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Diffstat (limited to '')
| -rw-r--r-- | dom/media/ipc/MFMediaEngineUtils.cpp | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/dom/media/ipc/MFMediaEngineUtils.cpp b/dom/media/ipc/MFMediaEngineUtils.cpp new file mode 100644 index 0000000000..01c4d4d07c --- /dev/null +++ b/dom/media/ipc/MFMediaEngineUtils.cpp @@ -0,0 +1,179 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "MFMediaEngineUtils.h" + +#include "WMFUtils.h" + +namespace mozilla { + +#define ENUM_TO_STR(enumVal) \ + case enumVal: \ + return #enumVal + +#define ENUM_TO_STR2(guid, enumVal) \ + if (guid == enumVal) { \ + return #enumVal; \ + } + +const char* MediaEventTypeToStr(MediaEventType aType) { + switch (aType) { + ENUM_TO_STR(MESourceUnknown); + ENUM_TO_STR(MESourceStarted); + ENUM_TO_STR(MEStreamStarted); + ENUM_TO_STR(MESourceSeeked); + ENUM_TO_STR(MEStreamSeeked); + ENUM_TO_STR(MENewStream); + ENUM_TO_STR(MEUpdatedStream); + ENUM_TO_STR(MESourceStopped); + ENUM_TO_STR(MEStreamStopped); + ENUM_TO_STR(MESourcePaused); + ENUM_TO_STR(MEStreamPaused); + ENUM_TO_STR(MEEndOfPresentation); + ENUM_TO_STR(MEEndOfStream); + ENUM_TO_STR(MEMediaSample); + ENUM_TO_STR(MEStreamTick); + ENUM_TO_STR(MEStreamThinMode); + ENUM_TO_STR(MEStreamFormatChanged); + ENUM_TO_STR(MESourceRateChanged); + ENUM_TO_STR(MEEndOfPresentationSegment); + ENUM_TO_STR(MESourceCharacteristicsChanged); + ENUM_TO_STR(MESourceRateChangeRequested); + ENUM_TO_STR(MESourceMetadataChanged); + ENUM_TO_STR(MESequencerSourceTopologyUpdated); + default: + return "Unknown MediaEventType"; + } +} + +const char* MediaEngineEventToStr(MF_MEDIA_ENGINE_EVENT aEvent) { + switch (aEvent) { + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_LOADSTART); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_PROGRESS); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_SUSPEND); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_ABORT); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_ERROR); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_EMPTIED); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_STALLED); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_PLAY); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_PAUSE); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_LOADEDMETADATA); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_LOADEDDATA); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_WAITING); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_PLAYING); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_CANPLAY); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_CANPLAYTHROUGH); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_SEEKING); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_SEEKED); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_TIMEUPDATE); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_ENDED); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_RATECHANGE); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_DURATIONCHANGE); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_VOLUMECHANGE); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_FORMATCHANGE); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_PURGEQUEUEDEVENTS); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_TIMELINE_MARKER); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_BALANCECHANGE); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_DOWNLOADCOMPLETE); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_BUFFERINGSTARTED); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_BUFFERINGENDED); