[vlc-commits] [Git][videolan/vlc][master] codec/libass: register a message callback

[Steve Lhomme (@robUx4)]

Steve Lhomme pushed to branch master at VideoLAN / VLC


Commits:
22479ecf by Sean McGovern at 2026-09-26T05:25:49+00:00
codec/libass: register a message callback

By default, libass logs messages to standard output.
Instead, let's properly place it in the message log.

libass does not expose it's logging levels in a public
header, so everything will currently be logged at DEBUG.

- - - - -


1 changed file:

- modules/codec/libass.c


Changes:

=====================================
modules/codec/libass.c
=====================================
@@ -28,6 +28,7 @@
 #   include "config.h"
 #endif
 
+#include <stdarg.h>
 #include <string.h>
 #include <limits.h>
 #include <assert.h>
@@ -39,6 +40,7 @@
 #include <vlc_input.h>
 #include <vlc_dialog.h>
 #include <vlc_stream.h>
+#include <vlc_messages.h>
 
 #include <ass/ass.h>
 
@@ -117,6 +119,11 @@ static void OldEngineClunkyRollInfoPatch( decoder_t *p_dec, ASS_Track * );
 
 //#define DEBUG_REGION
 
+static void vlc_ass_msg_handler(int level, const char *fmt, va_list va, void *data) {
+    decoder_t *p_dec = data;
+    msg_GenericVa( p_dec, VLC_MSG_DBG, fmt, va );
+}
+
 /*****************************************************************************
  * Create: Open libass decoder.
  *****************************************************************************/
@@ -153,6 +160,8 @@ static int Create( vlc_object_t *p_this )
         return VLC_EGENERIC;
     }
 
+    ass_set_message_cb(p_library, vlc_ass_msg_handler, p_dec);
+
     /* load attachments */
     input_attachment_t  **pp_attachments;
     int                   i_attachments;



View it on GitLab: https://code.videolan.org/videolan/vlc/-/commit/22479ecffc01bb4e6ad8ddedff257a1d8c7820a5

-- 
View it on GitLab: https://code.videolan.org/videolan/vlc/-/commit/22479ecffc01bb4e6ad8ddedff257a1d8c7820a5
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