webrtc/common_video/i420_video_frame_unittest.cc - src - Git at Google

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */

 #include <math.h>
 #include <string.h>

 #include "testing/gtest/include/gtest/gtest.h"
 #include "webrtc/base/bind.h"
 #include "webrtc/test/fake_texture_frame.h"
 #include "webrtc/test/frame_utils.h"
 #include "webrtc/video_frame.h"

 namespace webrtc {

 int ExpectedSize(int plane_stride, int image_height, PlaneType type);

 TEST(TestVideoFrame, InitialValues) {
   VideoFrame frame;
   EXPECT_TRUE(frame.IsZeroSize());
   EXPECT_EQ(kVideoRotation_0, frame.rotation());
 }

 TEST(TestVideoFrame, CopiesInitialFrameWithoutCrashing) {
   VideoFrame frame;
   VideoFrame frame2;
   frame2.CopyFrame(frame);
 }

 TEST(TestVideoFrame, WidthHeightValues) {
   VideoFrame frame;
   const int valid_value = 10;
   frame.CreateEmptyFrame(10, 10, 10, 14, 90);
   EXPECT_EQ(valid_value, frame.width());
   EXPECT_EQ(valid_value, frame.height());
   frame.set_timestamp(123u);
   EXPECT_EQ(123u, frame.timestamp());
   frame.set_ntp_time_ms(456);
   EXPECT_EQ(456, frame.ntp_time_ms());
   frame.set_render_time_ms(789);
   EXPECT_EQ(789, frame.render_time_ms());
 }

 TEST(TestVideoFrame, SizeAllocation) {
   VideoFrame frame;
   frame. CreateEmptyFrame(10, 10, 12, 14, 220);
   int height = frame.height();
   int stride_y = frame.video_frame_buffer()->StrideY();
   int stride_u = frame.video_frame_buffer()->StrideU();
   int stride_v = frame.video_frame_buffer()->StrideV();
   // Verify that allocated size was computed correctly.
   EXPECT_EQ(ExpectedSize(stride_y, height, kYPlane),
             frame.allocated_size(kYPlane));
   EXPECT_EQ(ExpectedSize(stride_u, height, kUPlane),
             frame.allocated_size(kUPlane));
   EXPECT_EQ(ExpectedSize(stride_v, height, kVPlane),
             frame.allocated_size(kVPlane));
 }

 TEST(TestVideoFrame, CopyFrame) {
   uint32_t timestamp = 1;
   int64_t ntp_time_ms = 2;
   int64_t render_time_ms = 3;
   int stride_y = 15;
   int stride_u = 10;
   int stride_v = 10;
   int width = 15;
   int height = 15;
   // Copy frame.
   VideoFrame small_frame;
   small_frame.CreateEmptyFrame(width, height,
                                stride_y, stride_u, stride_v);
   small_frame.set_timestamp(timestamp);
   small_frame.set_ntp_time_ms(ntp_time_ms);
   small_frame.set_render_time_ms(render_time_ms);
   const int kSizeY = 400;
   const int kSizeU = 100;
   const int kSizeV = 100;
   const VideoRotation kRotation = kVideoRotation_270;
   uint8_t buffer_y[kSizeY];
   uint8_t buffer_u[kSizeU];
   uint8_t buffer_v[kSizeV];
   memset(buffer_y, 16, kSizeY);
   memset(buffer_u, 8, kSizeU);
   memset(buffer_v, 4, kSizeV);
   VideoFrame big_frame;
   big_frame.CreateFrame(buffer_y, buffer_u, buffer_v,
                         width + 5, height + 5, stride_y + 5,
                         stride_u, stride_v, kRotation);
   // Frame of smaller dimensions.
   small_frame.CopyFrame(big_frame);
   EXPECT_TRUE(test::FramesEqual(small_frame, big_frame));
   EXPECT_EQ(kRotation, small_frame.rotation());

