diff options
Diffstat (limited to 'tinyRTP/src/rtcp/trtp_rtcp_report_rr.c')
| -rw-r--r-- | tinyRTP/src/rtcp/trtp_rtcp_report_rr.c | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/tinyRTP/src/rtcp/trtp_rtcp_report_rr.c b/tinyRTP/src/rtcp/trtp_rtcp_report_rr.c new file mode 100644 index 0000000..2a38a4c --- /dev/null +++ b/tinyRTP/src/rtcp/trtp_rtcp_report_rr.c @@ -0,0 +1,232 @@ +/* +* 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_report_rr.h" +#include "tinyrtp/rtcp/trtp_rtcp_header.h" + +#include "tnet_endianness.h" + +#include "tsk_debug.h" + +#define TRTP_RTCP_PACKET_RR_MIN_SIZE (TRTP_RTCP_HEADER_SIZE + 4) + +static tsk_object_t* trtp_rtcp_report_rr_ctor(tsk_object_t * self, va_list * app) +{ + trtp_rtcp_report_rr_t *rr = self; + if(rr){ + rr->packets = tsk_list_create(); + rr->blocks = tsk_list_create(); + } + return self; +} +static tsk_object_t* trtp_rtcp_report_rr_dtor(tsk_object_t * self) +{ + trtp_rtcp_report_rr_t *rr = self; + if(rr){ + // deinit self + TSK_OBJECT_SAFE_FREE(rr->packets); + TSK_OBJECT_SAFE_FREE(rr->blocks); + // deinit base + trtp_rtcp_packet_deinit(TRTP_RTCP_PACKET(rr)); + } + + return self; +} +static const tsk_object_def_t trtp_rtcp_report_rr_def_s = +{ + sizeof(trtp_rtcp_report_rr_t), + trtp_rtcp_report_rr_ctor, + trtp_rtcp_report_rr_dtor, + tsk_null, +}; +const tsk_object_def_t *trtp_rtcp_report_rr_def_t = &trtp_rtcp_report_rr_def_s; + + +trtp_rtcp_report_rr_t* trtp_rtcp_report_rr_create_null() +{ + trtp_rtcp_report_rr_t* rr; + if((rr = (trtp_rtcp_report_rr_t*)tsk_object_new(trtp_rtcp_report_rr_def_t))){ + trtp_rtcp_packet_init(TRTP_RTCP_PACKET(rr), TRTP_RTCP_HEADER_VERSION_DEFAULT, 0, 0, trtp_rtcp_packet_type_rr, (TRTP_RTCP_HEADER_SIZE + 4)); + } + return rr; +} + +trtp_rtcp_report_rr_t* trtp_rtcp_report_rr_create(trtp_rtcp_header_t* header) +{ + trtp_rtcp_report_rr_t* rr; + if((rr = (trtp_rtcp_report_rr_t*)tsk_object_new(trtp_rtcp_report_rr_def_t))){ + TRTP_RTCP_PACKET(rr)->header = tsk_object_ref(header); + } + return rr; +} + +trtp_rtcp_report_rr_t* trtp_rtcp_report_rr_create_2(uint32_t ssrc) +{ + trtp_rtcp_report_rr_t* rr; + if((rr = trtp_rtcp_report_rr_create_null())){ + rr->ssrc = ssrc; + } + return rr; +} + +trtp_rtcp_report_rr_t* trtp_rtcp_report_rr_deserialize(const void* data, tsk_size_t _size) +{ + trtp_rtcp_report_rr_t* rr = tsk_null; + trtp_rtcp_header_t* header = tsk_null; + const uint8_t* pdata = (const uint8_t*)data; + int32_t size = (int32_t)_size; + + if(!data || size < TRTP_RTCP_PACKET_RR_MIN_SIZE){ + TSK_DEBUG_ERROR("Invalid parameter"); + return tsk_null; + } + + if(!(header = trtp_rtcp_header_deserialize(pdata, size))){ + TSK_DEBUG_ERROR("Failed to deserialize the header"); + goto bail; + } + if(header->length_in_bytes < TRTP_RTCP_PACKET_RR_MIN_SIZE){ + TSK_DEBUG_ERROR("Too short"); + goto bail; + } + + if(!