diff options
Diffstat (limited to 'audio/out/ao_coreaudio_utils.h')
-rw-r--r-- | audio/out/ao_coreaudio_utils.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/audio/out/ao_coreaudio_utils.h b/audio/out/ao_coreaudio_utils.h new file mode 100644 index 0000000000..dd68ed1082 --- /dev/null +++ b/audio/out/ao_coreaudio_utils.h @@ -0,0 +1,77 @@ +/* + * 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); + +int AudioFormatIsDigital(AudioStreamBasicDescription asbd); +int AudioStreamSupportsDigital(AudioStreamID stream); +int AudioDeviceSupportsDigital(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); + +int AudioStreamChangeFormat(AudioStreamID i_stream_id, + 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 */ |