   // Frame of larger dimensions.
   small_frame.CreateEmptyFrame(width, height,
                                stride_y, stride_u, stride_v);
   memset(small_frame.video_frame_buffer()->MutableDataY(), 1,
          small_frame.allocated_size(kYPlane));
   memset(small_frame.video_frame_buffer()->MutableDataU(), 2,
          small_frame.allocated_size(kUPlane));
   memset(small_frame.video_frame_buffer()->MutableDataV(), 3,
          small_frame.allocated_size(kVPlane));
   big_frame.CopyFrame(small_frame);
   EXPECT_TRUE(test::FramesEqual(small_frame, big_frame));
 }

 TEST(TestVideoFrame, ShallowCopy) {
   uint32_t timestamp = 1;
   int64_t ntp_time_ms = 2;
   int64_t render_time_ms = 3;
   int stride_y = 15;
   int stride_u = 10;
   int stride_v = 10;
   int width = 15;
   int height = 15;

   const int kSizeY = 400;
   const int kSizeU = 100;
   const int kSizeV = 100;
   const VideoRotation kRotation = kVideoRotation_270;
   uint8_t buffer_y[kSizeY];
   uint8_t buffer_u[kSizeU];
   uint8_t buffer_v[kSizeV];
   memset(buffer_y, 16, kSizeY);
   memset(buffer_u, 8, kSizeU);
   memset(buffer_v, 4, kSizeV);
   VideoFrame frame1;
   frame1.CreateFrame(buffer_y, buffer_u, buffer_v, width, height,
                      stride_y, stride_u, stride_v, kRotation);
   frame1.set_timestamp(timestamp);
   frame1.set_ntp_time_ms(ntp_time_ms);
   frame1.set_render_time_ms(render_time_ms);
   VideoFrame frame2;
   frame2.ShallowCopy(frame1);

   // To be able to access the buffers, we need const pointers to the frames.
   const VideoFrame* const_frame1_ptr = &frame1;
   const VideoFrame* const_frame2_ptr = &frame2;

   EXPECT_TRUE(const_frame1_ptr->video_frame_buffer()->DataY() ==
               const_frame2_ptr->video_frame_buffer()->DataY());
   EXPECT_TRUE(const_frame1_ptr->video_frame_buffer()->DataU() ==
               const_frame2_ptr->video_frame_buffer()->DataU());
   EXPECT_TRUE(const_frame1_ptr->video_frame_buffer()->DataV() ==
               const_frame2_ptr->video_frame_buffer()->DataV());

   EXPECT_EQ(frame2.timestamp(), frame1.timestamp());
   EXPECT_EQ(frame2.ntp_time_ms(), frame1.ntp_time_ms());
   EXPECT_EQ(frame2.render_time_ms(), frame1.render_time_ms());
   EXPECT_EQ(frame2.rotation(), frame1.rotation());

   frame2.set_timestamp(timestamp + 1);
   frame2.set_ntp_time_ms(ntp_time_ms + 1);
   frame2.set_render_time_ms(render_time_ms + 1);
   frame2.set_rotation(kVideoRotation_90);

   EXPECT_NE(frame2.timestamp(), frame1.timestamp());
   EXPECT_NE(frame2.ntp_time_ms(), frame1.ntp_time_ms());
   EXPECT_NE(frame2.render_time_ms(), frame1.render_time_ms());
   EXPECT_NE(frame2.rotation(), frame1.rotation());
 }

 TEST(TestVideoFrame, CopyBuffer) {
   VideoFrame frame1, frame2;
   int width = 15;
   int height = 15;
   int stride_y = 15;
   int stride_uv = 10;
   const int kSizeY = 225;
   const int kSizeUv = 80;
   frame2.CreateEmptyFrame(width, height,
                           stride_y, stride_uv, stride_uv);
   uint8_t buffer_y[kSizeY];
   uint8_t buffer_u[kSizeUv];
   uint8_t buffer_v[kSizeUv];
   memset(buffer_y, 16, kSizeY);
   memset(buffer_u, 8, kSizeUv);
   memset(buffer_v, 4, kSizeUv);
   frame2.CreateFrame(buffer_y, buffer_u, buffer_v,
                      width, height, stride_y, stride_uv, stride_uv,
                      kVideoRotation_0);
   // Expect exactly the same pixel data.
   EXPECT_TRUE(test::EqualPlane(buffer_y, frame2.video_frame_buffer()->DataY(),
                                stride_y, 15, 15));
   EXPECT_TRUE(test::EqualPlane(buffer_u, frame2.video_frame_buffer()->DataU(),
                                stride_uv, 8, 8));
   EXPECT_TRUE(test::EqualPlane(buffer_v, frame2.video_frame_buffer()->DataV(),
                                stride_uv, 8, 8));

