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opt: print ranges in opt_list()

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The formating can and should be improved.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-11-25 17:38:54 +01:00
parent a8e0d51bb8
commit f4ceca6261
1 changed files with 42 additions and 0 deletions
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42
libavutil/opt.c
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@ -37,6 +37,8 @@
#include "mathematics.h"
#include "samplefmt.h"
#include <float.h>
#if FF_API_FIND_OPT
//FIXME order them and do a bin search
const AVOption *av_find_opt(void *v, const char *name, const char *unit, int mask, int flags)
@ -733,10 +735,31 @@ int av_opt_flag_is_set(void *obj, const char *field_name, const char *flag_name)
return res & flag->default_val.i64;
}
static void log_value(void *av_log_obj, int level, double d)
{
if (d == INT_MAX) {
av_log(av_log_obj, level, "INT_MAX");
} else if (d == INT_MIN) {
av_log(av_log_obj, level, "INT_MIN");
} else if (d == (double)INT64_MAX) {
av_log(av_log_obj, level, "I64_MAX");
} else if (d == INT64_MIN) {
av_log(av_log_obj, level, "I64_MIN");
} else if (d == FLT_MAX) {
av_log(av_log_obj, level, "FLT_MAX");
} else if (d == FLT_MIN) {
av_log(av_log_obj, level, "FLT_MIN");
} else {
av_log(av_log_obj, level, "%7.2g", d);
}
}
static void opt_list(void *obj, void *av_log_obj, const char *unit,
int req_flags, int rej_flags)
{
const AVOption *opt=NULL;
AVOptionRanges *r;
int i;
while ((opt = av_opt_next(obj, opt))) {
if (!(opt->flags & req_flags) || (opt->flags & rej_flags))
@ -803,6 +826,25 @@ static void opt_list(void *obj, void *av_log_obj, const char *unit,
av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_AUDIO_PARAM ) ? 'A' : '.');
av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_SUBTITLE_PARAM) ? 'S' : '.');
if(av_opt_query_ranges(&r, obj, opt->name, AV_OPT_SEARCH_FAKE_OBJ) >= 0) {
switch (opt->type) {
case AV_OPT_TYPE_INT:
case AV_OPT_TYPE_INT64:
case AV_OPT_TYPE_DOUBLE:
case AV_OPT_TYPE_FLOAT:
case AV_OPT_TYPE_RATIONAL:
for (i=0; i<r->nb_ranges; i++) {
av_log(av_log_obj, AV_LOG_INFO, "[");
log_value(av_log_obj, AV_LOG_INFO, r->range[i]->value_min);
av_log(av_log_obj, AV_LOG_INFO, ", ");
log_value(av_log_obj, AV_LOG_INFO, r->range[i]->value_max);
av_log(av_log_obj, AV_LOG_INFO, "]");
}
break;
}
av_opt_freep_ranges(&r);
}
if (opt->help)
av_log(av_log_obj, AV_LOG_INFO, " %s", opt->help);
av_log(av_log_obj, AV_LOG_INFO, "\n");