doubango/tinyMEDIA/src/tmedia_defaults.c
c732d49e
 #if HAVE_CRT
 #define _CRTDBG_MAP_ALLOC 
 #include <stdlib.h> 
 #include <crtdbg.h>
 #endif //HAVE_CRT
 /*
  * Copyright (C) 2010-2011 Mamadou Diop.
  *
  * Contact: Mamadou Diop <diopmamadou(at)doubango[dot]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 "tinymedia/tmedia_defaults.h"
 
 #include "tsk_string.h"
 #include "tsk_debug.h"
 
 #include <limits.h> /* INT_MAX */
 
 // /!\ These are global values shared by all sessions and stacks. Could be set (update) per session using "session_set()"
 
 static tmedia_profile_t __profile = tmedia_profile_default;
 static tmedia_bandwidth_level_t __bl = tmedia_bl_unrestricted;
 static tsk_bool_t __congestion_ctrl_enabled = tsk_false;
 static int32_t __video_fps = 15; // allowed values: ]0 - 120]
 static int32_t __video_motion_rank = 2; // allowed values: 1(low), 2(medium) or 4(high)
 static int32_t __bw_video_up_max_kbps = INT_MAX; // <= 0: unrestricted, Unit: kbps
 static int32_t __bw_video_down_max_kbps = INT_MAX; // <= 0: unrestricted, Unit: kbps
 static tmedia_pref_video_size_t __pref_video_size = tmedia_pref_video_size_cif; // 352 x 288: Android, iOS, WP7 
 static int32_t __jb_margin_ms = -1; // disable
 static int32_t __jb_max_late_rate_percent = -1; // -1: disable 4: default for speex
 static uint32_t __echo_tail = 100;
 static uint32_t __echo_skew = 0;
 static tsk_bool_t __echo_supp_enabled;
 static tsk_bool_t __agc_enabled = tsk_false;
 static float __agc_level = 8000.0f;
 static tsk_bool_t __vad_enabled = tsk_false;
 static tsk_bool_t __noise_supp_enabled = tsk_true;
 static int32_t __noise_supp_level = -30;
 static tsk_bool_t __100rel_enabled = tsk_true;
 static int32_t __sx = -1;
 static int32_t __sy = -1;
 static int32_t __audio_producer_gain = 0;
 static int32_t __audio_consumer_gain = 0;
 static int32_t __audio_channels_playback = 1;
 static int32_t __audio_channels_record = 1;
 static int32_t __audio_ptime = 20;
 static uint16_t __rtp_port_range_start = 1024;
 static uint16_t __rtp_port_range_stop = 65535;
 static tsk_bool_t __rtp_symetric_enabled = tsk_false; // This option is force symetric RTP for remote size. Local: always ON
 static tmedia_type_t __media_type = tmedia_audio;
 static int32_t __volume = 100;
 static char* __producer_friendly_name[3] = { tsk_null/*audio*/, tsk_null/*video*/, tsk_null/*bfcpvideo*/ }; // pref. camera(index=1) and sound card(index=0) friendly names (e.g. Logitech HD Pro Webcam C920).
 static int32_t __inv_session_expires = 0; // Session Timers: 0: disabled
 static char* __inv_session_refresher = tsk_null;
 static tmedia_srtp_mode_t __srtp_mode = tmedia_srtp_mode_none;
 static tmedia_srtp_type_t __srtp_type = tmedia_srtp_type_sdes;
 static tsk_bool_t __rtcp_enabled = tsk_true;
 static tsk_bool_t __rtcpmux_enabled = tsk_true;
 static tsk_bool_t __ice_enabled = tsk_false;
 static char* __stun_server_ip = tsk_null; // STUN/TURN server IP address
 static uint16_t __stun_server_port = 3478; // STUN for SIP headers (Contact, Via...)
 static char* __stun_usr_name = tsk_null; // STUN/TURN credentials
 static char* __stun_usr_pwd = tsk_null; // STUN/TURN credentials
 static tsk_bool_t __stun_enabled = tsk_false; // Whether STUN for SIP headers is enabled
 static tsk_bool_t __icestun_enabled = tsk_true; // Whether STUN for ICE (reflexive candidates) is enabled
 static tsk_bool_t __iceturn_enabled = tsk_false; // Whether TURN for ICE (relay candidates) is enabled
 static tsk_bool_t __bypass_encoding_enabled = tsk_false;
 static tsk_bool_t __bypass_decoding_enabled = tsk_false;
 static tsk_bool_t __videojb_enabled = tsk_true;
 static tsk_bool_t __video_zeroartifacts_enabled = tsk_false; // Requires from remote parties to support AVPF (RTCP-FIR/NACK/PLI)
 static tsk_size_t __rtpbuff_size = 0x1FFFE; // Network buffer size used for RTP (SO_RCVBUF, SO_SNDBUF)
 static tsk_size_t __avpf_tail_min = 20; // Min size for tail used to honor RTCP-NACK requests
 static tsk_size_t __avpf_tail_max = 160; // Max size for tail used to honor RTCP-NACK requests
 static tmedia_mode_t __avpf_mode = tmedia_mode_optional; // Whether to use AVPF instead of AVP or negotiate. FIXME
 static uint32_t __opus_maxcapturerate = 16000; // supported: 8k,12k,16k,24k,48k. IMPORTANT: only 8k and 16k will work with WebRTC AEC
 static uint32_t __opus_maxplaybackrate = 48000; // supported: 8k,12k,16k,24k,48k
 static char* __ssl_certs_priv_path = tsk_null;
 static char* __ssl_certs_pub_path = tsk_null;
 static char* __ssl_certs_ca_path = tsk_null;
 static tsk_bool_t __ssl_certs_verify = tsk_false;
 static tsk_size_t __max_fds = 0; // Maximum number of FDs this process is allowed to open. Zero to disable.
 static tmedia_poc_qoe_profile_t __poc_qoe_profile = tmedia_poc_qoe_profile_basic;
 static tmedia_poc_qoe_profile_strength_t __poc_qoe_profile_strength = tmedia_poc_qoe_profile_strength_none;
 
