Revert 96974 - Remove mock_ffmpeg and update media unittests.

media/video/ffmpeg_video_decode_engine_unittest.cc

 // 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.
 
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "media/base/data_buffer.h"
+#include "media/base/mock_ffmpeg.h"
 #include "media/base/mock_task.h"
 #include "media/base/pipeline.h"
-#include "media/base/test_data_util.h"
-#include "media/filters/ffmpeg_glue.h"
 #include "media/video/ffmpeg_video_decode_engine.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using ::testing::_;
 using ::testing::DoAll;
 using ::testing::Return;
 using ::testing::ReturnNull;
 using ::testing::SetArgumentPointee;
 using ::testing::StrictMock;
 
 namespace media {
 
-static const size_t kWidth = 320;
-static const size_t kHeight = 240;
+static const int kWidth = 320;
+static const int kHeight = 240;
 static const int kSurfaceWidth = 522;
 static const int kSurfaceHeight = 288;
 static const AVRational kFrameRate = { 100, 1 };
 
+static void InitializeFrame(uint8_t* data, int width, AVFrame* frame) {
+  frame->data[0] = data;
+  frame->data[1] = data;
+  frame->data[2] = data;
+  frame->linesize[0] = width;
+  frame->linesize[1] = width / 2;
+  frame->linesize[2] = width / 2;
+}
+
 ACTION_P(DecodeComplete, decoder) {
   decoder->set_video_frame(arg0);
 }
 
 ACTION_P2(DemuxComplete, engine, buffer) {
   engine->ConsumeVideoSample(buffer);
 }
 
 ACTION_P(SaveInitializeResult, engine) {
   engine->set_video_codec_info(arg0);
 }
 
 class FFmpegVideoDecodeEngineTest
     : public testing::Test,
       public VideoDecodeEngine::EventHandler {
  public:
   FFmpegVideoDecodeEngineTest()
-      : config_(kCodecVP8, kWidth, kHeight, kSurfaceWidth, kSurfaceHeight,
+      : config_(kCodecH264, kWidth, kHeight, kSurfaceWidth, kSurfaceHeight,
                 kFrameRate.num, kFrameRate.den, NULL, 0) {
-    CHECK(FFmpegGlue::GetInstance());
 
     // Setup FFmpeg structures.
     frame_buffer_.reset(new uint8[kWidth * kHeight]);
+    memset(&yuv_frame_, 0, sizeof(yuv_frame_));
+    InitializeFrame(frame_buffer_.get(), kWidth, &yuv_frame_);
+
+    memset(&codec_context_, 0, sizeof(codec_context_));
+    memset(&codec_, 0, sizeof(codec_));
+
+    buffer_ = new DataBuffer(1);
 
     test_engine_.reset(new FFmpegVideoDecodeEngine());
 
     video_frame_ = VideoFrame::CreateFrame(VideoFrame::YV12,
                                            kWidth,
                                            kHeight,
                                            kNoTimestamp,
                                            kNoTimestamp);
-
-    ReadTestDataFile("vp8-I-frame-320x240", &i_frame_buffer_);
   }
 
   ~FFmpegVideoDecodeEngineTest() {
     test_engine_.reset();
   }
 
   void Initialize() {
+    EXPECT_CALL(mock_ffmpeg_, AVCodecAllocContext())
+        .WillOnce(Return(&codec_context_));
+    EXPECT_CALL(mock_ffmpeg_, AVCodecFindDecoder(CODEC_ID_H264))
+        .WillOnce(Return(&codec_));
+    EXPECT_CALL(mock_ffmpeg_, AVCodecAllocFrame())
+        .WillOnce(Return(&yuv_frame_));
+    EXPECT_CALL(mock_ffmpeg_, AVCodecOpen(&codec_context_, &codec_))
+        .WillOnce(Return(0));
+    EXPECT_CALL(mock_ffmpeg_, AVCodecClose(&codec_context_))
+        .WillOnce(Return(0));
+    EXPECT_CALL(mock_ffmpeg_, AVFree(&yuv_frame_))
+        .Times(1);
+    EXPECT_CALL(mock_ffmpeg_, AVFree(&codec_context_))
+        .Times(1);
+
     EXPECT_CALL(*this, OnInitializeComplete(_))
        .WillOnce(SaveInitializeResult(this));
     test_engine_->Initialize(MessageLoop::current(), this, NULL, config_);
     EXPECT_TRUE(info_.success);
   }
 
