From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- media/gmp-clearkey/0.1/WMFUtils.cpp | 223 ++++++++++++++++++++++++++++++++++++ 1 file changed, 223 insertions(+) create mode 100644 media/gmp-clearkey/0.1/WMFUtils.cpp (limited to 'media/gmp-clearkey/0.1/WMFUtils.cpp') diff --git a/media/gmp-clearkey/0.1/WMFUtils.cpp b/media/gmp-clearkey/0.1/WMFUtils.cpp new file mode 100644 index 0000000000..5aa628f619 --- /dev/null +++ b/media/gmp-clearkey/0.1/WMFUtils.cpp @@ -0,0 +1,223 @@ +/* + * Copyright 2013, Mozilla Foundation and contributors + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "WMFUtils.h" + +#define INITGUID +#include +#include +#include + +#include + +#include "ClearKeyUtils.h" + +#ifndef __MINGW32__ +# pragma comment(lib, "mfuuid.lib") +# pragma comment(lib, "wmcodecdspuuid") +#endif + +void LOG(const char* format, ...) { +#ifdef WMF_DECODER_LOG + va_list args; + va_start(args, format); + vprintf(format, args); +#endif +} + +DEFINE_GUID(CLSID_CMSH264DecMFT, 0x62CE7E72, 0x4C71, 0x4d20, 0xB1, 0x5D, 0x45, + 0x28, 0x31, 0xA8, 0x7D, 0x9D); + +namespace wmf { + +#define MFPLAT_FUNC(_func, _dllname) decltype(::_func)* _func; +#include "WMFSymbols.h" +#undef MFPLAT_FUNC + +static bool LinkMfplat() { + static bool sInitDone = false; + static bool sInitOk = false; + if (!sInitDone) { + sInitDone = true; + HMODULE handle; + +#define MFPLAT_FUNC(_func, _dllname) \ + handle = GetModuleHandleA(_dllname); \ + if (!(_func = (decltype(_func))(GetProcAddress(handle, #_func)))) { \ + return false; \ + } + +#include "WMFSymbols.h" +#undef MFPLAT_FUNC + sInitOk = true; + } + return sInitOk; +} + +bool EnsureLibs() { + static bool sInitDone = false; + static bool sInitOk = false; + if (!sInitDone) { + sInitOk = LinkMfplat() && !!GetModuleHandleA(WMFDecoderDllName()); + sInitDone = true; + } + return sInitOk; +} + +int32_t MFOffsetToInt32(const MFOffset& aOffset) { + return int32_t(aOffset.value + (aOffset.fract / 65536.0f)); +} + +// Gets the sub-region of the video frame that should be displayed. +// See: +// http://msdn.microsoft.com/en-us/library/windows/desktop/bb530115(v=vs.85).aspx +HRESULT +GetPictureRegion(IMFMediaType* aMediaType, IntRect& aOutPictureRegion) { + // Determine if "pan and scan" is enabled for this media. If it is, we + // only display a region of the video frame, not the entire frame. + BOOL panScan = + MFGetAttributeUINT32(aMediaType, MF_MT_PAN_SCAN_ENABLED, FALSE); + + // If pan and scan mode is enabled. Try to get the display region. + HRESULT hr = E_FAIL; + MFVideoArea videoArea; + memset(&videoArea, 0, sizeof(MFVideoArea)); + if (panScan) { + hr = aMediaType->GetBlob(MF_MT_PAN_SCAN_APERTURE, (UINT8*)&videoArea, + sizeof(MFVideoArea), NULL); + } + + // If we're not in pan-and-scan mode, or the pan-and-scan region is not set, + // check for a minimimum display aperture. + if (!panScan || hr == MF_E_ATTRIBUTENOTFOUND) { + hr = aMediaType->GetBlob(MF_MT_MINIMUM_DISPLAY_APERTURE, (UINT8*)&videoArea, + sizeof(MFVideoArea), NULL); + } + + if (hr == MF_E_ATTRIBUTENOTFOUND) { + // Minimum display aperture is not set, for "backward compatibility with + // some components", check for a geometric