* vlc.init becomes ~/.vlcrc

  * removed float operations in the video decoder, and all emms asm functions
  * borrowed linuxvideo's MMX motion compensation
  * fixed an undefined symbol in the MMX YUV plugin

Meuuh & Sam.

AUTHORS

@@ -2,8 +2,7 @@
   Rgis Duchesne <regis@via.ecp.fr>
   Michel Lespinasse <walken@wrs.com>
 
-  Olivier Baxa <oli@via.ecp.fr>
-  Eric Estievenart <eric@via.ecp.fr>
+  Olivier Pomel <pomel@via.ecp.fr>
 
   Jean-Philippe Grimaldi <jeanphi@via.ecp.fr>
   Andres Krapf <dae@via.ecp.fr>
@@ -14,11 +13,9 @@
   Jean-Marc Dressler <polux@via.ecp.fr>
   Gal Hendryckx <jimmy@via.ecp.fr>
   Samuel Hocevar <sam@via.ecp.fr>
+  Brieuc Jeunhomme <bbp@via.ecp.fr>
   Michel Kaempf <maxx@via.ecp.fr>
 
   Stphane Borel <stef@via.ecp.fr>
   Renaud Dartus <reno@via.ecp.fr>
-  Henri Fallon <henri@via.ecp.fr>
 
-  Contributors include Aaron Holtzman for his ac3dec decoder, and the
-  LiViD team for a few lines of code we borrowed here and there.

ChangeLog

@@ -5,6 +5,10 @@
   * "gvlc", "fbvlc", "ggivlc" aliases now work
   * fixed functions that weren't properly inlined
   * removed bloat from the MMX YUV plugin
+  * vlc.init becomes ~/.vlcrc
+  * removed float operations in the video decoder, and all emms asm functions
+  * borrowed linuxvideo's MMX motion compensation
+  * fixed an undefined symbol in the MMX YUV plugin
 
 Thu Jul 20 15:14:06 CEST 2000
 0.1.99e :

Makefile.in

@@ -207,10 +207,16 @@ video_parser_obj = 		video_parser/video_parser.o \
 				video_parser/vpar_synchro.o \
 				video_parser/video_fifo.o
 
+ifneq (,$(findstring mmx,$(ARCH)))
+	vdec_motion_inner = video_decoder/vdec_motion_inner_mmx.o
+else
+	vdec_motion_inner = video_decoder/vdec_motion_inner.o
+endif
+
 video_decoder_obj =	video_decoder/video_decoder.o \
 				video_decoder/vdec_motion.o \
-						video_decoder/vdec_motion_inner.o \
-			                        video_decoder/vdec_idct.o
+				video_decoder/vdec_idct.o \
+				$(vdec_motion_inner)
 
 misc_obj =		misc/mtime.o \
 				misc/tests.o \

include/config.h.in

@@ -127,8 +127,8 @@
  *****************************************************************************/
 
 /* Environment variable used to store startup script name and default value */
-#define INTF_INIT_SCRIPT_VAR            "vlc_init"
-#define INTF_INIT_SCRIPT_DEFAULT        "vlc.init"
+#define INTF_INIT_SCRIPT_VAR            "vlcrc"
+#define INTF_INIT_SCRIPT_DEFAULT        ".vlcrc"
 
 /* Environment variable used to store channels file and default value */
 #define INTF_CHANNELS_VAR               "vlc_channels"
@@ -434,6 +434,7 @@
  * Synchro configuration
  *****************************************************************************/
 
