Add libvpx wrapper to media to support VP9 video decoding.

media/ffmpeg/ffmpeg_common.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/ffmpeg/ffmpeg_common.h"
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "media/base/decoder_buffer.h"
 #include "media/base/video_frame.h"
@@ skipping 130 matching lines @@
     case CODEC_ID_H264:
       return kCodecH264;
     case CODEC_ID_THEORA:
       return kCodecTheora;
     case CODEC_ID_MPEG2VIDEO:
       return kCodecMPEG2;
     case CODEC_ID_MPEG4:
       return kCodecMPEG4;
     case CODEC_ID_VP8:
       return kCodecVP8;
+    case AV_CODEC_ID_VP9:
+      return kCodecVP9;
     default:
       DVLOG(1) << "Unknown video CodecID: " << codec_id;
   }
   return kUnknownVideoCodec;
 }
 
 static CodecID VideoCodecToCodecID(VideoCodec video_codec) {
   switch (video_codec) {
     case kCodecVC1:
       return CODEC_ID_VC1;
     case kCodecH264:
       return CODEC_ID_H264;
     case kCodecTheora:
       return CODEC_ID_THEORA;
     case kCodecMPEG2:
       return CODEC_ID_MPEG2VIDEO;
     case kCodecMPEG4:
       return CODEC_ID_MPEG4;
     case kCodecVP8:
       return CODEC_ID_VP8;
+    case kCodecVP9:
+      return AV_CODEC_ID_VP9;
     default:
       DVLOG(1) << "Unknown VideoCodec: " << video_codec;
   }
   return CODEC_ID_NONE;
 }
 
 static VideoCodecProfile ProfileIDToVideoCodecProfile(int profile) {
   // Clear out the CONSTRAINED & INTRA flags which are strict subsets of the
   // corresponding profiles with which they're used.
   profile &= ~FF_PROFILE_H264_CONSTRAINED;
@@ skipping 122 matching lines @@
   gfx::Rect visible_rect(stream->codec->width, stream->codec->height);
 
   AVRational aspect_ratio = { 1, 1 };
   if (stream->sample_aspect_ratio.num)
     aspect_ratio = stream->sample_aspect_ratio;
   else if (stream->codec->sample_aspect_ratio.num)
     aspect_ratio = stream->codec->sample_aspect_ratio;
 
   VideoCodec codec = CodecIDToVideoCodec(stream->codec->codec_id);
   VideoCodecProfile profile = (codec == kCodecVP8) ? VP8PROFILE_MAIN :
-      ProfileIDToVideoCodecProfile(stream->codec->profile);
+      (codec == kCodecVP9) ? VP9PROFILE_MAIN :
+          ProfileIDToVideoCodecProfile(stream->codec->profile);
   gfx::Size natural_size = GetNaturalSize(
       visible_rect.size(), aspect_ratio.num, aspect_ratio.den);
   config->Initialize(codec,
                      profile,
                      PixelFormatToVideoFormat(stream->codec->pix_fmt),
                      coded_size, visible_rect, natural_size,
                      stream->codec->extradata, stream->codec->extradata_size,
                      false,  // Not encrypted.
                      true);
 }
@@ skipping 109 matching lines @@
       return PIX_FMT_YUV422P;
     case VideoFrame::YV12:
       return PIX_FMT_YUV420P;
     default:
       DVLOG(1) << "Unsupported VideoFrame::Format: " << video_format;
   }
   return PIX_FMT_NONE;
 }
 
 }  // namespace media