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Centralize colorspace and color range handling

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This commit is contained in:
Cameron Gutman
2022-09-24 12:28:23 -05:00
parent 78b522ec1d
commit 99885f5b4b
10 changed files with 93 additions and 121 deletions
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app/streaming/video/ffmpeg-renderers/eglvid.cpp
+8 -27
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@@ -739,10 +739,7 @@ const float *EGLRenderer::getColorOffsets(const AVFrame* frame) {
static const float limitedOffsets[] = { 16.0f / 255.0f, 128.0f / 255.0f, 128.0f / 255.0f };
static const float fullOffsets[] = { 0.0f, 128.0f / 255.0f, 128.0f / 255.0f };
// This handles the case where the color range is unknown,
// so that we use Limited color range which is the default
// behavior for Moonlight.
return (frame->color_range == AVCOL_RANGE_JPEG) ? fullOffsets : limitedOffsets;
return isFrameFullRange(frame) ? fullOffsets : limitedOffsets;
}
const float *EGLRenderer::getColorMatrix(const AVFrame* frame) {
@@ -780,33 +777,17 @@ const float *EGLRenderer::getColorMatrix(const AVFrame* frame) {
1.4746f, -0.5714f, 0.0f
};
// This handles the case where the color range is unknown,
// so that we use Limited color range which is the default
// behavior for Moonlight.
bool fullRange = (frame->color_range == AVCOL_RANGE_JPEG);
switch (frame->colorspace) {
case AVCOL_SPC_SMPTE170M:
case AVCOL_SPC_BT470BG:
bool fullRange = isFrameFullRange(frame);
switch (getFrameColorspace(frame)) {
case COLORSPACE_REC_601:
return fullRange ? bt601Full : bt601Lim;
case AVCOL_SPC_BT709:
case COLORSPACE_REC_709:
return fullRange ? bt709Full : bt709Lim;
case AVCOL_SPC_BT2020_NCL:
case AVCOL_SPC_BT2020_CL:
case COLORSPACE_REC_2020:
return fullRange ? bt2020Full : bt2020Lim;
default:
// Some backends don't populate this, so we'll assume
// the host gave us what we asked for by default.
switch (getDecoderColorspace()) {
case COLORSPACE_REC_601:
return fullRange ? bt601Full : bt601Lim;
case COLORSPACE_REC_709:
return fullRange ? bt709Full : bt709Lim;
case COLORSPACE_REC_2020:
return fullRange ? bt2020Full : bt2020Lim;
default:
SDL_assert(false);
}
};
SDL_assert(false);
}
return bt601Lim;
}