CoreAudio: Separate enumeration code
The enumeration code being up at the top was making things quite messy, so I split that code out to a separate set of files.master
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348588254c
commit
bec8a09bd9
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@ -8,12 +8,18 @@ include_directories(${COREAUDIO}
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${AUDIOUNIT}
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${COREFOUNDATION})
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set(mac-capture_HEADERS
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audio-device-enum.h
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mac-helpers.h)
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set(mac-capture_SOURCES
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plugin-main.c
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audio-device-enum.c
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mac-audio.c)
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add_library(mac-capture MODULE
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${mac-capture_SOURCES})
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${mac-capture_SOURCES}
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${mac-capture_HEADERS})
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target_link_libraries(mac-capture
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libobs
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${COREAUDIO}
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@ -0,0 +1,103 @@
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#include <CoreFoundation/CFString.h>
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#include <CoreAudio/CoreAudio.h>
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#include "mac-helpers.h"
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#include "audio-device-enum.h"
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/* ugh, because mac has no means of capturing output, we have to basically
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* mark soundflower and wavtap as output devices. */
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static inline bool device_is_input(char *device)
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{
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return astrstri(device, "soundflower") == NULL &&
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astrstri(device, "wavtap") == NULL;
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}
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static inline bool enum_success(OSStatus stat, const char *msg)
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{
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if (stat != noErr) {
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blog(LOG_WARNING, "[coreaudio_enum_devices] %s failed: %d",
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msg, (int)stat);
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return false;
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}
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return true;
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}
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static void coreaudio_enum_add_device(struct device_list *list,
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AudioDeviceID id, bool input)
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{
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OSStatus stat;
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UInt32 size = 0;
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CFStringRef cf_name = NULL;
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CFStringRef cf_value = NULL;
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struct device_item item;
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AudioObjectPropertyAddress addr = {
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kAudioDevicePropertyStreams,
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kAudioDevicePropertyScopeInput,
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kAudioObjectPropertyElementMaster
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};
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memset(&item, 0, sizeof(item));
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/* check to see if it's a mac input device */
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AudioObjectGetPropertyDataSize(id, &addr, 0, NULL, &size);
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if (!size)
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return;
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size = sizeof(CFStringRef);
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addr.mSelector = kAudioDevicePropertyDeviceUID;
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stat = AudioObjectGetPropertyData(id, &addr, 0, NULL, &size, &cf_value);
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if (!enum_success(stat, "get audio device UID"))
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return;
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addr.mSelector = kAudioDevicePropertyDeviceNameCFString;
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stat = AudioObjectGetPropertyData(id, &addr, 0, NULL, &size, &cf_name);
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if (!enum_success(stat, "get audio device name"))
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goto fail;
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if (!cf_to_dstr(cf_name, &item.name))
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goto fail;
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if (!cf_to_dstr(cf_value, &item.value))
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goto fail;
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if (input || !device_is_input(item.value.array))
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device_list_add(list, &item);
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fail:
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device_item_free(&item);
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CFRelease(cf_name);
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CFRelease(cf_value);
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}
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void coreaudio_enum_devices(struct device_list *list, bool input)
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{
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AudioObjectPropertyAddress addr = {
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kAudioHardwarePropertyDevices,
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kAudioObjectPropertyScopeGlobal,
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kAudioObjectPropertyElementMaster
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};
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UInt32 size = 0;
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UInt32 count;
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OSStatus stat;
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AudioDeviceID *ids;
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stat = AudioObjectGetPropertyDataSize(kAudioObjectSystemObject, &addr,
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0, NULL, &size);
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if (!enum_success(stat, "get kAudioObjectSystemObject data size"))
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return;
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ids = bmalloc(size);
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count = size / sizeof(AudioDeviceID);
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stat = AudioObjectGetPropertyData(kAudioObjectSystemObject, &addr,
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0, NULL, &size, ids);
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if (enum_success(stat, "get kAudioObjectSystemObject data"))
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for (UInt32 i = 0; i < count; i++)
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coreaudio_enum_add_device(list, ids[i], input);
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bfree(ids);
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}
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@ -0,0 +1,35 @@
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#pragma once
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#include <util/darray.h>
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#include <util/dstr.h>
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struct device_item {
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struct dstr name, value;
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};
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static inline void device_item_free(struct device_item *item)
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{
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dstr_free(&item->name);
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dstr_free(&item->value);
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}
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struct device_list {
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DARRAY(struct device_item) items;
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};
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static inline void device_list_free(struct device_list *list)
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{
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for (size_t i = 0; i < list->items.num; i++)
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device_item_free(list->items.array+i);
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da_free(list->items);
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}
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static inline void device_list_add(struct device_list *list,
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struct device_item *item)
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{
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da_push_back(list->items, item);
