Add JPEG decoder for VAAPI JPEG decode acceleration

media/base/video_decoder_config.h

 // 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.
 
 #ifndef MEDIA_BASE_VIDEO_DECODER_CONFIG_H_
 #define MEDIA_BASE_VIDEO_DECODER_CONFIG_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 46 matching lines @@
   H264PROFILE_SCALABLEHIGH = 8,
   H264PROFILE_STEREOHIGH = 9,
   H264PROFILE_MULTIVIEWHIGH = 10,
   H264PROFILE_MAX = H264PROFILE_MULTIVIEWHIGH,
   VP8PROFILE_MIN = 11,
   VP8PROFILE_ANY = VP8PROFILE_MIN,
   VP8PROFILE_MAX = VP8PROFILE_ANY,
   VP9PROFILE_MIN = 12,
   VP9PROFILE_ANY = VP9PROFILE_MIN,
   VP9PROFILE_MAX = VP9PROFILE_ANY,
-  VIDEO_CODEC_PROFILE_MAX = VP9PROFILE_MAX,
+  MJPEGPROFILE = 13,

[wuchengli, 2015/01/12 09:08:53]

Let's not add a new video profile because vaapi wrapper interfaces uses it. Add
a vaapi wrapper function for jpeg.

[kcwu, 2015/01/16 15:12:56]

Done.

+  VIDEO_CODEC_PROFILE_MAX = MJPEGPROFILE,
 };
 
 class MEDIA_EXPORT VideoDecoderConfig {
  public:
   // Constructs an uninitialized object. Clients should call Initialize() with
   // appropriate values before using.
   VideoDecoderConfig();
 
   // Constructs an initialized object. It is acceptable to pass in NULL for
   // |extra_data|, otherwise the memory is copied.
@@ skipping 73 matching lines @@
   bool is_encrypted_;
 
   // Not using DISALLOW_COPY_AND_ASSIGN here intentionally to allow the compiler
   // generated copy constructor and assignment operator. Since the extra data is
   // typically small, the performance impact is minimal.
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_VIDEO_DECODER_CONFIG_H_