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https://github.com/yuzu-emu/yuzu.git
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video_core/codecs: more fixes for VAAPI detection ...
* skip impersonated VAAPI implementaions ("imposter detection") * place VAAPI priority below CUDA/NVDEC/CUVID
This commit is contained in:
parent
20a46790d7
commit
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@ -17,6 +17,10 @@
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extern "C" {
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extern "C" {
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#include <libavutil/opt.h>
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#include <libavutil/opt.h>
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#ifdef LIBVA_FOUND
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// for querying VAAPI driver information
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#include <libavutil/hwcontext_vaapi.h>
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#endif
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}
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}
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namespace Tegra {
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namespace Tegra {
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@ -29,6 +33,7 @@ constexpr std::array PREFERRED_GPU_DECODERS = {
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AV_HWDEVICE_TYPE_D3D11VA,
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AV_HWDEVICE_TYPE_D3D11VA,
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AV_HWDEVICE_TYPE_DXVA2,
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AV_HWDEVICE_TYPE_DXVA2,
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#elif defined(__linux__)
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#elif defined(__linux__)
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AV_HWDEVICE_TYPE_VAAPI,
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AV_HWDEVICE_TYPE_VDPAU,
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AV_HWDEVICE_TYPE_VDPAU,
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#endif
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#endif
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// last resort for Linux Flatpak (w/ NVIDIA)
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// last resort for Linux Flatpak (w/ NVIDIA)
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@ -78,79 +83,18 @@ static std::vector<AVHWDeviceType> ListSupportedContexts() {
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AVHWDeviceType current_device_type = AV_HWDEVICE_TYPE_NONE;
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AVHWDeviceType current_device_type = AV_HWDEVICE_TYPE_NONE;
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do {
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do {
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current_device_type = av_hwdevice_iterate_types(current_device_type);
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current_device_type = av_hwdevice_iterate_types(current_device_type);
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// filter out VA-API since we will try that first if supported
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if (current_device_type != AV_HWDEVICE_TYPE_VAAPI) {
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contexts.push_back(current_device_type);
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contexts.push_back(current_device_type);
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}
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} while (current_device_type != AV_HWDEVICE_TYPE_NONE);
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} while (current_device_type != AV_HWDEVICE_TYPE_NONE);
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return contexts;
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return contexts;
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}
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}
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#ifdef LIBVA_FOUND
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// List all the currently loaded Linux modules
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static std::vector<std::string> ListLinuxKernelModules() {
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using FILEPtr = std::unique_ptr<FILE, decltype(&std::fclose)>;
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auto module_listing = FILEPtr{fopen("/proc/modules", "rt"), std::fclose};
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std::vector<std::string> modules{};
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if (!module_listing) {
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LOG_WARNING(Service_NVDRV, "Could not open /proc/modules to collect available modules");
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return modules;
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}
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char* buffer = nullptr;
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size_t buf_len = 0;
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while (getline(&buffer, &buf_len, module_listing.get()) != -1) {
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// format for the module listing file (sysfs)
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// <name> <module_size> <depended_by_count> <depended_by_names> <status> <load_address>
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auto line = std::string(buffer);
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// we are only interested in module names
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auto name_pos = line.find_first_of(" ");
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if (name_pos == std::string::npos) {
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continue;
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}
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modules.push_back(line.erase(name_pos));
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}
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free(buffer);
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return modules;
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}
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#endif
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bool Codec::CreateGpuAvDevice() {
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bool Codec::CreateGpuAvDevice() {
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#if defined(LIBVA_FOUND)
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static constexpr std::array<const char*, 3> VAAPI_DRIVERS = {
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"i915",
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"iHD",
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"amdgpu",
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};
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AVDictionary* hwdevice_options = nullptr;
