X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=cmdutils.h;h=40bdea36d1e9e17bbdfc135fbd24c97d0f4862cb;hb=1f15747fc9650e6ee338c1e037f475eadd29c0be;hp=eb94058888ec066ae2025ee7dbebfa9bfb2412b3;hpb=60a9966e4d96ca26ceabdaf99eacfb0872c4e931;p=ffmpeg diff --git a/cmdutils.h b/cmdutils.h index eb94058888e..40bdea36d1e 100644 --- a/cmdutils.h +++ b/cmdutils.h @@ -19,8 +19,72 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ -#ifndef _CMD_UTILS_H -#define _CMD_UTILS_H +#ifndef FFMPEG_CMDUTILS_H +#define FFMPEG_CMDUTILS_H + +#include +#include "libavcodec/avcodec.h" +#include "libavformat/avformat.h" +#include "libswscale/swscale.h" + +/** + * program name, defined by the program for show_version(). + */ +extern const char program_name[]; + +/** + * program birth year, defined by the program for show_banner() + */ +extern const int program_birth_year; + +extern const int this_year; + +extern const char **opt_names; +extern AVCodecContext *avcodec_opts[CODEC_TYPE_NB]; +extern AVFormatContext *avformat_opts; +extern struct SwsContext *sws_opts; + +/** + * Fallback for options that are not explicitly handled, these will be + * parsed through AVOptions. + */ +int opt_default(const char *opt, const char *arg); + +/** + * Sets the libav* libraries log level. + */ +int opt_loglevel(const char *opt, const char *arg); + +/** + * Parses a string and returns its corresponding value as a double. + * Exits from the application if the string cannot be correctly + * parsed or the corresponding value is invalid. + * + * @param context the context of the value to be set (e.g. the + * corresponding commandline option name) + * @param numstr the string to be parsed + * @param type the type (OPT_INT64 or OPT_FLOAT) as which the + * string should be parsed + * @param min the minimum valid accepted value + * @param max the maximum valid accepted value + */ +double parse_number_or_die(const char *context, const char *numstr, int type, double min, double max); + +/** + * Parses a string specifying a time and returns its corresponding + * value as a number of microseconds. Exits from the application if + * the string cannot be correctly parsed. + * + * @param context the context of the value to be set (e.g. the + * corresponding commandline option name) + * @param timestr the string to be parsed + * @param is_duration a flag which tells how to interpret timestr, if + * not zero timestr is interpreted as a duration, otherwise as a + * date + * + * @see parse_date() + */ +int64_t parse_time_or_die(const char *context, const char *timestr, int is_duration); typedef struct { const char *name; @@ -37,6 +101,7 @@ typedef struct { #define OPT_SUBTITLE 0x0200 #define OPT_FUNC2 0x0400 #define OPT_INT64 0x0800 +#define OPT_EXIT 0x1000 union { void (*func_arg)(const char *); //FIXME passing error code as int return would be nicer then exit() in the func int *int_arg; @@ -62,6 +127,66 @@ void show_help_options(const OptionDef *options, const char *msg, int mask, int void parse_options(int argc, char **argv, const OptionDef *options, void (* parse_arg_function)(const char*)); +void set_context_opts(void *ctx, void *opts_ctx, int flags); + void print_error(const char *filename, int err); -#endif /* _CMD_UTILS_H */ +void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts); + +/** + * Prints the program banner to stderr. The banner contents depend on the + * current version of the repository and of the libav* libraries used by + * the program. + */ +void show_banner(void); + +/** + * Prints the version of the program to stdout. The version message + * depends on the current versions of the repository and of the libav* + * libraries. + */ +void show_version(void); + +/** + * Prints the license of the program to stdout. The license depends on + * the license of the libraries compiled into the program. + */ +void show_license(void); + +/** + * Prints a listing containing all the formats supported by the + * program. + */ +void show_formats(void); + +/** + * Prints a listing containing all the codecs supported by the + * program. + */ +void show_codecs(void); + +/** + * Prints a listing containing all the filters supported by the + * program. + */ +void show_filters(void); + +/** + * Prints a listing containing all the bit stream filters supported by the + * program. + */ +void show_bsfs(void); + +/** + * Prints a listing containing all the protocols supported by the + * program. + */ +void show_protocols(void); + +/** + * Returns a positive value if reads from standard input a line + * starting with [yY], otherwise returns 0. + */ +int read_yesno(void); + +#endif /* FFMPEG_CMDUTILS_H */