-  void Decode(const scoped_refptr<Buffer>& buffer) {
+  void Decode() {
+    EXPECT_CALL(mock_ffmpeg_, AVInitPacket(_));
+    EXPECT_CALL(mock_ffmpeg_,
+                AVCodecDecodeVideo2(&codec_context_, &yuv_frame_, _, _))
+        .WillOnce(DoAll(SetArgumentPointee<2>(1),  // Simulate 1 byte frame.
+                        Return(0)));
+
     EXPECT_CALL(*this, ProduceVideoSample(_))
-        .WillOnce(DemuxComplete(test_engine_.get(), buffer));
+        .WillOnce(DemuxComplete(test_engine_.get(), buffer_));
     EXPECT_CALL(*this, ConsumeVideoFrame(_, _))
         .WillOnce(DecodeComplete(this));
     test_engine_->ProduceVideoFrame(video_frame_);
   }
 
+  void ChangeDimensions(int width, int height) {
+    frame_buffer_.reset(new uint8[width * height]);
+    InitializeFrame(frame_buffer_.get(), width, &yuv_frame_);
+    codec_context_.width = width;
+    codec_context_.height = height;
+  }
+
   // VideoDecodeEngine::EventHandler implementation.
   MOCK_METHOD2(ConsumeVideoFrame,
                void(scoped_refptr<VideoFrame> video_frame,
                     const PipelineStatistics& statistics));
   MOCK_METHOD1(ProduceVideoSample,
                void(scoped_refptr<Buffer> buffer));
   MOCK_METHOD1(OnInitializeComplete,
                void(const VideoCodecInfo& info));
   MOCK_METHOD0(OnUninitializeComplete, void());
   MOCK_METHOD0(OnFlushComplete, void());
   MOCK_METHOD0(OnSeekComplete, void());
   MOCK_METHOD0(OnError, void());
 
   // Used by gmock actions.
   void set_video_frame(scoped_refptr<VideoFrame> video_frame) {
     video_frame_ = video_frame;
   }
 
   void set_video_codec_info(const VideoCodecInfo& info) {
     info_ = info;
   }
 
  protected:
   VideoDecoderConfig config_;
   VideoCodecInfo info_;
   scoped_refptr<VideoFrame> video_frame_;
   scoped_ptr<FFmpegVideoDecodeEngine> test_engine_;
   scoped_array<uint8_t> frame_buffer_;
-  scoped_refptr<Buffer> i_frame_buffer_;
+  StrictMock<MockFFmpeg> mock_ffmpeg_;
+
+  AVFrame yuv_frame_;
+  AVCodecContext codec_context_;
+  AVCodec codec_;
+  scoped_refptr<DataBuffer> buffer_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FFmpegVideoDecodeEngineTest);
 };
 
 TEST_F(FFmpegVideoDecodeEngineTest, Initialize_Normal) {
   Initialize();
 }
 
 TEST_F(FFmpegVideoDecodeEngineTest, Initialize_FindDecoderFails) {
-  VideoDecoderConfig config(kUnknown, kWidth, kHeight, kSurfaceWidth,
-                            kSurfaceHeight, kFrameRate.num, kFrameRate.den,
-                            NULL, 0);
   // Test avcodec_find_decoder() returning NULL.
+  EXPECT_CALL(mock_ffmpeg_, AVCodecAllocContext())
+      .WillOnce(Return(&codec_context_));
+  EXPECT_CALL(mock_ffmpeg_, AVCodecFindDecoder(CODEC_ID_H264))
+      .WillOnce(ReturnNull());
+  EXPECT_CALL(mock_ffmpeg_, AVCodecAllocFrame())
+      .WillOnce(Return(&yuv_frame_));
+  EXPECT_CALL(mock_ffmpeg_, AVCodecClose(&codec_context_))
+      .WillOnce(Return(0));
+  EXPECT_CALL(mock_ffmpeg_, AVFree(&yuv_frame_))
+      .Times(1);
+  EXPECT_CALL(mock_ffmpeg_, AVFree(&codec_context_))
+      .Times(1);
+
   EXPECT_CALL(*this, OnInitializeComplete(_))
      .WillOnce(SaveInitializeResult(this));
-  test_engine_->Initialize(MessageLoop::current(), this, NULL, config);
+  test_engine_->Initialize(MessageLoop::current(), this, NULL, config_);
   EXPECT_FALSE(info_.success);
 }
 
