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/*
* This file is part of mpv.
* Copyright (c) 2013 Stefano Pigozzi <stefano.pigozzi@gmail.com>
*
* 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/>.
*/
#ifndef MPV_COREAUDIO_UTILS_H
#define MPV_COREAUDIO_UTILS_H
#include <AudioToolbox/AudioToolbox.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
char *fourcc_repr(void *talloc_ctx, uint32_t code);
bool check_ca_st(int level, OSStatus code, const char *message);
#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)
#define CHECK_CA_WARN(message) check_ca_st(MSGL_WARN, err, message)
void ca_print_asbd(const char *description,
const AudioStreamBasicDescription *asbd);
bool ca_format_is_digital(AudioStreamBasicDescription asbd);
bool ca_stream_supports_digital(AudioStreamID stream);
bool ca_device_supports_digital(AudioDeviceID device);
OSStatus ca_property_listener(AudioObjectPropertySelector selector,
AudioObjectID object, uint32_t n_addresses,
const AudioObjectPropertyAddress addresses[],
void *data);
OSStatus ca_stream_listener(AudioObjectID object, uint32_t n_addresses,
const AudioObjectPropertyAddress addresses[],
void *data);
OSStatus ca_device_listener(AudioObjectID object, uint32_t n_addresses,
const AudioObjectPropertyAddress addresses[],
void *data);
OSStatus ca_lock_device(AudioDeviceID device, pid_t *pid);
OSStatus ca_unlock_device(AudioDeviceID device, pid_t *pid);
OSStatus ca_disable_mixing(AudioDeviceID device, bool *changed);
OSStatus ca_enable_mixing(AudioDeviceID device, bool changed);
OSStatus ca_enable_device_listener(AudioDeviceID device, void *flag);
OSStatus ca_disable_device_listener(AudioDeviceID device, void *flag);
bool ca_change_format(AudioStreamID stream,
AudioStreamBasicDescription change_format);
bool ca_bitmap_from_ch_descriptions(AudioChannelLayout layout,
uint32_t *bitmap);
bool ca_bitmap_from_ch_tag(AudioChannelLayout layout, uint32_t *bitmap);
#endif /* MPV_COREAUDIO_UTILS_H */
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