* AVOptions
* Copyright (c) 2005 Michael Niedermayer <michaelni@gmx.at>
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avstring.h"
#include "opt.h"
#include "eval.h"
+#include "dict.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)
{
}
return NULL;
}
+#endif
const AVOption *av_next_option(void *obj, const AVOption *last)
{
static int av_set_number2(void *obj, const char *name, double num, int den, int64_t intnum, const AVOption **o_out)
{
- const AVOption *o= av_find_opt(obj, name, NULL, 0, 0);
+ const AVOption *o = av_opt_find(obj, name, NULL, 0, 0);
void *dst;
if (o_out)
*o_out= o;
if (!o || o->offset<=0)
- return AVERROR(ENOENT);
+ return AVERROR_OPTION_NOT_FOUND;
if (o->max*den < num*intnum || o->min*den > num*intnum) {
av_log(obj, AV_LOG_ERROR, "Value %lf for parameter '%s' out of range\n", num, name);
int av_set_string3(void *obj, const char *name, const char *val, int alloc, const AVOption **o_out)
{
int ret;
- const AVOption *o= av_find_opt(obj, name, NULL, 0, 0);
+ const AVOption *o = av_opt_find(obj, name, NULL, 0, 0);
if (o_out)
*o_out = o;
if (!o)
- return AVERROR(ENOENT);
+ return AVERROR_OPTION_NOT_FOUND;
if (!val || o->offset<=0)
return AVERROR(EINVAL);
buf[i]=0;
{
- const AVOption *o_named= av_find_opt(obj, buf, o->unit, 0, 0);
+ const AVOption *o_named = av_opt_find(obj, buf, o->unit, 0, 0);
if (o_named && o_named->type == FF_OPT_TYPE_CONST)
- d= o_named->default_val;
- else if (!strcmp(buf, "default")) d= o->default_val;
+ d= o_named->default_val.dbl;
+ else if (!strcmp(buf, "default")) d= o->default_val.dbl;
else if (!strcmp(buf, "max" )) d= o->max;
else if (!strcmp(buf, "min" )) d= o->min;
else if (!strcmp(buf, "none" )) d= 0;
*/
const char *av_get_string(void *obj, const char *name, const AVOption **o_out, char *buf, int buf_len)
{
- const AVOption *o= av_find_opt(obj, name, NULL, 0, 0);
+ const AVOption *o = av_opt_find(obj, name, NULL, 0, 0);
void *dst;
uint8_t *bin;
int len, i;
static int av_get_number(void *obj, const char *name, const AVOption **o_out, double *num, int *den, int64_t *intnum)
{
- const AVOption *o= av_find_opt(obj, name, NULL, 0, 0);
+ const AVOption *o = av_opt_find(obj, name, NULL, 0, 0);
void *dst;
if (!o || o->offset<=0)
goto error;
double num=1;
int den=1;
- av_get_number(obj, name, o_out, &num, &den, &intnum);
+ if (av_get_number(obj, name, o_out, &num, &den, &intnum) < 0)
+ return NAN;
return num*intnum/den;
}
double num=1;
int den=1;
- av_get_number(obj, name, o_out, &num, &den, &intnum);
+ if (av_get_number(obj, name, o_out, &num, &den, &intnum) < 0)
+ return (AVRational){0, 0};
if (num == 1.0 && (int)intnum == intnum)
return (AVRational){intnum, den};
else
double num=1;
int den=1;
- av_get_number(obj, name, o_out, &num, &den, &intnum);
+ if (av_get_number(obj, name, o_out, &num, &den, &intnum) < 0)
+ return -1;
return num*intnum/den;
}
+int av_opt_flag_is_set(void *obj, const char *field_name, const char *flag_name)
+{
