808 lines
20 KiB
C
808 lines
20 KiB
C
#include <AudioUnit/AudioUnit.h>
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#include <CoreFoundation/CFString.h>
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#include <CoreAudio/CoreAudio.h>
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#include <unistd.h>
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#include <errno.h>
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#include <obs-module.h>
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#include <util/threading.h>
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#include <util/c99defs.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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#define SCOPE_OUTPUT kAudioUnitScope_Output
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#define SCOPE_INPUT kAudioUnitScope_Input
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#define SCOPE_GLOBAL kAudioUnitScope_Global
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#define BUS_OUTPUT 0
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#define BUS_INPUT 1
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#define MAX_DEVICES 20
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#define set_property AudioUnitSetProperty
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#define get_property AudioUnitGetProperty
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#define TEXT_AUDIO_INPUT obs_module_text("CoreAudio.InputCapture");
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#define TEXT_AUDIO_OUTPUT obs_module_text("CoreAudio.OutputCapture");
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#define TEXT_DEVICE obs_module_text("CoreAudio.Device")
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#define TEXT_DEVICE_DEFAULT obs_module_text("CoreAudio.Device.Default")
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struct coreaudio_data {
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char *device_name;
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char *device_uid;
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AudioUnit unit;
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AudioDeviceID device_id;
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AudioBufferList *buf_list;
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bool au_initialized;
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bool active;
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bool default_device;
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bool input;
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bool no_devices;
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uint32_t sample_rate;
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enum audio_format format;
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enum speaker_layout speakers;
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pthread_t reconnect_thread;
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os_event_t *exit_event;
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volatile bool reconnecting;
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unsigned long retry_time;
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obs_source_t *source;
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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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memset(&list, 0, sizeof(struct device_list));
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coreaudio_enum_devices(&list, false);
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if (!list.items.num)
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return false;
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bfree(ca->device_uid);
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ca->device_uid = bstrdup(list.items.array[0].value.array);
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device_list_free(&list);
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return true;
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}
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static bool find_device_id_by_uid(struct coreaudio_data *ca)
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{
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UInt32 size = sizeof(AudioDeviceID);
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CFStringRef cf_uid = NULL;
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CFStringRef qual = NULL;
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UInt32 qual_size = 0;
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OSStatus stat;
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bool success;
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AudioObjectPropertyAddress addr = {
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.mScope = kAudioObjectPropertyScopeGlobal,
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.mElement = kAudioObjectPropertyElementMaster
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};
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if (!ca->device_uid)
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ca->device_uid = bstrdup("default");
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/* have to do this because mac output devices don't actually exist */
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if (astrcmpi(ca->device_uid, "default") == 0) {
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if (ca->input) {
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ca->default_device = true;
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} else {
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if (!get_default_output_device(ca)) {
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ca->no_devices = true;
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return false;
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}
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}
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}
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cf_uid = CFStringCreateWithCString(NULL, ca->device_uid,
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kCFStringEncodingUTF8);
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if (ca->default_device) {
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addr.mSelector = PROPERTY_DEFAULT_DEVICE;
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stat = AudioObjectGetPropertyData(kAudioObjectSystemObject,
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&addr, qual_size, &qual, &size, &ca->device_id);
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success = (stat == noErr);
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} else {
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success = coreaudio_get_device_id(cf_uid, &ca->device_id);
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}
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if (cf_uid)
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CFRelease(cf_uid);
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return success;
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}
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static inline void ca_warn(struct coreaudio_data *ca, const char *func,
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const char *format, ...)
