doubango/tinyMEDIA/src/tmedia_params.c

/*
* Copyright (C) 2010-2011 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou(at)doubango[dot]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[dot]org>
 *

 */
#include "tinymedia/tmedia_params.h"

#include "tinymedia/tmedia_session.h"

#include "tsk_params.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 && (value_type != tmedia_pvt_pobject && value_type != tmedia_pvt_pchar))) {
        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);
        if(access_type == tmedia_pat_get) {
            param->value = (value);
        }
        else if(access_type == tmedia_pat_set) {
            switch(value_type) {
            case tmedia_pvt_int32:
                if((param->value = tsk_calloc(1, sizeof(int32_t)))) {
                    memcpy(param->value, value, sizeof(int32_t));
                }
                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));
                }
                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:
        case tmedia_sptype_get: {
            /* (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, (curr == tmedia_sptype_set) ? tmedia_pat_set : tmedia_pat_get,
                                    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);
        if(param->access_type == tmedia_pat_set) {
            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;