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Add VDPAU driver path fallbacks for AppImage

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This commit is contained in:
Cameron Gutman 2020-03-26 19:06:24 -07:00
parent b9019831a9
commit 2452e80e57
1 changed files with 41 additions and 0 deletions
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41
app/streaming/video/ffmpeg-renderers/vdpau.cpp
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@ -64,6 +64,21 @@ bool VDPAURenderer::initialize(PDECODER_PARAMETERS params)
int err;
VdpStatus status;
SDL_SysWMinfo info;
static const char* driverPathsToTry[] = {
#if Q_PROCESSOR_WORDSIZE == 8
"/usr/lib64",
"/usr/lib64/vdpau", // Fedora x86_64
#endif
"/usr/lib",
"/usr/lib/vdpau", // Fedora i386
#if defined(Q_PROCESSOR_X86_64)
"/usr/lib/x86_64-linux-gnu",
"/usr/lib/x86_64-linux-gnu/vdpau", // Ubuntu/Debian x86_64
#elif defined(Q_PROCESSOR_X86_32)
"/usr/lib/i386-linux-gnu",
"/usr/lib/i386-linux-gnu/vdpau", // Ubuntu/Debian i386
#endif
};
m_VideoWidth = params->width;
m_VideoHeight = params->height;
@ -71,6 +86,32 @@ bool VDPAURenderer::initialize(PDECODER_PARAMETERS params)
err = av_hwdevice_ctx_create(&m_HwContext,
AV_HWDEVICE_TYPE_VDPAU,
nullptr, nullptr, 0);
if (err < 0 && qEnvironmentVariableIsEmpty("VDPAU_DRIVER_PATH")) {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Trying fallback VDPAU driver paths");
// Unlike libva, libvdpau doesn't support multiple paths in
// their VDPAU_DRIVER_PATH variable, so we must try them all
// one at a time.
for (auto& driverPath : driverPathsToTry) {
qputenv("VDPAU_DRIVER_PATH", driverPath);
err = av_hwdevice_ctx_create(&m_HwContext,
AV_HWDEVICE_TYPE_VDPAU,
nullptr, nullptr, 0);
if (err == 0) {
// Success!
break;
}
}
if (err < 0) {
// Unset VDPAU_DRIVER_PATH if we set it ourselves
// and we didn't find any working VDPAU drivers.
qunsetenv("VDPAU_DRIVER_PATH");
}
}
if (err < 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Failed to create VDPAU context: %d",