 TEST_F(FFmpegVideoDecodeEngineTest, Initialize_OpenDecoderFails) {
-  // Specify Theora w/o extra data so that avcodec_open() fails.
-  VideoDecoderConfig config(kCodecTheora, kWidth, kHeight, kSurfaceWidth,
-                            kSurfaceHeight, kFrameRate.num, kFrameRate.den,
-                            NULL, 0);
+  // Test avcodec_open() failing.
+  EXPECT_CALL(mock_ffmpeg_, AVCodecAllocContext())
+      .WillOnce(Return(&codec_context_));
+  EXPECT_CALL(mock_ffmpeg_, AVCodecFindDecoder(CODEC_ID_H264))
+      .WillOnce(Return(&codec_));
+  EXPECT_CALL(mock_ffmpeg_, AVCodecAllocFrame())
+      .WillOnce(Return(&yuv_frame_));
+  EXPECT_CALL(mock_ffmpeg_, AVCodecOpen(&codec_context_, &codec_))
+      .WillOnce(Return(-1));
+  EXPECT_CALL(mock_ffmpeg_, AVCodecClose(&codec_context_))
+      .WillOnce(Return(0));
+  EXPECT_CALL(mock_ffmpeg_, AVFree(&yuv_frame_))
+      .Times(1);
+  EXPECT_CALL(mock_ffmpeg_, AVFree(&codec_context_))
+      .Times(1);
+
   EXPECT_CALL(*this, OnInitializeComplete(_))
      .WillOnce(SaveInitializeResult(this));
-  test_engine_->Initialize(MessageLoop::current(), this, NULL, config);
+  test_engine_->Initialize(MessageLoop::current(), this, NULL, config_);
   EXPECT_FALSE(info_.success);
 }
 
 TEST_F(FFmpegVideoDecodeEngineTest, DecodeFrame_Normal) {
   Initialize();
 
-  // We rely on FFmpeg for timestamp and duration reporting.
-  const base::TimeDelta kTimestamp = base::TimeDelta::FromMicroseconds(0);
-  const base::TimeDelta kDuration = base::TimeDelta::FromMicroseconds(10000);
+  // We rely on FFmpeg for timestamp and duration reporting.  The one tricky
+  // bit is calculating the duration when |repeat_pict| > 0.
+  const base::TimeDelta kTimestamp = base::TimeDelta::FromMicroseconds(123);
+  const base::TimeDelta kDuration = base::TimeDelta::FromMicroseconds(15000);
+  yuv_frame_.repeat_pict = 1;
+  yuv_frame_.reordered_opaque = kTimestamp.InMicroseconds();
 
   // Simulate decoding a single frame.
-  Decode(i_frame_buffer_);
+  Decode();
 
   // |video_frame_| timestamp is 0 because we set the timestamp based off
   // the buffer timestamp.
   EXPECT_EQ(0, video_frame_->GetTimestamp().ToInternalValue());
   EXPECT_EQ(kDuration.ToInternalValue(),
             video_frame_->GetDuration().ToInternalValue());
 }
 
 TEST_F(FFmpegVideoDecodeEngineTest, DecodeFrame_0ByteFrame) {
   Initialize();
 
-  scoped_refptr<Buffer> buffer_a = new DataBuffer(1);
+  // Expect a bunch of avcodec calls.
+  EXPECT_CALL(mock_ffmpeg_, AVInitPacket(_))
+      .Times(2);
+  EXPECT_CALL(mock_ffmpeg_,
+              AVCodecDecodeVideo2(&codec_context_, &yuv_frame_, _, _))
+      .WillOnce(DoAll(SetArgumentPointee<2>(0),  // Simulate 0 byte frame.
+                      Return(0)))
+      .WillOnce(DoAll(SetArgumentPointee<2>(1),  // Simulate 1 byte frame.
+                      Return(0)));
 
   EXPECT_CALL(*this, ProduceVideoSample(_))
-      .WillOnce(DemuxComplete(test_engine_.get(), buffer_a))
-      .WillOnce(DemuxComplete(test_engine_.get(), i_frame_buffer_));
+      .WillOnce(DemuxComplete(test_engine_.get(), buffer_))
+      .WillOnce(DemuxComplete(test_engine_.get(), buffer_));
   EXPECT_CALL(*this, ConsumeVideoFrame(_, _))
       .WillOnce(DecodeComplete(this));
   test_engine_->ProduceVideoFrame(video_frame_);
 
   EXPECT_TRUE(video_frame_.get());
 }
 
 TEST_F(FFmpegVideoDecodeEngineTest, DecodeFrame_DecodeError) {
   Initialize();
 
-  scoped_refptr<DataBuffer> buffer =
-      new DataBuffer(i_frame_buffer_->GetDataSize());
-  buffer->SetDataSize(i_frame_buffer_->GetDataSize());
-
-  uint8* buf = buffer->GetWritableData();
-  memcpy(buf, i_frame_buffer_->GetData(), buffer->GetDataSize());
-
-  // Corrupt bytes by flipping bits w/ xor.
-  for (size_t i = 0; i < buffer->GetDataSize(); i++)
-    buf[i] ^= 0xA5;
+  // Expect a bunch of avcodec calls.
+  EXPECT_CALL(mock_ffmpeg_, AVInitPacket(_));
+  EXPECT_CALL(mock_ffmpeg_,
+              AVCodecDecodeVideo2(&codec_context_, &yuv_frame_, _, _))
+      .WillOnce(Return(-1));
 