+ const AVOption *field = av_find_opt(obj, field_name, NULL, 0, 0);
+ const AVOption *flag = av_find_opt(obj, flag_name, NULL, 0, 0);
+
+ if (!field || !flag || flag->type != FF_OPT_TYPE_CONST)
+ return 0;
+ return av_get_int(obj, field_name, NULL) & (int) flag->default_val.dbl;
+}
+
static void opt_list(void *obj, void *av_log_obj, const char *unit,
int req_flags, int rej_flags)
{
case FF_OPT_TYPE_FLAGS:
case FF_OPT_TYPE_INT: {
int val;
- val = opt->default_val;
+ val = opt->default_val.dbl;
av_set_int(s, opt->name, val);
}
break;
case FF_OPT_TYPE_INT64:
- if ((double)(opt->default_val+0.6) == opt->default_val)
+ if ((double)(opt->default_val.dbl+0.6) == opt->default_val.dbl)
av_log(s, AV_LOG_DEBUG, "loss of precision in default of %s\n", opt->name);
- av_set_int(s, opt->name, opt->default_val);
+ av_set_int(s, opt->name, opt->default_val.dbl);
break;
case FF_OPT_TYPE_DOUBLE:
case FF_OPT_TYPE_FLOAT: {
double val;
- val = opt->default_val;
+ val = opt->default_val.dbl;
av_set_double(s, opt->name, val);
}
break;
case FF_OPT_TYPE_RATIONAL: {
AVRational val;
- val = av_d2q(opt->default_val, INT_MAX);
+ val = av_d2q(opt->default_val.dbl, INT_MAX);
av_set_q(s, opt->name, val);
}
break;
case FF_OPT_TYPE_STRING:
+ av_set_string3(s, opt->name, opt->default_val.str, 1, NULL);
+ break;
case FF_OPT_TYPE_BINARY:
- /* Cannot set default for string as default_val is of type * double */
+ /* Cannot set default for binary */
break;
default:
av_log(s, AV_LOG_DEBUG, "AVOption type %d of option %s not implemented yet\n", opt->type, opt->name);
av_log(ctx, AV_LOG_DEBUG, "Setting value '%s' for key '%s'\n", val, key);
ret = av_set_string3(ctx, key, val, 1, NULL);
- if (ret == AVERROR(ENOENT))
+ if (ret == AVERROR_OPTION_NOT_FOUND)
av_log(ctx, AV_LOG_ERROR, "Key '%s' not found.\n", key);
av_free(key);
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);
+}
+
+int av_opt_set_dict(void *obj, AVDictionary **options)
+{
+ AVDictionaryEntry *t = NULL;
+ AVDictionary *tmp = NULL;
+ int ret = 0;
+
+ while ((t = av_dict_get(*options, "", t, AV_DICT_IGNORE_SUFFIX))) {
+ ret = av_set_string3(obj, t->key, t->value, 1, NULL);
+ if (ret == AVERROR_OPTION_NOT_FOUND)
+ av_dict_set(&tmp, t->key, t->value, 0);
+ else if (ret < 0) {
+ av_log(obj, AV_LOG_ERROR, "Error setting option %s to value %s.\n", t->key, t->value);
+ break;
+ }
+ ret = 0;
+ }
+ av_dict_free(options);
+ *options = tmp;
+ return ret;
+}
+
+const AVOption *av_opt_find(void *obj, const char *name, const char *unit,
+ int opt_flags, int search_flags)
+{
+ AVClass *c = *(AVClass**)obj;
+ const AVOption *o = NULL;
+
+ if (c->opt_find && search_flags & AV_OPT_SEARCH_CHILDREN &&
+ (o = c->opt_find(obj, name, unit, opt_flags, search_flags)))
+ return o;
+
+ while (o = av_next_option(obj, o)) {
+ if (!strcmp(o->name, name) && (!unit || (o->unit && !strcmp(o->unit, unit))) &&
+ (o->flags & opt_flags) == opt_flags)
+ return o;
+ }
+ return NULL;
+}
+
#ifdef TEST
#undef printf
projects / ffmpeg / blobdiff