libyuv wrapper: 1. Updating rotation settings - in case of 90 or 270 degree rotations, width and height should be updated accordingly. 2. Test clean-up.

TEST=trybots

Review URL: https://webrtc-codereview.appspot.com/936008

git-svn-id: http://webrtc.googlecode.com/svn/trunk@3039 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
mikhal@webrtc.org 2012-11-01 15:45:38 +00:00
parent 1be46fc721
commit 737ed3bfa5
2 changed files with 95 additions and 46 deletions

View File

@ -83,16 +83,24 @@ class TestLibYuv : public ::testing::Test {
virtual void TearDown();
FILE* source_file_;
I420VideoFrame orig_frame_;
scoped_array<uint8_t> orig_buffer_;
const int width_;
const int height_;
const int size_y_;
const int size_uv_;
const int frame_length_;
};
TestLibYuv::TestLibYuv()
: source_file_(NULL),
orig_frame_(),
width_(352),
height_(288),
size_y_(width_ * height_),
size_uv_(((width_ + 1 ) / 2) * ((height_ + 1) / 2)),
frame_length_(CalcBufferSize(kI420, 352, 288)) {
orig_buffer_.reset(new uint8_t[frame_length_]);
}
void TestLibYuv::SetUp() {
@ -101,6 +109,16 @@ void TestLibYuv::SetUp() {
source_file_ = fopen(input_file_name.c_str(), "rb");
ASSERT_TRUE(source_file_ != NULL) << "Cannot read file: "<<
input_file_name << "\n";
EXPECT_EQ(fread(orig_buffer_.get(), 1, frame_length_, source_file_),
static_cast<unsigned int>(frame_length_));
EXPECT_EQ(0, orig_frame_.CreateFrame(size_y_, orig_buffer_.get(),
size_uv_, orig_buffer_.get() + size_y_,
size_uv_, orig_buffer_.get() +
size_y_ + size_uv_,
width_, height_,
width_, (width_ + 1) / 2,
(width_ + 1) / 2));
}
void TestLibYuv::TearDown() {
@ -122,29 +140,36 @@ TEST_F(TestLibYuv, ConvertTest) {
FILE* output_file = fopen(output_file_name.c_str(), "wb");
ASSERT_TRUE(output_file != NULL);
double psnr = 0;
double psnr = 0.0;
I420VideoFrame res_i420_frame;
EXPECT_EQ(0,res_i420_frame.CreateEmptyFrame(width_, height_, width_,
(width_ + 1) / 2,
(width_ + 1) / 2));
printf("\nConvert #%d I420 <-> I420 \n", j);
scoped_array<uint8_t> out_i420_buffer(new uint8_t[frame_length_]);
EXPECT_EQ(0, ConvertFromI420(orig_frame_, kI420, 0,
out_i420_buffer.get()));
EXPECT_EQ(0, ConvertToI420(kI420, out_i420_buffer.get(), 0, 0,
width_, height_,
0, kRotateNone, &res_i420_frame));
if (PrintI420VideoFrame(res_i420_frame, output_file) < 0) {
return;
}
psnr = I420PSNR(&orig_frame_, &res_i420_frame);
EXPECT_EQ(48.0, psnr);
j++;
I420VideoFrame orig_frame;
scoped_array<uint8_t> orig_buffer(new uint8_t[frame_length_]);
EXPECT_EQ(fread(orig_buffer.get(), 1, frame_length_, source_file_),
static_cast<unsigned int>(frame_length_));
int size_y = width_ * height_;
int size_uv = ((width_ + 1 ) / 2) * ((height_ + 1) / 2);
orig_frame.CreateFrame(size_y, orig_buffer.get(),
size_uv, orig_buffer.get() + size_y,
size_uv, orig_buffer.get() + size_y + size_uv,
width_, height_,
width_, (width_ + 1) / 2, (width_ + 1) / 2);
printf("\nConvert #%d I420 <-> RGB24\n", j);
scoped_array<uint8_t> res_rgb_buffer2(new uint8_t[width_ * height_ * 3]);
I420VideoFrame res_i420_frame;
// Align the stride values for the output frame.
int stride_y = 0;
int stride_uv = 0;
Calc16ByteAlignedStride(width_, &stride_y, &stride_uv);
res_i420_frame.CreateEmptyFrame(width_, height_, stride_y,
stride_uv, stride_uv);
EXPECT_EQ(0, ConvertFromI420(orig_frame, kRGB24, 0, res_rgb_buffer2.get()));
