bool CActiveAEBufferPoolResample::ResampleBuffers(unsigned int timestamp)
{
bool busy = false;
CSampleBuffer *in;
if (!m_resampler)
{
if (m_changeResampler)
{
ChangeResampler();
return true;
}
while(!m_inputSamples.empty())
{
in = m_inputSamples.front();
m_inputSamples.pop_front();
in->timestamp = timestamp;
m_outputSamples.push_back(in);
busy = true;
}
}
else if (m_procSample || !m_freeSamples.empty())
{
// GetBufferedSamples is not accurate because of rounding errors
int out_samples = m_resampler->GetBufferedSamples();
int free_samples;
if (m_procSample)
free_samples = m_procSample->pkt->max_nb_samples - m_procSample->pkt->nb_samples;
else
free_samples = m_format.m_frames;
bool skipInput = false;
// avoid that ffmpeg resample buffer grows too large
if (out_samples > free_samples * 2 && !m_empty)
skipInput = true;
bool hasInput = !m_inputSamples.empty();
if (hasInput || skipInput || m_drain || m_changeResampler)
{
if (!m_procSample)
{
m_procSample = GetFreeBuffer();
}
if (hasInput && !skipInput && !m_changeResampler)
{
in = m_inputSamples.front();
m_inputSamples.pop_front();
}
else
in = NULL;
int start = m_procSample->pkt->nb_samples *
m_procSample->pkt->bytes_per_sample *
m_procSample->pkt->config.channels /
m_procSample->pkt->planes;
for(int i=0; i<m_procSample->pkt->planes; i++)
{
m_planes[i] = m_procSample->pkt->data[i] + start;
}
out_samples = m_resampler->Resample(m_planes,
m_procSample->pkt->max_nb_samples - m_procSample->pkt->nb_samples,
in ? in->pkt->data : NULL,
in ? in->pkt->nb_samples : 0,
m_resampleRatio);
m_procSample->pkt->nb_samples += out_samples;
busy = true;
m_empty = (out_samples == 0);
if ((m_drain || m_changeResampler) && m_empty)
{
if (m_fillPackets && m_procSample->pkt->nb_samples != 0)
{
// pad with zero
start = m_procSample->pkt->nb_samples *
m_procSample->pkt->bytes_per_sample *
m_procSample->pkt->config.channels /
m_procSample->pkt->planes;
for(int i=0; i<m_procSample->pkt->planes; i++)
{
memset(m_procSample->pkt->data[i]+start, 0, m_procSample->pkt->linesize-start);
}
}
m_procSample->timestamp = timestamp;
// check if draining is finished
if (m_drain && m_procSample->pkt->nb_samples == 0)
{
m_procSample->Return();
busy = false;
}
else
m_outputSamples.push_back(m_procSample);
m_procSample = NULL;
if (m_changeResampler)
ChangeResampler();
}
// some methods like encode require completely filled packets
else if (!m_fillPackets || (m_procSample->pkt->nb_samples == m_procSample->pkt->max_nb_samples))
{
m_procSample->timestamp = timestamp;
m_outputSamples.push_back(m_procSample);
m_procSample = NULL;
}
if (in)
in->Return();
}
}
return busy;
}
bool CActiveAEBufferPoolResample::ResampleBuffers(int64_t timestamp)
{
bool busy = false;
CSampleBuffer *in;
if (!m_resampler)
{
if (m_changeDSP || m_changeResampler)
{
if (m_changeDSP)
ChangeAudioDSP();
if (m_changeResampler)
ChangeResampler();
return true;
}
while(!m_inputSamples.empty())
{
in = m_inputSamples.front();
m_inputSamples.pop_front();
if (timestamp)
{
in->timestamp = timestamp;
}
m_outputSamples.push_back(in);
busy = true;
}
}
else if (m_procSample || !m_freeSamples.empty())
{
int free_samples;
if (m_procSample)
free_samples = m_procSample->pkt->max_nb_samples - m_procSample->pkt->nb_samples;
else
free_samples = m_format.m_frames;
bool skipInput = false;
// avoid that ffmpeg resample buffer grows too large
if (!m_resampler->WantsNewSamples(free_samples) && !m_empty)
skipInput = true;
bool hasInput = !m_inputSamples.empty();
if (hasInput || skipInput || m_drain || m_changeResampler || m_changeDSP)
{
if (!m_procSample)
{
m_procSample = GetFreeBuffer();
}
if (hasInput && !skipInput && !m_changeResampler && !m_changeDSP)
{
in = m_inputSamples.front();
m_inputSamples.pop_front();
}
else
in = NULL;
/*
* DSP need always a available input packet! To pass it step by step
* over all enabled addons and processing segments.
