Reenable encoder/decoder tests.

BUG=57351
TEST=Unittests

Review URL: http://codereview.chromium.org/5635003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@68504 0039d316-1c4b-4281-b951-d872f2087c98

6 files changed, 69 insertions, 140 deletions

diff --git a/remoting/base/codec_test.cc b/remoting/base/codec_test.cc
index dcc165e..0521b52d 100644
--- a/remoting/base/codec_test.cc
+++ b/remoting/base/codec_test.cc
@@ -29,42 +29,6 @@ static const gfx::Rect kTestRects[] = {
 
 namespace remoting {
 
-// A class to test that the state transition of the Encoder is correct.
-class EncoderStateTester {
- public:
-  EncoderStateTester()
-      : next_state_(Encoder::EncodingStarting) {
-  }
-
-  ~EncoderStateTester() {
-    EXPECT_EQ(Encoder::EncodingStarting, next_state_);
-  }
-
-  // Set the state output of the Encoder.
-  void ReceivedState(Encoder::EncodingState state) {
-    if (state & Encoder::EncodingStarting) {
-      EXPECT_EQ(Encoder::EncodingStarting, next_state_);
-      next_state_ = Encoder::EncodingInProgress | Encoder::EncodingEnded;
-    } else {
-      EXPECT_FALSE(next_state_ & Encoder::EncodingStarting);
-    }
-
-    if (state & Encoder::EncodingInProgress) {
-      EXPECT_TRUE(next_state_ & Encoder::EncodingInProgress);
-    }
-
-    if (state & Encoder::EncodingEnded) {
-      EXPECT_TRUE(next_state_ & Encoder::EncodingEnded);
-      next_state_ = Encoder::EncodingStarting;
-    }
-  }
-
- private:
-  Encoder::EncodingState next_state_;
-
-  DISALLOW_COPY_AND_ASSIGN(EncoderStateTester);
-};
-
 // A class to test the message output of the encoder.
 class EncoderMessageTester {
  public:
@@ -86,35 +50,31 @@ class EncoderMessageTester {
     }
   }
 
-  // Test that we received the correct message.
-  void ReceivedMessage(ChromotingHostMessage* message) {
-    EXPECT_TRUE(message->has_update_stream_packet());
-
+  // Test that we received the correct packet.
+  void ReceivedPacket(VideoPacket* packet) {
     if (state_ == kWaitingForBeginRect) {
-      EXPECT_TRUE(message->update_stream_packet().has_begin_rect());
+      EXPECT_TRUE((packet->flags() & VideoPacket::FIRST_PACKET) != 0);
       state_ = kWaitingForRectData;
       ++begin_rect_;
 
       if (strict_) {
         gfx::Rect rect = rects_.front();
         rects_.pop_front();
-        EXPECT_EQ(rect.x(), message->update_stream_packet().begin_rect().x());
-        EXPECT_EQ(rect.y(), message->update_stream_packet().begin_rect().y());
-        EXPECT_EQ(rect.width(),
-                  message->update_stream_packet().begin_rect().width());
-        EXPECT_EQ(rect.height(),
-                  message->update_stream_packet().begin_rect().height());
+        EXPECT_EQ(rect.x(), packet->format().x());
+        EXPECT_EQ(rect.y(), packet->format().y());
+        EXPECT_EQ(rect.width(), packet->format().width());
+        EXPECT_EQ(rect.height(), packet->format().height());
       }
     } else {
-      EXPECT_FALSE(message->update_stream_packet().has_begin_rect());
+      EXPECT_FALSE((packet->flags() & VideoPacket::FIRST_PACKET) != 0);
     }
 
     if (state_ == kWaitingForRectData) {
-      if (message->update_stream_packet().has_rect_data()) {
+      if (packet->has_data()) {
         ++rect_data_;
       }
 
-      if (message->update_stream_packet().has_end_rect()) {
+      if ((packet->flags() & VideoPacket::LAST_PACKET) != 0) {
         // Expect that we have received some data.
         EXPECT_GT(rect_data_, 0);
         rect_data_ = 0;
@@ -155,32 +115,28 @@ class DecoderTester {
  public:
   DecoderTester(Decoder* decoder)
       : strict_(false),
-        decoder_(decoder),
-        decode_done_(false) {
+        decoder_(decoder) {
     media::VideoFrame::CreateFrame(media::VideoFrame::RGB32,
                                    kWidth, kHeight,
                                    base::TimeDelta(),
                                    base::TimeDelta(), &frame_);
     EXPECT_TRUE(frame_.get());
+    decoder_->Initialize(frame_);
   }
 
