| // Copyright 2016 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_audio_decoder_service.h" |
| |
| #include "base/bind.h" |
| #include "base/bind_helpers.h" |
| #include "base/logging.h" |
| #include "media/base/cdm_context.h" |
| #include "media/base/media_keys.h" |
| #include "media/mojo/common/media_type_converters.h" |
| #include "media/mojo/services/mojo_cdm_service_context.h" |
| |
| namespace media { |
| |
| MojoAudioDecoderService::MojoAudioDecoderService( |
| base::WeakPtr<MojoCdmServiceContext> mojo_cdm_service_context, |
| scoped_ptr<media::AudioDecoder> decoder, |
| mojo::InterfaceRequest<interfaces::AudioDecoder> request) |
| : binding_(this, std::move(request)), |
| mojo_cdm_service_context_(mojo_cdm_service_context), |
| decoder_(std::move(decoder)), |
| weak_factory_(this) { |
| weak_this_ = weak_factory_.GetWeakPtr(); |
| } |
| |
| MojoAudioDecoderService::~MojoAudioDecoderService() {} |
| |
| void MojoAudioDecoderService::Initialize( |
| interfaces::AudioDecoderClientPtr client, |
| interfaces::AudioDecoderConfigPtr config, |
| int32_t cdm_id, |
| const InitializeCallback& callback) { |
| DVLOG(1) << __FUNCTION__ << " " |
| << config.To<media::AudioDecoderConfig>().AsHumanReadableString(); |
| |
| // Get CdmContext from cdm_id if the stream is encrypted. |
| CdmContext* cdm_context = nullptr; |
| scoped_refptr<MediaKeys> cdm; |
| if (config.To<media::AudioDecoderConfig>().is_encrypted()) { |
| if (!mojo_cdm_service_context_) { |
| DVLOG(1) << "CDM service context not available."; |
| callback.Run(false, false); |
| return; |
| } |
| |
| cdm = mojo_cdm_service_context_->GetCdm(cdm_id); |
| if (!cdm) { |
| DVLOG(1) << "CDM not found for CDM id: " << cdm_id; |
| callback.Run(false, false); |
| return; |
| } |
| |
| cdm_context = cdm->GetCdmContext(); |
| if (!cdm_context) { |
| DVLOG(1) << "CDM context not available for CDM id: " << cdm_id; |
| callback.Run(false, false); |
| return; |
| } |
| } |
| |
| client_ = std::move(client); |
| |
| decoder_->Initialize( |
| config.To<media::AudioDecoderConfig>(), cdm_context, |
| base::Bind(&MojoAudioDecoderService::OnInitialized, weak_this_, callback, |
| cdm), |
| base::Bind(&MojoAudioDecoderService::OnAudioBufferReady, weak_this_)); |
| } |
| |
| void MojoAudioDecoderService::SetDataSource( |
| mojo::ScopedDataPipeConsumerHandle receive_pipe) { |
| DVLOG(1) << __FUNCTION__; |
| consumer_handle_ = std::move(receive_pipe); |
| } |
| |
| void MojoAudioDecoderService::Decode(interfaces::DecoderBufferPtr buffer, |
| const DecodeCallback& callback) { |
| DVLOG(3) << __FUNCTION__; |
| decoder_->Decode(ReadDecoderBuffer(std::move(buffer)), |
| base::Bind(&MojoAudioDecoderService::OnDecodeStatus, |
| weak_this_, callback)); |
| } |
| |
| void MojoAudioDecoderService::Reset(const ResetCallback& callback) { |
| DVLOG(1) << __FUNCTION__; |
| decoder_->Reset( |
| base::Bind(&MojoAudioDecoderService::OnResetDone, weak_this_, callback)); |
| } |
| |
| void MojoAudioDecoderService::OnInitialized(const InitializeCallback& callback, |
| scoped_refptr<MediaKeys> cdm, |
| bool success) { |
| DVLOG(1) << __FUNCTION__ << " success:" << success; |
| |
| if (success) { |
| cdm_ = cdm; |
| callback.Run(success, decoder_->NeedsBitstreamConversion()); |
| } else { |
| // Do not call decoder_->NeedsBitstreamConversion() if init failed. |
| callback.Run(false, false); |
| } |
| } |
| |
| static interfaces::AudioDecoder::DecodeStatus ConvertDecodeStatus( |
| media::DecodeStatus status) { |
| switch (status) { |
| case media::DecodeStatus::OK: |
| return interfaces::AudioDecoder::DecodeStatus::OK; |
| case media::DecodeStatus::ABORTED: |
| return interfaces::AudioDecoder::DecodeStatus::ABORTED; |
| case media::DecodeStatus::DECODE_ERROR: |
| return interfaces::AudioDecoder::DecodeStatus::DECODE_ERROR; |
| } |
| NOTREACHED(); |
| return interfaces::AudioDecoder::DecodeStatus::DECODE_ERROR; |
| } |
| |
| void MojoAudioDecoderService::OnDecodeStatus(const DecodeCallback& callback, |
| media::DecodeStatus status) { |
| DVLOG(3) << __FUNCTION__ << " status:" << status; |
| callback.Run(ConvertDecodeStatus(status)); |
| } |
| |
| void MojoAudioDecoderService::OnResetDone(const ResetCallback& callback) { |
| DVLOG(1) << __FUNCTION__; |
| callback.Run(); |
| } |
| |
| void MojoAudioDecoderService::OnAudioBufferReady( |
| const scoped_refptr<AudioBuffer>& audio_buffer) { |
| DVLOG(1) << __FUNCTION__; |
| |
| // TODO(timav): Use DataPipe. |
| client_->OnBufferDecoded(interfaces::AudioBuffer::From(audio_buffer)); |
| } |
| |
| scoped_refptr<DecoderBuffer> MojoAudioDecoderService::ReadDecoderBuffer( |
| interfaces::DecoderBufferPtr buffer) { |
| scoped_refptr<DecoderBuffer> media_buffer( |
| buffer.To<scoped_refptr<DecoderBuffer>>()); |
| |
| if (media_buffer->end_of_stream()) |
| return media_buffer; |
| |
| // Wait for the data to become available in the DataPipe. |
| MojoHandleSignalsState state; |
| CHECK_EQ(MOJO_RESULT_OK, |
| MojoWait(consumer_handle_.get().value(), MOJO_HANDLE_SIGNAL_READABLE, |
| MOJO_DEADLINE_INDEFINITE, &state)); |
| CHECK_EQ(MOJO_HANDLE_SIGNAL_READABLE, state.satisfied_signals); |
| |
| // Read the inner data for the DecoderBuffer from our DataPipe. |
| uint32_t bytes_to_read = |
| base::checked_cast<uint32_t>(media_buffer->data_size()); |
| DCHECK_GT(bytes_to_read, 0u); |
| uint32_t bytes_read = bytes_to_read; |
| CHECK_EQ(ReadDataRaw(consumer_handle_.get(), media_buffer->writable_data(), |
| &bytes_read, MOJO_READ_DATA_FLAG_ALL_OR_NONE), |
| MOJO_RESULT_OK); |
| CHECK_EQ(bytes_to_read, bytes_read); |
| |
| return media_buffer; |
| } |
| |
| } // namespace media |