*/
if (m_useDSP && in)
{
if (!m_dspSample)
m_dspSample = m_dspBuffer->GetFreeBuffer();
if (m_dspSample && m_processor->Process(in, m_dspSample))
{
m_dspSample->timestamp = in->timestamp;
in->Return();
in = m_dspSample;
m_dspSample = NULL;
}
else
{
in->Return();
in = NULL;
}
}
int start = m_procSample->pkt->nb_samples *
m_procSample->pkt->bytes_per_sample *
m_procSample->pkt->config.channels /
m_procSample->pkt->planes;
for(int i=0; i<m_procSample->pkt->planes; i++)
{
m_planes[i] = m_procSample->pkt->data[i] + start;
}
int out_samples = m_resampler->Resample(m_planes,
m_procSample->pkt->max_nb_samples - m_procSample->pkt->nb_samples,
in ? in->pkt->data : NULL,
in ? in->pkt->nb_samples : 0,
m_resampleRatio);
// in case of error, trigger re-create of resampler
if (out_samples < 0)
{
out_samples = 0;
m_changeResampler = true;
}
m_procSample->pkt->nb_samples += out_samples;
busy = true;
m_empty = (out_samples == 0);
if (in)
{
if (!timestamp)
{
if (in->timestamp)
m_lastSamplePts = in->timestamp;
else
in->pkt_start_offset = 0;
}
else
{
m_lastSamplePts = timestamp;
in->pkt_start_offset = 0;
}
// pts of last sample we added to the buffer
m_lastSamplePts += (in->pkt->nb_samples-in->pkt_start_offset) * 1000 / m_format.m_sampleRate;
}
// calculate pts for last sample in m_procSample
int bufferedSamples = m_resampler->GetBufferedSamples();
m_procSample->pkt_start_offset = m_procSample->pkt->nb_samples;
m_procSample->timestamp = m_lastSamplePts - bufferedSamples * 1000 / m_format.m_sampleRate;
if ((m_drain || m_changeResampler || m_changeDSP) && m_empty)
{
if (m_fillPackets && m_procSample->pkt->nb_samples != 0)
{
// pad with zero
start = m_procSample->pkt->nb_samples *
m_procSample->pkt->bytes_per_sample *
m_procSample->pkt->config.channels /
m_procSample->pkt->planes;
for(int i=0; i<m_procSample->pkt->planes; i++)
{
memset(m_procSample->pkt->data[i]+start, 0, m_procSample->pkt->linesize-start);
}
}
// check if draining is finished
if (m_drain && m_procSample->pkt->nb_samples == 0)
{
m_procSample->Return();
busy = false;
}
else
m_outputSamples.push_back(m_procSample);
m_procSample = NULL;
if (m_changeDSP)
ChangeAudioDSP();
if (m_changeResampler)
ChangeResampler();
}
// some methods like encode require completely filled packets
else if (!m_fillPackets || (m_procSample->pkt->nb_samples == m_procSample->pkt->max_nb_samples))
{
m_outputSamples.push_back(m_procSample);
m_procSample = NULL;
}
if (in)
in->Return();
}
}
return busy;
}
bool CActiveAEBufferPoolAtempo::ProcessBuffers()
{
bool busy = false;
CSampleBuffer *in;
if (!m_pTempoFilter->IsActive())
{
if (m_changeFilter)
{
if (m_changeFilter)
ChangeFilter();
return true;
}
while(!m_inputSamples.empty())
{
in = m_inputSamples.front();
m_inputSamples.pop_front();
m_outputSamples.push_back(in);
busy = true;
}
}
else if (m_procSample || !m_freeSamples.empty())
{
int free_samples;
if (m_procSample)
free_samples = m_procSample->pkt->max_nb_samples - m_procSample->pkt->nb_samples;
else
free_samples = m_format.m_frames;
bool skipInput = false;
// avoid that bufferscr grows too large
if (!m_pTempoFilter->NeedData())
skipInput = true;
bool hasInput = !m_inputSamples.empty();
if (hasInput || skipInput || m_drain || m_changeFilter)
{
if (!m_procSample)
{
m_procSample = GetFreeBuffer();
}
if (hasInput && !skipInput && !m_changeFilter)
{
in = m_inputSamples.front();
m_inputSamples.pop_front();
}
else
in = nullptr;
int start = m_procSample->pkt->nb_samples *
m_procSample->pkt->bytes_per_sample *
m_procSample->pkt->config.channels /
m_procSample->pkt->planes;
for (int i=0; i<m_procSample->pkt->planes; i++)
{
m_planes[i] = m_procSample->pkt->data[i] + start;
}
int out_samples = m_pTempoFilter->ProcessFilter(m_planes,
m_procSample->pkt->max_nb_samples - m_procSample->pkt->nb_samples,
in ? in->pkt->data : nullptr,
in ? in->pkt->nb_samples : 0,
in ? in->pkt->linesize * in->pkt->planes : 0);
// in case of error, trigger re-create of filter
if (out_samples < 0)
{
out_samples = 0;
m_changeFilter = true;
}
m_procSample->pkt->nb_samples += out_samples;
busy = true;
m_empty = m_pTempoFilter->IsEof();
if (in)
{
if (in->timestamp)
m_lastSamplePts = in->timestamp;
else
in->pkt_start_offset = 0;
// pts of last sample we added to the buffer
m_lastSamplePts += (in->pkt->nb_samples-in->pkt_start_offset) * 1000 / m_format.m_sampleRate;
