12-bit vp9 video support

media/filters/vpx_video_decoder.cc

Index: media/filters/vpx_video_decoder.cc
diff --git a/media/filters/vpx_video_decoder.cc b/media/filters/vpx_video_decoder.cc
index e95de6d068104c1d7a0426c3a213b3d361c5b6d1..ce9914dbdc09a64a56f4f5823841f345d89944bb 100644
--- a/media/filters/vpx_video_decoder.cc
+++ b/media/filters/vpx_video_decoder.cc
@@ -733,6 +733,9 @@ bool VpxVideoDecoder::CopyVpxImageToVideoFrame(
         case 10:
           codec_format = PIXEL_FORMAT_YUV420P10;
           break;
+        case 12:
+          codec_format = PIXEL_FORMAT_YUV420P12;
+          break;
         default:
           DLOG(ERROR) << "Unsupported bit depth: " << vpx_image->bit_depth;
           return false;
@@ -747,6 +750,9 @@ bool VpxVideoDecoder::CopyVpxImageToVideoFrame(
         case 10:
           codec_format = PIXEL_FORMAT_YUV422P10;
           break;
+        case 12:
+          codec_format = PIXEL_FORMAT_YUV422P12;
+          break;
         default:
           DLOG(ERROR) << "Unsupported bit depth: " << vpx_image->bit_depth;
           return false;
@@ -761,6 +767,9 @@ bool VpxVideoDecoder::CopyVpxImageToVideoFrame(
         case 10:
           codec_format = PIXEL_FORMAT_YUV444P10;
           break;
+        case 12:
+          codec_format = PIXEL_FORMAT_YUV444P12;
+          break;
         default:
           DLOG(ERROR) << "Unsupported bit depth: " << vpx_image->bit_depth;
           return false;