doubango/branches/2.0/doubango/tinyMEDIA/src/tmedia_params.c

/*
* Copyright (C) 2010-2011 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou(at)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_params.c
 * @brief Media parameters used to configure any session or plugin.
 *
 * @author Mamadou Diop <diopmamadou(at)doubango.org>
 *

 */
#include "tinymedia/tmedia_params.h"

#include "tinymedia/tmedia_session.h"

#include "tsk_debug.h"
#include "tsk_memory.h"

tmedia_param_t* tmedia_param_create(tmedia_param_access_type_t access_type, 
									tmedia_type_t media_type, 
									tmedia_param_plugin_type_t plugin_type, 
									tmedia_param_value_type_t value_type,
									const char* key,
									void* value)
{
	tmedia_param_t* param;
	
	if(!key ||!value){
		TSK_DEBUG_ERROR("Invalid parameter");
		return tsk_null;
	}

	if((param = tsk_object_new(tmedia_param_def_t))){
		param->access_type = access_type;
		param->media_type = media_type;
		param->plugin_type = plugin_type;
		param->value_type = value_type;
		param->key = tsk_strdup(key);
		switch(value_type){
			case tmedia_pvt_int32:
				if(param->value = tsk_calloc(1, sizeof(int32_t))){
					memcpy(param->value, value, sizeof(int32_t));
					//*((int32_t*)param->value) = *((int32_t*)value);
				}
				break;
			case tmedia_pvt_pobject:
				param->value = tsk_object_ref(value);
				break;
			case tmedia_pvt_pchar:
				param->value = tsk_strdup(value);
				break;
			case tmedia_pvt_int64:
				if(param->value = tsk_calloc(1, sizeof(int64_t))){
					memcpy(param->value, value, sizeof(int64_t));
					//*((int64_t*)param->value) = *((int64_t*)value);
				}
				break;
		}
	}
	else{
		TSK_DEBUG_ERROR("Failed to create media parameter");
	}
	return param;
}

tmedia_params_L_t* tmedia_params_create_2(va_list *app)
{
	tmedia_session_param_type_t curr;
	tmedia_params_L_t* params;

	if(!app){
		TSK_DEBUG_ERROR("Invalid parameter");
		return tsk_null;
	}

	params = tmedia_params_create();

	while((curr = va_arg(*app, tmedia_session_param_type_t)) != tmedia_sptype_null){
		switch(curr){
			case tmedia_sptype_set:
				{	/* (tmedia_type_t)MEDIA_TYPE_ENUM, (tmedia_param_plugin_type_t)PLUGIN_TYPE_ENUM, (tmedia_param_value_type_t)VALUE_TYPE_ENUM \
						(const char*)KEY_STR, (void*)&VALUE */
					/* IMPORTANT: do not pass va_arg() directly into the function */
					tmedia_type_t media_type = va_arg(*app, tmedia_type_t);
					tmedia_param_plugin_type_t plugin_type = va_arg(*app, tmedia_param_plugin_type_t);
					tmedia_param_value_type_t value_type = va_arg(*app, tmedia_param_value_type_t);
					const char* key = va_arg(*app, const char*);
					void* value = va_arg(*app, void*);
					tmedia_params_add_param(&params, tmedia_pat_set, 
						media_type, plugin_type, value_type, key, value);
					break;
				}
			default:
				{	/* va_list will be unsafe => exit */
					TSK_DEBUG_ERROR("%d NOT a valid pname", curr);
					break;
				}
		}/* switch */
	}/* while */

	return params;
}

int tmedia_params_add_param(tmedia_params_L_t **self, 
							tmedia_param_access_type_t access_type, 
							tmedia_type_t media_type, 
							tmedia_param_plugin_type_t plugin_type, 
							tmedia_param_value_type_t value_type,
							const char* key,
							void* value)
{
	tmedia_param_t *param;

	if(!self) {
		TSK_DEBUG_ERROR("Invalid parameter");
		return -1;
	}

	if(!*self){
		*self = tmedia_params_create();
	}

	if((param = tmedia_param_create(access_type, media_type, plugin_type, value_type, key, value))){
		tsk_list_push_back_data(*self, (void**)&param);
	}
	return 0;
}




//=================================================================================================
//	param object definition
//
static tsk_object_t* tmedia_param_ctor(tsk_object_t* self, va_list * app)
{
	tmedia_param_t *param = self;
	if(param){
	}

	return self;
}

static tsk_object_t* tmedia_param_dtor(tsk_object_t* self)
{ 
	tmedia_param_t *param = self;
	if(param){
		TSK_FREE(param->key);
		switch(param->value_type){
			case tmedia_pvt_pobject:
				TSK_OBJECT_SAFE_FREE(param->value);
				break;
			case tmedia_pvt_pchar:
			case tmedia_pvt_int64:
			case tmedia_pvt_int32:
				TSK_FREE(param->value);
				break;
		}
	}

	return self;
}

static const tsk_object_def_t tmedia_param_def_s = 
{
	sizeof(tmedia_param_t),
	tmedia_param_ctor, 
	tmedia_param_dtor,
	tsk_null, 
};
const tsk_object_def_t *tmedia_param_def_t = &tmedia_param_def_s;