Implement QP parsing in VideoDecoderWrapper.

webrtc/sdk/android/src/jni/videodecoderwrapper.h

 /*
  *  Copyright 2017 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.
  */
 
 #ifndef WEBRTC_SDK_ANDROID_SRC_JNI_VIDEODECODERWRAPPER_H_
 #define WEBRTC_SDK_ANDROID_SRC_JNI_VIDEODECODERWRAPPER_H_
 
 #include <jni.h>
-
 #include <deque>
 
 #include "webrtc/api/video_codecs/video_decoder.h"
+#include "webrtc/common_video/h264/h264_bitstream_parser.h"
 #include "webrtc/sdk/android/src/jni/jni_helpers.h"
 #include "webrtc/sdk/android/src/jni/native_handle_impl.h"
 
 namespace webrtc_jni {
 
 // Wraps a Java decoder and delegates all calls to it. Passes
 // VideoDecoderWrapperCallback to the decoder on InitDecode. Wraps the received
 // frames to AndroidVideoBuffer.
 class VideoDecoderWrapper : public webrtc::VideoDecoder {
  public:
@@ skipping 24 matching lines @@
   void OnDecodedFrame(JNIEnv* jni,
                       jobject jframe,
                       jobject jdecode_time_ms,
                       jobject jqp);
 
  private:
   struct FrameExtraInfo {
     uint32_t capture_time_ms;  // Used as an identifier of the frame.
 
     uint32_t timestamp_rtp;
+    rtc::Optional<uint8_t> qp;
   };
 
   int32_t InitDecodeInternal(JNIEnv* jni);
 
   // Takes Java VideoCodecStatus, handles it and returns WEBRTC_VIDEO_CODEC_*
   // status code.
   int32_t HandleReturnCode(JNIEnv* jni, jobject code);
 
+  rtc::Optional<uint8_t> ParseQP(const webrtc::EncodedImage& input_image);
+
   webrtc::VideoCodec codec_settings_;
   int32_t number_of_cores_;
 
   bool initialized_;
   AndroidVideoBufferFactory android_video_buffer_factory_;
   std::deque<FrameExtraInfo> frame_extra_infos_;
+  bool qp_parsing_enabled_;
+  webrtc::H264BitstreamParser h264_bitstream_parser_;
 
   webrtc::DecodedImageCallback* callback_;
 
   const ScopedGlobalRef<jobject> decoder_;
   const ScopedGlobalRef<jclass> encoded_image_class_;
   const ScopedGlobalRef<jclass> frame_type_class_;
   const ScopedGlobalRef<jclass> settings_class_;
   const ScopedGlobalRef<jclass> video_frame_class_;
   const ScopedGlobalRef<jclass> video_codec_status_class_;
   const ScopedGlobalRef<jclass> integer_class_;
@@ skipping 19 matching lines @@
   jmethodID int_value_method_;
 
   jobject ConvertEncodedImageToJavaEncodedImage(
       JNIEnv* jni,
       const webrtc::EncodedImage& image);
 };
 
 }  // namespace webrtc_jni
 
 #endif  // WEBRTC_SDK_ANDROID_SRC_JNI_VIDEODECODERWRAPPER_H_