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CoreAudio play.: probe all devices

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This commit is contained in:
Martin Pulec
2020-04-03 10:21:30 +02:00
parent 254bc9fdc8
commit d2a5e30ec3
1 changed files with 34 additions and 18 deletions
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52
src/audio/playback/coreaudio.cpp
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@@ -51,6 +51,7 @@
#include <AudioUnit/AudioUnit.h>
#include <Availability.h>
#include <chrono>
#include <cinttypes>
#include <CoreAudio/AudioHardware.h>
#include <iostream>
#include <stdlib.h>
@@ -259,42 +260,43 @@ error:
static void audio_play_ca_probe(struct device_info **available_devices, int *count)
{
*available_devices = (struct device_info *) malloc(sizeof(struct device_info));
strcpy((*available_devices)[0].id, "coreaudio");
strcpy((*available_devices)[0].name, "Default OS X audio output");
snprintf((*available_devices)[0].id, sizeof (*available_devices)[0].id, "coreaudio");
snprintf((*available_devices)[0].name, sizeof (*available_devices)[0].name, "Default CoreAudio output");
*count = 1;
}
static void audio_play_ca_help(const char *driver_name)
{
UNUSED(driver_name);
OSErr ret;
int dev_count;
AudioDeviceID *dev_ids;
int dev_items;
int i;
OSErr ret;
UInt32 size;
AudioObjectPropertyAddress propertyAddress;
cout << style::bold << "\tcoreaudio" << style::reset << ": default CoreAudio output\n";
propertyAddress.mSelector = kAudioHardwarePropertyDevices;
propertyAddress.mScope = kAudioObjectPropertyScopeGlobal;
propertyAddress.mElement = kAudioObjectPropertyElementMaster;
ret = AudioObjectGetPropertyDataSize(kAudioObjectSystemObject, &propertyAddress, 0, NULL, &size);
if(ret) goto error;
if (ret) {
goto error;
}
dev_ids = (AudioDeviceID *) malloc(size);
dev_items = size / sizeof(AudioDeviceID);
dev_count = size / sizeof(AudioDeviceID);
ret = AudioObjectGetPropertyData(kAudioObjectSystemObject, &propertyAddress, 0, NULL, &size, dev_ids);
if(ret) goto error;
if (ret) {
goto error;
}
for(i = 0; i < dev_items; ++i)
{
*count = dev_count + 1;
*available_devices = (struct device_info *) realloc(*available_devices, *count * sizeof(struct device_info));
for (int i = 0; i < dev_count; ++i) {
CFStringRef deviceName = NULL;
char cname[128] = "";
size = sizeof(deviceName);
propertyAddress.mSelector = kAudioDevicePropertyDeviceNameCFString;
ret = AudioObjectGetPropertyData(dev_ids[i], &propertyAddress, 0, NULL, &size, &deviceName);
CFStringGetCString(deviceName, (char *) cname, sizeof cname, kCFStringEncodingMacRoman);
cout << style::bold << "\tcoreaudio:" << dev_ids[i] << style::reset << ": " << cname << "\n";
CFStringGetCString(deviceName, (char *) (*available_devices)[i + 1].name,
sizeof (*available_devices)[i + 1].name, kCFStringEncodingMacRoman);
snprintf((*available_devices)[i + 1].id, sizeof (*available_devices)[i + 1].id,
"coreaudio:%" PRIu32, dev_ids[i]);
CFRelease(deviceName);
}
free(dev_ids);
@@ -305,6 +307,20 @@ error:
fprintf(stderr, "[CoreAudio] error obtaining device list.\n");
}
static void audio_play_ca_help(const char *driver_name)
{
UNUSED(driver_name);
struct device_info *available_devices;
int count;
audio_play_ca_probe(&available_devices, &count);
for (int i = 0; i < count; ++i) {
printf("\t%-13s: %s\n", available_devices[i].id, available_devices[i].name);
}
free(available_devices);
}
static void * audio_play_ca_init(const char *cfg)
{
struct state_ca_playback *s;