Files
vpx/av1/common/scan.h
Yaowu Xu c27fc14b02 Port folder renaming changes from AOM
Manually cherry-picked commits:
ceef058 libvpx->libaom part2
3d26d91 libvpx -> libaom
cfea7dd vp10/ -> av1/
3a8eff7 Fix a build issue for a test
bf4202e Rename vpx to aom

Change-Id: I1b0eb5a40796e3aaf41c58984b4229a439a597dc
2016-08-31 17:26:24 -07:00

72 lines
2.0 KiB
C

/*
* Copyright (c) 2013 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VP10_COMMON_SCAN_H_
#define VP10_COMMON_SCAN_H_
#include "aom/vpx_integer.h"
#include "aom_ports/mem.h"
#include "av1/common/enums.h"
#include "av1/common/blockd.h"
#ifdef __cplusplus
extern "C" {
#endif
#define MAX_NEIGHBORS 2
typedef struct {
const int16_t *scan;
const int16_t *iscan;
const int16_t *neighbors;
} scan_order;
extern const scan_order vp10_default_scan_orders[TX_SIZES];
extern const scan_order vp10_intra_scan_orders[TX_SIZES][TX_TYPES];
static INLINE int get_coef_context(const int16_t *neighbors,
const uint8_t *token_cache, int c) {
return (1 + token_cache[neighbors[MAX_NEIGHBORS * c + 0]] +
token_cache[neighbors[MAX_NEIGHBORS * c + 1]]) >>
1;
}
static INLINE const scan_order *get_intra_scan(TX_SIZE tx_size,
TX_TYPE tx_type) {
return &vp10_intra_scan_orders[tx_size][tx_type];
}
#if CONFIG_EXT_TX
extern const scan_order vp10_inter_scan_orders[TX_SIZES_ALL][TX_TYPES];
static INLINE const scan_order *get_inter_scan(TX_SIZE tx_size,
TX_TYPE tx_type) {
return &vp10_inter_scan_orders[tx_size][tx_type];
}
#endif // CONFIG_EXT_TX
static INLINE const scan_order *get_scan(TX_SIZE tx_size, TX_TYPE tx_type,
int is_inter) {
#if CONFIG_EXT_TX
return is_inter ? &vp10_inter_scan_orders[tx_size][tx_type]
: &vp10_intra_scan_orders[tx_size][tx_type];
#else
(void)is_inter;
return &vp10_intra_scan_orders[tx_size][tx_type];
#endif // CONFIG_EXT_TX
}
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VP10_COMMON_SCAN_H_