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add gain slider (how 2 loudmic? 🤓)

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This commit is contained in:
ouwou
2022-10-21 01:23:37 -04:00
parent 848e75f577
commit e888306272
5 changed files with 37 additions and 2 deletions
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16
src/audio/manager.cpp
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@@ -180,6 +180,10 @@ void AudioManager::SetCaptureGate(double gate) {
m_capture_gate = gate * 0.01;
}
void AudioManager::SetCaptureGain(double gain) {
m_capture_gain = gain;
}
void AudioManager::SetMuteSSRC(uint32_t ssrc, bool mute) {
std::lock_guard<std::mutex> _(m_mutex);
if (mute) {
@@ -199,11 +203,19 @@ void AudioManager::SetVolumeSSRC(uint32_t ssrc, double volume) {
void AudioManager::OnCapturedPCM(const int16_t *pcm, ma_uint32 frames) {
if (m_opus_buffer == nullptr || !m_should_capture) return;
UpdateCaptureVolume(pcm, frames);
const double gain = m_capture_gain;
// i have a suspicion i can cast the const away... but i wont
std::vector<int16_t> new_pcm(pcm, pcm + frames * 2);
for (auto &val : new_pcm) {
const int32_t unclamped = static_cast<int32_t>(val * gain);
val = std::clamp(unclamped, INT16_MIN, INT16_MAX);
}
UpdateCaptureVolume(new_pcm.data(), frames);
if (m_capture_peak_meter / 32768.0 < m_capture_gate) return;
int payload_len = opus_encode(m_encoder, pcm, 480, static_cast<unsigned char *>(m_opus_buffer), 1275);
int payload_len = opus_encode(m_encoder, new_pcm.data(), 480, static_cast<unsigned char *>(m_opus_buffer), 1275);
if (payload_len < 0) {
printf("encoding error: %d\n", payload_len);
} else {