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opt.h
Package: tcpmp.rar [view]
Upload User: wstnjxml
Upload Date: 2014-04-03
Package Size: 7248k
Code Size: 2k
Category:
Windows CE
Development Platform:
C/C++
- #ifndef AVOPT_H
- #define AVOPT_H
- /**
- * @file opt.h
- * AVOptions
- */
- enum AVOptionType{
- FF_OPT_TYPE_FLAGS,
- FF_OPT_TYPE_INT,
- FF_OPT_TYPE_INT64,
- FF_OPT_TYPE_DOUBLE,
- FF_OPT_TYPE_FLOAT,
- FF_OPT_TYPE_STRING,
- FF_OPT_TYPE_RATIONAL,
- FF_OPT_TYPE_CONST=128,
- };
- /**
- * AVOption.
- */
- typedef struct AVOption {
- const char *name;
- /**
- * short English text help.
- * @fixme what about other languages
- */
- const char *help;
- 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
- #define AV_OPT_FLAG_METADATA 4 ///< some data extracted or inserted into the file like title, comment, ...
- #define AV_OPT_FLAG_AUDIO_PARAM 8
- #define AV_OPT_FLAG_VIDEO_PARAM 16
- #define AV_OPT_FLAG_SUBTITLE_PARAM 32
- //FIXME think about enc-audio, ... style flags
- const char *unit;
- } 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);
- int av_opt_show(void *obj, void *av_log_obj);
- #endif