updated doc for LATM decoder config insertion frequency and made sure…

… first AAC+LATM sent has a decoder config

share/doc/man/gpac-filters.1

@@ -4729,6 +4729,13 @@ The filter will look for property M2TSRA set on the input stream.
 The value can either be a 4CC or a string, indicating the MP2G-2 TS Registration tag for unknown media types.
 .br
 
+.br
+.SH Notes
+.LP
+.br
+In LATM mux mode, the decoder configuration is inserted at the given .I repeat_rate or CarouselRate PID property if defined.
+.br
+
 .br
 .SH Options (expert):
 .LP
@@ -11118,7 +11125,7 @@ Authors: GPAC developers, see git repo history (-log)
 .br
 For bug reports, feature requests, more information and source code, visit https://github.com/gpac/gpac
 .br
-build: 2.3-DEV-rev21-ga62df36f6-master
+build: 2.3-DEV-rev29-ga6c21ad14-master
 .br
 Copyright: (c) 2000-2023 Telecom Paris distributed under LGPL v2.1+ - http://gpac.io
 .br

share/doc/man/gpac.1

@@ -4960,7 +4960,7 @@ Authors: GPAC developers, see git repo history (-log)
 .br
 For bug reports, feature requests, more information and source code, visit https://github.com/gpac/gpac
 .br
-build: 2.3-DEV-rev21-ga62df36f6-master
+build: 2.3-DEV-rev29-ga6c21ad14-master
 .br
 Copyright: (c) 2000-2023 Telecom Paris distributed under LGPL v2.1+ - http://gpac.io
 .br

share/doc/man/mp4box.1

@@ -2924,7 +2924,7 @@ Authors: GPAC developers, see git repo history (-log)
 .br
 For bug reports, feature requests, more information and source code, visit https://github.com/gpac/gpac
 .br
-build: 2.3-DEV-rev21-ga62df36f6-master
+build: 2.3-DEV-rev29-ga6c21ad14-master
 .br
 Copyright: (c) 2000-2023 Telecom Paris distributed under LGPL v2.1+ - http://gpac.io
 .br

src/filters/mux_ts.c

@@ -2096,6 +2096,9 @@ GF_FilterRegister TSMuxRegister = {
 		"The filter watches the property `FileNumber` on incoming packets to create new files, or new segments in DASH mode.\n"
 		"The filter will look for property `M2TSRA` set on the input stream.\n"
 		"The value can either be a 4CC or a string, indicating the MP2G-2 TS Registration tag for unknown media types.\n"
+		"\n"
+		"# Notes\n"
+		"In LATM mux mode, the decoder configuration is inserted at the given [-repeat_rate]() or `CarouselRate` PID property if defined.\n"
 	)
 	.private_size = sizeof(GF_TSMuxCtx),
 	.args = TSMuxArgs,

src/media_tools/m2ts_mux.c

@@ -1504,11 +1504,11 @@ static u32 gf_m2ts_stream_process_pes(GF_M2TS_Mux *muxer, GF_M2TS_Mux_Stream *st
 
 		/*same mux config = 0 (refresh aac config)*/
 		stream_time_ms = (u32) (stream->time.sec*1000 + stream->time.nanosec/1000000);
-		if (stream->ifce->decoder_config && (stream->latm_last_aac_time + stream->refresh_rate_ms < stream_time_ms)) {
+		if (stream->ifce->decoder_config && (!stream_time_ms || (stream->latm_last_aac_time + stream->refresh_rate_ms < stream_time_ms-1))) {
 #ifndef GPAC_DISABLE_AV_PARSERS
 			GF_M4ADecSpecInfo cfg;
 #endif
-			stream->latm_last_aac_time = stream_time_ms;
+			stream->latm_last_aac_time = stream_time_ms+1;
 
 			gf_bs_write_int(bs, 0, 1);
 			/*mux config */