 int tmedia_defaults_set_profile(tmedia_profile_t profile){
 	__profile = profile;
 	return 0;
 }
 tmedia_profile_t tmedia_defaults_get_profile(){
 	return __profile;
 }
 
 // @deprecated
 int tmedia_defaults_set_bl(tmedia_bandwidth_level_t bl){
 	__bl = bl;
 	return 0;
 }
 // @deprecated
 tmedia_bandwidth_level_t tmedia_defaults_get_bl(){
 	return __bl;
 }
 
 int tmedia_defaults_set_congestion_ctrl_enabled(tsk_bool_t enabled){
 	__congestion_ctrl_enabled = enabled;
 	return 0;
 }
 tsk_bool_t tmedia_defaults_get_congestion_ctrl_enabled(){
 	return __congestion_ctrl_enabled;
 }
 
 int tmedia_defaults_set_video_fps(int32_t video_fps){
 	if(video_fps > 0 && video_fps <= 120){
 		__video_fps = video_fps;
 		return 0;
 	}
 	TSK_DEBUG_ERROR("%d not valid for video fps", video_fps);
 	return -1;
 }
 int32_t tmedia_defaults_get_video_fps(){
 	return __video_fps;
 }
 
 int tmedia_defaults_set_video_motion_rank(int32_t video_motion_rank){
 	switch(video_motion_rank){
 		case 1/*low*/: case 2/*medium*/: case 4/*high*/: __video_motion_rank = video_motion_rank; return 0;
 		default: TSK_DEBUG_ERROR("%d not valid for video motion rank. Must be 1, 2 or 4", video_motion_rank); return -1;
 	}
 }
 int32_t tmedia_defaults_get_video_motion_rank(){
 	return __video_motion_rank;
 }
 
 int tmedia_defaults_set_bandwidth_video_upload_max(int32_t bw_video_up_max_kbps){
 	__bw_video_up_max_kbps = bw_video_up_max_kbps > 0 ? bw_video_up_max_kbps : INT_MAX;
 	return 0;
 }
 int32_t tmedia_defaults_get_bandwidth_video_upload_max(){
 	return __bw_video_up_max_kbps;
 }
 
 int tmedia_defaults_set_bandwidth_video_download_max(int32_t bw_video_down_max_kbps){
 	__bw_video_down_max_kbps = bw_video_down_max_kbps > 0 ? bw_video_down_max_kbps : INT_MAX;
 	return 0;
 }
 int32_t tmedia_defaults_get_bandwidth_video_download_max(){
 	return __bw_video_down_max_kbps;
 }
 