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memset(item, 0, sizeof(struct device_item));
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}
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extern void coreaudio_enum_devices(struct device_list *list, bool input);
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@ -7,10 +7,9 @@
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#include <obs.h>
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#include <util/threading.h>
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#include <util/c99defs.h>
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#include <util/darray.h>
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#include <util/dstr.h>
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#include "mac-helpers.h"
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#include "audio-device-enum.h"
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#define PROPERTY_DEFAULT_DEVICE kAudioHardwarePropertyDefaultInputDevice
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#define PROPERTY_FORMATS kAudioStreamPropertyAvailablePhysicalFormats
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@ -51,133 +50,6 @@ struct coreaudio_data {
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obs_source_t source;
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};
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struct device_item {
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struct dstr name, value;
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};
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static inline void device_item_free(struct device_item *item)
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{
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dstr_free(&item->name);
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dstr_free(&item->value);
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}
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struct device_list {
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DARRAY(struct device_item) items;
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};
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static inline void device_list_add(struct device_list *list,
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struct device_item *item)
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{
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da_push_back(list->items, item);
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memset(item, 0, sizeof(struct device_item));
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}
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static inline void device_list_free(struct device_list *list)
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{
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for (size_t i = 0; i < list->items.num; i++)
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device_item_free(list->items.array+i);
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da_free(list->items);
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}
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/* ugh, because mac has no means of capturing output, we have to basically
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* mark soundflower and wavtap as output devices. */
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static inline bool device_is_input(char *device)
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{
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return astrstri(device, "soundflower") == NULL &&
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astrstri(device, "wavtap") == NULL;
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}
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static inline bool enum_success(OSStatus stat, const char *msg)
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{
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if (stat != noErr) {
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blog(LOG_WARNING, "[coreaudio_enum_devices] %s failed: %d",
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msg, (int)stat);
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return false;
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}
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return true;
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}
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static void coreaudio_enum_add_device(struct device_list *list,
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AudioDeviceID id, bool input)
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{
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OSStatus stat;
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UInt32 size = 0;
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CFStringRef cf_name = NULL;
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CFStringRef cf_value = NULL;
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struct device_item item;
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AudioObjectPropertyAddress addr = {
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kAudioDevicePropertyStreams,
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kAudioDevicePropertyScopeInput,
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kAudioObjectPropertyElementMaster
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};
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memset(&item, 0, sizeof(item));
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/* check to see if it's a mac input device */
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AudioObjectGetPropertyDataSize(id, &addr, 0, NULL, &size);
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if (!size)
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return;
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size = sizeof(CFStringRef);
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addr.mSelector = kAudioDevicePropertyDeviceUID;
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stat = AudioObjectGetPropertyData(id, &addr, 0, NULL, &size, &cf_value);
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if (!enum_success(stat, "get audio device UID"))
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return;
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addr.mSelector = kAudioDevicePropertyDeviceNameCFString;
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stat = AudioObjectGetPropertyData(id, &addr, 0, NULL, &size, &cf_name);
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if (!enum_success(stat, "get audio device name"))
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goto fail;
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if (!cf_to_dstr(cf_name, &item.name))
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goto fail;
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if (!cf_to_dstr(cf_value, &item.value))
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goto fail;
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if (input || !device_is_input(item.value.array))
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device_list_add(list, &item);
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fail:
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device_item_free(&item);
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CFRelease(cf_name);
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CFRelease(cf_value);
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}
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static void coreaudio_enum_devices(struct device_list *list, bool input)
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{
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AudioObjectPropertyAddress addr = {
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kAudioHardwarePropertyDevices,
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kAudioObjectPropertyScopeGlobal,
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kAudioObjectPropertyElementMaster
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};
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UInt32 size = 0;
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UInt32 count;
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OSStatus stat;
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AudioDeviceID *ids;
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stat = AudioObjectGetPropertyDataSize(kAudioObjectSystemObject, &addr,
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0, NULL, &size);
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if (!enum_success(stat, "get kAudioObjectSystemObject data size"))
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return;
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ids = bmalloc(size);
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count = size / sizeof(AudioDeviceID);
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stat = AudioObjectGetPropertyData(kAudioObjectSystemObject, &addr,
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0, NULL, &size, ids);
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if (enum_success(stat, "get kAudioObjectSystemObject data"))
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for (UInt32 i = 0; i < count; i++)
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coreaudio_enum_add_device(list, ids[i], input);
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bfree(ids);
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}
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static bool get_default_output_device(struct coreaudio_data *ca)
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{
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struct device_list list;
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@ -1,5 +1,7 @@
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#pragma once
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#include <util/dstr.h>
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static inline bool mac_success(OSStatus stat, const char *action)
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{
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if (stat != noErr) {
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