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Fix possible audio input buffer issues

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This commit is contained in:
Marcelo Fernandez 2018-10-19 16:32:03 -03:00
parent cf7a66195f
commit fa26a5511d
8 changed files with 33 additions and 23 deletions
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18
drivers/pulseaudio/audio_driver_pulseaudio.cpp
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@ -613,20 +613,18 @@ Error AudioDriverPulseAudio::capture_init_device() {
break;
}
print_verbose("PulseAudio: detected " + itos(pa_rec_map.channels) + " input channels");
pa_sample_spec spec;
spec.format = PA_SAMPLE_S16LE;
spec.channels = pa_rec_map.channels;
spec.rate = mix_rate;
int latency = 30;
input_buffer_frames = closest_power_of_2(latency * mix_rate / 1000);
int buffer_size = input_buffer_frames * spec.channels;
int input_latency = 30;
int input_buffer_frames = closest_power_of_2(input_latency * mix_rate / 1000);
int input_buffer_size = input_buffer_frames * spec.channels;
pa_buffer_attr attr;
attr.fragsize = buffer_size * sizeof(int16_t);
attr.fragsize = input_buffer_size * sizeof(int16_t);
pa_rec_str = pa_stream_new(pa_ctx, "Record", &spec, &pa_rec_map);
if (pa_rec_str == NULL) {
@ -642,9 +640,10 @@ Error AudioDriverPulseAudio::capture_init_device() {
ERR_FAIL_V(ERR_CANT_OPEN);
}
input_buffer.resize(input_buffer_frames * 8);
input_position = 0;
input_size = 0;
input_buffer_init(input_buffer_frames);
print_verbose("PulseAudio: detected " + itos(pa_rec_map.channels) + " input channels");
print_verbose("PulseAudio: input buffer frames: " + itos(input_buffer_frames) + " calculated latency: " + itos(input_buffer_frames * 1000 / mix_rate) + "ms");
return OK;
}
@ -760,7 +759,6 @@ AudioDriverPulseAudio::AudioDriverPulseAudio() {
mix_rate = 0;
buffer_frames = 0;
input_buffer_frames = 0;
pa_buffer_size = 0;
channels = 0;
pa_ready = 0;

1
drivers/pulseaudio/audio_driver_pulseaudio.h
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@ -64,7 +64,6 @@ class AudioDriverPulseAudio : public AudioDriver {
unsigned int mix_rate;
unsigned int buffer_frames;
unsigned int input_buffer_frames;
unsigned int pa_buffer_size;
int channels;
int pa_ready;