live555: Discard truncated DV frames

The DV demuxer (rawdv) can't deal with truncated frames, so discard them.
Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

modules/demux/live555.cpp

@@ -154,6 +154,7 @@ typedef struct
     bool            b_muxed;
     bool            b_quicktime;
     bool            b_asf;
+    bool            b_discard_trunc;
     stream_t        *p_out_muxed;    /* for muxed stream */
 
     uint8_t         *p_buffer;
@@ -784,6 +785,7 @@ static int SessionsSetup( demux_t *p_demux )
             tk->b_quicktime = false;
             tk->b_asf       = false;
             tk->b_muxed     = false;
+            tk->b_discard_trunc = false;
             tk->p_out_muxed = NULL;
             tk->waiting     = 0;
             tk->b_rtcp_sync = false;
@@ -1001,6 +1003,7 @@ static int SessionsSetup( demux_t *p_demux )
                 else if( !strcmp( sub->codecName(), "DV" ) )
                 {
                     tk->b_muxed = true;
+                    tk->b_discard_trunc = true;
                     tk->p_out_muxed = stream_DemuxNew( p_demux, "rawdv",
                                                        p_demux->out );
                 }
@@ -1618,7 +1621,9 @@ static void StreamRead( void *p_private, unsigned int i_size,
 
     /* grow buffer if it looks like buffer is too small, but don't eat
      * up all the memory on strange streams */
-    if( i_truncated_bytes > 0 && tk->i_buffer < 2000000 )
+    if( i_truncated_bytes > 0 )
+    {
+        if( tk->i_buffer < 2000000 )
         {
             void *p_tmp;
             msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
@@ -1635,6 +1640,14 @@ static void StreamRead( void *p_private, unsigned int i_size,
             }
         }
 
+        if( tk->b_discard_trunc )
+        {
+            p_sys->event = 0xff;
+            tk->waiting = 0;
+            return;
+        }
+    }
+
     assert( i_size <= tk->i_buffer );
 
     if( tk->fmt.i_codec == VLC_CODEC_AMR_NB ||