Source code

Revision control

Other Tools

/* 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>
#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/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;
using media::TimeUnit;
namespace mozilla {
mozilla::LazyLogModule sAndroidDecoderModuleLog("AndroidDecoderModule");
const nsCString TranslateMimeType(const nsACString& aMimeType) {
if (VPXDecoder::IsVPX(aMimeType, VPXDecoder::VP8)) {
static constexpr auto vp8 = "video/x-vnd.on2.vp8"_ns;
return vp8;
} else if (VPXDecoder::IsVPX(aMimeType, VPXDecoder::VP9)) {
static constexpr auto vp9 = "video/x-vnd.on2.vp9"_ns;
return vp9;
}
return nsCString(aMimeType);
}
static bool GetFeatureStatus(int32_t aFeature) {
nsCOMPtr<nsIGfxInfo> gfxInfo = components::GfxInfo::Service();
int32_t status = nsIGfxInfo::FEATURE_STATUS_UNKNOWN;
nsCString discardFailureId;
if (!gfxInfo || NS_FAILED(gfxInfo->GetFeatureStatus(
aFeature, discardFailureId, &status))) {
return false;
}
return status == nsIGfxInfo::FEATURE_STATUS_OK;
};
AndroidDecoderModule::AndroidDecoderModule(CDMProxy* aProxy) {
mProxy = static_cast<MediaDrmCDMProxy*>(aProxy);
}
StaticAutoPtr<nsTArray<nsCString>> AndroidDecoderModule::sSupportedMimeTypes;
bool AndroidDecoderModule::SupportsMimeType(const nsACString& aMimeType) {
if (jni::GetAPIVersion() < 16) {
return false;
}
if (aMimeType.EqualsLiteral("video/mp4") ||
aMimeType.EqualsLiteral("video/avc")) {
return true;
}
// 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 false;
}
if ((VPXDecoder::IsVPX(aMimeType, VPXDecoder::VP8) &&
!GetFeatureStatus(nsIGfxInfo::FEATURE_VP8_HW_DECODE)) ||
(VPXDecoder::IsVPX(aMimeType, VPXDecoder::VP9) &&
!GetFeatureStatus(nsIGfxInfo::FEATURE_VP9_HW_DECODE))) {
return false;
}
// 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 false;
}
// 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 false;
}
if (aMimeType.EqualsLiteral("audio/mpeg") &&
StaticPrefs::media_ffvpx_mp3_enabled()) {
// Prefer the ffvpx mp3 software decoder if available.
return false;
}
if (sSupportedMimeTypes) {
return sSupportedMimeTypes->Contains(TranslateMimeType(aMimeType));
}
return false;
}
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);
}
}
bool AndroidDecoderModule::SupportsMimeType(
const nsACString& aMimeType, DecoderDoctorDiagnostics* aDiagnostics) const {
return AndroidDecoderModule::SupportsMimeType(aMimeType);
}
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