diff options
Diffstat (limited to 'tinyRTP/src/rtcp/trtp_rtcp_sdes_item.c')
| -rw-r--r-- | tinyRTP/src/rtcp/trtp_rtcp_sdes_item.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/tinyRTP/src/rtcp/trtp_rtcp_sdes_item.c b/tinyRTP/src/rtcp/trtp_rtcp_sdes_item.c new file mode 100644 index 0000000..7f22537 --- /dev/null +++ b/tinyRTP/src/rtcp/trtp_rtcp_sdes_item.c @@ -0,0 +1,148 @@ +/* +* Copyright (C) 2012 Doubango Telecom <http://www.doubango.org> +* +* 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. +* +*/ +#include "tinyrtp/rtcp/trtp_rtcp_sdes_item.h" +#include "tinyrtp/rtcp/trtp_rtcp_packet.h" + +#include "tnet_endianness.h" + +#include "tsk_string.h" +#include "tsk_memory.h" +#include "tsk_debug.h" + +#include <string.h> /* strlen() */ + +static tsk_object_t* trtp_rtcp_sdes_item_ctor(tsk_object_t * self, va_list * app) +{ + trtp_rtcp_sdes_item_t *item = self; + if(item){ + } + return self; +} +static tsk_object_t* trtp_rtcp_sdes_item_dtor(tsk_object_t * self) +{ + trtp_rtcp_sdes_item_t *item = self; + if(item){ + TSK_OBJECT_SAFE_FREE(item->data); + } + + return self; +} +static const tsk_object_def_t trtp_rtcp_sdes_item_def_s = +{ + sizeof(trtp_rtcp_sdes_item_t), + trtp_rtcp_sdes_item_ctor, + trtp_rtcp_sdes_item_dtor, + tsk_null, +}; +const tsk_object_def_t *trtp_rtcp_sdes_item_def_t = &trtp_rtcp_sdes_item_def_s; + + +trtp_rtcp_sdes_item_t* _trtp_rtcp_sdes_item_create_null(trtp_rtcp_sdes_item_type_t type) +{ + return tsk_object_new(trtp_rtcp_sdes_item_def_t); +} + +trtp_rtcp_sdes_item_t* trtp_rtcp_sdes_item_create(trtp_rtcp_sdes_item_type_t type, const void* data, uint8_t length) +{ + trtp_rtcp_sdes_item_t* item; + if(!(item = _trtp_rtcp_sdes_item_create_null(type))){ + TSK_DEBUG_ERROR("Failed to create new SDES item"); + return tsk_null; + } + item->type = type; + if(data && length){ + item->data = tsk_buffer_create(data, length); + } + + return item; +} + +trtp_rtcp_sdes_item_t* trtp_rtcp_sdes_item_deserialize(const void* data, tsk_size_t size) +{ + const uint8_t* pdata = (const uint8_t*)data; + + if(!data || !size){ + TSK_DEBUG_ERROR("Invlaid parameter"); + return tsk_null; + } + + if(pdata[0] == trtp_rtcp_sdes_item_type_end){ + return trtp_rtcp_sdes_item_create(trtp_rtcp_sdes_item_type_end, tsk_null, 0); + } + + if(size < TRTP_RTCP_SDES_ITEM_MIN_SIZE || size < (tsk_size_t)(pdata[1] + 2)){ + TSK_DEBUG_ERROR("Too short"); + return tsk_null; + } + + return trtp_rtcp_sdes_item_create((trtp_rtcp_sdes_item_type_t)pdata[0], &pdata[2], pdata[1]); +} + +tsk_buffer_t* trtp_rtcp_sdes_item_serialize(const trtp_rtcp_sdes_item_t* self) +{ + tsk_buffer_t*buffer = tsk_null; + if(!self){ + TSK_DEBUG_ERROR("Invalid parameter"); + return tsk_null; + } + if((buffer = tsk_buffer_create(tsk_null, trtp_rtcp_sdes_item_get_size(self)))){ + if(trtp_rtcp_sdes_item_serialize_to(self, buffer->data, buffer->size) != 0){ + TSK_OBJECT_SAFE_FREE(buffer); + } + } + return buffer; +} + +int trtp_rtcp_sdes_item_serialize_to(const trtp_rtcp_sdes_item_t* self, void* data, tsk_size_t size) +{ + if(!self || !data || (size < trtp_rtcp_sdes_item_get_size(self))){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + if(self->type == trtp_rtcp_sdes_item_type_end){ + ((uint8_t*)data)[0] = trtp_rtcp_sdes_item_type_end; + } + else{ + ((uint8_t*)data)[0] = self->type; + if(self->data){ + ((uint8_t*)data)[1] = (uint8_t)self->data->size; + memcpy(&((uint8_t*)data)[2], self->data->data, self->data->size); + } + else{ + ((uint8_t*)data)[1] = 0; + } + } + return 0; +} + +tsk_size_t trtp_rtcp_sdes_item_get_size(const trtp_rtcp_sdes_item_t* self) +{ + if(!self){ + TSK_DEBUG_ERROR("Invalid parameter"); + return 0; + } + switch(self->type){ + case trtp_rtcp_sdes_item_type_end: return 1; + default: return 2 + (self->data ? self->data->size : 0); + } +} + |