   // Compare size.
   EXPECT_LE(kSizeY, frame2.allocated_size(kYPlane));
   EXPECT_LE(kSizeUv, frame2.allocated_size(kUPlane));
   EXPECT_LE(kSizeUv, frame2.allocated_size(kVPlane));
 }

 TEST(TestVideoFrame, ReuseAllocation) {
   VideoFrame frame;
   frame.CreateEmptyFrame(640, 320, 640, 320, 320);
   const uint8_t* y = frame.video_frame_buffer()->DataY();
   const uint8_t* u = frame.video_frame_buffer()->DataU();
   const uint8_t* v = frame.video_frame_buffer()->DataV();
   frame.CreateEmptyFrame(640, 320, 640, 320, 320);
   EXPECT_EQ(y, frame.video_frame_buffer()->DataY());
   EXPECT_EQ(u, frame.video_frame_buffer()->DataU());
   EXPECT_EQ(v, frame.video_frame_buffer()->DataV());
 }

 TEST(TestVideoFrame, FailToReuseAllocation) {
   VideoFrame frame1;
   frame1.CreateEmptyFrame(640, 320, 640, 320, 320);
   const uint8_t* y = frame1.video_frame_buffer()->DataY();
   const uint8_t* u = frame1.video_frame_buffer()->DataU();
   const uint8_t* v = frame1.video_frame_buffer()->DataV();
   // Make a shallow copy of |frame1|.
   VideoFrame frame2(frame1.video_frame_buffer(), 0, 0, kVideoRotation_0);
   frame1.CreateEmptyFrame(640, 320, 640, 320, 320);
   EXPECT_NE(y, frame1.video_frame_buffer()->DataY());
   EXPECT_NE(u, frame1.video_frame_buffer()->DataU());
   EXPECT_NE(v, frame1.video_frame_buffer()->DataV());
 }

 TEST(TestVideoFrame, TextureInitialValues) {
   test::FakeNativeHandle* handle = new test::FakeNativeHandle();
   VideoFrame frame = test::FakeNativeHandle::CreateFrame(
       handle, 640, 480, 100, 10, webrtc::kVideoRotation_0);
   EXPECT_EQ(640, frame.width());
   EXPECT_EQ(480, frame.height());
   EXPECT_EQ(100u, frame.timestamp());
   EXPECT_EQ(10, frame.render_time_ms());
   ASSERT_TRUE(frame.video_frame_buffer() != nullptr);
   EXPECT_EQ(handle, frame.video_frame_buffer()->native_handle());

   frame.set_timestamp(200);
   EXPECT_EQ(200u, frame.timestamp());
   frame.set_render_time_ms(20);
   EXPECT_EQ(20, frame.render_time_ms());
 }

 TEST(TestI420FrameBuffer, Copy) {
   rtc::scoped_refptr<I420Buffer> buf1(
       new rtc::RefCountedObject<I420Buffer>(20, 10));
   memset(buf1->MutableDataY(), 1, 200);
   memset(buf1->MutableDataU(), 2, 50);
   memset(buf1->MutableDataV(), 3, 50);
   rtc::scoped_refptr<I420Buffer> buf2 = I420Buffer::Copy(buf1);
   EXPECT_TRUE(test::FrameBufsEqual(buf1, buf2));
 }

