/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim:set ts=2 sw=2 sts=2 et cindent: */ /* 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/. */ #ifndef __FFmpegDecoderModule_h__ #define __FFmpegDecoderModule_h__ #include "FFmpegAudioDecoder.h" #include "FFmpegLibWrapper.h" #include "FFmpegVideoDecoder.h" #include "PlatformDecoderModule.h" #include "VideoUtils.h" #include "VPXDecoder.h" #include "mozilla/StaticPrefs_media.h" namespace mozilla { template class FFmpegDecoderModule : public PlatformDecoderModule { public: static already_AddRefed Create( FFmpegLibWrapper* aLib) { RefPtr pdm = new FFmpegDecoderModule(aLib); return pdm.forget(); } explicit FFmpegDecoderModule(FFmpegLibWrapper* aLib) : mLib(aLib) {} virtual ~FFmpegDecoderModule() = default; already_AddRefed CreateVideoDecoder( const CreateDecoderParams& aParams) override { if (!Supports(SupportDecoderParams(aParams), nullptr)) { return nullptr; } RefPtr decoder = new FFmpegVideoDecoder( mLib, aParams.VideoConfig(), aParams.mKnowsCompositor, aParams.mImageContainer, aParams.mOptions.contains(CreateDecoderParams::Option::LowLatency), aParams.mOptions.contains( CreateDecoderParams::Option::HardwareDecoderNotAllowed)); return decoder.forget(); } already_AddRefed CreateAudioDecoder( const CreateDecoderParams& aParams) override { if (!Supports(SupportDecoderParams(aParams), nullptr)) { return nullptr; } RefPtr decoder = new FFmpegAudioDecoder(mLib, aParams.AudioConfig()); return decoder.forget(); } bool SupportsMimeType(const nsACString& aMimeType, DecoderDoctorDiagnostics* aDiagnostics) const override { UniquePtr trackInfo = CreateTrackInfoWithMIMEType(aMimeType); if (!trackInfo) { return false; } return Supports(SupportDecoderParams(*trackInfo), aDiagnostics); } bool Supports(const SupportDecoderParams& aParams, DecoderDoctorDiagnostics* aDiagnostics) const override { const auto& trackInfo = aParams.mConfig; const nsACString& mimeType = trackInfo.mMimeType; // Temporary - forces use of VPXDecoder when alpha is present. // Bug 1263836 will handle alpha scenario once implemented. It will shift // the check for alpha to PDMFactory but not itself remove the need for a // check. if (VPXDecoder::IsVPX(mimeType) && trackInfo.GetAsVideoInfo()->HasAlpha()) { return false; } AVCodecID videoCodec = FFmpegVideoDecoder::GetCodecId(mimeType); AVCodecID audioCodec = FFmpegAudioDecoder::GetCodecId(mimeType); if (audioCodec == AV_CODEC_ID_NONE && videoCodec == AV_CODEC_ID_NONE) { return false; } AVCodecID codec = audioCodec != AV_CODEC_ID_NONE ? audioCodec : videoCodec; return !!FFmpegDataDecoder::FindAVCodec(mLib, codec); } protected: bool SupportsColorDepth( gfx::ColorDepth aColorDepth, DecoderDoctorDiagnostics* aDiagnostics) const override { #if defined(MOZ_WIDGET_ANDROID) return aColorDepth == gfx::ColorDepth::COLOR_8; #endif return true; } private: FFmpegLibWrapper* mLib; }; } // namespace mozilla #endif // __FFmpegDecoderModule_h__