Add support for writing raw encoder output to .ivf files.

webrtc/modules/video_coding/generic_encoder.h

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 15 matching lines @@
 class MediaOptimization;
 }  // namespace media_optimization
 
 struct EncoderParameters {
   uint32_t target_bitrate;
   uint8_t loss_rate;
   int64_t rtt;
   uint32_t input_frame_rate;
 };
 
-/*************************************/
-/* VCMEncodeFrameCallback class     */
-/***********************************/
 class VCMEncodedFrameCallback : public EncodedImageCallback {
  public:
-    explicit VCMEncodedFrameCallback(
-      EncodedImageCallback* post_encode_callback);
-    virtual ~VCMEncodedFrameCallback();
+  explicit VCMEncodedFrameCallback(EncodedImageCallback* post_encode_callback);
+  virtual ~VCMEncodedFrameCallback();
 
-    /*
-    * Callback implementation - codec encode complete
-    */
-    int32_t Encoded(
-        const EncodedImage& encodedImage,
-        const CodecSpecificInfo* codecSpecificInfo = NULL,
-        const RTPFragmentationHeader* fragmentationHeader = NULL);
-    /*
-    * Callback implementation - generic encoder encode complete
-    */
-    int32_t SetTransportCallback(VCMPacketizationCallback* transport);
-    /**
-    * Set media Optimization
-    */
-    void SetMediaOpt(media_optimization::MediaOptimization* mediaOpt);
-
-    void SetPayloadType(uint8_t payloadType) {
-      _payloadType = payloadType;
-    }
-
-    void SetInternalSource(bool internalSource) {
-      _internalSource = internalSource;
-    }
-
-    void SetRotation(VideoRotation rotation) { _rotation = rotation; }
-    void SignalLastEncoderImplementationUsed(
-        const char* encoder_implementation_name);
+  // Implements EncodedImageCallback.
+  int32_t Encoded(const EncodedImage& encoded_image,
+                  const CodecSpecificInfo* codec_specific,
+                  const RTPFragmentationHeader* fragmentation_header) override;
+  int32_t SetTransportCallback(VCMPacketizationCallback* transport);
+  void SetMediaOpt(media_optimization::MediaOptimization* media_opt);
+  void SetPayloadType(uint8_t payload_type) { payload_type_ = payload_type; }
+  void SetInternalSource(bool internal_source) {
+    internal_source_ = internal_source;
+  }
+  void SetRotation(VideoRotation rotation) { rotation_ = rotation; }
+  void SignalLastEncoderImplementationUsed(
+      const char* encoder_implementation_name);
 
  private:
-    VCMPacketizationCallback* send_callback_;
-    media_optimization::MediaOptimization* _mediaOpt;
-    uint8_t _payloadType;
-    bool _internalSource;
-    VideoRotation _rotation;
+  VCMPacketizationCallback* send_callback_;
+  media_optimization::MediaOptimization* media_opt_;
+  uint8_t payload_type_;
+  bool internal_source_;
+  VideoRotation rotation_;
 
-    EncodedImageCallback* post_encode_callback_;
+  EncodedImageCallback* post_encode_callback_;
+};
 
-#ifdef DEBUG_ENCODER_BIT_STREAM
-    FILE* _bitStreamAfterEncoder;
-#endif
-};  // end of VCMEncodeFrameCallback class
-
-/******************************/
-/* VCMGenericEncoder class    */
-/******************************/
 class VCMGenericEncoder {
   friend class VCMCodecDataBase;
 
  public:
   VCMGenericEncoder(VideoEncoder* encoder,
                     VideoEncoderRateObserver* rate_observer,
                     VCMEncodedFrameCallback* encoded_frame_callback,
-                    bool internalSource);
+                    bool internal_source);
   ~VCMGenericEncoder();
-  /**
-  * Free encoder memory
-  */
   int32_t Release();
-  /**
-  * Initialize the encoder with the information from the VideoCodec
-  */
   int32_t InitEncode(const VideoCodec* settings,
-                     int32_t numberOfCores,
-                     size_t maxPayloadSize);
-  /**
-  * Encode raw image
-  * inputFrame        : Frame containing raw image
-  * codecSpecificInfo : Specific codec data
-  * cameraFrameRate   : Request or information from the remote side
-  * frameType         : The requested frame type to encode
-  */
-  int32_t Encode(const VideoFrame& inputFrame,
-                 const CodecSpecificInfo* codecSpecificInfo,
-                 const std::vector<FrameType>& frameTypes);
+                     int32_t number_of_cores,
+                     size_t max_payload_size);
+  int32_t Encode(const VideoFrame& frame,
+                 const CodecSpecificInfo* codec_specific,
+                 const std::vector<FrameType>& frame_types);
 
   void SetEncoderParameters(const EncoderParameters& params);
   EncoderParameters GetEncoderParameters() const;
 
   int32_t SetPeriodicKeyFrames(bool enable);
-
   int32_t RequestFrame(const std::vector<FrameType>& frame_types);
-
   bool InternalSource() const;
-
   void OnDroppedFrame();
-
   bool SupportsNativeHandle() const;
-
   int GetTargetFramerate();
 
  private:
   VideoEncoder* const encoder_;
   VideoEncoderRateObserver* const rate_observer_;
   VCMEncodedFrameCallback* const vcm_encoded_frame_callback_;
   const bool internal_source_;
   rtc::CriticalSection params_lock_;
   EncoderParameters encoder_params_ GUARDED_BY(params_lock_);
   VideoRotation rotation_;
   bool is_screenshare_;
-};  // end of VCMGenericEncoder class
+};
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_VIDEO_CODING_GENERIC_ENCODER_H_