* Unrolled two loops in dvd_netlist.c to prevent flooding.
  * DVD input stuttering fix by Jon Lech Johansen.

ChangeLog

@@ -4,6 +4,9 @@
 
 HEAD
 
+  * Unrolled two loops in dvd_netlist.c to prevent message flooding.
+  * DVD input stuttering fix by Jon Lech Johansen.
+  * Removed a lock that caused late frames in DVDRead.
   * Added gprof profiling support with --enable-profiling.
   * Fully working Windows DVD ioctl support by Jon Lech Johansen.
   * DirectX enhancements by Gildas Bazin, such as software rendering.

plugins/dvd/dvd_netlist.c

@@ -7,7 +7,7 @@
  * will only be given back to netlist when refcount is zero.
  *****************************************************************************
  * Copyright (C) 1998, 1999, 2000, 2001 VideoLAN
- * $Id: dvd_netlist.c,v 1.10 2001/06/13 00:03:08 stef Exp $
+ * $Id: dvd_netlist.c,v 1.11 2001/06/15 05:12:30 sam Exp $
  *
  * Authors: Henri Fallon <henri@videolan.org>
  *          Stphane Borel <stef@videolan.org>
@@ -250,21 +250,40 @@ struct iovec * DVDGetiovec( void * p_method_data )
     p_netlist = (dvd_netlist_t *)p_method_data;
     
     /* check that we have enough free iovec */
-    while( (
+    if( (
      (p_netlist->i_iovec_end - p_netlist->i_iovec_start)
         & p_netlist->i_nb_iovec ) < p_netlist->i_read_once )
     {
         intf_WarnMsg( 12, "input info: waiting for free iovec" );
         msleep( INPUT_IDLE_SLEEP );
+
+        while( (
+         (p_netlist->i_iovec_end - p_netlist->i_iovec_start)
+            & p_netlist->i_nb_iovec ) < p_netlist->i_read_once )
+        {
+            msleep( INPUT_IDLE_SLEEP );
+        }
+
+        intf_WarnMsg( 12, "input info: found free iovec" );
     }
 
-    while( (
+    if( (
      (p_netlist->i_data_end - p_netlist->i_data_start)
         & p_netlist->i_nb_data ) < p_netlist->i_read_once )
     {
         intf_WarnMsg( 12, "input info: waiting for free data packet" );
         msleep( INPUT_IDLE_SLEEP );
+
+        while( (
+         (p_netlist->i_data_end - p_netlist->i_data_start)
+            & p_netlist->i_nb_data ) < p_netlist->i_read_once )
+        {
+            msleep( INPUT_IDLE_SLEEP );
+        }
+
+        intf_WarnMsg( 12, "input info: found free data packet" );
     }
+
     /* readv only takes contiguous buffers 
      * so, as a solution, we chose to have a FIFO a bit longer
      * than i_nb_data, and copy the begining of the FIFO to its end

plugins/dvd/input_dvd.c

@@ -10,7 +10,7 @@
  *  -dvd_udf to find files
  *****************************************************************************
  * Copyright (C) 1998-2001 VideoLAN
- * $Id: input_dvd.c,v 1.75 2001/06/15 01:22:58 stef Exp $
+ * $Id: input_dvd.c,v 1.76 2001/06/15 05:12:30 sam Exp $
  *
  * Author: Stphane Borel <stef@via.ecp.fr>
  *
@@ -157,7 +157,6 @@ static int DVDProbe( probedata_t *p_data )
     input_thread_t * p_input = (input_thread_t *)p_data;
 
     char * psz_name = p_input->p_source;
-    dvdcss_handle dvdhandle;
     int i_score = 5;
 
     if( TestMethod( INPUT_METHOD_VAR, "dvd" ) )
@@ -180,12 +179,6 @@ static int DVDProbe( probedata_t *p_data )
         psz_name += 4;
     }
 
-    dvdhandle = dvdcss_open( psz_name, DVDCSS_INIT_QUIET );
-    if( dvdhandle == NULL )
-    {
-        return( 0 );
-    }
-
     return( i_score );
 }
 
