loliball/media3
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

HDR: Clamp YUV to RGB conversion.

Browse Source 
Manually tested using transformer demo HLG videos. Before this CL, RGB values after the YUV to RGB conversion reached up to 1.025. After this CL, RGB values correctly clamp at 1.0.

PiperOrigin-RevId: 468426092
This commit is contained in:
huangdarwin 2022-08-18 11:31:03 +00:00 committed by Marc Baechinger
parent 6950f3aaa8
commit 244d38cf0e
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libraries/effect/src/main/assets/shaders/fragment_shader_copy_external_yuv_es3.glsl
View File

@ -63,7 +63,7 @@ highp vec4 hlgOetf(highp vec4 hlgColor) {
/** Convert YUV to RGBA. */ /** Convert YUV to RGBA. */
vec4 yuvToRgba(vec3 yuv) { vec4 yuvToRgba(vec3 yuv) {
const vec3 yuvOffset = vec3(0.0625, 0.5, 0.5); const vec3 yuvOffset = vec3(0.0625, 0.5, 0.5);
vec3 rgb = uYuvToRgbColorTransform * (yuv - yuvOffset); vec3 rgb = clamp(uYuvToRgbColorTransform * (yuv - yuvOffset), 0.0, 1.0);
return vec4(rgb, 1.0); return vec4(rgb, 1.0);
} }