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Issue #2101 - Part 4: Add color range support to gfx/ycbcr

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Loosely based on current mozilla code
https://hg.mozilla.org/mozilla-central/file/25a8668d92431d469b443f0f2030328bab754aea/gfx/ycbcr/yuv_convert.cpp
This commit is contained in:
u3shit 2023-02-24 22:25:38 +01:00 • committed by roytam1
commit b5f9e9abb6
6 changed files with 128 additions and 78 deletions
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103
gfx/ycbcr/yuv_convert.cpp
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@ -94,7 +94,8 @@ void ConvertYCbCrToRGB32(const uint8_t* y_buf,
int uv_pitch,
int rgb_pitch,
YUVType yuv_type,
YUVColorSpace yuv_color_space) {
YUVColorSpace yuv_color_space,
ColorRange color_range) {
// Deprecated function's conversion is accurate.
@ -107,7 +108,8 @@ void ConvertYCbCrToRGB32(const uint8_t* y_buf,
// See Bug 1256475.
bool use_deprecated = gfxPrefs::YCbCrAccurateConversion() ||
(supports_mmx() && supports_sse() && !supports_sse3() &&
yuv_color_space == YUVColorSpace::BT601);
yuv_color_space == YUVColorSpace::BT601 &&
color_range == ColorRange::LIMITED);
// The deprecated function only support BT601.
// See Bug 1210357.
if (yuv_color_space != YUVColorSpace::BT601) {
@ -120,55 +122,53 @@ void ConvertYCbCrToRGB32(const uint8_t* y_buf,
return;
}
if (yuv_type == YV24) {
const uint8_t* src_y = y_buf + y_pitch * pic_y + pic_x;
const uint8_t* src_u = u_buf + uv_pitch * pic_y + pic_x;
const uint8_t* src_v = v_buf + uv_pitch * pic_y + pic_x;
if (yuv_color_space == YUVColorSpace::IDENTITY) {
// Special case for RGB image
GBRPlanarToARGB(src_y, y_pitch, src_u, uv_pitch, src_v, uv_pitch,
rgb_buf, rgb_pitch, pic_width, pic_height);
return;
} else {
DebugOnly<int> err = libyuv::I444ToARGB(src_y, y_pitch,
src_u, uv_pitch,
src_v, uv_pitch,
rgb_buf, rgb_pitch,
pic_width, pic_height);
MOZ_ASSERT(!err);
decltype(libyuv::I420ToARGBMatrix)* fConvertYUVToARGB = nullptr;
const uint8_t* src_y = nullptr;
const uint8_t* src_u = nullptr;
const uint8_t* src_v = nullptr;
switch (yuv_type) {
case YV24: {
src_y = y_buf + y_pitch * pic_y + pic_x;
src_u = u_buf + uv_pitch * pic_y + pic_x;
src_v = v_buf + uv_pitch * pic_y + pic_x;
if (yuv_color_space == YUVColorSpace::IDENTITY) {
// Special case for RGB image.
