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avfilter/overlay_cuda: hold explicit reference to hw_device_ctx

This commit is contained in:
Timo Rothenpieler 2021-04-10 14:31:52 +02:00
parent 7555d6f74c
commit 5d52c4cbba
1 changed files with 7 additions and 1 deletions
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8
libavfilter/vf_overlay_cuda.c
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@ -63,6 +63,7 @@ typedef struct OverlayCUDAContext {
enum AVPixelFormat in_format_overlay;
enum AVPixelFormat in_format_main;
AVBufferRef *hw_device_ctx;
AVCUDADeviceContext *hwctx;
CUcontext cu_ctx;
@ -256,6 +257,9 @@ static av_cold void overlay_cuda_uninit(AVFilterContext *avctx)
CHECK_CU(cu->cuModuleUnload(ctx->cu_module));
CHECK_CU(cu->cuCtxPopCurrent(&dummy));
}
av_buffer_unref(&ctx->hw_device_ctx);
ctx->hwctx = NULL;
}
/**
@ -341,7 +345,9 @@ static int overlay_cuda_config_output(AVFilterLink *outlink)
// initialize
ctx->hwctx = frames_ctx->device_ctx->hwctx;
ctx->hw_device_ctx = av_buffer_ref(frames_ctx->device_ref);
ctx->hwctx = ((AVHWDeviceContext*)ctx->hw_device_ctx->data)->hwctx;
cuda_ctx = ctx->hwctx->cuda_ctx;
ctx->fs.time_base = inlink->time_base;