mirror of
https://github.com/libretro/RetroArch
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58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2023 The RetroArch team
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the 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 with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _RETROARCH_ALSA
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#define _RETROARCH_ALSA
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#include <boolean.h>
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#include <queues/fifo_queue.h>
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#include <rthreads/rthreads.h>
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/* Header file for common functions that are used by alsa and alsathread. */
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/**
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* Used for info that's common to all pcm devices
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* that's relevant for our purposes.
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*/
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typedef struct alsa_stream_info
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{
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size_t buffer_size;
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size_t period_size;
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snd_pcm_uframes_t period_frames;
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unsigned int frame_bits;
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bool has_float;
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bool can_pause;
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} alsa_stream_info_t;
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int alsa_init_pcm(snd_pcm_t **pcm,
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const char* device,
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snd_pcm_stream_t stream,
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unsigned rate,
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unsigned latency,
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unsigned channels,
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alsa_stream_info_t *stream_info,
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unsigned *new_rate,
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int mode);
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void alsa_free_pcm(snd_pcm_t *pcm);
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void *alsa_device_list_new(void *data);
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struct string_list *alsa_device_list_type_new(const char* type);
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void alsa_device_list_free(void *data, void *array_list_data);
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bool alsa_start_pcm(snd_pcm_t *pcm);
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bool alsa_stop_pcm(snd_pcm_t *pcm);
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#endif /* _RETROARCH_ALSA */
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