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{
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va_list args;
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struct dstr str = {0};
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va_start(args, format);
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dstr_printf(&str, "[%s]:[device '%s'] ", func, ca->device_name);
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dstr_vcatf(&str, format, args);
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blog(LOG_WARNING, "%s", str.array);
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dstr_free(&str);
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va_end(args);
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}
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static inline bool ca_success(OSStatus stat, struct coreaudio_data *ca,
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const char *func, const char *action)
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{
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if (stat != noErr) {
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blog(LOG_WARNING, "[%s]:[device '%s'] %s failed: %d",
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func, ca->device_name, action, (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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enum coreaudio_io_type {
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IO_TYPE_INPUT,
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IO_TYPE_OUTPUT,
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};
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static inline bool enable_io(struct coreaudio_data *ca,
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enum coreaudio_io_type type, bool enable)
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{
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UInt32 enable_int = enable;
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return set_property(ca->unit, kAudioOutputUnitProperty_EnableIO,
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(type == IO_TYPE_INPUT) ? SCOPE_INPUT : SCOPE_OUTPUT,
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(type == IO_TYPE_INPUT) ? BUS_INPUT : BUS_OUTPUT,
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&enable_int, sizeof(enable_int));
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}
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static inline enum audio_format convert_ca_format(UInt32 format_flags,
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UInt32 bits)
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{
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bool planar = (format_flags & kAudioFormatFlagIsNonInterleaved) != 0;
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if (format_flags & kAudioFormatFlagIsFloat)
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return planar ? AUDIO_FORMAT_FLOAT_PLANAR : AUDIO_FORMAT_FLOAT;
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if (!(format_flags & kAudioFormatFlagIsSignedInteger) && bits == 8)
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return planar ? AUDIO_FORMAT_U8BIT_PLANAR : AUDIO_FORMAT_U8BIT;
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/* not float? not signed int? no clue, fail */
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if ((format_flags & kAudioFormatFlagIsSignedInteger) == 0)
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return AUDIO_FORMAT_UNKNOWN;
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if (bits == 16)
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return planar ? AUDIO_FORMAT_16BIT_PLANAR : AUDIO_FORMAT_16BIT;
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else if (bits == 32)
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return planar ? AUDIO_FORMAT_32BIT_PLANAR : AUDIO_FORMAT_32BIT;
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return AUDIO_FORMAT_UNKNOWN;
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}
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static inline enum speaker_layout convert_ca_speaker_layout(UInt32 channels)
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{
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/* directly map channel count to enum values */
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if (channels >= 1 && channels <= 8 && channels != 7)
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return (enum speaker_layout)channels;
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return SPEAKERS_UNKNOWN;
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}
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static bool coreaudio_init_format(struct coreaudio_data *ca)
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{
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AudioStreamBasicDescription desc;
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OSStatus stat;
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UInt32 size = sizeof(desc);
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stat = get_property(ca->unit, kAudioUnitProperty_StreamFormat,
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SCOPE_INPUT, BUS_INPUT, &desc, &size);
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if (!ca_success(stat, ca, "coreaudio_init_format", "get input format"))
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return false;
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/* Certain types of devices have no limit on channel count, and
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* there's no way to know the actual number of channels it's using,
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* so if we encounter this situation just force to stereo */
