Remove non-sensical NPT computation code from c9569b35.

If you want RTSP time, please come up with an algorithm that makes some
kind of sense. In the mean, it's better not to claim to support
somethign we don't support.

modules/demux/live555.cpp

@@ -189,7 +189,6 @@ struct demux_sys_t
 
     /* */
     int64_t          i_pcr; /* The clock */
-    int64_t          i_npt; /* The current time in the stream */
     int64_t          i_npt_length;
     int64_t          i_npt_start;
 
@@ -271,7 +270,6 @@ static int  Open ( vlc_object_t *p_this )
     p_sys->i_track = 0;
     p_sys->track   = NULL;
     p_sys->i_pcr = 0;
-    p_sys->i_npt = 0;
     p_sys->i_npt_start = 0;
     p_sys->i_npt_length = 0;
     p_sys->p_out_asf = NULL;
@@ -1088,12 +1086,7 @@ static int Play( demux_t *p_demux )
     p_sys->i_npt_start = -1;
 #endif
     if( p_sys->i_npt_start < 0 )
-    {
         p_sys->i_npt_start = -1;
-        p_sys->i_npt = 0;
-    }
-    else
-        p_sys->i_npt = p_sys->i_npt_start;
 
 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
     /* Retrieve the duration if possible */
@@ -1243,12 +1236,6 @@ static int Control( demux_t *p_demux, int i_query, va_list args )
     switch( i_query )
     {
         case DEMUX_GET_TIME:
-            pi64 = (int64_t*)va_arg( args, int64_t * );
-            if( p_sys->i_npt > 0 )
-            {
-                *pi64 = p_sys->i_npt;
-                return VLC_SUCCESS;
-            }
             return VLC_EGENERIC;
 
         case DEMUX_GET_LENGTH:
@@ -1261,12 +1248,6 @@ static int Control( demux_t *p_demux, int i_query, va_list args )
             return VLC_EGENERIC;
 
         case DEMUX_GET_POSITION:
-            pf = (double*)va_arg( args, double* );
-            if( p_sys->i_npt_length > 0 && p_sys->i_npt > 0 )
-            {
-                *pf = (double)p_sys->i_npt / (double)p_sys->i_npt_length;
-                return VLC_SUCCESS;
-            }
             return VLC_EGENERIC;
 
         case DEMUX_SET_POSITION:
@@ -1304,12 +1285,7 @@ static int Control( demux_t *p_demux, int i_query, va_list args )
                 p_sys->i_npt_start = -1;
 #endif
                 if( p_sys->i_npt_start < 0 )
-                {
                     p_sys->i_npt_start = -1;
-                    p_sys->i_npt = 0;
-                }
-                else
-                    p_sys->i_npt = p_sys->i_npt_start;
 
 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
                 /* Retrieve the duration if possible */
@@ -1398,7 +1374,6 @@ static int Control( demux_t *p_demux, int i_query, va_list args )
 
         case DEMUX_SET_PAUSE_STATE:
         {
-            double d_npt = (double) p_sys->i_npt / INT64_C(1000000);
             int i;
 
             b_bool = (bool)va_arg( args, int );
@@ -1408,7 +1383,7 @@ static int Control( demux_t *p_demux, int i_query, va_list args )
             /* FIXME */
             if( ( b_bool && !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) ) ||
                     ( !b_bool && !p_sys->rtsp->playMediaSession( *p_sys->ms,
-                      d_npt > 0 ? d_npt : -1 ) ) )
+                       -1 ) ) )
             {
                     msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
                     return VLC_EGENERIC;
@@ -1445,12 +1420,7 @@ static int Control( demux_t *p_demux, int i_query, va_list args )
             p_sys->i_npt_start = -1;
 #endif
             if( p_sys->i_npt_start < 0 )
-            {
                 p_sys->i_npt_start = -1;
-                p_sys->i_npt = 0;
-            }
-            else
-                p_sys->i_npt = p_sys->i_npt_start;
 
 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
             /* Retrieve the duration if possible */
@@ -1703,20 +1673,10 @@ static void StreamRead( void *p_private, unsigned int i_size,
         memcpy( p_block->p_buffer, tk->p_buffer, i_size );
     }
 
-    /* Update NPT */
-    //msg_Dbg( p_demux, "current %d, start_seq %u", (int)tk->sub->rtpSource()->curPacketRTPSeqNum(), tk->i_start_seq );
-    if( (tk->fmt.i_cat == VIDEO_ES) && (p_sys->i_pcr < i_pts) &&
-        (i_pts > 0) && (p_sys->i_pcr > 0) )
-    {
-        p_sys->i_npt += __MAX( 0, i_pts - p_sys->i_pcr );
-        p_sys->i_pcr = i_pts;
-        //msg_Dbg( p_demux, "npt update" );
-    }
-    else if( /*tk->fmt.i_cat == VIDEO_ES &&*/ p_sys->i_pcr < i_pts )
+    if( p_sys->i_pcr < i_pts )
     {
         p_sys->i_pcr = i_pts;
     }
-    //msg_Dbg( p_demux, "npt %lld", p_sys->i_npt );
 
     if( (i_pts != tk->i_pts) && (!tk->b_muxed) )
     {