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AVOptions: add av_opt_free convenience function.

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This commit is contained in:
Anton Khirnov 2011-06-05 13:17:26 +02:00
parent 92b4abc2ad
commit b39b06233d
4 changed files with 17 additions and 1 deletions
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3
doc/APIchanges
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@ -13,6 +13,9 @@ libavutil: 2011-04-18
API changes, most recent first: API changes, most recent first:
2011-06-xx - xxxxxxx - lavu 51.3.0 - opt.h
Add av_opt_free convenience function.
2011-05-28 - 0420bd7 - lavu 51.2.0 - pixdesc.h 2011-05-28 - 0420bd7 - lavu 51.2.0 - pixdesc.h
Add av_get_pix_fmt_name() in libavutil/pixdesc.h, and deprecate Add av_get_pix_fmt_name() in libavutil/pixdesc.h, and deprecate
avcodec_get_pix_fmt_name() in libavcodec/avcodec.h in its favor. avcodec_get_pix_fmt_name() in libavcodec/avcodec.h in its favor.

2
libavutil/avutil.h
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@ -40,7 +40,7 @@
#define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c) #define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c)
#define LIBAVUTIL_VERSION_MAJOR 51 #define LIBAVUTIL_VERSION_MAJOR 51
#define LIBAVUTIL_VERSION_MINOR 2 #define LIBAVUTIL_VERSION_MINOR 3
#define LIBAVUTIL_VERSION_MICRO 0 #define LIBAVUTIL_VERSION_MICRO 0
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \ #define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \

8
libavutil/opt.c
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@ -520,6 +520,14 @@ int av_set_options_string(void *ctx, const char *opts,
return count; return count;
} }
void av_opt_free(void *obj)
{
const AVOption *o = NULL;
while ((o = av_next_option(obj, o)))
if (o->type == FF_OPT_TYPE_STRING || o->type == FF_OPT_TYPE_BINARY)
av_freep((uint8_t *)obj + o->offset);
}
#ifdef TEST #ifdef TEST
#undef printf #undef printf

5
libavutil/opt.h
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@ -176,4 +176,9 @@ void av_opt_set_defaults2(void *s, int mask, int flags);
int av_set_options_string(void *ctx, const char *opts, int av_set_options_string(void *ctx, const char *opts,
const char *key_val_sep, const char *pairs_sep); const char *key_val_sep, const char *pairs_sep);
/**
* Free all string and binary options in obj.
*/
void av_opt_free(void *obj);
#endif /* AVUTIL_OPT_H */ #endif /* AVUTIL_OPT_H */