[FFmpeg-devel] [PATCH] HW accelerator: Indicate when hardware acceleration is used for processing encode or decode.

[Michele Lim]

Clear indication of when a hardware accelerator is in operation
prevents false assumptions in situations when the command line
argument inadvertently omits certain required options for
enabling it.
---
 libavutil/hwcontext_vaapi.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libavutil/hwcontext_vaapi.c b/libavutil/hwcontext_vaapi.c
index 29698d1..0decf6d 100644
--- a/libavutil/hwcontext_vaapi.c
+++ b/libavutil/hwcontext_vaapi.c
@@ -1193,8 +1193,11 @@ static void vaapi_device_free(AVHWDeviceContext *ctx)
     AVVAAPIDeviceContext *hwctx = ctx->hwctx;
     VAAPIDevicePriv      *priv  = ctx->user_opaque;
 
-    if (hwctx->display)
+    if (hwctx->display)  {
         vaTerminate(hwctx->display);
+        /* Indicate hardware acceleration was utilized to complete either encode or decode */
+        av_log(ctx, AV_LOG_INFO, "Processing completed with HW acceleration\n");
+    }
 
 #if HAVE_VAAPI_X11
     if (priv->x11_display)
-- 
2.7.4