发布时间：2014-07-30 11:22:21
AVClass 和 AVOption先看它们的定义/** * Describe the class of an AVClass context structure. That is an * arbitrary struct of which the first field is a pointer to an * AVClass struct (e.g. AVCodecContext, AVFormatContext etc.). */typedef struct AVClass { /.........【阅读全文】
发布时间：2014-07-29 15:15:11
struct AVDictionary av字典#define AV_DICT_MATCH_CASE 1#define AV_DICT_IGNORE_SUFFIX 2#define AV_DICT_DONT_STRDUP_KEY 4 /**< Take ownership of a key that's been &nb.........【阅读全文】
