blob: d342968bbc557de1212629621e3eb1a1d33ee0ba [file] [log] [blame]
// 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 <GLES3/gl3.h>
#include <stdint.h>
#include "base/macros.h"
#include "base/memory/aligned_memory.h"
#include "base/message_loop/message_loop.h"
#include "gpu/GLES2/gl2extchromium.h"
#include "gpu/command_buffer/client/gles2_interface_stub.h"
#include "media/base/timestamp_constants.h"
#include "media/base/video_frame.h"
#include "media/base/video_util.h"
#include "media/renderers/skcanvas_video_renderer.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/libyuv/include/libyuv/convert.h"
#include "third_party/skia/include/core/SkCanvas.h"
#include "third_party/skia/include/core/SkImage.h"
#include "third_party/skia/include/core/SkRefCnt.h"
#include "third_party/skia/include/core/SkSurface.h"
#include "third_party/skia/include/gpu/GrContext.h"
#include "third_party/skia/include/gpu/gl/GrGLInterface.h"
#include "ui/gfx/geometry/rect_f.h"
using media::VideoFrame;
namespace media {
static const int kWidth = 320;
static const int kHeight = 240;
static const gfx::RectF kNaturalRect(kWidth, kHeight);
// Helper for filling a |canvas| with a solid |color|.
void FillCanvas(SkCanvas* canvas, SkColor color) {
canvas->clear(color);
}
// Helper for returning the color of a solid |canvas|.
SkColor GetColorAt(SkCanvas* canvas, int x, int y) {
SkBitmap bitmap;
if (!bitmap.tryAllocN32Pixels(1, 1))
return 0;
if (!canvas->readPixels(&bitmap, x, y))
return 0;
return bitmap.getColor(0, 0);
}
SkColor GetColor(SkCanvas* canvas) {
return GetColorAt(canvas, 0, 0);
}
// Generate frame pixels to provided |external_memory| and wrap it as frame.
scoped_refptr<VideoFrame> CreateTestY16Frame(const gfx::Size& coded_size,
const gfx::Rect& visible_rect,
void* external_memory,
base::TimeDelta timestamp) {
const int offset_x = visible_rect.x();
const int offset_y = visible_rect.y();
const int stride = coded_size.width();
const size_t byte_size = stride * coded_size.height() * 2;
// In the visible rect, fill upper byte with [0-255] and lower with [255-0].
uint16_t* data = static_cast<uint16_t*>(external_memory);
for (int j = 0; j < visible_rect.height(); j++) {
for (int i = 0; i < visible_rect.width(); i++) {
const int value = i + j * visible_rect.width();
data[(stride * (j + offset_y)) + i + offset_x] =
((value & 0xFF) << 8) | (~value & 0xFF);
}
}
return media::VideoFrame::WrapExternalData(
media::PIXEL_FORMAT_Y16, coded_size, visible_rect, visible_rect.size(),
static_cast<uint8_t*>(external_memory), byte_size, timestamp);
}
class SkCanvasVideoRendererTest : public testing::Test {
public:
enum Color {
kNone,
kRed,
kGreen,
kBlue,
};
SkCanvasVideoRendererTest();
~SkCanvasVideoRendererTest() override;
// Paints to |canvas| using |renderer_| without any frame data.
void PaintWithoutFrame(SkCanvas* canvas);
// Paints the |video_frame| to the |canvas| using |renderer_|, setting the
// color of |video_frame| to |color| first.
void Paint(const scoped_refptr<VideoFrame>& video_frame,
SkCanvas* canvas,
Color color);
void PaintRotated(const scoped_refptr<VideoFrame>& video_frame,
SkCanvas* canvas,
const gfx::RectF& dest_rect,
Color color,
SkBlendMode mode,
VideoRotation video_rotation);
void Copy(const scoped_refptr<VideoFrame>& video_frame, SkCanvas* canvas);
// Getters for various frame sizes.
scoped_refptr<VideoFrame> natural_frame() { return natural_frame_; }
scoped_refptr<VideoFrame> larger_frame() { return larger_frame_; }
scoped_refptr<VideoFrame> smaller_frame() { return smaller_frame_; }
scoped_refptr<VideoFrame> cropped_frame() { return cropped_frame_; }
// Standard canvas.
SkCanvas* target_canvas() { return &target_canvas_; }
protected:
SkCanvasVideoRenderer renderer_;
scoped_refptr<VideoFrame> natural_frame_;
scoped_refptr<VideoFrame> larger_frame_;
scoped_refptr<VideoFrame> smaller_frame_;
scoped_refptr<VideoFrame> cropped_frame_;
SkCanvas target_canvas_;
base::MessageLoop message_loop_;
DISALLOW_COPY_AND_ASSIGN(SkCanvasVideoRendererTest);
};
static SkBitmap AllocBitmap(int width, int height) {
SkBitmap bitmap;
bitmap.allocPixels(SkImageInfo::MakeN32(width, height, kPremul_SkAlphaType));
bitmap.eraseColor(0);
return bitmap;
}
SkCanvasVideoRendererTest::SkCanvasVideoRendererTest()
: natural_frame_(VideoFrame::CreateBlackFrame(gfx::Size(kWidth, kHeight))),
larger_frame_(
VideoFrame::CreateBlackFrame(gfx::Size(kWidth * 2, kHeight * 2))),
smaller_frame_(
VideoFrame::CreateBlackFrame(gfx::Size(kWidth / 2, kHeight / 2))),
cropped_frame_(
VideoFrame::CreateFrame(PIXEL_FORMAT_YV12,
gfx::Size(16, 16),
gfx::Rect(6, 6, 8, 6),
gfx::Size(8, 6),
base::TimeDelta::FromMilliseconds(4))),
target_canvas_(AllocBitmap(kWidth, kHeight)) {
// Give each frame a unique timestamp.