-#define VOUT_SYNCHRO_LEVEL_START        5
-#define VOUT_SYNCHRO_LEVEL_MAX          15
+#define VOUT_SYNCHRO_LEVEL_START        5 << 10
+#define VOUT_SYNCHRO_LEVEL_MAX          15 << 10
 #define VOUT_SYNCHRO_HEAP_IDEAL_SIZE    5
+

include/vpar_blocks.h

@@ -166,17 +166,4 @@ void vpar_InitPMBType( struct vpar_thread_s * p_vpar );
 void vpar_InitBMBType( struct vpar_thread_s * p_vpar );
 void vpar_InitCodedPattern( struct vpar_thread_s * p_vpar );
 void vpar_InitDCTTables( struct vpar_thread_s * p_vpar );
-void vpar_PictureDataGENERIC( struct vpar_thread_s * p_vpar, int i_mb_base );
-#if (VPAR_OPTIM_LEVEL > 0)
-void vpar_PictureData2I420F0( struct vpar_thread_s * p_vpar, int i_mb_base );
-void vpar_PictureData2P420F0( struct vpar_thread_s * p_vpar, int i_mb_base );
-void vpar_PictureData2B420F0( struct vpar_thread_s * p_vpar, int i_mb_base );
-#endif
-#if (VPAR_OPTIM_LEVEL > 1)
-void vpar_PictureData2I420TZ( struct vpar_thread_s * p_vpar, int i_mb_base );
-void vpar_PictureData2P420TZ( struct vpar_thread_s * p_vpar, int i_mb_base );
-void vpar_PictureData2B420TZ( struct vpar_thread_s * p_vpar, int i_mb_base );
-void vpar_PictureData2I420BZ( struct vpar_thread_s * p_vpar, int i_mb_base );
-void vpar_PictureData2P420BZ( struct vpar_thread_s * p_vpar, int i_mb_base );
-void vpar_PictureData2B420BZ( struct vpar_thread_s * p_vpar, int i_mb_base );
-#endif
+void vpar_PictureData( struct vpar_thread_s * p_vpar, int i_mb_base );

include/vpar_headers.h

@@ -58,7 +58,7 @@ typedef struct sequence_s
                                             /* the same, in macroblock units */
     unsigned int        i_aspect_ratio;        /* height/width display ratio */
     unsigned int        i_matrix_coefficients;/* coeffs of the YUV transform */
-    float               r_frame_rate;       /* theoritical frame rate in fps */
+    int                 i_frame_rate;  /* theoritical frame rate in fps*1001 */
     boolean_t           b_mpeg2;                                    /* guess */
     boolean_t           b_progressive;              /* progressive (ie.
                                                      * non-interlaced) frame */

include/vpar_synchro.h

@@ -67,9 +67,9 @@ typedef struct video_synchro_s
     /* can we display pictures ? */
     boolean_t     b_all_I;
     boolean_t     b_all_P;
-    double        displayable_p;
+    int           displayable_p;
     boolean_t     b_all_B;
-    double        displayable_b;
+    int           displayable_b;
 
 } video_synchro_t;
 
@@ -100,7 +100,7 @@ typedef struct video_synchro_s
     /* Date Section */
 
     /* Dates needed to compute the date of the current frame
-     * We also use the stream frame rate (sequence.r_frame_rate) */
+     * We also use the stream frame rate (sequence.i_frame_rate) */
     mtime_t     i_current_frame_date;
     mtime_t     i_backward_frame_date;
 

plugins/yuvmmx/video_yuv.c

@@ -131,12 +131,8 @@ int yuv_MMXReset( vout_thread_t *p_vout )
 + *****************************************************************************/
 void SetYUV( vout_thread_t *p_vout )
 {
-    int         pi_gamma[256];                                /* gamma table */
     int         i_index;                                  /* index in tables */
 
