diff options
Diffstat (limited to 'ffmpeg/libavutil/opt.h')
| -rw-r--r-- | ffmpeg/libavutil/opt.h | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/ffmpeg/libavutil/opt.h b/ffmpeg/libavutil/opt.h index 30f729e..14faa6e 100644 --- a/ffmpeg/libavutil/opt.h +++ b/ffmpeg/libavutil/opt.h @@ -64,7 +64,7 @@ * int bin_len; * } test_struct; * - * static const AVOption options[] = { + * static const AVOption test_options[] = { * { "test_int", "This is a test option of int type.", offsetof(test_struct, int_opt), * AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX }, * { "test_str", "This is a test option of string type.", offsetof(test_struct, str_opt), @@ -77,7 +77,7 @@ * static const AVClass test_class = { * .class_name = "test class", * .item_name = av_default_item_name, - * .option = options, + * .option = test_options, * .version = LIBAVUTIL_VERSION_INT, * }; * @endcode @@ -163,7 +163,7 @@ * * @subsection avoptions_implement_named_constants Named constants * It is possible to create named constants for options. Simply set the unit - * field of the option the constants should apply to to a string and + * field of the option the constants should apply to a string and * create the constants themselves as options of type AV_OPT_TYPE_CONST * with their unit field set to the same string. * Their default_val field should contain the value of the named @@ -232,6 +232,8 @@ enum AVOptionType{ AV_OPT_TYPE_SAMPLE_FMT = MKBETAG('S','F','M','T'), AV_OPT_TYPE_VIDEO_RATE = MKBETAG('V','R','A','T'), ///< offset must point to AVRational 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'), #if FF_API_OLD_AVOPTIONS FF_OPT_TYPE_FLAGS = 0, FF_OPT_TYPE_INT, @@ -318,7 +320,7 @@ typedef struct AVOptionRanges { /** * Look for an option in obj. Look 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). + * 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 @@ -656,6 +658,23 @@ int av_opt_set_image_size(void *obj, const char *name, int w, int h, int search_ 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); + +/** + * Set a binary option to an integer list. + * + * @param obj AVClass object to set options on + * @param name name of the binary option + * @param val pointer to an integer list (must have the correct type with + * regard to the contents of the list) + * @param term list terminator (usually 0 or -1) + * @param flags search flags + */ +#define av_opt_set_int_list(obj, name, val, term, flags) \ + (av_int_list_length(val, term) > INT_MAX / sizeof(*(val)) ? \ + AVERROR(EINVAL) : \ + av_opt_set_bin(obj, name, (const uint8_t *)(val), \ + av_int_list_length(val, term) * sizeof(*(val)), flags)) /** * @} */ @@ -670,10 +689,10 @@ int av_opt_set_video_rate(void *obj, const char *name, AVRational val, int searc * @param[in] search_flags flags passed to av_opt_find2. I.e. if AV_OPT_SEARCH_CHILDREN * is passed here, then the option may be found in a child of obj. * @param[out] out_val value of the option will be written here - * @return 0 on success, a negative error code otherwise + * @return >=0 on success, a negative error code otherwise */ /** - * @note the returned string will av_malloc()ed and must be av_free()ed by the caller + * @note the returned string will be av_malloc()ed and must be av_free()ed by the caller */ 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); @@ -683,6 +702,7 @@ int av_opt_get_image_size(void *obj, const char *name, int search_flags, int *w_ 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); /** * @} */ |