godot/modules/gdnative/include/videodecoder/godot_videodecoder.h
Anish 7199b7b5dd Added interface for GDNative Videodecoder.
Interface and callback api added for Videodecoder support.
Should be able to construct any format videodecoder using
only the given interface.

GSoC 2018 project.
2018-12-13 15:19:09 +01:00

76 lines
3.6 KiB
C++

/*************************************************************************/
/* godot_videodecoder.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* 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. */
/*************************************************************************/
#ifndef GODOT_NATIVEVIDEODECODER_H
#define GODOT_NATIVEVIDEODECODER_H
#include <gdnative/gdnative.h>
#ifdef __cplusplus
extern "C" {
#endif
#define GODOTAV_API_MAJOR 0
#define GODOTAV_API_MINOR 1
typedef struct
{
godot_gdnative_api_version version;
void *next;
void *(*constructor)(godot_object *);
void (*destructor)(void *);
const char *(*get_plugin_name)(void);
const char **(*get_supported_extensions)(int *count);
godot_bool (*open_file)(void *, void *); // data struct, and a FileAccess pointer
godot_real (*get_length)(const void *);
godot_real (*get_playback_position)(const void *);
void (*seek)(void *, godot_real);
void (*set_audio_track)(void *, godot_int);
void (*update)(void *, godot_real);
godot_pool_byte_array *(*get_videoframe)(void *);
godot_int (*get_audioframe)(void *, float *, int);
godot_int (*get_channels)(const void *);
godot_int (*get_mix_rate)(const void *);
godot_vector2 (*get_texture_size)(const void *);
} godot_videodecoder_interface_gdnative;
typedef int (*GDNativeAudioMixCallback)(void *, const float *, int);
// FileAccess wrappers for custom FFmpeg IO
godot_int GDAPI godot_videodecoder_file_read(void *file_ptr, uint8_t *buf, int buf_size);
int64_t GDAPI godot_videodecoder_file_seek(void *file_ptr, int64_t pos, int whence);
void GDAPI godot_videodecoder_register_decoder(const godot_videodecoder_interface_gdnative *p_interface);
#ifdef __cplusplus
}
#endif
#endif /* GODOT_NATIVEVIDEODECODER_H */