From 569ca37d09d5ae4e6eb47f110cc33805a09df7af Mon Sep 17 00:00:00 2001 From: Dmitry Kovalev Date: Mon, 19 Aug 2013 16:44:10 -0700 Subject: Moving plane_block_idx from vp9_blockd.h to vp9_quantize.c. Change-Id: Ib8af21f2e7f603c2fb407e5d15a3bba64b545b49 --- vp9/encoder/vp9_quantize.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'vp9/encoder/vp9_quantize.c') diff --git a/vp9/encoder/vp9_quantize.c b/vp9/encoder/vp9_quantize.c index 15f34a8eb..02c068552 100644 --- a/vp9/encoder/vp9_quantize.c +++ b/vp9/encoder/vp9_quantize.c @@ -152,6 +152,32 @@ void vp9_quantize_b_32x32_c(int16_t *coeff_ptr, intptr_t n_coeffs, *eob_ptr = eob + 1; } +struct plane_block_idx { + int plane; + int block; +}; + +// TODO(jkoleszar): returning a struct so it can be used in a const context, +// expect to refactor this further later. +static INLINE struct plane_block_idx plane_block_idx(int y_blocks, + int b_idx) { + const int v_offset = y_blocks * 5 / 4; + struct plane_block_idx res; + + if (b_idx < y_blocks) { + res.plane = 0; + res.block = b_idx; + } else if (b_idx < v_offset) { + res.plane = 1; + res.block = b_idx - y_blocks; + } else { + assert(b_idx < y_blocks * 3 / 2); + res.plane = 2; + res.block = b_idx - v_offset; + } + return res; +} + void vp9_regular_quantize_b_4x4(MACROBLOCK *mb, int b_idx, TX_TYPE tx_type, int y_blocks) { MACROBLOCKD *const xd = &mb->e_mbd; -- cgit v1.2.3