 int tmedia_defaults_set_pref_video_size(tmedia_pref_video_size_t pref_video_size){
 	__pref_video_size = pref_video_size;
 	return 0;
 }
 tmedia_pref_video_size_t tmedia_defaults_get_pref_video_size(){
 	return __pref_video_size;
 }
 
 int tmedia_defaults_set_jb_margin(int32_t jb_margin_ms){
 	__jb_margin_ms = jb_margin_ms;
 	return __jb_margin_ms;
 }
 
 int32_t tmedia_defaults_get_jb_margin(){
 	return __jb_margin_ms;
 }
 
 int tmedia_defaults_set_jb_max_late_rate(int32_t jb_max_late_rate_percent){
 	__jb_max_late_rate_percent = jb_max_late_rate_percent;
 	return 0;
 }
 
 int32_t tmedia_defaults_get_jb_max_late_rate(){
 	return __jb_max_late_rate_percent;
 }
 
 int tmedia_defaults_set_echo_tail(uint32_t echo_tail){
 	__echo_tail = echo_tail;
 	return 0;
 }
 
 int tmedia_defaults_set_echo_skew(uint32_t echo_skew){
 	__echo_skew = echo_skew;
 	return 0;
 }
 
 uint32_t tmedia_defaults_get_echo_tail()
 {
 	return __echo_tail;
 }
 
 uint32_t tmedia_defaults_get_echo_skew(){
 	return __echo_skew;
 }
 
 int tmedia_defaults_set_echo_supp_enabled(tsk_bool_t echo_supp_enabled){
 	__echo_supp_enabled = echo_supp_enabled;
 	return 0;
 }
 
 tsk_bool_t tmedia_defaults_get_echo_supp_enabled(){
 	return __echo_supp_enabled;
 }
 
 int tmedia_defaults_set_agc_enabled(tsk_bool_t agc_enabled){
 	__agc_enabled = agc_enabled;
 	return 0;
 }
 
 tsk_bool_t tmedia_defaults_get_agc_enabled(){
 	return __agc_enabled;
 }
 
 int tmedia_defaults_set_agc_level(float agc_level){
 	__agc_level = agc_level;
 	return 0;
 }
 
 float tmedia_defaults_get_agc_level()
 {
 	return __agc_level;
 }
 
 int tmedia_defaults_set_vad_enabled(tsk_bool_t vad_enabled){
 	__vad_enabled = vad_enabled;
 	return 0;
 }
 
 tsk_bool_t tmedia_defaults_get_vad_enabled(){
 	return __vad_enabled;
 }
 
 int tmedia_defaults_set_noise_supp_enabled(tsk_bool_t noise_supp_enabled){
 	__noise_supp_enabled = noise_supp_enabled;
 	return 0;
 }
 
 tsk_bool_t tmedia_defaults_get_noise_supp_enabled(){
 	return __noise_supp_enabled;
 }
 
 int tmedia_defaults_set_noise_supp_level(int32_t noise_supp_level){
 	__noise_supp_level = noise_supp_level;
 	return 0;
 }
 
 int32_t tmedia_defaults_get_noise_supp_level(){
 	return __noise_supp_level;
 }
 
 int tmedia_defaults_set_100rel_enabled(tsk_bool_t _100rel_enabled){
 	__100rel_enabled = _100rel_enabled;
 	return 0;
 }
 tsk_bool_t tmedia_defaults_get_100rel_enabled(){
 	return __100rel_enabled;
 }
 
 int tmedia_defaults_set_screen_size(int32_t sx, int32_t sy){
 	__sx = sx;
 	__sy = sy;
 	return 0;
 }
 
 int32_t tmedia_defaults_get_screen_x(){
 	return __sx;
 }
 
 int32_t tmedia_defaults_get_screen_y(){
 	return __sy;
 }
 
 int tmedia_defaults_set_audio_ptime(int32_t audio_ptime){
 	if(audio_ptime > 0){
 		__audio_ptime = audio_ptime;
 		return 0;
 	}
 	TSK_DEBUG_ERROR("Invalid parameter");
 	return -1;
 }
 int32_t tmedia_defaults_get_audio_ptime(){
 	return __audio_ptime;
 }
 int tmedia_defaults_set_audio_channels(int32_t channels_playback, int32_t channels_record){
 	if(channels_playback != 1 && channels_playback != 2) { TSK_DEBUG_ERROR("Invalid parameter"); return -1; }
 	if(channels_record != 1 && channels_record != 2) { TSK_DEBUG_ERROR("Invalid parameter"); return -1; }
 	__audio_channels_playback = channels_playback;
 	__audio_channels_record = channels_record;
 	return 0;
 }
 int32_t tmedia_defaults_get_audio_channels_playback(){
 	return __audio_channels_playback;
 }
 int32_t tmedia_defaults_get_audio_channels_record(){
 	return __audio_channels_record;
 }
 
