picture: move picture_BlendSubpicture() to subpicture

include/vlc_picture.h

@@ -238,19 +238,6 @@ VLC_API int picture_Export( vlc_object_t *p_obj, block_t **pp_image, video_forma
 VLC_API int picture_Setup( picture_t *, const video_format_t * );
 
 
-/**
- * This function will blend a given subpicture onto a picture.
- *
- * The subpicture and all its region must:
- *  - be absolute.
- *  - not be ephemere.
- *  - not have the fade flag.
- *  - contains only picture (no text rendering).
- * \return the number of region(s) succesfully blent
- */
-VLC_API unsigned picture_BlendSubpicture( picture_t *, filter_t *p_blend, subpicture_t * );
-
-
 /*****************************************************************************
  * Shortcuts to access image components
  *****************************************************************************/

include/vlc_subpicture.h

@@ -203,6 +203,18 @@ VLC_API subpicture_t * subpicture_NewFromPicture( vlc_object_t *, picture_t *, v
  */
 VLC_API void subpicture_Update( subpicture_t *, const video_format_t *src, const video_format_t *, mtime_t );
 
+/**
+ * This function will blend a given subpicture onto a picture.
+ *
+ * The subpicture and all its region must:
+ *  - be absolute.
+ *  - not be ephemere.
+ *  - not have the fade flag.
+ *  - contains only picture (no text rendering).
+ * \return the number of region(s) succesfully blent
+ */
+VLC_API unsigned picture_BlendSubpicture( picture_t *, filter_t *p_blend, subpicture_t * );
+
 /**@}*/
 
 #endif /* _VLC_VIDEO_H */

src/misc/picture.c

@@ -448,25 +448,3 @@ int picture_Export( vlc_object_t *p_obj,
 
     return VLC_SUCCESS;
 }
-
-unsigned picture_BlendSubpicture(picture_t *dst,
-                                 filter_t *blend, subpicture_t *src)
-{
-    unsigned done = 0;
-
-    assert(src && !src->b_fade && src->b_absolute);
-
-    for (subpicture_region_t *r = src->p_region; r != NULL; r = r->p_next) {
-        assert(r->p_picture && r->i_align == 0);
-        if (filter_ConfigureBlend(blend, dst->format.i_width,
-                                  dst->format.i_height,  &r->fmt)
-         || filter_Blend(blend, dst, r->i_x, r->i_y, r->p_picture,
-                         src->i_alpha * r->i_alpha / 255))
-            msg_Err(blend, "blending %4.4s to %4.4s failed",
-                    (char *)&blend->fmt_in.video.i_chroma,
-                    (char *)&blend->fmt_out.video.i_chroma );
-        else
-            done++;
-    }
-    return done;
-}

src/misc/subpicture.c

@@ -272,3 +272,26 @@ void subpicture_region_ChainDelete( subpicture_region_t *p_head )
     }
 }
 
+#include <vlc_filter.h>
+
+unsigned picture_BlendSubpicture(picture_t *dst,
+                                 filter_t *blend, subpicture_t *src)
+{
+    unsigned done = 0;
+
+    assert(src && !src->b_fade && src->b_absolute);
+
+    for (subpicture_region_t *r = src->p_region; r != NULL; r = r->p_next) {
+        assert(r->p_picture && r->i_align == 0);
+        if (filter_ConfigureBlend(blend, dst->format.i_width,
+                                  dst->format.i_height,  &r->fmt)
+         || filter_Blend(blend, dst, r->i_x, r->i_y, r->p_picture,
+                         src->i_alpha * r->i_alpha / 255))
+            msg_Err(blend, "blending %4.4s to %4.4s failed",
+                    (char *)&blend->fmt_in.video.i_chroma,
+                    (char *)&blend->fmt_out.video.i_chroma );
+        else
+            done++;
+    }
+    return done;
+}