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// Copyright (c) 2012 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/mac/video_frame_mac.h"
#include <utility>
#include "base/bind.h"
#include "base/callback_helpers.h"
#include "media/base/mac/corevideo_glue.h"
#include "media/base/video_frame.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace media {
namespace {
const int kWidth = 64;
const int kHeight = 48;
const base::TimeDelta kTimestamp = base::TimeDelta::FromMicroseconds(1337);
struct FormatPair {
VideoFrame::Format chrome;
OSType corevideo;
};
void Increment(int* i) {
++(*i);
}
} // namespace
TEST(VideoFrameMac, CheckBasicAttributes) {
gfx::Size size(kWidth, kHeight);
auto frame = VideoFrame::CreateFrame(VideoFrame::I420, size, gfx::Rect(size),
size, kTimestamp);
ASSERT_TRUE(frame.get());
auto pb = WrapVideoFrameInCVPixelBuffer(*frame);
ASSERT_TRUE(pb.get());
gfx::Size coded_size = frame->coded_size();
VideoFrame::Format format = frame->format();
EXPECT_EQ(coded_size.width(), static_cast<int>(CVPixelBufferGetWidth(pb)));
EXPECT_EQ(coded_size.height(), static_cast<int>(CVPixelBufferGetHeight(pb)));
EXPECT_EQ(VideoFrame::NumPlanes(format), CVPixelBufferGetPlaneCount(pb));
CVPixelBufferLockBaseAddress(pb, 0);
for (size_t i = 0; i < VideoFrame::NumPlanes(format); ++i) {
gfx::Size plane_size = VideoFrame::PlaneSize(format, i, coded_size);
EXPECT_EQ(plane_size.width(),
static_cast<int>(CVPixelBufferGetWidthOfPlane(pb, i)));
EXPECT_EQ(plane_size.height(),
static_cast<int>(CVPixelBufferGetHeightOfPlane(pb, i)));
EXPECT_EQ(frame->data(i), CVPixelBufferGetBaseAddressOfPlane(pb, i));
}
CVPixelBufferUnlockBaseAddress(pb, 0);
}
TEST(VideoFrameMac, CheckFormats) {
const FormatPair format_pairs[] = {
{VideoFrame::I420, kCVPixelFormatType_420YpCbCr8Planar},
{VideoFrame::YV12, 0},
{VideoFrame::YV16, 0},
{VideoFrame::YV12A, 0},
{VideoFrame::YV12J, 0},
{VideoFrame::YV24, 0},
};
gfx::Size size(kWidth, kHeight);
for (const auto& format_pair : format_pairs) {
auto frame = VideoFrame::CreateFrame(format_pair.chrome, size,
gfx::Rect(size), size, kTimestamp);
ASSERT_TRUE(frame.get());
auto pb = WrapVideoFrameInCVPixelBuffer(*frame);
if (format_pair.corevideo) {
EXPECT_EQ(format_pair.corevideo, CVPixelBufferGetPixelFormatType(pb));
} else {
EXPECT_EQ(nullptr, pb.get());
}
}
}
TEST(VideoFrameMac, CheckLifetime) {
gfx::Size size(kWidth, kHeight);
auto frame = VideoFrame::CreateFrame(VideoFrame::I420, size, gfx::Rect(size),
size, kTimestamp);
ASSERT_TRUE(frame.get());
int instances_destroyed = 0;
auto wrapper_frame = VideoFrame::WrapVideoFrame(
frame, frame->visible_rect(), frame->natural_size(),
base::Bind(&Increment, &instances_destroyed));
ASSERT_TRUE(wrapper_frame.get());
auto pb = WrapVideoFrameInCVPixelBuffer(*wrapper_frame);
ASSERT_TRUE(pb.get());
wrapper_frame = nullptr;
EXPECT_EQ(0, instances_destroyed);
pb.reset();
EXPECT_EQ(1, instances_destroyed);
}
TEST(VideoFrameMac, CheckWrapperFrame) {
const FormatPair format_pairs[] = {
{VideoFrame::I420, kCVPixelFormatType_420YpCbCr8Planar},
{VideoFrame::NV12,
CoreVideoGlue::kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange},
};
gfx::Size size(kWidth, kHeight);
for (const auto& format_pair : format_pairs) {
base::ScopedCFTypeRef<CVPixelBufferRef> pb;
CVPixelBufferCreate(nullptr, kWidth, kHeight, format_pair.corevideo,
nullptr, pb.InitializeInto());
ASSERT_TRUE(pb.get());
auto frame = VideoFrame::WrapCVPixelBuffer(pb.get(), kTimestamp);
ASSERT_TRUE(frame.get());
EXPECT_EQ(pb.get(), frame->cv_pixel_buffer());
EXPECT_EQ(format_pair.chrome, frame->format());
frame = nullptr;
EXPECT_EQ(1, CFGetRetainCount(pb.get()));
}
}
} // namespace media
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