<video> decode in hardware!

media/base/video_decoder_config.h

 // Copyright (c) 2011 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 "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "media/base/media_export.h"
 #include "media/base/video_frame.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 
 namespace media {
 
-enum VideoCodec {
+enum MEDIA_EXPORT VideoCodec {
   // These values are histogrammed over time; do not change their ordinal
   // values.  When deleting a codec replace it with a dummy value; when adding a
   // codec, do so at the bottom (and update kVideoCodecMax).
   kUnknownVideoCodec = 0,
   kCodecH264,
   kCodecVC1,
   kCodecMPEG2,
   kCodecMPEG4,
   kCodecTheora,
   kCodecVP8,
   // DO NOT ADD RANDOM VIDEO CODECS!
   //
   // The only acceptable time to add a new codec is if there is production code
   // that uses said codec in the same CL.
 
   kVideoCodecMax = kCodecVP8  // Must equal the last "real" codec above.
 };
 
+// Video stream profile.  This *must* match PP_VideoDecoder_Profile.
+enum MEDIA_EXPORT VideoCodecProfile {
+  // Keep the values in this enum unique, as they imply format (h.264 vs. VP8,
+  // for example), and keep the values for a particular format grouped
+  // together for clarity.
+  VIDEO_CODEC_PROFILE_UNKNOWN = -1,
+  H264PROFILE_MIN = 0,
+  H264PROFILE_BASELINE = H264PROFILE_MIN,
+  H264PROFILE_MAIN,
+  H264PROFILE_EXTENDED,
+  H264PROFILE_HIGH,
+  H264PROFILE_HIGH10PROFILE,
+  H264PROFILE_HIGH422PROFILE,
+  H264PROFILE_HIGH444PREDICTIVEPROFILE,
+  H264PROFILE_SCALABLEBASELINE,
+  H264PROFILE_SCALABLEHIGH,
+  H264PROFILE_STEREOHIGH,
+  H264PROFILE_MULTIVIEWHIGH,
+  H264PROFILE_MAX = H264PROFILE_MULTIVIEWHIGH,
+  VIDEO_CODEC_PROFILE_MAX = H264PROFILE_MAX,
+};
+
 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.
   VideoDecoderConfig(VideoCodec codec,
+                     VideoCodecProfile profile,
                      VideoFrame::Format format,
                      const gfx::Size& coded_size,
                      const gfx::Rect& visible_rect,
                      int frame_rate_numerator, int frame_rate_denominator,
                      int aspect_ratio_numerator, int aspect_ratio_denominator,
                      const uint8* extra_data, size_t extra_data_size);
 
   ~VideoDecoderConfig();
 
   // Resets the internal state of this object.
   void Initialize(VideoCodec codec,
+                  VideoCodecProfile profile,
                   VideoFrame::Format format,
                   const gfx::Size& coded_size,
                   const gfx::Rect& visible_rect,
                   int frame_rate_numerator, int frame_rate_denominator,
                   int aspect_ratio_numerator, int aspect_ratio_denominator,
                   const uint8* extra_data, size_t extra_data_size);
 
   // Returns true if this object has appropriate configuration values, false
   // otherwise.
   bool IsValidConfig() const;
 
+  // Returns a human-readable string describing |*this|.  For debugging & test
+  // output only.
+  std::string AsHumanReadableString() const;
+
   VideoCodec codec() const;
+  VideoCodecProfile profile() const;
 
   // Video format used to determine YUV buffer sizes.
   VideoFrame::Format format() const;
 
   // Width and height of video frame immediately post-decode. Not all pixels
   // in this region are valid.
   gfx::Size coded_size() const;
 
   // Region of |coded_size_| that is visible.
   gfx::Rect visible_rect() const;
@@ skipping 17 matching lines @@
   int aspect_ratio_numerator() const;
   int aspect_ratio_denominator() const;
 
   // Optional byte data required to initialize video decoders, such as H.264
   // AAVC data.
   uint8* extra_data() const;
   size_t extra_data_size() const;
 
  private:
   VideoCodec codec_;
+  VideoCodecProfile profile_;
 
   VideoFrame::Format format_;
 
   gfx::Size coded_size_;
   gfx::Rect visible_rect_;
   gfx::Size natural_size_;
 
   int frame_rate_numerator_;
   int frame_rate_denominator_;
 
   int aspect_ratio_numerator_;
   int aspect_ratio_denominator_;
 
   scoped_array<uint8> extra_data_;
   size_t extra_data_size_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoDecoderConfig);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_VIDEO_DECODER_CONFIG_H_