diff options
Diffstat (limited to 'branches/1.0/tinyRTP/src/rtp/trtp_rtp_packet.c')
| -rw-r--r-- | branches/1.0/tinyRTP/src/rtp/trtp_rtp_packet.c | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/branches/1.0/tinyRTP/src/rtp/trtp_rtp_packet.c b/branches/1.0/tinyRTP/src/rtp/trtp_rtp_packet.c deleted file mode 100644 index 2f2fcb4..0000000 --- a/branches/1.0/tinyRTP/src/rtp/trtp_rtp_packet.c +++ /dev/null @@ -1,194 +0,0 @@ -/*
-* Copyright (C) 2009-2010 Mamadou Diop.
-*
-* 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.
-*
-*/
-/**@file trtp_rtp_packet.c
- * @brief RTP packet.
- *
- * @author Mamadou Diop <diopmamadou(at)doubango.org>
- *
- * @date Created: Sat Nov 8 16:54:58 2009 mdiop
- */
-#include "tinyrtp/rtp/trtp_rtp_packet.h"
-
-#include "tnet_endianness.h"
-
-#include "tsk_memory.h"
-#include "tsk_debug.h"
-
-#include <string.h> /* memcpy() */
-
-/** Create new RTP packet */
-trtp_rtp_packet_t* trtp_rtp_packet_create_null()
-{
- return tsk_object_new(trtp_rtp_packet_def_t);
-}
-
-trtp_rtp_packet_t* trtp_rtp_packet_create(uint32_t ssrc, uint16_t seq_num, uint32_t timestamp, uint8_t payload_type, tsk_bool_t marker)
-{
- trtp_rtp_packet_t* packet;
- if((packet = tsk_object_new(trtp_rtp_packet_def_t))){
- packet->header = trtp_rtp_header_create(ssrc, seq_num, timestamp, payload_type, marker);
- }
- return packet;
-}
-
-/** Serialize rtp packet object into binary buffer */
-tsk_buffer_t* trtp_rtp_packet_serialize(const trtp_rtp_packet_t *self)
-{
- tsk_buffer_t* buffer = tsk_null;
-
- if(!self || !self->header){
- TSK_DEBUG_ERROR("Invalid parameter");
- return tsk_null;
- }
-
- if(!(buffer = trtp_rtp_header_serialize(self->header))){
- TSK_DEBUG_ERROR("Failed to serialize the RTP header");
- return tsk_null;
- }
- else{
- /* extension */
- if(self->extension.data && self->extension.size && self->header->extension){
- tsk_buffer_append(buffer, self->extension.data, self->extension.size);
- }
- /* append payload */
- tsk_buffer_append(buffer, self->payload.data_const ? self->payload.data_const : self->payload.data, self->payload.size);
- }
-
- return buffer;
-}
-
-/** Deserialize rtp packet object from binary buffer */
-trtp_rtp_packet_t* trtp_rtp_packet_deserialize(const void *data, tsk_size_t size)
-{
- trtp_rtp_packet_t* packet = tsk_null;
- trtp_rtp_header_t *header;
- tsk_size_t payload_size;
- const uint8_t* pdata = data;
-
- if(!data){
- TSK_DEBUG_ERROR("Invalid parameter");
- return tsk_null;
- }
-
- if(size< TRTP_RTP_HEADER_MIN_SIZE){
- TSK_DEBUG_ERROR("Too short to contain RTP message");
- return tsk_null;
- }
-
- /* deserialize the RTP header (the packet itsel will be deserialized only if the header deserialization succeed) */
- if(!(header = trtp_rtp_header_deserialize(data, size))){
- TSK_DEBUG_ERROR("Failed to deserialize RTP header");
- return tsk_null;
- }
- else{
- /* create the packet */
- if(!(packet = trtp_rtp_packet_create_null())){
- TSK_DEBUG_ERROR("Failed to create new RTP packet");
- TSK_OBJECT_SAFE_FREE(header);
- return tsk_null;
- }
- /* set the header */
- packet->header = header,
- header = tsk_null;
-
- /* do not need to check overflow (have been done by trtp_rtp_header_deserialize()) */
- payload_size = (size - TRTP_RTP_HEADER_MIN_SIZE - (packet->header->csrc_count * 4));
- pdata = ((const uint8_t*)data) + (size - payload_size);
-
- /* RFC 3550 - 5.3.1 RTP Header Extension
- If the X bit in the RTP header is one, a variable-length header
- extension MUST be appended to the RTP header, following the CSRC list
- if present. The header extension contains a 16-bit length field that
- counts the number of 32-bit words in the extension, excluding the
- four-octet extension header (therefore zero is a valid length). Only
- a single extension can be appended to the RTP data header.
- 0 1 2 3
- 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | defined by profile | length |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | header extension |
- | .... |
- */
- if(packet->header->extension && payload_size>=4 /* extension min-size */){
- pdata += 2; /* skip "defined by profile" field */
- packet->extension.size = 4 /* first two 16-bit fields */ + (tnet_ntohs(*((uint16_t*)pdata)) * 4/*words(32-bit)*/);
- pdata += 2; /* skip "length" field */
- if((packet->extension.data = tsk_calloc(packet->extension.size, sizeof(uint8_t)))){
- memcpy(packet->extension.data, (pdata - 4), packet->extension.size);
- }
- payload_size -= packet->extension.size;
- }
-
- packet->payload.size = payload_size;
- if(payload_size && (packet->payload.data = tsk_calloc(packet->payload.size, sizeof(uint8_t)))){
- memcpy(packet->payload.data, pdata, packet->payload.size);
- }
- else{
- TSK_DEBUG_ERROR("Failed to allocate new buffer");
- packet->payload.size = 0;
- }
- }
-
- return packet;
-}
-
-
-
-
-
-
-
-
-
-//=================================================================================================
-// RTP packet object definition
-//
-static tsk_object_t* trtp_rtp_packet_ctor(tsk_object_t * self, va_list * app)
-{
- trtp_rtp_packet_t *packet = self;
- if(packet){
- }
- return self;
-}
-
-static tsk_object_t* trtp_rtp_packet_dtor(tsk_object_t * self)
-{
- trtp_rtp_packet_t *packet = self;
- if(packet){
- TSK_OBJECT_SAFE_FREE(packet->header);
- TSK_FREE(packet->payload.data);
- TSK_FREE(packet->extension.data);
- packet->payload.data_const = tsk_null;
- }
-
- return self;
-}
-
-static const tsk_object_def_t trtp_rtp_packet_def_s =
-{
- sizeof(trtp_rtp_packet_t),
- trtp_rtp_packet_ctor,
- trtp_rtp_packet_dtor,
- tsk_null,
-};
-const tsk_object_def_t *trtp_rtp_packet_def_t = &trtp_rtp_packet_def_s;
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