]> git.sesse.net Git - vlc/blobdiff - src/misc/win32_specific.c
Src: change Windows Timer Precision, ref #264. Patch by atmo / Andre Weber.
[vlc] / src / misc / win32_specific.c
index a54efca6cf000ae357549145aca17ef5aa271edf..2fc5d2dcaba92235e63a0b8e6baa5fc1335bbdf4 100644 (file)
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
-#include <string.h>                                              /* strdup() */
-#include <stdlib.h>                                                /* free() */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
 
 #include <vlc/vlc.h>
-#include <vlc/input.h>
-#include "vlc_playlist.h"
+#include "../libvlc.h"
+#include <vlc_playlist.h>
+#include <vlc_charset.h>
 
 #ifdef WIN32                       /* optind, getopt(), included in unistd.h */
 #   include "../extras/getopt.h"
@@ -35,6 +38,7 @@
 #if !defined( UNDER_CE )
 #   include <io.h>
 #   include <fcntl.h>
+#   include  <mmsystem.h>
 #endif
 
 #include <winsock.h>
@@ -42,7 +46,7 @@
 /*****************************************************************************
  * system_Init: initialize winsock and misc other things.
  *****************************************************************************/
-void system_Init( vlc_t *p_this, int *pi_argc, char *ppsz_argv[] )
+void system_Init( libvlc_int_t *p_this, int *pi_argc, const char *ppsz_argv[] )
 {
     WSADATA Data;
 
@@ -72,31 +76,43 @@ void system_Init( vlc_t *p_this, int *pi_argc, char *ppsz_argv[] )
 
     if( (psz_vlc = strrchr( psz_path, '\\' )) ) *psz_vlc = '\0';
 
-    p_this->p_libvlc->psz_vlcpath = strdup( psz_path );
+#ifndef HAVE_RELEASE
+    {
+        /* remove trailing \.libs from executable dir path if seen,
+           we assume we are running vlc through libtool wrapper in build dir */
+        int offset  = strlen(psz_path)-sizeof("\\.libs")+1;
+        if( offset > 0 )
+        {
+            psz_vlc = psz_path+offset;
+            if( ! strcmp(psz_vlc, "\\.libs") ) *psz_vlc = '\0';
+        }
+    }
+#endif
+
+    vlc_global()->psz_vlcpath = strdup( psz_path );
 
     /* Set the default file-translation mode */
 #if !defined( UNDER_CE )
     _fmode = _O_BINARY;
     _setmode( _fileno( stdin ), _O_BINARY ); /* Needed for pipes */
+
+    timeBeginPeriod(5);
 #endif
 
     /* Call mdate() once to make sure it is initialized properly */
     mdate();
 
     /* WinSock Library Init. */
-    if( !WSAStartup( MAKEWORD( 2, 0 ), &Data ) )
+    if( !WSAStartup( MAKEWORD( 2, 2 ), &Data ) )
     {
-        /* Confirm that the WinSock DLL supports 2.0.*/
-        if( LOBYTE( Data.wVersion ) != 2 || HIBYTE( Data.wVersion ) != 0 )
-        {
+        /* Aah, pretty useless check, we should always have Winsock 2.2
+         * since it appeared in Win98. */
+        if( LOBYTE( Data.wVersion ) != 2 || HIBYTE( Data.wVersion ) != 2 )
             /* We could not find a suitable WinSock DLL. */
             WSACleanup( );
-        }
         else
-        {
             /* Everything went ok. */
             return;
-        }
     }
 
     /* Let's try with WinSock 1.1 */
@@ -104,20 +120,14 @@ void system_Init( vlc_t *p_this, int *pi_argc, char *ppsz_argv[] )
     {
         /* Confirm that the WinSock DLL supports 1.1.*/
         if( LOBYTE( Data.wVersion ) != 1 || HIBYTE( Data.wVersion ) != 1 )
-        {
             /* We could not find a suitable WinSock DLL. */
             WSACleanup( );
-        }
         else
-        {
             /* Everything went ok. */
             return;
-        }
     }
 
     fprintf( stderr, "error: can't initialize WinSocks\n" );
-
-    return;
 }
 
 /*****************************************************************************
@@ -125,13 +135,16 @@ void system_Init( vlc_t *p_this, int *pi_argc, char *ppsz_argv[] )
  *****************************************************************************/
 static void IPCHelperThread( vlc_object_t * );
 LRESULT CALLBACK WMCOPYWNDPROC( HWND, UINT, WPARAM, LPARAM );
+typedef struct
+{
+  int argc;
+  int enqueue;
+  char data[0];
+} vlc_ipc_data_t;
 
-void system_Configure( vlc_t *p_this, int *pi_argc, char *ppsz_argv[] )
+void system_Configure( libvlc_int_t *p_this, int *pi_argc, const char *ppsz_argv[] )
 {
 #if !defined( UNDER_CE )
-    p_this->p_libvlc->b_fast_mutex = config_GetInt( p_this, "fast-mutex" );
-    p_this->p_libvlc->i_win9x_cv = config_GetInt( p_this, "win9x-cv-method" );
-
     /* Raise default priority of the current process */
 #ifndef ABOVE_NORMAL_PRIORITY_CLASS
 #   define ABOVE_NORMAL_PRIORITY_CLASS 0x00008000
@@ -149,7 +162,9 @@ void system_Configure( vlc_t *p_this, int *pi_argc, char *ppsz_argv[] )
         }
     }
 