@@ -211,25 +204,7 @@ static void DVDInit( input_thread_t * p_input )
     p_input->p_plugin_data = (void *)p_dvd;
     p_input->p_method_data = NULL;
 
-    /* XXX: put this shit in an access plugin */
-    if( strlen( p_input->p_source ) > 4
-         && !strncasecmp( p_input->p_source, "dvd:", 4 ) )
-    {
-        p_dvd->dvdhandle = dvdcss_open( p_input->p_source + 4,
-                                        DVDCSS_INIT_QUIET );
-    }
-    else
-    {
-        p_dvd->dvdhandle = dvdcss_open( p_input->p_source,
-                                        DVDCSS_INIT_QUIET );
-    }
-
-    if( p_dvd->dvdhandle == NULL )
-    {
-        free( p_dvd );
-        p_input->b_error = 1;
-        return;
-    }
+    p_dvd->dvdhandle = (dvdcss_handle) p_input->i_handle;
 
     dvdcss_seek( p_dvd->dvdhandle, 0 );
 
@@ -335,6 +310,56 @@ static void DVDInit( input_thread_t * p_input )
     return;
 }
 
+/*****************************************************************************
+ * DVDOpen: open dvd
+ *****************************************************************************/
+static void DVDOpen( struct input_thread_s *p_input )
+{
+    dvdcss_handle dvdhandle;
+
+    vlc_mutex_lock( &p_input->stream.stream_lock );
+
+    /* If we are here we can control the pace... */
+    p_input->stream.b_pace_control = 1;
+
+    p_input->stream.b_seekable = 1;
+    p_input->stream.p_selected_area->i_size = 0;
+
+    p_input->stream.p_selected_area->i_tell = 0;
+
+    vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+    /* XXX: put this shit in an access plugin */
+    if( strlen( p_input->p_source ) > 4
+         && !strncasecmp( p_input->p_source, "dvd:", 4 ) )
+    {
+        dvdhandle = dvdcss_open( p_input->p_source + 4,
+                                        DVDCSS_INIT_QUIET );
+    }
+    else
+    {
+        dvdhandle = dvdcss_open( p_input->p_source,
+                                        DVDCSS_INIT_QUIET );
+    }
+
+    if( dvdhandle == NULL )
+    {
+        p_input->b_error = 1;
+        return;
+    }
+
+    p_input->i_handle = (int) dvdhandle;
+}
+
+/*****************************************************************************
+ * DVDClose: close dvd
+ *****************************************************************************/
+static void DVDClose( struct input_thread_s *p_input )
+{
+    /* Clean up libdvdcss */
+    dvdcss_close( (dvdcss_handle) p_input->i_handle );
+}
+
 /*****************************************************************************
  * DVDEnd: frees unused data
  *****************************************************************************/
@@ -348,9 +373,6 @@ static void DVDEnd( input_thread_t * p_input )
 
     IfoDestroy( p_dvd->p_ifo );
 
-    /* Clean up libdvdcss */
-    dvdcss_close( p_dvd->dvdhandle );
-
     free( p_dvd );
 
     DVDNetlistEnd( p_netlist );
@@ -1057,16 +1079,6 @@ static void DVDSeek( input_thread_t * p_input, off_t i_off )
     return;
 }
 
-static void DVDOpen     ( struct input_thread_s *p_input )
-{
-    return;
-}
-
-static void DVDClose    ( struct input_thread_s *p_input )
-{
-    return;
-}
-
 #define cell  p_dvd->p_ifo->vts.cell_inf
 
 /*****************************************************************************

src/input/input.c

@@ -4,7 +4,7 @@
  * decoders.
  *****************************************************************************
  * Copyright (C) 1998, 1999, 2000 VideoLAN
- * $Id: input.c,v 1.122 2001/06/14 02:47:45 sam Exp $
+ * $Id: input.c,v 1.123 2001/06/15 05:12:30 sam Exp $
  *
  * Authors: Christophe Massiot <massiot@via.ecp.fr>
  *
@@ -424,7 +424,6 @@ static int InitThread( input_thread_t * p_input )
     if( p_input->b_error )
     {
         /* We barfed -- exit nicely */
-        p_input->pf_close( p_input );
         module_Unneed( p_input->p_input_module );
         return( -1 );
     }