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Test if vaExportSurfaceHandle() works before claiming EGL export is supported

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This commit is contained in:
Cameron Gutman 2020-05-13 19:39:45 -07:00
parent b800ce9ebe
commit 283f31a734
1 changed files with 41 additions and 0 deletions
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41
app/streaming/video/ffmpeg-renderers/vaapi.cpp
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@ -427,8 +427,49 @@ VAAPIRenderer::renderFrame(AVFrame* frame)
#ifdef HAVE_EGL
// Ensure that vaExportSurfaceHandle() is supported by the VA-API driver
bool
VAAPIRenderer::canExportEGL() {
AVHWDeviceContext* deviceContext = (AVHWDeviceContext*)m_HwContext->data;
AVVAAPIDeviceContext* vaDeviceContext = (AVVAAPIDeviceContext*)deviceContext->hwctx;
VASurfaceID surfaceId;
VAStatus st;
VADRMPRIMESurfaceDescriptor descriptor;
st = vaCreateSurfaces(vaDeviceContext->display,
VA_RT_FORMAT_YUV420,
1280,
720,
&surfaceId,
1,
nullptr,
0);
if (st != VA_STATUS_SUCCESS) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"vaCreateSurfaces() failed: %d", st);
return false;
}
st = vaExportSurfaceHandle(vaDeviceContext->display,
surfaceId,
VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME_2,
VA_EXPORT_SURFACE_READ_ONLY | VA_EXPORT_SURFACE_SEPARATE_LAYERS,
&descriptor);
vaDestroySurfaces(vaDeviceContext->display, &surfaceId, 1);
if (st != VA_STATUS_SUCCESS) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"vaExportSurfaceHandle() failed: %d", st);
return false;
}
for (size_t i = 0; i < descriptor.num_objects; ++i) {
close(descriptor.objects[i].fd);
}
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"VAAPI driver supports exporting DRM PRIME surface handles");
return true;
}