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avutil: add get_category() for the case where one AVClass can have more than 1 category 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-06-03 22:39:54 +02:00
parent b76f77ee0d
commit e69263cd01
3 changed files with 22 additions and 5 deletions
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2
libavutil/avutil.h
View File

@ -153,7 +153,7 @@
*/
#define LIBAVUTIL_VERSION_MAJOR 51
#define LIBAVUTIL_VERSION_MINOR 58
#define LIBAVUTIL_VERSION_MINOR 59
#define LIBAVUTIL_VERSION_MICRO 100
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \

17
libavutil/log.c
View File

@ -121,6 +121,11 @@ const char *av_default_item_name(void *ptr)
return (*(AVClass **) ptr)->class_name;
}
AVClassCategory av_default_get_category(void *ptr)
{
return (*(AVClass **) ptr)->category;
}
static void sanitize(uint8_t *line){
while(*line){
if(*line < 0x08 || (*line > 0x0D && *line < 0x20))
@ -129,12 +134,16 @@ static void sanitize(uint8_t *line){
}
}
static int get_category(AVClass *avc){
static int get_category(void *ptr){
AVClass *avc = *(AVClass **) ptr;
if( !avc
|| (avc->version&0xFF)<100
|| avc->version < (51 << 16 | 56 << 8)
|| avc->version < (51 << 16 | 59 << 8)
|| avc->category >= AV_CLASS_CATEGORY_NB) return AV_CLASS_CATEGORY_NA + 16;
if(avc->get_category)
return avc->get_category(ptr) + 16;
return avc->category + 16;
}
@ -151,12 +160,12 @@ static void format_line(void *ptr, int level, const char *fmt, va_list vl,
if (parent && *parent) {
snprintf(part[0], part_size, "[%s @ %p] ",
(*parent)->item_name(parent), parent);
if(type) type[0] = get_category(*parent);
if(type) type[0] = get_category(((uint8_t *) ptr) + avc->parent_log_context_offset);
}
}
snprintf(part[1], part_size, "[%s @ %p] ",
avc->item_name(ptr), ptr);
if(type) type[1] = get_category(avc);
if(type) type[1] = get_category(ptr);
}
vsnprintf(part[2], part_size, fmt, vl);

8
libavutil/log.h
View File

@ -102,9 +102,16 @@ typedef struct AVClass {
/**
* Category used for visualization (like color)
* This is only set if the category is equal for all objects using this class.
* available since version (51 << 16 | 56 << 8 | 100)
*/
AVClassCategory category;
/**
* Callback to return the category.
* available since version (51 << 16 | 59 << 8 | 100)
*/
AVClassCategory (*get_category)(void* ctx);
} AVClass;
/* av_log API */
@ -167,6 +174,7 @@ void av_log_set_level(int);
void av_log_set_callback(void (*)(void*, int, const char*, va_list));
void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl);
const char* av_default_item_name(void* ctx);
AVClassCategory av_default_get_category(void *ptr);
/**
* Format a line of log the same way as the default callback.