95 lines
2.3 KiB
C
95 lines
2.3 KiB
C
/*
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* Copyright (C) 2009 Mamadou Diop.
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*
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* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
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*
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* This file is part of Open Source Doubango Framework.
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*
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* DOUBANGO is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* DOUBANGO is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with DOUBANGO.
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*
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*/
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/**@file tmedia_common.c
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* @brief Common functions and definitions.
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*
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* @author Mamadou Diop <diopmamadou(at)doubango.org>
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*
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* @date Created: Sat Nov 8 16:54:58 2009 mdiop
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*/
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#include "tinymedia/tmedia_common.h"
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#include "tinymedia/tmedia_session.h"
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#include "tsk_debug.h"
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#include <stdlib.h> /* atoi() */
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tmedia_type_t tmedia_type_from_sdp(const tsdp_message_t* sdp)
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{
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tmedia_type_t type = tmedia_none;
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const tsdp_header_M_t* M;
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tsk_size_t index = 0;
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const tmedia_session_plugin_def_t* plugin;
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if(!sdp){
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TSK_DEBUG_ERROR("Invalid parameter");
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return tmedia_none;
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}
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while((M = (const tsdp_header_M_t*)tsdp_message_get_headerAt(sdp, tsdp_htype_M, index++))){
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if((plugin = tmedia_session_plugin_find_by_media(M->media))){
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type |= plugin->type;
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}
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}
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return type;
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}
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int tmedia_parse_rtpmap(const char* rtpmap, char** name, int32_t* rate, int32_t* channels)
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{
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/* e.g. AMR-WB/16000/2 */
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size_t len;
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if(tsk_strnullORempty(rtpmap)){
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TSK_DEBUG_ERROR("Invalid parameter");
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return -1;
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}
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*name = tsk_null;
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*rate = *channels = 0;
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len = tsk_strlen(rtpmap);
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/* e.g. AMR-WB/16000/2 */
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if(sscanf(rtpmap, "%*s/%*d/%*d")){
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int index = tsk_strindexOf(rtpmap, len, "/");
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*name = tsk_strndup(rtpmap, index);
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sscanf(&rtpmap[index+1], "%d/%d", rate, channels);
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}
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/* e.g. AMR-WB/16000 */
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else if(sscanf(rtpmap, "%*s/%*d")){
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int index = tsk_strindexOf(rtpmap, len, "/");
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*name = tsk_strndup(rtpmap, index);
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*rate = atoi(&rtpmap[index+1]);
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}
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/* e.g. AMR-WB */
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else{
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*name = tsk_strdup(rtpmap);
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return 0;
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}
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return -2;
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}
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