-    /* Build gamma table */
-    SetGammaTable( pi_gamma, p_vout->f_gamma );
-
     /*
      * Set pointers and build YUV tables
      */

plugins/yuvmmx/video_yuv.h

@@ -53,7 +53,6 @@ int i_pic_height, int i_pic_line_width, int i_matrix_coefficients
 /*****************************************************************************
  * Local prototypes
  *****************************************************************************/
-void SetGammaTable        ( int *pi_table, double f_gamma );
 void SetYUV               ( vout_thread_t *p_vout );
 void SetOffset            ( int i_width, int i_height, int i_pic_width,
                             int i_pic_height, boolean_t *pb_h_scaling,

src/interface/intf_cmd.c

@@ -158,14 +158,23 @@ int intf_ExecScript( char *psz_filename )
     FILE *  p_file;                                                  /* file */
     char    psz_line[INTF_MAX_CMD_SIZE];                             /* line */
     char *  psz_index;                                    /* index in string */
+    char *  psz_vlcrc;                                 /* full path to vlcrc */
     int     i_err;                                        /* error indicator */
 
     /* Open file */
     i_err = 0;
-    p_file = fopen( psz_filename, "r" );
+
+    if( !( psz_index = getenv("HOME") ) )
+    {
+        psz_index = "/";
+    }
+    psz_vlcrc = malloc( strlen( psz_index ) + 1 + strlen( psz_filename ) + 1 );
+    sprintf( psz_vlcrc, "%s/%s", psz_index, psz_filename );
+    
+    p_file = fopen( psz_vlcrc, "r" );
     if( p_file == NULL )
     {
-        intf_DbgMsg("intf warning: %s: %s\n", psz_filename, strerror(errno));
+        intf_DbgMsg("intf warning: %s: %s\n", psz_vlcrc, strerror(errno));
         return( -1 );
     }
 
@@ -194,7 +203,7 @@ int intf_ExecScript( char *psz_filename )
     }
     if( !feof( p_file ) )
     {
-        intf_ErrMsg("error: %s: %s\n", psz_filename, strerror(errno));
+        intf_ErrMsg("error: %s: %s\n", psz_vlcrc, strerror(errno));
         return( -1 );
     }
 

src/video_decoder/video_decoder.c

@@ -322,7 +322,7 @@ static __inline__ void AddBlock( vdec_thread_t * p_vdec, dctelem_t * p_block,
             "packuswb   %%mm1,%%mm2\n\t"
             "movq       %%mm2,(%0)\n\t"
 
-            "emms"
+            //"emms"
             :"+r" (p_data): "r" (p_block),"r" (i_incr+8));
 }
 #endif
@@ -389,7 +389,7 @@ static  __inline__ void CopyBlock( vdec_thread_t * p_vdec, dctelem_t * p_block,
             "movq        112(%1),%%mm0\n\t"
             "packuswb   120(%1),%%mm0\n\t"
             "movq        %%mm0,(%0)\n\t"
-            "emms"
+            //"emms"
             :"+r" (p_data): "r" (p_block),"r" (i_incr+8));
 }
 #endif

src/video_output/video_output.c

@@ -1691,7 +1691,7 @@ static void RenderPictureInfo( vout_thread_t *p_vout, picture_t *p_pic )
      */
     if( p_vout->c_fps_samples > VOUT_FPS_SAMPLES )
     {
-        sprintf( psz_buffer, "%.2f fps", (double) VOUT_FPS_SAMPLES * 1000000 /
+        sprintf( psz_buffer, "%.2f fps/10", VOUT_FPS_SAMPLES * 1000000 * 10 /
                  ( p_vout->p_fps_sample[ (p_vout->c_fps_samples - 1) % VOUT_FPS_SAMPLES ] -
                    p_vout->p_fps_sample[ p_vout->c_fps_samples % VOUT_FPS_SAMPLES ] ) );
         Print( p_vout, 0, 0, RIGHT_RALIGN, TOP_RALIGN, psz_buffer );
@@ -1939,7 +1939,7 @@ static void Synchronize( vout_thread_t *p_vout, s64 i_delay )
     /* XXX?? gore following */
     static int i_panic_count = 0;
     static int i_last_synchro_inc = 0;
-    static float r_synchro_level = VOUT_SYNCHRO_LEVEL_START;
+    static int i_synchro_level = VOUT_SYNCHRO_LEVEL_START;
     static int i_truc = 10;
 
     if( i_delay < 0 )
@@ -1965,7 +1965,7 @@ static void Synchronize( vout_thread_t *p_vout, s64 i_delay )
         }
     }
 
