mirror of https://github.com/mpv-player/mpv
78 lines
3.0 KiB
C
78 lines
3.0 KiB
C
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/*
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* This file is part of mpv.
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* Copyright (c) 2013 Stefano Pigozzi <stefano.pigozzi@gmail.com>
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*
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* mpv is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* mpv is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MPV_COREAUDIO_UTILS_H
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#define MPV_COREAUDIO_UTILS_H
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#include <AudioToolbox/AudioToolbox.h>
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#include <inttypes.h>
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#include <stdbool.h>
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#include "core/mp_msg.h"
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#define ca_msg(a, b ...) mp_msg(MSGT_AO, a, "AO: [coreaudio] " b)
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#define CA_CFSTR_ENCODING kCFStringEncodingASCII
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char *fourcc_repr(void *talloc_ctx, uint32_t code);
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bool check_ca_st(int level, OSStatus code, const char *message);
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#define CHECK_CA_ERROR_L(label, message) \
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do { \
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if (!check_ca_st(MSGL_ERR, err, message)) { \
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goto label; \
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} \
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} while (0)
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#define CHECK_CA_ERROR(message) CHECK_CA_ERROR_L(coreaudio_error, message)
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#define CHECK_CA_WARN(message) check_ca_st(MSGL_WARN, err, message)
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void ca_print_asbd(const char *description,
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const AudioStreamBasicDescription *asbd);
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int AudioFormatIsDigital(AudioStreamBasicDescription asbd);
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int AudioStreamSupportsDigital(AudioStreamID stream);
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int AudioDeviceSupportsDigital(AudioDeviceID device);
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OSStatus ca_property_listener(AudioObjectPropertySelector selector,
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AudioObjectID object, uint32_t n_addresses,
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const AudioObjectPropertyAddress addresses[],
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void *data);
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OSStatus ca_stream_listener(AudioObjectID object, uint32_t n_addresses,
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const AudioObjectPropertyAddress addresses[],
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void *data);
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OSStatus ca_device_listener(AudioObjectID object, uint32_t n_addresses,
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const AudioObjectPropertyAddress addresses[],
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void *data);
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OSStatus ca_lock_device(AudioDeviceID device, pid_t *pid);
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OSStatus ca_unlock_device(AudioDeviceID device, pid_t *pid);
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OSStatus ca_disable_mixing(AudioDeviceID device, bool *changed);
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OSStatus ca_enable_mixing(AudioDeviceID device, bool changed);
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OSStatus ca_enable_device_listener(AudioDeviceID device, void *flag);
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OSStatus ca_disable_device_listener(AudioDeviceID device, void *flag);
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int AudioStreamChangeFormat(AudioStreamID i_stream_id,
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AudioStreamBasicDescription change_format);
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bool ca_bitmap_from_ch_descriptions(AudioChannelLayout layout,
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uint32_t *bitmap);
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bool ca_bitmap_from_ch_tag(AudioChannelLayout layout, uint32_t *bitmap);
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#endif /* MPV_COREAUDIO_UTILS_H */
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