Fix module_need parsing. a,b,c,d should first try loading a, then b, then c, then d.

[vlc] / modules / video_filter / rotate.c

diff --git a/modules/video_filter/rotate.c b/modules/video_filter/rotate.c
index a320df3b0a6934b64b4be3bcc3cdd6dc7952d8f0..54a8bdc4cffa658112454360a17aaa10b2bd3e67 100644 (file)
--- a/modules/video_filter/rotate.c
+++ b/modules/video_filter/rotate.c
@@ -33,9 +33,8 @@
 
 #include <vlc_common.h>
 #include <vlc_plugin.h>
-#include <vlc_vout.h>
 
-#include "vlc_filter.h"
+#include <vlc_filter.h>
 #include "filter_picture.h"
 
 /*****************************************************************************
@@ -71,7 +70,7 @@ vlc_module_begin ()
     set_subcategory( SUBCAT_VIDEO_VFILTER )
 
     add_integer_with_range( FILTER_PREFIX "angle", 30, 0, 359, NULL,
-        ANGLE_TEXT, ANGLE_LONGTEXT, false );
+        ANGLE_TEXT, ANGLE_LONGTEXT, false )
 
     add_shortcut( "rotate" )
     set_callbacks( Create, Destroy )
@@ -86,9 +85,9 @@ static const char *const ppsz_filter_options[] = {
  *****************************************************************************/
 struct filter_sys_t
 {
-    int     i_angle;
-    int     i_cos;
-    int     i_sin;
+    vlc_spinlock_t lock;
+    int            i_cos;
+    int            i_sin;
 };
 
 static inline void cache_trigo( int i_angle, int *i_sin, int *i_cos )
@@ -137,16 +136,16 @@ static int Create( vlc_object_t *p_this )
     config_ChainParse( p_filter, FILTER_PREFIX, ppsz_filter_options,
                        p_filter->p_cfg );
 
-    p_sys->i_angle = var_CreateGetIntegerCommand( p_filter,
-                                                  FILTER_PREFIX "angle" ) * 10;
+    int i_angle = var_CreateGetIntegerCommand( p_filter,
+                                               FILTER_PREFIX "angle" ) * 10;
+    cache_trigo( i_angle, &p_sys->i_sin, &p_sys->i_cos );
     var_Create( p_filter, FILTER_PREFIX "deciangle",
                 VLC_VAR_INTEGER|VLC_VAR_ISCOMMAND );
+    vlc_spin_init( &p_sys->lock );
     var_AddCallback( p_filter, FILTER_PREFIX "angle", RotateCallback, p_sys );
     var_AddCallback( p_filter, FILTER_PREFIX "deciangle",
                      PreciseRotateCallback, p_sys );
 
-    cache_trigo( p_sys->i_angle, &p_sys->i_sin, &p_sys->i_cos );
-
     return VLC_SUCCESS;
 }
 
@@ -157,6 +156,10 @@ static void Destroy( vlc_object_t *p_this )
 {
     filter_t *p_filter = (filter_t *)p_this;
 
+    var_DelCallback( p_filter, FILTER_PREFIX "angle", RotateCallback, p_filter->p_sys );
+    var_DelCallback( p_filter, FILTER_PREFIX "deciangle",
+                     PreciseRotateCallback, p_filter->p_sys );
+    vlc_spin_destroy( &p_filter->p_sys->lock );
     free( p_filter->p_sys );
 }
 
@@ -167,8 +170,6 @@ static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
 {
     picture_t *p_outpic;
     filter_sys_t *p_sys = p_filter->p_sys;
-    int i_plane;
-    const int i_sin = p_sys->i_sin, i_cos = p_sys->i_cos;
 
     if( !p_pic ) return NULL;
 
@@ -179,14 +180,19 @@ static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
         return NULL;
     }
 
-    for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
+    vlc_spin_lock( &p_sys->lock );
+    const int i_sin = p_sys->i_sin;
+    const int i_cos = p_sys->i_cos;
+    vlc_spin_unlock( &p_sys->lock );
+
+    for( int i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
     {
         const int i_visible_lines = p_pic->p[i_plane].i_visible_lines;
         const int i_visible_pitch = p_pic->p[i_plane].i_visible_pitch;
         const int i_pitch         = p_pic->p[i_plane].i_pitch;
         const int i_hidden_pitch  = i_pitch - i_visible_pitch;
 
-        const int i_aspect = ( i_visible_lines * p_pic->p[Y_PLANE].i_visible_pitch ) / ( p_pic->p[Y_PLANE].i_visible_lines * i_visible_pitch );
+        const int i_aspect = __MAX( 1, ( i_visible_lines * p_pic->p[Y_PLANE].i_visible_pitch ) / ( p_pic->p[Y_PLANE].i_visible_lines * i_visible_pitch ));
         /* = 2 for U and V planes in YUV 4:2:2, = 1 otherwise */
 
         const int i_line_center = i_visible_lines>>1;
@@ -288,7 +294,6 @@ static picture_t *FilterPacked( filter_t *p_filter, picture_t *p_pic )
 {
     picture_t *p_outpic;
     filter_sys_t *p_sys = p_filter->p_sys;
-    const int i_sin = p_sys->i_sin, i_cos = p_sys->i_cos;
 
     if( !p_pic ) return NULL;
 
@@ -325,6 +330,11 @@ static picture_t *FilterPacked( filter_t *p_filter, picture_t *p_pic )
     const int i_line_center = i_visible_lines>>1;
     const int i_col_center  = i_visible_pitch>>1;
 
+    vlc_spin_lock( &p_sys->lock );
+    const int i_sin = p_sys->i_sin;
+    const int i_cos = p_sys->i_cos;
+    vlc_spin_unlock( &p_sys->lock );
+
     int i_col, i_line;
     for( i_line = 0; i_line < i_visible_lines; i_line++ )
     {
@@ -387,11 +397,9 @@ static int RotateCallback( vlc_object_t *p_this, char const *psz_var,
                            vlc_value_t oldval, vlc_value_t newval,
                            void *p_data )
 {
-    VLC_UNUSED(p_this); VLC_UNUSED(psz_var); VLC_UNUSED(oldval);
-    filter_sys_t *p_sys = (filter_sys_t *)p_data;
-    p_sys->i_angle = newval.i_int*10;
-    cache_trigo( p_sys->i_angle, &p_sys->i_sin, &p_sys->i_cos );
-    return VLC_SUCCESS;
+    oldval.i_int *= 10;
+    newval.i_int *= 10;
+    return PreciseRotateCallback( p_this, psz_var, oldval, newval, p_data );
 }
 
 static int PreciseRotateCallback( vlc_object_t *p_this, char const *psz_var,
@@ -400,7 +408,12 @@ static int PreciseRotateCallback( vlc_object_t *p_this, char const *psz_var,
 {
     VLC_UNUSED(p_this); VLC_UNUSED(psz_var); VLC_UNUSED(oldval);
     filter_sys_t *p_sys = (filter_sys_t *)p_data;
-    p_sys->i_angle = newval.i_int;
-    cache_trigo( p_sys->i_angle, &p_sys->i_sin, &p_sys->i_cos );
+    int i_sin, i_cos;
+
+    cache_trigo( newval.i_int, &i_sin, &i_cos );
+    vlc_spin_lock( &p_sys->lock );
+    p_sys->i_sin = i_sin;
+    p_sys->i_cos = i_cos;
+    vlc_spin_unlock( &p_sys->lock );
     return VLC_SUCCESS;
 }