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/*
* Copyright (C) 2019 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.
*/
#ifndef ANDROID_C2_SOFT_OPUS_ENC_H_
#define ANDROID_C2_SOFT_OPUS_ENC_H_
#include <atomic>
#include <SimpleC2Component.h>
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
struct OpusMSEncoder;
namespace android {
struct C2SoftOpusEnc : public SimpleC2Component {
class IntfImpl;
C2SoftOpusEnc(const char *name, c2_node_id_t id,
const std::shared_ptr<IntfImpl> &intfImpl);
virtual ~C2SoftOpusEnc();
// From SimpleC2Component
c2_status_t onInit() override;
c2_status_t onStop() override;
void onReset() override;
void onRelease() override;
c2_status_t onFlush_sm() override;
void process(
const std::unique_ptr<C2Work> &work,
const std::shared_ptr<C2BlockPool> &pool) override;
c2_status_t drain(
uint32_t drainMode,
const std::shared_ptr<C2BlockPool> &pool) override;
private:
/* OPUS_FRAMESIZE_20_MS */
const int kFrameSize = 960;
const int kMaxSampleRate = 48000;
const int kMinSampleRate = 8000;
const int kMaxPayload = (4000 * kMaxSampleRate) / kMinSampleRate;
const int kMaxNumChannels = 8;
std::shared_ptr<IntfImpl> mIntf;
std::shared_ptr<C2LinearBlock> mOutputBlock;
OpusMSEncoder* mEncoder;
int16_t* mInputBufferPcm16;
bool mHeaderGenerated;
bool mIsFirstFrame;
bool mEncoderFlushed;
bool mBufferAvailable;
bool mSignalledEos;
bool mSignalledError;
uint32_t mSampleRate;
uint32_t mChannelCount;
uint32_t mFrameDurationMs;
int64_t mAnchorTimeStamp;
uint64_t mProcessedSamples;
// Codec delay in ns
uint64_t mCodecDelay;
// Seek pre-roll in ns
uint64_t mSeekPreRoll;
int mNumSamplesPerFrame;
int mBytesEncoded;
int32_t mFilledLen;
size_t mNumPcmBytesPerInputFrame;
std::atomic_uint64_t mOutIndex;
c2_status_t initEncoder();
c2_status_t configureEncoder();
int drainEncoder(uint8_t* outPtr);
c2_status_t drainInternal(const std::shared_ptr<C2BlockPool>& pool,
const std::unique_ptr<C2Work>& work);
C2_DO_NOT_COPY(C2SoftOpusEnc);
};
} // namespace android
#endif // ANDROID_C2_SOFT_OPUS_ENC_H_