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// 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 "chromecast/media/cma/backend/media_pipeline_backend_wrapper.h"
#include "base/logging.h"
#include "chromecast/base/task_runner_impl.h"
#include "chromecast/media/cma/backend/media_pipeline_backend_manager.h"
namespace chromecast {
namespace media {
MediaPipelineBackendWrapper::MediaPipelineBackendWrapper(
MediaPipelineBackend* backend,
int stream_type,
float stream_type_volume)
: backend_(backend),
stream_type_(stream_type),
audio_decoder_wrapper_(nullptr),
stream_type_volume_(stream_type_volume),
is_initialized_(false) {
DCHECK(backend_);
}
MediaPipelineBackendWrapper::~MediaPipelineBackendWrapper() {
MediaPipelineBackendManager::OnMediaPipelineBackendDestroyed(this);
}
MediaPipelineBackend::AudioDecoder*
MediaPipelineBackendWrapper::CreateAudioDecoder() {
if (audio_decoder_wrapper_)
return nullptr;
audio_decoder_wrapper_.reset(
new AudioDecoderWrapper(backend_->CreateAudioDecoder()));
return audio_decoder_wrapper_.get();
}
MediaPipelineBackend::VideoDecoder*
MediaPipelineBackendWrapper::CreateVideoDecoder() {
return backend_->CreateVideoDecoder();
}
bool MediaPipelineBackendWrapper::Initialize() {
is_initialized_ = backend_->Initialize();
if (is_initialized_)
audio_decoder_wrapper_->SetStreamTypeVolume(stream_type_volume_);
return is_initialized_;
}
bool MediaPipelineBackendWrapper::Start(int64_t start_pts) {
return backend_->Start(start_pts);
}
bool MediaPipelineBackendWrapper::Stop() {
return backend_->Stop();
}
bool MediaPipelineBackendWrapper::Pause() {
return backend_->Pause();
}
bool MediaPipelineBackendWrapper::Resume() {
return backend_->Resume();
}
int64_t MediaPipelineBackendWrapper::GetCurrentPts() {
return backend_->GetCurrentPts();
}
bool MediaPipelineBackendWrapper::SetPlaybackRate(float rate) {
return backend_->SetPlaybackRate(rate);
}
int MediaPipelineBackendWrapper::GetStreamType() const {
return stream_type_;
}
void MediaPipelineBackendWrapper::SetStreamTypeVolume(
float stream_type_volume) {
stream_type_volume_ = stream_type_volume;
if (is_initialized_ && audio_decoder_wrapper_)
audio_decoder_wrapper_->SetStreamTypeVolume(stream_type_volume_);
}
} // namespace media
} // namespace chromecast
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