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整理代码

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蒲爽 2026-09-28 21:33:04 +08:00
commit c7b4e178ec
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86
video/libopus/AudioEncoder.cpp Normal file
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/*
*******************************************************************************
* INCLUDE
*******************************************************************************
*/
#include "AudioEncoder.h"
#include "Logger.h"
namespace Video
{
namespace LibOPUS
{
/*
*******************************************************************************
* CLASS DEFINE
*******************************************************************************
*/
AudioEncoder::AudioEncoder(Core::CodecID codecID)
: Core::AudioEncoder(Poco::format("LibOPUS::AudioEncoder(%s)", Core::codecIDToString(codecID)), codecID),
_pEncoder(nullptr)
{
}
AudioEncoder::~AudioEncoder()
{
}
void AudioEncoder::initialize()
{
setSampleRate(48000);
setFrameSize(960);
setSampleFormat(Core::SampleFormat::S16);
int channels = Core::channelLayoutChannels(getChannelLayout());
int err;
_pEncoder = opus_encoder_create(getSampleRate(), channels, OPUS_APPLICATION_AUDIO, &err);
if (err != OPUS_OK)
throw Poco::InvalidAccessException(
Poco::format("%s: Create encoder FAIL: %d(%s)", name(), err, std::string(opus_strerror(err))), err);
opus_encoder_ctl(_pEncoder, OPUS_SET_BITRATE(getBitrate()));
opus_encoder_ctl(_pEncoder, OPUS_SET_BANDWIDTH(OPUS_BANDWIDTH_FULLBAND));
opus_encoder_ctl(_pEncoder, OPUS_SET_SIGNAL(OPUS_SIGNAL_MUSIC));
opus_encoder_ctl(_pEncoder, OPUS_SET_VBR(1));
opus_encoder_ctl(_pEncoder, OPUS_SET_LSB_DEPTH(Core::sampleFormatBitWidth(getSampleFormat())));
opus_encoder_ctl(_pEncoder, OPUS_SET_DTX(0));
opus_encoder_ctl(_pEncoder, OPUS_SET_COMPLEXITY(1));
}
void AudioEncoder::deinitialize()
{
if (_pEncoder)
{
opus_encoder_destroy(_pEncoder);
_pEncoder = nullptr;
}
}
#define PACKET_MAX_LEN 8192
Core::Packet::Ptr AudioEncoder::encode()
{
if (!_pEncoder)
return nullptr;
auto pIn = readFrame();
if (pIn.isNull())
return nullptr;
uint8_t* pBuffer = new uint8_t[PACKET_MAX_LEN];
int32_t len = opus_encode(_pEncoder, (int16_t*)pIn->data[0].get(), getFrameSize(), pBuffer, PACKET_MAX_LEN);
if (len < 0 || len > PACKET_MAX_LEN)
{
delete[] pBuffer;
logger().error("%s: Encode FAIL: %d(%s)", name(), len, std::string(opus_strerror(len)));
return nullptr;
}
return new Core::Packet(serialCodeManager().code(), 0, pBuffer, len, pIn->timestamp, pIn->timestamp);
}
void AudioEncoder::onConfigChanged(ParameterNames& names)
{
Core::AudioEncoder::onConfigChanged(names);
}
}
}