Merged VideoSurface, VideoFrame and VideoFrameImpl in VideoFrame.

Patch by sergeyu@chromium.org

BUG=28100
TEST=Ran media_unittests

Review URL: http://codereview.chromium.org/1226001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@42391 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 176 insertions, 0 deletions

diff --git a/media/base/video_frame_unittest.cc b/media/base/video_frame_unittest.cc
new file mode 100644
index 0000000..27e15dc
--- /dev/null
+++ b/media/base/video_frame_unittest.cc
@@ -0,0 +1,176 @@
+// Copyright (c) 2010 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 "media/base/video_frame.h"
+
+#include "base/format_macros.h"
+#include "base/string_util.h"
+#include "media/base/buffers.h"
+#include "media/base/mock_filters.h"
+#include "media/base/yuv_convert.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace media {
+
+// Helper function that initializes a YV12 frame with white and black scan
+// lines based on the |white_to_black| parameter.  If 0, then the entire
+// frame will be black, if 1 then the entire frame will be white.
+void InitializeYV12Frame(VideoFrame* frame, double white_to_black) {
+  EXPECT_EQ(VideoFrame::YV12, frame->format());
+  size_t first_black_row = static_cast<size_t>(frame->height() *
+                                               white_to_black);
+  uint8* y_plane = frame->data(VideoFrame::kYPlane);
+  for (size_t row = 0; row < frame->height(); ++row) {
+    int color = (row < first_black_row) ? 0xFF : 0x00;
+    memset(y_plane, color, frame->width());
+    y_plane += frame->stride(VideoFrame::kYPlane);
+  }
+  uint8* u_plane = frame->data(VideoFrame::kUPlane);
+  uint8* v_plane = frame->data(VideoFrame::kVPlane);
+  for (size_t row = 0; row < frame->height(); row += 2) {
+    memset(u_plane, 0x80, frame->width() / 2);
+    memset(v_plane, 0x80, frame->width() / 2);
+    u_plane += frame->stride(VideoFrame::kUPlane);
+    v_plane += frame->stride(VideoFrame::kVPlane);
+  }
+}
+
+// Given a |yv12_frame| this method converts the YV12 frame to RGBA and
+// makes sure that all the pixels of the RBG frame equal |expect_rgb_color|.
+void ExpectFrameColor(media::VideoFrame* yv12_frame, uint32 expect_rgb_color) {
+  // On linux and mac builds if you directly compare using EXPECT_EQ and use
+  // the VideoFrame::kNumxxxPlanes constants, it generates an error when
+  // linking.  These are declared so that we can compare against locals.
+  const size_t expect_yuv_planes = VideoFrame::kNumYUVPlanes;
+  const size_t expect_rgb_planes = VideoFrame::kNumRGBPlanes;
+
+  ASSERT_EQ(VideoFrame::YV12, yv12_frame->format());
+  ASSERT_EQ(expect_yuv_planes, yv12_frame->planes());
+  ASSERT_EQ(yv12_frame->stride(VideoFrame::kUPlane),
+            yv12_frame->stride(VideoFrame::kVPlane));
+
+  scoped_refptr<media::VideoFrame> rgb_frame;
+  media::VideoFrame::CreateFrame(VideoFrame::RGBA,
+                                 yv12_frame->width(),
+                                 yv12_frame->height(),
+                                 yv12_frame->GetTimestamp(),
+                                 yv12_frame->GetDuration(),
+                                 &rgb_frame);
+
+  ASSERT_EQ(yv12_frame->width(), rgb_frame->width());
+  ASSERT_EQ(yv12_frame->height(), rgb_frame->height());
+  ASSERT_EQ(expect_rgb_planes, rgb_frame->planes());
+
+  media::ConvertYUVToRGB32(yv12_frame->data(VideoFrame::kYPlane),
+                           yv12_frame->data(VideoFrame::kUPlane),
+                           yv12_frame->data(VideoFrame::kVPlane),
+                           rgb_frame->data(VideoFrame::kRGBPlane),
+                           rgb_frame->width(),
+                           rgb_frame->height(),
+                           yv12_frame->stride(VideoFrame::kYPlane),
+                           yv12_frame->stride(VideoFrame::kUPlane),
