|
FFmpeg
|
#include "rational.h"#include "avutil.h"#include "channel_layout.h"#include "dict.h"#include "log.h"#include "pixfmt.h"#include "samplefmt.h"Go to the source code of this file.
Data Structures | |
| struct | AVOptionArrayDef |
| May be set as default_val for AV_OPT_TYPE_FLAG_ARRAY options. More... | |
| struct | AVOption |
| AVOption. More... | |
| struct | AVOptionRange |
| A single allowed range of values, or a single allowed value. More... | |
| struct | AVOptionRanges |
| List of AVOptionRange structs. More... | |
Macros | |
| #define | AV_OPT_FLAG_ENCODING_PARAM (1 << 0) |
| A generic parameter which can be set by the user for muxing or encoding. More... | |
| #define | AV_OPT_FLAG_DECODING_PARAM (1 << 1) |
| A generic parameter which can be set by the user for demuxing or decoding. More... | |
| #define | AV_OPT_FLAG_AUDIO_PARAM (1 << 3) |
| #define | AV_OPT_FLAG_VIDEO_PARAM (1 << 4) |
| #define | AV_OPT_FLAG_SUBTITLE_PARAM (1 << 5) |
| #define | AV_OPT_FLAG_EXPORT (1 << 6) |
| The option is intended for exporting values to the caller. More... | |
| #define | AV_OPT_FLAG_READONLY (1 << 7) |
| The option may not be set through the AVOptions API, only read. More... | |
| #define | AV_OPT_FLAG_BSF_PARAM (1 << 8) |
| A generic parameter which can be set by the user for bit stream filtering. More... | |
| #define | AV_OPT_FLAG_RUNTIME_PARAM (1 << 15) |
| A generic parameter which can be set by the user at runtime. More... | |
| #define | AV_OPT_FLAG_FILTERING_PARAM (1 << 16) |
| A generic parameter which can be set by the user for filtering. More... | |
| #define | AV_OPT_FLAG_DEPRECATED (1 << 17) |
| Set if option is deprecated, users should refer to AVOption.help text for more information. More... | |
| #define | AV_OPT_FLAG_CHILD_CONSTS (1 << 18) |
| Set if option constants can also reside in child objects. More... | |
| #define | AV_OPT_SEARCH_CHILDREN (1 << 0) |
| Search in possible children of the given object first. More... | |
| #define | AV_OPT_SEARCH_FAKE_OBJ (1 << 1) |
| The obj passed to av_opt_find() is fake – only a double pointer to AVClass instead of a required pointer to a struct containing AVClass. More... | |
| #define | AV_OPT_ALLOW_NULL (1 << 2) |
| In av_opt_get, return NULL if the option has a pointer type and is set to NULL, rather than returning an empty string. More... | |
| #define | AV_OPT_ARRAY_REPLACE (1 << 3) |
| May be used with av_opt_set_array() to signal that new elements should replace the existing ones in the indicated range. More... | |
| #define | AV_OPT_MULTI_COMPONENT_RANGE (1 << 12) |
| Allows av_opt_query_ranges and av_opt_query_ranges_default to return more than one component for certain option types. More... | |
| #define | av_opt_set_int_list(obj, name, val, term, flags) |
| Set a binary option to an integer list. More... | |
| #define | AV_OPT_SERIALIZE_SKIP_DEFAULTS 0x00000001 |
| Serialize options that are not set to default values only. More... | |
| #define | AV_OPT_SERIALIZE_OPT_FLAGS_EXACT 0x00000002 |
| Serialize options that exactly match opt_flags only. More... | |
| #define | AV_OPT_SERIALIZE_SEARCH_CHILDREN 0x00000004 |
| Serialize options in possible children of the given object. More... | |
Enumerations | |
| enum | AVOptionType { AV_OPT_TYPE_FLAGS = 1, AV_OPT_TYPE_INT, AV_OPT_TYPE_INT64, AV_OPT_TYPE_DOUBLE, AV_OPT_TYPE_FLOAT, AV_OPT_TYPE_STRING, AV_OPT_TYPE_RATIONAL, AV_OPT_TYPE_BINARY, AV_OPT_TYPE_DICT, AV_OPT_TYPE_UINT64, AV_OPT_TYPE_CONST, AV_OPT_TYPE_IMAGE_SIZE, AV_OPT_TYPE_PIXEL_FMT, AV_OPT_TYPE_SAMPLE_FMT, AV_OPT_TYPE_VIDEO_RATE, AV_OPT_TYPE_DURATION, AV_OPT_TYPE_COLOR, AV_OPT_TYPE_BOOL, AV_OPT_TYPE_CHLAYOUT, AV_OPT_TYPE_UINT, AV_OPT_TYPE_FLAG_ARRAY = (1 << 16) } |
| An option type determines: More... | |
| enum | { AV_OPT_FLAG_IMPLICIT_KEY = 1 } |
Functions | |
| void | av_opt_set_defaults (void *s) |
| Set the values of all AVOption fields to their default values. More... | |
| void | av_opt_set_defaults2 (void *s, int mask, int flags) |
| Set the values of all AVOption fields to their default values. More... | |
| void | av_opt_free (void *obj) |
| Free all allocated objects in obj. More... | |
| const AVOption * | av_opt_next (const void *obj, const AVOption *prev) |
| Iterate over all AVOptions belonging to obj. More... | |
| void * | av_opt_child_next (void *obj, void *prev) |
| Iterate over AVOptions-enabled children of obj. More... | |
| const AVClass * | av_opt_child_class_iterate (const AVClass *parent, void **iter) |
| Iterate over potential AVOptions-enabled children of parent. More... | |
| const AVOption * | av_opt_find (void *obj, const char *name, const char *unit, int opt_flags, int search_flags) |
| Look for an option in an object. More... | |
| const AVOption * | av_opt_find2 (void *obj, const char *name, const char *unit, int opt_flags, int search_flags, void **target_obj) |
| Look for an option in an object. More... | |
| int | av_opt_show2 (void *obj, void *av_log_obj, int req_flags, int rej_flags) |
| Show the obj options. More... | |
| int | av_opt_get_key_value (const char **ropts, const char *key_val_sep, const char *pairs_sep, unsigned flags, char **rkey, char **rval) |