natural_frame_->set_timestamp(base::TimeDelta::FromMilliseconds(1));
larger_frame_->set_timestamp(base::TimeDelta::FromMilliseconds(2));
smaller_frame_->set_timestamp(base::TimeDelta::FromMilliseconds(3));
// Make sure the cropped video frame's aspect ratio matches the output device.
// Update cropped_frame_'s crop dimensions if this is not the case.
EXPECT_EQ(cropped_frame()->visible_rect().width() * kHeight,
cropped_frame()->visible_rect().height() * kWidth);
// Fill in the cropped frame's entire data with colors:
//
// Bl Bl Bl Bl Bl Bl Bl Bl R R R R R R R R
// Bl Bl Bl Bl Bl Bl Bl Bl R R R R R R R R
// Bl Bl Bl Bl Bl Bl Bl Bl R R R R R R R R
// Bl Bl Bl Bl Bl Bl Bl Bl R R R R R R R R
// Bl Bl Bl Bl Bl Bl Bl Bl R R R R R R R R
// Bl Bl Bl Bl Bl Bl Bl Bl R R R R R R R R
// Bl Bl Bl Bl Bl Bl Bl Bl R R R R R R R R
// Bl Bl Bl Bl Bl Bl Bl Bl R R R R R R R R
// G G G G G G G G B B B B B B B B
// G G G G G G G G B B B B B B B B
// G G G G G G G G B B B B B B B B
// G G G G G G G G B B B B B B B B
// G G G G G G G G B B B B B B B B
// G G G G G G G G B B B B B B B B
// G G G G G G G G B B B B B B B B
// G G G G G G G G B B B B B B B B
//
// The visible crop of the frame (as set by its visible_rect_) has contents:
//
// Bl Bl R R R R R R
// Bl Bl R R R R R R
// G G B B B B B B
// G G B B B B B B
// G G B B B B B B
// G G B B B B B B
//
// Each color region in the cropped frame is on a 2x2 block granularity, to
// avoid sharing UV samples between regions.
static const uint8_t cropped_y_plane[] = {
0, 0, 0, 0, 0, 0, 0, 0, 76, 76, 76, 76, 76, 76, 76, 76,
0, 0, 0, 0, 0, 0, 0, 0, 76, 76, 76, 76, 76, 76, 76, 76,
0, 0, 0, 0, 0, 0, 0, 0, 76, 76, 76, 76, 76, 76, 76, 76,
0, 0, 0, 0, 0, 0, 0, 0, 76, 76, 76, 76, 76, 76, 76, 76,
0, 0, 0, 0, 0, 0, 0, 0, 76, 76, 76, 76, 76, 76, 76, 76,
0, 0, 0, 0, 0, 0, 0, 0, 76, 76, 76, 76, 76, 76, 76, 76,
0, 0, 0, 0, 0, 0, 0, 0, 76, 76, 76, 76, 76, 76, 76, 76,
0, 0, 0, 0, 0, 0, 0, 0, 76, 76, 76, 76, 76, 76, 76, 76,
149, 149, 149, 149, 149, 149, 149, 149, 29, 29, 29, 29, 29, 29, 29, 29,
149, 149, 149, 149, 149, 149, 149, 149, 29, 29, 29, 29, 29, 29, 29, 29,
149, 149, 149, 149, 149, 149, 149, 149, 29, 29, 29, 29, 29, 29, 29, 29,
149, 149, 149, 149, 149, 149, 149, 149, 29, 29, 29, 29, 29, 29, 29, 29,
149, 149, 149, 149, 149, 149, 149, 149, 29, 29, 29, 29, 29, 29, 29, 29,
149, 149, 149, 149, 149, 149, 149, 149, 29, 29, 29, 29, 29, 29, 29, 29,
149, 149, 149, 149, 149, 149, 149, 149, 29, 29, 29, 29, 29, 29, 29, 29,
149, 149, 149, 149, 149, 149, 149, 149, 29, 29, 29, 29, 29, 29, 29, 29,
};
static const uint8_t cropped_u_plane[] = {
128, 128, 128, 128, 84, 84, 84, 84, 128, 128, 128, 128, 84,
84, 84, 84, 128, 128, 128, 128, 84, 84, 84, 84, 128, 128,
128, 128, 84, 84, 84, 84, 43, 43, 43, 43, 255, 255, 255,
255, 43, 43, 43, 43, 255, 255, 255, 255, 43, 43, 43, 43,
255, 255, 255, 255, 43, 43, 43, 43, 255, 255, 255, 255,
};
static const uint8_t cropped_v_plane[] = {
128, 128, 128, 128, 255, 255, 255, 255, 128, 128, 128, 128, 255,
255, 255, 255, 128, 128, 128, 128, 255, 255, 255, 255, 128, 128,
128, 128, 255, 255, 255, 255, 21, 21, 21, 21, 107, 107, 107,
107, 21, 21, 21, 21, 107, 107, 107, 107, 21, 21, 21, 21,
107, 107, 107, 107, 21, 21, 21, 21, 107, 107, 107, 107,
};
libyuv::I420Copy(cropped_y_plane, 16, cropped_u_plane, 8, cropped_v_plane, 8,
cropped_frame()->data(VideoFrame::kYPlane),
cropped_frame()->stride(VideoFrame::kYPlane),
cropped_frame()->data(VideoFrame::kUPlane),
cropped_frame()->stride(VideoFrame::kUPlane),
cropped_frame()->data(VideoFrame::kVPlane),
