MediaCapture: Load media foundation on-demand

Saves loading a few megabytes worth of DLLs for a feature most users are
not going to use.
This commit is contained in:
Stenzek 2024-08-23 15:41:54 +10:00
parent 9a0d5db74f
commit 417c1e43dd
No known key found for this signature in database
2 changed files with 109 additions and 42 deletions

View File

@ -38,10 +38,7 @@
#include <mfreadwrite.h>
#include <wrl/client.h>
#pragma comment(lib, "mfreadwrite")
#pragma comment(lib, "mfplat")
#pragma comment(lib, "mfuuid")
#pragma comment(lib, "Mf")
#endif
#ifndef __ANDROID__
@ -179,6 +176,9 @@ protected:
std::atomic<u32> m_audio_buffer_size{0};
u32 m_audio_buffer_write_pos = 0;
ALIGN_TO_CACHE_LINE u32 m_audio_buffer_read_pos = 0;
// Shared across all backends.
[[maybe_unused]] static inline std::mutex s_load_mutex;
};
MediaCaptureBase::~MediaCaptureBase() = default;
@ -615,6 +615,19 @@ void MediaCaptureBase::DeleteOutputFile()
#ifdef _WIN32
#define VISIT_MFPLAT_IMPORTS(X) \
X(MFCreateMediaType) \
X(MFCreateMemoryBuffer) \
X(MFCreateSample) \
X(MFHeapFree) \
X(MFShutdown) \
X(MFStartup) \
X(MFTEnumEx)
#define VISIT_MFREADWRITE_IMPORTS(X) X(MFCreateSinkWriterFromURL)
#define VISIT_MF_IMPORTS(X) X(MFTranscodeGetAudioOutputAvailableTypes)
class MediaCaptureMF final : public MediaCaptureBase
{
template<class T>
@ -680,10 +693,21 @@ private:
ComPtr<IMFSample> m_video_output_sample;
u32 m_wanted_video_samples = 0;
DWORD m_video_sample_size = 0;
};
static std::once_flag s_media_foundation_initialized_flag;
static HRESULT s_media_foundation_initialized = S_OK;
#define DECLARE_IMPORT(X) static inline decltype(X)* wrap_##X;
VISIT_MFPLAT_IMPORTS(DECLARE_IMPORT);
VISIT_MFREADWRITE_IMPORTS(DECLARE_IMPORT);
VISIT_MF_IMPORTS(DECLARE_IMPORT);
#undef DECLARE_IMPORT
static bool LoadMediaFoundation(Error* error);
static void UnloadMediaFoundation();
static inline DynamicLibrary s_mfplat_library;
static inline DynamicLibrary s_mfreadwrite_library;
static inline DynamicLibrary s_mf_library;
static inline bool s_library_loaded = false;
};
struct MediaFoundationVideoCodec
{
@ -718,27 +742,71 @@ static constexpr const MediaFoundationAudioCodec s_media_foundation_audio_codecs
{"pcm", "Uncompressed PCM", MFAudioFormat_PCM, 0, std::numeric_limits<u32>::max()},
};
static bool InitializeMediaFoundation(Error* error)
bool MediaCaptureMF::LoadMediaFoundation(Error* error)
{
std::call_once(s_media_foundation_initialized_flag, []() {
s_media_foundation_initialized = MFStartup(MF_VERSION, MFSTARTUP_NOSOCKET);
if (SUCCEEDED(s_media_foundation_initialized))
std::atexit([]() { MFShutdown(); });
});
if (FAILED(s_media_foundation_initialized)) [[unlikely]]
std::unique_lock lock(s_load_mutex);
if (s_library_loaded)
return true;
bool result = s_mfplat_library.Open("mfplat.dll", error);
result = result && s_mfreadwrite_library.Open("mfreadwrite.dll", error);
result = result && s_mf_library.Open("mf.dll", error);
#define RESOLVE_IMPORT(X) result = result && s_mfplat_library.GetSymbol(#X, &wrap_##X);
VISIT_MFPLAT_IMPORTS(RESOLVE_IMPORT);
#undef RESOLVE_IMPORT
#define RESOLVE_IMPORT(X) result = result && s_mfreadwrite_library.GetSymbol(#X, &wrap_##X);
VISIT_MFREADWRITE_IMPORTS(RESOLVE_IMPORT);
#undef RESOLVE_IMPORT
#define RESOLVE_IMPORT(X) result = result && s_mf_library.GetSymbol(#X, &wrap_##X);
VISIT_MF_IMPORTS(RESOLVE_IMPORT);
#undef RESOLVE_IMPORT