-    if( i_truc > VOUT_SYNCHRO_LEVEL_MAX*2*2*2*2*2 ||
+    if( i_truc > VOUT_SYNCHRO_LEVEL_MAX >> 5 ||
         i_synchro_inc*i_last_synchro_inc < 0 )
     {
         i_truc = 32;
@@ -1985,17 +1985,17 @@ static void Synchronize( vout_thread_t *p_vout, s64 i_delay )
     }
     else if( i_delay > 100000 )
     {
-        r_synchro_level += 1;
+        i_synchro_level += 1 << 10;
         if( i_delay > 130000 )
-            r_synchro_level += 1;
+            i_synchro_level += 1 << 10;
     }
 
-    r_synchro_level += (float)i_synchro_inc / i_truc;
-    p_vout->i_synchro_level = (int)(r_synchro_level+0.5);
+    i_synchro_level += ( i_synchro_inc << 10 ) / i_truc;
+    p_vout->i_synchro_level = ( i_synchro_level + (1 << 9) );
 
-    if( r_synchro_level > VOUT_SYNCHRO_LEVEL_MAX )
+    if( i_synchro_level > VOUT_SYNCHRO_LEVEL_MAX )
     {
-        r_synchro_level = VOUT_SYNCHRO_LEVEL_MAX;
+        i_synchro_level = VOUT_SYNCHRO_LEVEL_MAX;
     }
 
     //fprintf( stderr, "synchro level : %d, heap : %d (%d, %d) (%d, %f) - %Ld\n", p_vout->i_synchro_level,

src/video_parser/video_parser.c

@@ -291,14 +291,14 @@ static int InitThread( vpar_thread_t *p_vpar )
     p_vpar->synchro.i_delay            = 200000;
     p_vpar->synchro.i_theorical_delay  = 40000; /* 25 fps */
     /* assume we can display all Is and 2 Ps */
-    p_vpar->synchro.b_all_I = 1;
+    p_vpar->synchro.b_all_I = 1 << 10;
     p_vpar->synchro.b_all_P = 0;
-    p_vpar->synchro.displayable_p = 2;
+    p_vpar->synchro.displayable_p = 2 << 10;
     p_vpar->synchro.b_all_B = 0;
     p_vpar->synchro.displayable_b = 0;
     /* assume there were about 3 P and 6 B images between I's */
-    p_vpar->synchro.i_P_seen = p_vpar->synchro.i_P_kept = 1;
-    p_vpar->synchro.i_B_seen = p_vpar->synchro.i_B_kept = 1;
+    p_vpar->synchro.i_P_seen = p_vpar->synchro.i_P_kept = 1 << 10;
+    p_vpar->synchro.i_B_seen = p_vpar->synchro.i_B_kept = 1 << 10;
 #endif
 
 #ifdef MEUUH_SYNCHRO

src/video_parser/vpar_headers.c

@@ -52,11 +52,6 @@
 #include "video_parser.h"
 #include "video_fifo.h"
 