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if (desc.mChannelsPerFrame > 8) {
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desc.mChannelsPerFrame = 2;
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desc.mBytesPerFrame = 2 * desc.mBitsPerChannel / 8;
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desc.mBytesPerPacket =
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desc.mFramesPerPacket * desc.mBytesPerFrame;
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}
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stat = set_property(ca->unit, kAudioUnitProperty_StreamFormat,
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SCOPE_OUTPUT, BUS_INPUT, &desc, size);
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if (!ca_success(stat, ca, "coreaudio_init_format", "set output format"))
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return false;
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if (desc.mFormatID != kAudioFormatLinearPCM) {
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ca_warn(ca, "coreaudio_init_format", "format is not PCM");
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return false;
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}
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ca->format = convert_ca_format(desc.mFormatFlags, desc.mBitsPerChannel);
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if (ca->format == AUDIO_FORMAT_UNKNOWN) {
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ca_warn(ca, "coreaudio_init_format", "unknown format flags: "
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"%u, bits: %u",
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(unsigned int)desc.mFormatFlags,
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(unsigned int)desc.mBitsPerChannel);
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return false;
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}
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ca->sample_rate = (uint32_t)desc.mSampleRate;
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ca->speakers = convert_ca_speaker_layout(desc.mChannelsPerFrame);
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if (ca->speakers == SPEAKERS_UNKNOWN) {
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ca_warn(ca, "coreaudio_init_format", "unknown speaker layout: "
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"%u channels",
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(unsigned int)desc.mChannelsPerFrame);
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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 bool coreaudio_init_buffer(struct coreaudio_data *ca)
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{
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UInt32 buf_size = 0;
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UInt32 size = 0;
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UInt32 frames = 0;
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OSStatus stat;
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AudioObjectPropertyAddress addr = {
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kAudioDevicePropertyStreamConfiguration,
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kAudioDevicePropertyScopeInput,
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kAudioObjectPropertyElementMaster
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};
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stat = AudioObjectGetPropertyDataSize(ca->device_id, &addr, 0, NULL,
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&buf_size);
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if (!ca_success(stat, ca, "coreaudio_init_buffer", "get list size"))
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return false;
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size = sizeof(frames);
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stat = get_property(ca->unit, kAudioDevicePropertyBufferFrameSize,
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SCOPE_GLOBAL, 0, &frames, &size);
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if (!ca_success(stat, ca, "coreaudio_init_buffer", "get frame size"))
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return false;
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/* ---------------------- */
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ca->buf_list = bmalloc(buf_size);
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stat = AudioObjectGetPropertyData(ca->device_id, &addr, 0, NULL,
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&buf_size, ca->buf_list);
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if (!ca_success(stat, ca, "coreaudio_init_buffer", "allocate")) {
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bfree(ca->buf_list);
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ca->buf_list = NULL;
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return false;
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}
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for (UInt32 i = 0; i < ca->buf_list->mNumberBuffers; i++) {
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size = ca->buf_list->mBuffers[i].mDataByteSize;
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ca->buf_list->mBuffers[i].mData = bmalloc(size);
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}
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return true;
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}
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static void buf_list_free(AudioBufferList *buf_list)
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{
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if (buf_list) {
