RetroArch/libretro_version_1.h
2015-12-05 18:53:03 +01:00

85 lines
2.4 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2015 - Daniel De Matteis
* Copyright (C) 2012-2015 - Michael Lelli
*
* RetroArch 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 Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _RETRO_IMPLEMENTATION_V1_H
#define _RETRO_IMPLEMENTATION_V1_H
#ifdef __cplusplus
extern "C" {
#endif
#include "libretro.h"
typedef struct retro_callbacks
{
retro_video_refresh_t frame_cb;
retro_audio_sample_t sample_cb;
retro_audio_sample_batch_t sample_batch_cb;
retro_input_state_t state_cb;
retro_input_poll_t poll_cb;
} retro_callbacks_t;
extern retro_callbacks_t retro_ctx;
/**
* retro_init_libretro_cbs:
* @data : pointer to retro_callbacks object
*
* Initializes libretro callbacks, and binds the libretro callbacks
* to default callback functions.
**/
void retro_init_libretro_cbs(void *data);
/**
* retro_set_default_callbacks:
* @data : pointer to retro_callbacks object
*
* Binds the libretro callbacks to default callback functions.
**/
void retro_set_default_callbacks(void *data);
/**
* retro_set_rewind_callbacks:
*
* Sets the audio sampling callbacks based on whether or not
* rewinding is currently activated.
**/
void retro_set_rewind_callbacks(void);
/**
* retro_flush_audio:
* @data : pointer to audio buffer.
* @samples : amount of samples to write.
*
* Writes audio samples to audio driver. Will first
* perform DSP processing (if enabled) and resampling.
*
* driver.audio_active will be set to false (0) in case
* of an error, otherwise will be set to true (1).
*
* Returns: true (1) on success, otherwise false (0).
**/
bool retro_flush_audio(const int16_t *data, size_t samples);
void retro_uninit_libretro_cbs(void);
#ifdef __cplusplus
}
#endif
#endif