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FFmpeg
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FFmpeg
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AVOptions. More...
#include "rational.h"#include "avutil.h"#include "dict.h"#include "log.h"#include "pixfmt.h"#include "samplefmt.h"#include "version.h"Go to the source code of this file.
Data Structures | |
| 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 |
| a generic parameter which can be set by the user for muxing or encoding More... | |
| #define | AV_OPT_FLAG_DECODING_PARAM 2 |
| a generic parameter which can be set by the user for demuxing or decoding More... | |
| #define | AV_OPT_FLAG_METADATA 4 |
| some data extracted or inserted into the file like title, comment, ... More... | |
| #define | AV_OPT_FLAG_AUDIO_PARAM 8 |
| #define | AV_OPT_FLAG_VIDEO_PARAM 16 |
| #define | AV_OPT_FLAG_SUBTITLE_PARAM 32 |
| #define | AV_OPT_FLAG_EXPORT 64 |
| The option is inteded for exporting values to the caller. More... | |
| #define | AV_OPT_FLAG_READONLY 128 |
| The option may not be set through the AVOptions API, only read. 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_SEARCH_CHILDREN 0x0001 |
| Search in possible children of the given object first. More... | |
| #define | AV_OPT_SEARCH_FAKE_OBJ 0x0002 |
| 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_MULTI_COMPONENT_RANGE 0x1000 |
| 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... | |
Enumerations | |
| enum | AVOptionType { AV_OPT_TYPE_FLAGS, 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_CONST = 128, AV_OPT_TYPE_IMAGE_SIZE = MKBETAG('S','I','Z','E'), AV_OPT_TYPE_PIXEL_FMT = MKBETAG('P','F','M','T'), AV_OPT_TYPE_SAMPLE_FMT = MKBETAG('S','F','M','T'), AV_OPT_TYPE_VIDEO_RATE = MKBETAG('V','R','A','T'), AV_OPT_TYPE_DURATION = MKBETAG('D','U','R',' '), AV_OPT_TYPE_COLOR = MKBETAG('C','O','L','R'), AV_OPT_TYPE_CHANNEL_LAYOUT = MKBETAG('C','H','L','A'), FF_OPT_TYPE_FLAGS = 0, FF_OPT_TYPE_INT, FF_OPT_TYPE_INT64, FF_OPT_TYPE_DOUBLE, FF_OPT_TYPE_FLOAT, FF_OPT_TYPE_STRING, FF_OPT_TYPE_RATIONAL, FF_OPT_TYPE_BINARY, FF_OPT_TYPE_CONST =128 } |
| enum | { AV_OPT_FLAG_IMPLICIT_KEY = 1 } |
Functions | |
| attribute_deprecated int | av_set_string3 (void *obj, const char *name, const char *val, int alloc, const AVOption **o_out) |
| Set the field of obj with the given name to value. More... | |
| attribute_deprecated const AVOption * | av_set_double (void *obj, const char *name, double n) |
| attribute_deprecated const AVOption * | av_set_q (void *obj, const char *name, AVRational n) |
| attribute_deprecated const AVOption * | av_set_int (void *obj, const char *name, int64_t n) |
| attribute_deprecated double | av_get_double (void *obj, const char *name, const AVOption **o_out) |
| attribute_deprecated AVRational | av_get_q (void *obj, const char *name, const AVOption **o_out) |
| attribute_deprecated int64_t | av_get_int (void *obj, const char *name, const AVOption **o_out) |
| attribute_deprecated const char * | av_get_string (void *obj, const char *name, const AVOption **o_out, char *buf, int buf_len) |
| attribute_deprecated const AVOption * | av_next_option (FF_CONST_AVUTIL55 void *obj, const AVOption *last) |
| int | av_opt_show2 (void *obj, void *av_log_obj, int req_flags, int rej_flags) |
| Show the obj options. More... | |
| 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... | |
| 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... | |
| void | av_opt_free (void *obj) |
| Free all allocated objects in obj. 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_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_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_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_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) |
| 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... | |
| const AVOption * | av_opt_next (FF_CONST_AVUTIL55 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_next (const AVClass *parent, const AVClass *prev) |
| Iterate over potential AVOptions-enabled children of parent. 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_channel_layout (void *obj, const char *name, int64_t ch_layout, int search_flags) |
| int | av_opt_set_dict_val (void *obj, const char *name, const AVDictionary *val, int search_flags) |
| 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_channel_layout (void *obj, const char *name, int search_flags, int64_t *ch_layout) |
| int | av_opt_get_dict_val (void *obj, const char *name, int search_flags, AVDictionary **out_val) |
| void * | av_opt_ptr (const AVClass *avclass, void *obj, const char *name) |
| Gets a pointer to the requested field in a struct. 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_copy (void *dest, FF_CONST_AVUTIL55 void *src) |
| Copy options from src object into dest object. 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... | |
| 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_serialize (void *obj, int opt_flags, int flags, char **buffer, const char key_val_sep, const char pairs_sep) |
| Serialize object's options. More... | |
AVOptions.
Definition in file opt.h.
| #define AV_OPT_FLAG_ENCODING_PARAM 1 |
a generic parameter which can be set by the user for muxing or encoding
Definition at line 285 of file opt.h.
Referenced by ffm_write_header_codec_private_ctx(), ffserver_save_avoption(), filter_codec_opts(), open_output_file(), opt_list(), print_codec(), print_option(), show_help_default(), and show_help_muxer().
| #define AV_OPT_FLAG_DECODING_PARAM 2 |
a generic parameter which can be set by the user for demuxing or decoding
Definition at line 286 of file opt.h.
Referenced by filter_codec_opts(), open_input_file(), opt_list(), PCMDEF(), print_codec(), show_help_default(), and show_help_demuxer().
| #define AV_OPT_FLAG_METADATA 4 |
| #define AV_OPT_FLAG_AUDIO_PARAM 8 |
Definition at line 290 of file opt.h.
Referenced by avcodec_get_context_defaults3(), ffm_write_header(), ffserver_opt_preset(), ffserver_parse_config_stream(), ffserver_save_avoption(), filter_codec_opts(), opt_list(), and show_help_default().
| #define AV_OPT_FLAG_VIDEO_PARAM 16 |
Definition at line 291 of file opt.h.
Referenced by avcodec_get_context_defaults3(), ffm_write_header(), ffserver_opt_preset(), ffserver_parse_config_stream(), ffserver_save_avoption(), filter_codec_opts(), opt_list(), and show_help_default().
| #define AV_OPT_FLAG_SUBTITLE_PARAM 32 |
Definition at line 292 of file opt.h.
Referenced by avcodec_get_context_defaults3(), filter_codec_opts(), and opt_list().
| #define AV_OPT_FLAG_EXPORT 64 |
The option is inteded for exporting values to the caller.
Definition at line 296 of file opt.h.
Referenced by opt_list().
| #define AV_OPT_FLAG_READONLY 128 |
The option may not be set through the AVOptions API, only read.
This flag only makes sense when AV_OPT_FLAG_EXPORT is also set.
Definition at line 301 of file opt.h.
Referenced by av_opt_set(), av_opt_set_bin(), av_opt_set_defaults2(), av_opt_set_dict_val(), opt_list(), and set_number().
| #define AV_OPT_FLAG_FILTERING_PARAM (1<<16) |
a generic parameter which can be set by the user for filtering
Definition at line 302 of file opt.h.
Referenced by opt_list(), and show_help_default().
1.8.6