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Disable HDR encoding for AMF versions below 1.4.23
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@ -19,6 +19,8 @@ typedef long NTSTATUS;
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#include "src/platform/common.h"
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#include "src/video.h"
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#include <AMF/core/Factory.h>
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namespace platf {
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using namespace std::literals;
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}
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@ -485,6 +487,45 @@ namespace platf::dxgi {
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dup.use_dwmflush = config::video.dwmflush && !(config.framerate > refresh_rate) ? true : false;
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// Older versions of the AMD AMF runtime can crash when fed P010 surfaces, so we'll
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// check the AMF version if we are using HDR on an AMD GPU to avoid possibly crashing.
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if (config.dynamicRange && adapter_desc.VendorId == 0x1002) {
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HMODULE amfrt = LoadLibraryW(AMF_DLL_NAME);
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if (amfrt) {
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auto unload_amfrt = util::fail_guard([amfrt]() {
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FreeLibrary(amfrt);
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});
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auto fnAMFQueryVersion = (AMFQueryVersion_Fn) GetProcAddress(amfrt, AMF_QUERY_VERSION_FUNCTION_NAME);
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if (fnAMFQueryVersion) {
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amf_uint64 version;
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auto result = fnAMFQueryVersion(&version);
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if (result == AMF_OK) {
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// Fail if AMF version is below 1.4.23 where HEVC Main10 encoding was introduced.
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// AMF 1.4.23 corresponds to driver version 21.12.1 (21.40.11.03) or newer.
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if (version < AMF_MAKE_FULL_VERSION(1, 4, 23, 0)) {
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BOOST_LOG(warning) << "HDR encoding is disabled on AMF version "sv
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<< AMF_GET_MAJOR_VERSION(version) << '.'
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<< AMF_GET_MINOR_VERSION(version) << '.'
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<< AMF_GET_SUBMINOR_VERSION(version) << '.'
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<< AMF_GET_BUILD_VERSION(version);
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BOOST_LOG(warning) << "If your AMD GPU supports HEVC Main10 encoding, update your graphics drivers!"sv;
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return -1;
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}
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}
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else {
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BOOST_LOG(warning) << "AMFQueryVersion() failed: "sv << result;
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}
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}
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else {
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BOOST_LOG(warning) << "AMF DLL missing export: "sv << AMF_QUERY_VERSION_FUNCTION_NAME;
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}
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}
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else {
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BOOST_LOG(warning) << "Detected AMD GPU but AMF failed to load"sv;
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}
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}
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// Bump up thread priority
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{
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const DWORD flags = TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY;
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