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Diffstat (limited to '')
| -rw-r--r-- | dom/media/platforms/android/AndroidDecoderModule.cpp | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/dom/media/platforms/android/AndroidDecoderModule.cpp b/dom/media/platforms/android/AndroidDecoderModule.cpp new file mode 100644 index 0000000000..af7691168b --- /dev/null +++ b/dom/media/platforms/android/AndroidDecoderModule.cpp @@ -0,0 +1,243 @@ +/* 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 <jni.h> + +#ifdef MOZ_AV1 +# include "AOMDecoder.h" +#endif +#include "MediaInfo.h" +#include "OpusDecoder.h" +#include "RemoteDataDecoder.h" +#include "TheoraDecoder.h" +#include "VPXDecoder.h" +#include "VorbisDecoder.h" +#include "mozilla/ClearOnShutdown.h" +#include "mozilla/Components.h" +#include "mozilla/StaticPrefs_media.h" +#include "mozilla/gfx/gfxVars.h" +#include "mozilla/java/HardwareCodecCapabilityUtilsWrappers.h" +#include "nsIGfxInfo.h" +#include "nsPromiseFlatString.h" +#include "prlog.h" + +#undef LOG +#define LOG(arg, ...) \ + MOZ_LOG( \ + sAndroidDecoderModuleLog, mozilla::LogLevel::Debug, \ + ("AndroidDecoderModule(%p)::%s: " arg, this, __func__, ##__VA_ARGS__)) +#define SLOG(arg, ...) \ + MOZ_LOG(sAndroidDecoderModuleLog, mozilla::LogLevel::Debug, \ + ("%s: " arg, __func__, ##__VA_ARGS__)) + +using namespace mozilla; + +namespace mozilla { + +mozilla::LazyLogModule sAndroidDecoderModuleLog("AndroidDecoderModule"); + +nsCString TranslateMimeType(const nsACString& aMimeType) { + if (VPXDecoder::IsVPX(aMimeType, VPXDecoder::VP8)) { + static constexpr auto vp8 = "video/x-vnd.on2.vp8"_ns; + return vp8; + } + if (VPXDecoder::IsVPX(aMimeType, VPXDecoder::VP9)) { + static constexpr auto vp9 = "video/x-vnd.on2.vp9"_ns; + return vp9; + } + if (aMimeType.EqualsLiteral("video/av1")) { + static constexpr auto av1 = "video/av01"_ns; + return av1; + } + return nsCString(aMimeType); +} + +AndroidDecoderModule::AndroidDecoderModule(CDMProxy* aProxy) { + mProxy = static_cast<MediaDrmCDMProxy*>(aProxy); +} + +StaticAutoPtr<nsTArray<nsCString>> AndroidDecoderModule::sSupportedMimeTypes; + +media::DecodeSupportSet AndroidDecoderModule::SupportsMimeType( + const nsACString& aMimeType) { + if (jni::GetAPIVersion() < 16) { + return media::DecodeSupport::Unsupported; + } + + if (aMimeType.EqualsLiteral("video/mp4") || + aMimeType.EqualsLiteral("video/avc")) { + // TODO: Note that we do not yet distinguish between SW/HW decode support. + // Will be done in bug 1754239. + return media::DecodeSupport::SoftwareDecode; + } + + // When checking "audio/x-wav", CreateDecoder can cause a JNI ERROR by + // Accessing a stale local reference leading to a SIGSEGV crash. + // To avoid this we check for wav types here. + if (aMimeType.EqualsLiteral("audio/x-wav") || + aMimeType.EqualsLiteral("audio/wave; codecs=1") || + aMimeType.EqualsLiteral("audio/wave; codecs=3") || + aMimeType.EqualsLiteral("audio/wave; codecs=6") || + aMimeType.EqualsLiteral("audio/wave; codecs=7") || + aMimeType.EqualsLiteral("audio/wave; codecs=65534")) { + return media::DecodeSupport::Unsupported; + } + + if ((VPXDecoder::IsVPX(aMimeType, VPXDecoder::VP8) && + !gfx::gfxVars::UseVP8HwDecode()) || + (VPXDecoder::IsVPX(aMimeType, VPXDecoder::VP9) && + !gfx::gfxVars::UseVP9HwDecode())) { + return media::DecodeSupport::Unsupported; + } + + // Prefer the gecko decoder for opus and vorbis; stagefright crashes + // on content demuxed from mp4. + // Not all android devices support FLAC even when they say they do. + if (OpusDataDecoder::IsOpus(aMimeType) || + VorbisDataDecoder::IsVorbis(aMimeType) || + aMimeType.EqualsLiteral("audio/flac")) { + SLOG("Rejecting audio of type %s", aMimeType.Data()); + return media::DecodeSupport::Unsupported; + } + + // Prefer the gecko decoder for Theora. + // Not all android devices support Theora even when they say they do. + if (TheoraDecoder::IsTheora(aMimeType)) { + SLOG("Rejecting video of type %s", aMimeType.Data()); + return media::DecodeSupport::Unsupported; + } + + if (aMimeType.EqualsLiteral("audio/mpeg") && + StaticPrefs::media_ffvpx_mp3_enabled()) { + // Prefer the ffvpx mp3 software decoder if available. + return media::DecodeSupport::Unsupported; + } + + if (sSupportedMimeTypes) { + if (sSupportedMimeTypes->Contains(TranslateMimeType(aMimeType))) { + // TODO: Note that we do not yet distinguish between SW/HW decode support. + // Will be done in bug 1754239. + return media::DecodeSupport::SoftwareDecode; + } + } + + return media::DecodeSupport::Unsupported; +} + +nsTArray<nsCString> AndroidDecoderModule::GetSupportedMimeTypes() { + mozilla::jni::ObjectArray::LocalRef supportedTypes = mozilla::java:: + HardwareCodecCapabilityUtils::GetDecoderSupportedMimeTypes(); + + nsTArray<nsCString> st = nsTArray<nsCString>(); + for (size_t i = 0; i < supportedTypes->Length(); i++) { + st.AppendElement( + jni::String::LocalRef(supportedTypes->GetElement(i))->ToCString()); + } + + return st; +} + +void AndroidDecoderModule::SetSupportedMimeTypes( + nsTArray<nsCString>&& aSupportedTypes) { + if (!sSupportedMimeTypes) { + sSupportedMimeTypes = new nsTArray<nsCString>(std::move(aSupportedTypes)); + ClearOnShutdown(&sSupportedMimeTypes); + } +} + +media::DecodeSupportSet AndroidDecoderModule::SupportsMimeType( + const nsACString& aMimeType, DecoderDoctorDiagnostics* aDiagnostics) const { + return AndroidDecoderModule::SupportsMimeType(aMimeType); +} + +bool AndroidDecoderModule::SupportsColorDepth( + gfx::ColorDepth aColorDepth, DecoderDoctorDiagnostics* aDiagnostics) const { + // 10-bit support is codec dependent so this is not entirely accurate. + // Supports() will correct it. + return aColorDepth == gfx::ColorDepth::COLOR_8 || + aColorDepth == gfx::ColorDepth::COLOR_10; +} + +// Further check is needed because the base class uses the inaccurate +// SupportsColorDepth(). +media::DecodeSupportSet AndroidDecoderModule::Supports( + const SupportDecoderParams& aParams, + DecoderDoctorDiagnostics* aDiagnostics) const { + media::DecodeSupportSet support = + PlatformDecoderModule::Supports(aParams, aDiagnostics); + + // Short-circuit. + if (support == media::DecodeSupport::Unsupported) { + return support; + } + +#ifdef MOZ_AV1 + // For AV1, only allow HW decoder. + if (AOMDecoder::IsAV1(aParams.MimeType()) && + (!StaticPrefs::media_av1_enabled() || + !support.contains(media::DecodeSupport::HardwareDecode))) { + return media::DecodeSupport::Unsupported; + } +#endif + + // Check 10-bit video. + const TrackInfo& trackInfo = aParams.mConfig; + const VideoInfo* videoInfo = trackInfo.GetAsVideoInfo(); + if (!videoInfo || videoInfo->mColorDepth != gfx::ColorDepth::COLOR_10) { + return support; + } + + return java::HardwareCodecCapabilityUtils::Decodes10Bit( + TranslateMimeType(aParams.MimeType())) + ? support + : media::DecodeSupport::Unsupported; +} + +already_AddRefed<MediaDataDecoder> AndroidDecoderModule::CreateVideoDecoder( + const CreateDecoderParams& aParams) { + // 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 (aParams.VideoConfig().HasAlpha()) { + return nullptr; + } + + nsString drmStubId; + if (mProxy) { + drmStubId = mProxy->GetMediaDrmStubId(); + } + + RefPtr<MediaDataDecoder> decoder = + RemoteDataDecoder::CreateVideoDecoder(aParams, drmStubId, mProxy); + return decoder.forget(); +} + +already_AddRefed<MediaDataDecoder> AndroidDecoderModule::CreateAudioDecoder( + const CreateDecoderParams& aParams) { + const AudioInfo& config = aParams.AudioConfig(); + if (config.mBitDepth != 16) { + // We only handle 16-bit audio. + return nullptr; + } + + LOG("CreateAudioFormat with mimeType=%s, mRate=%d, channels=%d", + config.mMimeType.Data(), config.mRate, config.mChannels); + + nsString drmStubId; + if (mProxy) { + drmStubId = mProxy->GetMediaDrmStubId(); + } + RefPtr<MediaDataDecoder> decoder = + RemoteDataDecoder::CreateAudioDecoder(aParams, drmStubId, mProxy); + return decoder.forget(); +} + +/* static */ +already_AddRefed<PlatformDecoderModule> AndroidDecoderModule::Create( + CDMProxy* aProxy) { + return MakeAndAddRef<AndroidDecoderModule>(aProxy); +} + +} // namespace mozilla |