pandemonium_engine/modules/gdnative/include/videodecoder/pandemonium_videodecoder.h

#ifndef PANDEMONIUM_VIDEODECODER_H
#define PANDEMONIUM_VIDEODECODER_H

/*************************************************************************/
/*  pandemonium_videodecoder.h                                           */
/*************************************************************************/
/*                         This file is part of:                         */
/*                          PANDEMONIUM ENGINE                           */
/*             https://github.com/Relintai/pandemonium_engine            */
/*************************************************************************/
/* Copyright (c) 2022-present Péter Magyar.                              */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/

#include <gdn/gdnative.h>

#ifdef __cplusplus
extern "C" {
#endif

#define PANDEMONIUMAV_API_MAJOR 0
#define PANDEMONIUMAV_API_MINOR 1

typedef struct
{
	pandemonium_gdnative_api_version version;
	void *next;
	void *(*constructor)(pandemonium_object *);
	void (*destructor)(void *);
	const char *(*get_plugin_name)();
	const char **(*get_supported_extensions)(int *count);
	pandemonium_bool (*open_file)(void *, void *); // data struct, and a FileAccess pointer
	pandemonium_real (*get_length)(const void *);
	pandemonium_real (*get_playback_position)(const void *);
	void (*seek)(void *, pandemonium_real);
	void (*set_audio_track)(void *, pandemonium_int);
	void (*update)(void *, pandemonium_real);
	pandemonium_pool_byte_array *(*get_videoframe)(void *);
	pandemonium_int (*get_audioframe)(void *, float *, int);
	pandemonium_int (*get_channels)(const void *);
	pandemonium_int (*get_mix_rate)(const void *);
	pandemonium_vector2 (*get_texture_size)(const void *);
} pandemonium_videodecoder_interface_gdnative;

typedef int (*GDNativeAudioMixCallback)(void *, const float *, int);

// FileAccess wrappers for custom FFmpeg IO
pandemonium_int GDAPI pandemonium_videodecoder_file_read(void *file_ptr, uint8_t *buf, int buf_size);
int64_t GDAPI pandemonium_videodecoder_file_seek(void *file_ptr, int64_t pos, int whence);
void GDAPI pandemonium_videodecoder_register_decoder(const pandemonium_videodecoder_interface_gdnative *p_interface);

#ifdef __cplusplus
}
#endif

#endif // PANDEMONIUM_VIDEODECODER_H