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for (UInt32 i = 0; i < buf_list->mNumberBuffers; i++)
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bfree(buf_list->mBuffers[i].mData);
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bfree(buf_list);
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}
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}
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static OSStatus input_callback(
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void *data,
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AudioUnitRenderActionFlags *action_flags,
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const AudioTimeStamp *ts_data,
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UInt32 bus_num,
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UInt32 frames,
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AudioBufferList *ignored_buffers)
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{
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struct coreaudio_data *ca = data;
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OSStatus stat;
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struct obs_source_audio audio;
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stat = AudioUnitRender(ca->unit, action_flags, ts_data, bus_num, frames,
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ca->buf_list);
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if (!ca_success(stat, ca, "input_callback", "audio retrieval"))
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return noErr;
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for (UInt32 i = 0; i < ca->buf_list->mNumberBuffers; i++)
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audio.data[i] = ca->buf_list->mBuffers[i].mData;
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audio.frames = frames;
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audio.speakers = ca->speakers;
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audio.format = ca->format;
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audio.samples_per_sec = ca->sample_rate;
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audio.timestamp = ts_data->mHostTime;
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obs_source_output_audio(ca->source, &audio);
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UNUSED_PARAMETER(ignored_buffers);
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return noErr;
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}
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static void coreaudio_stop(struct coreaudio_data *ca);
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static bool coreaudio_init(struct coreaudio_data *ca);
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static void coreaudio_uninit(struct coreaudio_data *ca);
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static void *reconnect_thread(void *param)
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{
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struct coreaudio_data *ca = param;
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ca->reconnecting = true;
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while (os_event_timedwait(ca->exit_event, ca->retry_time) == ETIMEDOUT) {
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if (coreaudio_init(ca))
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break;
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}
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blog(LOG_DEBUG, "coreaudio: exit the reconnect thread");
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ca->reconnecting = false;
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return NULL;
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}
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static void coreaudio_begin_reconnect(struct coreaudio_data *ca)
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{
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int ret;
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if (ca->reconnecting)
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return;
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ret = pthread_create(&ca->reconnect_thread, NULL, reconnect_thread, ca);
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if (ret != 0)
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blog(LOG_WARNING, "[coreaudio_begin_reconnect] failed to "
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"create thread, error code: %d", ret);
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}
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static OSStatus notification_callback(
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AudioObjectID id,
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UInt32 num_addresses,
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const AudioObjectPropertyAddress addresses[],
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void *data)
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{
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struct coreaudio_data *ca = data;
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coreaudio_stop(ca);
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coreaudio_uninit(ca);
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if (addresses[0].mSelector == PROPERTY_DEFAULT_DEVICE)
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ca->retry_time = 300;
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else
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ca->retry_time = 2000;
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blog(LOG_INFO, "coreaudio: device '%s' disconnected or changed. "
