Merge commit 'b115a35e'

* commit 'b115a35e':
  hwcontext_qsv: add support for the P8 format
Merged-by: Mark Thompson <sw@jkqxz.net>

libavutil/hwcontext_qsv.c

@@ -91,6 +91,7 @@ static const struct {
 } supported_pixel_formats[] = {
     { AV_PIX_FMT_NV12, MFX_FOURCC_NV12 },
     { AV_PIX_FMT_P010, MFX_FOURCC_P010 },
+    { AV_PIX_FMT_PAL8, MFX_FOURCC_P8   },
 };
 
 static int qsv_device_init(AVHWDeviceContext *ctx)