This change improves pipeline stability and reduces
dynamic GPU surface allocations when using AMF with copy_frame = 1.
This optimization has no negative effect.
---
libavutil/hwcontext_amf.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/libavutil/hwcontext_amf.c b/libavutil/hwcontext_amf.c
index a020b0e2e1..20b9296e34 100644
--- a/libavutil/hwcontext_amf.c
+++ b/libavutil/hwcontext_amf.c
@@ -496,8 +496,10 @@ static int amf_device_create(AVHWDeviceContext *device_ctx,
ret = ctx->factory->pVtbl->CreateContext(ctx->factory, &ctx->context);
- if (ret == AMF_OK)
+ if (ret == AMF_OK) {
+ AMF_ASSIGN_PROPERTY_INT64(ret, ctx->context,
L"DeviceSurfaceCacheSize", 50 );
return 0;
+ }
av_log(device_ctx, AV_LOG_ERROR, "CreateContext() failed with error
%d.\n", ret);
}
amf_device_uninit(device_ctx);
--
2.45.2.windows.1
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