 }  // namespace webrtc
	/*
	* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
	*
	* Use of this source code is governed by a BSD-style license
	* that can be found in the LICENSE file in the root of the source
	* tree. An additional intellectual property rights grant can be found
	* in the file PATENTS. All contributing project authors may
	* be found in the AUTHORS file in the root of the source tree.
	*/

	#include <math.h>
	#include <string.h>

	#include "testing/gtest/include/gtest/gtest.h"
	#include "webrtc/base/bind.h"
	#include "webrtc/test/fake_texture_frame.h"
	#include "webrtc/test/frame_utils.h"
	#include "webrtc/video_frame.h"

	namespace webrtc {

	int ExpectedSize(int plane_stride, int image_height, PlaneType type);

	TEST(TestVideoFrame, InitialValues) {
	VideoFrame frame;
	EXPECT_TRUE(frame.IsZeroSize());
	EXPECT_EQ(kVideoRotation_0, frame.rotation());
	}

	TEST(TestVideoFrame, CopiesInitialFrameWithoutCrashing) {
	VideoFrame frame;
	VideoFrame frame2;
	frame2.CopyFrame(frame);
	}

	TEST(TestVideoFrame, WidthHeightValues) {
	VideoFrame frame;
	const int valid_value = 10;
	frame.CreateEmptyFrame(10, 10, 10, 14, 90);
	EXPECT_EQ(valid_value, frame.width());
	EXPECT_EQ(valid_value, frame.height());
	frame.set_timestamp(123u);
	EXPECT_EQ(123u, frame.timestamp());
	frame.set_ntp_time_ms(456);
	EXPECT_EQ(456, frame.ntp_time_ms());
	frame.set_render_time_ms(789);
	EXPECT_EQ(789, frame.render_time_ms());
	}

	TEST(TestVideoFrame, SizeAllocation) {
	VideoFrame frame;
	frame. CreateEmptyFrame(10, 10, 12, 14, 220);
	int height = frame.height();
	int stride_y = frame.video_frame_buffer()->StrideY();
	int stride_u = frame.video_frame_buffer()->StrideU();
	int stride_v = frame.video_frame_buffer()->StrideV();
	// Verify that allocated size was computed correctly.
	EXPECT_EQ(ExpectedSize(stride_y, height, kYPlane),
	frame.allocated_size(kYPlane));
	EXPECT_EQ(ExpectedSize(stride_u, height, kUPlane),
	frame.allocated_size(kUPlane));
	EXPECT_EQ(ExpectedSize(stride_v, height, kVPlane),
	frame.allocated_size(kVPlane));
	}

	TEST(TestVideoFrame, CopyFrame) {
	uint32_t timestamp = 1;
	int64_t ntp_time_ms = 2;
	int64_t render_time_ms = 3;
	int stride_y = 15;
	int stride_u = 10;
	int stride_v = 10;
	int width = 15;
	int height = 15;
	// Copy frame.
	VideoFrame small_frame;
	small_frame.CreateEmptyFrame(width, height,
	stride_y, stride_u, stride_v);
	small_frame.set_timestamp(timestamp);
	small_frame.set_ntp_time_ms(ntp_time_ms);
	small_frame.set_render_time_ms(render_time_ms);
	const int kSizeY = 400;
	const int kSizeU = 100;
	const int kSizeV = 100;
	const VideoRotation kRotation = kVideoRotation_270;
	uint8_t buffer_y[kSizeY];
	uint8_t buffer_u[kSizeU];
	uint8_t buffer_v[kSizeV];
	memset(buffer_y, 16, kSizeY);
	memset(buffer_u, 8, kSizeU);
	memset(buffer_v, 4, kSizeV);
	VideoFrame big_frame;
	big_frame.CreateFrame(buffer_y, buffer_u, buffer_v,
	width + 5, height + 5, stride_y + 5,
	stride_u, stride_v, kRotation);
	// Frame of smaller dimensions.
	small_frame.CopyFrame(big_frame);
	EXPECT_TRUE(test::FramesEqual(small_frame, big_frame));
	EXPECT_EQ(kRotation, small_frame.rotation());

