libav*: remove broken use of log callback

We can only use it at application level
Just use the default libav* callback instead which prints to stderr
We might want to set libav* verbosity with av_log_set_level()
(cherry picked from commit 20155f800ecee139e81babf82b031cc5a8bbb045)
Signed-off-by: Rafaël Carré <funman@videolan.org>

modules/codec/avcodec/Modules.am

@@ -5,7 +5,6 @@ libavcodec_plugin_la_SOURCES = \
 	subtitle.c \
 	audio.c \
 	deinterlace.c \
-	avutil.h \
 	fourcc.c \
 	chroma.h \
 	chroma.c \

modules/codec/avcodec/avcodec.c

@@ -44,7 +44,6 @@
 #endif
 
 #include "avcodec.h"
-#include "avutil.h"
 #include "chroma.h"
 
 #if LIBAVCODEC_VERSION_INT < AV_VERSION_INT( 52, 25, 0 )
@@ -399,7 +398,6 @@ void InitLibavcodec( vlc_object_t *p_object )
         avcodec_init();
 #endif
         avcodec_register_all();
-        av_log_set_callback( LibavutilCallback );
         b_ffmpeginit = true;
 
         msg_Dbg( p_object, "libavcodec initialized (interface 0x%x)",

modules/codec/avcodec/avutil.h

-/*****************************************************************************
- * avutil.h: avutil helper functions
- *****************************************************************************
- * Copyright (C) 1999-2008 the VideoLAN team
- * $Id$
- *
- * Authors: Laurent Aimar <fenrir@via.ecp.fr>
- *          Gildas Bazin <gbazin@videolan.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
-
-/*****************************************************************************
- * Export libavutil messages to the VLC message system
- *****************************************************************************/
-static inline void LibavutilCallback( void *p_opaque, int i_level,
-                        const char *psz_format, va_list va )
-{
-    AVCodecContext *p_avctx = (AVCodecContext *)p_opaque;
-    const AVClass *p_avc;
-
-    p_avc = p_avctx ? p_avctx->av_class : 0;
-
-#define cln p_avc->class_name
-    /* Make sure we can get p_this back */
-    if( !p_avctx || !p_avc || !cln ||
-        cln[0]!='A' || cln[1]!='V' || cln[2]!='C' || cln[3]!='o' ||
-        cln[4]!='d' || cln[5]!='e' || cln[6]!='c' )
-    {
-        if( i_level == AV_LOG_ERROR ) vfprintf( stderr, psz_format, va );
-        return;
-    }
-#undef cln
-
-    switch( i_level )
-    {
-    case AV_LOG_DEBUG:
-    case AV_LOG_INFO:
-        /* Print debug messages if they were requested */
-        if( !p_avctx->debug )
-            break;
-
-    case AV_LOG_ERROR:
-    case AV_LOG_QUIET:
-        vfprintf( stderr, psz_format, va );
-        break;
-    }
-}

modules/demux/avformat/mux.c

@@ -37,7 +37,6 @@
 
 #include "avformat.h"
 #include "../../codec/avcodec/avcodec.h"
-#include "../../codec/avcodec/avutil.h"
 
 /* Support for deprecated APIs */
 #if LIBAVFORMAT_VERSION_INT < ((52<<16)+(105<<8)+0)
@@ -94,7 +93,6 @@ int OpenMux( vlc_object_t *p_this )
 
     /* Should we call it only once ? */
     av_register_all();
-    av_log_set_callback( LibavutilCallback );
 
     config_ChainParse( p_mux, "ffmpeg-", ppsz_mux_options, p_mux->p_cfg );
 
@@ -240,7 +238,6 @@ static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
     }
     codec = stream->codec;
 
-    /* This is used by LibavutilCallback (avutil.h) to print messages */
     codec->opaque = p_mux;
 
     switch( p_input->p_fmt->i_cat )

po/POTFILES.in

@@ -350,7 +350,6 @@ modules/codec/araw.c
 modules/codec/avcodec/audio.c
 modules/codec/avcodec/avcodec.c
 modules/codec/avcodec/avcodec.h
-modules/codec/avcodec/avutil.h
 modules/codec/avcodec/chroma.c
 modules/codec/avcodec/deinterlace.c
 modules/codec/avcodec/encoder.c