2905 typedef struct AVCodec {  struct
2919     enum AVCodecID id;  argument
2942     struct AVCodec *next;  argument
2952     int (*init_thread_copy)(AVCodecContext *);  argument
2960     int (*update_thread_context)(AVCodecContext *dst, const AVCodecContext *src);  argument
2966     const AVCodecDefault *defaults;  argument
2971     void (*init_static_data)(struct AVCodec *codec);  argument
2973     int (*init)(AVCodecContext *);  argument
2974     int (*encode_sub)(AVCodecContext *, uint8_t *buf, int buf_size,  argument
2986     int (*encode2)(AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame,  argument
2988     int (*decode)(AVCodecContext *, void *outdata, int *outdata_size, AVPacket *avpkt);  argument
2989     int (*close)(AVCodecContext *);  argument
2994     void (*flush)(AVCodecContext *);  argument
2995 } AVCodec;  typedef