lavu/hwcontext: add AV_HWDEVICE_TYPE_MEDIACODEC

Signed-off-by: Matthieu Bouron <matthieu.bouron@gmail.com>

libavutil/hwcontext.c

@@ -55,6 +55,9 @@ static const HWContextType * const hw_table[] = {
 #endif
 #if CONFIG_VIDEOTOOLBOX
     &ff_hwcontext_type_videotoolbox,
+#endif
+#if CONFIG_MEDIACODEC
+    &ff_hwcontext_type_mediacodec,
 #endif
     NULL,
 };
@@ -69,6 +72,7 @@ static const char *const hw_type_names[] = {
     [AV_HWDEVICE_TYPE_VAAPI]  = "vaapi",
     [AV_HWDEVICE_TYPE_VDPAU]  = "vdpau",
     [AV_HWDEVICE_TYPE_VIDEOTOOLBOX] = "videotoolbox",
+    [AV_HWDEVICE_TYPE_MEDIACODEC] = "mediacodec",
 };
 
 enum AVHWDeviceType av_hwdevice_find_type_by_name(const char *name)