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HDR: Clamp YUV to RGB conversion.

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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
(cherry picked from commit 32ee44805b)
This commit is contained in:
huangdarwin 2022-08-18 11:31:03 +00:00 committed by microkatz
parent c65acc04d6
commit 4c36dae9bb
1 changed files with 1 additions and 1 deletions
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google3/third_party/java_src/android_libs/media/libraries/effect/src/main/assets/shaders/fragment_shader_copy_external_yuv_es3.glsl vendored
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@ -63,7 +63,7 @@ highp vec4 hlgOetf(highp vec4 hlgColor) {
/** Convert YUV to RGBA. */
vec4 yuvToRgba(vec3 yuv) {
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);
}