siproc

commit aaba845392ac1d37786166ca3cde8420ac5901c4
parent f27423ab9435c32d8214739c1b0db555aa8f1f1b
Author: Dominik Schmidt <dominik@schm1dt.ch>
Date:   Sat, 16 Nov 2019 18:18:13 +0100

Allow users to give codec priorities via environment variables

Diffstat:
M
siproc.1
 | 
8
++++++++
M
src/siproc.cpp
 | 
24
++++++++++++++++++++++++

2 files changed, 32 insertions(+), 0 deletions(-)
diff --git a/siproc.1 b/siproc.1
@@ -52,6 +52,14 @@ it to distinct values, since the softphone binds to it.
 .TP
 .B SIPROC_LOG_LEVEL
 The verbosity of the pjsua-library. Smaller values yield less noise on stdout.
+.TP
+.B SIPROC_CODEC_PRIORITIES
+Set the priorities of different codecs used by pjsua.
+It must be of the form 
+.B <name>:<prio>[,<name>:<prio>...]
+Setting the priority to 0 disables the codec.
+For a list of all available codecs, refer to the output of 
+.B siproc-parameters
 .
 .SS SUBPROCESS ENVIRONMENT VARIABLES
 The processes spawned by siproc are passed the following environment variables:
diff --git a/src/siproc.cpp b/src/siproc.cpp
@@ -541,6 +541,30 @@ int main(int argc, char **argv){
 		EpConfig ep_cfg;
 		ep_cfg.logConfig.level = atoi(env_or_default("SIPROC_LOG_LEVEL", "5"));;
 		ep.libInit(ep_cfg);
+		
+		char *codec_prios;
+		if((codec_prios = getenv("SIPROC_CODEC_PRIORITIES"))){
+			
+			while(codec_prios != NULL){
+				char *name = codec_prios;
+				codec_prios = strstr(codec_prios, ",");
+				if(codec_prios != NULL){
+					*codec_prios++='\0';
+				}
+				char *prio = strstr(name, ":");
+				if(prio == NULL){
+					fprintf(stderr, "Codecs string malformed. Should be <name>:<prio>[,<name>:<prio>...]");
+					break;
+				}
+				*prio++='\0';
+				int prio_i = atoi(prio);
+				if(prio_i < 0 || prio_i > 255){
+					fprintf(stderr, "Codec priority must be in [0,255]");
+				}
+				ep.codecSetPriority(string(name), prio_i);
+			}
+		}
+		
 		AudDevManager &adm = ep.audDevManager();
 		adm.setNullDev();