GBRPlanarToARGB(src_y, y_pitch, src_u, uv_pitch, src_v, uv_pitch,
rgb_buf, rgb_pitch, pic_width, pic_height);
return;
}
fConvertYUVToARGB = libyuv::I444ToARGBMatrix;
break;
}
} else if (yuv_type == YV16) {
const uint8_t* src_y = y_buf + y_pitch * pic_y + pic_x;
const uint8_t* src_u = u_buf + uv_pitch * pic_y + pic_x / 2;
const uint8_t* src_v = v_buf + uv_pitch * pic_y + pic_x / 2;
DebugOnly<int> err = libyuv::I422ToARGB(src_y, y_pitch,
src_u, uv_pitch,
src_v, uv_pitch,
rgb_buf, rgb_pitch,
pic_width, pic_height);
MOZ_ASSERT(!err);
} else {
MOZ_ASSERT(yuv_type == YV12);
const uint8_t* src_y = y_buf + y_pitch * pic_y + pic_x;
const uint8_t* src_u = u_buf + (uv_pitch * pic_y + pic_x) / 2;
const uint8_t* src_v = v_buf + (uv_pitch * pic_y + pic_x) / 2;
if (yuv_color_space == YUVColorSpace::BT709) {
DebugOnly<int> err = libyuv::H420ToARGB(src_y, y_pitch,
src_u, uv_pitch,
src_v, uv_pitch,
rgb_buf, rgb_pitch,
pic_width, pic_height);
MOZ_ASSERT(!err);
} else {
MOZ_ASSERT(yuv_color_space == YUVColorSpace::BT601);
DebugOnly<int> err = libyuv::I420ToARGB(src_y, y_pitch,
src_u, uv_pitch,
src_v, uv_pitch,
rgb_buf, rgb_pitch,
pic_width, pic_height);
MOZ_ASSERT(!err);
case YV16: {
src_y = y_buf + y_pitch * pic_y + pic_x;
src_u = u_buf + uv_pitch * pic_y + pic_x / 2;
src_v = v_buf + uv_pitch * pic_y + pic_x / 2;
fConvertYUVToARGB = libyuv::I422ToARGBMatrix;
break;
}
case YV12: {
src_y = y_buf + y_pitch * pic_y + pic_x;
src_u = u_buf + (uv_pitch * pic_y + pic_x) / 2;
src_v = v_buf + (uv_pitch * pic_y + pic_x) / 2;
fConvertYUVToARGB = libyuv::I420ToARGBMatrix;
break;
}
default:
MOZ_ASSERT_UNREACHABLE("Unsupported YUV type");
}
auto yuv_constant = libyuv::GetYUVConstants(yuv_color_space, color_range);
DebugOnly<int> err =
fConvertYUVToARGB(src_y, y_pitch, src_u, uv_pitch, src_v, uv_pitch,
rgb_buf, rgb_pitch, yuv_constant, pic_width, pic_height);
MOZ_ASSERT(!err);
}
// Convert a frame of YUV to 32 bit ARGB.
@ -300,6 +300,7 @@ void ScaleYCbCrToRGB32(const uint8_t* y_buf,
int rgb_pitch,
YUVType yuv_type,
YUVColorSpace yuv_color_space,
ColorRange color_range,
ScaleFilter filter) {
bool use_deprecated = gfxPrefs::YCbCrAccurateConversion() ||
@ -307,7 +308,8 @@ void ScaleYCbCrToRGB32(const uint8_t* y_buf,
// libyuv does not support SIMD scaling on win 64bit. See Bug 1295927.
supports_sse3() ||
#endif
(supports_mmx() && supports_sse() && !supports_sse3());
(supports_mmx() && supports_sse() && !supports_sse3() &&
color_range == ColorRange::LIMITED);
// The deprecated function only support BT601.
// See Bug 1210357.
if (yuv_color_space != YUVColorSpace::BT601) {
@ -327,6 +329,8 @@ void ScaleYCbCrToRGB32(const uint8_t* y_buf,
}
if (yuv_type == YV24 && yuv_color_space == YUVColorSpace::IDENTITY) {
MOZ_ASSERT(color_range == ColorRange::LIMITED,
"Identity (aka RGB) with limited color range is unsupporeted");
auto buffer = MakeUnique<uint8_t[]>(source_width * source_height * 4);
auto buffer_pitch = source_width * 4;
GBRPlanarToARGB(y_buf, y_pitch, u_buf, uv_pitch, v_buf, uv_pitch,
@ -347,6 +351,7 @@ void ScaleYCbCrToRGB32(const uint8_t* y_buf,
v_buf, uv_pitch,
FourCCFromYUVType(yuv_type),
yuv_color_space,
color_range,
source_width, source_height,
rgb_buf, rgb_pitch,
width, height,