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// 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 "chromecast/media/cma/pipeline/audio_decoder_software_wrapper.h"
#include "base/bind.h"
#include "base/logging.h"
#include "base/thread_task_runner_handle.h"
#include "chromecast/media/cma/base/decoder_buffer_base.h"
namespace chromecast {
namespace media {
AudioDecoderSoftwareWrapper::AudioDecoderSoftwareWrapper(
MediaPipelineBackend::AudioDecoder* backend_decoder)
: backend_decoder_(backend_decoder),
delegate_(nullptr),
weak_factory_(this) {
DCHECK(backend_decoder_);
backend_decoder_->SetDelegate(this);
}
AudioDecoderSoftwareWrapper::~AudioDecoderSoftwareWrapper() {}
void AudioDecoderSoftwareWrapper::SetDelegate(DecoderDelegate* delegate) {
DCHECK(delegate);
delegate_ = delegate;
}
MediaPipelineBackend::BufferStatus AudioDecoderSoftwareWrapper::PushBuffer(
CastDecoderBuffer* buffer) {
DCHECK(buffer);
if (!software_decoder_)
return backend_decoder_->PushBuffer(buffer);
DecoderBufferBase* buffer_base = static_cast<DecoderBufferBase*>(buffer);
if (!software_decoder_->Decode(
make_scoped_refptr(buffer_base),
base::Bind(&AudioDecoderSoftwareWrapper::OnDecodedBuffer,
weak_factory_.GetWeakPtr()))) {
return MediaPipelineBackend::kBufferFailed;
}
return MediaPipelineBackend::kBufferPending;
}
void AudioDecoderSoftwareWrapper::GetStatistics(Statistics* statistics) {
DCHECK(statistics);
return backend_decoder_->GetStatistics(statistics);
}
bool AudioDecoderSoftwareWrapper::SetConfig(const AudioConfig& config) {
DCHECK(delegate_);
DCHECK(IsValidConfig(config));
if (backend_decoder_->SetConfig(config)) {
software_decoder_.reset();
output_config_ = config;
return true;
}
if (config.is_encrypted || !CreateSoftwareDecoder(config))
return false;
output_config_.codec = media::kCodecPCM;
output_config_.sample_format = media::kSampleFormatS16;
output_config_.channel_number = 2;
output_config_.bytes_per_channel = 2;
output_config_.samples_per_second = config.samples_per_second;
output_config_.is_encrypted = false;
return backend_decoder_->SetConfig(output_config_);
}
bool AudioDecoderSoftwareWrapper::SetVolume(float multiplier) {
return backend_decoder_->SetVolume(multiplier);
}
AudioDecoderSoftwareWrapper::RenderingDelay
AudioDecoderSoftwareWrapper::GetRenderingDelay() {
return backend_decoder_->GetRenderingDelay();
}
bool AudioDecoderSoftwareWrapper::CreateSoftwareDecoder(
const AudioConfig& config) {
// TODO(kmackay) Consider using planar float instead.
software_decoder_ = media::CastAudioDecoder::Create(
base::ThreadTaskRunnerHandle::Get(), config,
media::CastAudioDecoder::kOutputSigned16,
base::Bind(&AudioDecoderSoftwareWrapper::OnDecoderInitialized,
weak_factory_.GetWeakPtr()));
return (software_decoder_.get() != nullptr);
}
void AudioDecoderSoftwareWrapper::OnDecoderInitialized(bool success) {
if (!success) {
LOG(ERROR) << "Failed to initialize software decoder";
delegate_->OnDecoderError();
}
}
void AudioDecoderSoftwareWrapper::OnDecodedBuffer(
CastAudioDecoder::Status status,
const scoped_refptr<DecoderBufferBase>& decoded) {
if (status != CastAudioDecoder::kDecodeOk) {
delegate_->OnPushBufferComplete(MediaPipelineBackend::kBufferFailed);
return;
}
pending_pushed_buffer_ = decoded;
MediaPipelineBackend::BufferStatus buffer_status =
backend_decoder_->PushBuffer(pending_pushed_buffer_.get());
if (buffer_status != MediaPipelineBackend::kBufferPending)
delegate_->OnPushBufferComplete(buffer_status);
}
void AudioDecoderSoftwareWrapper::OnPushBufferComplete(
MediaPipelineBackend::BufferStatus status) {
DCHECK(delegate_);
delegate_->OnPushBufferComplete(status);
}
void AudioDecoderSoftwareWrapper::OnEndOfStream() {
DCHECK(delegate_);
delegate_->OnEndOfStream();
}
void AudioDecoderSoftwareWrapper::OnDecoderError() {
DCHECK(delegate_);
delegate_->OnDecoderError();
}
void AudioDecoderSoftwareWrapper::OnKeyStatusChanged(const std::string& key_id,
CastKeyStatus key_status,
uint32_t system_code) {
DCHECK(delegate_);
delegate_->OnKeyStatusChanged(key_id, key_status, system_code);
}
void AudioDecoderSoftwareWrapper::OnVideoResolutionChanged(const Size& size) {
NOTREACHED();
}
} // namespace media
} // namespace chromecast
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