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portaudio: update input buffer handling, increase buffers

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This commit is contained in:
Dirk Helbig 2024-04-19 11:36:51 +02:00 committed by Matthias Ringwald
parent 30b419f466
commit 14200bb85a
1 changed files with 11 additions and 9 deletions
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20
platform/posix/btstack_audio_portaudio.c
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@ -49,7 +49,7 @@
#define PA_SAMPLE_TYPE paInt16
#define NUM_FRAMES_PER_PA_BUFFER 512
#define NUM_OUTPUT_BUFFERS 5
#define NUM_INPUT_BUFFERS 2
#define NUM_INPUT_BUFFERS 5
#define DRIVER_POLL_INTERVAL_MS 5
#ifndef MAX_NR_AUDIO_CHANNELS
@ -89,9 +89,8 @@ static int output_buffer_to_play;
static int output_buffer_to_fill;
// input buffer
static int16_t input_buffer_a[NUM_FRAMES_PER_PA_BUFFER * MAX_NR_AUDIO_CHANNELS];
static int16_t input_buffer_b[NUM_FRAMES_PER_PA_BUFFER * MAX_NR_AUDIO_CHANNELS];
static int16_t * input_buffers[NUM_INPUT_BUFFERS] = { input_buffer_a, input_buffer_b};
static int16_t input_buffer_storage[NUM_INPUT_BUFFERS * NUM_FRAMES_PER_PA_BUFFER * MAX_NR_AUDIO_CHANNELS];
static int16_t * input_buffers[NUM_INPUT_BUFFERS];
static int input_buffer_to_record;
static int input_buffer_to_fill;
@ -209,16 +208,15 @@ static int btstack_audio_portaudio_sink_init(
num_channels_sink = channels;
num_bytes_per_sample_sink = 2 * channels;
uint8_t i;
for (i=0;i<NUM_OUTPUT_BUFFERS;i++){
output_buffers[i] = &output_buffer_storage[i * NUM_FRAMES_PER_PA_BUFFER * MAX_NR_AUDIO_CHANNELS];
}
if (!playback){
log_error("No playback callback");
return 1;
}
for (int i=0;i<NUM_OUTPUT_BUFFERS;i++){
output_buffers[i] = &output_buffer_storage[i * NUM_FRAMES_PER_PA_BUFFER * MAX_NR_AUDIO_CHANNELS];
}
/* -- initialize PortAudio -- */
if (!portaudio_initialized){
err = Pa_Initialize();
@ -288,6 +286,10 @@ static int btstack_audio_portaudio_source_init(
return 1;
}
for (int i=0;i<NUM_INPUT_BUFFERS;i++){
input_buffers[i] = &input_buffer_storage[i * NUM_FRAMES_PER_PA_BUFFER * MAX_NR_AUDIO_CHANNELS];
}
/* -- initialize PortAudio -- */
if (!portaudio_initialized){
err = Pa_Initialize();