Add context variable to vo_draw_text callback

Add a context variable and rename the function to osd_draw_text. Create
a new vo_draw_text that is a wrapper for VOs using old API.

libmpcodecs/vf_expand.c

@@ -96,7 +96,7 @@ static void remove_func(int x0,int y0, int w,int h){
     }
 }
 
-static void draw_func(int x0,int y0, int w,int h,unsigned char* src, unsigned char *srca, int stride){
+static void draw_func(void *ctx, int x0,int y0, int w,int h,unsigned char* src, unsigned char *srca, int stride){
     unsigned char* dst;
     if(!vo_osd_changed_flag && vf->dmpi->planes[0]==vf->priv->fb_ptr){
 	// ok, enough to update the area inside the video, leave the black bands
@@ -177,7 +177,7 @@ static void draw_osd(struct vf_instance_s* vf_,int w,int h){
 	    vo_remove_text(vf->priv->exp_w,vf->priv->exp_h,remove_func);
 	}
     }
-    vo_draw_text(vf->priv->exp_w,vf->priv->exp_h,draw_func);
+    osd_draw_text(vf->priv->exp_w,vf->priv->exp_h,draw_func, NULL);
     // save buffer pointer for double buffering detection - yes, i know it's
     // ugly method, but note that codecs with DR support does the same...
     if(vf->dmpi)

libvo/old_vo_wrapper.c

@@ -20,6 +20,7 @@
 #include <stdint.h>
 #include "old_vo_wrapper.h"
 #include "video_out.h"
+#include "sub.h"
 
 int old_vo_preinit(struct vo *vo, const char *arg)
 {
@@ -78,3 +79,18 @@ void old_vo_uninit(struct vo *vo)
     vo->driver->old_functions->uninit();
 }
 
+
+static void draw_alpha_wrapper(void *ctx, int x0, int y0, int w, int h,
+                               unsigned char *src, unsigned char *srca,
+                               int stride)
+{
+    void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride) = ctx;
+    draw_alpha(x0, y0, w, h, src, srca, stride);
+}
+
+
+void vo_draw_text(int dxs,int dys,void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride))
+{
+    osd_draw_text(dxs, dys, draw_alpha_wrapper, draw_alpha);
+}
+

libvo/old_vo_wrapper.h

@@ -17,4 +17,6 @@ void old_vo_flip_page(struct vo *vo);
 void old_vo_check_events(struct vo *vo);
 void old_vo_uninit(struct vo *vo);
 
+void vo_draw_text(int dxs,int dys,void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride));
+
 #endif

libvo/sub.c

@@ -154,9 +154,11 @@ static void alloc_buf(mp_osd_obj_t* obj)
 }
 
 // renders the buffer
-inline static void vo_draw_text_from_buffer(mp_osd_obj_t* obj,void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)){
+inline static void vo_draw_text_from_buffer(mp_osd_obj_t* obj,void (*draw_alpha)(void *ctx, int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride), void *ctx)
+{
     if (obj->allocated > 0) {
-	draw_alpha(obj->bbox.x1,obj->bbox.y1,
+	draw_alpha(ctx,
+		   obj->bbox.x1,obj->bbox.y1,
 		   obj->bbox.x2-obj->bbox.x1,
 		   obj->bbox.y2-obj->bbox.y1,
 		   obj->bitmap_buffer,
@@ -1022,9 +1024,9 @@ inline static void vo_update_spudec_sub(mp_osd_obj_t* obj, int dxs, int dys)
   obj->flags |= OSDFLAG_BBOX;
 }
 
-inline static void vo_draw_spudec_sub(mp_osd_obj_t* obj, void (*draw_alpha)(int x0, int y0, int w, int h, unsigned char* src, unsigned char* srca, int stride))
+inline static void vo_draw_spudec_sub(mp_osd_obj_t* obj, void (*draw_alpha)(void *ctx, int x0, int y0, int w, int h, unsigned char* src, unsigned char* srca, int stride), void *ctx)
 {
-  spudec_draw_scaled(vo_spudec, obj->dxs, obj->dys, draw_alpha);
+    spudec_draw_scaled(vo_spudec, obj->dxs, obj->dys, draw_alpha, ctx);
 }
 
 void *vo_spudec=NULL;
@@ -1223,7 +1225,8 @@ void vo_remove_text(int dxs,int dys,void (*remove)(int x0,int y0, int w,int h)){
     }
 }
 
-void vo_draw_text(int dxs,int dys,void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)){
+void osd_draw_text(int dxs,int dys,void (*draw_alpha)(void *ctx, int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride), void *ctx)
+{
     mp_osd_obj_t* obj=vo_osd_list;
     vo_update_osd(dxs,dys);
     while(obj){
@@ -1231,7 +1234,7 @@ void vo_draw_text(int dxs,int dys,void (*draw_alpha)(int x0,int y0, int w,int h,
 	vo_osd_changed_flag=obj->flags&OSDFLAG_CHANGED;	// temp hack
 	switch(obj->type){
 	case OSDTYPE_SPU:
-	    vo_draw_spudec_sub(obj, draw_alpha); // FIXME
+	    vo_draw_spudec_sub(obj, draw_alpha, ctx); // FIXME
 	    break;
 #ifdef USE_DVDNAV
         case OSDTYPE_DVDNAV:
@@ -1242,7 +1245,7 @@ void vo_draw_text(int dxs,int dys,void (*draw_alpha)(int x0,int y0, int w,int h,
 	case OSDTYPE_OSD:
 	case OSDTYPE_SUBTITLE:
 	case OSDTYPE_PROGBAR:
-	    vo_draw_text_from_buffer(obj,draw_alpha);
+	    vo_draw_text_from_buffer(obj, draw_alpha, ctx);
 	    break;
 	}
 	obj->old_bbox=obj->bbox;