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"attempting to reconnect", ca->device_name);
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coreaudio_begin_reconnect(ca);
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UNUSED_PARAMETER(id);
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UNUSED_PARAMETER(num_addresses);
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return noErr;
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}
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static OSStatus add_listener(struct coreaudio_data *ca, UInt32 property)
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{
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AudioObjectPropertyAddress addr = {
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property,
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kAudioObjectPropertyScopeGlobal,
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kAudioObjectPropertyElementMaster
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};
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return AudioObjectAddPropertyListener(ca->device_id, &addr,
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notification_callback, ca);
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}
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static bool coreaudio_init_hooks(struct coreaudio_data *ca)
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{
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OSStatus stat;
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AURenderCallbackStruct callback_info = {
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.inputProc = input_callback,
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.inputProcRefCon = ca
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};
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stat = add_listener(ca, kAudioDevicePropertyDeviceIsAlive);
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if (!ca_success(stat, ca, "coreaudio_init_hooks",
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"set disconnect callback"))
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return false;
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stat = add_listener(ca, PROPERTY_FORMATS);
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if (!ca_success(stat, ca, "coreaudio_init_hooks",
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"set format change callback"))
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return false;
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if (ca->default_device) {
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AudioObjectPropertyAddress addr = {
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PROPERTY_DEFAULT_DEVICE,
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kAudioObjectPropertyScopeGlobal,
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kAudioObjectPropertyElementMaster
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};
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stat = AudioObjectAddPropertyListener(kAudioObjectSystemObject,
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&addr, notification_callback, ca);
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if (!ca_success(stat, ca, "coreaudio_init_hooks",
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"set device change callback"))
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return false;
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}
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stat = set_property(ca->unit, kAudioOutputUnitProperty_SetInputCallback,
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SCOPE_GLOBAL, 0, &callback_info, sizeof(callback_info));
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if (!ca_success(stat, ca, "coreaudio_init_hooks", "set input callback"))
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return false;
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return true;
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}
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static void coreaudio_remove_hooks(struct coreaudio_data *ca)
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{
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AURenderCallbackStruct callback_info = {
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.inputProc = NULL,
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.inputProcRefCon = NULL
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};
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AudioObjectPropertyAddress addr = {
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kAudioDevicePropertyDeviceIsAlive,
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kAudioObjectPropertyScopeGlobal,
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kAudioObjectPropertyElementMaster
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};
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AudioObjectRemovePropertyListener(ca->device_id, &addr,
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notification_callback, ca);
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addr.mSelector = PROPERTY_FORMATS;
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AudioObjectRemovePropertyListener(ca->device_id, &addr,
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notification_callback, ca);
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if (ca->default_device) {
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addr.mSelector = PROPERTY_DEFAULT_DEVICE;
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AudioObjectRemovePropertyListener(kAudioObjectSystemObject,
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&addr, notification_callback, ca);