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_FRAMESTEPCOMPLETED); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_NOTIFYSTABLESTATE); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_FIRSTFRAMEREADY); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_TRACKSCHANGE); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_OPMINFO); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_RESOURCELOST); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_DELAYLOADEVENT_CHANGED); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_STREAMRENDERINGERROR); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_SUPPORTEDRATES_CHANGED); + ENUM_TO_STR(MF_MEDIA_ENGINE_EVENT_AUDIOENDPOINTCHANGE); + default: + return "Unknown MF_MEDIA_ENGINE_EVENT"; + } +} + +const char* MFMediaEngineErrorToStr(MFMediaEngineError aError) { + switch (aError) { + ENUM_TO_STR(MF_MEDIA_ENGINE_ERR_NOERROR); + ENUM_TO_STR(MF_MEDIA_ENGINE_ERR_ABORTED); + ENUM_TO_STR(MF_MEDIA_ENGINE_ERR_NETWORK); + ENUM_TO_STR(MF_MEDIA_ENGINE_ERR_DECODE); + ENUM_TO_STR(MF_MEDIA_ENGINE_ERR_SRC_NOT_SUPPORTED); + ENUM_TO_STR(MF_MEDIA_ENGINE_ERR_ENCRYPTED); + default: + return "Unknown MFMediaEngineError"; + } +} + +const char* GUIDToStr(GUID aGUID) { + ENUM_TO_STR2(aGUID, MFAudioFormat_MP3) + ENUM_TO_STR2(aGUID, MFAudioFormat_AAC) + ENUM_TO_STR2(aGUID, MFAudioFormat_Vorbis) + ENUM_TO_STR2(aGUID, MFAudioFormat_Opus) + ENUM_TO_STR2(aGUID, MFVideoFormat_H264) + ENUM_TO_STR2(aGUID, MFVideoFormat_VP80) + ENUM_TO_STR2(aGUID, MFVideoFormat_VP90) + ENUM_TO_STR2(aGUID, MFVideoFormat_AV1) + ENUM_TO_STR2(aGUID, MFMediaType_Audio) + return "Unknown GUID"; +} + +const char* MFVideoRotationFormatToStr(MFVideoRotationFormat aFormat) { + switch (aFormat) { + ENUM_TO_STR(MFVideoRotationFormat_0); + ENUM_TO_STR(MFVideoRotationFormat_90); + ENUM_TO_STR(MFVideoRotationFormat_180); + ENUM_TO_STR(MFVideoRotationFormat_270); + default: + return "Unknown MFVideoRotationFormat"; + } +} + +const char* MFVideoTransferFunctionToStr(MFVideoTransferFunction aFunc) { + switch (aFunc) { + ENUM_TO_STR(MFVideoTransFunc_Unknown); + ENUM_TO_STR(MFVideoTransFunc_709); + ENUM_TO_STR(MFVideoTransFunc_2020); + ENUM_TO_STR(MFVideoTransFunc_sRGB); + default: + return "Unsupported MFVideoTransferFunction"; + } +} + +const char* MFVideoPrimariesToStr(MFVideoPrimaries aPrimaries) { + switch (aPrimaries) { + ENUM_TO_STR(MFVideoPrimaries_Unknown); + ENUM_TO_STR(MFVideoPrimaries_BT709); + ENUM_TO_STR(MFVideoPrimaries_BT2020); + default: + return "Unsupported MFVideoPrimaries"; + } +} + +void ByteArrayFromGUID(REFGUID aGuidIn, nsTArray<uint8_t>& aByteArrayOut) { + aByteArrayOut.SetLength(sizeof(GUID)); + // GUID is little endian. The byte array in network order is big endian. + GUID* reversedGuid = reinterpret_cast<GUID*>(aByteArrayOut.Elements()); + *reversedGuid = aGuidIn; + reversedGuid->Data1 = _byteswap_ulong(aGuidIn.Data1); + reversedGuid->Data2 = _byteswap_ushort(aGuidIn.Data2); + reversedGuid->Data3 = _byteswap_ushort(aGuidIn.Data3); + // Data4 is already a byte array so no need to byte swap. +} + +void GUIDFromByteArray(const nsTArray<uint8_t>& aByteArrayIn, GUID& aGuidOut) { + MOZ_ASSERT(aByteArrayIn.Length() == sizeof(GUID)); + GUID* reversedGuid = + reinterpret_cast<GUID*>(const_cast<uint8_t*>(aByteArrayIn.Elements())); + aGuidOut = *reversedGuid; + aGuidOut.Data1 = _byteswap_ulong(reversedGuid->Data1); + aGuidOut.Data2 = _byteswap_ushort(reversedGuid->Data2); + aGuidOut.Data3 = _byteswap_ushort(reversedGuid->Data3); + // Data4 is already a byte array so no need to byte swap. +} + +#undef ENUM_TO_STR +#undef ENUM_TO_STR2 + +} // namespace mozilla |