	// Frame of larger dimensions.
	small_frame.CreateEmptyFrame(width, height,
	stride_y, stride_u, stride_v);
	memset(small_frame.video_frame_buffer()->MutableDataY(), 1,
	small_frame.allocated_size(kYPlane));
	memset(small_frame.video_frame_buffer()->MutableDataU(), 2,
	small_frame.allocated_size(kUPlane));
	memset(small_frame.video_frame_buffer()->MutableDataV(), 3,
	small_frame.allocated_size(kVPlane));
	big_frame.CopyFrame(small_frame);
	EXPECT_TRUE(test::FramesEqual(small_frame, big_frame));
	}

	TEST(TestVideoFrame, ShallowCopy) {
	uint32_t timestamp = 1;
	int64_t ntp_time_ms = 2;
	int64_t render_time_ms = 3;
	int stride_y = 15;
	int stride_u = 10;
	int stride_v = 10;
	int width = 15;
	int height = 15;

	const int kSizeY = 400;
	const int kSizeU = 100;
	const int kSizeV = 100;
	const VideoRotation kRotation = kVideoRotation_270;
	uint8_t buffer_y[kSizeY];
	uint8_t buffer_u[kSizeU];
	uint8_t buffer_v[kSizeV];
	memset(buffer_y, 16, kSizeY);
	memset(buffer_u, 8, kSizeU);
	memset(buffer_v, 4, kSizeV);
	VideoFrame frame1;
	frame1.CreateFrame(buffer_y, buffer_u, buffer_v, width, height,
	stride_y, stride_u, stride_v, kRotation);
	frame1.set_timestamp(timestamp);
	frame1.set_ntp_time_ms(ntp_time_ms);
	frame1.set_render_time_ms(render_time_ms);
	VideoFrame frame2;
	frame2.ShallowCopy(frame1);

	// To be able to access the buffers, we need const pointers to the frames.
	const VideoFrame* const_frame1_ptr = &frame1;
	const VideoFrame* const_frame2_ptr = &frame2;

	EXPECT_TRUE(const_frame1_ptr->video_frame_buffer()->DataY() ==
	const_frame2_ptr->video_frame_buffer()->DataY());
	EXPECT_TRUE(const_frame1_ptr->video_frame_buffer()->DataU() ==
	const_frame2_ptr->video_frame_buffer()->DataU());
	EXPECT_TRUE(const_frame1_ptr->video_frame_buffer()->DataV() ==
	const_frame2_ptr->video_frame_buffer()->DataV());

	EXPECT_EQ(frame2.timestamp(), frame1.timestamp());
	EXPECT_EQ(frame2.ntp_time_ms(), frame1.ntp_time_ms());
	EXPECT_EQ(frame2.render_time_ms(), frame1.render_time_ms());
	EXPECT_EQ(frame2.rotation(), frame1.rotation());

	frame2.set_timestamp(timestamp + 1);
	frame2.set_ntp_time_ms(ntp_time_ms + 1);
	frame2.set_render_time_ms(render_time_ms + 1);
	frame2.set_rotation(kVideoRotation_90);

	EXPECT_NE(frame2.timestamp(), frame1.timestamp());
	EXPECT_NE(frame2.ntp_time_ms(), frame1.ntp_time_ms());
	EXPECT_NE(frame2.render_time_ms(), frame1.render_time_ms());
	EXPECT_NE(frame2.rotation(), frame1.rotation());
	}

