_torch: implement common async infrastructure

["Guo, Yejun via ffmpeg-devel" <ffmpeg-devel@ffmpeg.org>]

> -----Original Message-----
> From: Raja Rathour via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>
> Sent: Tuesday, January 20, 2026 10:10 PM
> To: ffmpeg-devel@ffmpeg.org
> Cc: Raja Rathour <imraja729@gmail.com>
> Subject: [FFmpeg-devel] [PATCH 1/4] avfilter/dnn_backend_torch: implement
> common async infrastructure
> 
> ---
>  libavfilter/dnn/dnn_backend_torch.cpp | 354 ++++++++------------------
>  1 file changed, 113 insertions(+), 241 deletions(-)
> 
> diff --git a/libavfilter/dnn/dnn_backend_torch.cpp
> b/libavfilter/dnn/dnn_backend_torch.cpp
> index 33809bf983..4c781cc0b6 100644
> --- a/libavfilter/dnn/dnn_backend_torch.cpp
> +++ b/libavfilter/dnn/dnn_backend_torch.cpp
> @@ -25,10 +25,6 @@
> 
>  #include <torch/torch.h>
>  #include <torch/script.h>
> -#include <thread>
> -#include <mutex>
> -#include <condition_variable>
> -#include <atomic>

What's the relationship between this patch set and your previous patch: [PATCH v3] avfilter/dnn_backend_torch: enable async execution, memory safety & dynamic shapes?

> 
>  extern "C" {
>  #include "dnn_io_proc.h"
> @@ -46,11 +42,6 @@ typedef struct THModel {
>      SafeQueue *request_queue;
>      Queue *task_queue;
>      Queue *lltask_queue;
> -    SafeQueue *pending_queue;       ///< requests waiting for inference
> -    std::thread *worker_thread;     ///< background worker thread
> -    std::mutex *mutex;              ///< mutex for the condition variable
> -    std::condition_variable *cond;  ///< condition variable for worker wakeup
> -    std::atomic<bool> worker_stop;  ///< signal for thread exit
>  } THModel;
> 
>  typedef struct THInferRequest {
> @@ -64,7 +55,6 @@ typedef struct THRequestItem {
>      DNNAsyncExecModule exec_module;
>  } THRequestItem;
> 
> -

Let's focus on the patch purpose, and don't do other changes in the same patch.

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