cropped_frame()->stride(VideoFrame::kVPlane), 16, 16);
}
SkCanvasVideoRendererTest::~SkCanvasVideoRendererTest() {}
void SkCanvasVideoRendererTest::PaintWithoutFrame(SkCanvas* canvas) {
SkPaint paint;
paint.setFilterQuality(kLow_SkFilterQuality);
renderer_.Paint(nullptr, canvas, kNaturalRect, paint, VIDEO_ROTATION_0,
Context3D());
}
void SkCanvasVideoRendererTest::Paint(
const scoped_refptr<VideoFrame>& video_frame,
SkCanvas* canvas,
Color color) {
PaintRotated(video_frame, canvas, kNaturalRect, color, SkBlendMode::kSrcOver,
VIDEO_ROTATION_0);
}
void SkCanvasVideoRendererTest::PaintRotated(
const scoped_refptr<VideoFrame>& video_frame,
SkCanvas* canvas,
const gfx::RectF& dest_rect,
Color color,
SkBlendMode mode,
VideoRotation video_rotation) {
switch (color) {
case kNone:
break;
case kRed:
media::FillYUV(video_frame.get(), 76, 84, 255);
break;
case kGreen:
media::FillYUV(video_frame.get(), 149, 43, 21);
break;
case kBlue:
media::FillYUV(video_frame.get(), 29, 255, 107);
break;
}
SkPaint paint;
paint.setBlendMode(mode);
paint.setFilterQuality(kLow_SkFilterQuality);
renderer_.Paint(video_frame, canvas, dest_rect, paint, video_rotation,
Context3D());
}
void SkCanvasVideoRendererTest::Copy(
const scoped_refptr<VideoFrame>& video_frame,
SkCanvas* canvas) {
renderer_.Copy(video_frame, canvas, Context3D());
}
TEST_F(SkCanvasVideoRendererTest, NoFrame) {
// Test that black gets painted over canvas.
FillCanvas(target_canvas(), SK_ColorRED);
PaintWithoutFrame(target_canvas());
EXPECT_EQ(SK_ColorBLACK, GetColor(target_canvas()));
}
TEST_F(SkCanvasVideoRendererTest, TransparentFrame) {
FillCanvas(target_canvas(), SK_ColorRED);
PaintRotated(
VideoFrame::CreateTransparentFrame(gfx::Size(kWidth, kHeight)).get(),
target_canvas(), kNaturalRect, kNone, SkBlendMode::kSrcOver,
VIDEO_ROTATION_0);
EXPECT_EQ(static_cast<SkColor>(SK_ColorRED), GetColor(target_canvas()));
}
TEST_F(SkCanvasVideoRendererTest, TransparentFrameSrcMode) {
FillCanvas(target_canvas(), SK_ColorRED);
// SRC mode completely overwrites the buffer.
PaintRotated(
VideoFrame::CreateTransparentFrame(gfx::Size(kWidth, kHeight)).get(),
target_canvas(), kNaturalRect, kNone, SkBlendMode::kSrc,
VIDEO_ROTATION_0);
EXPECT_EQ(static_cast<SkColor>(SK_ColorTRANSPARENT),
GetColor(target_canvas()));
}
TEST_F(SkCanvasVideoRendererTest, CopyTransparentFrame) {
FillCanvas(target_canvas(), SK_ColorRED);
Copy(VideoFrame::CreateTransparentFrame(gfx::Size(kWidth, kHeight)).get(),
target_canvas());
EXPECT_EQ(static_cast<SkColor>(SK_ColorTRANSPARENT),
GetColor(target_canvas()));
}
TEST_F(SkCanvasVideoRendererTest, Natural) {
Paint(natural_frame(), target_canvas(), kRed);
EXPECT_EQ(SK_ColorRED, GetColor(target_canvas()));
}
TEST_F(SkCanvasVideoRendererTest, Larger) {
Paint(natural_frame(), target_canvas(), kRed);
EXPECT_EQ(SK_ColorRED, GetColor(target_canvas()));
Paint(larger_frame(), target_canvas(), kBlue);
EXPECT_EQ(SK_ColorBLUE, GetColor(target_canvas()));
}
TEST_F(SkCanvasVideoRendererTest, Smaller) {
Paint(natural_frame(), target_canvas(), kRed);
EXPECT_EQ(SK_ColorRED, GetColor(target_canvas()));
Paint(smaller_frame(), target_canvas(), kBlue);
EXPECT_EQ(SK_ColorBLUE, GetColor(target_canvas()));
}
TEST_F(SkCanvasVideoRendererTest, NoTimestamp) {
VideoFrame* video_frame = natural_frame().get();
video_frame->set_timestamp(media::kNoTimestamp);
Paint(video_frame, target_canvas(), kRed);
EXPECT_EQ(SK_ColorRED, GetColor(target_canvas()));
}
TEST_F(SkCanvasVideoRendererTest, CroppedFrame) {
Paint(cropped_frame(), target_canvas(), kNone);
// Check the corners.
