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99 lines
2.7 KiB
C
99 lines
2.7 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2016 - Daniel De Matteis
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* Copyright (C) 2012-2015 - Michael Lelli
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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 _RETRO_IMPLEMENTATION_V1_H
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#define _RETRO_IMPLEMENTATION_V1_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "libretro.h"
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enum
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{
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/* Polling is performed before call to retro_run */
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POLL_TYPE_EARLY = 0,
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/* Polling is performed when requested. */
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POLL_TYPE_NORMAL,
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/* Polling is performed on first call to
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* retro_input_state per frame. */
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POLL_TYPE_LATE
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};
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typedef struct retro_callbacks
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{
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retro_video_refresh_t frame_cb;
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retro_audio_sample_t sample_cb;
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retro_audio_sample_batch_t sample_batch_cb;
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retro_input_state_t state_cb;
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retro_input_poll_t poll_cb;
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} retro_callbacks_t;
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extern retro_callbacks_t retro_ctx;
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/**
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* retro_init_libretro_cbs:
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* @data : pointer to retro_callbacks object
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*
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* Initializes libretro callbacks, and binds the libretro callbacks
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* to default callback functions.
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**/
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void retro_init_libretro_cbs(void *data);
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/**
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* retro_set_default_callbacks:
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* @data : pointer to retro_callbacks object
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*
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* Binds the libretro callbacks to default callback functions.
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**/
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void retro_set_default_callbacks(void *data);
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/**
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* retro_set_rewind_callbacks:
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*
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* Sets the audio sampling callbacks based on whether or not
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* rewinding is currently activated.
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**/
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void retro_set_rewind_callbacks(void);
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/* Runs the core for one frame. Use instead of core.retro_run(). */
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void retro_run_core(void);
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/**
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* retro_flush_audio:
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* @data : pointer to audio buffer.
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* @samples : amount of samples to write.
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*
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* Writes audio samples to audio driver. Will first
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* perform DSP processing (if enabled) and resampling.
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*
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* driver.audio_active will be set to false (0) in case
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* of an error, otherwise will be set to true (1).
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*
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* Returns: true (1) on success, otherwise false (0).
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**/
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bool retro_flush_audio(const int16_t *data, size_t samples);
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void retro_uninit_libretro_cbs(void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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