Added nsv stream record mode support.

modules/demux/nsv.c

@@ -72,6 +72,8 @@ struct demux_sys_t
     int64_t     i_pcr;
     int64_t     i_time;
     int64_t     i_pcr_inc;
+
+    bool b_start_record;
 };
 
 static int Demux  ( demux_t *p_demux );
@@ -120,6 +122,8 @@ static int Open( vlc_object_t *p_this )
     p_sys->i_time  = 0;
     p_sys->i_pcr_inc = 0;
 
+    p_sys->b_start_record = false;
+
     return VLC_SUCCESS;
 }
 
@@ -159,16 +163,19 @@ static int Demux( demux_t *p_demux )
         if( !memcmp( p_peek, "NSVf", 4 ) )
         {
             if( ReadNSVf( p_demux ) )
-            {
                 return -1;
-            }
         }
         else if( !memcmp( p_peek, "NSVs", 4 ) )
         {
-            if( ReadNSVs( p_demux ) )
+            if( p_sys->b_start_record )
             {
-                return -1;
+                /* Enable recording once synchronized */
+                stream_Control( p_demux->s, STREAM_SET_RECORD_STATE, true, "nsv" );
+                p_sys->b_start_record = false;
             }
+
+            if( ReadNSVs( p_demux ) )
+                return -1;
             break;
         }
         else if( GetWLE( p_peek ) == 0xbeef )
@@ -185,9 +192,7 @@ static int Demux( demux_t *p_demux )
         {
             msg_Err( p_demux, "invalid signature 0x%x (%4.4s)", GetDWLE( p_peek ), (const char*)p_peek );
             if( ReSynch( p_demux ) )
-            {
                 return -1;
-            }
         }
     }
 
@@ -316,6 +321,7 @@ static int Control( demux_t *p_demux, int i_query, va_list args )
 {
     demux_sys_t *p_sys = p_demux->p_sys;
     double f, *pf;
+    bool b_bool, *pb_bool;
     int64_t i64, *pi64;
 
     switch( i_query )
@@ -372,6 +378,20 @@ static int Control( demux_t *p_demux, int i_query, va_list args )
             *pf = (double)1000000.0 / (double)p_sys->i_pcr_inc;
             return VLC_SUCCESS;
 
+        case DEMUX_CAN_RECORD:
+            pb_bool = (bool*)va_arg( args, bool * );
+            *pb_bool = true;
+            return VLC_SUCCESS;
+
+        case DEMUX_SET_RECORD_STATE:
+            b_bool = (bool)va_arg( args, int );
+
+            if( !b_bool )
+                stream_Control( p_demux->s, STREAM_SET_RECORD_STATE, false );
+            p_sys->b_start_record = b_bool;
+            return VLC_SUCCESS;
+
+
         case DEMUX_SET_TIME:
         default:
             return VLC_EGENERIC;