diff options
Diffstat (limited to 'tinyRTP/src/rtcp/trtp_rtcp_packet.c')
| -rw-r--r-- | tinyRTP/src/rtcp/trtp_rtcp_packet.c | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/tinyRTP/src/rtcp/trtp_rtcp_packet.c b/tinyRTP/src/rtcp/trtp_rtcp_packet.c new file mode 100644 index 0000000..d2ec856 --- /dev/null +++ b/tinyRTP/src/rtcp/trtp_rtcp_packet.c @@ -0,0 +1,255 @@ +/* +* 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_packet.h" + +#include "tinyrtp/rtcp/trtp_rtcp_header.h" +#include "tinyrtp/rtcp/trtp_rtcp_report_sdes.h" +#include "tinyrtp/rtcp/trtp_rtcp_report_sr.h" +#include "tinyrtp/rtcp/trtp_rtcp_report_rr.h" +#include "tinyrtp/rtcp/trtp_rtcp_report_bye.h" +#include "tinyrtp/rtcp/trtp_rtcp_report_fb.h" + +#include "tsk_debug.h" + +static tsk_object_t* trtp_rtcp_packet_ctor(tsk_object_t * self, va_list * app) +{ + trtp_rtcp_packet_t *packet = self; + if(packet){ + } + return self; +} + +static tsk_object_t* trtp_rtcp_packet_dtor(tsk_object_t * self) +{ + trtp_rtcp_packet_t *packet = self; + if(packet){ + + } + + return self; +} + +static const tsk_object_def_t trtp_rtcp_packet_def_s = +{ + sizeof(trtp_rtcp_packet_t), + trtp_rtcp_packet_ctor, + trtp_rtcp_packet_dtor, + tsk_null, +}; +const tsk_object_def_t *trtp_rtcp_packet_def_t = &trtp_rtcp_packet_def_s; + +trtp_rtcp_packet_t* trtp_rtcp_packet_create(struct trtp_rtcp_header_s* header) +{ + trtp_rtcp_packet_t* packet; + if((packet = tsk_object_new(trtp_rtcp_packet_def_t)) && header){ + packet->header = tsk_object_ref(header); + } + return packet; +} + + +int trtp_rtcp_packet_init(trtp_rtcp_packet_t* self, uint8_t version, uint8_t padding, uint8_t rc, trtp_rtcp_packet_type_t type, uint16_t length_in_bytes) +{ + if(!self){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + if(!self->header){ + self->header = trtp_rtcp_header_create(version, padding, rc, type, length_in_bytes); + } + else{ + self->header->version = version; + self->header->padding = padding; + self->header->rc = rc; + self->header->type = type; + self->header->length_in_bytes = length_in_bytes; + self->header->length_in_words_minus1 = ((length_in_bytes >> 2) - 1); + } + return 0; +} + +trtp_rtcp_packet_t* trtp_rtcp_packet_deserialize(const void* data, tsk_size_t size) +{ + trtp_rtcp_packet_type_t type; + + if(!data || size < TRTP_RTCP_HEADER_SIZE){ + TSK_DEBUG_ERROR("Invalid parameter"); + return tsk_null; + } + + type = (trtp_rtcp_packet_type_t)((const uint8_t*)data)[1]; + + switch(type){ + case trtp_rtcp_packet_type_rr: return (trtp_rtcp_packet_t*)trtp_rtcp_report_rr_deserialize(data, size); + case trtp_rtcp_packet_type_sr: return (trtp_rtcp_packet_t*)trtp_rtcp_report_sr_deserialize(data, size); + case trtp_rtcp_packet_type_sdes: return (trtp_rtcp_packet_t*)trtp_rtcp_report_sdes_deserialize(data, size); + case trtp_rtcp_packet_type_bye: return (trtp_rtcp_packet_t*)trtp_rtcp_report_bye_deserialize(data, size); + case trtp_rtcp_packet_type_rtpfb: return (trtp_rtcp_packet_t*)trtp_rtcp_report_rtpfb_deserialize(data, size); + case trtp_rtcp_packet_type_psfb: return (trtp_rtcp_packet_t*)trtp_rtcp_report_psfb_deserialize(data, size); + default: + { + // returns abstract RTCP packet + trtp_rtcp_header_t* header; + TSK_DEBUG_ERROR("%d not recognized as valid RTCP packet type", (int)type); + if((header = trtp_rtcp_header_deserialize(data, size))){ + trtp_rtcp_packet_t* packet = trtp_rtcp_packet_create(header); + TSK_OBJECT_SAFE_FREE(header); + return packet; + } + break; + } + } + + return tsk_null; +} + +int trtp_rtcp_packet_serialize_to(const trtp_rtcp_packet_t* self, void* data, tsk_size_t size) +{ + if(!self || !self->header || !data || !size){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + switch(self->header->type){ + case trtp_rtcp_packet_type_rr: return trtp_rtcp_report_rr_serialize_to((const trtp_rtcp_report_rr_t*)self, data, size); + case trtp_rtcp_packet_type_sr: return trtp_rtcp_report_sr_serialize_to((const trtp_rtcp_report_sr_t*)self, data, size); + case trtp_rtcp_packet_type_sdes: return trtp_rtcp_report_sdes_serialize_to((const trtp_rtcp_report_sdes_t*)self, data, size); + case trtp_rtcp_packet_type_bye: return trtp_rtcp_report_bye_serialize_to((const trtp_rtcp_report_bye_t*)self, data, size); + case