   EXPECT_CALL(*this, ProduceVideoSample(_))
-      .WillOnce(DemuxComplete(test_engine_.get(), buffer));
+      .WillOnce(DemuxComplete(test_engine_.get(), buffer_));
   EXPECT_CALL(*this, OnError());
 
   test_engine_->ProduceVideoFrame(video_frame_);
 }
 
 TEST_F(FFmpegVideoDecodeEngineTest, DecodeFrame_LargerWidth) {
   Initialize();
-
-  // Decode a frame and verify the width.
-  Decode(i_frame_buffer_);
-  EXPECT_EQ(video_frame_->width(), kWidth);
-  EXPECT_EQ(video_frame_->height(), kHeight);
-
-  // Now decode a frame with a larger width and verify the output size didn't
-  // change.
-  scoped_refptr<Buffer> buffer;
-  ReadTestDataFile("vp8-I-frame-640x240", &buffer);
-  Decode(buffer);
-
-  EXPECT_EQ(kWidth, video_frame_->width());
-  EXPECT_EQ(kHeight, video_frame_->height());
+  ChangeDimensions(kWidth * 2, kHeight);
+  Decode();
 }
 
 TEST_F(FFmpegVideoDecodeEngineTest, DecodeFrame_SmallerWidth) {
   Initialize();
-
-  // Decode a frame and verify the width.
-  Decode(i_frame_buffer_);
-  EXPECT_EQ(video_frame_->width(), kWidth);
-  EXPECT_EQ(video_frame_->height(), kHeight);
-
-  // Now decode a frame with a smaller width and verify the output size didn't
-  // change.
-  scoped_refptr<Buffer> buffer;
-  ReadTestDataFile("vp8-I-frame-160x240", &buffer);
-  Decode(buffer);
-  EXPECT_EQ(video_frame_->width(), kWidth);
-  EXPECT_EQ(video_frame_->height(), kHeight);
+  ChangeDimensions(kWidth / 2, kHeight);
+  Decode();
 }
 
 TEST_F(FFmpegVideoDecodeEngineTest, DecodeFrame_LargerHeight) {
   Initialize();
-
-  // Decode a frame and verify the width.
-  Decode(i_frame_buffer_);
-  EXPECT_EQ(video_frame_->width(), kWidth);
-  EXPECT_EQ(video_frame_->height(), kHeight);
-
-  // Now decode a frame with a larger height and verify the output
-  // size didn't change.
-  scoped_refptr<Buffer> buffer;
-  ReadTestDataFile("vp8-I-frame-320x480", &buffer);
-  Decode(buffer);
-  EXPECT_EQ(kWidth, video_frame_->width());
-  EXPECT_EQ(kHeight, video_frame_->height());
+  ChangeDimensions(kWidth, kHeight * 2);
+  Decode();
 }
 
 TEST_F(FFmpegVideoDecodeEngineTest, DecodeFrame_SmallerHeight) {
   Initialize();
+  ChangeDimensions(kWidth, kHeight / 2);
+  Decode();
+}
 
-  // Decode a frame and verify the width.
-  Decode(i_frame_buffer_);
-  EXPECT_EQ(video_frame_->width(), kWidth);
-  EXPECT_EQ(video_frame_->height(), kHeight);
+TEST_F(FFmpegVideoDecodeEngineTest, GetSurfaceFormat) {
+  Initialize();
 
-  // Now decode a frame with a smaller height and verify the output size
-  // didn't change.
-  scoped_refptr<Buffer> buffer;
-  ReadTestDataFile("vp8-I-frame-320x120", &buffer);
-  Decode(buffer);
-  EXPECT_EQ(kWidth, video_frame_->width());
-  EXPECT_EQ(kHeight, video_frame_->height());
+  // YV12 formats.
+  codec_context_.pix_fmt = PIX_FMT_YUV420P;
+  EXPECT_EQ(VideoFrame::YV12, test_engine_->GetSurfaceFormat());
+  codec_context_.pix_fmt = PIX_FMT_YUVJ420P;
+  EXPECT_EQ(VideoFrame::YV12, test_engine_->GetSurfaceFormat());
+
+  // YV16 formats.
+  codec_context_.pix_fmt = PIX_FMT_YUV422P;
+  EXPECT_EQ(VideoFrame::YV16, test_engine_->GetSurfaceFormat());
+  codec_context_.pix_fmt = PIX_FMT_YUVJ422P;
+  EXPECT_EQ(VideoFrame::YV16, test_engine_->GetSurfaceFormat());
+
+  // Invalid value.
+  codec_context_.pix_fmt = PIX_FMT_NONE;
+  EXPECT_EQ(VideoFrame::INVALID, test_engine_->GetSurfaceFormat());
 }
 
 }  // namespace media