shithub: rtmp

Download patch

ref: c9a45262d2655e843fcc0ad7382f08efcc523926
parent: 7d4898f6656fd7c060bb27c0b10d6735a1f76337
author: Sigrid Solveig Haflínudóttir <ftrvxmtrx@gmail.com>
date: Sat Aug 21 18:48:01 EDT 2021

add -A option to specify audio offset (-200 for audio delayed by 200ms)

--- a/main.c
+++ b/main.c
@@ -21,6 +21,7 @@
 static Conn *cs;
 static int ncs;
 static uvlong ns₀, vms;
+static vlong aoff;
 
 static uvlong
 ns2ms(uvlong z, uvlong ns)
@@ -49,6 +50,8 @@
 		if(af.sz == 0) /* eof */
 			break;
 		ms = ns2ms(af.ns₀, af.ns);
+		if((vlong)ms+aoff >= 0)
+			ms += aoff;
 
 		for(c = cs, i = 0; i < ncs; i++, c++){
 			if(rtmpdata(c->r, c->sid, ms, Taudio, af.buf, af.sz) != 0){
@@ -70,7 +73,7 @@
 static void
 usage(void)
 {
-	fprint(2, "usage: %s [-a AUDIO] URL [URL...]\n", argv0);
+	fprint(2, "usage: %s [-A AUDIOOFF] [-a AUDIO] URL [URL...]\n", argv0);
 	threadexitsall("usage");
 }
 
@@ -92,6 +95,9 @@
 	case 'a':
 		if((a = Bopen(EARGF(usage()), OREAD)) == nil)
 			sysfatal("%r");
+		break;
+	case 'A':
+		aoff = atoll(EARGF(usage()));
 		break;
 	default:
 		usage();