-  void ReceivedMessage(ChromotingHostMessage* message) {
-    if (message->has_update_stream_packet()) {
-      EXPECT_TRUE(decoder_->PartialDecode(message));
-      return;
-    }
+  void Reset() {
+    rects_.clear();
+    update_rects_.clear();
+  }
 
-    if (message->has_begin_update_stream()) {
-      EXPECT_TRUE(decoder_->BeginDecode(
-          frame_, &update_rects_,
-          NewRunnableMethod(this, &DecoderTester::OnPartialDecodeDone),
-          NewRunnableMethod(this, &DecoderTester::OnDecodeDone)));
-    }
+  void ReceivedPacket(VideoPacket* packet) {
+    Decoder::DecodeResult result = decoder_->DecodePacket(packet);
+
+    ASSERT_NE(Decoder::DECODE_ERROR, result);
 
-    if (message->has_end_update_stream()) {
-      decoder_->EndDecode();
+    if (result == Decoder::DECODE_DONE) {
+      decoder_->GetUpdatedRects(&update_rects_);
     }
-    delete message;
   }
 
   void set_strict(bool strict) {
@@ -195,19 +151,16 @@ class DecoderTester {
     rects_.insert(rects_.begin() + rects_.size(), rects, rects + count);
   }
 
-  bool decode_done() const { return decode_done_; }
-  void reset_decode_done() { decode_done_ = false; }
-
- private:
-  void OnPartialDecodeDone() {
+  void VerifyResults() {
     if (!strict_)
       return;
 
+    ASSERT_TRUE(capture_data_.get());
+
     // Test the content of the update rect.
+    ASSERT_EQ(rects_.size(), update_rects_.size());
     for (size_t i = 0; i < update_rects_.size(); ++i) {
-      EXPECT_FALSE(rects_.empty());
-      gfx::Rect rect = rects_.front();
-      rects_.pop_front();
+      gfx::Rect rect = rects_[i];
       EXPECT_EQ(rect, update_rects_[i]);
 
       EXPECT_EQ(frame_->stride(0), capture_data_->data_planes().strides[0]);
@@ -226,29 +179,13 @@ class DecoderTester {
     }
   }
 
-  void OnDecodeDone() {
-    decode_done_ = true;
-    if (!strict_)
-      return;
-
-    EXPECT_TRUE(capture_data_.get());
-    for (int i = 0; i < DataPlanes::kPlaneCount; ++i) {
-      if (!frame_->data(i) || !capture_data_->data_planes().data[i])
-        continue;
-      // TODO(hclam): HAndle YUV.
-      int size = capture_data_->data_planes().strides[i] * kHeight;
-      EXPECT_EQ(0, memcmp(capture_data_->data_planes().data[i],
-                          frame_->data(i), size));
-    }
-  }
-
+ private:
   bool strict_;
   std::deque<gfx::Rect> rects_;
   UpdatedRects update_rects_;
   Decoder* decoder_;
   scoped_refptr<media::VideoFrame> frame_;
   scoped_refptr<CaptureData> capture_data_;
-  bool decode_done_;
 
   DISALLOW_COPY_AND_ASSIGN(DecoderTester);
 };
@@ -257,10 +194,8 @@ class DecoderTester {
 // message to other subprograms for validaton.
 class EncoderTester {
  public:
-  EncoderTester(EncoderMessageTester* message_tester,
-                EncoderStateTester* state_tester)
+  EncoderTester(EncoderMessageTester* message_tester)
       : message_tester_(message_tester),
-        state_tester_(state_tester),
         decoder_tester_(NULL),
         data_available_(0) {
   }
@@ -269,32 +204,16 @@ class EncoderTester {
     EXPECT_GT(data_available_, 0);
   }
 
-  void DataAvailable(ChromotingHostMessage* message,
-                     Encoder::EncodingState state) {
+  void DataAvailable(VideoPacket *packet) {
     ++data_available_;
-    message_tester_->ReceivedMessage(message);
-    state_tester_->ReceivedState(state);
+    message_tester_->ReceivedPacket(packet);
 
     // Send the message to the DecoderTester.
     if (decoder_tester_) {
-      if (state & Encoder::EncodingStarting) {
-        ChromotingHostMessage* begin_update = new ChromotingHostMessage();
-        begin_update->mutable_begin_update_stream();
-        decoder_tester_->ReceivedMessage(begin_update);
-      }
-
-      if (state & Encoder::EncodingInProgress) {
-        decoder_tester_->ReceivedMessage(message);
-      }
-
-      if (state & Encoder::EncodingEnded) {
-        ChromotingHostMessage* end_update = new ChromotingHostMessage();
-        end_update->mutable_end_update_stream();
-        decoder_tester_->ReceivedMessage(end_update);
-      }
-    } else {
-      delete message;
+      decoder_tester_->ReceivedPacket(packet);
     }
+
+    delete packet;
   }
 
   void AddRects(const gfx::Rect* rects, int count) {
@@ -307,17 +226,16 @@ class EncoderTester {
 
  private:
   EncoderMessageTester* message_tester_;
-  EncoderStateTester* state_tester_;
   DecoderTester* decoder_tester_;
   int data_available_;
 
