blob: 9bc293dd2f8f614eee99d1032482b490dffa9144 [file] [log] [blame]
// Copyright 2013 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 <jni.h>
#include <vector>
#include "base/callback.h"
#include "media/base/android/media_decoder_job.h"
namespace media {
class AudioCodecBridge;
class AudioTimestampHelper;
// Class for managing audio decoding jobs.
class AudioDecoderJob : public MediaDecoderJob {
// Creates a new AudioDecoderJob instance for decoding audio.
// |request_data_cb| - Callback used to request more data for the decoder.
// |on_demuxer_config_changed_cb| - Callback used to inform the caller that
// demuxer config has changed.
AudioDecoderJob(const base::Closure& request_data_cb,
const base::Closure& on_demuxer_config_changed_cb);
virtual ~AudioDecoderJob();
// MediaDecoderJob implementation.
virtual bool HasStream() const override;
virtual void SetDemuxerConfigs(const DemuxerConfigs& configs) override;
// Sets the volume of the audio output.
void SetVolume(double volume);
// Sets the base timestamp for |audio_timestamp_helper_|.
void SetBaseTimestamp(base::TimeDelta base_timestamp);
// MediaDecoderJob implementation.
virtual void ReleaseOutputBuffer(
int output_buffer_index,
size_t size,
bool render_output,
base::TimeDelta current_presentation_timestamp,
const ReleaseOutputCompletionCallback& callback) override;
virtual bool ComputeTimeToRender() const override;
virtual bool AreDemuxerConfigsChanged(
const DemuxerConfigs& configs) const override;
virtual bool CreateMediaCodecBridgeInternal() override;
// Helper method to set the audio output volume.
void SetVolumeInternal();
// Audio configs from the demuxer.
AudioCodec audio_codec_;
int num_channels_;
int sampling_rate_;
std::vector<uint8> audio_extra_data_;
double volume_;
int bytes_per_frame_;
// Base timestamp for the |audio_timestamp_helper_|.
base::TimeDelta base_timestamp_;
// Object to calculate the current audio timestamp for A/V sync.
scoped_ptr<AudioTimestampHelper> audio_timestamp_helper_;
} // namespace media