110 lines
4.1 KiB
C++
110 lines
4.1 KiB
C++
/*
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* Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <string.h>
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#include <memory>
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#include "webrtc/base/gunit.h"
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#include "webrtc/media/base/videocapturer.h"
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#include "webrtc/media/engine/webrtcvideoframe.h"
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#include "webrtc/media/engine/webrtcvideoframefactory.h"
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class WebRtcVideoFrameFactoryTest : public testing::Test {
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public:
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WebRtcVideoFrameFactoryTest() {}
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void InitFrame(webrtc::VideoRotation frame_rotation) {
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const int frame_width = 1920;
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const int frame_height = 1080;
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// Build the CapturedFrame.
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captured_frame_.fourcc = cricket::FOURCC_I420;
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captured_frame_.pixel_width = 1;
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captured_frame_.pixel_height = 1;
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captured_frame_.time_stamp = rtc::TimeNanos();
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captured_frame_.rotation = frame_rotation;
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captured_frame_.width = frame_width;
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captured_frame_.height = frame_height;
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captured_frame_.data_size =
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(frame_width * frame_height) +
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((frame_width + 1) / 2) * ((frame_height + 1) / 2) * 2;
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captured_frame_buffer_.reset(new uint8_t[captured_frame_.data_size]);
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// Initialize memory to satisfy DrMemory tests.
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memset(captured_frame_buffer_.get(), 0, captured_frame_.data_size);
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captured_frame_.data = captured_frame_buffer_.get();
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}
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void VerifyFrame(cricket::VideoFrame* dest_frame,
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webrtc::VideoRotation src_rotation,
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int src_width,
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int src_height,
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bool apply_rotation) {
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if (!apply_rotation) {
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EXPECT_EQ(dest_frame->rotation(), src_rotation);
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EXPECT_EQ(dest_frame->width(), src_width);
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EXPECT_EQ(dest_frame->height(), src_height);
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} else {
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EXPECT_EQ(dest_frame->rotation(), webrtc::kVideoRotation_0);
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if (src_rotation == webrtc::kVideoRotation_90 ||
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src_rotation == webrtc::kVideoRotation_270) {
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EXPECT_EQ(dest_frame->width(), src_height);
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EXPECT_EQ(dest_frame->height(), src_width);
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} else {
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EXPECT_EQ(dest_frame->width(), src_width);
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EXPECT_EQ(dest_frame->height(), src_height);
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}
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}
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}
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void TestCreateAliasedFrame(bool apply_rotation) {
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cricket::VideoFrameFactory& factory = factory_;
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factory.SetApplyRotation(apply_rotation);
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InitFrame(webrtc::kVideoRotation_270);
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const cricket::CapturedFrame& captured_frame = get_captured_frame();
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// Create the new frame from the CapturedFrame.
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std::unique_ptr<cricket::VideoFrame> frame;
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int new_width = captured_frame.width / 2;
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int new_height = captured_frame.height / 2;
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frame.reset(factory.CreateAliasedFrame(&captured_frame, new_width,
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new_height, new_width, new_height));
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VerifyFrame(frame.get(), webrtc::kVideoRotation_270, new_width, new_height,
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apply_rotation);
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frame.reset(factory.CreateAliasedFrame(
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&captured_frame, new_width, new_height, new_width / 2, new_height / 2));
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VerifyFrame(frame.get(), webrtc::kVideoRotation_270, new_width / 2,
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new_height / 2, apply_rotation);
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// Reset the frame first so it's exclusive hence we could go through the
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// StretchToFrame code path in CreateAliasedFrame.
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frame.reset();
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frame.reset(factory.CreateAliasedFrame(
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&captured_frame, new_width, new_height, new_width / 2, new_height / 2));
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VerifyFrame(frame.get(), webrtc::kVideoRotation_270, new_width / 2,
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new_height / 2, apply_rotation);
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}
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const cricket::CapturedFrame& get_captured_frame() { return captured_frame_; }
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private:
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cricket::CapturedFrame captured_frame_;
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std::unique_ptr<uint8_t[]> captured_frame_buffer_;
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cricket::WebRtcVideoFrameFactory factory_;
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};
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TEST_F(WebRtcVideoFrameFactoryTest, NoApplyRotation) {
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TestCreateAliasedFrame(false);
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}
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TEST_F(WebRtcVideoFrameFactoryTest, ApplyRotation) {
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TestCreateAliasedFrame(true);
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}
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