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DATV Demod: Video render: try fix swr_convert issue

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This commit is contained in:
f4exb 2021-04-07 04:34:10 +02:00
parent 40575b78bd
commit 64316e5d7f
1 changed files with 4 additions and 2 deletions

6
plugins/channelrx/demoddatv/datvideorender.cpp
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@ -554,9 +554,11 @@ bool DATVideoRender::renderStream()
if (gotFrame)
{
int in_samplerate = m_audioDecoderCtx->sample_rate;
int out_num_samples = av_rescale_rnd(swr_get_delay(m_audioSWR, in_samplerate) + m_frame->nb_samples, m_audioSampleRate, in_samplerate, AV_ROUND_UP);
int16_t *audioBuffer = nullptr;
av_samples_alloc((uint8_t**) &audioBuffer, nullptr, 2, m_frame->nb_samples, AV_SAMPLE_FMT_S16, 0);
int samples_per_channel = swr_convert(m_audioSWR, (uint8_t**) &audioBuffer, m_frame->nb_samples, (const uint8_t**) m_frame->data, m_frame->nb_samples);
av_samples_alloc((uint8_t**) &audioBuffer, nullptr, 2, out_num_samples, AV_SAMPLE_FMT_S16, 1);
int samples_per_channel = swr_convert(m_audioSWR, (uint8_t**) &audioBuffer, out_num_samples, (const uint8_t**) m_frame->data, m_frame->nb_samples);
if (samples_per_channel < m_frame->nb_samples) {
qDebug("DATVideoRender::renderStream: converted samples missing %d/%d returned", samples_per_channel, m_frame->nb_samples);
}