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Deprecate av_opt_show() in favor of a new function av_opt_show2(),

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which allows to specify only a subset of all the options to show.

Originally committed as revision 25166 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini
2010-09-24 00:51:40 +00:00
parent 47941088f9
commit e44c01563f
4 changed files with 40 additions and 10 deletions
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19
libavcodec/opt.c
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@@ -319,12 +319,13 @@ int64_t av_get_int(void *obj, const char *name, const AVOption **o_out){
return num*intnum/den;
}
static void opt_list(void *obj, void *av_log_obj, const char *unit)
static void opt_list(void *obj, void *av_log_obj, const char *unit,
int req_flags, int rej_flags)
{
const AVOption *opt=NULL;
while((opt= av_next_option(obj, opt))){
if(!(opt->flags & (AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM)))
if (!(opt->flags & req_flags) || (opt->flags & rej_flags))
continue;
/* Don't print CONST's on level one.
@@ -383,22 +384,30 @@ static void opt_list(void *obj, void *av_log_obj, const char *unit)
av_log(av_log_obj, AV_LOG_INFO, " %s", opt->help);
av_log(av_log_obj, AV_LOG_INFO, "\n");
if (opt->unit && opt->type != FF_OPT_TYPE_CONST) {
opt_list(obj, av_log_obj, opt->unit);
opt_list(obj, av_log_obj, opt->unit, req_flags, rej_flags);
}
}
}
int av_opt_show(void *obj, void *av_log_obj){
int av_opt_show2(void *obj, void *av_log_obj, int req_flags, int rej_flags)
{
if(!obj)
return -1;
av_log(av_log_obj, AV_LOG_INFO, "%s AVOptions:\n", (*(AVClass**)obj)->class_name);
opt_list(obj, av_log_obj, NULL);
opt_list(obj, av_log_obj, NULL, req_flags, rej_flags);
return 0;
}
#if FF_API_OPT_SHOW
int av_opt_show(void *obj, void *av_log_obj){
return av_opt_show2(obj, av_log_obj,
AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
}
#endif
/** Set the values of the AVCodecContext or AVFormatContext structure.
* They are set to the defaults specified in the according AVOption options
* array default_val field.