EngineX-Iluvatar/enginex-mr_series-sherpa-onnx
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move portaudio common record code to microphone (#2264)

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Co-authored-by: cqm <cqm@97kid.com>
This commit is contained in:
mtdxc
2025-05-31 21:48:41 +08:00
committed by GitHub
parent 921f0f40cb
commit 613e8084c2
12 changed files with 130 additions and 446 deletions
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62
sherpa-onnx/csrc/sherpa-onnx-vad-microphone-offline-asr.cc
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@@ -113,17 +113,7 @@ to download models for offline ASR.
sherpa_onnx::Microphone mic;
PaDeviceIndex num_devices = Pa_GetDeviceCount();
fprintf(stderr, "Num devices: %d\n", num_devices);
if (num_devices == 0) {
fprintf(stderr,
" If you are using Linux, please try "
"./build/bin/sherpa-onnx-vad-alsa-offline-asr\n");
exit(-1);
}
int32_t device_index = Pa_GetDefaultInputDevice();
if (device_index == paNoDevice) {
fprintf(stderr, "No default input device found\n");
fprintf(stderr,
@@ -137,33 +127,20 @@ to download models for offline ASR.
fprintf(stderr, "Use specified device: %s\n", pDeviceIndex);
device_index = atoi(pDeviceIndex);
}
mic.PrintDevices(device_index);
for (int32_t i = 0; i != num_devices; ++i) {
const PaDeviceInfo *info = Pa_GetDeviceInfo(i);
fprintf(stderr, " %s %d %s\n", (i == device_index) ? "*" : " ", i,
info->name);
}
PaStreamParameters param;
param.device = device_index;
fprintf(stderr, "Use device: %d\n", param.device);
const PaDeviceInfo *info = Pa_GetDeviceInfo(param.device);
fprintf(stderr, " Name: %s\n", info->name);
fprintf(stderr, " Max input channels: %d\n", info->maxInputChannels);
param.channelCount = 1;
param.sampleFormat = paFloat32;
param.suggestedLatency = info->defaultLowInputLatency;
param.hostApiSpecificStreamInfo = nullptr;
float mic_sample_rate = 16000;
const char *pSampleRateStr = std::getenv("SHERPA_ONNX_MIC_SAMPLE_RATE");
if (pSampleRateStr) {
fprintf(stderr, "Use sample rate %f for mic\n", mic_sample_rate);
mic_sample_rate = atof(pSampleRateStr);
}
if (!mic.OpenDevice(device_index, mic_sample_rate, 1, RecordCallback, nullptr)) {
fprintf(stderr, "Failed to open device %d\n", device_index);
exit(EXIT_FAILURE);
}
float sample_rate = 16000;
std::unique_ptr<sherpa_onnx::LinearResample> resampler;
if (mic_sample_rate != sample_rate) {
@@ -175,25 +152,6 @@ to download models for offline ASR.
mic_sample_rate, sample_rate, lowpass_cutoff, lowpass_filter_width);
}
PaStream *stream;
PaError err =
Pa_OpenStream(&stream, &param, nullptr, /* &outputParameters, */
mic_sample_rate,
0, // frames per buffer
paClipOff, // we won't output out of range samples
// so don't bother clipping them
RecordCallback, nullptr);
if (err != paNoError) {
fprintf(stderr, "portaudio error: %s\n", Pa_GetErrorText(err));
exit(EXIT_FAILURE);
}
err = Pa_StartStream(stream);
if (err != paNoError) {
fprintf(stderr, "portaudio error: %s\n", Pa_GetErrorText(err));
exit(EXIT_FAILURE);
}
auto vad = std::make_unique<sherpa_onnx::VoiceActivityDetector>(vad_config);
fprintf(stderr, "Started. Please speak\n");
@@ -236,11 +194,5 @@ to download models for offline ASR.
Pa_Sleep(100); // sleep for 100ms
}
err = Pa_CloseStream(stream);
if (err != paNoError) {
fprintf(stderr, "portaudio error: %s\n", Pa_GetErrorText(err));
exit(EXIT_FAILURE);
}
return 0;
}