mirror of
https://github.com/obsproject/obs-studio.git
synced 2026-03-17 05:57:11 -04:00
4e140d2ffe
Adds support for texture-based AMD encoding, with both H264, HEVC, and HDR support. Falls back to FFmpeg when texture-based encoding cannot be used for whatever reason. (Jim note: This is based upon obsproject/obs-studio#4538 by AMD/Luxoft with fewer files, FFmpeg fallback for software encoding, and HDR support. I also went to lengths to ensure that FFmpeg command line parameters also works with it) Co-authored-by: Jim <obs.jim@gmail.com>
132 lines
3.1 KiB
C++
132 lines
3.1 KiB
C++
#include "../external/AMF/include/core/Factory.h"
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#include "../external/AMF/include/core/Trace.h"
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#include "../external/AMF/include/components/VideoEncoderVCE.h"
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#include "../external/AMF/include/components/VideoEncoderHEVC.h"
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#include <util/windows/ComPtr.hpp>
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#include <dxgi.h>
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#include <d3d11.h>
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#include <d3d11_1.h>
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#include <string>
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#include <map>
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using namespace amf;
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#ifdef _MSC_VER
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extern "C" __declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1;
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#endif
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#define AMD_VENDOR_ID 0x1002
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struct adapter_caps {
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bool is_amd = false;
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bool supports_avc = false;
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bool supports_hevc = false;
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};
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static AMFFactory *amf_factory = nullptr;
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static std::map<uint32_t, adapter_caps> adapter_info;
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static bool has_encoder(AMFContextPtr &amf_context, const wchar_t *encoder_name)
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{
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AMFComponentPtr encoder;
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AMF_RESULT res = amf_factory->CreateComponent(amf_context, encoder_name,
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&encoder);
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return res == AMF_OK;
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}
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static bool get_adapter_caps(IDXGIFactory *factory, uint32_t adapter_idx)
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{
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AMF_RESULT res;
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HRESULT hr;
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ComPtr<IDXGIAdapter> adapter;
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hr = factory->EnumAdapters(adapter_idx, &adapter);
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if (FAILED(hr))
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return false;
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adapter_caps &caps = adapter_info[adapter_idx];
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DXGI_ADAPTER_DESC desc;
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adapter->GetDesc(&desc);
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if (desc.VendorId != AMD_VENDOR_ID)
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return true;
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caps.is_amd = true;
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ComPtr<IDXGIOutput> output;
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hr = adapter->EnumOutputs(0, &output);
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if (FAILED(hr))
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return true;
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ComPtr<ID3D11Device> device;
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ComPtr<ID3D11DeviceContext> context;
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hr = D3D11CreateDevice(adapter, D3D_DRIVER_TYPE_UNKNOWN, nullptr, 0,
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nullptr, 0, D3D11_SDK_VERSION, &device, nullptr,
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&context);
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if (FAILED(hr))
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return true;
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AMFContextPtr amf_context;
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res = amf_factory->CreateContext(&amf_context);
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if (res != AMF_OK)
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return true;
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res = amf_context->InitDX11(device);
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if (res != AMF_OK)
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return true;
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caps.supports_avc = has_encoder(amf_context, AMFVideoEncoderVCE_AVC);
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caps.supports_hevc = has_encoder(amf_context, AMFVideoEncoder_HEVC);
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return true;
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}
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int main(void)
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try {
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ComPtr<IDXGIFactory> factory;
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AMF_RESULT res;
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HRESULT hr;
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/* --------------------------------------------------------- */
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/* try initializing amf, I guess */
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HMODULE amf_module = LoadLibraryW(AMF_DLL_NAME);
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if (!amf_module)
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throw "Failed to load AMF lib";
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auto init =
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(AMFInit_Fn)GetProcAddress(amf_module, AMF_INIT_FUNCTION_NAME);
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if (!init)
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throw "Failed to get init func";
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res = init(AMF_FULL_VERSION, &amf_factory);
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if (res != AMF_OK)
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throw "AMFInit failed";
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hr = CreateDXGIFactory1(__uuidof(IDXGIFactory), (void **)&factory);
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if (FAILED(hr))
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throw "CreateDXGIFactory1 failed";
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uint32_t idx = 0;
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while (get_adapter_caps(factory, idx++))
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;
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for (auto &[idx, caps] : adapter_info) {
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printf("[%d]\n", idx);
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printf("is_amd=%s\n", caps.is_amd ? "true" : "false");
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printf("supports_avc=%s\n",
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caps.supports_avc ? "true" : "false");
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printf("supports_hevc=%s\n",
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caps.supports_hevc ? "true" : "false");
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}
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return 0;
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} catch (const char *text) {
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printf("[error]\nstring=%s\n", text);
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return 0;
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}
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