   DISALLOW_COPY_AND_ASSIGN(EncoderTester);
 };
 
-scoped_refptr<CaptureData> PrepareEncodeData(PixelFormat format,
+scoped_refptr<CaptureData> PrepareEncodeData(media::VideoFrame::Format format,
                                              uint8** memory) {
   // TODO(hclam): Support also YUV format.
-  CHECK(format == PIXEL_FORMAT_RGB32);
+  CHECK_EQ(format, media::VideoFrame::RGB32);
   int size = kWidth * kHeight * kBytesPerPixel;
 
   *memory = new uint8[size];
@@ -355,12 +273,11 @@ void TestEncoder(Encoder* encoder, bool strict) {
   EncoderMessageTester message_tester;
   message_tester.set_strict(strict);
 
-  EncoderStateTester state_tester;
-  EncoderTester tester(&message_tester, &state_tester);
+  EncoderTester tester(&message_tester);
 
   uint8* memory;
   scoped_refptr<CaptureData> data =
-      PrepareEncodeData(PIXEL_FORMAT_RGB32, &memory);
+      PrepareEncodeData(media::VideoFrame::RGB32, &memory);
 
   TestEncodingRects(encoder, &tester, data, kTestRects, 1);
   TestEncodingRects(encoder, &tester, data, kTestRects + 1, 1);
@@ -380,7 +297,6 @@ static void TestEncodingRects(Encoder* encoder,
   }
   encoder_tester->AddRects(rects, count);
   decoder_tester->AddRects(rects, count);
-  decoder_tester->reset_decode_done();
 
   // Generate random data for the updated rects.
   srand(0);
@@ -400,19 +316,19 @@ static void TestEncodingRects(Encoder* encoder,
 
   encoder->Encode(data, true,
                   NewCallback(encoder_tester, &EncoderTester::DataAvailable));
-  EXPECT_TRUE(decoder_tester->decode_done());
+  decoder_tester->VerifyResults();
+  decoder_tester->Reset();
 }
 
 void TestEncoderDecoder(Encoder* encoder, Decoder* decoder, bool strict) {
   EncoderMessageTester message_tester;
   message_tester.set_strict(strict);
 
-  EncoderStateTester state_tester;
-  EncoderTester encoder_tester(&message_tester, &state_tester);
+  EncoderTester encoder_tester(&message_tester);
 
   uint8* memory;
   scoped_refptr<CaptureData> data =
-      PrepareEncodeData(PIXEL_FORMAT_RGB32, &memory);
+      PrepareEncodeData(media::VideoFrame::RGB32, &memory);
   DecoderTester decoder_tester(decoder);
   decoder_tester.set_strict(strict);
   decoder_tester.set_capture_data(data);
diff --git a/remoting/base/codec_test.h b/remoting/base/codec_test.h
index d5702dd..613a537 100644
--- a/remoting/base/codec_test.h
+++ b/remoting/base/codec_test.h
@@ -16,7 +16,7 @@ class Encoder;
 
 // Prepare testing data for encoding. Memory created is written to |memory|.
 // Returns randomly generated data in CaptureData.
-scoped_refptr<CaptureData> PrepareEncodeData(PixelFormat format,
+scoped_refptr<CaptureData> PrepareEncodeData(media::VideoFrame::Format format,
                                              uint8** memory);
 
 // Generate test data and test the encoder for a regular encoding sequence.
diff --git a/remoting/base/encode_decode_unittest.cc b/remoting/base/encode_decode_unittest.cc
index 4e859a6..d1d409d 100644
--- a/remoting/base/encode_decode_unittest.cc
+++ b/remoting/base/encode_decode_unittest.cc
@@ -5,29 +5,29 @@
 #include "media/base/video_frame.h"
 #include "remoting/base/codec_test.h"
 #include "remoting/base/decoder_row_based.h"
-#include "remoting/base/encoder_zlib.h"
+#include "remoting/base/encoder_row_based.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace remoting {
 