EXPECT_EQ(0, ConvertFromI420(orig_frame_, kRGB24, 0, res_rgb_buffer2.get()));
EXPECT_EQ(0, ConvertToI420(kRGB24, res_rgb_buffer2.get(), 0, 0, width_,
height_, 0, kRotateNone, &res_i420_frame));
@ -152,7 +177,7 @@ TEST_F(TestLibYuv, ConvertTest) {
if (PrintI420VideoFrame(res_i420_frame, output_file) < 0) {
return;
}
psnr = I420PSNR(&orig_frame, &res_i420_frame);
psnr = I420PSNR(&orig_frame_, &res_i420_frame);
// Optimization Speed- quality trade-off => 45 dB only (platform dependant).
EXPECT_GT(ceil(psnr), 44);
@ -160,38 +185,24 @@ TEST_F(TestLibYuv, ConvertTest) {
printf("\nConvert #%d I420 <-> UYVY\n", j);
scoped_array<uint8_t> out_uyvy_buffer(new uint8_t[width_ * height_ * 2]);
EXPECT_EQ(0, ConvertFromI420(orig_frame, kUYVY, 0, out_uyvy_buffer.get()));
EXPECT_EQ(0, ConvertFromI420(orig_frame_, kUYVY, 0, out_uyvy_buffer.get()));
EXPECT_EQ(0, ConvertToI420(kUYVY, out_uyvy_buffer.get(), 0, 0, width_,
height_, 0, kRotateNone, &res_i420_frame));
psnr = I420PSNR(&orig_frame, &res_i420_frame);
psnr = I420PSNR(&orig_frame_, &res_i420_frame);
EXPECT_EQ(48.0, psnr);
if (PrintI420VideoFrame(res_i420_frame, output_file) < 0) {
return;
}
j++;
printf("\nConvert #%d I420 <-> I420 \n", j);
scoped_array<uint8_t> out_i420_buffer(new uint8_t[width_ * height_ * 3 / 2]);
EXPECT_EQ(0, ConvertToI420(kI420, orig_buffer.get(), 0, 0, width_, height_,
0, kRotateNone, &res_i420_frame));
EXPECT_EQ(0, ConvertFromI420(res_i420_frame, kI420, 0,
out_i420_buffer.get()));
if (PrintI420VideoFrame(res_i420_frame, output_file) < 0) {
return;
}
psnr = I420PSNR(orig_buffer.get(), out_i420_buffer.get(), width_, height_);
EXPECT_EQ(48.0, psnr);
j++;
printf("\nConvert #%d I420 <-> YV12\n", j);
scoped_array<uint8_t> outYV120Buffer(new uint8_t[frame_length_]);
scoped_array<uint8_t> res_i420_buffer(new uint8_t[frame_length_]);
I420VideoFrame yv12_frame;
EXPECT_EQ(0, ConvertFromI420(orig_frame, kYV12, 0, outYV120Buffer.get()));
yv12_frame.CreateFrame(size_y, outYV120Buffer.get(),
size_uv, outYV120Buffer.get() + size_y,
size_uv, outYV120Buffer.get() + size_y + size_uv,
EXPECT_EQ(0, ConvertFromI420(orig_frame_, kYV12, 0, outYV120Buffer.get()));
yv12_frame.CreateFrame(size_y_, outYV120Buffer.get(),
size_uv_, outYV120Buffer.get() + size_y_,
size_uv_, outYV120Buffer.get() + size_y_ + size_uv_,
width_, height_,
width_, (width_ + 1) / 2, (width_ + 1) / 2);
EXPECT_EQ(0, ConvertFromYV12(yv12_frame, kI420, 0, res_i420_buffer.get()));
@ -200,44 +211,45 @@ TEST_F(TestLibYuv, ConvertTest) {
return;
}
psnr = I420PSNR(orig_buffer.get(), res_i420_buffer.get(), width_, height_);
psnr = I420PSNR(orig_buffer_.get(), res_i420_buffer.get(), width_, height_);
EXPECT_EQ(48.0, psnr);
j++;
printf("\nConvert #%d I420 <-> YUY2\n", j);
scoped_array<uint8_t> out_yuy2_buffer(new uint8_t[width_ * height_ * 2]);
EXPECT_EQ(0, ConvertFromI420(orig_frame, kYUY2, 0, out_yuy2_buffer.get()));
EXPECT_EQ(0, ConvertFromI420(orig_frame_, kYUY2, 0, out_yuy2_buffer.get()));
EXPECT_EQ(0, ConvertToI420(kYUY2, out_yuy2_buffer.get(), 0, 0, width_,
height_, 0, kRotateNone, &res_i420_frame));
if (PrintI420VideoFrame(res_i420_frame, output_file) < 0) {
return;
return;
}
psnr = I420PSNR(&orig_frame, &res_i420_frame);
psnr = I420PSNR(&orig_frame_, &res_i420_frame);
EXPECT_EQ(48.0, psnr);
printf("\nConvert #%d I420 <-> RGB565\n", j);
scoped_array<uint8_t> out_rgb565_buffer(new uint8_t[width_ * height_ * 2]);
