visual: reduce symbols count

modules/visualization/visual/effects.c

@@ -48,7 +48,7 @@
 /*****************************************************************************
  * dummy_Run
  *****************************************************************************/
-int dummy_Run( visual_effect_t * p_effect, vlc_object_t *p_aout,
+static int dummy_Run( visual_effect_t * p_effect, vlc_object_t *p_aout,
                       const block_t * p_buffer , picture_t * p_picture)
 {
     VLC_UNUSED(p_effect); VLC_UNUSED(p_aout); VLC_UNUSED(p_buffer);
@@ -59,7 +59,7 @@ int dummy_Run( visual_effect_t * p_effect, vlc_object_t *p_aout,
 /*****************************************************************************
  * spectrum_Run: spectrum analyser
  *****************************************************************************/
-int spectrum_Run(visual_effect_t * p_effect, vlc_object_t *p_aout,
+static int spectrum_Run(visual_effect_t * p_effect, vlc_object_t *p_aout,
                         const block_t * p_buffer , picture_t * p_picture)
 {
     spectrum_data *p_data = p_effect->p_data;
@@ -336,7 +336,7 @@ int spectrum_Run(visual_effect_t * p_effect, vlc_object_t *p_aout,
 /*****************************************************************************
  * spectrometer_Run: derivative spectrum analysis
  *****************************************************************************/
-int spectrometer_Run(visual_effect_t * p_effect, vlc_object_t *p_aout,
+static int spectrometer_Run(visual_effect_t * p_effect, vlc_object_t *p_aout,
                             const block_t * p_buffer , picture_t * p_picture)
 {
 #define Y(R,G,B) ((uint8_t)( (R * .299) + (G * .587) + (B * .114) ))
@@ -793,7 +793,7 @@ int spectrometer_Run(visual_effect_t * p_effect, vlc_object_t *p_aout,
 /*****************************************************************************
  * scope_Run: scope effect
  *****************************************************************************/
-int scope_Run(visual_effect_t * p_effect, vlc_object_t *p_aout,
+static int scope_Run(visual_effect_t * p_effect, vlc_object_t *p_aout,
                      const block_t * p_buffer , picture_t * p_picture)
 {
     VLC_UNUSED(p_aout);
@@ -850,7 +850,7 @@ int scope_Run(visual_effect_t * p_effect, vlc_object_t *p_aout,
 /*****************************************************************************
  * vuMeter_Run: vu meter effect
  *****************************************************************************/
-int vuMeter_Run(visual_effect_t * p_effect, vlc_object_t *p_aout,
+static int vuMeter_Run(visual_effect_t * p_effect, vlc_object_t *p_aout,
                        const block_t * p_buffer , picture_t * p_picture)
 {
     VLC_UNUSED(p_aout);
@@ -985,3 +985,13 @@ int vuMeter_Run(visual_effect_t * p_effect, vlc_object_t *p_aout,
 
     return 0;
 }
+
+/* Table of effects */
+const struct visual_cb_t effectv[] = {
+    { "scope",        scope_Run },
+    { "vuMeter",      vuMeter_Run },
+    { "spectrum",     spectrum_Run },
+    { "spectrometer", spectrometer_Run },
+    { "dummy",        dummy_Run },
+};
+const unsigned effectc = sizeof (effectv) / sizeof (effectv[0]);

modules/visualization/visual/visual.c

@@ -156,20 +156,6 @@ vlc_module_end ()
  * Local prototypes
  *****************************************************************************/
 static block_t *DoWork( filter_t *, block_t * );
-static const struct
-{
-    const char *psz_name;
-    int  (*pf_run)( visual_effect_t *, vlc_object_t *,
-                    const block_t *, picture_t *);
-} pf_effect_run[]=
-{
-    { "scope",        scope_Run },
-    { "vuMeter",      vuMeter_Run },
-    { "spectrum",     spectrum_Run },
-    { "spectrometer", spectrometer_Run },
-    { "dummy",        dummy_Run},
-    { NULL,           dummy_Run}
-};
 
 struct filter_sys_t
 {
@@ -227,14 +213,13 @@ static int Open( vlc_object_t *p_this )
         p_effect->pf_run   = NULL;
         p_effect->psz_name = NULL;
 
-        for( int i = 0; pf_effect_run[i].psz_name != NULL; i++ )
+        for( unsigned i = 0; i < effectc; i++ )
         {
-            if( !strncasecmp( psz_parser,
-                              pf_effect_run[i].psz_name,
-                              strlen( pf_effect_run[i].psz_name ) ) )
+            if( !strncasecmp( psz_parser, effectv[i].name,
+                              strlen( effectv[i].name ) ) )
             {
-                p_effect->pf_run = pf_effect_run[i].pf_run;
-                p_effect->psz_name = pf_effect_run[i].psz_name;
+                p_effect->pf_run = effectv[i].run_cb;
+                p_effect->psz_name = effectv[i].name;
                 break;
             }
         }

modules/visualization/visual/visual.h

@@ -54,16 +54,11 @@ typedef struct
     int16_t *p_prev_s16_buff;
 } spectrometer_data;
 
-/* Prototypes */
-int scope_Run
-        (visual_effect_t * , vlc_object_t *, const block_t *, picture_t *);
-int vuMeter_Run
-        (visual_effect_t * , vlc_object_t *, const block_t *, picture_t *);
-int dummy_Run
-        (visual_effect_t * , vlc_object_t *, const block_t *, picture_t *);
-int random_Run
-        (visual_effect_t * , vlc_object_t *, const block_t *, picture_t *);
-int spectrum_Run
-        (visual_effect_t * , vlc_object_t *, const block_t *, picture_t *);
-int spectrometer_Run
-        (visual_effect_t * , vlc_object_t *, const block_t *, picture_t *);
+typedef int (*visual_run_t)(visual_effect_t *, vlc_object_t *,
+                            const block_t *, picture_t *);
+extern const struct visual_cb_t
+{
+    char name[16];
+    visual_run_t run_cb;
+} effectv[];
+extern const unsigned effectc;