Add unit tests for qp parser.

webrtc/modules/video_coding/codecs/vp8/test/vp8_impl_unittest.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.
  */
 
 #include <stdio.h>
 
 #include <memory>
 
 #include "webrtc/api/video/i420_buffer.h"
 #include "webrtc/base/checks.h"
 #include "webrtc/base/optional.h"
 #include "webrtc/base/timeutils.h"
 #include "webrtc/common_video/libyuv/include/webrtc_libyuv.h"
+#include "webrtc/modules/video_coding/codecs/test/video_codec_test.h"
 #include "webrtc/modules/video_coding/codecs/vp8/include/vp8.h"
 #include "webrtc/modules/video_coding/codecs/vp8/temporal_layers.h"
-#include "webrtc/modules/video_coding/include/video_codec_interface.h"
 #include "webrtc/test/frame_utils.h"
 #include "webrtc/test/gtest.h"
 #include "webrtc/test/testsupport/fileutils.h"
 
 namespace webrtc {
 
 namespace {
 
 void Calc16ByteAlignedStride(int width, int* stride_y, int* stride_uv) {
   *stride_y = 16 * ((width + 15) / 16);
@@ skipping 269 matching lines @@
   encoded_frame_._frameType = kVideoFrameKey;
   EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK,
             decoder_->Decode(encoded_frame_, false, nullptr));
   EXPECT_GT(WaitForDecodedFrame(), 0u);
   ASSERT_TRUE(decoded_frame_);
   EXPECT_GT(I420PSNR(input_frame_.get(), &*decoded_frame_), 36);
   ASSERT_TRUE(decoded_qp_);
   EXPECT_EQ(encoded_frame_.qp_, *decoded_qp_);
 }
 
+TEST_F(TestVp8Impl, ParserQpEqualsEncodedQp) {
+  SetUpEncodeDecode();
+  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK,
+            encoder_->Encode(*input_frame_, nullptr, nullptr));
+  EXPECT_GT(WaitForEncodedFrame(), 0u);
+
+  int qp = 0;
+  ASSERT_TRUE(vp8::GetQp(encoded_frame_._buffer, encoded_frame_._length, &qp));
+
+  EXPECT_EQ(encoded_frame_.qp_, qp);
+}
+
 #if defined(WEBRTC_ANDROID)
 #define MAYBE_AlignedStrideEncodeDecode DISABLED_AlignedStrideEncodeDecode
 #else
 #define MAYBE_AlignedStrideEncodeDecode AlignedStrideEncodeDecode
 #endif
 TEST_F(TestVp8Impl, MAYBE_AlignedStrideEncodeDecode) {
   SetUpEncodeDecode();
   encoder_->Encode(*input_frame_, nullptr, nullptr);
   EXPECT_GT(WaitForEncodedFrame(), 0u);
   // First frame should be a key frame.
@@ skipping 105 matching lines @@
   // Temporal layer 1.
   input_frame_->set_timestamp(input_frame_->timestamp() +
                               kTimestampIncrementPerFrame);
   EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK,
             encoder_->Encode(*input_frame_, nullptr, nullptr));
   ExpectFrameWith((picture_id + 7) % (1 << 15), (tl0_pic_idx + 3) % (1 << 8),
                   1);
 }
 
 }  // namespace webrtc