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Diffstat (limited to 'media/libaom/src/av1/common/cdef.h')
-rw-r--r-- | media/libaom/src/av1/common/cdef.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/media/libaom/src/av1/common/cdef.h b/media/libaom/src/av1/common/cdef.h new file mode 100644 index 000000000..3b2eac8a5 --- /dev/null +++ b/media/libaom/src/av1/common/cdef.h @@ -0,0 +1,51 @@ +/* + * Copyright (c) 2016, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ +#ifndef AOM_AV1_COMMON_CDEF_H_ +#define AOM_AV1_COMMON_CDEF_H_ + +#define CDEF_STRENGTH_BITS 6 + +#define CDEF_PRI_STRENGTHS 16 +#define CDEF_SEC_STRENGTHS 4 + +#include "config/aom_config.h" + +#include "aom/aom_integer.h" +#include "aom_ports/mem.h" +#include "av1/common/cdef_block.h" +#include "av1/common/onyxc_int.h" + +static INLINE int sign(int i) { return i < 0 ? -1 : 1; } + +static INLINE int constrain(int diff, int threshold, int damping) { + if (!threshold) return 0; + + const int shift = AOMMAX(0, damping - get_msb(threshold)); + return sign(diff) * + AOMMIN(abs(diff), AOMMAX(0, threshold - (abs(diff) >> shift))); +} + +#ifdef __cplusplus +extern "C" { +#endif + +int sb_all_skip(const AV1_COMMON *const cm, int mi_row, int mi_col); +int sb_compute_cdef_list(const AV1_COMMON *const cm, int mi_row, int mi_col, + cdef_list *dlist, BLOCK_SIZE bsize); +void av1_cdef_frame(YV12_BUFFER_CONFIG *frame, AV1_COMMON *cm, MACROBLOCKD *xd); + +void av1_cdef_search(YV12_BUFFER_CONFIG *frame, const YV12_BUFFER_CONFIG *ref, + AV1_COMMON *cm, MACROBLOCKD *xd, int fast); + +#ifdef __cplusplus +} // extern "C" +#endif +#endif // AOM_AV1_COMMON_CDEF_H_ |