Convert ffmpeg vp9 profile output to VideoCodecProfile

Bug: 784610
Change-Id: If1243b001f19a0af64f915ba272a6166167d0ee9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1529538
Commit-Queue: Ted Meyer <tmathmeyer@chromium.org>
Reviewed-by: Chrome Cunningham <chcunningham@chromium.org>
Cr-Commit-Position: refs/heads/master@{#642253}

media/ffmpeg/ffmpeg_common.cc

@@ -508,8 +508,24 @@ bool AVStreamToVideoDecoderConfig(const AVStream* stream,
       profile = VP8PROFILE_ANY;
       break;
     case kCodecVP9:
+      switch (codec_context->profile) {
+        case FF_PROFILE_VP9_0:
+          profile = VP9PROFILE_PROFILE0;
+          break;
+        case FF_PROFILE_VP9_1:
+          profile = VP9PROFILE_PROFILE1;
+          break;
+        case FF_PROFILE_VP9_2:
+          profile = VP9PROFILE_PROFILE2;
+          break;
+        case FF_PROFILE_VP9_3:
+          profile = VP9PROFILE_PROFILE3;
+          break;
+        default:
+          profile = VP9PROFILE_MIN;
+          break;
+      }
       format = PIXEL_FORMAT_I420;
-      profile = VP9PROFILE_PROFILE0;
       break;
     case kCodecAV1:
       format = PIXEL_FORMAT_I420;