EXPECT_EQ(0, ConvertFromI420(orig_frame, kRGB565, 0,
EXPECT_EQ(0, ConvertFromI420(orig_frame_, kRGB565, 0,
out_rgb565_buffer.get()));
EXPECT_EQ(0, ConvertToI420(kRGB565, out_rgb565_buffer.get(), 0, 0, width_,
height_, 0, kRotateNone, &res_i420_frame));
if (PrintI420VideoFrame(res_i420_frame, output_file) < 0) {
return;
return;
}
j++;
psnr = I420PSNR(&orig_frame, &res_i420_frame);
psnr = I420PSNR(&orig_frame_, &res_i420_frame);
// TODO(leozwang) Investigate the right psnr should be set for I420ToRGB565,
// Another example is I420ToRGB24, the psnr is 44
// TODO(mikhal): Add psnr for RGB565, 1555, 4444, convert to ARGB.
EXPECT_GT(ceil(psnr), 40);
printf("\nConvert #%d I420 <-> ARGB8888\n", j);
scoped_array<uint8_t> out_argb8888_buffer(new uint8_t[width_ * height_ * 4]);
EXPECT_EQ(0, ConvertFromI420(orig_frame, kARGB, 0,
EXPECT_EQ(0, ConvertFromI420(orig_frame_, kARGB, 0,
out_argb8888_buffer.get()));
EXPECT_EQ(0, ConvertToI420(kARGB, out_argb8888_buffer.get(), 0, 0, width_,
@ -247,15 +259,44 @@ TEST_F(TestLibYuv, ConvertTest) {
return;
}
psnr = I420PSNR(&orig_frame, &res_i420_frame);
psnr = I420PSNR(&orig_frame_, &res_i420_frame);
// TODO(leozwang) Investigate the right psnr should be set for I420ToARGB8888,
EXPECT_GT(ceil(psnr), 42);
ASSERT_EQ(0, fclose(output_file));
}
TEST_F(TestLibYuv, RotateTest) {
// Use ConvertToI420 for multiple roatations - see that nothing breaks, all
// memory is properly allocated and end result is equal to the starting point.
I420VideoFrame rotated_res_i420_frame;
int rotated_width = height_;
int rotated_height = width_;
int stride_y ;
int stride_uv;
Calc16ByteAlignedStride(rotated_width, &stride_y, &stride_uv);
EXPECT_EQ(0,rotated_res_i420_frame.CreateEmptyFrame(rotated_width,
rotated_height,
stride_y,
stride_uv,
stride_uv));
EXPECT_EQ(0, ConvertToI420(kI420, orig_buffer_.get(), 0, 0,
width_, height_,
0, kRotate90, &rotated_res_i420_frame));
EXPECT_EQ(0, ConvertToI420(kI420, orig_buffer_.get(), 0, 0,
width_, height_,
0, kRotate270, &rotated_res_i420_frame));
EXPECT_EQ(0,rotated_res_i420_frame.CreateEmptyFrame(width_, height_,
width_, (width_ + 1) / 2,
(width_ + 1) / 2));
EXPECT_EQ(0, ConvertToI420(kI420, orig_buffer_.get(), 0, 0,
width_, height_,
0, kRotate180, &rotated_res_i420_frame));
}
TEST_F(TestLibYuv, MirrorTest) {
// TODO (mikhal): Add an automated test to confirm output.
// TODO(mikhal): Add an automated test to confirm output.
std::string str;
int width = 16;
int half_width = (width + 1) / 2;

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@ -232,6 +232,14 @@ int ConvertToI420(VideoType src_video_type,
int sample_size,
VideoRotationMode rotation,
I420VideoFrame* dst_frame) {
int dst_width = dst_frame->width();
int dst_height = dst_frame->height();
// LibYuv expects pre-rotation values for dst.
// Stride values should correspond to the destination values.
if (rotation == kRotate90 || rotation == kRotate270) {
dst_width = dst_frame->height();
dst_height =dst_frame->width();
}
return libyuv::ConvertToI420(src_frame, sample_size,
dst_frame->buffer(kYPlane),
dst_frame->stride(kYPlane),
@ -241,7 +249,7 @@ int ConvertToI420(VideoType src_video_type,
dst_frame->stride(kVPlane),
crop_x, crop_y,
src_width, src_height,
dst_frame->width(), dst_frame->height(),
dst_width, dst_height,
ConvertRotationMode(rotation),
ConvertVideoType(src_video_type));
}