mirror of
https://github.com/mpv-player/mpv
synced 2024-12-26 00:42:57 +00:00
7c032bde3e
ao_coreaudio (using AudioUnit) accounted only for part of the latency - move the code in ao_coreaudio_exclusive to utils, and use that for the AudioUnit code. (There's still the question why CoreAudio and AudioUnit require you to jump through hoops this much, but apparently that's how it is.)
82 lines
3.2 KiB
C
82 lines
3.2 KiB
C
/*
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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 "common/msg.h"
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#include "audio/out/ao.h"
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#include "internal.h"
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#define CA_CFSTR_ENCODING kCFStringEncodingASCII
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CFStringRef cfstr_from_cstr(char *str);
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char *cfstr_get_cstr(CFStringRef cfstr);
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char *fourcc_repr_buf(char *buf, size_t buf_size, uint32_t code);
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#define fourcc_repr(code) fourcc_repr_buf((char[40]){0}, 40, code)
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bool check_ca_st(struct ao *ao, 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(ao, 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(ao, MSGL_WARN, err, message)
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#define CHECK_CA_ERROR_SILENT_L(label) \
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do { \
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if (err != noErr) goto label; \
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} while (0)
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void ca_get_device_list(struct ao *ao, struct ao_device_list *list);
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OSStatus ca_select_device(struct ao *ao, char* name, AudioDeviceID *device);
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bool ca_formatid_is_compressed(uint32_t formatid);
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void ca_fill_asbd(struct ao *ao, AudioStreamBasicDescription *asbd);
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void ca_print_asbd(struct ao *ao, const char *description,
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const AudioStreamBasicDescription *asbd);
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bool ca_asbd_equals(const AudioStreamBasicDescription *a,
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const AudioStreamBasicDescription *b);
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int ca_asbd_to_mp_format(const AudioStreamBasicDescription *asbd);
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bool ca_asbd_is_better(AudioStreamBasicDescription *req,
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AudioStreamBasicDescription *old,
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AudioStreamBasicDescription *new);
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int64_t ca_frames_to_us(struct ao *ao, uint32_t frames);
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int64_t ca_get_latency(const AudioTimeStamp *ts);
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bool ca_device_supports_compressed(struct ao *ao, AudioDeviceID device);
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bool ca_stream_supports_compressed(struct ao *ao, AudioStreamID stream);
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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(struct ao *ao, AudioDeviceID device, bool *changed);
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OSStatus ca_enable_mixing(struct ao *ao, AudioDeviceID device, bool changed);
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int64_t ca_get_device_latency_us(struct ao *ao, AudioDeviceID device);
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bool ca_change_physical_format_sync(struct ao *ao, AudioStreamID stream,
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AudioStreamBasicDescription change_format);
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#endif /* MPV_COREAUDIO_UTILS_H */
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