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const auto loaded_modules = ListLinuxKernelModules();
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av_dict_set(&hwdevice_options, "connection_type", "drm", 0);
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for (const auto& driver : VAAPI_DRIVERS) {
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// first check if the target driver is loaded in the kernel
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bool found = std::any_of(loaded_modules.begin(), loaded_modules.end(),
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[&driver](const auto& module) { return module == driver; });
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if (!found) {
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LOG_DEBUG(Service_NVDRV, "Kernel driver {} is not loaded, trying the next one", driver);
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continue;
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}
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av_dict_set(&hwdevice_options, "kernel_driver", driver, 0);
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const int hwdevice_error = av_hwdevice_ctx_create(&av_gpu_decoder, AV_HWDEVICE_TYPE_VAAPI,
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nullptr, hwdevice_options, 0);
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if (hwdevice_error >= 0) {
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LOG_INFO(Service_NVDRV, "Using VA-API with {}", driver);
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av_dict_free(&hwdevice_options);
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av_codec_ctx->pix_fmt = AV_PIX_FMT_VAAPI;
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return true;
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}
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LOG_DEBUG(Service_NVDRV, "VA-API av_hwdevice_ctx_create failed {}", hwdevice_error);
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}
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LOG_DEBUG(Service_NVDRV, "VA-API av_hwdevice_ctx_create failed for all drivers");
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av_dict_free(&hwdevice_options);
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#endif
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static constexpr auto HW_CONFIG_METHOD = AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX;
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static constexpr auto HW_CONFIG_METHOD = AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX;
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static const auto supported_contexts = ListSupportedContexts();
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static const auto supported_contexts = ListSupportedContexts();
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for (const auto& type : PREFERRED_GPU_DECODERS) {
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for (const auto& type : PREFERRED_GPU_DECODERS) {
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if (std::none_of(supported_contexts.begin(), supported_contexts.end(),
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if (std::none_of(supported_contexts.begin(), supported_contexts.end(),
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[&type](const auto& context) { return context == type; })) {
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[&type](const auto& context) { return context == type; })) {
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LOG_DEBUG(Service_NVDRV, "{} explicitly unsupported", av_hwdevice_get_type_name(type));
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continue;
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continue;
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}
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}
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const int hwdevice_res = av_hwdevice_ctx_create(&av_gpu_decoder, type, nullptr, nullptr, 0);
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const int hwdevice_res = av_hwdevice_ctx_create(&av_gpu_decoder, type, nullptr, nullptr, 0);
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@ -159,6 +103,24 @@ bool Codec::CreateGpuAvDevice() {
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av_hwdevice_get_type_name(type), hwdevice_res);
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av_hwdevice_get_type_name(type), hwdevice_res);
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continue;
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continue;
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}
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}
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#ifdef LIBVA_FOUND
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if (type == AV_HWDEVICE_TYPE_VAAPI) {
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// we need to determine if this is an impersonated VAAPI driver
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AVHWDeviceContext* hwctx =
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static_cast<AVHWDeviceContext*>(static_cast<void*>(av_gpu_decoder->data));
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AVVAAPIDeviceContext* vactx = static_cast<AVVAAPIDeviceContext*>(hwctx->hwctx);
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const char* vendor_name = vaQueryVendorString(vactx->display);
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if (strstr(vendor_name, "VDPAU backend")) {
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// VDPAU impersonated VAAPI impl's are super buggy, we need to skip them
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LOG_DEBUG(Service_NVDRV, "Skipping vdapu impersonated VAAPI driver");
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continue;
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} else {
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// according to some user testing, certain vaapi driver (Intel?) could be buggy
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// so let's log the driver name which may help the developers/supporters
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LOG_DEBUG(Service_NVDRV, "Using VAAPI driver: {}", vendor_name);
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}
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}
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#endif
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for (int i = 0;; i++) {
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for (int i = 0;; i++) {
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const AVCodecHWConfig* config = avcodec_get_hw_config(av_codec, i);
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const AVCodecHWConfig* config = avcodec_get_hw_config(av_codec, i);
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if (!config) {
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if (!config) {
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