	TEST(TestVideoFrame, CopyBuffer) {
	VideoFrame frame1, frame2;
	int width = 15;
	int height = 15;
	int stride_y = 15;
	int stride_uv = 10;
	const int kSizeY = 225;
	const int kSizeUv = 80;
	frame2.CreateEmptyFrame(width, height,
	stride_y, stride_uv, stride_uv);
	uint8_t buffer_y[kSizeY];
	uint8_t buffer_u[kSizeUv];
	uint8_t buffer_v[kSizeUv];
	memset(buffer_y, 16, kSizeY);
	memset(buffer_u, 8, kSizeUv);
	memset(buffer_v, 4, kSizeUv);
	frame2.CreateFrame(buffer_y, buffer_u, buffer_v,
	width, height, stride_y, stride_uv, stride_uv,
	kVideoRotation_0);
	// Expect exactly the same pixel data.
	EXPECT_TRUE(test::EqualPlane(buffer_y, frame2.video_frame_buffer()->DataY(),
	stride_y, 15, 15));
	EXPECT_TRUE(test::EqualPlane(buffer_u, frame2.video_frame_buffer()->DataU(),
	stride_uv, 8, 8));
	EXPECT_TRUE(test::EqualPlane(buffer_v, frame2.video_frame_buffer()->DataV(),
	stride_uv, 8, 8));

	// Compare size.
	EXPECT_LE(kSizeY, frame2.allocated_size(kYPlane));
	EXPECT_LE(kSizeUv, frame2.allocated_size(kUPlane));
	EXPECT_LE(kSizeUv, frame2.allocated_size(kVPlane));
	}

	TEST(TestVideoFrame, ReuseAllocation) {
	VideoFrame frame;
	frame.CreateEmptyFrame(640, 320, 640, 320, 320);
	const uint8_t* y = frame.video_frame_buffer()->DataY();
	const uint8_t* u = frame.video_frame_buffer()->DataU();
	const uint8_t* v = frame.video_frame_buffer()->DataV();
	frame.CreateEmptyFrame(640, 320, 640, 320, 320);
	EXPECT_EQ(y, frame.video_frame_buffer()->DataY());
	EXPECT_EQ(u, frame.video_frame_buffer()->DataU());
	EXPECT_EQ(v, frame.video_frame_buffer()->DataV());
	}

	TEST(TestVideoFrame, FailToReuseAllocation) {
	VideoFrame frame1;
	frame1.CreateEmptyFrame(640, 320, 640, 320, 320);
	const uint8_t* y = frame1.video_frame_buffer()->DataY();
	const uint8_t* u = frame1.video_frame_buffer()->DataU();
	const uint8_t* v = frame1.video_frame_buffer()->DataV();
	// Make a shallow copy of \|frame1\|.
	VideoFrame frame2(frame1.video_frame_buffer(), 0, 0, kVideoRotation_0);
	frame1.CreateEmptyFrame(640, 320, 640, 320, 320);
	EXPECT_NE(y, frame1.video_frame_buffer()->DataY());
	EXPECT_NE(u, frame1.video_frame_buffer()->DataU());
	EXPECT_NE(v, frame1.video_frame_buffer()->DataV());
	}

	TEST(TestVideoFrame, TextureInitialValues) {
	test::FakeNativeHandle* handle = new test::FakeNativeHandle();
	VideoFrame frame = test::FakeNativeHandle::CreateFrame(
	handle, 640, 480, 100, 10, webrtc::kVideoRotation_0);
	EXPECT_EQ(640, frame.width());
	EXPECT_EQ(480, frame.height());
	EXPECT_EQ(100u, frame.timestamp());
	EXPECT_EQ(10, frame.render_time_ms());
	ASSERT_TRUE(frame.video_frame_buffer() != nullptr);
	EXPECT_EQ(handle, frame.video_frame_buffer()->native_handle());

	frame.set_timestamp(200);
	EXPECT_EQ(200u, frame.timestamp());
	frame.set_render_time_ms(20);
	EXPECT_EQ(20, frame.render_time_ms());
	}

	TEST(TestI420FrameBuffer, Copy) {
	rtc::scoped_refptr<I420Buffer> buf1(
	new rtc::RefCountedObject<I420Buffer>(20, 10));
	memset(buf1->MutableDataY(), 1, 200);
	memset(buf1->MutableDataU(), 2, 50);
	memset(buf1->MutableDataV(), 3, 50);
	rtc::scoped_refptr<I420Buffer> buf2 = I420Buffer::Copy(buf1);
	EXPECT_TRUE(test::FrameBufsEqual(buf1, buf2));
	}

	} // namespace webrtc