EXPECT_EQ(SK_ColorBLACK, GetColorAt(target_canvas(), 0, 0));
EXPECT_EQ(SK_ColorRED, GetColorAt(target_canvas(), kWidth - 1, 0));
EXPECT_EQ(SK_ColorGREEN, GetColorAt(target_canvas(), 0, kHeight - 1));
EXPECT_EQ(SK_ColorBLUE, GetColorAt(target_canvas(), kWidth - 1, kHeight - 1));
// Check the interior along the border between color regions. Note that we're
// bilinearly upscaling, so we'll need to take care to pick sample points that
// are just outside the "zone of resampling".
EXPECT_EQ(SK_ColorBLACK, GetColorAt(target_canvas(), kWidth * 1 / 8 - 1,
kHeight * 1 / 6 - 1));
EXPECT_EQ(SK_ColorRED,
GetColorAt(target_canvas(), kWidth * 3 / 8, kHeight * 1 / 6 - 1));
EXPECT_EQ(SK_ColorGREEN,
GetColorAt(target_canvas(), kWidth * 1 / 8 - 1, kHeight * 3 / 6));
EXPECT_EQ(SK_ColorBLUE,
GetColorAt(target_canvas(), kWidth * 3 / 8, kHeight * 3 / 6));
}
TEST_F(SkCanvasVideoRendererTest, CroppedFrame_NoScaling) {
SkCanvas canvas(AllocBitmap(kWidth, kHeight));
const gfx::Rect crop_rect = cropped_frame()->visible_rect();
// Force painting to a non-zero position on the destination bitmap, to check
// if the coordinates are calculated properly.
const int offset_x = 10;
const int offset_y = 15;
canvas.translate(offset_x, offset_y);
// Create a destination canvas with dimensions and scale which would not
// cause scaling.
canvas.scale(static_cast<SkScalar>(crop_rect.width()) / kWidth,
static_cast<SkScalar>(crop_rect.height()) / kHeight);
Paint(cropped_frame(), &canvas, kNone);
// Check the corners.
EXPECT_EQ(SK_ColorBLACK, GetColorAt(&canvas, offset_x, offset_y));
EXPECT_EQ(SK_ColorRED,
GetColorAt(&canvas, offset_x + crop_rect.width() - 1, offset_y));
EXPECT_EQ(SK_ColorGREEN,
GetColorAt(&canvas, offset_x, offset_y + crop_rect.height() - 1));
EXPECT_EQ(SK_ColorBLUE, GetColorAt(&canvas, offset_x + crop_rect.width() - 1,
offset_y + crop_rect.height() - 1));
}
TEST_F(SkCanvasVideoRendererTest, Video_Rotation_90) {
SkCanvas canvas(AllocBitmap(kWidth, kHeight));
PaintRotated(cropped_frame(), &canvas, kNaturalRect, kNone,
SkBlendMode::kSrcOver, VIDEO_ROTATION_90);
// Check the corners.
EXPECT_EQ(SK_ColorGREEN, GetColorAt(&canvas, 0, 0));
EXPECT_EQ(SK_ColorBLACK, GetColorAt(&canvas, kWidth - 1, 0));
EXPECT_EQ(SK_ColorRED, GetColorAt(&canvas, kWidth - 1, kHeight - 1));
EXPECT_EQ(SK_ColorBLUE, GetColorAt(&canvas, 0, kHeight - 1));
}
TEST_F(SkCanvasVideoRendererTest, Video_Rotation_180) {
SkCanvas canvas(AllocBitmap(kWidth, kHeight));
PaintRotated(cropped_frame(), &canvas, kNaturalRect, kNone,
SkBlendMode::kSrcOver, VIDEO_ROTATION_180);
// Check the corners.
EXPECT_EQ(SK_ColorBLUE, GetColorAt(&canvas, 0, 0));
EXPECT_EQ(SK_ColorGREEN, GetColorAt(&canvas, kWidth - 1, 0));
EXPECT_EQ(SK_ColorBLACK, GetColorAt(&canvas, kWidth - 1, kHeight - 1));
EXPECT_EQ(SK_ColorRED, GetColorAt(&canvas, 0, kHeight - 1));
}
TEST_F(SkCanvasVideoRendererTest, Video_Rotation_270) {
SkCanvas canvas(AllocBitmap(kWidth, kHeight));
PaintRotated(cropped_frame(), &canvas, kNaturalRect, kNone,
SkBlendMode::kSrcOver, VIDEO_ROTATION_270);
// Check the corners.
