| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "media/mojo/services/mojo_decryptor_service.h" |
| |
| #include <utility> |
| |
| #include "base/bind.h" |
| #include "base/numerics/safe_conversions.h" |
| #include "media/base/audio_decoder_config.h" |
| #include "media/base/cdm_context.h" |
| #include "media/base/content_decryption_module.h" |
| #include "media/base/decoder_buffer.h" |
| #include "media/base/decryptor.h" |
| #include "media/base/video_decoder_config.h" |
| #include "media/base/video_frame.h" |
| #include "media/mojo/common/media_type_converters.h" |
| #include "media/mojo/common/mojo_decoder_buffer_converter.h" |
| #include "media/mojo/common/mojo_shared_buffer_video_frame.h" |
| #include "media/mojo/interfaces/demuxer_stream.mojom.h" |
| |
| namespace media { |
| |
| MojoDecryptorService::MojoDecryptorService( |
| const scoped_refptr<ContentDecryptionModule>& cdm, |
| mojo::InterfaceRequest<mojom::Decryptor> request, |
| const base::Closure& error_handler) |
| : binding_(this, std::move(request)), cdm_(cdm), weak_factory_(this) { |
| DVLOG(1) << __func__; |
| decryptor_ = cdm->GetCdmContext()->GetDecryptor(); |
| DCHECK(decryptor_); |
| weak_this_ = weak_factory_.GetWeakPtr(); |
| binding_.set_connection_error_handler(error_handler); |
| } |
| |
| MojoDecryptorService::~MojoDecryptorService() {} |
| |
| void MojoDecryptorService::Initialize( |
| mojo::ScopedDataPipeConsumerHandle receive_pipe, |
| mojo::ScopedDataPipeProducerHandle transmit_pipe) { |
| mojo_decoder_buffer_writer_.reset( |
| new MojoDecoderBufferWriter(std::move(transmit_pipe))); |
| mojo_decoder_buffer_reader_.reset( |
| new MojoDecoderBufferReader(std::move(receive_pipe))); |
| } |
| |
| void MojoDecryptorService::Decrypt(StreamType stream_type, |
| mojom::DecoderBufferPtr encrypted, |
| const DecryptCallback& callback) { |
| DVLOG(3) << __func__; |
| mojo_decoder_buffer_reader_->ReadDecoderBuffer( |
| std::move(encrypted), base::BindOnce(&MojoDecryptorService::OnReadDone, |
| weak_this_, stream_type, callback)); |
| } |
| |
| void MojoDecryptorService::CancelDecrypt(StreamType stream_type) { |
| DVLOG(1) << __func__; |
| decryptor_->CancelDecrypt(stream_type); |
| } |
| |
| void MojoDecryptorService::InitializeAudioDecoder( |
| mojom::AudioDecoderConfigPtr config, |
| const InitializeAudioDecoderCallback& callback) { |
| DVLOG(1) << __func__; |
| decryptor_->InitializeAudioDecoder( |
| config.To<AudioDecoderConfig>(), |
| base::Bind(&MojoDecryptorService::OnAudioDecoderInitialized, weak_this_, |
| callback)); |
| } |
| |
| void MojoDecryptorService::InitializeVideoDecoder( |
| mojom::VideoDecoderConfigPtr config, |
| const InitializeVideoDecoderCallback& callback) { |
| DVLOG(1) << __func__; |
| decryptor_->InitializeVideoDecoder( |
| config.To<VideoDecoderConfig>(), |
| base::Bind(&MojoDecryptorService::OnVideoDecoderInitialized, weak_this_, |
| callback)); |
| } |
| |
| void MojoDecryptorService::DecryptAndDecodeAudio( |
| mojom::DecoderBufferPtr encrypted, |
| const DecryptAndDecodeAudioCallback& callback) { |
| DVLOG(3) << __func__; |
| mojo_decoder_buffer_reader_->ReadDecoderBuffer( |
| std::move(encrypted), |
| base::BindOnce(&MojoDecryptorService::OnAudioRead, weak_this_, callback)); |
| } |
| |
| void MojoDecryptorService::DecryptAndDecodeVideo( |
| mojom::DecoderBufferPtr encrypted, |
| const DecryptAndDecodeVideoCallback& callback) { |
| DVLOG(3) << __func__; |
| mojo_decoder_buffer_reader_->ReadDecoderBuffer( |
| std::move(encrypted), |
| base::BindOnce(&MojoDecryptorService::OnVideoRead, weak_this_, callback)); |
| } |
| |
| void MojoDecryptorService::ResetDecoder(StreamType stream_type) { |
| DVLOG(1) << __func__; |
| decryptor_->ResetDecoder(stream_type); |
| } |
| |
| void MojoDecryptorService::DeinitializeDecoder(StreamType stream_type) { |
| DVLOG(1) << __func__; |
| decryptor_->DeinitializeDecoder(stream_type); |
| } |