-    if( config_GetInt( p_this, "one-instance" ) )
+    if( config_GetInt( p_this, "one-instance" )
+        || ( config_GetInt( p_this, "one-instance-when-started-from-file" )
+             && config_GetInt( p_this, "started-from-file" ) ) )
     {
         HANDLE hmutex;
 
@@ -208,27 +223,31 @@ void system_Configure( vlc_t *p_this, int *pi_argc, char *ppsz_argv[] )
             if( *pi_argc - 1 >= optind )
             {
                 COPYDATASTRUCT wm_data;
-                int i_opt, i_data;
-                char *p_data;
+                int i_opt;
+                vlc_ipc_data_t *p_data;
+                size_t i_data = sizeof (*p_data);
 
-                i_data = sizeof(int);
                 for( i_opt = optind; i_opt < *pi_argc; i_opt++ )
                 {
-                    i_data += sizeof(int);
+                    i_data += sizeof (size_t);
                     i_data += strlen( ppsz_argv[ i_opt ] ) + 1;
                 }
 
-                p_data = (char *)malloc( i_data );
-                *((int *)&p_data[0]) = *pi_argc - optind;
-                i_data = sizeof(int);
+                p_data = malloc( i_data );
+                p_data->argc = *pi_argc - optind;
+                p_data->enqueue = config_GetInt( p_this, "playlist-enqueue" );
+                i_data = 0;
                 for( i_opt = optind; i_opt < *pi_argc; i_opt++ )
                 {
-                    int i_len = strlen( ppsz_argv[ i_opt ] ) + 1;
-                    *((int *)&p_data[i_data]) = i_len;
-                    i_data += sizeof(int);
-                    memcpy( &p_data[i_data], ppsz_argv[ i_opt ], i_len );
+                    size_t i_len = strlen( ppsz_argv[ i_opt ] ) + 1;
+                    /* Windows will never switch to an architecture
+                     * with stronger alignment requirements, right. */
+                    *((size_t *)(p_data->data + i_data)) = i_len;
+                    i_data += sizeof (size_t);
+                    memcpy( &p_data->data[i_data], ppsz_argv[ i_opt ], i_len );
                     i_data += i_len;
                 }
+                i_data += sizeof (*p_data);
 
                 /* Send our playlist items to the 1st instance */
                 wm_data.dwData = 0;
@@ -302,18 +321,16 @@ LRESULT CALLBACK WMCOPYWNDPROC( HWND hwnd, UINT uMsg, WPARAM wParam,
 
         if( pwm_data->lpData )
         {
-            int i_argc, i_data, i_opt, i_options;
             char **ppsz_argv;
-            char *p_data = (char *)pwm_data->lpData;
+            vlc_ipc_data_t *p_data = (vlc_ipc_data_t *)pwm_data->lpData;
+            size_t i_data = 0;
+            int i_argc = p_data->argc, i_opt, i_options;
 
-            i_argc = *((int *)&p_data[0]);
             ppsz_argv = (char **)malloc( i_argc * sizeof(char *) );
-            i_data = sizeof(int);
             for( i_opt = 0; i_opt < i_argc; i_opt++ )
             {
-                ppsz_argv[i_opt] = &p_data[i_data + sizeof(int)];
-                i_data += *((int *)&p_data[i_data]);
-                i_data += sizeof(int);
+                ppsz_argv[i_opt] = p_data->data + i_data + sizeof(int);
+                i_data += sizeof(int) + *((int *)(p_data->data + i_data));
             }
 
             for( i_opt = 0; i_opt < i_argc; i_opt++ )
@@ -326,20 +343,12 @@ LRESULT CALLBACK WMCOPYWNDPROC( HWND hwnd, UINT uMsg, WPARAM wParam,
                 {
                     i_options++;
                 }
-                if( i_opt || config_GetInt( p_this, "playlist-enqueue" ) )
-                {
-                  playlist_AddExt( p_playlist, ppsz_argv[i_opt],
-                    ppsz_argv[i_opt], PLAYLIST_APPEND ,
-                    PLAYLIST_END, -1,
-                    (char const **)( i_options ? &ppsz_argv[i_opt+1] : NULL ),
-                    i_options );
-                } else {
-                  playlist_AddExt( p_playlist, ppsz_argv[i_opt],
-                    ppsz_argv[i_opt], PLAYLIST_APPEND | PLAYLIST_GO,
-                    PLAYLIST_END, -1,
-                    (char const **)( i_options ? &ppsz_argv[i_opt+1] : NULL ),
-                    i_options );
-                }
+                playlist_AddExt( p_playlist, ppsz_argv[i_opt],
+                  NULL, PLAYLIST_APPEND |
+                        ( ( i_opt || p_data->enqueue ) ? 0 : PLAYLIST_GO ),
+                  PLAYLIST_END, -1,
+                  (char const **)( i_options ? &ppsz_argv[i_opt+1] : NULL ),
+                  i_options, VLC_TRUE, VLC_FALSE );
 
                 i_opt += i_options;
             }
@@ -356,7 +365,17 @@ LRESULT CALLBACK WMCOPYWNDPROC( HWND hwnd, UINT uMsg, WPARAM wParam,
 /*****************************************************************************
  * system_End: terminate winsock.
  *****************************************************************************/
-void system_End( vlc_t *p_this )
+void system_End( libvlc_int_t *p_this )
 {
+    if( p_this && vlc_global() )
+    {
+        free( vlc_global()->psz_vlcpath );
+        vlc_global()->psz_vlcpath = NULL;
+    }
+
+#if !defined( UNDER_CE )
+    timeEndPeriod(5);
+#endif
+
     WSACleanup();
 }