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Add chroma siting metadata to EGL exported frames

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This commit is contained in:
Cameron Gutman
2023-09-05 18:30:01 -05:00
parent ebc4c71c72
commit 9ed40b5d9f
1 changed files with 30 additions and 2 deletions
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32
app/streaming/video/ffmpeg-renderers/drm.cpp
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@@ -1147,8 +1147,8 @@ ssize_t DrmRenderer::exportEGLImages(AVFrame *frame, EGLDisplay dpy,
// DRM requires composed layers rather than separate layers per plane
SDL_assert(drmFrame->nb_layers == 1);
// Max 30 attributes (1 key + 1 value for each)
const int MAX_ATTRIB_COUNT = 30 * 2;
// Max 32 attributes (1 key + 1 value for each)
const int MAX_ATTRIB_COUNT = 32 * 2;
EGLAttrib attribs[MAX_ATTRIB_COUNT] = {
EGL_LINUX_DRM_FOURCC_EXT, (EGLAttrib)drmFrame->layers[0].format,
EGL_WIDTH, frame->width,
@@ -1246,6 +1246,34 @@ ssize_t DrmRenderer::exportEGLImages(AVFrame *frame, EGLDisplay dpy,
attribs[attribIndex++] = EGL_SAMPLE_RANGE_HINT_EXT;
attribs[attribIndex++] = isFrameFullRange(frame) ? EGL_YUV_FULL_RANGE_EXT : EGL_YUV_NARROW_RANGE_EXT;
// Add chroma siting metadata
switch (frame->chroma_location) {
case AVCHROMA_LOC_LEFT:
case AVCHROMA_LOC_TOPLEFT:
attribs[attribIndex++] = EGL_YUV_CHROMA_HORIZONTAL_SITING_HINT_EXT;
attribs[attribIndex++] = EGL_YUV_CHROMA_SITING_0_EXT;
break;
case AVCHROMA_LOC_CENTER:
case AVCHROMA_LOC_TOP:
attribs[attribIndex++] = EGL_YUV_CHROMA_HORIZONTAL_SITING_HINT_EXT;
attribs[attribIndex++] = EGL_YUV_CHROMA_SITING_0_5_EXT;
break;
}
switch (frame->chroma_location) {
case AVCHROMA_LOC_TOPLEFT:
case AVCHROMA_LOC_TOP:
attribs[attribIndex++] = EGL_YUV_CHROMA_VERTICAL_SITING_HINT_EXT;
attribs[attribIndex++] = EGL_YUV_CHROMA_SITING_0_EXT;
break;
case AVCHROMA_LOC_LEFT:
case AVCHROMA_LOC_CENTER:
attribs[attribIndex++] = EGL_YUV_CHROMA_VERTICAL_SITING_HINT_EXT;
attribs[attribIndex++] = EGL_YUV_CHROMA_SITING_0_5_EXT;
break;
}
// Terminate the attribute list
attribs[attribIndex++] = EGL_NONE;
SDL_assert(attribIndex <= MAX_ATTRIB_COUNT);