151 lines
5.2 KiB
C++
151 lines
5.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef WMFUtils_h
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#define WMFUtils_h
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#include <hstring.h>
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#include <winstring.h>
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#include "ImageTypes.h"
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#include "PlatformDecoderModule.h"
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#include "TimeUnits.h"
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#include "VideoUtils.h"
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#include "WMF.h"
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#include "mozilla/DefineEnum.h"
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#include "mozilla/gfx/Rect.h"
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#include "nsString.h"
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// Various utilities shared by WMF backend files.
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namespace mozilla {
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namespace gfx {
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enum class ColorDepth : uint8_t;
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}
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extern LazyLogModule sPDMLog;
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#define LOG_AND_WARNING_PDM(msg, ...) \
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do { \
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NS_WARNING(nsPrintfCString(msg, rv).get()); \
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MOZ_LOG(sPDMLog, LogLevel::Debug, \
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("%s:%d, " msg, __FILE__, __LINE__, ##__VA_ARGS__)); \
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} while (false)
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#ifndef RETURN_IF_FAILED
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# define RETURN_IF_FAILED(x) \
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do { \
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HRESULT rv = x; \
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if (MOZ_UNLIKELY(FAILED(rv))) { \
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LOG_AND_WARNING_PDM("(" #x ") failed, rv=%lx", rv); \
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return rv; \
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} \
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} while (false)
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#endif
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#ifndef RETURN_PARAM_IF_FAILED
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# define RETURN_PARAM_IF_FAILED(x, defaultOut) \
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do { \
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HRESULT rv = x; \
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if (MOZ_UNLIKELY(FAILED(rv))) { \
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LOG_AND_WARNING_PDM("(" #x ") failed, rv=%lx", rv); \
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return defaultOut; \
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} \
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} while (false)
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#endif
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static const GUID CLSID_MSOpusDecoder = {
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0x63e17c10,
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0x2d43,
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0x4c42,
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{0x8f, 0xe3, 0x8d, 0x8b, 0x63, 0xe4, 0x6a, 0x6a}};
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// Media types supported by Media Foundation.
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MOZ_DEFINE_ENUM_CLASS_WITH_TOSTRING(WMFStreamType,
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(Unknown, H264, VP8, VP9, AV1, HEVC, MP3,
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AAC, OPUS, VORBIS, SENTINEL));
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bool StreamTypeIsVideo(const WMFStreamType& aType);
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bool StreamTypeIsAudio(const WMFStreamType& aType);
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WMFStreamType GetStreamTypeFromMimeType(const nsCString& aMimeType);
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GUID GetOutputSubType(const gfx::ColorDepth& aColorDepth,
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bool aIsHardwareDecoding);
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nsCString GetSubTypeStr(const GUID& aSubtype);
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// Converts from microseconds to hundreds of nanoseconds.
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// We use microseconds for our timestamps, whereas WMF uses
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// hundreds of nanoseconds.
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inline int64_t UsecsToHNs(int64_t aUsecs) { return aUsecs * 10; }
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// Converts from hundreds of nanoseconds to microseconds.
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// We use microseconds for our timestamps, whereas WMF uses
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// hundreds of nanoseconds.
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inline int64_t HNsToUsecs(int64_t hNanoSecs) { return hNanoSecs / 10; }
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HRESULT HNsToFrames(int64_t aHNs, uint32_t aRate, int64_t* aOutFrames);
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HRESULT
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GetDefaultStride(IMFMediaType* aType, uint32_t aWidth, uint32_t* aOutStride);
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Maybe<gfx::YUVColorSpace> GetYUVColorSpace(IMFMediaType* aType);
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int32_t MFOffsetToInt32(const MFOffset& aOffset);
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// Gets the sub-region of the video frame that should be displayed.
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// See:
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// http://msdn.microsoft.com/en-us/library/windows/desktop/bb530115(v=vs.85).aspx
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HRESULT
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GetPictureRegion(IMFMediaType* aMediaType, gfx::IntRect& aOutPictureRegion);
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// Returns the duration of a IMFSample in TimeUnit.
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// Returns media::TimeUnit::Invalid() on failure.
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media::TimeUnit GetSampleDuration(IMFSample* aSample);
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// Returns the presentation time of a IMFSample in TimeUnit.
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// Returns media::TimeUnit::Invalid() on failure.
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media::TimeUnit GetSampleTime(IMFSample* aSample);
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inline bool IsFlagSet(DWORD flags, DWORD pattern) {
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return (flags & pattern) == pattern;
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}
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// Will return %ProgramW6432% value as per:
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// https://msdn.microsoft.com/library/windows/desktop/aa384274.aspx
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nsString GetProgramW6432Path();
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const char* MFTMessageTypeToStr(MFT_MESSAGE_TYPE aMsg);
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GUID AudioMimeTypeToMediaFoundationSubtype(const nsACString& aMimeType);
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GUID VideoMimeTypeToMediaFoundationSubtype(const nsACString& aMimeType);
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void AACAudioSpecificConfigToUserData(uint8_t aAACProfileLevelIndication,
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const uint8_t* aAudioSpecConfig,
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uint32_t aConfigLength,
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nsTArray<BYTE>& aOutUserData);
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class ScopedHString final {
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public:
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explicit ScopedHString(const nsAString& aStr) {
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WindowsCreateString(PromiseFlatString(aStr).get(), aStr.Length(), &mString);
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}
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explicit ScopedHString(const WCHAR aCharArray[]) {
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WindowsCreateString(aCharArray, wcslen(aCharArray), &mString);
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}
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~ScopedHString() { WindowsDeleteString(mString); }
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const HSTRING& Get() { return mString; }
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private:
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HSTRING mString;
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};
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} // namespace mozilla
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#endif
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