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https://github.com/libretro/RetroArch.git
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90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2017 - Daniel De Matteis
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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 __AUDIO_DEFINES__H
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#define __AUDIO_DEFINES__H
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#include <retro_common_api.h>
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RETRO_BEGIN_DECLS
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#define AUDIO_CHUNK_SIZE_BLOCKING 512
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/* So we don't get complete line-noise when fast-forwarding audio. */
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#define AUDIO_CHUNK_SIZE_NONBLOCKING 2048
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#define AUDIO_MAX_RATIO 16
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#define AUDIO_MIXER_MAX_STREAMS 16
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#define AUDIO_MIXER_MAX_SYSTEM_STREAMS (AUDIO_MIXER_MAX_STREAMS + 5)
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/* do not define more than (MAX_SYSTEM_STREAMS - MAX_STREAMS) */
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enum audio_mixer_system_slot
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{
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AUDIO_MIXER_SYSTEM_SLOT_OK = AUDIO_MIXER_MAX_STREAMS,
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AUDIO_MIXER_SYSTEM_SLOT_CANCEL,
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AUDIO_MIXER_SYSTEM_SLOT_NOTICE,
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AUDIO_MIXER_SYSTEM_SLOT_BGM,
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AUDIO_MIXER_SYSTEM_SLOT_ACHIEVEMENT_UNLOCK
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};
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enum audio_action
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{
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AUDIO_ACTION_NONE = 0,
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AUDIO_ACTION_RATE_CONTROL_DELTA,
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AUDIO_ACTION_MIXER_MUTE_ENABLE,
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AUDIO_ACTION_MUTE_ENABLE,
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AUDIO_ACTION_VOLUME_GAIN,
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AUDIO_ACTION_MIXER_VOLUME_GAIN,
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AUDIO_ACTION_MIXER
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};
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enum audio_mixer_slot_selection_type
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{
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AUDIO_MIXER_SLOT_SELECTION_AUTOMATIC = 0,
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AUDIO_MIXER_SLOT_SELECTION_MANUAL
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};
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enum audio_mixer_stream_type
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{
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AUDIO_STREAM_TYPE_NONE = 0,
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AUDIO_STREAM_TYPE_USER,
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AUDIO_STREAM_TYPE_SYSTEM
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};
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enum audio_mixer_state
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{
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AUDIO_STREAM_STATE_NONE = 0,
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AUDIO_STREAM_STATE_STOPPED,
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AUDIO_STREAM_STATE_PLAYING,
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AUDIO_STREAM_STATE_PLAYING_LOOPED,
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AUDIO_STREAM_STATE_PLAYING_SEQUENTIAL
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};
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typedef struct audio_statistics
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{
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unsigned samples;
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float average_buffer_saturation;
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float std_deviation_percentage;
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float close_to_underrun;
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float close_to_blocking;
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} audio_statistics_t;
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RETRO_END_DECLS
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#endif
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