doubango/tinyRTP/src/rtcp/trtp_rtcp_rblock.c
c732d49e
 #if HAVE_CRT
 #define _CRTDBG_MAP_ALLOC 
 #include <stdlib.h> 
 #include <crtdbg.h>
 #endif //HAVE_CRT
 /*
 * Copyright (C) 2017, 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.
 *
 */
 #include "tinyrtp/rtcp/trtp_rtcp_rblock.h"
 
 #include "tnet_endianness.h"
 #include "tsk_debug.h"
 
 /* 6.4.1 SR: Sender Report RTCP Packet
 
 	   +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
 report |                 SSRC_1 (SSRC of first source)                 |
 block  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   1    | fraction lost |       cumulative number of packets lost       |
        +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
        |           extended highest sequence number received           |
        +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
        |                      interarrival jitter                      |
        +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
        |                         last SR (LSR)                         |
        +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
        |                   delay since last SR (DLSR)                  |
        +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
 */
 static tsk_object_t* trtp_rtcp_rblock_ctor(tsk_object_t * self, va_list * app)
 {
 	trtp_rtcp_rblock_t *block = self;
 	if(block){
 	}
 	return self;
 }
 static tsk_object_t* trtp_rtcp_rblock_dtor(tsk_object_t * self)
 { 
 	trtp_rtcp_rblock_t *block = self;
 	if(block){
 	}
 
 	return self;
 }
 static const tsk_object_def_t trtp_rtcp_rblock_def_s = 
 {
 	sizeof(trtp_rtcp_rblock_t),
 	trtp_rtcp_rblock_ctor, 
 	trtp_rtcp_rblock_dtor,
 	tsk_null, 
 };
 const tsk_object_def_t *trtp_rtcp_rblock_def_t = &trtp_rtcp_rblock_def_s;
 
 trtp_rtcp_rblock_t* trtp_rtcp_rblock_create_null()
 {
 	return tsk_object_new(trtp_rtcp_rblock_def_t);
 }
 
 trtp_rtcp_rblock_t* trtp_rtcp_rblock_deserialize(const void* data, tsk_size_t size)
 {
 	trtp_rtcp_rblock_t* rblock = tsk_null;
 	const uint8_t* pdata = (const uint8_t*)data;
 	if(!data || size < TRTP_RTCP_RBLOCK_SIZE){
 		TSK_DEBUG_ERROR("Invalid parameter");
 		return tsk_null;
 	}
 	if((rblock = trtp_rtcp_rblock_create_null())){
 		rblock->ssrc = tnet_ntohl_2(pdata);
 		rblock->fraction = pdata[4];
 		rblock->cumulative_no_lost = (tnet_ntohl_2(&pdata[5]) >> 8) & 0xFFFFFF;
 		rblock->last_seq = tnet_ntohl_2(&pdata[8]);
 		rblock->jitter = tnet_ntohl_2(&pdata[12]);
 		rblock->lsr = tnet_ntohl_2(&pdata[16]);
 		rblock->dlsr = tnet_ntohl_2(&pdata[20]);
 	}
 	else{
 		TSK_DEBUG_ERROR("Failed to create report block object");
 	}
 
 	return rblock;
 }
 
 // Up to the
 int trtp_rtcp_rblock_deserialize_list(const void* data, tsk_size_t _size, trtp_rtcp_rblocks_L_t* dest_list)
 {
 	int32_t size = (int32_t)_size;
 	const uint8_t* pdata = (const uint8_t*)data;
 	trtp_rtcp_rblock_t* rblock;
 
 	if(!data || !size || !dest_list){
 		TSK_DEBUG_ERROR("Invalid parameter");
 		return -1;
 	}
 
 	while(size >= TRTP_RTCP_RBLOCK_SIZE){
 		if((rblock = trtp_rtcp_rblock_deserialize(pdata, size))){
 			tsk_list_push_back_data(dest_list, (void**)&rblock);
 		}
 		if((size -= TRTP_RTCP_RBLOCK_SIZE) > 0){
 			pdata += TRTP_RTCP_RBLOCK_SIZE;
 		}
 	}
 	return 0;
 }
 
 int trtp_rtcp_rblock_serialize_to(const trtp_rtcp_rblock_t* self, void* data, tsk_size_t size)
 {
 	uint8_t* pdata = (uint8_t*)data;
 	if(!self || !data || size < TRTP_RTCP_RBLOCK_SIZE){
 		TSK_DEBUG_ERROR("Invalid parameter");
 		return -1;
 	}
 
 	pdata[0] = self->ssrc >> 24;
 	pdata[1] = (self->ssrc >> 16) & 0xFF;
 	pdata[2] = (self->ssrc >> 8) & 0xFF;
 	pdata[3] = (self->ssrc & 0xFF);
 	pdata[4] = self->fraction;
 	pdata[5] = (self->cumulative_no_lost >> 16) & 0xFF;
 	pdata[6] = (self->cumulative_no_lost >> 8) & 0xFF;
 	pdata[7] = (self->cumulative_no_lost & 0xFF);
 	pdata[8] = self->last_seq >> 24;
 	pdata[9] = (self->last_seq >> 16) & 0xFF;
 	pdata[10] = (self->last_seq >> 8) & 0xFF;
 	pdata[11] = (self->last_seq & 0xFF);
 	pdata[12] = self->jitter >> 24;
 	pdata[13] = (self->jitter >> 16) & 0xFF;
 	pdata[14] = (self->jitter >> 8) & 0xFF;
 	pdata[15] = (self->jitter & 0xFF);
 	pdata[16] = self->lsr >> 24;
 	pdata[17] = (self->lsr >> 16) & 0xFF;
 	pdata[18] = (self->lsr >> 8) & 0xFF;
 	pdata[19] = (self->lsr & 0xFF);
 	pdata[20] = self->dlsr >> 24;
 	pdata[21] = (self->dlsr >> 16) & 0xFF;
 	pdata[22] = (self->dlsr >> 8) & 0xFF;
 	pdata[23] = (self->dlsr & 0xFF);
 
 	return 0;
 }