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Add some ALSA specific debugging.

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This commit is contained in:
David Reid
2019-08-24 22:49:05 +00:00
parent ada7f6c8c6
commit 3c614c7b67
1 changed files with 28 additions and 4 deletions
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tests/ma_duplex.c
+28 -4
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@@ -7,6 +7,8 @@
#define DR_WAV_IMPLEMENTATION #define DR_WAV_IMPLEMENTATION
#include "../extras/dr_wav.h" #include "../extras/dr_wav.h"
#define OUTPUT_WAV 1
#ifdef __EMSCRIPTEN__ #ifdef __EMSCRIPTEN__
void main_loop__em() void main_loop__em()
{ {
@@ -32,7 +34,7 @@ void data_callback(ma_device* pDevice, void* pOutput, const void* pInput, ma_uin
/* In this test the format and channel count are the same for both input and output which means we can just memcpy(). */ /* In this test the format and channel count are the same for both input and output which means we can just memcpy(). */
ma_copy_memory(pOutput, pInput, frameCount * ma_get_bytes_per_frame(pDevice->capture.format, pDevice->capture.channels)); ma_copy_memory(pOutput, pInput, frameCount * ma_get_bytes_per_frame(pDevice->capture.format, pDevice->capture.channels));
#if 1 #if defined(OUTPUT_WAV) && OUTPUT_WAV==1
/* Also write to a wav file for debugging. */ /* Also write to a wav file for debugging. */
drwav* pWav = (drwav*)pDevice->pUserData; drwav* pWav = (drwav*)pDevice->pUserData;
ma_assert(pWav != NULL); ma_assert(pWav != NULL);
@@ -45,7 +47,7 @@ int main(int argc, char** argv)
{ {
ma_result result; ma_result result;
#if 1 #if defined(OUTPUT_WAV) && OUTPUT_WAV==1
drwav_data_format wavFormat; drwav_data_format wavFormat;
wavFormat.container = drwav_container_riff; wavFormat.container = drwav_container_riff;
wavFormat.format = DR_WAVE_FORMAT_PCM; wavFormat.format = DR_WAVE_FORMAT_PCM;
@@ -65,6 +67,7 @@ int main(int argc, char** argv)
ma_context_config contextConfig = ma_context_config_init(); ma_context_config contextConfig = ma_context_config_init();
contextConfig.logCallback = log_callback; contextConfig.logCallback = log_callback;
contextConfig.alsa.useVerboseDeviceEnumeration = MA_TRUE;
ma_context context; ma_context context;
result = ma_context_init(&backend, 1, &contextConfig, &context); result = ma_context_init(&backend, 1, &contextConfig, &context);
@@ -73,15 +76,36 @@ int main(int argc, char** argv)
return result; return result;
} }
/* ALSA debugging. */
if (backend == ma_backend_alsa) {
ma_device_info* pPlaybackDevices;
ma_uint32 playbackDeviceCount;
ma_device_info* pCaptureDevices;
ma_uint32 captureDeviceCount;
ma_context_get_devices(&context, &pPlaybackDevices, &playbackDeviceCount, &pCaptureDevices, &captureDeviceCount);
printf("Playback Devices:\n");
for (ma_uint32 iDevice = 0; iDevice < playbackDeviceCount; iDevice += 1) {
printf(" ALSA Device ID: %s\n", pPlaybackDevices[iDevice].id.alsa);
}
printf("Capture Devices:\n");
for (ma_uint32 iDevice = 0; iDevice < captureDeviceCount; iDevice += 1) {
printf(" ALSA Device ID: %s\n", pCaptureDevices[iDevice].id.alsa);
}
}
ma_device_config deviceConfig = ma_device_config_init(ma_device_type_duplex); ma_device_config deviceConfig = ma_device_config_init(ma_device_type_duplex);
deviceConfig.capture.pDeviceID = NULL; deviceConfig.capture.pDeviceID = NULL;
deviceConfig.capture.format = ma_format_s16; deviceConfig.capture.format = ma_format_s16;
deviceConfig.capture.channels = 2; deviceConfig.capture.channels = 2;
deviceConfig.capture.shareMode = ma_share_mode_exclusive;
deviceConfig.playback.pDeviceID = NULL; deviceConfig.playback.pDeviceID = NULL;
deviceConfig.playback.format = ma_format_s16; deviceConfig.playback.format = ma_format_s16;
deviceConfig.playback.channels = 2; deviceConfig.playback.channels = 2;
deviceConfig.playback.shareMode = ma_share_mode_shared; deviceConfig.playback.shareMode = ma_share_mode_exclusive;
deviceConfig.sampleRate = 44100; deviceConfig.sampleRate = 50000;
//deviceConfig.bufferSizeInMilliseconds = 60; //deviceConfig.bufferSizeInMilliseconds = 60;
deviceConfig.bufferSizeInFrames = 4096; deviceConfig.bufferSizeInFrames = 4096;
//deviceConfig.periods = 3; //deviceConfig.periods = 3;