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av_log() patch by (Michel Bardiaux <mbardiaux at peaktime dot be>)

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Originally committed as revision 2469 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michel Bardiaux
2003-11-03 13:26:22 +00:00
committed by Michael Niedermayer
parent 8bae9ddc91
commit 9b87956678
48 changed files with 527 additions and 453 deletions
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51
libavcodec/utils.c
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@@ -1,6 +1,7 @@
/*
* utils for libavcodec
* Copyright (c) 2001 Fabrice Bellard.
* Copyright (c) 2003 Michel Bardiaux for the av_log API
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@@ -25,6 +26,7 @@
#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
#include <stdarg.h>
void *av_mallocz(unsigned int size)
{
@@ -766,3 +768,52 @@ int64_t av_rescale(int64_t a, int b, int c){
return ((h/c)<<32) + l/c;
}
/* av_log API */
#ifdef AV_LOG_TRAP_PRINTF
#undef stderr
#undef fprintf
#endif
static int av_log_level = AV_LOG_DEBUG;
static void av_log_default_callback(AVCodecContext* avctx, int level, const char* fmt, va_list vl)
{
if(level>av_log_level)
return;
if(avctx)
fprintf(stderr, "[%s @ %p]", avctx->codec->name, avctx);
vfprintf(stderr, fmt, vl);
}
static void (*av_log_callback)(AVCodecContext*, int, const char*, va_list) = av_log_default_callback;
void av_log(AVCodecContext* avctx, int level, const char *fmt, ...)
{
va_list vl;
va_start(vl, fmt);
av_vlog(avctx, level, fmt, vl);
va_end(vl);
}
void av_vlog(AVCodecContext* avctx, int level, const char *fmt, va_list vl)
{
av_log_callback(avctx, level, fmt, vl);
}
int av_log_get_level(void)
{
return av_log_level;
}
void av_log_set_level(int level)
{
av_log_level = level;
}
void av_log_set_callback(void (*callback)(AVCodecContext*, int, const char*, va_list))
{
av_log_callback = callback;
}