vaapi: support VAProfileH264High10 decoding

see https://github.com/intel/libva/pull/664

Signed-off-by: jianfeng.zheng <jianfeng.zheng@mthreads.com>

libavcodec/h264_slice.c

@@ -809,8 +809,15 @@ static enum AVPixelFormat get_pixel_format(H264Context *h, int force_callback)
                 *fmt++ = AV_PIX_FMT_YUV444P10;
         } else if (CHROMA422(h))
             *fmt++ = AV_PIX_FMT_YUV422P10;
-        else
+        else {
+#if CONFIG_H264_VAAPI_HWACCEL
+            // Just add as candidate. Whether VAProfileH264High10 usable or
+            // not is decided by vaapi_decode_make_config() defined in FFmpeg
+            // and vaQueryCodingProfile() defined in libva.
+            *fmt++ = AV_PIX_FMT_VAAPI;
+#endif
             *fmt++ = AV_PIX_FMT_YUV420P10;
+        }
         break;
     case 12:
         if (CHROMA444(h)) {

libavcodec/vaapi_decode.c

@@ -398,6 +398,11 @@ static const struct {
     MAP(MPEG4,       MPEG4_ADVANCED_SIMPLE,
                                MPEG4AdvancedSimple),
     MAP(MPEG4,       MPEG4_MAIN,      MPEG4Main   ),
+#if VA_CHECK_VERSION(1, 18, 0)
+    MAP(H264,        H264_HIGH_10_INTRA,
+                                      H264High10  ),
+    MAP(H264,        H264_HIGH_10,    H264High10  ),
+#endif
     MAP(H264,        H264_CONSTRAINED_BASELINE,
                            H264ConstrainedBaseline),
     MAP(H264,        H264_MAIN,       H264Main    ),