(rr = trtp_rtcp_report_rr_create(header))){ + TSK_DEBUG_ERROR("Failed to create object"); + goto bail; + } + + rr->ssrc = (uint32_t)tnet_ntohl_2(&pdata[4]); + + pdata += (TRTP_RTCP_HEADER_SIZE + 4); + size -= (TRTP_RTCP_HEADER_SIZE + 4); + + // Blocks + if(header->rc > 0){ + tsk_size_t i = 0; + trtp_rtcp_rblock_t* rblock; + + while(i++ < header->rc && size >= TRTP_RTCP_RBLOCK_SIZE){ + if((rblock = trtp_rtcp_rblock_deserialize(pdata, size))){ + tsk_list_push_back_data(rr->blocks, (void**)&rblock); + } + pdata += TRTP_RTCP_RBLOCK_SIZE; + size -= TRTP_RTCP_RBLOCK_SIZE; + } + } + + // Other Packets + while(size > TRTP_RTCP_HEADER_SIZE){ + trtp_rtcp_packet_t* packet; + + if((packet = trtp_rtcp_packet_deserialize(pdata, size))){ + if((size -= packet->header->length_in_bytes) > 0){ + pdata += packet->header->length_in_bytes; + } + tsk_list_push_back_data(rr->packets, (void**)&packet); + continue; + } + break; + } + +bail: + TSK_OBJECT_SAFE_FREE(header); + return rr; +} + +int trtp_rtcp_report_rr_serialize_to(const trtp_rtcp_report_rr_t* self, void* data, tsk_size_t size) +{ + int ret; + const tsk_list_item_t* item; + uint8_t* pdata = (uint8_t*)data; + + if(!self || !data || size < trtp_rtcp_report_rr_get_size(self)){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + if((ret = trtp_rtcp_header_serialize_to(TRTP_RTCP_PACKET(self)->header, pdata, size))){ + TSK_DEBUG_ERROR("Failed to serialize the header"); + return ret; + } + + pdata[TRTP_RTCP_HEADER_SIZE] = self->ssrc >> 24; + pdata[TRTP_RTCP_HEADER_SIZE + 1] = (self->ssrc >> 16) & 0xFF; + pdata[TRTP_RTCP_HEADER_SIZE + 2] = (self->ssrc >> 8) & 0xFF; + pdata[TRTP_RTCP_HEADER_SIZE + 3] = (self->ssrc & 0xFF); + + pdata += (TRTP_RTCP_HEADER_SIZE + 4); + size -= (TRTP_RTCP_HEADER_SIZE + 4); + + if(TRTP_RTCP_PACKET(self)->header->rc > 0){ + tsk_list_foreach(item, self->blocks){ + if(!item->data){ + continue; + } + if((ret = trtp_rtcp_rblock_serialize_to(TRTP_RTCP_RBLOCK(item->data), pdata, size))){ + TSK_DEBUG_ERROR("Failed to serialize the rblock"); + goto bail; + } + pdata += TRTP_RTCP_RBLOCK_SIZE; + size -= TRTP_RTCP_RBLOCK_SIZE; + } + } + + tsk_list_foreach(item, self->packets){ + if(!item->data){ + continue; + } + if((ret = trtp_rtcp_packet_serialize_to(TRTP_RTCP_PACKET(item->data), pdata, size))){ + TSK_DEBUG_ERROR("Failed to serialize packet"); + goto bail; + } + pdata += TRTP_RTCP_PACKET(item->data)->header->length_in_bytes; + size -= TRTP_RTCP_PACKET(item->data)->header->length_in_bytes; + } + +bail: + return ret; +} + +tsk_size_t trtp_rtcp_report_rr_get_size(const trtp_rtcp_report_rr_t* self) +{ + tsk_size_t size; + const tsk_list_item_t* item; + + if(!self || !TRTP_RTCP_PACKET(self)->header){ + TSK_DEBUG_ERROR("Invalid parameter"); + return 0; + } + + size = TRTP_RTCP_PACKET(self)->header->length_in_bytes; + if(TRTP_RTCP_PACKET(self)->header->rc > 0){ + tsk_list_foreach(item, self->blocks){ + if(item->data){ + size += TRTP_RTCP_RBLOCK_SIZE; + } + } + } + tsk_list_foreach(item, self->packets){ + if(item->data && TRTP_RTCP_PACKET(item->data)->header){ + size += TRTP_RTCP_PACKET(item->data)->header->length_in_bytes; + } + } + + return size; +}
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