aperture. + hr = aMediaType->GetBlob(MF_MT_GEOMETRIC_APERTURE, (UINT8*)&videoArea, + sizeof(MFVideoArea), NULL); + } + + if (SUCCEEDED(hr)) { + // The media specified a picture region, return it. + IntRect picture = IntRect(MFOffsetToInt32(videoArea.OffsetX), + MFOffsetToInt32(videoArea.OffsetY), + videoArea.Area.cx, videoArea.Area.cy); + ENSURE(picture.width <= mozilla::MAX_VIDEO_WIDTH, E_FAIL); + ENSURE(picture.height <= mozilla::MAX_VIDEO_HEIGHT, E_FAIL); + aOutPictureRegion = picture; + return S_OK; + } + + // No picture region defined, fall back to using the entire video area. + UINT32 width = 0, height = 0; + hr = MFGetAttributeSize(aMediaType, MF_MT_FRAME_SIZE, &width, &height); + ENSURE(SUCCEEDED(hr), hr); + ENSURE(width <= mozilla::MAX_VIDEO_WIDTH, E_FAIL); + ENSURE(height <= mozilla::MAX_VIDEO_HEIGHT, E_FAIL); + aOutPictureRegion = IntRect(0, 0, width, height); + return S_OK; +} + +HRESULT +GetDefaultStride(IMFMediaType* aType, uint32_t* aOutStride) { + // Try to get the default stride from the media type. + UINT32 stride = 0; + HRESULT hr = aType->GetUINT32(MF_MT_DEFAULT_STRIDE, &stride); + if (SUCCEEDED(hr)) { + ENSURE(stride <= mozilla::MAX_VIDEO_WIDTH, E_FAIL); + *aOutStride = stride; + return S_OK; + } + + // Stride attribute not set, calculate it. + GUID subtype = GUID_NULL; + uint32_t width = 0; + uint32_t height = 0; + + hr = aType->GetGUID(MF_MT_SUBTYPE, &subtype); + ENSURE(SUCCEEDED(hr), hr); + + hr = MFGetAttributeSize(aType, MF_MT_FRAME_SIZE, &width, &height); + ENSURE(SUCCEEDED(hr), hr); + ENSURE(width <= mozilla::MAX_VIDEO_WIDTH, E_FAIL); + ENSURE(height <= mozilla::MAX_VIDEO_HEIGHT, E_FAIL); + + LONG lstride = 0; + hr = MFGetStrideForBitmapInfoHeader(subtype.Data1, width, &lstride); + ENSURE(SUCCEEDED(hr), hr); + ENSURE(lstride <= mozilla::MAX_VIDEO_WIDTH, E_FAIL); + ENSURE(lstride >= 0, E_FAIL); + *aOutStride = lstride; + + return hr; +} + +void dump(const uint8_t* data, uint32_t len, const char* filename) { + FILE* f = 0; + fopen_s(&f, filename, "wb"); + fwrite(data, len, 1, f); + fclose(f); +} + +HRESULT +CreateMFT(const CLSID& clsid, const char* aDllName, + CComPtr& aOutMFT) { + HMODULE module = ::GetModuleHandleA(aDllName); + if (!module) { + LOG("Failed to get %S\n", aDllName); + return E_FAIL; + } + + typedef HRESULT(WINAPI * DllGetClassObjectFnPtr)( + const CLSID& clsid, const IID& iid, void** object); + + DllGetClassObjectFnPtr GetClassObjPtr = + reinterpret_cast( + GetProcAddress(module, "DllGetClassObject")); + if (!GetClassObjPtr) { + LOG("Failed to get DllGetClassObject\n"); + return E_FAIL; + } + + CComPtr classFactory; + HRESULT hr = GetClassObjPtr( + clsid, __uuidof(IClassFactory), + reinterpret_cast(static_cast(&classFactory))); + if (FAILED(hr)) { + LOG("Failed to get H264 IClassFactory\n"); + return E_FAIL; + } + + hr = classFactory->CreateInstance( + NULL, __uuidof(IMFTransform), + reinterpret_cast(static_cast(&aOutMFT))); + if (FAILED(hr)) { + LOG("Failed to get create MFT\n"); + return E_FAIL; + } + + return S_OK; +} + +int32_t GetNumThreads(int32_t aCoreCount) { + return aCoreCount > 4 ? -1 : (std::max)(aCoreCount - 1, 1); +} + +} // namespace wmf -- cgit v1.2.3