[vlc-devel] [PATCH] live555: retrieve RTSP track languages from SDP

[Gilles Chanteperdrix]

by parsing the "a=lang:" attribute.
---
 modules/access/live555.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/modules/access/live555.cpp b/modules/access/live555.cpp
index b9ed723..014fc7e 100644
--- a/modules/access/live555.cpp
+++ b/modules/access/live555.cpp
@@ -685,6 +685,7 @@ static int SessionsSetup( demux_t *p_demux )
     unsigned int   i_receive_buffer = 0;
     int            i_frame_buffer = DEFAULT_FRAME_BUFFER_SIZE;
     unsigned const thresh = 200000; /* RTP reorder threshold .2 second (default .1) */
+    const char     *lang;
 
     b_rtsp_tcp    = var_CreateGetBool( p_demux, "rtsp-tcp" ) ||
                     var_GetBool( p_demux, "rtsp-http" );
@@ -1090,6 +1091,15 @@ static int SessionsSetup( demux_t *p_demux )
                 }
             }
 
+            /* Try and parse a=lang: attribute */
+            lang = strstr(sub->savedSDPLines(), "a=lang:");
+            if (lang) {
+                unsigned sz;
+                lang += 7;
+                sz = strcspn(lang, " \r\n");
+                tk->fmt.psz_language = strndup(lang, sz);
+            }
+
             if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf )
             {
                 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
-- 
1.8.4.rc3