You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
93 lines
2.7 KiB
93 lines
2.7 KiB
4 months ago
|
/*
|
||
|
* 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;
|
||
|
uint64_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_
|