Proper check for --help and -h parameters

[ffmpeg] / libavcodec / opt.h

diff --git a/libavcodec/opt.h b/libavcodec/opt.h
index c84db00fed7e11b2adea028b1d1a7f948368f9e7..b79f462660362909fa0f4f2d80dba3ab203a062d 100644 (file)
--- a/libavcodec/opt.h
+++ b/libavcodec/opt.h
@@ -1,3 +1,24 @@
+/*
+ * AVOptions
+ * copyright (c) 2005 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
 #ifndef AVOPT_H
 #define AVOPT_H
 
@@ -6,6 +27,8 @@
  * AVOptions
  */
 
+#include "rational.h"
+
 enum AVOptionType{
     FF_OPT_TYPE_FLAGS,
     FF_OPT_TYPE_INT,
@@ -25,16 +48,16 @@ typedef struct AVOption {
 
     /**
      * short English text help.
-     * @fixme what about other languages
+     * @todo what about other languages
      */
     const char *help;
-    int offset;             ///< offset to context structure where the parsed value should be stored 
+    int offset;             ///< offset to context structure where the parsed value should be stored
     enum AVOptionType type;
-    
+
     double default_val;
     double min;
     double max;
-    
+
     int flags;
 #define AV_OPT_FLAG_ENCODING_PARAM  1   ///< a generic parameter which can be set by the user for muxing or encoding
 #define AV_OPT_FLAG_DECODING_PARAM  2   ///< a generic parameter which can be set by the user for demuxing or decoding
@@ -47,15 +70,18 @@ typedef struct AVOption {
 } AVOption;
 
 
-AVOption *av_set_string(void *obj, const char *name, const char *val);
-AVOption *av_set_double(void *obj, const char *name, double n);
-AVOption *av_set_q(void *obj, const char *name, AVRational n);
-AVOption *av_set_int(void *obj, const char *name, int64_t n);
-double av_get_double(void *obj, const char *name, AVOption **o_out);
-AVRational av_get_q(void *obj, const char *name, AVOption **o_out);
-int64_t av_get_int(void *obj, const char *name, AVOption **o_out);
-const char *av_get_string(void *obj, const char *name, AVOption **o_out, char *buf, int buf_len);
-AVOption *av_next_option(void *obj, AVOption *last);
+const AVOption *av_find_opt(void *obj, const char *name, const char *unit, int mask, int flags);
+const AVOption *av_set_string(void *obj, const char *name, const char *val);
+const AVOption *av_set_double(void *obj, const char *name, double n);
+const AVOption *av_set_q(void *obj, const char *name, AVRational n);
+const AVOption *av_set_int(void *obj, const char *name, int64_t n);
+double av_get_double(void *obj, const char *name, const AVOption **o_out);
+AVRational av_get_q(void *obj, const char *name, const AVOption **o_out);
+int64_t av_get_int(void *obj, const char *name, const AVOption **o_out);
+const char *av_get_string(void *obj, const char *name, const AVOption **o_out, char *buf, int buf_len);
+const AVOption *av_next_option(void *obj, const AVOption *last);
 int av_opt_show(void *obj, void *av_log_obj);
+void av_opt_set_defaults(void *s);
+void av_opt_set_defaults2(void *s, int mask, int flags);
 
 #endif