VC2_TRANSFORMS_NB 1198 libavcodec/vc2enc.c {"wavelet_type", "Transform type", offsetof(VC2EncContext, wavelet_idx), AV_OPT_TYPE_INT, {.i64 = VC2_TRANSFORM_9_7}, 0, VC2_TRANSFORMS_NB, VC2ENC_FLAGS, "wavelet_idx"}, VC2_TRANSFORMS_NB 45 libavcodec/vc2enc_dwt.h void (*vc2_subband_dwt[VC2_TRANSFORMS_NB])(struct VC2TransformContext *t,