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}
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set_property(ca->unit, kAudioOutputUnitProperty_SetInputCallback,
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SCOPE_GLOBAL, 0, &callback_info, sizeof(callback_info));
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}
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static bool coreaudio_get_device_name(struct coreaudio_data *ca)
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{
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CFStringRef cf_name = NULL;
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UInt32 size = sizeof(CFStringRef);
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char name[1024];
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const AudioObjectPropertyAddress addr = {
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kAudioDevicePropertyDeviceNameCFString,
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kAudioObjectPropertyScopeInput,
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kAudioObjectPropertyElementMaster
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};
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OSStatus stat = AudioObjectGetPropertyData(ca->device_id, &addr,
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0, NULL, &size, &cf_name);
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if (stat != noErr) {
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blog(LOG_WARNING, "[coreaudio_get_device_name] failed to "
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"get name: %d", (int)stat);
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return false;
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}
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if (!cf_to_cstr(cf_name, name, 1024)) {
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blog(LOG_WARNING, "[coreaudio_get_device_name] failed to "
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"convert name to cstr for some reason");
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return false;
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}
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bfree(ca->device_name);
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ca->device_name = bstrdup(name);
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if (cf_name)
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CFRelease(cf_name);
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return true;
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}
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static bool coreaudio_start(struct coreaudio_data *ca)
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{
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OSStatus stat;
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if (ca->active)
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return true;
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stat = AudioOutputUnitStart(ca->unit);
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return ca_success(stat, ca, "coreaudio_start", "start audio");
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}
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static void coreaudio_stop(struct coreaudio_data *ca)
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{
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OSStatus stat;
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if (!ca->active)
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return;
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ca->active = false;
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stat = AudioOutputUnitStop(ca->unit);
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ca_success(stat, ca, "coreaudio_stop", "stop audio");
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}
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static bool coreaudio_init_unit(struct coreaudio_data *ca)
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{
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AudioComponentDescription desc = {
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.componentType = kAudioUnitType_Output,
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.componentSubType = kAudioUnitSubType_HALOutput
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};
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AudioComponent component = AudioComponentFindNext(NULL, &desc);
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if (!component) {
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ca_warn(ca, "coreaudio_init_unit", "find component failed");
|
|
return false;
|
|
}
|
|
|
|
OSStatus stat = AudioComponentInstanceNew(component, &ca->unit);
|
|
if (!ca_success(stat, ca, "coreaudio_init_unit", "instance unit"))
|
|
return false;
|
|
|
|
ca->au_initialized = true;
|
|
return true;
|
|
}
|
|
|
|
static bool coreaudio_init(struct coreaudio_data *ca)
|
|
{
|
|
OSStatus stat;
|
|
|
|
if (ca->au_initialized)
|
|
return true;
|
|
|
|
if (!find_device_id_by_uid(ca))
|
|
return false;
|
|
if (!coreaudio_get_device_name(ca))
|
|
return false;
|
|
if (!coreaudio_init_unit(ca))
|
|
return false;
|
|
|
|
stat = enable_io(ca, IO_TYPE_INPUT, true);
|
|
if (!ca_success(stat, ca, "coreaudio_init", "enable input io"))
|
|
goto fail;
|
|
|
|
stat = enable_io(ca, IO_TYPE_OUTPUT, false);
|
|
if (!ca_success(stat, ca, "coreaudio_init", "disable output io"))
|
|
goto fail;
|
|
|
|
stat = set_property(ca->unit, kAudioOutputUnitProperty_CurrentDevice,
|
|
SCOPE_GLOBAL, 0, &ca->device_id, sizeof(ca->device_id));
|
|
if (!ca_success(stat, ca, "coreaudio_init", "set current device"))
|
|
goto fail;
|
|
|
|
if (!coreaudio_init_format(ca))
