Defined in avcodec.h
/** * AVCodec. */ typedef struct AVCodec { /** * Name of the codec implementation. * The name is globally unique among encoders and among decoders (but an * encoder and a decoder can share the same name). * This is the primary way to find a codec from the user perspective. */ const char *name; enum CodecType type; enum CodecID id; int priv_data_size; int (*init)(AVCodecContext *); int (*encode)(AVCodecContext *, uint8_t *buf, int buf_size, void *data); int (*close)(AVCodecContext *); int (*decode)(AVCodecContext *, void *outdata, int *outdata_size, uint8_t *buf, int buf_size); int capabilities; struct AVCodec *next; void (*flush)(AVCodecContext *); const AVRational *supported_framerates; ///array of supported framerates, or NULL if any, array is terminated by {0,0} const enum PixelFormat *pix_fmts; ///array of supported pixel formats, or NULL if unknown, array is terminanted by -1 } AVCodec;