libvo/sub.h

@@ -116,7 +116,7 @@ extern float spu_gaussvar;
 //extern void vo_draw_text_osd(int dxs,int dys,void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride));
 //extern void vo_draw_text_progbar(int dxs,int dys,void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride));
 //extern void vo_draw_text_sub(int dxs,int dys,void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride));
-extern void vo_draw_text(int dxs,int dys,void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride));
+extern void osd_draw_text(int dxs,int dys,void (*draw_alpha)(void *ctx, int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride), void *ctx);
 extern void vo_remove_text(int dxs,int dys,void (*remove)(int x0,int y0, int w,int h));
 
 void vo_init_osd(void);

libvo/vo_directx.c

@@ -87,7 +87,6 @@ static float window_aspect;
 static BOOL (WINAPI* myGetMonitorInfo)(HMONITOR, LPMONITORINFO) = NULL;
 static RECT last_rect = {0xDEADC0DE, 0xDEADC0DE, 0xDEADC0DE, 0xDEADC0DE};
 
-extern void vo_draw_text(int dxs,int dys,void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride));
 extern int vidmode;
 
 /*****************************************************************************

libvo/vo_macosx.m

@@ -81,7 +81,6 @@ static vo_info_t info =
 LIBVO_EXTERN(macosx)
 
 extern void mplayer_put_key(int code);
-extern void vo_draw_text(int dxs,int dys,void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride));
 
 static void draw_alpha(int x0, int y0, int w, int h, unsigned char *src, unsigned char *srca, int stride)
 {

libvo/vo_quartz.c

@@ -129,8 +129,6 @@ enum
 
 #include "osdep/keycodes.h"
 
-extern void vo_draw_text(int dxs,int dys,void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride));
-
 //PROTOTYPE/////////////////////////////////////////////////////////////////
 static OSStatus KeyEventHandler(EventHandlerCallRef nextHandler, EventRef event, void *userData);
 static OSStatus MouseEventHandler(EventHandlerCallRef nextHandler, EventRef event, void *userData);

spudec.c

@@ -767,7 +767,7 @@ void sws_spu_image(unsigned char *d1, unsigned char *d2, int dw, int dh, int ds,
 	sws_freeContext(ctx);
 }
 
-void spudec_draw_scaled(void *me, unsigned int dxs, unsigned int dys, void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride))
+void spudec_draw_scaled(void *me, unsigned int dxs, unsigned int dys, void (*draw_alpha)(void *ctx, int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride), void *ctx)
 {
   spudec_handle_t *spu = (spudec_handle_t *)me;
   scale_pixel *table_x;
@@ -784,7 +784,7 @@ void spudec_draw_scaled(void *me, unsigned int dxs, unsigned int dys, void (*dra
 	|| (spu->orig_frame_width == dxs && spu->orig_frame_height == dys))) {
       if (spu->image)
       {
-	draw_alpha(spu->start_col, spu->start_row, spu->width, spu->height,
+	draw_alpha(ctx, spu->start_col, spu->start_row, spu->width, spu->height,
 		   spu->image, spu->aimage, spu->stride);
 	spu->spu_changed = 0;
       }
@@ -1085,7 +1085,7 @@ nothing_to_do:
           spu->scaled_start_row = dys*sub_pos/100 - spu->scaled_height;
 	  break;
 	}
-	draw_alpha(spu->scaled_start_col, spu->scaled_start_row, spu->scaled_width, spu->scaled_height,
+	draw_alpha(ctx, spu->scaled_start_col, spu->scaled_start_row, spu->scaled_width, spu->scaled_height,
 		   spu->scaled_image, spu->scaled_aimage, spu->scaled_stride);
 	spu->spu_changed = 0;
       }

spudec.h

@@ -6,7 +6,7 @@
 void spudec_heartbeat(void *this, unsigned int pts100);
 void spudec_assemble(void *this, unsigned char *packet, unsigned int len, int pts100);
 void spudec_draw(void *this, void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride));
-void spudec_draw_scaled(void *this, unsigned int dxs, unsigned int dys, void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride));
+void spudec_draw_scaled(void *this, unsigned int dxs, unsigned int dys, void (*draw_alpha)(void *ctx, int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride), void *ctx);
 void spudec_update_palette(void *this, unsigned int *palette);
 void *spudec_new_scaled(unsigned int *palette, unsigned int frame_width, unsigned int frame_height);
 void *spudec_new_scaled_vobsub(unsigned int *palette, unsigned int *cuspal, unsigned int custom, unsigned int frame_width, unsigned int frame_height);