|
|
goto fail;
|
|
if (!coreaudio_init_buffer(ca))
|
|
goto fail;
|
|
if (!coreaudio_init_hooks(ca))
|
|
goto fail;
|
|
|
|
stat = AudioUnitInitialize(ca->unit);
|
|
if (!ca_success(stat, ca, "coreaudio_initialize", "initialize"))
|
|
goto fail;
|
|
|
|
if (!coreaudio_start(ca))
|
|
goto fail;
|
|
|
|
blog(LOG_INFO, "coreaudio: device '%s' initialized", ca->device_name);
|
|
return ca->au_initialized;
|
|
|
|
fail:
|
|
coreaudio_uninit(ca);
|
|
return false;
|
|
}
|
|
|
|
static void coreaudio_try_init(struct coreaudio_data *ca)
|
|
{
|
|
if (!coreaudio_init(ca)) {
|
|
blog(LOG_INFO, "coreaudio: failed to find device "
|
|
"uid: %s, waiting for connection",
|
|
ca->device_uid);
|
|
|
|
ca->retry_time = 2000;
|
|
|
|
if (ca->no_devices)
|
|
blog(LOG_INFO, "coreaudio: no device found");
|
|
else
|
|
coreaudio_begin_reconnect(ca);
|
|
}
|
|
}
|
|
|
|
static void coreaudio_uninit(struct coreaudio_data *ca)
|
|
{
|
|
if (!ca->au_initialized)
|
|
return;
|
|
|
|
if (ca->unit) {
|
|
coreaudio_stop(ca);
|
|
|
|
OSStatus stat = AudioUnitUninitialize(ca->unit);
|
|
ca_success(stat, ca, "coreaudio_uninit", "uninitialize");
|
|
|
|
coreaudio_remove_hooks(ca);
|
|
|
|
stat = AudioComponentInstanceDispose(ca->unit);
|
|
ca_success(stat, ca, "coreaudio_uninit", "dispose");
|
|
|
|
ca->unit = NULL;
|
|
}
|
|
|
|
ca->au_initialized = false;
|
|
|
|
buf_list_free(ca->buf_list);
|
|
ca->buf_list = NULL;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
|
|
static const char *coreaudio_input_getname(void *unused)
|
|
{
|
|
UNUSED_PARAMETER(unused);
|
|
return TEXT_AUDIO_INPUT;
|
|
}
|
|
|
|
static const char *coreaudio_output_getname(void *unused)
|
|
{
|
|
UNUSED_PARAMETER(unused);
|
|
return TEXT_AUDIO_OUTPUT;
|
|
}
|
|
|
|
static void coreaudio_shutdown(struct coreaudio_data *ca)
|
|
{
|
|
if (ca->reconnecting) {
|
|
os_event_signal(ca->exit_event);
|
|
pthread_join(ca->reconnect_thread, NULL);
|
|
os_event_reset(ca->exit_event);
|
|
}
|
|
|
|
coreaudio_uninit(ca);
|
|
|
|
if (ca->unit)
|
|
AudioComponentInstanceDispose(ca->unit);
|
|
}
|
|
|
|
static void coreaudio_destroy(void *data)
|
|
{
|
|
struct coreaudio_data *ca = data;
|
|
|
|
if (ca) {
|
|
coreaudio_shutdown(ca);
|
|
|
|
os_event_destroy(ca->exit_event);
|
|
bfree(ca->device_name);
|
|
bfree(ca->device_uid);
|
|
bfree(ca);
|
|
}
|
|
}
|
|
|
|
static void coreaudio_update(void *data, obs_data_t *settings)
|
|
{
|
|
struct coreaudio_data *ca = data;
|
|
|
|
coreaudio_shutdown(ca);
|
|
|
|
bfree(ca->device_uid);
|
|
ca->device_uid = bstrdup(obs_data_get_string(settings, "device_id"));
|
|
|
|
coreaudio_try_init(ca);
|
|
}
|
|
|
|
static void coreaudio_defaults(obs_data_t *settings)
|
|
{
|
|
obs_data_set_default_string(settings, "device_id", "default");
|
|
}
|
|
|
|
static void *coreaudio_create(obs_data_t *settings, obs_source_t *source,
|
|
bool input)
|
|
{
|
|
struct coreaudio_data *ca = bzalloc(sizeof(struct coreaudio_data));
|
|
|
|
if (os_event_init(&ca->exit_event, OS_EVENT_TYPE_MANUAL) != 0) {
|
|
blog(LOG_ERROR, "[coreaudio_create] failed to create "
|
|
"semephore: %d", errno);
|
|
bfree(ca);
|
|
return NULL;
|
|
}
|
|
|
|
ca->device_uid = bstrdup(obs_data_get_string(settings, "device_id"));
|
|
ca->source = source;
|
|
ca->input = input;
|
|
|
|
if (!ca->device_uid)
|
|
ca->device_uid = bstrdup("default");
|
|
|
|
coreaudio_try_init(ca);
|
|
return ca;
|
|
}
|
|
|
|
static void *coreaudio_create_input_capture(obs_data_t *settings,
|
|
obs_source_t *source)
|
|
{
|
|
return coreaudio_create(settings, source, true);
|
|
}
|
|
|
|
static void *coreaudio_create_output_capture(obs_data_t *settings,
|
|
obs_source_t *source)
|
|
{
|
|
return coreaudio_create(settings, source, false);
|
|
}
|
|
|
|
static obs_properties_t *coreaudio_properties(bool input)
|
|
{
|
|
obs_properties_t *props = obs_properties_create();
|
|
obs_property_t *property;
|
|
struct device_list devices;
|
|
|
|
memset(&devices, 0, sizeof(struct device_list));
|
|
|
|
property = obs_properties_add_list(props, "device_id", TEXT_DEVICE,
|
|
OBS_COMBO_TYPE_LIST, OBS_COMBO_FORMAT_STRING);
|
|
|
|
coreaudio_enum_devices(&devices, input);
|
|
|
|
if (devices.items.num)
|
|
obs_property_list_add_string(property, TEXT_DEVICE_DEFAULT,
|
|
"default");
|
|
|
|
for (size_t i = 0; i < devices.items.num; i++) {
|
|
struct device_item *item = devices.items.array+i;
|
|
obs_property_list_add_string(property,
|
|
item->name.array, item->value.array);
|
|
}
|
|
|
|
device_list_free(&devices);
|
|
return props;
|
|
}
|
|
|
|
static obs_properties_t *coreaudio_input_properties(void *unused)
|
|
{
|
|
UNUSED_PARAMETER(unused);
|
|
|
|
return coreaudio_properties(true);
|
|
}
|
|
|
|
static obs_properties_t *coreaudio_output_properties(void *unused)
|
|
{
|
|
UNUSED_PARAMETER(unused);
|
|
|
|
return coreaudio_properties(false);
|
|
}
|
|
|
|
struct obs_source_info coreaudio_input_capture_info = {
|
|
.id = "coreaudio_input_capture",
|
|
.type = OBS_SOURCE_TYPE_INPUT,
|
|
.output_flags = OBS_SOURCE_AUDIO |
|
|
OBS_SOURCE_DO_NOT_DUPLICATE,
|
|
.get_name = coreaudio_input_getname,
|
|
.create = coreaudio_create_input_capture,
|
|
.destroy = coreaudio_destroy,
|
|
.update = coreaudio_update,
|
|
.get_defaults = coreaudio_defaults,
|
|
.get_properties = coreaudio_input_properties
|
|
};
|
|
|
|
struct obs_source_info coreaudio_output_capture_info = {
|
|
.id = "coreaudio_output_capture",
|
|
.type = OBS_SOURCE_TYPE_INPUT,
|
|
.output_flags = OBS_SOURCE_AUDIO |
|
|
OBS_SOURCE_DO_NOT_DUPLICATE |
|
|
OBS_SOURCE_DO_NOT_MONITOR,
|
|
.get_name = coreaudio_output_getname,
|
|
.create = coreaudio_create_output_capture,
|
|
.destroy = coreaudio_destroy,
|
|
.update = coreaudio_update,
|
|
.get_defaults = coreaudio_defaults,
|
|
.get_properties = coreaudio_output_properties
|
|
};
|