#define AVCODEC_OPT_H
/**
- * @file opt.h
+ * @file libavcodec/opt.h
* AVOptions
*/
#include "libavutil/rational.h"
+#include "avcodec.h"
enum AVOptionType{
FF_OPT_TYPE_FLAGS,
/**
- * Looks for an option in \p obj. Looks only for the options which
- * have the flags set as specified in \p mask and \p flags (that is,
+ * Looks for an option in obj. Looks only for the options which
+ * have the flags set as specified in mask and flags (that is,
* for which it is the case that opt->flags & mask == flags).
*
* @param[in] obj a pointer to a struct whose first element is a
- * pointer to an #AVClass
+ * pointer to an AVClass
* @param[in] name the name of the option to look for
* @param[in] unit the unit of the option to look for, or any if NULL
* @return a pointer to the option found, or NULL if no option
*/
const AVOption *av_find_opt(void *obj, const char *name, const char *unit, int mask, int flags);
+#if LIBAVCODEC_VERSION_MAJOR < 53
/**
* @see av_set_string2()
*/
attribute_deprecated const AVOption *av_set_string(void *obj, const char *name, const char *val);
+/**
+ * @return a pointer to the AVOption corresponding to the field set or
+ * NULL if no matching AVOption exists, or if the value val is not
+ * valid
+ * @see av_set_string3()
+ */
+attribute_deprecated const AVOption *av_set_string2(void *obj, const char *name, const char *val, int alloc);
+#endif
+
/**
* Sets the field of obj with the given name to value.
*
* scalars or named flags separated by '+' or '-'. Prefixing a flag
* with '+' causes it to be set without affecting the other flags;
* similarly, '-' unsets a flag.
- * @return a pointer to the AVOption corresponding to the field set or
- * NULL if no matching AVOption exists, or if the value \p val is not
- * valid
+ * @param[out] o_out if non-NULL put here a pointer to the AVOption
+ * found
* @param alloc when 1 then the old value will be av_freed() and the
* new av_strduped()
* when 0 then no av_free() nor av_strdup() will be used
+ * @return 0 if the value has been set, or an AVERROR code in case of
+ * error:
+ * AVERROR(ENOENT) if no matching option exists
+ * AVERROR(ERANGE) if the value is out of range
+ * AVERROR(EINVAL) if the value is not valid
*/
-const AVOption *av_set_string2(void *obj, const char *name, const char *val, int alloc);
+int av_set_string3(void *obj, const char *name, const char *val, int alloc, const AVOption **o_out);
const AVOption *av_set_double(void *obj, const char *name, double n);
const AVOption *av_set_q(void *obj, const char *name, AVRational n);