 int tmedia_defaults_set_audio_gain(int32_t audio_producer_gain, int32_t audio_consumer_gain){
 	__audio_producer_gain = audio_producer_gain;
 	__audio_consumer_gain = audio_consumer_gain;
 	return 0;
 }
 
 int32_t tmedia_defaults_get_audio_producer_gain(){
 	return __audio_producer_gain;
 }
 
 int32_t tmedia_defaults_get_audio_consumer_gain(){
 	return __audio_consumer_gain;
 }
 
 uint16_t tmedia_defaults_get_rtp_port_range_start(){
 	return __rtp_port_range_start;
 }
 
 uint16_t tmedia_defaults_get_rtp_port_range_stop(){
 	return __rtp_port_range_stop;
 }
 int tmedia_defaults_set_rtp_port_range(uint16_t start, uint16_t stop){
 	if(start < 1024 || stop < 1024 || start >= stop){
 		TSK_DEBUG_ERROR("Invalid parameter: (%u < 1024 || %u < 1024 || %u >= %u)", start, stop, start, stop);
 		return -1;
 	}
 	__rtp_port_range_start = start;
 	__rtp_port_range_stop = stop;
 	return 0;
 }
 
 int tmedia_defaults_set_rtp_symetric_enabled(tsk_bool_t enabled){
 	__rtp_symetric_enabled = enabled;
 	return 0;
 }
 tsk_bool_t tmedia_defaults_get_rtp_symetric_enabled(){
 	return __rtp_symetric_enabled;
 }
 
 tmedia_type_t tmedia_defaults_get_media_type(){
 	return __media_type;
 }
 
 int tmedia_defaults_set_media_type(tmedia_type_t media_type){
 	__media_type = media_type;
 	return 0;
 }
 
 int tmedia_defaults_set_volume(int32_t volume){
 	__volume = TSK_CLAMP(0, volume, 100);
 	return 0;
 }
 int32_t tmedia_defaults_get_volume(){
 	return __volume;
 }
 
 int tmedia_producer_set_friendly_name(tmedia_type_t media_type, const char* friendly_name) {
 	if(media_type != tmedia_audio && media_type != tmedia_video && media_type != tmedia_bfcp_video) {
 		TSK_DEBUG_ERROR("Invalid parameter");
 		return -1;
 	}
 	tsk_strupdate(&__producer_friendly_name[(media_type == tmedia_audio) ? 0 : (media_type == tmedia_bfcp_video ? 2 : 1)], friendly_name);
 	return 0;
 }
 const char* tmedia_producer_get_friendly_name(tmedia_type_t media_type){
 	if(media_type != tmedia_audio && media_type != tmedia_video && media_type != tmedia_bfcp_video) {
 		TSK_DEBUG_ERROR("Invalid parameter");
 		return tsk_null;
 	}
 	return __producer_friendly_name[(media_type == tmedia_audio) ? 0 : (media_type == tmedia_bfcp_video ? 2 : 1)];
 }
 
 int32_t tmedia_defaults_get_inv_session_expires(){
 	return __inv_session_expires;
 }
 int tmedia_defaults_set_inv_session_expires(int32_t timeout){
 	if(timeout >= 0){
 		__inv_session_expires = timeout;
 		return 0;
 	}
 	TSK_DEBUG_ERROR("Invalid parameter");
 	return -1;
 }
 
 const char* tmedia_defaults_get_inv_session_refresher(){
 	return __inv_session_refresher;
 }
 int tmedia_defaults_set_inv_session_refresher(const char* refresher){
 	tsk_strupdate(&__inv_session_refresher, refresher);
 	return 0;
 }
 
