transcode: don't fail spu track if we don't have something to render

SPU track works even if it doesn't have something to render at given time.
Fixes soverlay and subtitles in sout.

diff --git a/modules/stream_out/transcode/spu.c b/modules/stream_out/transcode/spu.c
index 5738f072b2a6bef8a824292ec80aae675b809725..ccdeca14b9bd31fdf50f5d7889c64541de714aad 100644 (file)
--- a/modules/stream_out/transcode/spu.c
+++ b/modules/stream_out/transcode/spu.c
@@ -129,7 +129,10 @@ int transcode_spu_process( sout_stream_t *p_stream,
 
     p_subpic = id->p_decoder->pf_decode_sub( id->p_decoder, &in );
     if( !p_subpic )
-        return VLC_EGENERIC;
+    {
+        /* We just don't have anything to handle now, go own*/
+        return VLC_SUCCESS;
+    }
 
     if( p_sys->b_master_sync && p_sys->i_master_drift )
     {