doubango/tinyDAV/src/t140/tdav_producer_t140.c
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 #if HAVE_CRT
 #define _CRTDBG_MAP_ALLOC 
 #include <stdlib.h> 
 #include <crtdbg.h>
 #endif //HAVE_CRT
 /*
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 * Copyright (C) 2020, University of the Basque Country (UPV/EHU)
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 * 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 tdav_producer_t140.c
  * @brief Producer for T140 protocol (RFC 4103)
  */
 #include "tinydav/t140/tdav_producer_t140.h"
 
 #include "tsk_debug.h"
 
 static int tdav_producer_t140_set(tmedia_producer_t* self, const tmedia_param_t* param)
 {
 	return 0;
 }
 
 static int tdav_producer_t140_prepare(tmedia_producer_t* self, const tmedia_codec_t* param)
 {
 	return 0;
 }
 
 static int tdav_producer_t140_start(tmedia_producer_t* self)
 {
 	return 0;
 }
 
 static int tdav_producer_t140_pause(tmedia_producer_t* self)
 {
 	return 0;
 }
 
 static int tdav_producer_t140_stop(tmedia_producer_t* self)
 {
 	return 0;
 }
 
 int tdav_producer_send_data(tdav_producer_t140_t* self, enum tmedia_t140_data_type_e data_type, const void* data_ptr, unsigned data_size)
 {
 	if(!self){
 		TSK_DEBUG_ERROR("Invalid parameter");
 		return -1;
 	}
 	if(TMEDIA_PRODUCER(self)->enc_cb.callback){
 		if(data_type != tmedia_t140_data_type_utf8){
 			// build data
 			tsk_size_t cmd_size = 0, i;
 			int32_t cmd_val = (int32_t)data_type;
 			if(data_ptr || data_size){
 				TSK_DEBUG_WARN("Data not expected for commands");
 			}
 			// TODO: use ASM POPCNT
 			for(i = 0; i < 32; i+= 8){
 				if(((cmd_val >> i) & 0xFF)){
 					++cmd_size;
 				}
 			}
 			if(cmd_size){
 				TMEDIA_PRODUCER(self)->enc_cb.callback(TMEDIA_PRODUCER(self)->enc_cb.callback_data, &cmd_val, cmd_size);
 			}
 		}
 		else{
 			TMEDIA_PRODUCER(self)->enc_cb.callback(TMEDIA_PRODUCER(self)->enc_cb.callback_data, data_ptr, data_size);
 		}
 	}
 	return 0;
 }
 
 //
 //	T.140 producer object definition
 //
 /* constructor */
 static tsk_object_t* tdav_producer_t140_ctor(tsk_object_t * self, va_list * app)
 {
 	tdav_producer_t140_t *producer = self;
 	if(producer){
 		/* init base */
 		
 		/* init self */
 	}
 	return self;
 }
 /* destructor */
 static tsk_object_t* tdav_producer_t140_dtor(tsk_object_t * self)
 { 
 	tdav_producer_t140_t *producer = self;
 	if(producer){
 
 		/* stop */
 		if(producer->started){
 			tdav_producer_t140_stop(self);
 		}
 
 		/* deinit base */
 		
 		/* deinit self */
 		
 	}
 
 	return self;
 }
 /* object definition */
 static const tsk_object_def_t tdav_producer_t140_def_s = 
 {
 	sizeof(tdav_producer_t140_t),
 	tdav_producer_t140_ctor, 
 	tdav_producer_t140_dtor,
 	tsk_null, 
 };
 /* plugin definition*/
 static const tmedia_producer_plugin_def_t tdav_producer_t140_plugin_def_s = 
 {
 	&tdav_producer_t140_def_s,
 	
 	tmedia_t140,
 	"T.140 producer",
 	
 	tdav_producer_t140_set,
 	tdav_producer_t140_prepare,
 	tdav_producer_t140_start,
 	tdav_producer_t140_pause,
 	tdav_producer_t140_stop
 };
 const tmedia_producer_plugin_def_t *tdav_producer_t140_plugin_def_t = &tdav_producer_t140_plugin_def_s;