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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* The Opus specification is part of IETF RFC 6716:
* http://tools.ietf.org/html/rfc6716
*/
#ifndef SOFT_OPUS_H_
#define SOFT_OPUS_H_
#include "SimpleSoftOMXComponent.h"
struct OpusMSDecoder;
namespace android {
struct OpusHeader {
int channels;
int skip_samples;
int channel_mapping;
int num_streams;
int num_coupled;
int16_t gain_db;
uint8_t stream_map[8];
};
struct SoftOpus : public SimpleSoftOMXComponent {
SoftOpus(const char *name,
const OMX_CALLBACKTYPE *callbacks,
OMX_PTR appData,
OMX_COMPONENTTYPE **component);
protected:
virtual ~SoftOpus();
virtual OMX_ERRORTYPE internalGetParameter(
OMX_INDEXTYPE index, OMX_PTR params);
virtual OMX_ERRORTYPE internalSetParameter(
OMX_INDEXTYPE index, const OMX_PTR params);
virtual void onQueueFilled(OMX_U32 portIndex);
virtual void onPortFlushCompleted(OMX_U32 portIndex);
virtual void onPortEnableCompleted(OMX_U32 portIndex, bool enabled);
virtual void onReset();
private:
enum {
kNumBuffers = 4,
kMaxNumSamplesPerBuffer = 960 * 6
};
size_t mInputBufferCount;
OpusMSDecoder *mDecoder;
OpusHeader *mHeader;
int64_t mCodecDelay;
int64_t mSeekPreRoll;
int64_t mSamplesToDiscard;
int64_t mAnchorTimeUs;
int64_t mNumFramesOutput;
enum {
NONE,
AWAITING_DISABLED,
AWAITING_ENABLED
} mOutputPortSettingsChange;
void initPorts();
status_t initDecoder();
bool isConfigured() const;
DISALLOW_EVIL_CONSTRUCTORS(SoftOpus);
};
} // namespace android
#endif // SOFT_OPUS_H_
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