EXPECT_EQ(SK_ColorRED, GetColorAt(&canvas, 0, 0));
EXPECT_EQ(SK_ColorBLUE, GetColorAt(&canvas, kWidth - 1, 0));
EXPECT_EQ(SK_ColorGREEN, GetColorAt(&canvas, kWidth - 1, kHeight - 1));
EXPECT_EQ(SK_ColorBLACK, GetColorAt(&canvas, 0, kHeight - 1));
}
TEST_F(SkCanvasVideoRendererTest, Video_Translate) {
SkCanvas canvas(AllocBitmap(kWidth, kHeight));
FillCanvas(&canvas, SK_ColorMAGENTA);
PaintRotated(cropped_frame(), &canvas,
gfx::RectF(kWidth / 2, kHeight / 2, kWidth / 2, kHeight / 2),
kNone, SkBlendMode::kSrcOver, VIDEO_ROTATION_0);
// Check the corners of quadrant 2 and 4.
EXPECT_EQ(SK_ColorMAGENTA, GetColorAt(&canvas, 0, 0));
EXPECT_EQ(SK_ColorMAGENTA, GetColorAt(&canvas, (kWidth / 2) - 1, 0));
EXPECT_EQ(SK_ColorMAGENTA,
GetColorAt(&canvas, (kWidth / 2) - 1, (kHeight / 2) - 1));
EXPECT_EQ(SK_ColorMAGENTA, GetColorAt(&canvas, 0, (kHeight / 2) - 1));
EXPECT_EQ(SK_ColorBLACK, GetColorAt(&canvas, kWidth / 2, kHeight / 2));
EXPECT_EQ(SK_ColorRED, GetColorAt(&canvas, kWidth - 1, kHeight / 2));
EXPECT_EQ(SK_ColorBLUE, GetColorAt(&canvas, kWidth - 1, kHeight - 1));
EXPECT_EQ(SK_ColorGREEN, GetColorAt(&canvas, kWidth / 2, kHeight - 1));
}
TEST_F(SkCanvasVideoRendererTest, Video_Translate_Rotation_90) {
SkCanvas canvas(AllocBitmap(kWidth, kHeight));
FillCanvas(&canvas, SK_ColorMAGENTA);
PaintRotated(cropped_frame(), &canvas,
gfx::RectF(kWidth / 2, kHeight / 2, kWidth / 2, kHeight / 2),
kNone, SkBlendMode::kSrcOver, VIDEO_ROTATION_90);
// Check the corners of quadrant 2 and 4.
EXPECT_EQ(SK_ColorMAGENTA, GetColorAt(&canvas, 0, 0));
EXPECT_EQ(SK_ColorMAGENTA, GetColorAt(&canvas, (kWidth / 2) - 1, 0));
EXPECT_EQ(SK_ColorMAGENTA,
GetColorAt(&canvas, (kWidth / 2) - 1, (kHeight / 2) - 1));
EXPECT_EQ(SK_ColorMAGENTA, GetColorAt(&canvas, 0, (kHeight / 2) - 1));
EXPECT_EQ(SK_ColorGREEN, GetColorAt(&canvas, kWidth / 2, kHeight / 2));
EXPECT_EQ(SK_ColorBLACK, GetColorAt(&canvas, kWidth - 1, kHeight / 2));
EXPECT_EQ(SK_ColorRED, GetColorAt(&canvas, kWidth - 1, kHeight - 1));
EXPECT_EQ(SK_ColorBLUE, GetColorAt(&canvas, kWidth / 2, kHeight - 1));
}
TEST_F(SkCanvasVideoRendererTest, Video_Translate_Rotation_180) {
SkCanvas canvas(AllocBitmap(kWidth, kHeight));
FillCanvas(&canvas, SK_ColorMAGENTA);
PaintRotated(cropped_frame(), &canvas,
gfx::RectF(kWidth / 2, kHeight / 2, kWidth / 2, kHeight / 2),
kNone, SkBlendMode::kSrcOver, VIDEO_ROTATION_180);
// Check the corners of quadrant 2 and 4.
EXPECT_EQ(SK_ColorMAGENTA, GetColorAt(&canvas, 0, 0));
EXPECT_EQ(SK_ColorMAGENTA, GetColorAt(&canvas, (kWidth / 2) - 1, 0));
EXPECT_EQ(SK_ColorMAGENTA,
GetColorAt(&canvas, (kWidth / 2) - 1, (kHeight / 2) - 1));
EXPECT_EQ(SK_ColorMAGENTA, GetColorAt(&canvas, 0, (kHeight / 2) - 1));
EXPECT_EQ(SK_ColorBLUE, GetColorAt(&canvas, kWidth / 2, kHeight / 2));
EXPECT_EQ(SK_ColorGREEN, GetColorAt(&canvas, kWidth - 1, kHeight / 2));
EXPECT_EQ(SK_ColorBLACK, GetColorAt(&canvas, kWidth - 1, kHeight - 1));
EXPECT_EQ(SK_ColorRED, GetColorAt(&canvas, kWidth / 2, kHeight - 1));
}
TEST_F(SkCanvasVideoRendererTest, Video_Translate_Rotation_270) {
SkCanvas canvas(AllocBitmap(kWidth, kHeight));
FillCanvas(&canvas, SK_ColorMAGENTA);
PaintRotated(cropped_frame(), &canvas,
gfx::RectF(kWidth / 2, kHeight / 2, kWidth / 2, kHeight / 2),
kNone, SkBlendMode::kSrcOver, VIDEO_ROTATION_270);
// Check the corners of quadrant 2 and 4.