-/*
- * Function pointer
- */
-typedef void    (*f_picture_data_t)( vpar_thread_t*, int );
-
 /*
  * Local prototypes
  */
@@ -334,17 +329,17 @@ int vpar_ParseHeader( vpar_thread_t * p_vpar )
 static void SequenceHeader( vpar_thread_t * p_vpar )
 {
 #define RESERVED    -1
-    static float r_frame_rate_table[16] =
-    {
-        0.0,
-        ((23.0*1000.0)/1001.0),
-        24.0,
-        25.0,
-        ((30.0*1000.0)/1001.0),
-        30.0,
-        50.0,
-        ((60.0*1000.0)/1001.0),
-        60.0,
+    static int i_frame_rate_table[16] =
+    {
+        0,
+        23 * 1000,
+        24 * 1001,
+        25 * 1001,
+        30 * 1000,
+        30 * 1001,
+        50 * 1001,
+        60 * 1000,
+        60 * 1001,
         RESERVED, RESERVED, RESERVED, RESERVED, RESERVED, RESERVED, RESERVED
     };
 #undef RESERVED
@@ -357,8 +352,8 @@ static void SequenceHeader( vpar_thread_t * p_vpar )
     p_vpar->sequence.i_width = GetBits( &p_vpar->bit_stream, 12 );
     p_vpar->sequence.i_height = GetBits( &p_vpar->bit_stream, 12 );
     p_vpar->sequence.i_aspect_ratio = GetBits( &p_vpar->bit_stream, 4 );
-    p_vpar->sequence.r_frame_rate =
-            r_frame_rate_table[ GetBits( &p_vpar->bit_stream, 4 ) ];
+    p_vpar->sequence.i_frame_rate =
+            i_frame_rate_table[ GetBits( &p_vpar->bit_stream, 4 ) ];
 
     /* We don't need bit_rate_value, marker_bit, vbv_buffer_size,
      * constrained_parameters_flag */
@@ -418,7 +413,7 @@ static void SequenceHeader( vpar_thread_t * p_vpar )
         /* frame_rate_extension_n */
         i_dummy = GetBits( &p_vpar->bit_stream, 2 );
         /* frame_rate_extension_d */
-        p_vpar->sequence.r_frame_rate *= (i_dummy + 1)
+        p_vpar->sequence.i_frame_rate *= (i_dummy + 1)
                                   / (GetBits( &p_vpar->bit_stream, 5 ) + 1);
     }
     else
@@ -496,44 +491,6 @@ static void GroupHeader( vpar_thread_t * p_vpar )
  *****************************************************************************/
 static void PictureHeader( vpar_thread_t * p_vpar )
 {
-    /* Table of optimized PictureData functions. */
-    static f_picture_data_t ppf_picture_data[4][4] =
-    {
-        {
-            NULL, NULL, NULL, NULL
-        },
-        {
-            /* TOP_FIELD */
-#if (VPAR_OPTIM_LEVEL > 1)
-            NULL, vpar_PictureData2I420TZ, vpar_PictureData2P420TZ,
-            vpar_PictureData2B420TZ
-#else
-            NULL, vpar_PictureDataGENERIC, vpar_PictureDataGENERIC,
-            vpar_PictureDataGENERIC
-#endif
-        },
-        {
-            /* BOTTOM_FIELD */
-#if (VPAR_OPTIM_LEVEL > 1)
-            NULL, vpar_PictureData2I420BZ, vpar_PictureData2P420BZ,
-            vpar_PictureData2B420BZ
-#else
-            NULL, vpar_PictureDataGENERIC, vpar_PictureDataGENERIC,
-            vpar_PictureDataGENERIC
-#endif
-        },
-        {
-            /* FRAME_PICTURE */
-#if (VPAR_OPTIM_LEVEL > 0)
-            NULL, vpar_PictureData2I420F0, vpar_PictureData2P420F0,
-            vpar_PictureData2B420F0
-#else
-            NULL, vpar_PictureDataGENERIC, vpar_PictureDataGENERIC,
-            vpar_PictureDataGENERIC
-#endif
-        }
-    };
-
     int                 i_structure;
     int                 i_mb_base;
     boolean_t           b_parsable;
@@ -764,28 +721,7 @@ static void PictureHeader( vpar_thread_t * p_vpar )
     /* Extension and User data. */
     ExtensionAndUserData( p_vpar );
 
