Remove mock_ffmpeg and update media unittests.

media/video/ffmpeg_video_decode_engine_unittest.cc

Index: media/video/ffmpeg_video_decode_engine_unittest.cc
diff --git a/media/video/ffmpeg_video_decode_engine_unittest.cc b/media/video/ffmpeg_video_decode_engine_unittest.cc
index 261ca45dfb7a055abc1af8701181e70e10f7da0d..665fb861fd4e4cd0736a4f49f1b9ec9296fb31f2 100644
--- a/media/video/ffmpeg_video_decode_engine_unittest.cc
+++ b/media/video/ffmpeg_video_decode_engine_unittest.cc
@@ -5,9 +5,10 @@
 #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"
@@ -21,21 +22,12 @@ using ::testing::StrictMock;
 
 namespace media {
 
-static const int kWidth = 320;
-static const int kHeight = 240;
+static const size_t kWidth = 320;
+static const size_t 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);
 }
@@ -53,18 +45,12 @@ class FFmpegVideoDecodeEngineTest
       public VideoDecodeEngine::EventHandler {
  public:
   FFmpegVideoDecodeEngineTest()
-      : config_(kCodecH264, kWidth, kHeight, kSurfaceWidth, kSurfaceHeight,
+      : config_(kCodecVP8, 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());
 
@@ -73,6 +59,8 @@ class FFmpegVideoDecodeEngineTest
                                            kHeight,
                                            kNoTimestamp,
                                            kNoTimestamp);
+
+    ReadTestDataFile("vp8-I-frame-320x240", &i_frame_buffer_);
   }
 
   ~FFmpegVideoDecodeEngineTest() {
@@ -80,48 +68,20 @@ class FFmpegVideoDecodeEngineTest
   }
 
   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() {
-    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)));
-
+  void Decode(const scoped_refptr<Buffer>& buffer) {
     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,
@@ -150,12 +110,7 @@ class FFmpegVideoDecodeEngineTest
   scoped_refptr<VideoFrame> video_frame_;
   scoped_ptr<FFmpegVideoDecodeEngine> test_engine_;
   scoped_array<uint8_t> frame_buffer_;
-  StrictMock<MockFFmpeg> mock_ffmpeg_;
-
-  AVFrame yuv_frame_;
-  AVCodecContext codec_context_;
-  AVCodec codec_;
-  scoped_refptr<DataBuffer> buffer_;
+  scoped_refptr<Buffer> i_frame_buffer_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FFmpegVideoDecodeEngineTest);
@@ -166,61 +121,36 @@ TEST_F(FFmpegVideoDecodeEngineTest, Initialize_Normal) {
 }
 
 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) {
-  // 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);
-
+  // Specify Theora w/o extra data so that avcodec_open() fails.
+  VideoDecoderConfig config(kCodecTheora, kWidth, kHeight, kSurfaceWidth,
+                            kSurfaceHeight, kFrameRate.num, kFrameRate.den,
+                            NULL, 0);
   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.  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();
+  // 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);
 
   // Simulate decoding a single frame.
-  Decode();
+  Decode(i_frame_buffer_);
 
   // |video_frame_| timestamp is 0 because we set the timestamp based off
   // the buffer timestamp.
@@ -232,19 +162,11 @@ TEST_F(FFmpegVideoDecodeEngineTest, DecodeFrame_Normal) {
 TEST_F(FFmpegVideoDecodeEngineTest, DecodeFrame_0ByteFrame) {
   Initialize();
 
-  // 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)));
+  scoped_refptr<Buffer> buffer_a = new DataBuffer(1);
 
   EXPECT_CALL(*this, ProduceVideoSample(_))
-      .WillOnce(DemuxComplete(test_engine_.get(), buffer_))
-      .WillOnce(DemuxComplete(test_engine_.get(), buffer_));
+      .WillOnce(DemuxComplete(test_engine_.get(), buffer_a))
+      .WillOnce(DemuxComplete(test_engine_.get(), i_frame_buffer_));
   EXPECT_CALL(*this, ConsumeVideoFrame(_, _))
       .WillOnce(DecodeComplete(this));
   test_engine_->ProduceVideoFrame(video_frame_);
@@ -255,14 +177,19 @@ TEST_F(FFmpegVideoDecodeEngineTest, DecodeFrame_0ByteFrame) {
 TEST_F(FFmpegVideoDecodeEngineTest, DecodeFrame_DecodeError) {
   Initialize();
 
-  // Expect a bunch of avcodec calls.
-  EXPECT_CALL(mock_ffmpeg_, AVInitPacket(_));
-  EXPECT_CALL(mock_ffmpeg_,
-              AVCodecDecodeVideo2(&codec_context_, &yuv_frame_, _, _))
-      .WillOnce(Return(-1));
+  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_CALL(*this, ProduceVideoSample(_))
-      .WillOnce(DemuxComplete(test_engine_.get(), buffer_));
+      .WillOnce(DemuxComplete(test_engine_.get(), buffer));
   EXPECT_CALL(*this, OnError());
 
   test_engine_->ProduceVideoFrame(video_frame_);
@@ -270,46 +197,71 @@ TEST_F(FFmpegVideoDecodeEngineTest, DecodeFrame_DecodeError) {
 
 TEST_F(FFmpegVideoDecodeEngineTest, DecodeFrame_LargerWidth) {
   Initialize();
-  ChangeDimensions(kWidth * 2, kHeight);
-  Decode();
+
+  // 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());
 }
 
 TEST_F(FFmpegVideoDecodeEngineTest, DecodeFrame_SmallerWidth) {
   Initialize();
-  ChangeDimensions(kWidth / 2, kHeight);
-  Decode();
+
+  // 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);
 }
 
 TEST_F(FFmpegVideoDecodeEngineTest, DecodeFrame_LargerHeight) {
   Initialize();
-  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);
+
+  // 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());
 }
 
-TEST_F(FFmpegVideoDecodeEngineTest, GetSurfaceFormat) {
+TEST_F(FFmpegVideoDecodeEngineTest, DecodeFrame_SmallerHeight) {
   Initialize();
 
-  // 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());
+  // 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 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());
 }
 
 }  // namespace media