Added es_format_InitFromVideo helper.

include/vlc_es.h

@@ -287,6 +287,11 @@ VLC_EXPORT( void, video_format_FixRgb, ( video_format_t * ) );
  */
 VLC_EXPORT( void, es_format_Init, ( es_format_t *, int i_cat, vlc_fourcc_t i_codec ) );
 
+/**
+ * This function will initialize a es_format_t structure from a video_format_t.
+ */
+VLC_EXPORT( void, es_format_InitFromVideo, ( es_format_t *, const video_format_t * ) );
+
 /**
  * This functions will copy a es_format_t.
  */

src/libvlccore.sym

@@ -122,6 +122,7 @@ EnsureUTF8
 es_format_Clean
 es_format_Copy
 es_format_Init
+es_format_InitFromVideo
 es_format_IsSimilar
 filename_sanitize
 filter_Blend

src/misc/es_format.c

@@ -258,6 +258,12 @@ void es_format_Init( es_format_t *fmt,
     fmt->p_extra                = NULL;
 }
 
+void es_format_InitFromVideo( es_format_t *p_es, const video_format_t *p_fmt )
+{
+    es_format_Init( p_es, VIDEO_ES, p_fmt->i_chroma );
+    video_format_Copy( &p_es->video, p_fmt );
+}
+
 int es_format_Copy( es_format_t *dst, const es_format_t *src )
 {
     int i;