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Merge commit 'a8c104a511f97e4ea617df73b31737e28a8a5126'

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* commit 'a8c104a511f97e4ea617df73b31737e28a8a5126':
  AVOption: add support for dictionary types.

Conflicts:
	libavutil/opt.c
	libavutil/opt.h
	libavutil/version.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-08-13 22:39:54 +02:00
commit 2ba4577809
4 changed files with 78 additions and 14 deletions
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4
doc/APIchanges
View File

@ -15,6 +15,10 @@ libavutil: 2014-08-09
API changes, most recent first:
2014-xx-xx - xxxxxxx - lavu 54.02.0 - opt.h
Add av_opt_get_dict_val/set_dict_val with AV_OPT_TYPE_DICT to support
dictionary types being set as options.
2014-xx-xx - xxxxxxx - lavf 56.01.0 - avformat.h
Add AVFormatContext.event_flags and AVStream.event_flags for signaling to
the user when events happen in the file/stream.

54
libavutil/opt.c
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@ -680,6 +680,24 @@ const char *av_get_string(void *obj, const char *name, const AVOption **o_out, c
}
#endif
int av_opt_set_dict_val(void *obj, const char *name, const AVDictionary *val, int search_flags)
{
void *target_obj;
AVDictionary **dst;
const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
if (!o || !target_obj)
return AVERROR_OPTION_NOT_FOUND;
if (o->flags & AV_OPT_FLAG_READONLY)
return AVERROR(EINVAL);
dst = (AVDictionary **)(((uint8_t *)target_obj) + o->offset);
av_dict_free(dst);
av_dict_copy(dst, val, 0);
return 0;
}
int av_opt_get(void *obj, const char *name, int search_flags, uint8_t **out_val)
{
void *dst, *target_obj;
@ -927,6 +945,23 @@ int av_opt_get_channel_layout(void *obj, const char *name, int search_flags, int
return 0;
}
int av_opt_get_dict_val(void *obj, const char *name, int search_flags, AVDictionary **out_val)
{
void *target_obj;
AVDictionary *src;
const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
if (!o || !target_obj)
return AVERROR_OPTION_NOT_FOUND;
if (o->type != AV_OPT_TYPE_DICT)
return AVERROR(EINVAL);
src = *(AVDictionary **)(((uint8_t *)target_obj) + o->offset);
av_dict_copy(out_val, src, 0);
return 0;
}
int av_opt_flag_is_set(void *obj, const char *field_name, const char *flag_name)
{
const AVOption *field = av_opt_find(obj, field_name, NULL, 0, 0);
@ -1220,7 +1255,8 @@ void av_opt_set_defaults2(void *s, int mask, int flags)
write_number(s, opt, dst, 1, 1, opt->default_val.i64);
break;
case AV_OPT_TYPE_BINARY:
/* Cannot set default for binary */
case AV_OPT_TYPE_DICT:
/* Cannot set defaults for these types */
break;
default:
av_log(s, AV_LOG_DEBUG, "AVOption type %d of option %s not implemented yet\n", opt->type, opt->name);
@ -1414,9 +1450,21 @@ int av_opt_set_from_string(void *ctx, const char *opts,
void av_opt_free(void *obj)
{
const AVOption *o = NULL;
while ((o = av_opt_next(obj, o)))
if (o->type == AV_OPT_TYPE_STRING || o->type == AV_OPT_TYPE_BINARY)
while ((o = av_opt_next(obj, o))) {
switch (o->type) {
case AV_OPT_TYPE_STRING:
case AV_OPT_TYPE_BINARY:
av_freep((uint8_t *)obj + o->offset);
break;
case AV_OPT_TYPE_DICT:
av_dict_free((AVDictionary **)(((uint8_t *)obj) + o->offset));
break;
default:
break;
}
}
}
int av_opt_set_dict2(void *obj, AVDictionary **options, int search_flags)

14
libavutil/opt.h
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@ -226,6 +226,7 @@ enum AVOptionType{
AV_OPT_TYPE_STRING,
AV_OPT_TYPE_RATIONAL,
AV_OPT_TYPE_BINARY, ///< offset must point to a pointer immediately followed by an int for the length
AV_OPT_TYPE_DICT,
AV_OPT_TYPE_CONST = 128,
AV_OPT_TYPE_IMAGE_SIZE = MKBETAG('S','I','Z','E'), ///< offset must point to two consecutive integers
AV_OPT_TYPE_PIXEL_FMT = MKBETAG('P','F','M','T'),
@ -511,7 +512,7 @@ int av_opt_set_from_string(void *ctx, const char *opts,
const char *const *shorthand,
const char *key_val_sep, const char *pairs_sep);
/**
* Free all string and binary options in obj.
* Free all allocated objects in obj.
*/
void av_opt_free(void *obj);
@ -745,6 +746,11 @@ int av_opt_set_pixel_fmt (void *obj, const char *name, enum AVPixelFormat fmt, i
int av_opt_set_sample_fmt(void *obj, const char *name, enum AVSampleFormat fmt, int search_flags);
int av_opt_set_video_rate(void *obj, const char *name, AVRational val, int search_flags);
int av_opt_set_channel_layout(void *obj, const char *name, int64_t ch_layout, int search_flags);
/**
* @note Any old dictionary present is discarded and replaced with a copy of the new one. The
* caller still owns val is and responsible for freeing it.
*/
int av_opt_set_dict_val(void *obj, const char *name, const AVDictionary *val, int search_flags);
/**
* Set a binary option to an integer list.
@ -761,6 +767,7 @@ int av_opt_set_channel_layout(void *obj, const char *name, int64_t ch_layout, in
AVERROR(EINVAL) : \
av_opt_set_bin(obj, name, (const uint8_t *)(val), \
av_int_list_length(val, term) * sizeof(*(val)), flags))
/**
* @}
*/
@ -789,6 +796,11 @@ int av_opt_get_pixel_fmt (void *obj, const char *name, int search_flags, enum AV
int av_opt_get_sample_fmt(void *obj, const char *name, int search_flags, enum AVSampleFormat *out_fmt);
int av_opt_get_video_rate(void *obj, const char *name, int search_flags, AVRational *out_val);
int av_opt_get_channel_layout(void *obj, const char *name, int search_flags, int64_t *ch_layout);
/**
* @param[out] out_val The returned dictionary is a copy of the actual value and must
* be freed with av_dict_free() by the caller
*/
int av_opt_get_dict_val(void *obj, const char *name, int search_flags, AVDictionary **out_val);
/**
* @}
*/

2
libavutil/version.h
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@ -56,7 +56,7 @@
*/
#define LIBAVUTIL_VERSION_MAJOR 54
#define LIBAVUTIL_VERSION_MINOR 1
#define LIBAVUTIL_VERSION_MINOR 2
#define LIBAVUTIL_VERSION_MICRO 100
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \