diff options
Diffstat (limited to 'audio')
| -rw-r--r-- | audio/out/ao_coreaudio.c | 321 | ||||
| -rw-r--r-- | audio/out/ao_coreaudio_common.c | 304 |
2 files changed, 315 insertions, 310 deletions
diff --git a/audio/out/ao_coreaudio.c b/audio/out/ao_coreaudio.c index 6b71aec339..4986e3a817 100644 --- a/audio/out/ao_coreaudio.c +++ b/audio/out/ao_coreaudio.c @@ -32,18 +32,9 @@ * when you are wanting to do good buffering of audio). */ -#include <CoreServices/CoreServices.h> -#include <AudioUnit/AudioUnit.h> -#include <AudioToolbox/AudioToolbox.h> -#include <stdio.h> -#include <string.h> -#include <stdlib.h> -#include <inttypes.h> -#include <sys/types.h> -#include <unistd.h> - #include "config.h" -#include "core/mp_msg.h" + +#include "audio/out/ao_coreaudio_common.c" #include "ao.h" #include "audio/format.h" @@ -51,8 +42,6 @@ #include "core/subopt-helper.h" #include "core/mp_ring.h" -#define ca_msg(a, b ...) mp_msg(MSGT_AO, a, "AO: [coreaudio] " b) - static void audio_pause(struct ao *ao); static void audio_resume(struct ao *ao); static void reset(struct ao *ao); @@ -64,47 +53,6 @@ static void print_buffer(struct mp_ring *buffer) talloc_free(tctx); } -static bool check_ca_st(int level, OSStatus code, const char *message) -{ - if (code == noErr) return true; - - // Extract FourCC letters from the uint32_t and finde out if it's a valid - // code that is made of letters. - char fcc[4] = { - (code >> 24) & 0xFF, - (code >> 16) & 0xFF, - (code >> 8) & 0xFF, - code & 0xFF, - }; - - bool valid_fourcc = true; - for (int i = 0; i < 4; i++) - if (!isprint(fcc[i])) - valid_fourcc = false; - - char *error_string; - if (valid_fourcc) - error_string = - talloc_asprintf(NULL, "'%c%c%c%c'", fcc[0], fcc[1], fcc[2], fcc[3]); - else - error_string = talloc_asprintf(NULL, "%d", code); - - ca_msg(level, "%s (%s)\n", message, error_string); - - talloc_free(error_string); - - return false; -} - -#define CHECK_CA_ERROR_L(label, message) \ - do { \ - if (!check_ca_st(MSGL_ERR, err, message)) { \ - goto label; \ - } \ - } while (0) - -#define CHECK_CA_ERROR(message) CHECK_CA_ERROR_L(coreaudio_error, message) - struct priv { AudioDeviceID i_selected_dev; /* Keeps DeviceID of the selected device. */ @@ -229,151 +177,9 @@ coreaudio_error: return CONTROL_ERROR; } - -static void print_format(int lev, const char *str, - const AudioStreamBasicDescription *f) -{ - uint32_t flags = (uint32_t) f->mFormatFlags; - ca_msg(lev, - "%s %7.1fHz %" PRIu32 "bit [%c%c%c%c][%" PRIu32 "][%" PRIu32 "][%" PRIu32 "][%" PRIu32 "][%" PRIu32 "] %s %s %s%s%s%s\n", - str, f->mSampleRate, f->mBitsPerChannel, - (int)(f->mFormatID & 0xff000000) >> 24, - (int)(f->mFormatID & 0x00ff0000) >> 16, - (int)(f->mFormatID & 0x0000ff00) >> 8, - (int)(f->mFormatID & 0x000000ff) >> 0, - f->mFormatFlags, f->mBytesPerPacket, - f->mFramesPerPacket, f->mBytesPerFrame, - f->mChannelsPerFrame, - (flags & kAudioFormatFlagIsFloat) ? "float" : "int", - (flags & kAudioFormatFlagIsBigEndian) ? "BE" : "LE", - (flags & kAudioFormatFlagIsSignedInteger) ? "S" : "U", - (flags & kAudioFormatFlagIsPacked) ? " packed" : "", - (flags & kAudioFormatFlagIsAlignedHigh) ? " aligned" : "", - (flags & kAudioFormatFlagIsNonInterleaved) ? " ni" : ""); -} - -static OSStatus GetAudioProperty(AudioObjectID id, - AudioObjectPropertySelector selector, - UInt32 outSize, void *outData) -{ - AudioObjectPropertyAddress p_addr; - - p_addr.mSelector = selector; - p_addr.mScope = kAudioObjectPropertyScopeGlobal; - p_addr.mElement = kAudioObjectPropertyElementMaster; - - return AudioObjectGetPropertyData(id, &p_addr, 0, NULL, &outSize, - outData); -} - -static UInt32 GetAudioPropertyArray(AudioObjectID id, - AudioObjectPropertySelector selector, - AudioObjectPropertyScope scope, - void **data) -{ - OSStatus err; - AudioObjectPropertyAddress p_addr; - UInt32 p_size; - - p_addr.mSelector = selector; - p_addr.mScope = scope; - p_addr.mElement = kAudioObjectPropertyElementMaster; - - err = AudioObjectGetPropertyDataSize(id, &p_addr, 0, NULL, &p_size); - CHECK_CA_ERROR("Can't fetch property size"); - - *data = malloc(p_size); - - err = AudioObjectGetPropertyData(id, &p_addr, 0, NULL, &p_size, *data); - CHECK_CA_ERROR_L(coreaudio_error_free, "Can't fetch property data %s"); - - return p_size; - -coreaudio_error_free: - free(*data); -coreaudio_error: - return 0; -} - -static UInt32 GetGlobalAudioPropertyArray(AudioObjectID id, - AudioObjectPropertySelector selector, - void **outData) -{ - return GetAudioPropertyArray(id, selector, kAudioObjectPropertyScopeGlobal, - outData); -} - -static OSStatus GetAudioPropertyString(AudioObjectID id, - AudioObjectPropertySelector selector, - char **outData) -{ - OSStatus err; - AudioObjectPropertyAddress property_address; - UInt32 i_param_size; - CFStringRef string; - CFIndex string_length; - - property_address.mSelector = selector; - property_address.mScope = kAudioObjectPropertyScopeGlobal; - property_address.mElement = kAudioObjectPropertyElementMaster; - - i_param_size = sizeof(CFStringRef); - err = AudioObjectGetPropertyData(id, &property_address, 0, NULL, - &i_param_size, &string); - if (err != noErr) - return err; - - string_length = CFStringGetMaximumSizeForEncoding(CFStringGetLength(string), - kCFStringEncodingASCII); - *outData = malloc(string_length + 1); - CFStringGetCString(string, *outData, string_length + 1, - kCFStringEncodingASCII); - - CFRelease(string); - - return err; -} - -static OSStatus SetAudioProperty(AudioObjectID id, - AudioObjectPropertySelector selector, - UInt32 inDataSize, void *inData) -{ - AudioObjectPropertyAddress p_addr; - - p_addr.mSelector = selector; - p_addr.mScope = kAudioObjectPropertyScopeGlobal; - p_addr.mElement = kAudioObjectPropertyElementMaster; - - return AudioObjectSetPropertyData(id, &p_addr, 0, NULL, - inDataSize, inData); -} - -static Boolean IsAudioPropertySettable(AudioObjectID id, - AudioObjectPropertySelector selector, - Boolean *outData) -{ - AudioObjectPropertyAddress p_addr; - - p_addr.mSelector = selector; - p_addr.mScope = kAudioObjectPropertyScopeGlobal; - p_addr.mElement = kAudioObjectPropertyElementMaster; - - return AudioObjectIsPropertySettable(id, &p_addr, outData); -} - -static int AudioDeviceSupportsDigital(AudioDeviceID i_dev_id); -static int AudioStreamSupportsDigital(AudioStreamID i_stream_id); static int OpenSPDIF(struct ao *ao); static int AudioStreamChangeFormat(AudioStreamID i_stream_id, AudioStreamBasicDescription change_format); -static OSStatus StreamListener(AudioObjectID inObjectID, - UInt32 inNumberAddresses, - const AudioObjectPropertyAddress inAddresses[], - void *inClientData); -static OSStatus DeviceListener(AudioObjectID inObjectID, - UInt32 inNumberAddresses, - const AudioObjectPropertyAddress inAddresses[], - void *inClientData); static void print_help(void) { @@ -544,7 +350,7 @@ static int init(struct ao *ao, char *params) inDesc.mFramesPerPacket * ao->channels.num * (inDesc.mBitsPerChannel / 8); - print_format(MSGL_V, "source:", &inDesc); + ca_print_asbd("source format:", &inDesc); if (p->b_supports_digital) { b_alive = 1; @@ -839,7 +645,7 @@ static int OpenSPDIF(struct ao *ao) goto err_out; } - print_format(MSGL_V, "original stream format:", &p->sfmt_revert); + ca_print_asbd("original stream format:", &p->sfmt_revert); if (!AudioStreamChangeFormat(p->i_stream_id, p->stream_format)) goto err_out; @@ -848,10 +654,11 @@ static int OpenSPDIF(struct ao *ao) p_addr.mScope = kAudioObjectPropertyScopeGlobal; p_addr.mElement = kAudioObjectPropertyElementMaster; + const int *stream_format_changed = &(p->b_stream_format_changed); err = AudioObjectAddPropertyListener(p->i_selected_dev, &p_addr, - DeviceListener, - NULL); + ca_device_listener, + (void *)stream_format_changed); if (err != noErr) ca_msg(MSGL_WARN, "AudioDeviceAddPropertyListener for kAudioDevicePropertyDeviceHasChanged failed: [%4.4s]\n", @@ -926,73 +733,6 @@ err_out: } /***************************************************************************** -* AudioDeviceSupportsDigital: Check i_dev_id for digital stream support. -*****************************************************************************/ -static int AudioDeviceSupportsDigital(AudioDeviceID i_dev_id) -{ - UInt32 i_param_size = 0; - AudioStreamID *p_streams = NULL; - int i = 0, i_streams = 0; - int b_return = CONTROL_FALSE; - - /* Retrieve all the output streams. */ - i_param_size = GetAudioPropertyArray(i_dev_id, - kAudioDevicePropertyStreams, - kAudioDevicePropertyScopeOutput, - (void **)&p_streams); - - if (!i_param_size) { - ca_msg(MSGL_WARN, "could not get number of streams.\n"); - return CONTROL_FALSE; - } - - i_streams = i_param_size / sizeof(AudioStreamID); - - for (i = 0; i < i_streams; ++i) { - if (AudioStreamSupportsDigital(p_streams[i])) - b_return = CONTROL_OK; - } - - free(p_streams); - return b_return; -} - -/***************************************************************************** -* AudioStreamSupportsDigital: Check i_stream_id for digital stream support. -*****************************************************************************/ -static int AudioStreamSupportsDigital(AudioStreamID i_stream_id) -{ - UInt32 i_param_size; - AudioStreamRangedDescription *p_format_list = NULL; - int i, i_formats, b_return = CONTROL_FALSE; - - /* Retrieve all the stream formats supported by each output stream. */ - i_param_size = GetGlobalAudioPropertyArray(i_stream_id, - kAudioStreamPropertyAvailablePhysicalFormats, - (void **)&p_format_list); - - if (!i_param_size) { - ca_msg(MSGL_WARN, "Could not get number of stream formats.\n"); - return CONTROL_FALSE; - } - - i_formats = i_param_size / sizeof(AudioStreamRangedDescription); - - for (i = 0; i < i_formats; ++i) { - print_format(MSGL_V, "supported format:", &(p_format_list[i].mFormat)); - - if (p_format_list[i].mFormat.mFormatID == 'IAC3' || - p_format_list[i].mFormat.mFormatID == 'iac3' || - p_format_list[i].mFormat.mFormatID == kAudioFormat60958AC3 || - p_format_list[i].mFormat.mFormatID == kAudioFormatAC3) - b_return = CONTROL_OK; - } - - free(p_format_list); - return b_return; -} - -/***************************************************************************** * AudioStreamChangeFormat: Change i_stream_id to change_format *****************************************************************************/ static int AudioStreamChangeFormat(AudioStreamID i_stream_id, @@ -1005,7 +745,7 @@ static int AudioStreamChangeFormat(AudioStreamID i_stream_id, static volatile int stream_format_changed; stream_format_changed = 0; - print_format(MSGL_V, "setting stream format:", &change_format); + ca_print_asbd("setting stream format:", &change_format); /* Install the callback. */ p_addr.mSelector = kAudioStreamPropertyPhysicalFormat; @@ -1014,7 +754,7 @@ static int AudioStreamChangeFormat(AudioStreamID i_stream_id, err = AudioObjectAddPropertyListener(i_stream_id, &p_addr, - StreamListener, + ca_stream_listener, (void *)&stream_format_changed); if (err != noErr) { ca_msg(MSGL_WARN, @@ -1052,7 +792,7 @@ static int AudioStreamChangeFormat(AudioStreamID i_stream_id, sizeof(AudioStreamBasicDescription), &actual_format); - print_format(MSGL_V, "actual format in use:", &actual_format); + ca_print_asbd("actual format in use:", &actual_format); if (actual_format.mSampleRate == change_format.mSampleRate && actual_format.mFormatID == change_format.mFormatID && actual_format.mFramesPerPacket == change_format.mFramesPerPacket) { @@ -1065,7 +805,7 @@ static int AudioStreamChangeFormat(AudioStreamID i_stream_id, /* Removing the property listener. */ err = AudioObjectRemovePropertyListener(i_stream_id, &p_addr, - StreamListener, + ca_stream_listener, (void *)&stream_format_changed); if (err != noErr) { ca_msg(MSGL_WARN, @@ -1248,45 +988,6 @@ static void audio_resume(struct ao *ao) p->paused = 0; } -/***************************************************************************** -* StreamListener -*****************************************************************************/ -static OSStatus StreamListener(AudioObjectID inObjectID, - UInt32 inNumberAddresses, - const AudioObjectPropertyAddress inAddresses[], - void *inClientData) -{ - for (int i = 0; i < inNumberAddresses; ++i) { - if (inAddresses[i].mSelector == kAudioStreamPropertyPhysicalFormat) { - ca_msg(MSGL_WARN, - "got notify kAudioStreamPropertyPhysicalFormat changed.\n"); - if (inClientData) - *(volatile int *)inClientData = 1; - break; - } - } - return noErr; -} - -static OSStatus DeviceListener(AudioObjectID inObjectID, - UInt32 inNumberAddresses, - const AudioObjectPropertyAddress inAddresses[], - void *inClientData) -{ - struct ao *ao = inClientData; - struct priv *p = ao->priv; - - for (int i = 0; i < inNumberAddresses; ++i) { - if (inAddresses[i].mSelector == kAudioDevicePropertyDeviceHasChanged) { - ca_msg(MSGL_WARN, - "got notify kAudioDevicePropertyDeviceHasChanged.\n"); - p->b_stream_format_changed = 1; - break; - } - } - return noErr; -} - const struct ao_driver audio_out_coreaudio = { .info = &(const struct ao_info) { "CoreAudio (Native OS X Audio Output)", diff --git a/audio/out/ao_coreaudio_common.c b/audio/out/ao_coreaudio_common.c new file mode 100644 index 0000000000..56bb99314f --- /dev/null +++ b/audio/out/ao_coreaudio_common.c @@ -0,0 +1,304 @@ +/* + * This file is part of mpv. + * + * mpv is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * mpv is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with mpv. If not, see <http://www.gnu.org/licenses/>. + */ + +/* + * This file contains functions interacting with the CoreAudio framework + * that are not specific to the AUHAL. These are split in a separate file for + * the sake of readability. In the future the could be used by other AOs based + * on CoreAudio but not the AUHAL (such as using AudioQueue services). + */ + +#include <AudioToolbox/AudioToolbox.h> +#include <AudioUnit/AudioUnit.h> +#include <inttypes.h> +#include <stdbool.h> +#include "core/mp_msg.h" + +#define ca_msg(a, b ...) mp_msg(MSGT_AO, a, "AO: [coreaudio] " b) +#define CA_CFSTR_ENCODING kCFStringEncodingASCII + +static char *fourcc_repr(void *talloc_ctx, uint32_t code) +{ + // Extract FourCC letters from the uint32_t and finde out if it's a valid + // code that is made of letters. + char fcc[4] = { + (code >> 24) & 0xFF, + (code >> 16) & 0xFF, + (code >> 8) & 0xFF, + code & 0xFF, + }; + + bool valid_fourcc = true; + for (int i = 0; i < 4; i++) + if (!isprint(fcc[i])) + valid_fourcc = false; + + char *repr; + if (valid_fourcc) + repr = talloc_asprintf(talloc_ctx, "'%c%c%c%c'", + fcc[0], fcc[1], fcc[2], fcc[3]); + else + repr = talloc_asprintf(NULL, "%d", code); + + return repr; +} + +static bool check_ca_st(int level, OSStatus code, const char *message) +{ + if (code == noErr) return true; + + char *error_string = fourcc_repr(NULL, code); + ca_msg(level, "%s (%s)\n", message, error_string); + talloc_free(error_string); + + return false; +} + +#define CHECK_CA_ERROR_L(label, message) \ + do { \ + if (!check_ca_st(MSGL_ERR, err, message)) { \ + goto label; \ + } \ + } while (0) + +#define CHECK_CA_ERROR(message) CHECK_CA_ERROR_L(coreaudio_error, message) + +static void ca_print_asbd(const char *description, + const AudioStreamBasicDescription *asbd) +{ + uint32_t flags = asbd->mFormatFlags; + char *format = fourcc_repr(NULL, asbd->mFormatID); + + ca_msg(MSGL_V, + "%s %7.1fHz %" PRIu32 "bit [%s]" + "[%" PRIu32 "][%" PRIu32 "][%" PRIu32 "]" + "[%" PRIu32 "][%" PRIu32 "] " + "%s %s %s%s%s%s\n", + description, asbd->mSampleRate, asbd->mBitsPerChannel, format, + asbd->mFormatFlags, asbd->mBytesPerPacket, asbd->mFramesPerPacket, + asbd->mBytesPerFrame, asbd->mChannelsPerFrame, + (flags & kAudioFormatFlagIsFloat) ? "float" : "int", + (flags & kAudioFormatFlagIsBigEndian) ? "BE" : "LE", + (flags & kAudioFormatFlagIsSignedInteger) ? "S" : "U", + (flags & kAudioFormatFlagIsPacked) ? " packed" : "", + (flags & kAudioFormatFlagIsAlignedHigh) ? " aligned" : "", + (flags & kAudioFormatFlagIsNonInterleaved) ? " P" : ""); + + talloc_free(format); +} + +static OSStatus GetAudioProperty(AudioObjectID id, + AudioObjectPropertySelector selector, + UInt32 outSize, void *outData) +{ + AudioObjectPropertyAddress p_addr; + + p_addr.mSelector = selector; + p_addr.mScope = kAudioObjectPropertyScopeGlobal; + p_addr.mElement = kAudioObjectPropertyElementMaster; + + return AudioObjectGetPropertyData(id, &p_addr, 0, NULL, &outSize, + outData); +} + +static UInt32 GetAudioPropertyArray(AudioObjectID id, + AudioObjectPropertySelector selector, + AudioObjectPropertyScope scope, + void **data) +{ + OSStatus err; + AudioObjectPropertyAddress p_addr; + UInt32 p_size; + + p_addr.mSelector = selector; + p_addr.mScope = scope; + p_addr.mElement = kAudioObjectPropertyElementMaster; + + err = AudioObjectGetPropertyDataSize(id, &p_addr, 0, NULL, &p_size); + CHECK_CA_ERROR("Can't fetch property size"); + + *data = malloc(p_size); + + err = AudioObjectGetPropertyData(id, &p_addr, 0, NULL, &p_size, *data); + CHECK_CA_ERROR_L(coreaudio_error_free, "Can't fetch property data %s"); + + return p_size; + +coreaudio_error_free: + free(*data); +coreaudio_error: + return 0; +} + +static UInt32 GetGlobalAudioPropertyArray(AudioObjectID id, + AudioObjectPropertySelector selector, + void **outData) +{ + return GetAudioPropertyArray(id, selector, kAudioObjectPropertyScopeGlobal, + outData); +} + +static OSStatus GetAudioPropertyString(AudioObjectID id, + AudioObjectPropertySelector selector, + char **data) +{ + OSStatus err; + AudioObjectPropertyAddress p_addr; + UInt32 p_size = sizeof(CFStringRef); + CFStringRef string; + + p_addr.mSelector = selector; + p_addr.mScope = kAudioObjectPropertyScopeGlobal; + p_addr.mElement = kAudioObjectPropertyElementMaster; + + err = AudioObjectGetPropertyData(id, &p_addr, 0, NULL, &p_size, &string); + CHECK_CA_ERROR("Can't fetch array property"); + + CFIndex size = + CFStringGetMaximumSizeForEncoding( + CFStringGetLength(string), CA_CFSTR_ENCODING) + 1; + + *data = malloc(size); + CFStringGetCString(string, *data, size, CA_CFSTR_ENCODING); + CFRelease(string); +coreaudio_error: + return err; +} + +static OSStatus SetAudioProperty(AudioObjectID id, + AudioObjectPropertySelector selector, + UInt32 inDataSize, void *inData) +{ + AudioObjectPropertyAddress p_addr; + + p_addr.mSelector = selector; + p_addr.mScope = kAudioObjectPropertyScopeGlobal; + p_addr.mElement = kAudioObjectPropertyElementMaster; + + return AudioObjectSetPropertyData(id, &p_addr, 0, NULL, + inDataSize, inData); +} + +static Boolean IsAudioPropertySettable(AudioObjectID id, + AudioObjectPropertySelector selector, + Boolean *outData) +{ + AudioObjectPropertyAddress p_addr; + + p_addr.mSelector = selector; + p_addr.mScope = kAudioObjectPropertyScopeGlobal; + p_addr.mElement = kAudioObjectPropertyElementMaster; + + return AudioObjectIsPropertySettable(id, &p_addr, outData); +} + +static int AudioStreamSupportsDigital(AudioStreamID stream) +{ + AudioStreamRangedDescription *formats = NULL; + + /* Retrieve all the stream formats supported by each output stream. */ + uint32_t size = + GetGlobalAudioPropertyArray(stream, + kAudioStreamPropertyAvailablePhysicalFormats, + (void **)&formats); + + if (!size) { + ca_msg(MSGL_WARN, "Could not get number of stream formats.\n"); + return CONTROL_FALSE; + } + + const int n_formats = size / sizeof(AudioStreamRangedDescription); + for (int i = 0; i < n_formats; ++i) { + AudioStreamBasicDescription asbd = formats[i].mFormat; + ca_print_asbd("supported format:", &(asbd)); + + switch (asbd.mFormatID) + case 'IAC3': + case 'iac3': + case kAudioFormat60958AC3: + case kAudioFormatAC3: + free(formats); + return CONTROL_OK; + } + + free(formats); + return CONTROL_FALSE; +} + +static int AudioDeviceSupportsDigital(AudioDeviceID device) +{ + AudioStreamID *streams = NULL; + + /* Retrieve all the output streams. */ + uint32_t size = GetAudioPropertyArray(device, + kAudioDevicePropertyStreams, + kAudioDevicePropertyScopeOutput, + (void **)&streams); + + if (!size) { + ca_msg(MSGL_WARN, "could not get number of streams.\n"); + return CONTROL_FALSE; + } + + const int n_streams = size / sizeof(AudioStreamID); + for (int i = 0; i < n_streams; ++i) { + if (AudioStreamSupportsDigital(streams[i])) { + free(streams); + return CONTROL_OK; + } + } + + free(streams); + return CONTROL_FALSE; +} + +static OSStatus ca_property_listener(AudioObjectPropertySelector selector, + AudioObjectID object, uint32_t n_addresses, + const AudioObjectPropertyAddress addresses[], + void *data) +{ + // TODO: ++i seems wrong in this context. Check out if it was a programmer + // mistake + void *talloc_ctx = talloc_new(NULL); + + for (int i = 0; i < n_addresses; ++i) { + if (addresses[i].mSelector == selector) { + ca_msg(MSGL_WARN, "event: property %s changed", + fourcc_repr(talloc_ctx, selector)); + if (data) *(volatile int *)data = 1; + break; + } + } + talloc_free(talloc_ctx); + return noErr; +} + +static OSStatus ca_stream_listener(AudioObjectID object, uint32_t n_addresses, + const AudioObjectPropertyAddress addresses[], + void *data) +{ + return ca_property_listener(kAudioStreamPropertyPhysicalFormat, + object, n_addresses, addresses, data); +} + +static OSStatus ca_device_listener(AudioObjectID object, uint32_t n_addresses, + const AudioObjectPropertyAddress addresses[], + void *data) +{ + return ca_property_listener(kAudioDevicePropertyDeviceHasChanged, + object, n_addresses, addresses, data); +} |