HRESULT hr;
if (result && FAILED(hr = wrap_MFStartup(MF_VERSION, MFSTARTUP_NOSOCKET))) [[unlikely]]
{
Error::SetHResult(error, "MFStartup() failed: ", s_media_foundation_initialized);
return false;
Error::SetHResult(error, "MFStartup() failed: ", hr);
result = false;
}
return true;
if (result) [[likely]]
{
s_library_loaded = true;
std::atexit(&MediaCaptureMF::UnloadMediaFoundation);
return true;
}
UnloadMediaFoundation();
Error::AddPrefix(error, TRANSLATE_SV("MediaCapture", "Failed to load Media Foundation libraries: "));
return false;
}
void MediaCaptureMF::UnloadMediaFoundation()
{
#define CLEAR_IMPORT(X) wrap_##X = nullptr;
VISIT_MF_IMPORTS(CLEAR_IMPORT);
VISIT_MFREADWRITE_IMPORTS(CLEAR_IMPORT);
VISIT_MFPLAT_IMPORTS(CLEAR_IMPORT);
#undef CLEAR_IMPORT
s_mf_library.Close();
s_mfreadwrite_library.Close();
s_mfplat_library.Close();
s_library_loaded = false;
}
#undef VISIT_MF_IMPORTS
#undef VISIT_MFREADWRITE_IMPORTS
#undef VISIT_MFPLAT_IMPORTS
MediaCaptureMF::~MediaCaptureMF() = default;
std::unique_ptr<MediaCapture> MediaCaptureMF::Create(Error* error)
{
if (!InitializeMediaFoundation(error))
if (!LoadMediaFoundation(error))
return nullptr;
return std::make_unique<MediaCaptureMF>();
@ -828,8 +896,8 @@ bool MediaCaptureMF::InternalBeginCapture(float fps, float aspect, u32 sample_ra
static_cast<LONGLONG>(static_cast<double>(TEN_NANOSECONDS) / static_cast<double>(sample_rate));
}
if (FAILED(hr = MFCreateSinkWriterFromURL(StringUtil::UTF8StringToWideString(m_path).c_str(), nullptr, nullptr,
m_sink_writer.GetAddressOf())))
if (FAILED(hr = wrap_MFCreateSinkWriterFromURL(StringUtil::UTF8StringToWideString(m_path).c_str(), nullptr, nullptr,
m_sink_writer.GetAddressOf())))
{
Error::SetHResult(error, "MFCreateSinkWriterFromURL() failed: ", hr);
return false;
@ -927,8 +995,8 @@ MediaCaptureMF::ComPtr<IMFTransform> MediaCaptureMF::CreateVideoYUVTransform(Com
IMFActivate** transforms = nullptr;
UINT32 num_transforms = 0;
HRESULT hr = MFTEnumEx(MFT_CATEGORY_VIDEO_PROCESSOR, MFT_ENUM_FLAG_SORTANDFILTER, &input_type_info, &output_type_info,
&transforms, &num_transforms);
HRESULT hr = wrap_MFTEnumEx(MFT_CATEGORY_VIDEO_PROCESSOR, MFT_ENUM_FLAG_SORTANDFILTER, &input_type_info,
&output_type_info, &transforms, &num_transforms);
if (FAILED(hr)) [[unlikely]]
{
Error::SetHResult(error, "YUV MFTEnumEx() failed: ", hr);
@ -943,7 +1011,7 @@ MediaCaptureMF::ComPtr<IMFTransform> MediaCaptureMF::CreateVideoYUVTransform(Com
ComPtr<IMFTransform> transform;
hr = transforms[0]->ActivateObject(IID_PPV_ARGS(transform.GetAddressOf()));
if (transforms)
MFHeapFree(transforms);
wrap_MFHeapFree(transforms);
if (FAILED(hr)) [[unlikely]]
{
Error::SetHResult(error, "YUV ActivateObject() failed: ", hr);
@ -951,8 +1019,8 @@ MediaCaptureMF::ComPtr<IMFTransform> MediaCaptureMF::CreateVideoYUVTransform(Com
}
ComPtr<IMFMediaType> input_type;
if (FAILED(hr = MFCreateMediaType(input_type.GetAddressOf())) ||
FAILED(hr = MFCreateMediaType(output_type->GetAddressOf()))) [[unlikely]]
if (FAILED(hr = wrap_MFCreateMediaType(input_type.GetAddressOf())) ||
FAILED(hr = wrap_MFCreateMediaType(output_type->GetAddressOf()))) [[unlikely]]
{
Error::SetHResult(error, "YUV MFCreateMediaType() failed: ", hr);
return nullptr;
@ -1020,8 +1088,8 @@ MediaCaptureMF::ComPtr<IMFTransform> MediaCaptureMF::CreateVideoEncodeTransform(
IMFActivate** transforms = nullptr;
