wuggy/Dactyloidae
wuggy/Dactyloidae
1
0
Fork 0
mirror of https://repo.dactyloidae.xyz/Dactyloidae/UXP.git synced 2026-09-23 00:47:31 +09:00
Code Issues Projects Releases Packages Wiki Activity

Issue #2357 - VPXDecoder does not decode alpha frames.

Browse source 
Another requirement to have transparency in videos. Straight port of Firefox 53 implementation, save for some oddities relating to needing to put uint8_t instead of uint8 in yuv_convert to get this to compile.

Ref: BZ 1321076, 1329104
This commit is contained in:
Jeremy Andrews 2023-10-23 22:20:36 -05:00 • committed by roytam1
commit c0ba3a8d2e
9 changed files with 315 additions and 65 deletions
Download patch file Download diff file Expand all files Collapse all files

21
gfx/ycbcr/YCbCrUtils.cpp
View file

@ -155,5 +155,26 @@ ConvertYCbCrToRGB(const layers::PlanarYCbCrData& aData,
}
}
void
ConvertYCbCrAToARGB(const uint8_t* aSrcY,
const uint8_t* aSrcU,
const uint8_t* aSrcV,
const uint8_t* aSrcA,
int aSrcStrideYA, int aSrcStrideUV,
uint8_t* aDstARGB, int aDstStrideARGB,
int aWidth, int aHeight) {
ConvertYCbCrAToARGB32(aSrcY,
aSrcU,
aSrcV,
aSrcA,
aDstARGB,
aWidth,
aHeight,
aSrcStrideYA,
aSrcStrideUV,
aDstStrideARGB);
}
} // namespace gfx
} // namespace mozilla

11
gfx/ycbcr/YCbCrUtils.h
View file

@ -24,6 +24,17 @@ ConvertYCbCrToRGB(const layers::PlanarYCbCrData& aData,
unsigned char* aDestBuffer,
int32_t aStride);
// Currently this function only has support for I420 type.
void
ConvertYCbCrAToARGB(const uint8_t* aSrcY,
const uint8_t* aSrcU,
const uint8_t* aSrcV,
const uint8_t* aSrcA,
int aSrcStrideYA, int aSrcStrideUV,
uint8_t* aDstARGB, int aDstStrideARGB,
int aWidth, int aHeight);
} // namespace gfx
} // namespace mozilla

21
gfx/ycbcr/yuv_convert.cpp
View file

@ -550,6 +550,27 @@ void ScaleYCbCrToRGB32_deprecated(const uint8_t* y_buf,
if (has_mmx)
EMMS();
}
void ConvertYCbCrAToARGB32(const uint8_t* y_buf,
const uint8_t* u_buf,
const uint8_t* v_buf,
const uint8_t* a_buf,
uint8_t* argb_buf,
int pic_width,
int pic_height,
int ya_pitch,
int uv_pitch,
int argb_pitch) {
// The downstream graphics stack expects an attenuated input, hence why the
// attenuation parameter is set.
DebugOnly<int> err = libyuv::I420AlphaToARGB(y_buf, ya_pitch,
u_buf, uv_pitch,
v_buf, uv_pitch,
a_buf, ya_pitch,
argb_buf, argb_pitch,
pic_width, pic_height, 1);
MOZ_ASSERT(!err);
}
} // namespace gfx
} // namespace mozilla

12
gfx/ycbcr/yuv_convert.h
View file

@ -106,6 +106,18 @@ void ScaleYCbCrToRGB32_deprecated(const uint8_t* yplane,
Rotate view_rotate,
ScaleFilter filter);
void ConvertYCbCrAToARGB32(const uint8_t* yplane,
const uint8_t* uplane,
const uint8_t* vplane,
const uint8_t* aplane,
uint8_t* argbframe,
int pic_width,
int pic_height,
int yastride,
int uvstride,
int argbstride);
} // namespace gfx
} // namespace mozilla