EXPECT_EQ(SK_ColorMAGENTA, GetColorAt(&canvas, 0, 0));
EXPECT_EQ(SK_ColorMAGENTA, GetColorAt(&canvas, (kWidth / 2) - 1, 0));
EXPECT_EQ(SK_ColorMAGENTA,
GetColorAt(&canvas, (kWidth / 2) - 1, (kHeight / 2) - 1));
EXPECT_EQ(SK_ColorMAGENTA, GetColorAt(&canvas, 0, (kHeight / 2) - 1));
EXPECT_EQ(SK_ColorRED, GetColorAt(&canvas, kWidth / 2, kHeight / 2));
EXPECT_EQ(SK_ColorBLUE, GetColorAt(&canvas, kWidth - 1, kHeight / 2));
EXPECT_EQ(SK_ColorGREEN, GetColorAt(&canvas, kWidth - 1, kHeight - 1));
EXPECT_EQ(SK_ColorBLACK, GetColorAt(&canvas, kWidth / 2, kHeight - 1));
}
TEST_F(SkCanvasVideoRendererTest, HighBits) {
// Copy cropped_frame into a highbit frame.
scoped_refptr<VideoFrame> frame(VideoFrame::CreateFrame(
PIXEL_FORMAT_YUV420P10, cropped_frame()->coded_size(),
cropped_frame()->visible_rect(), cropped_frame()->natural_size(),
cropped_frame()->timestamp()));
for (int plane = VideoFrame::kYPlane; plane <= VideoFrame::kVPlane; ++plane) {
int width = cropped_frame()->row_bytes(plane);
uint16_t* dst = reinterpret_cast<uint16_t*>(frame->data(plane));
uint8_t* src = cropped_frame()->data(plane);
for (int row = 0; row < cropped_frame()->rows(plane); row++) {
for (int col = 0; col < width; col++) {
dst[col] = src[col] << 2;
}
src += cropped_frame()->stride(plane);
dst += frame->stride(plane) / 2;
}
}
Paint(frame, target_canvas(), kNone);
// Check the corners.
EXPECT_EQ(SK_ColorBLACK, GetColorAt(target_canvas(), 0, 0));
EXPECT_EQ(SK_ColorRED, GetColorAt(target_canvas(), kWidth - 1, 0));
EXPECT_EQ(SK_ColorGREEN, GetColorAt(target_canvas(), 0, kHeight - 1));
EXPECT_EQ(SK_ColorBLUE, GetColorAt(target_canvas(), kWidth - 1, kHeight - 1));
// Check the interior along the border between color regions. Note that we're
// bilinearly upscaling, so we'll need to take care to pick sample points that
// are just outside the "zone of resampling".
EXPECT_EQ(SK_ColorBLACK, GetColorAt(target_canvas(), kWidth * 1 / 8 - 1,
kHeight * 1 / 6 - 1));
EXPECT_EQ(SK_ColorRED,
GetColorAt(target_canvas(), kWidth * 3 / 8, kHeight * 1 / 6 - 1));
EXPECT_EQ(SK_ColorGREEN,
GetColorAt(target_canvas(), kWidth * 1 / 8 - 1, kHeight * 3 / 6));
EXPECT_EQ(SK_ColorBLUE,
GetColorAt(target_canvas(), kWidth * 3 / 8, kHeight * 3 / 6));
}
TEST_F(SkCanvasVideoRendererTest, Y16) {
SkBitmap bitmap;
bitmap.allocPixels(SkImageInfo::MakeN32(16, 16, kPremul_SkAlphaType));
// |offset_x| and |offset_y| define visible rect's offset to coded rect.