 tmedia_srtp_mode_t tmedia_defaults_get_srtp_mode(){
 	return __srtp_mode;
 }
 int tmedia_defaults_set_srtp_mode(tmedia_srtp_mode_t mode){
 	__srtp_mode = mode;
 	return 0;
 }
 
 tmedia_srtp_type_t tmedia_defaults_get_srtp_type(){
 	return __srtp_type;
 }
 int tmedia_defaults_set_srtp_type(tmedia_srtp_type_t srtp_type){
 	__srtp_type = srtp_type;
 	return 0;
 }
 
 tsk_bool_t tmedia_defaults_get_rtcp_enabled(){
 	return __rtcp_enabled;
 }
 int tmedia_defaults_set_rtcp_enabled(tsk_bool_t rtcp_enabled){
 	__rtcp_enabled = rtcp_enabled;
 	return 0;
 }
 
 tsk_bool_t tmedia_defaults_get_rtcpmux_enabled(){
 	return __rtcpmux_enabled;
 }
 int tmedia_defaults_set_rtcpmux_enabled(tsk_bool_t rtcpmux_enabled){
 	__rtcpmux_enabled = rtcpmux_enabled;
 	return 0;
 }
 
 int tmedia_defaults_set_stun_server(const char* server_ip, uint16_t server_port){
 	tsk_strupdate(&__stun_server_ip, server_ip);
 	__stun_server_port = server_port;
 	return 0;
 }
 int tmedia_defaults_get_stun_server(const char** server_ip, uint16_t*const server_port){
 	static const char* __stun_server_ip_default = "numb.viagenie.ca"; // default server for backward compatibility
 	if(server_ip) *server_ip = tsk_strnullORempty(__stun_server_ip) ? __stun_server_ip_default : __stun_server_ip;
 	if(server_port) *server_port = __stun_server_port;
 	return 0;
 }
 
 int tmedia_defaults_set_stun_cred(const char* usr_name, const char* usr_pwd) {
 	tsk_strupdate(&__stun_usr_name, usr_name);
 	tsk_strupdate(&__stun_usr_pwd, usr_pwd);
 	return 0;
 }
 int tmedia_defaults_get_stun_cred(const char** usr_name, const char** usr_pwd){
 	if(usr_name) *usr_name = __stun_usr_name;
 	if(usr_pwd) *usr_pwd = __stun_usr_pwd;
 	return 0;
 }
 
 int tmedia_defaults_set_stun_enabled(tsk_bool_t stun_enabled){
 	__stun_enabled = stun_enabled;
 	return 0;
 }
 tsk_bool_t tmedia_defaults_get_stun_enabled(){
 	return __stun_enabled;
 }
 
 int tmedia_defaults_set_icestun_enabled(tsk_bool_t icestun_enabled){
 	__icestun_enabled = icestun_enabled;
 	return 0;
 }
 tsk_bool_t tmedia_defaults_get_icestun_enabled(){
 	return __icestun_enabled;
 }
 
 int tmedia_defaults_set_iceturn_enabled(tsk_bool_t iceturn_enabled){
 	__iceturn_enabled = iceturn_enabled;
 	return 0;
 }
 tsk_bool_t tmedia_defaults_get_iceturn_enabled(){
 	return __iceturn_enabled;
 }
 
 int tmedia_defaults_set_ice_enabled(tsk_bool_t ice_enabled){
 	__ice_enabled = ice_enabled;
 	return 0;
 }
 tsk_bool_t tmedia_defaults_get_ice_enabled(){
 	return __ice_enabled;
 }
 
 int tmedia_defaults_set_bypass_encoding(tsk_bool_t enabled){
 	__bypass_encoding_enabled = enabled;
 	return 0;
 }
 tsk_bool_t tmedia_defaults_get_bypass_encoding(){
 	return __bypass_encoding_enabled;
 }
 
 int tmedia_defaults_set_bypass_decoding(tsk_bool_t enabled){
 	__bypass_decoding_enabled = enabled;
 	return 0;
 }
 tsk_bool_t tmedia_defaults_get_bypass_decoding(){
 	return __bypass_decoding_enabled;
 }
 
 int tmedia_defaults_set_videojb_enabled(tsk_bool_t enabled){
 	__videojb_enabled = enabled;
 	return 0;
 }
 tsk_bool_t tmedia_defaults_get_videojb_enabled(){
 	return __videojb_enabled;
 }
 