UINT32 num_transforms = 0;
HRESULT hr =
MFTEnumEx(MFT_CATEGORY_VIDEO_ENCODER, (hardware ? MFT_ENUM_FLAG_HARDWARE : 0) | MFT_ENUM_FLAG_SORTANDFILTER,
&input_type_info, &output_type_info, &transforms, &num_transforms);
wrap_MFTEnumEx(MFT_CATEGORY_VIDEO_ENCODER, (hardware ? MFT_ENUM_FLAG_HARDWARE : 0) | MFT_ENUM_FLAG_SORTANDFILTER,
&input_type_info, &output_type_info, &transforms, &num_transforms);
if (FAILED(hr)) [[unlikely]]
{
Error::SetHResult(error, "Encoder MFTEnumEx() failed: ", hr);
@ -1036,7 +1104,7 @@ MediaCaptureMF::ComPtr<IMFTransform> MediaCaptureMF::CreateVideoEncodeTransform(
ComPtr<IMFTransform> transform;
hr = transforms[0]->ActivateObject(IID_PPV_ARGS(transform.GetAddressOf()));
if (transforms)
MFHeapFree(transforms);
wrap_MFHeapFree(transforms);
if (FAILED(hr)) [[unlikely]]
{
Error::SetHResult(error, "Encoder ActivateObject() failed: ", hr);
@ -1060,7 +1128,7 @@ MediaCaptureMF::ComPtr<IMFTransform> MediaCaptureMF::CreateVideoEncodeTransform(
INFO_LOG("Using async video transform.");
}
if (FAILED(hr = MFCreateMediaType(output_type->GetAddressOf()))) [[unlikely]]
if (FAILED(hr = wrap_MFCreateMediaType(output_type->GetAddressOf()))) [[unlikely]]
{
Error::SetHResult(error, "Encoder MFCreateMediaType() failed: ", hr);
return nullptr;
@ -1220,7 +1288,7 @@ bool MediaCaptureMF::SendFrame(const PendingFrame& pf, Error* error)
HRESULT hr;
ComPtr<IMFMediaBuffer> buffer;
if (FAILED(hr = MFCreateMemoryBuffer(buffer_size, buffer.GetAddressOf()))) [[unlikely]]
if (FAILED(hr = wrap_MFCreateMemoryBuffer(buffer_size, buffer.GetAddressOf()))) [[unlikely]]
{
Error::SetHResult(error, "MFCreateMemoryBuffer() failed: ", hr);
return false;
@ -1244,7 +1312,7 @@ bool MediaCaptureMF::SendFrame(const PendingFrame& pf, Error* error)
}
ComPtr<IMFSample> sample;
if (FAILED(hr = MFCreateSample(sample.GetAddressOf()))) [[unlikely]]
if (FAILED(hr = wrap_MFCreateSample(sample.GetAddressOf()))) [[unlikely]]
{
Error::SetHResult(error, "MFCreateSample() failed: ", hr);
return false;
@ -1284,13 +1352,13 @@ bool MediaCaptureMF::SendFrame(const PendingFrame& pf, Error* error)
if (!m_video_yuv_sample)
{
ComPtr<IMFMediaBuffer> yuv_membuf;
if (FAILED(hr = MFCreateMemoryBuffer(buffer_size, yuv_membuf.GetAddressOf()))) [[unlikely]]
if (FAILED(hr = wrap_MFCreateMemoryBuffer(buffer_size, yuv_membuf.GetAddressOf()))) [[unlikely]]
{
Error::SetHResult(error, "YUV MFCreateMemoryBuffer() failed: ", hr);
return false;
}
if (FAILED(hr = MFCreateSample(m_video_yuv_sample.GetAddressOf()))) [[unlikely]]
if (FAILED(hr = wrap_MFCreateSample(m_video_yuv_sample.GetAddressOf()))) [[unlikely]]
{
Error::SetHResult(error, "YUV MFCreateSample() failed: ", hr);
return false;
@ -1352,13 +1420,13 @@ bool MediaCaptureMF::ProcessVideoOutputSamples(Error* error)
if (m_video_sample_size > 0 && !m_video_output_sample)
{
ComPtr<IMFMediaBuffer> video_membuf;
if (FAILED(hr = MFCreateMemoryBuffer(m_video_sample_size, video_membuf.GetAddressOf()))) [[unlikely]]
if (FAILED(hr = wrap_MFCreateMemoryBuffer(m_video_sample_size, video_membuf.GetAddressOf()))) [[unlikely]]
{
Error::SetHResult(error, "YUV MFCreateMemoryBuffer() failed: ", hr);
return false;
}
if (FAILED(hr = MFCreateSample(m_video_output_sample.GetAddressOf()))) [[unlikely]]
if (FAILED(hr = wrap_MFCreateSample(m_video_output_sample.GetAddressOf()))) [[unlikely]]
{
