356 typedef struct VpuCodecContext {  struct
357     void* vpuApiObj;
381      * Allocate and initialize an VpuCodecContext.  argument
392     RK_S32 (*init)(struct VpuCodecContext *ctx, RK_U8 *extraData, RK_U32 extra_size);  argument
401     RK_S32 (*decode)(struct VpuCodecContext *ctx, VideoPacket_t *pkt, DecoderOut_t *aDecOut);  argument
410 …RK_S32 (*encode)(struct VpuCodecContext *ctx, EncInputStream_t *aEncInStrm, EncoderOut_t *aEncOut);  argument
416     RK_S32 (*flush)(struct VpuCodecContext *ctx);  argument
417     RK_S32 (*control)(struct VpuCodecContext *ctx, VPU_API_CMD cmdType, void* param);  argument
424     RK_S32 (*decode_sendstream)(struct VpuCodecContext *ctx, VideoPacket_t *pkt);  argument
431     RK_S32 (*decode_getframe)(struct VpuCodecContext *ctx, DecoderOut_t *aDecOut);  argument
438     RK_S32 (*encoder_sendframe)(struct VpuCodecContext *ctx, EncInputStream_t *aEncInStrm);  argument
445     RK_S32 (*encoder_getstream)(struct VpuCodecContext *ctx, EncoderOut_t *aEncOut);  argument