Add M_SQRT2 to the constants in mathematics.h.

[ffmpeg] / cmdutils.h

diff --git a/cmdutils.h b/cmdutils.h
index a71677a22de3c3a045ea2d3afc2895ffe79d1e5a..ad8cefdeee0cf175d42145ea89f9128fd1bc064b 100644 (file)
--- a/cmdutils.h
+++ b/cmdutils.h
@@ -40,7 +40,7 @@ extern const int program_birth_year;
 extern const int this_year;
 
 extern const char **opt_names;
-extern AVCodecContext *avcodec_opts[CODEC_TYPE_NB];
+extern AVCodecContext *avcodec_opts[AVMEDIA_TYPE_NB];
 extern AVFormatContext *avformat_opts;
 extern struct SwsContext *sws_opts;
 
@@ -50,6 +50,16 @@ extern struct SwsContext *sws_opts;
  */
 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
@@ -126,6 +136,8 @@ void set_context_opts(void *ctx, void *opts_ctx, int flags);
 
 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
@@ -152,10 +164,51 @@ void show_license(void);
  */
 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 */