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separate encoder for detect word

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This commit is contained in:
Terrence
2024-09-04 13:36:20 +08:00
parent 10574dd2bc
commit bad888e3ec
3 changed files with 30 additions and 12 deletions
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16
main/OpusEncoder.cc
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@@ -28,13 +28,18 @@ void OpusEncoder::Configure(int sample_rate, int channels, int duration_ms) {
// Set DTX
opus_encoder_ctl(audio_enc_, OPUS_SET_DTX(1));
// Set complexity to 5
opus_encoder_ctl(audio_enc_, OPUS_SET_COMPLEXITY(5));
SetComplexity(5);
frame_size_ = sample_rate / 1000 * duration_ms;
out_buffer_.resize(sample_rate * channels * sizeof(int16_t));
}
void OpusEncoder::SetComplexity(int complexity) {
if (audio_enc_ != nullptr) {
opus_encoder_ctl(audio_enc_, OPUS_SET_COMPLEXITY(complexity));
}
}
void OpusEncoder::Encode(const iovec pcm, std::function<void(const iovec opus)> handler) {
if (audio_enc_ == nullptr) {
ESP_LOGE(TAG, "Audio encoder is not configured");
@@ -58,3 +63,10 @@ void OpusEncoder::Encode(const iovec pcm, std::function<void(const iovec opus)>
in_buffer_.erase(in_buffer_.begin(), in_buffer_.begin() + frame_size_);
}
}
void OpusEncoder::ResetState() {
if (audio_enc_ != nullptr) {
opus_encoder_ctl(audio_enc_, OPUS_RESET_STATE);
}
in_buffer_.clear();
}