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Print parent log context too, if available.

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Originally committed as revision 23200 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2010-05-19 22:51:38 +00:00
parent 2c1bb26535
commit 4880cfd952
1 changed files with 9 additions and 3 deletions
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12
libavutil/log.c
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@ -68,11 +68,17 @@ void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
AVClass* avc= ptr ? *(AVClass**)ptr : NULL;
if(level>av_log_level)
return;
line[0]=0;
#undef fprintf
if(print_prefix && avc) {
snprintf(line, sizeof(line), "[%s @ %p]", avc->item_name(ptr), ptr);
}else
line[0]=0;
if(avc->version >= (50<<16 | 15<<8 | 3) && avc->parent_log_context_offset){
AVClass** parent= *(AVClass***)(((uint8_t*)ptr) + avc->parent_log_context_offset);
if(parent && *parent){
snprintf(line, sizeof(line), "[%s @ %p]", (*parent)->item_name(parent), parent);
}
}
snprintf(line + strlen(line), sizeof(line) - strlen(line), "[%s @ %p]", avc->item_name(ptr), ptr);
}
vsnprintf(line + strlen(line), sizeof(line) - strlen(line), fmt, vl);