const int offset_x = 3;
const int offset_y = 5;
const int stride = bitmap.width() + offset_x;
const size_t byte_size = stride * (bitmap.height() + offset_y) * 2;
std::unique_ptr<unsigned char, base::AlignedFreeDeleter> memory(
static_cast<unsigned char*>(base::AlignedAlloc(
byte_size, media::VideoFrame::kFrameAddressAlignment)));
const gfx::Rect rect(offset_x, offset_y, bitmap.width(), bitmap.height());
scoped_refptr<media::VideoFrame> video_frame =
CreateTestY16Frame(gfx::Size(stride, offset_y + bitmap.height()), rect,
memory.get(), cropped_frame()->timestamp());
SkCanvas canvas(bitmap);
SkPaint paint;
paint.setFilterQuality(kNone_SkFilterQuality);
renderer_.Paint(video_frame, &canvas,
gfx::RectF(bitmap.width(), bitmap.height()), paint,
VIDEO_ROTATION_0, Context3D());
SkAutoLockPixels lock(bitmap);
for (int j = 0; j < bitmap.height(); j++) {
for (int i = 0; i < bitmap.width(); i++) {
const int value = i + j * bitmap.width();
EXPECT_EQ(SkColorSetRGB(value, value, value), bitmap.getColor(i, j));
}
}
}
namespace {
class TestGLES2Interface : public gpu::gles2::GLES2InterfaceStub {
public:
void GenTextures(GLsizei n, GLuint* textures) override {
DCHECK_EQ(1, n);
*textures = 1;
}
void TexImage2D(GLenum target,
GLint level,
GLint internalformat,
GLsizei width,
GLsizei height,
GLint border,
GLenum format,
GLenum type,
const void* pixels) override {
if (!teximage2d_callback_.is_null()) {
teximage2d_callback_.Run(target, level, internalformat, width, height,
border, format, type, pixels);
}
}
void TexSubImage2D(GLenum target,
GLint level,
GLint xoffset,
GLint yoffset,
GLsizei width,
GLsizei height,
GLenum format,
GLenum type,
const void* pixels) override {
if (!texsubimage2d_callback_.is_null()) {
texsubimage2d_callback_.Run(target, level, xoffset, yoffset, width,
height, format, type, pixels);
}
}
base::Callback<void(GLenum target,
GLint level,
GLint internalformat,
GLsizei width,
GLsizei height,
GLint border,
GLenum format,
GLenum type,
const void* pixels)>
teximage2d_callback_;
base::Callback<void(GLenum target,
GLint level,
GLint xoffset,
GLint yoffset,
GLsizei width,
GLsizei height,
GLenum format,
GLenum type,
const void* pixels)>
texsubimage2d_callback_;
};
void MailboxHoldersReleased(const gpu::SyncToken& sync_token) {}
} // namespace
// Test that SkCanvasVideoRendererTest::Paint doesn't crash when GrContext is
// abandoned.
TEST_F(SkCanvasVideoRendererTest, ContextLost) {
sk_sp<const GrGLInterface> null_interface(GrGLCreateNullInterface());
sk_sp<GrContext> gr_context(GrContext::Create(
kOpenGL_GrBackend,
reinterpret_cast<GrBackendContext>(null_interface.get())));
gr_context->abandonContext();
SkCanvas canvas(AllocBitmap(kWidth, kHeight));
TestGLES2Interface gles2;
Context3D context_3d(&gles2, gr_context.get());
gfx::Size size(kWidth, kHeight);
gpu::MailboxHolder holders[VideoFrame::kMaxPlanes] = {gpu::MailboxHolder(
gpu::Mailbox::Generate(), gpu::SyncToken(), GL_TEXTURE_RECTANGLE_ARB)};
auto video_frame = VideoFrame::WrapNativeTextures(
PIXEL_FORMAT_UYVY, holders, base::Bind(MailboxHoldersReleased), size,
gfx::Rect(size), size, kNoTimestamp);
SkPaint paint;
paint.setFilterQuality(kLow_SkFilterQuality);
renderer_.Paint(video_frame, &canvas, kNaturalRect, paint, VIDEO_ROTATION_90,
context_3d);
}
void EmptyCallback(const gpu::SyncToken& sync_token) {}
TEST_F(SkCanvasVideoRendererTest, CorrectFrameSizeToVisibleRect) {
int fWidth{16}, fHeight{16};
SkImageInfo imInfo =
SkImageInfo::MakeN32(fWidth, fHeight, kOpaque_SkAlphaType);
sk_sp<const GrGLInterface> glInterface(GrGLCreateNullInterface());
sk_sp<GrContext> grContext(
GrContext::Create(kOpenGL_GrBackend,
reinterpret_cast<GrBackendContext>(glInterface.get())));
sk_sp<SkSurface> skSurface =
SkSurface::MakeRenderTarget(grContext.get(), SkBudgeted::kYes, imInfo);
SkCanvas* canvas = skSurface->getCanvas();
TestGLES2Interface gles2;
Context3D context_3d(&gles2, grContext.get());
gfx::Size coded_size(fWidth, fHeight);
gfx::Size visible_size(fWidth / 2, fHeight / 2);
gpu::MailboxHolder mailbox_holders[VideoFrame::kMaxPlanes];
for (size_t i = 0; i < VideoFrame::kMaxPlanes; i++) {
mailbox_holders[i] = gpu::MailboxHolder(
gpu::Mailbox::Generate(), gpu::SyncToken(), GL_TEXTURE_RECTANGLE_ARB);
}
auto video_frame = VideoFrame::WrapNativeTextures(
PIXEL_FORMAT_I420, mailbox_holders, base::Bind(EmptyCallback), coded_size,
gfx::Rect(visible_size), visible_size,
base::TimeDelta::FromMilliseconds(4));
gfx::RectF visible_rect(visible_size.width(), visible_size.height());
SkPaint paint;
renderer_.Paint(video_frame, canvas, visible_rect, paint, VIDEO_ROTATION_0,
context_3d);
EXPECT_EQ(fWidth / 2, renderer_.LastImageDimensionsForTesting().width());
EXPECT_EQ(fWidth / 2, renderer_.LastImageDimensionsForTesting().height());
}
TEST_F(SkCanvasVideoRendererTest, TexImage2D_Y16_RGBA32F) {
// Create test frame.