| Extract a key-value pair from the beginning of a string. More... | |
| int | av_set_options_string (void *ctx, const char *opts, const char *key_val_sep, const char *pairs_sep) |
| Parse the key/value pairs list in opts. More... | |
| int | av_opt_set_from_string (void *ctx, const char *opts, const char *const *shorthand, const char *key_val_sep, const char *pairs_sep) |
| Parse the key-value pairs list in opts. More... | |
| int | av_opt_set_dict (void *obj, struct AVDictionary **options) |
| Set all the options from a given dictionary on an object. More... | |
| int | av_opt_set_dict2 (void *obj, struct AVDictionary **options, int search_flags) |
| Set all the options from a given dictionary on an object. More... | |
| int | av_opt_copy (void *dest, const void *src) |
| Copy options from src object into dest object. More... | |
| int | av_opt_set (void *obj, const char *name, const char *val, int search_flags) |
| int | av_opt_set_int (void *obj, const char *name, int64_t val, int search_flags) |
| int | av_opt_set_double (void *obj, const char *name, double val, int search_flags) |
| int | av_opt_set_q (void *obj, const char *name, AVRational val, int search_flags) |
| int | av_opt_set_bin (void *obj, const char *name, const uint8_t *val, int size, int search_flags) |
| int | av_opt_set_image_size (void *obj, const char *name, int w, int h, int search_flags) |
| int | av_opt_set_pixel_fmt (void *obj, const char *name, enum AVPixelFormat fmt, int search_flags) |
| 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_chlayout (void *obj, const char *name, const AVChannelLayout *layout, int search_flags) |
| int | av_opt_set_dict_val (void *obj, const char *name, const AVDictionary *val, int search_flags) |
| int | av_opt_set_array (void *obj, const char *name, int search_flags, unsigned int start_elem, unsigned int nb_elems, enum AVOptionType val_type, const void *val) |
| Add, replace, or remove elements for an array option. More... | |
| int | av_opt_get (void *obj, const char *name, int search_flags, uint8_t **out_val) |
| int | av_opt_get_int (void *obj, const char *name, int search_flags, int64_t *out_val) |
| int | av_opt_get_double (void *obj, const char *name, int search_flags, double *out_val) |
| int | av_opt_get_q (void *obj, const char *name, int search_flags, AVRational *out_val) |
| int | av_opt_get_image_size (void *obj, const char *name, int search_flags, int *w_out, int *h_out) |
| int | av_opt_get_pixel_fmt (void *obj, const char *name, int search_flags, enum AVPixelFormat *out_fmt) |
| 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_chlayout (void *obj, const char *name, int search_flags, AVChannelLayout *layout) |
| int | av_opt_get_dict_val (void *obj, const char *name, int search_flags, AVDictionary **out_val) |
| int | av_opt_get_array_size (void *obj, const char *name, int search_flags, unsigned int *out_val) |
| For an array-type option, get the number of elements in the array. More... | |
| int | av_opt_get_array (void *obj, const char *name, int search_flags, unsigned int start_elem, unsigned int nb_elems, enum AVOptionType out_type, void *out_val) |
| For an array-type option, retrieve the values of one or more array elements. More... | |
| int | av_opt_eval_flags (void *obj, const AVOption *o, const char *val, int *flags_out) |
| int | av_opt_eval_int (void *obj, const AVOption *o, const char *val, int *int_out) |
| int | av_opt_eval_uint (void *obj, const AVOption *o, const char *val, unsigned *uint_out) |
| int | av_opt_eval_int64 (void *obj, const AVOption *o, const char *val, int64_t *int64_out) |
| int | av_opt_eval_float (void *obj, const AVOption *o, const char *val, float *float_out) |
| int | av_opt_eval_double (void *obj, const AVOption *o, const char *val, double *double_out) |
| int | av_opt_eval_q (void *obj, const AVOption *o, const char *val, AVRational *q_out) |
| attribute_deprecated void * | av_opt_ptr (const AVClass *avclass, void *obj, const char *name) |
| Gets a pointer to the requested field in a struct. More... | |
| int | av_opt_is_set_to_default (void *obj, const AVOption *o) |
| Check if given option is set to its default value. More... | |
| int | av_opt_is_set_to_default_by_name (void *obj, const char *name, int search_flags) |
| Check if given option is set to its default value. More... | |
| int | av_opt_flag_is_set (void *obj, const char *field_name, const char *flag_name) |
| Check whether a particular flag is set in a flags field. More... | |
| int | av_opt_serialize (void *obj, int opt_flags, int flags, char **buffer, const char key_val_sep, const char pairs_sep) |
| Serialize object's options. More... | |
| void | av_opt_freep_ranges (AVOptionRanges **ranges) |
| Free an AVOptionRanges struct and set it to NULL. More... | |
| int | av_opt_query_ranges (AVOptionRanges **, void *obj, const char *key, int flags) |
| Get a list of allowed ranges for the given option. More... | |
| int | av_opt_query_ranges_default (AVOptionRanges **, void *obj, const char *key, int flags) |
| Get a default list of allowed ranges for the given option. More... | |
AVOptions
Definition in file opt.h.
1.8.17