/*

 * 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_resampler.h
  * @brief Audio Resampler Plugin
  *
  * @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
  */
 #ifndef TINYMEDIA_RESAMPLER_H
 #define TINYMEDIA_RESAMPLER_H
 
 #include "tinymedia_config.h"
 
 #include "tsk_object.h"
 
 #ifndef TMEDIA_RESAMPLER_QUALITY
 #	define TMEDIA_RESAMPLER_QUALITY 5
 #endif
 
 TMEDIA_BEGIN_DECLS
 
 /** cast any pointer to @ref tmedia_resampler_t* object */
 #define TMEDIA_RESAMPLER(self)		((tmedia_resampler_t*)(self))
 
 /** Base object for all resamplers */
 typedef struct tmedia_resampler_s
 {
 	TSK_DECLARE_OBJECT;
 
 	tsk_bool_t opened;
 
 	const struct tmedia_resampler_plugin_def_s* plugin;
 }
 tmedia_resampler_t;
 
 #define TMEDIA_DECLARE_RESAMPLER tmedia_resampler_t __resampler__
 
 /** Virtual table used to define a consumer plugin */
 typedef struct tmedia_resampler_plugin_def_s
 {
 	//! object definition used to create an instance of the resamplerr
 	const tsk_object_def_t* objdef;
 	
 	//! full description (usefull for debugging)
 	const char* desc;
 
 	// ! quality is from 0-10
 	int (* open) (tmedia_resampler_t* self, uint32_t in_freq, uint32_t out_freq, uint32_t frame_duration, uint32_t in_channels, uint32_t out_channels, uint32_t quality, uint32_t bits_per_sample);
 	tsk_size_t (* process) (tmedia_resampler_t*, const void* in_data, tsk_size_t in_size_in_sample, void* out_data, tsk_size_t out_size_in_sample);
 	int (* close) (tmedia_resampler_t* );
 }
 tmedia_resampler_plugin_def_t;
 
 TINYMEDIA_API int tmedia_resampler_init(tmedia_resampler_t* self);
 TINYMEDIA_API int tmedia_resampler_open(tmedia_resampler_t* self, uint32_t in_freq, uint32_t out_freq, uint32_t frame_duration, uint32_t in_channels, uint32_t out_channels, uint32_t quality, uint32_t bits_per_sample);
 TINYMEDIA_API tsk_size_t tmedia_resampler_process(tmedia_resampler_t* self, const void* in_data, tsk_size_t in_size_in_sample, void* out_data, tsk_size_t out_size_in_sample);
 TINYMEDIA_API int tmedia_resampler_close(tmedia_resampler_t* self);
 TINYMEDIA_API int tmedia_resampler_deinit(tmedia_resampler_t* self);
 
 TINYMEDIA_API int tmedia_resampler_plugin_register(const tmedia_resampler_plugin_def_t* plugin);
 TINYMEDIA_API int tmedia_resampler_plugin_unregister(const tmedia_resampler_plugin_def_t* plugin);
 TINYMEDIA_API tmedia_resampler_t* tmedia_resampler_create();
 
 TMEDIA_END_DECLS
 
 
 #endif /* TINYMEDIA_RESAMPLER_H */