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/* -*- 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/. */
#include "ChromiumCDMVideoDecoder.h"
#include "ChromiumCDMProxy.h"
#include "content_decryption_module.h"
#include "GMPService.h"
#include "GMPVideoDecoder.h"
#include "MP4Decoder.h"
#include "VPXDecoder.h"
namespace mozilla {
ChromiumCDMVideoDecoder::ChromiumCDMVideoDecoder(
const GMPVideoDecoderParams& aParams, CDMProxy* aCDMProxy)
: mCDMParent(aCDMProxy->AsChromiumCDMProxy()->GetCDMParent()),
mConfig(aParams.mConfig),
mCrashHelper(aParams.mCrashHelper),
mGMPThread(GetGMPThread()),
mImageContainer(aParams.mImageContainer),
mKnowsCompositor(aParams.mKnowsCompositor) {}
ChromiumCDMVideoDecoder::~ChromiumCDMVideoDecoder() = default;
static uint32_t ToCDMH264Profile(uint8_t aProfile) {
switch (aProfile) {
case 66:
return cdm::VideoCodecProfile::kH264ProfileBaseline;
case 77:
return cdm::VideoCodecProfile::kH264ProfileMain;
case 88:
return cdm::VideoCodecProfile::kH264ProfileExtended;
case 100:
return cdm::VideoCodecProfile::kH264ProfileHigh;
case 110:
return cdm::VideoCodecProfile::kH264ProfileHigh10;
case 122:
return cdm::VideoCodecProfile::kH264ProfileHigh422;
case 144:
return cdm::VideoCodecProfile::kH264ProfileHigh444Predictive;
}
return cdm::VideoCodecProfile::kUnknownVideoCodecProfile;
}
RefPtr<MediaDataDecoder::InitPromise> ChromiumCDMVideoDecoder::Init() {
if (!mCDMParent) {
// Must have failed to get the CDMParent from the ChromiumCDMProxy
// in our constructor; the MediaKeys must have shut down the CDM
// before we had a chance to start up the decoder.
return InitPromise::CreateAndReject(NS_ERROR_DOM_MEDIA_FATAL_ERR, __func__);
}
gmp::CDMVideoDecoderConfig config;
if (MP4Decoder::IsH264(mConfig.mMimeType)) {
config.mCodec() = cdm::VideoCodec::kCodecH264;
config.mProfile() =
ToCDMH264Profile(mConfig.mExtraData->SafeElementAt(1, 0));
config.mExtraData() = mConfig.mExtraData->Clone();
mConvertToAnnexB = true;
} else if (VPXDecoder::IsVP8(mConfig.mMimeType)) {
config.mCodec() = cdm::VideoCodec::kCodecVp8;
config.mProfile() = cdm::VideoCodecProfile::kProfileNotNeeded;
} else if (VPXDecoder::IsVP9(mConfig.mMimeType)) {
config.mCodec() = cdm::VideoCodec::kCodecVp9;
config.mProfile() = cdm::VideoCodecProfile::kProfileNotNeeded;
} else {
return MediaDataDecoder::InitPromise::CreateAndReject(
NS_ERROR_DOM_MEDIA_FATAL_ERR, __func__);
}
config.mImageWidth() = mConfig.mImage.width;
config.mImageHeight() = mConfig.mImage.height;
config.mEncryptionScheme() = cdm::EncryptionScheme::kUnencrypted;
switch (mConfig.mCrypto.mCryptoScheme) {
case CryptoScheme::None:
break;
case CryptoScheme::Cenc:
config.mEncryptionScheme() = cdm::EncryptionScheme::kCenc;
break;
case CryptoScheme::Cbcs:
config.mEncryptionScheme() = cdm::EncryptionScheme::kCbcs;
break;
default:
MOZ_ASSERT_UNREACHABLE("Should not have unrecognized encryption type");
break;
}
RefPtr<gmp::ChromiumCDMParent> cdm = mCDMParent;
VideoInfo info = mConfig;
RefPtr<layers::ImageContainer> imageContainer = mImageContainer;
RefPtr<layers::KnowsCompositor> knowsCompositor = mKnowsCompositor;
return InvokeAsync(mGMPThread, __func__,
[cdm, config, info, imageContainer, knowsCompositor]() {
return cdm->InitializeVideoDecoder(
config, info, imageContainer, knowsCompositor);
});
}
nsCString ChromiumCDMVideoDecoder::GetDescriptionName() const {
return "chromium cdm video decoder"_ns;
}
nsCString ChromiumCDMVideoDecoder::GetCodecName() const {
if (MP4Decoder::IsH264(mConfig.mMimeType)) {
return "h264"_ns;
} else if (VPXDecoder::IsVP8(mConfig.mMimeType)) {
return "vp8"_ns;
} else if (VPXDecoder::IsVP9(mConfig.mMimeType)) {
return "vp9"_ns;
}
return "unknown"_ns;
}
MediaDataDecoder::ConversionRequired ChromiumCDMVideoDecoder::NeedsConversion()
const {
return mConvertToAnnexB ? ConversionRequired::kNeedAnnexB
: ConversionRequired::kNeedNone;
}
RefPtr<MediaDataDecoder::DecodePromise> ChromiumCDMVideoDecoder::Decode(
MediaRawData* aSample) {
RefPtr<gmp::ChromiumCDMParent> cdm = mCDMParent;
RefPtr<MediaRawData> sample = aSample;
return InvokeAsync(mGMPThread, __func__, [cdm, sample]() {
return cdm->DecryptAndDecodeFrame(sample);
});
}
RefPtr<MediaDataDecoder::FlushPromise> ChromiumCDMVideoDecoder::Flush() {
MOZ_ASSERT(mCDMParent);
RefPtr<gmp::ChromiumCDMParent> cdm = mCDMParent;
return InvokeAsync(mGMPThread, __func__,
[cdm]() { return cdm->FlushVideoDecoder(); });
}
RefPtr<MediaDataDecoder::DecodePromise> ChromiumCDMVideoDecoder::Drain() {
MOZ_ASSERT(mCDMParent);
RefPtr<gmp::ChromiumCDMParent> cdm = mCDMParent;
return InvokeAsync(mGMPThread, __func__, [cdm]() { return cdm->Drain(); });
}
RefPtr<ShutdownPromise> ChromiumCDMVideoDecoder::Shutdown() {
if (!mCDMParent) {
// Must have failed to get the CDMParent from the ChromiumCDMProxy
// in our constructor; the MediaKeys must have shut down the CDM
// before we had a chance to start up the decoder.
return ShutdownPromise::CreateAndResolve(true, __func__);
}
RefPtr<gmp::ChromiumCDMParent> cdm = mCDMParent;
return InvokeAsync(mGMPThread, __func__,
[cdm]() { return cdm->ShutdownVideoDecoder(); });
}
} // namespace mozilla
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