+                           rgb_frame->stride(VideoFrame::kRGBPlane),
+                           media::YV12);
+
+  for (size_t row = 0; row < rgb_frame->height(); ++row) {
+    uint32* rgb_row_data = reinterpret_cast<uint32*>(
+        rgb_frame->data(VideoFrame::kRGBPlane) +
+        (rgb_frame->stride(VideoFrame::kRGBPlane) * row));
+    for (size_t col = 0; col < rgb_frame->width(); ++col) {
+      SCOPED_TRACE(StringPrintf("Checking (%" PRIuS ", %" PRIuS ")",
+                                row, col));
+      EXPECT_EQ(expect_rgb_color, rgb_row_data[col]);
+    }
+  }
+}
+
+TEST(VideoFrame, CreateFrame) {
+  const size_t kWidth = 64;
+  const size_t kHeight = 48;
+  const base::TimeDelta kTimestampA = base::TimeDelta::FromMicroseconds(1337);
+  const base::TimeDelta kDurationA = base::TimeDelta::FromMicroseconds(1667);
+  const base::TimeDelta kTimestampB = base::TimeDelta::FromMicroseconds(1234);
+  const base::TimeDelta kDurationB = base::TimeDelta::FromMicroseconds(5678);
+
+  // Create a YV12 Video Frame.
+  scoped_refptr<media::VideoFrame> frame;
+  VideoFrame::CreateFrame(media::VideoFrame::YV12, kWidth, kHeight,
+                          kTimestampA, kDurationA, &frame);
+  ASSERT_TRUE(frame);
+
+  // Test StreamSample implementation.
+  EXPECT_EQ(kTimestampA.InMicroseconds(),
+            frame->GetTimestamp().InMicroseconds());
+  EXPECT_EQ(kDurationA.InMicroseconds(),
+            frame->GetDuration().InMicroseconds());
+  EXPECT_FALSE(frame->IsEndOfStream());
+  EXPECT_FALSE(frame->IsDiscontinuous());
+  frame->SetTimestamp(kTimestampB);
+  frame->SetDuration(kDurationB);
+  EXPECT_EQ(kTimestampB.InMicroseconds(),
+            frame->GetTimestamp().InMicroseconds());
+  EXPECT_EQ(kDurationB.InMicroseconds(),
+            frame->GetDuration().InMicroseconds());
+  EXPECT_FALSE(frame->IsEndOfStream());
+  frame->SetDiscontinuous(true);
+  EXPECT_TRUE(frame->IsDiscontinuous());
+  frame->SetDiscontinuous(false);
+  EXPECT_FALSE(frame->IsDiscontinuous());
+
+  // Test VideoFrame implementation.
+  {
+    SCOPED_TRACE("");
+    InitializeYV12Frame(frame, 0.0f);
+    ExpectFrameColor(frame, 0xFF000000);
+  }
+  {
+    SCOPED_TRACE("");
+    InitializeYV12Frame(frame, 1.0f);
+    ExpectFrameColor(frame, 0xFFFFFFFF);
+  }
+
+  // Test an empty frame.
+  VideoFrame::CreateEmptyFrame(&frame);
+  EXPECT_TRUE(frame->IsEndOfStream());
+}
+
+TEST(VideoFrame, CreateBlackFrame) {
+  const size_t kWidth = 2;
+  const size_t kHeight = 2;
+  const uint8 kExpectedYRow[] = { 0, 0 };
+  const uint8 kExpectedUVRow[] = { 128 };
+
+  scoped_refptr<media::VideoFrame> frame;
+  VideoFrame::CreateBlackFrame(kWidth, kHeight, &frame);
+  ASSERT_TRUE(frame);
+
+  // Test basic properties.
+  EXPECT_EQ(0, frame->GetTimestamp().InMicroseconds());
+  EXPECT_EQ(0, frame->GetDuration().InMicroseconds());
+  EXPECT_FALSE(frame->IsEndOfStream());
+
+  // Test |frame| properties.
+  EXPECT_EQ(VideoFrame::YV12, frame->format());
+  EXPECT_EQ(kWidth, frame->width());
+  EXPECT_EQ(kHeight, frame->height());
+  EXPECT_EQ(3u, frame->planes());
+
+  // Test frames themselves.
+  uint8* y_plane = frame->data(VideoFrame::kYPlane);
+  for (size_t y = 0; y < frame->height(); ++y) {
+    EXPECT_EQ(0, memcmp(kExpectedYRow, y_plane, arraysize(kExpectedYRow)));
+    y_plane += frame->stride(VideoFrame::kYPlane);
+  }
+
+  uint8* u_plane = frame->data(VideoFrame::kUPlane);
+  uint8* v_plane = frame->data(VideoFrame::kVPlane);
+  for (size_t y = 0; y < frame->height() / 2; ++y) {
+    EXPECT_EQ(0, memcmp(kExpectedUVRow, u_plane, arraysize(kExpectedUVRow)));
+    EXPECT_EQ(0, memcmp(kExpectedUVRow, v_plane, arraysize(kExpectedUVRow)));
+    u_plane += frame->stride(VideoFrame::kUPlane);
+    v_plane += frame->stride(VideoFrame::kVPlane);
+  }
+}
+
+}  // namespace media