-    /* Picture data (ISO/IEC 13818-2 6.2.3.7). */
-    if( p_vpar->sequence.i_chroma_format != CHROMA_420
-        || !p_vpar->sequence.b_mpeg2 || p_vpar->sequence.i_height > 2800
-        || p_vpar->sequence.i_scalable_mode == SC_DP )
-    {
-        /* Weird stream. Use the slower generic function. */
-        vpar_PictureDataGENERIC( p_vpar, i_mb_base );
-    }
-    else
-    {
-        /* Try to find an optimized function. */
-        if( ppf_picture_data[p_vpar->picture.i_structure][p_vpar->picture.i_coding_type] == NULL )
-        {
-            intf_ErrMsg( "vpar error: bad ppf_picture_data function pointer (struct:%d, coding type:%d)\n",
-                     p_vpar->picture.i_structure, p_vpar->picture.i_coding_type );
-        }
-        else
-        {
-            ppf_picture_data[p_vpar->picture.i_structure]
-                            [p_vpar->picture.i_coding_type]( p_vpar, i_mb_base );
-        }
-    }
+    vpar_PictureData( p_vpar, i_mb_base );
 
     if( p_vpar->b_die || p_vpar->b_error )
     {

src/video_parser/vpar_synchro.c

@@ -65,7 +65,7 @@
 void vpar_SynchroUpdateStructures( vpar_thread_t * p_vpar,
                                    int i_coding_type, boolean_t b_kept )
 {
-    double          i_can_display;
+    int             i_can_display;
     mtime_t         i_pts;
     pes_packet_t *  p_pes = p_vpar->bit_stream.p_decoder_fifo->buffer[
                                p_vpar->bit_stream.p_decoder_fifo->i_start ];
@@ -100,13 +100,13 @@ void vpar_SynchroUpdateStructures( vpar_thread_t * p_vpar,
     {
         case P_CODING_TYPE:
 
-            p_vpar->synchro.i_P_seen++;
-            if( b_kept ) p_vpar->synchro.i_P_kept++;
+            p_vpar->synchro.i_P_seen += 1024;
+            if( b_kept ) p_vpar->synchro.i_P_kept += 1024;
             break;
 
         case B_CODING_TYPE:
-            p_vpar->synchro.i_B_seen++;
-            if( b_kept ) p_vpar->synchro.i_B_kept++;
+            p_vpar->synchro.i_B_seen += 1024;
+            if( b_kept ) p_vpar->synchro.i_B_kept += 1024;
             break;
 
         case I_CODING_TYPE:
@@ -118,8 +118,8 @@ void vpar_SynchroUpdateStructures( vpar_thread_t * p_vpar,
                 if ( p_vpar->synchro.i_last_seen_I_pts )
                 {
                     p_vpar->synchro.i_theorical_delay =
-                            ( i_pts - p_vpar->synchro.i_last_seen_I_pts )
-                          / ( 1 + p_vpar->synchro.i_B_seen
+                      1024 * ( i_pts - p_vpar->synchro.i_last_seen_I_pts )
+                          / ( 1024 + p_vpar->synchro.i_B_seen
                                 + p_vpar->synchro.i_P_seen);
                 }
                 p_vpar->synchro.i_last_seen_I_pts = i_pts;
@@ -127,7 +127,8 @@ void vpar_SynchroUpdateStructures( vpar_thread_t * p_vpar,
 
             /* now we calculated all statistics, it's time to
              * decide what we have the time to display */
-            i_can_display = (float)(i_pts - p_vpar->synchro.i_last_kept_I_pts)
+            i_can_display = 
+                ( (i_pts - p_vpar->synchro.i_last_kept_I_pts) << 10 )
                                 / p_vpar->synchro.i_delay;
 
             p_vpar->synchro.b_all_I = 0;
@@ -136,9 +137,9 @@ void vpar_SynchroUpdateStructures( vpar_thread_t * p_vpar,
             p_vpar->synchro.displayable_p = 0;
             p_vpar->synchro.displayable_b = 0;
 