 TEST(EncodeDecodeTest, EncodeAndDecodeZlib) {
-  EncoderZlib encoder;
+  scoped_ptr<EncoderRowBased> encoder(EncoderRowBased::CreateZlibEncoder());
   scoped_ptr<DecoderRowBased> decoder(DecoderRowBased::CreateZlibDecoder());
   decoder->set_reverse_rows(false);
-  TestEncoderDecoder(&encoder, decoder.get(), true);
+  TestEncoderDecoder(encoder.get(), decoder.get(), true);
 }
 
 TEST(EncodeDecodeTest, EncodeAndDecodeSmallOutputBufferZlib) {
-  EncoderZlib encoder(64);
+  scoped_ptr<EncoderRowBased> encoder(EncoderRowBased::CreateZlibEncoder(64));
   scoped_ptr<DecoderRowBased> decoder(DecoderRowBased::CreateZlibDecoder());
   decoder->set_reverse_rows(false);
-  TestEncoderDecoder(&encoder, decoder.get(), true);
+  TestEncoderDecoder(encoder.get(), decoder.get(), true);
 }
 
 TEST(EncodeDecodeTest, EncodeAndDecodeNoneStrictZlib) {
-  EncoderZlib encoder;
+  scoped_ptr<EncoderRowBased> encoder(EncoderRowBased::CreateZlibEncoder());
   scoped_ptr<DecoderRowBased> decoder(DecoderRowBased::CreateZlibDecoder());
-  TestEncoderDecoder(&encoder, decoder.get(), false);
+  TestEncoderDecoder(encoder.get(), decoder.get(), false);
 }
 
 }  // namespace remoting
diff --git a/remoting/base/encoder_row_based.cc b/remoting/base/encoder_row_based.cc
index a7919e1..6a797b2 100644
--- a/remoting/base/encoder_row_based.cc
+++ b/remoting/base/encoder_row_based.cc
@@ -21,11 +21,23 @@ EncoderRowBased* EncoderRowBased::CreateZlibEncoder() {
                              VideoPacketFormat::ENCODING_ZLIB);
 }
 
+EncoderRowBased* EncoderRowBased::CreateZlibEncoder(int packet_size) {
+  return new EncoderRowBased(new CompressorZlib(),
+                             VideoPacketFormat::ENCODING_ZLIB,
+                             packet_size);
+}
+
 EncoderRowBased* EncoderRowBased::CreateVerbatimEncoder() {
   return new EncoderRowBased(new CompressorVerbatim(),
                              VideoPacketFormat::ENCODING_VERBATIM);
 }
 
+EncoderRowBased* EncoderRowBased::CreateVerbatimEncoder(int packet_size) {
+  return new EncoderRowBased(new CompressorVerbatim(),
+                             VideoPacketFormat::ENCODING_VERBATIM,
+                             packet_size);
+}
+
 EncoderRowBased::EncoderRowBased(Compressor* compressor,
                                  VideoPacketFormat::Encoding encoding)
     : encoding_(encoding),
diff --git a/remoting/base/encoder_row_based.h b/remoting/base/encoder_row_based.h
index bdc992d..1dfd916 100644
--- a/remoting/base/encoder_row_based.h
+++ b/remoting/base/encoder_row_based.h
@@ -25,7 +25,9 @@ class UpdateStreamPacket;
 class EncoderRowBased : public Encoder {
  public:
   static EncoderRowBased* CreateZlibEncoder();
+  static EncoderRowBased* CreateZlibEncoder(int packet_size);
   static EncoderRowBased* CreateVerbatimEncoder();
+  static EncoderRowBased* CreateVerbatimEncoder(int packet_size);
 
   virtual ~EncoderRowBased();
 
diff --git a/remoting/base/encoder_row_based_unittest.cc b/remoting/base/encoder_row_based_unittest.cc
index 8f54e82..735e806 100644
--- a/remoting/base/encoder_row_based_unittest.cc
+++ b/remoting/base/encoder_row_based_unittest.cc
@@ -3,20 +3,19 @@
 // found in the LICENSE file.
 
 #include "remoting/base/codec_test.h"
-#include "remoting/base/encoder_zlib.h"
+#include "remoting/base/encoder_row_based.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace remoting {
 
 TEST(EncoderZlibTest, TestEncoder) {
-  EncoderZlib encoder;
-  TestEncoder(&encoder, true);
+  scoped_ptr<EncoderRowBased> encoder(EncoderRowBased::CreateZlibEncoder());
+  TestEncoder(encoder.get(), true);
 }
 
-
 TEST(EncoderZlibTest, TestEncoderSmallOutputBuffer) {
-  EncoderZlib encoder(16);
-  TestEncoder(&encoder, true);
+  scoped_ptr<EncoderRowBased> encoder(EncoderRowBased::CreateZlibEncoder(16));
+  TestEncoder(encoder.get(), true);
 }
 
 }  // namespace remoting