Fix single channel capture devices on WASAPI.

This commit is contained in:
Saracen 2018-07-26 23:36:16 +01:00
parent 909cf03568
commit 7142e1d3f7
1 changed files with 17 additions and 7 deletions

View File

@ -675,18 +675,28 @@ void AudioDriverWASAPI::thread_func(void *p_udata) {
ERR_BREAK(hr != S_OK);
// fixme: Only works for floating point atm
for (int j = 0; j < num_frames_available * ad->audio_input.channels; j++) {
int32_t sample;
for (int j = 0; j < num_frames_available; j++) {
int32_t sample_channel[2];
if (flags & AUDCLNT_BUFFERFLAGS_SILENT) {
sample = 0;
sample_channel[0] = sample_channel[1] = 0;
} else {
sample = read_sample(ad->audio_input.format_tag, ad->audio_input.bits_per_sample, data, j);
if (ad->audio_input.channels == 2) {
sample_channel[0] = read_sample(ad->audio_input.format_tag, ad->audio_input.bits_per_sample, data, j * 2);
sample_channel[1] = read_sample(ad->audio_input.format_tag, ad->audio_input.bits_per_sample, data, j * 2 + 1);
} else if (ad->audio_input.channels == 1) {
sample_channel[0] = sample_channel[1] = read_sample(ad->audio_input.format_tag, ad->audio_input.bits_per_sample, data, j);
} else {
sample_channel[0] = sample_channel[1] = 0;
ERR_PRINT("WASAPI: unsupported channel count in microphone!");
}
}
ad->audio_input_buffer.write[ad->audio_input_position++] = sample;
if (ad->audio_input_position >= ad->audio_input_buffer.size()) {
ad->audio_input_position = 0;
for (int k = 0; k < 2; k++) {
ad->audio_input_buffer.write[ad->audio_input_position++] = sample_channel[k];
if (ad->audio_input_position >= ad->audio_input_buffer.size()) {
ad->audio_input_position = 0;
}
}
}