12-bit vp9 video support

media/filters/ffmpeg_video_decoder.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/filters/ffmpeg_video_decoder.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 78 matching lines @@
   // content.
   const VideoPixelFormat format =
       AVPixelFormatToVideoPixelFormat(codec_context->pix_fmt);
 
   if (format == PIXEL_FORMAT_UNKNOWN)
     return AVERROR(EINVAL);
   DCHECK(format == PIXEL_FORMAT_YV12 || format == PIXEL_FORMAT_YV16 ||
          format == PIXEL_FORMAT_YV24 || format == PIXEL_FORMAT_YUV420P9 ||
          format == PIXEL_FORMAT_YUV420P10 || format == PIXEL_FORMAT_YUV422P9 ||
          format == PIXEL_FORMAT_YUV422P10 || format == PIXEL_FORMAT_YUV444P9 ||
-         format == PIXEL_FORMAT_YUV444P10);
+         format == PIXEL_FORMAT_YUV444P10 || format == PIXEL_FORMAT_YUV420P12 ||
+         format == PIXEL_FORMAT_YUV422P12 || format == PIXEL_FORMAT_YUV444P12);
 
   gfx::Size size(codec_context->width, codec_context->height);
   const int ret = av_image_check_size(size.width(), size.height(), 0, NULL);
   if (ret < 0)
     return ret;
 
   gfx::Size natural_size;
   if (codec_context->sample_aspect_ratio.num > 0) {
     natural_size = GetNaturalSize(size,
                                   codec_context->sample_aspect_ratio.num,
@@ skipping 275 matching lines @@
   if (!codec || avcodec_open2(codec_context_.get(), codec, NULL) < 0) {
     ReleaseFFmpegResources();
     return false;
   }
 
   av_frame_.reset(av_frame_alloc());
   return true;
 }
 
 }  // namespace media