Add unit tests for qp parser.

webrtc/modules/video_coding/codecs/test/videoprocessor.cc

 /*
  *  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 214 matching lines @@
 size_t VideoProcessorImpl::EncodedFrameSize(int frame_number) {
   RTC_DCHECK_LT(frame_number, frame_infos_.size());
   return frame_infos_[frame_number].encoded_frame_size;
 }
 
 FrameType VideoProcessorImpl::EncodedFrameType(int frame_number) {
   RTC_DCHECK_LT(frame_number, frame_infos_.size());
   return frame_infos_[frame_number].encoded_frame_type;
 }
 
+int VideoProcessorImpl::GetQpFromEncoder(int frame_number) {
+  RTC_DCHECK_LT(frame_number, frame_infos_.size());
+  return frame_infos_[frame_number].qp_encoder;
+}
+
+int VideoProcessorImpl::GetQpFromBitstream(int frame_number) {
+  RTC_DCHECK_LT(frame_number, frame_infos_.size());
+  return frame_infos_[frame_number].qp_bitstream;
+}
+
 int VideoProcessorImpl::NumberDroppedFrames() {
   return num_dropped_frames_;
 }
 
 int VideoProcessorImpl::NumberSpatialResizes() {
   return num_spatial_resizes_;
 }
 
 bool VideoProcessorImpl::ProcessFrame(int frame_number) {
   RTC_DCHECK_GE(frame_number, 0);
@@ skipping 95 matching lines @@
   }
   // Ensure strict monotonicity.
   RTC_CHECK_GT(frame_number, last_encoded_frame_num_);
   last_encoded_frame_num_ = frame_number;
 
   // Frame is not dropped, so update frame information and statistics.
   RTC_DCHECK_LT(frame_number, frame_infos_.size());
   FrameInfo* frame_info = &frame_infos_[frame_number];
   frame_info->encoded_frame_size = encoded_image._length;
   frame_info->encoded_frame_type = encoded_image._frameType;
+  frame_info->qp_encoder = encoded_image.qp_;
+  if (codec == kVideoCodecVP8) {
+    vp8::GetQp(encoded_image._buffer, encoded_image._length,
+      &frame_info->qp_bitstream);
+  } else if (codec == kVideoCodecVP9) {
+    vp9::GetQp(encoded_image._buffer, encoded_image._length,
+      &frame_info->qp_bitstream);
+  }
   FrameStatistic* frame_stat = &stats_->stats_[frame_number];
   frame_stat->encode_time_in_us =
       GetElapsedTimeMicroseconds(frame_info->encode_start_ns, encode_stop_ns);
   frame_stat->encoding_successful = true;
   frame_stat->encoded_frame_length_in_bytes = encoded_image._length;
   frame_stat->frame_number = frame_number;
   frame_stat->frame_type = encoded_image._frameType;
   frame_stat->qp = encoded_image.qp_;
   frame_stat->bit_rate_in_kbps = encoded_image._length * bit_rate_factor_;
   frame_stat->total_packets =
@@ skipping 137 matching lines @@
   if (decoded_frame_writer_) {
     RTC_DCHECK_EQ(extracted_length, decoded_frame_writer_->FrameLength());
     RTC_CHECK(decoded_frame_writer_->WriteFrame(extracted_buffer.data()));
   }
 
   last_decoded_frame_buffer_ = std::move(extracted_buffer);
 }
 
 }  // namespace test
 }  // namespace webrtc