/*

 * Copyright (C) 2020, University of the Basque Country (UPV/EHU)

 * Contact for licensing options: <licensing-mcpttclient(at)mcopenplatform(dot)com>
 *
 * The original file was part of Open Source Doubango Framework
 * Copyright (C) 2010-2011 Mamadou Diop.
 * Copyright (C) 2012 Doubango Telecom <http://doubango.org>
 *
 * This file is part of Open Source Doubango Framework.
 *
 * DOUBANGO 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 Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * DOUBANGO 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 DOUBANGO.
 *
 */
 
 
 /**@file tmedia_converter_video.h
  * @brief Video converter plugin (chroma, rotation, scaling, ...)
  *
  * @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
  *
  */
 #ifndef TINYMEDIA_CONVERTER_VIDEO_H
 #define TINYMEDIA_CONVERTER_VIDEO_H
 
 #include "tinymedia_config.h"
 #include "tmedia_common.h"
 
 TMEDIA_BEGIN_DECLS
 
 /** cast any pointer to @ref tmedia_converter_video_t* object */
 #define TMEDIA_CONVERTER_VIDEO(self)		((tmedia_converter_video_t*)(self))
 
 /**Max number of plugins (consumer types) we can create */
 #if !defined(TMED_CONVERTER_VIDEO_MAX_PLUGINS)
 #	define TMED_CONVERTER_VIDEO_MAX_PLUGINS			0x0F
 #endif
 
 typedef struct tmedia_converter_video_s
 {
 	TSK_DECLARE_OBJECT;
 	
 	tsk_size_t srcWidth;
 	tsk_size_t srcHeight;
 
 	tsk_size_t dstWidth;
 	tsk_size_t dstHeight;
 
 	tmedia_chroma_t srcChroma;
 	tmedia_chroma_t dstChroma;
 
 	// one shot parameters
 	int rotation;
 	tsk_bool_t flip;
 	tsk_bool_t mirror;
 	tsk_bool_t scale_rotated_frames;
 
 	const struct tmedia_converter_video_plugin_def_s* plugin;
 }
 tmedia_converter_video_t;
 
 #define TMEDIA_DECLARE_CONVERTER_VIDEO tmedia_converter_video_t __converter__
 
 #define tmedia_converter_video_set(self, _rotation, _flip, _mirror, _scale_rotated_frames) \
 	if((self)){ \
 		(self)->rotation  = (_rotation); \
 		(self)->flip  = (_flip); \
 		(self)->mirror  = (_mirror); \
 		(self)->scale_rotated_frames  = (_scale_rotated_frames); \
 	}
 #define tmedia_converter_video_set_rotation(self, _rotation) \
 	if((self)){ \
 		(self)->rotation  = (_rotation); \
 	}
 #define tmedia_converter_video_set_flip(self, _flip) \
 	if((self)){ \
 		(self)->flip  = (_flip); \
 	}
 #define tmedia_converter_video_set_mirror(self, _mirror) \
 	if((self)){ \
 		(self)->mirror  = (_mirror); \
 	}
 #define tmedia_converter_video_set_scale_rotated_frames(self, _scale_rotated_frames) \
 	if((self)){ \
 		(self)->scale_rotated_frames  = (_scale_rotated_frames); \
 	}
 
 #define tmedia_converter_video_process(_self, _buffer, _size, _output, _output_max_size) \
 	(_self)->plugin->process((_self), (_buffer), (_size), (_output), (_output_max_size))
 
 /** Virtual table used to define a consumer plugin */
 typedef struct tmedia_converter_video_plugin_def_s
 {
 	//! object definition used to create an instance of the converter
 	const tsk_object_def_t* objdef;
 
 	int (* init) ( struct tmedia_converter_video_s* self, tsk_size_t srcWidth, tsk_size_t srcHeight, tmedia_chroma_t srcChroma, tsk_size_t dstWidth, tsk_size_t dstHeight, tmedia_chroma_t dstChroma );
 	tsk_size_t (* process) ( struct tmedia_converter_video_s* self, const void* buffer, tsk_size_t buffer_size, void** output, tsk_size_t* output_max_size );
 }
 tmedia_converter_video_plugin_def_t;
 
 TINYMEDIA_API tmedia_converter_video_t* tmedia_converter_video_create(tsk_size_t srcWidth, tsk_size_t srcHeight, tmedia_chroma_t srcChroma, tsk_size_t dstWidth, tsk_size_t dstHeight, tmedia_chroma_t dstChroma);
 
 TINYMEDIA_API int tmedia_converter_video_plugin_register(const tmedia_converter_video_plugin_def_t* plugin);
 TINYMEDIA_API tsk_size_t tmedia_converter_video_plugin_registry_count();
 TINYMEDIA_API int tmedia_converter_video_plugin_unregister(const tmedia_converter_video_plugin_def_t* plugin);
 
 TMEDIA_END_DECLS
 
 #endif /* TINYMEDIA_CONVERTER_VIDEO_H */