// |offset_x| and |offset_y| define visible rect's offset to coded rect.
const int offset_x = 3;
const int offset_y = 5;
const int width = 16;
const int height = 16;
const int stride = width + offset_x;
const size_t byte_size = stride * (height + offset_y) * 2;
std::unique_ptr<unsigned char, base::AlignedFreeDeleter> memory(
static_cast<unsigned char*>(base::AlignedAlloc(
byte_size, media::VideoFrame::kFrameAddressAlignment)));
const gfx::Rect rect(offset_x, offset_y, width, height);
scoped_refptr<media::VideoFrame> video_frame =
CreateTestY16Frame(gfx::Size(stride, offset_y + height), rect,
memory.get(), cropped_frame()->timestamp());
// Create GL context.
sk_sp<const GrGLInterface> null_interface(GrGLCreateNullInterface());
sk_sp<GrContext> gr_context(GrContext::Create(
kOpenGL_GrBackend,
reinterpret_cast<GrBackendContext>(null_interface.get())));
TestGLES2Interface gles2;
Context3D context_3d(&gles2, gr_context.get());
// Bind the texImage2D callback to verify the uint16 to float32 conversion.
gles2.teximage2d_callback_ =
base::Bind([](GLenum target, GLint level, GLint internalformat,
GLsizei width, GLsizei height, GLint border, GLenum format,
GLenum type, const void* pixels) {
EXPECT_EQ(static_cast<unsigned>(GL_FLOAT), type);
EXPECT_EQ(static_cast<unsigned>(GL_RGBA), format);
EXPECT_EQ(GL_RGBA, internalformat);
EXPECT_EQ(0, border);
EXPECT_EQ(16, width);
EXPECT_EQ(16, height);
EXPECT_EQ(static_cast<unsigned>(GL_TEXTURE_2D), target);
const float* data = static_cast<const float*>(pixels);
for (int j = 0; j < height; j++) {
for (int i = 0; i < width; i++) {
const int value = i + (height - j - 1) * width; // flip_y is true.
float expected_value =
(((value & 0xFF) << 8) | (~value & 0xFF)) / 65535.f;
EXPECT_EQ(expected_value, data[(i + j * width) * 4]);
EXPECT_EQ(expected_value, data[(i + j * width) * 4 + 1]);
EXPECT_EQ(expected_value, data[(i + j * width) * 4 + 2]);
EXPECT_EQ(1.0f, data[(i + j * width) * 4 + 3]);
}
}
});
SkCanvasVideoRenderer::TexImage2D(GL_TEXTURE_2D, &gles2, video_frame.get(), 0,
GL_RGBA, GL_RGBA, GL_FLOAT, true /*flip_y*/,
true);
}
TEST_F(SkCanvasVideoRendererTest, TexSubImage2D_Y16_R32F) {
// Create test frame.
// |offset_x| and |offset_y| define visible rect's offset to coded rect.
const int offset_x = 3;
const int offset_y = 5;
const int width = 16;
const int height = 16;
const int stride = width + offset_x;
const size_t byte_size = stride * (height + offset_y) * 2;
std::unique_ptr<unsigned char, base::AlignedFreeDeleter> memory(
static_cast<unsigned char*>(base::AlignedAlloc(
byte_size, media::VideoFrame::kFrameAddressAlignment)));
const gfx::Rect rect(offset_x, offset_y, width, height);
scoped_refptr<media::VideoFrame> video_frame =
CreateTestY16Frame(gfx::Size(stride, offset_y + height), rect,
memory.get(), cropped_frame()->timestamp());
// Create GL context.
sk_sp<const GrGLInterface> null_interface(GrGLCreateNullInterface());
sk_sp<GrContext> gr_context(GrContext::Create(
kOpenGL_GrBackend,
reinterpret_cast<GrBackendContext>(null_interface.get())));
TestGLES2Interface gles2;
Context3D context_3d(&gles2, gr_context.get());
// Bind the texImage2D callback to verify the uint16 to float32 conversion.
gles2.texsubimage2d_callback_ = base::Bind([](
GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width,
GLsizei height, GLenum format, GLenum type, const void* pixels) {
EXPECT_EQ(static_cast<unsigned>(GL_FLOAT), type);
EXPECT_EQ(static_cast<unsigned>(GL_RED), format);
EXPECT_EQ(2, xoffset);
EXPECT_EQ(1, yoffset);
EXPECT_EQ(16, width);
EXPECT_EQ(16, height);
EXPECT_EQ(static_cast<unsigned>(GL_TEXTURE_2D), target);
const float* data = static_cast<const float*>(pixels);
for (int j = 0; j < height; j++) {
for (int i = 0; i < width; i++) {
const int value = i + j * width; // flip_y is false.
float expected_value =
(((value & 0xFF) << 8) | (~value & 0xFF)) / 65535.f;
EXPECT_EQ(expected_value, data[(i + j * width)]);
}
}
});
SkCanvasVideoRenderer::TexSubImage2D(GL_TEXTURE_2D, &gles2, video_frame.get(),
0, GL_RED, GL_FLOAT, 2 /*xoffset*/,
1 /*yoffset*/, false /*flip_y*/, true);
}
} // namespace media