static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data){
CLJRContext * const a = avctx->priv_data;
AVFrame *pict = data;
AVFrame * const p= (AVFrame*)&a->picture;
int size;
static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data){
CLJRContext * const a = avctx->priv_data;
AVFrame *pict = data;
AVFrame * const p= (AVFrame*)&a->picture;
int size;