| |
| void MojoDecryptorService::ReleaseSharedBuffer( |
| mojo::ScopedSharedBufferHandle buffer, |
| uint64_t buffer_size) { |
| in_use_video_frames_.erase(buffer.get().value()); |
| } |
| |
| void MojoDecryptorService::OnReadDone(StreamType stream_type, |
| const DecryptCallback& callback, |
| scoped_refptr<DecoderBuffer> buffer) { |
| if (!buffer) { |
| callback.Run(Status::kError, nullptr); |
| return; |
| } |
| |
| decryptor_->Decrypt( |
| stream_type, std::move(buffer), |
| base::Bind(&MojoDecryptorService::OnDecryptDone, weak_this_, callback)); |
| } |
| |
| void MojoDecryptorService::OnDecryptDone( |
| const DecryptCallback& callback, |
| Status status, |
| const scoped_refptr<DecoderBuffer>& buffer) { |
| DVLOG_IF(1, status != Status::kSuccess) << __func__ << "(" << status << ")"; |
| DVLOG_IF(3, status == Status::kSuccess) << __func__; |
| |
| if (!buffer) { |
| DCHECK_NE(status, Status::kSuccess); |
| callback.Run(status, nullptr); |
| return; |
| } |
| |
| mojom::DecoderBufferPtr mojo_buffer = |
| mojo_decoder_buffer_writer_->WriteDecoderBuffer(buffer); |
| if (!mojo_buffer) { |
| callback.Run(Status::kError, nullptr); |
| return; |
| } |
| |
| callback.Run(status, std::move(mojo_buffer)); |
| } |
| |
| void MojoDecryptorService::OnAudioDecoderInitialized( |
| const InitializeAudioDecoderCallback& callback, |
| bool success) { |
| DVLOG(1) << __func__ << "(" << success << ")"; |
| callback.Run(success); |
| } |
| |
| void MojoDecryptorService::OnVideoDecoderInitialized( |
| const InitializeVideoDecoderCallback& callback, |
| bool success) { |
| DVLOG(1) << __func__ << "(" << success << ")"; |
| callback.Run(success); |
| } |
| |
| void MojoDecryptorService::OnAudioRead( |
| const DecryptAndDecodeAudioCallback& callback, |
| scoped_refptr<DecoderBuffer> buffer) { |
| if (!buffer) { |
| callback.Run(Status::kError, std::vector<mojom::AudioBufferPtr>()); |
| return; |
| } |
| |
| decryptor_->DecryptAndDecodeAudio( |
| std::move(buffer), |
| base::Bind(&MojoDecryptorService::OnAudioDecoded, weak_this_, callback)); |
| } |
| |
| void MojoDecryptorService::OnVideoRead( |
| const DecryptAndDecodeVideoCallback& callback, |
| scoped_refptr<DecoderBuffer> buffer) { |
| if (!buffer) { |
| callback.Run(Status::kError, nullptr); |
| return; |
| } |
| |
| decryptor_->DecryptAndDecodeVideo( |
| std::move(buffer), |
| base::Bind(&MojoDecryptorService::OnVideoDecoded, weak_this_, callback)); |
| } |
| |
| void MojoDecryptorService::OnAudioDecoded( |
| const DecryptAndDecodeAudioCallback& callback, |
| Status status, |
| const media::Decryptor::AudioFrames& frames) { |
| DVLOG_IF(1, status != Status::kSuccess) << __func__ << "(" << status << ")"; |
| DVLOG_IF(3, status == Status::kSuccess) << __func__; |
| |
| std::vector<mojom::AudioBufferPtr> audio_buffers; |
| for (const auto& frame : frames) |
| audio_buffers.push_back(mojom::AudioBuffer::From(frame)); |
| |
| callback.Run(status, std::move(audio_buffers)); |
| } |
| |
| void MojoDecryptorService::OnVideoDecoded( |
| const DecryptAndDecodeVideoCallback& callback, |
| Status status, |
| const scoped_refptr<VideoFrame>& frame) { |
| DVLOG_IF(1, status != Status::kSuccess) << __func__ << "(" << status << ")"; |
| DVLOG_IF(3, status == Status::kSuccess) << __func__; |
| |
| if (!frame) { |
| DCHECK_NE(status, Status::kSuccess); |
| callback.Run(status, nullptr); |
| return; |
| } |
| |
| // If |frame| has shared memory that will be passed back, keep a reference |
| // to it until the other side is done with the memory. |
| if (frame->storage_type() == VideoFrame::STORAGE_MOJO_SHARED_BUFFER) { |
| MojoSharedBufferVideoFrame* mojo_frame = |
| static_cast<MojoSharedBufferVideoFrame*>(frame.get()); |
| in_use_video_frames_.insert( |
| std::make_pair(mojo_frame->Handle().value(), frame)); |
| } |
| |
| callback.Run(status, mojom::VideoFrame::From(frame)); |
| } |
| |
| } // namespace media |