Index: media/base/video_frame_unittest.cc |
diff --git a/media/base/video_frame_unittest.cc b/media/base/video_frame_unittest.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..27e15dc7b98f7309443bf0d97146e40e48c4cef2 |
--- /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 |