trtp_rtcp_packet_type_psfb: return trtp_rtcp_report_psfb_serialize_to((const trtp_rtcp_report_psfb_t*)self, data, size); + case trtp_rtcp_packet_type_rtpfb: return trtp_rtcp_report_rtpfb_serialize_to((const trtp_rtcp_report_rtpfb_t*)self, data, size); + default: + { + TSK_DEBUG_ERROR("%d not recognized as valid RTCP packet type", (int)self->header->type); + return -2; + } + } +} + +tsk_buffer_t* trtp_rtcp_packet_serialize(const trtp_rtcp_packet_t* self, tsk_size_t num_bytes_pad) +{ + tsk_size_t size = trtp_rtcp_packet_get_size(self); + if(self && size){ + tsk_buffer_t* buffer; + const tsk_size_t _size = (size + num_bytes_pad); + if((buffer = tsk_buffer_create(tsk_null, _size))){ + if(trtp_rtcp_packet_serialize_to(self, buffer->data, size) != 0){ + TSK_OBJECT_SAFE_FREE(buffer); + } + else buffer->size = size; + return buffer; + } + } + return tsk_null; +} + +int trtp_rtcp_packet_add_packet(trtp_rtcp_packet_t* self, trtp_rtcp_packet_t* packet, tsk_bool_t front) +{ + trtp_rtcp_packets_L_t* packets = tsk_null; + if(!self || !self->header || !packet){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + switch(self->header->type){ + case trtp_rtcp_packet_type_rr: packets = ((trtp_rtcp_report_rr_t*)self)->packets; break; + case trtp_rtcp_packet_type_sr: packets = ((trtp_rtcp_report_sr_t*)self)->packets; break; + case trtp_rtcp_packet_type_bye: packets = ((trtp_rtcp_report_bye_t*)self)->packets; break; + default: TSK_DEBUG_ERROR("not valid operation for packet type %d", (int)self->header->type); return -2; + } + + if(packets){ + //tsk_size_t packet_size = trtp_rtcp_packet_get_size(packet); + packet = tsk_object_ref(packet); + // self->header->length_in_bytes += packet_size; + // self->header->length_in_words_minus1 = ((self->header->length_in_bytes >> 2) - 1) + + // ((self->header->length_in_bytes & 0x03) ? 1 : 0); + tsk_list_push_data(packets, (void**)&packet, !front); + } + + return 0; +} + +const trtp_rtcp_packet_t* trtp_rtcp_packet_get_at(const trtp_rtcp_packet_t* self, trtp_rtcp_packet_type_t type, tsk_size_t index) +{ + const tsk_list_item_t *item; + const trtp_rtcp_packets_L_t* packets = tsk_null; + tsk_size_t i; + + if(!self || !self->header){ + TSK_DEBUG_ERROR("Invalid parameter"); + return tsk_null; + } + if(self->header->type == type && index == 0){ + return self; + } + switch(self->header->type){ + case trtp_rtcp_packet_type_rr: packets = ((const trtp_rtcp_report_rr_t*)self)->packets; break; + case trtp_rtcp_packet_type_sr: packets = ((const trtp_rtcp_report_sr_t*)self)->packets; break; + case trtp_rtcp_packet_type_bye: packets = ((const trtp_rtcp_report_bye_t*)self)->packets; break; + default: break; + } + + i = 0; + tsk_list_foreach(item, packets){ + if(TRTP_RTCP_PACKET(item->data)->header->type == type && i++ >= index){ + return TRTP_RTCP_PACKET(item->data); + } + } + return tsk_null; +} + +const trtp_rtcp_packet_t* trtp_rtcp_packet_get(const trtp_rtcp_packet_t* self, trtp_rtcp_packet_type_t type) +{ + return trtp_rtcp_packet_get_at(self, type, 0); +} + +tsk_size_t trtp_rtcp_packet_get_size(const trtp_rtcp_packet_t* self) +{ + if(!self || !self->header){ + TSK_DEBUG_ERROR("Invalid parameter"); + return 0; + } + + switch(self->header->type){ + case trtp_rtcp_packet_type_rr: return trtp_rtcp_report_rr_get_size((const trtp_rtcp_report_rr_t*)self); + case trtp_rtcp_packet_type_sr: return trtp_rtcp_report_sr_get_size((const trtp_rtcp_report_sr_t*)self); + case trtp_rtcp_packet_type_sdes: return trtp_rtcp_report_sdes_get_size((const trtp_rtcp_report_sdes_t*)self); + case trtp_rtcp_packet_type_bye: return trtp_rtcp_report_bye_get_size((const trtp_rtcp_report_bye_t*)self); + case trtp_rtcp_packet_type_rtpfb: return trtp_rtcp_report_rtpfb_get_size((const trtp_rtcp_report_rtpfb_t*)self); + case trtp_rtcp_packet_type_psfb: return trtp_rtcp_report_psfb_get_size((const trtp_rtcp_report_psfb_t*)self); + default: + { + TSK_DEBUG_ERROR("%d not recognized as valid RTCP packet type", (int)self->header->type); + return self->header->length_in_bytes; + } + } +} + +int trtp_rtcp_packet_deinit(trtp_rtcp_packet_t* self) +{ + if(!self){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + TSK_OBJECT_SAFE_FREE(self->header); + return 0; +} |