 int tmedia_defaults_set_video_zeroartifacts_enabled(tsk_bool_t enabled){
 	__video_zeroartifacts_enabled = enabled;
 	return 0;
 }
 tsk_bool_t tmedia_defaults_get_video_zeroartifacts_enabled(){
 	return __video_zeroartifacts_enabled;
 }
 
 int tmedia_defaults_set_rtpbuff_size(tsk_size_t rtpbuff_size){
 	__rtpbuff_size = rtpbuff_size;
 	return 0;
 }
 tsk_size_t tmedia_defaults_get_rtpbuff_size(){
 	return __rtpbuff_size;
 }
 
 int tmedia_defaults_set_avpf_tail(tsk_size_t tail_min, tsk_size_t tail_max){
 	__avpf_tail_min = tail_min;
 	__avpf_tail_max = tail_max;
 	return 0;
 }
 tsk_size_t tmedia_defaults_get_avpf_tail_min(){
 	return __avpf_tail_min;
 }
 tsk_size_t tmedia_defaults_get_avpf_tail_max(){
 	return __avpf_tail_max;
 }
 
 int tmedia_defaults_set_avpf_mode(enum tmedia_mode_e mode) {
 	__avpf_mode = mode;
 	return 0;
 }
 enum tmedia_mode_e tmedia_defaults_get_avpf_mode() {
 	return __avpf_mode;
 }
 
 int tmedia_defaults_set_opus_maxcapturerate(uint32_t opus_maxcapturerate){
 	switch(opus_maxcapturerate){
 		case 8000: case 12000: case 16000: case 24000: case 48000: __opus_maxcapturerate = opus_maxcapturerate; return 0;
 		default: TSK_DEBUG_ERROR("%u not valid for opus_maxcapturerate", opus_maxcapturerate); return -1;
 	}
 }
 uint32_t tmedia_defaults_get_opus_maxcapturerate(){
 	return __opus_maxcapturerate;
 }
 
 int tmedia_defaults_set_opus_maxplaybackrate(uint32_t opus_maxplaybackrate){
 	switch(opus_maxplaybackrate){
 		case 8000: case 12000: case 16000: case 24000: case 48000: __opus_maxplaybackrate = opus_maxplaybackrate; return 0;
 		default: TSK_DEBUG_ERROR("%u not valid for opus_maxplaybackrate", opus_maxplaybackrate); return -1;
 	}
 }
 uint32_t tmedia_defaults_get_opus_maxplaybackrate(){
 	return __opus_maxplaybackrate;
 }
 
 int tmedia_defaults_set_ssl_certs(const char* priv_path, const char* pub_path, const char* ca_path, tsk_bool_t verify){
 	tsk_strupdate(&__ssl_certs_priv_path, priv_path);
 	tsk_strupdate(&__ssl_certs_pub_path, pub_path);
 	tsk_strupdate(&__ssl_certs_ca_path, ca_path);
 	__ssl_certs_verify = verify;
 	return 0;
 }
 int tmedia_defaults_get_ssl_certs(const char** priv_path, const char** pub_path, const char** ca_path, tsk_bool_t *verify){
 	if(priv_path) *priv_path = __ssl_certs_priv_path;
 	if(pub_path) *pub_path = __ssl_certs_pub_path;
 	if(ca_path) *ca_path = __ssl_certs_ca_path;
 	if(verify) *verify = __ssl_certs_verify;
 	return 0;
 }
 
 int tmedia_defaults_set_max_fds(int32_t max_fds) {
 	if (max_fds > 0 && max_fds < 0xFFFF) {
 		__max_fds = (tsk_size_t)max_fds;
 		return 0;
 	}
 	return -1;
 }
 tsk_size_t tmedia_defaults_get_max_fds() {
 	return __max_fds;
 }
 
 int tmedia_defaults_set_poc_qoe(tmedia_poc_qoe_profile_t profile, tmedia_poc_qoe_profile_strength_t strength){
 	__poc_qoe_profile = profile;
 	__poc_qoe_profile_strength = strength;
 	return 0;
 }
 
 tmedia_poc_qoe_profile_t tmedia_defaults_get_poc_qoe_profile() {
 	return __poc_qoe_profile;
 }
 tmedia_poc_qoe_profile_strength_t tmedia_defaults_get_poc_qoe_profile_strength() {
 	return __poc_qoe_profile_strength;
 }