#define FFMPEG_CMDUTILS_H
#include <inttypes.h>
+#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[AVMEDIA_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);
+
+/**
+ * Limit the execution time.
+ */
+int opt_timelimit(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
* @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 \p timestr, if
- * not zero \p timestr is interpreted as a duration, otherwise as a
+ * @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()
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);
+
+/**
+ * Prints an error message to stderr, indicating filename and a human
+ * readable description of the error code err.
+ *
+ * If strerror_r() is not available the use of this function in a
+ * multithreaded application may be unsafe.
+ *
+ * @see av_strerror()
+ */
void print_error(const char *filename, int err);
+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.
- * @param program_name name of the program
- * @param program_birth_year year of birth of the program
*/
-void show_banner(const char *program_name, int program_birth_year);
+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.
- * @param program_name name of the program
*/
void show_version(void);
*/
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);
+
+/**
+ * Prints a listing containing all the pixel formats supported by the
+ * program.
+ */
+void show_pix_fmts(void);
+
+/**
+ * Returns a positive value if reads from standard input a line
+ * starting with [yY], otherwise returns 0.
+ */
+int read_yesno(void);
+
+/**
+ * Reads the file with name filename, and puts its content in a newly
+ * allocated 0-terminated buffer.
+ *
+ * @param bufptr puts here the pointer to the newly allocated buffer
+ * @param size puts here the size of the newly allocated buffer
+ * @return 0 in case of success, a negative value corresponding to an
+ * AVERROR error code in case of failure.
+ */
+int read_file(const char *filename, char **bufptr, size_t *size);
+
#endif /* FFMPEG_CMDUTILS_H */