}
// calculate pts for last sample in m_procSample
int bufferedSamples = m_pTempoFilter->GetBufferedSamples();
m_procSample->pkt_start_offset = m_procSample->pkt->nb_samples;
m_procSample->timestamp = m_lastSamplePts - bufferedSamples * 1000 / m_format.m_sampleRate;
if ((m_drain || m_changeFilter) && m_empty)
{
if (m_fillPackets && m_procSample->pkt->nb_samples != 0)
{
// pad with zero
start = m_procSample->pkt->nb_samples *
m_procSample->pkt->bytes_per_sample *
m_procSample->pkt->config.channels /
m_procSample->pkt->planes;
for (int i=0; i<m_procSample->pkt->planes; i++)
{
memset(m_procSample->pkt->data[i]+start, 0, m_procSample->pkt->linesize-start);
}
}
// check if draining is finished
if (m_drain && m_procSample->pkt->nb_samples == 0)
{
m_procSample->Return();
busy = false;
}
else
m_outputSamples.push_back(m_procSample);
m_procSample = nullptr;
if (m_changeFilter)
{
ChangeFilter();
}
}
// some methods like encode require completely filled packets
else if (!m_fillPackets || (m_procSample->pkt->nb_samples == m_procSample->pkt->max_nb_samples))
{
m_outputSamples.push_back(m_procSample);
m_procSample = nullptr;
}
if (in)
in->Return();
}
}
return busy;
}
bool CActiveAEBufferPoolResample::ResampleBuffers(int64_t timestamp)
{
bool busy = false;
CSampleBuffer *in;
if (!m_resampler)
{
if (m_changeResampler)
{
ChangeResampler();
return true;
}
while(!m_inputSamples.empty())
{
in = m_inputSamples.front();
m_inputSamples.pop_front();
if (timestamp)
{
in->timestamp = timestamp;
in->clockId = -1;
}
m_outputSamples.push_back(in);
busy = true;
}
}
else if (m_procSample || !m_freeSamples.empty())
{
int free_samples;
if (m_procSample)
free_samples = m_procSample->pkt->max_nb_samples - m_procSample->pkt->nb_samples;
else
free_samples = m_format.m_frames;
bool skipInput = false;
// avoid that ffmpeg resample buffer grows too large
if (!m_resampler->WantsNewSamples(free_samples) && !m_empty)
skipInput = true;
bool hasInput = !m_inputSamples.empty();
if (hasInput || skipInput || m_drain || m_changeResampler)
{
if (!m_procSample)
{
m_procSample = GetFreeBuffer();
}
if (hasInput && !skipInput && !m_changeResampler)
{
in = m_inputSamples.front();
m_inputSamples.pop_front();
}
else
in = NULL;
int start = m_procSample->pkt->nb_samples *
m_procSample->pkt->bytes_per_sample *
m_procSample->pkt->config.channels /
m_procSample->pkt->planes;
for(int i=0; i<m_procSample->pkt->planes; i++)
{
m_planes[i] = m_procSample->pkt->data[i] + start;
}
int out_samples = m_resampler->Resample(m_planes,
m_procSample->pkt->max_nb_samples - m_procSample->pkt->nb_samples,
in ? in->pkt->data : NULL,
in ? in->pkt->nb_samples : 0,
m_resampleRatio);
m_procSample->pkt->nb_samples += out_samples;
busy = true;
m_empty = (out_samples == 0);
if (in)
{
if (!timestamp)
{
m_lastSamplePts = in->timestamp;
m_procSample->clockId = in->clockId;
}
else
{
m_lastSamplePts = timestamp;
in->pkt_start_offset = 0;
m_procSample->clockId = -1;
}
// pts of last sample we added to the buffer
m_lastSamplePts += (in->pkt->nb_samples-in->pkt_start_offset)/m_format.m_sampleRate * 1000;
}
// calculate pts for last sample in m_procSample
int bufferedSamples = m_resampler->GetBufferedSamples();
m_procSample->pkt_start_offset = m_procSample->pkt->nb_samples;
m_procSample->timestamp = m_lastSamplePts - bufferedSamples/m_format.m_sampleRate*1000;
if ((m_drain || m_changeResampler) && m_empty)
{
if (m_fillPackets && m_procSample->pkt->nb_samples != 0)
{
// pad with zero
start = m_procSample->pkt->nb_samples *
m_procSample->pkt->bytes_per_sample *
m_procSample->pkt->config.channels /
m_procSample->pkt->planes;
for(int i=0; i<m_procSample->pkt->planes; i++)
{
memset(m_procSample->pkt->data[i]+start, 0, m_procSample->pkt->linesize-start);
}
}
// check if draining is finished
if (m_drain && m_procSample->pkt->nb_samples == 0)
{
m_procSample->Return();
busy = false;
}
else
m_outputSamples.push_back(m_procSample);
m_procSample = NULL;
if (m_changeResampler)
ChangeResampler();
}
// some methods like encode require completely filled packets
else if (!m_fillPackets || (m_procSample->pkt->nb_samples == m_procSample->pkt->max_nb_samples))
{
m_outputSamples.push_back(m_procSample);
m_procSample = NULL;
}
if (in)
in->Return();
}
}
return busy;
}
