Add support for color formats negotiation.

media/base/android/media_codec_bridge.h

 // Copyright (c) 2013 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.
 
 #ifndef MEDIA_BASE_ANDROID_MEDIA_CODEC_BRIDGE_H_
 #define MEDIA_BASE_ANDROID_MEDIA_CODEC_BRIDGE_H_
 
 #include <jni.h>
 #include <string>
 
@@ skipping 63 matching lines @@
     MediaCodecDirection direction;
   };
 
   // Get a list of supported codecs.
   static std::vector<CodecsInfo> GetCodecsInfo();
 
   // Get default codec name for |mime_type|.
   static std::string GetDefaultCodecName(const std::string& mime_type,
                                          MediaCodecDirection direction);
 
+  // Get a list of encoder supported color formats for specified mime type.

[xhwang, 2014/10/13 17:37:35]

nit: |mime_type|

Can you add comments about how an "int" is mapped to a color format? For
example, refer to MediaCodecInfo.CodecCapabilities...

[changbin, 2014/10/15 02:17:10]

Done.

+  static std::vector<int> GetEncoderColorFormats(const std::string& mime_type);
+
   virtual ~MediaCodecBridge();
 
   // Resets both input and output, all indices previously returned in calls to
   // DequeueInputBuffer() and DequeueOutputBuffer() become invalid.
   // Please note that this clears all the inputs in the media codec. In other
   // words, there will be no outputs until new input is provided.
   // Returns MEDIA_CODEC_ERROR if an unexpected error happens, or Media_CODEC_OK
   // otherwise.
   MediaCodecStatus Reset();
 
@@ skipping 194 matching lines @@
   VideoCodecBridge(const std::string& mime,
                    bool is_secure,
                    MediaCodecDirection direction);
 
   int adaptive_playback_supported_for_testing_;
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_ANDROID_MEDIA_CODEC_BRIDGE_H_