-            if( ( p_vpar->synchro.b_all_I = ( i_can_display > 1 ) ) )
+            if( ( p_vpar->synchro.b_all_I = ( i_can_display >= 1024 ) ) )
             {
-                i_can_display -= 1;
+                i_can_display -= 1024;
 
                 if( !( p_vpar->synchro.b_all_P
                         = ( i_can_display > p_vpar->synchro.i_P_seen ) ) )
@@ -159,20 +160,21 @@ void vpar_SynchroUpdateStructures( vpar_thread_t * p_vpar,
 
 #if 1
             if( p_vpar->synchro.b_all_I )
-                intf_ErrMsg( " I: 1/1  " );
+                intf_ErrMsg( " I: 1024/1024  " );
             if( p_vpar->synchro.b_all_P )
                 intf_ErrMsg( "P: %i/%i  ", p_vpar->synchro.i_P_seen,
                                            p_vpar->synchro.i_P_seen );
             else if( p_vpar->synchro.displayable_p > 0 )
-                intf_ErrMsg( "P: %.2f/%i  ", p_vpar->synchro.displayable_p,
+                intf_ErrMsg( "P: %i/%i  ", p_vpar->synchro.displayable_p,
                                              p_vpar->synchro.i_P_seen );
             if( p_vpar->synchro.b_all_B )
                 intf_ErrMsg( "B: %i/%i", p_vpar->synchro.i_B_seen,
                                          p_vpar->synchro.i_B_seen );
             else if( p_vpar->synchro.displayable_b > 0 )
-                intf_ErrMsg( "B: %.2f/%i", p_vpar->synchro.displayable_b,
+                intf_ErrMsg( "B: %i/%i", p_vpar->synchro.displayable_b,
                                            p_vpar->synchro.i_B_seen );
-            intf_ErrMsg( "                    
" );
+//            intf_ErrMsg( "                             
" );
+            intf_ErrMsg( "\n" );
 #endif
             p_vpar->synchro.i_P_seen = 0;
             p_vpar->synchro.i_B_seen = 0;
@@ -197,8 +199,6 @@ boolean_t vpar_SynchroChoose( vpar_thread_t * p_vpar, int i_coding_type,
 {
     mtime_t i_delay = p_vpar->synchro.i_last_pts - mdate();
 
-    //return (i_coding_type == I_CODING_TYPE);
-
     switch( i_coding_type )
     {
         case I_CODING_TYPE:
@@ -407,7 +407,8 @@ void vpar_SynchroDecode( vpar_thread_t * p_vpar, int i_coding_type,
 mtime_t vpar_SynchroDate( vpar_thread_t * p_vpar )
 {
     return( p_vpar->synchro.kludge_date
-            + p_vpar->synchro.kludge_nbframes*1000000/(p_vpar->sequence.r_frame_rate ) );
+            + p_vpar->synchro.kludge_nbframes * 1000000
+                / (p_vpar->sequence.i_frame_rate ) * 1001 );
 }
 
 void vpar_SynchroEnd( vpar_thread_t * p_vpar )
@@ -481,7 +482,7 @@ void vpar_SynchroSetCurrentDate( vpar_thread_t * p_vpar, int i_coding_type )
         }
         else
         {
-            p_vpar->synchro.i_current_frame_date += 1000000/(p_vpar->sequence.r_frame_rate);
+            p_vpar->synchro.i_current_frame_date += 1000000 / (p_vpar->sequence.i_frame_rate) * 1001;
         }
         break;
 
@@ -489,7 +490,7 @@ void vpar_SynchroSetCurrentDate( vpar_thread_t * p_vpar, int i_coding_type )
 
         if( p_vpar->synchro.i_backward_frame_date == 0 )
         {
-            p_vpar->synchro.i_current_frame_date += 1000000/(p_vpar->sequence.r_frame_rate);
+            p_vpar->synchro.i_current_frame_date += 1000000 / (p_vpar->sequence.i_frame_rate) * 1001;
         }
         else
         {