Error::SetHResult(error, "YUV MFCreateSample() failed: ", hr);
return false;
@ -1469,13 +1537,13 @@ bool MediaCaptureMF::ProcessVideoEvents(Error* error)
if (m_video_sample_size > 0 && !m_video_output_sample)
{
ComPtr<IMFMediaBuffer> video_membuf;
if (FAILED(hr = MFCreateMemoryBuffer(m_video_sample_size, video_membuf.GetAddressOf()))) [[unlikely]]
if (FAILED(hr = wrap_MFCreateMemoryBuffer(m_video_sample_size, video_membuf.GetAddressOf()))) [[unlikely]]
{
Error::SetHResult(error, "YUV MFCreateMemoryBuffer() failed: ", hr);
return false;
}
if (FAILED(hr = MFCreateSample(m_video_output_sample.GetAddressOf()))) [[unlikely]]
if (FAILED(hr = wrap_MFCreateSample(m_video_output_sample.GetAddressOf()))) [[unlikely]]
{
Error::SetHResult(error, "YUV MFCreateSample() failed: ", hr);
return false;
@ -1544,7 +1612,7 @@ bool MediaCaptureMF::GetAudioTypes(std::string_view codec, ComPtr<IMFMediaType>*
}
HRESULT hr;
if (FAILED(hr = MFCreateMediaType(input_type->GetAddressOf()))) [[unlikely]]
if (FAILED(hr = wrap_MFCreateMediaType(input_type->GetAddressOf()))) [[unlikely]]
{
Error::SetHResult(error, "Audio MFCreateMediaType() failed: ", hr);
return false;
@ -1575,7 +1643,7 @@ bool MediaCaptureMF::GetAudioTypes(std::string_view codec, ComPtr<IMFMediaType>*
ComPtr<IMFCollection> output_types_collection;
DWORD output_types_collection_size = 0;
hr = MFTranscodeGetAudioOutputAvailableTypes(output_subtype, 0, nullptr, output_types_collection.GetAddressOf());
hr = wrap_MFTranscodeGetAudioOutputAvailableTypes(output_subtype, 0, nullptr, output_types_collection.GetAddressOf());
if (FAILED(hr) || FAILED(hr = output_types_collection->GetElementCount(&output_types_collection_size))) [[unlikely]]
{
Error::SetHResult(error, "MFTranscodeGetAudioOutputAvailableTypes() failed: ", hr);
@ -1642,7 +1710,7 @@ bool MediaCaptureMF::ProcessAudioPackets(s64 video_pts, Error* error)
const u32 buffer_size = contig_frames * sizeof(s16) * AUDIO_CHANNELS;
ComPtr<IMFMediaBuffer> buffer;
if (FAILED(hr = MFCreateMemoryBuffer(buffer_size, buffer.GetAddressOf()))) [[unlikely]]
if (FAILED(hr = wrap_MFCreateMemoryBuffer(buffer_size, buffer.GetAddressOf()))) [[unlikely]]
{
Error::SetHResult(error, "Audio MFCreateMemoryBuffer() failed: ", hr);
return false;
@ -1665,7 +1733,7 @@ bool MediaCaptureMF::ProcessAudioPackets(s64 video_pts, Error* error)
}
ComPtr<IMFSample> sample;
if (FAILED(hr = MFCreateSample(sample.GetAddressOf()))) [[unlikely]]
if (FAILED(hr = wrap_MFCreateSample(sample.GetAddressOf()))) [[unlikely]]
{
Error::SetHResult(error, "Audio MFCreateSample() failed: ", hr);
return false;
@ -1876,7 +1944,6 @@ private:
static inline DynamicLibrary s_swscale_library;
static inline DynamicLibrary s_swresample_library;
static inline bool s_library_loaded = false;
static inline std::mutex s_load_mutex;
};
bool MediaCaptureFFmpeg::LoadFFmpeg(Error* error)

View File

@ -13,7 +13,7 @@
<ItemDefinitionGroup>
<Link>
<AdditionalDependencies>%(AdditionalDependencies);d3d11.lib;d3d12.lib;d3dcompiler.lib;dxgi.lib;Dwmapi.lib;winhttp.lib;Mfplat.lib;Mfreadwrite.lib</AdditionalDependencies>
<AdditionalDependencies>%(AdditionalDependencies);d3d11.lib;d3d12.lib;d3dcompiler.lib;dxgi.lib;Dwmapi.lib;winhttp.lib</AdditionalDependencies>
<AdditionalDependencies Condition="'$(Platform)'!='ARM64'">%(AdditionalDependencies);opengl32.lib</AdditionalDependencies>
</Link>
</ItemDefinitionGroup>