| /* |
| * 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_RESIZE_H_ |
| #define AOM_AV1_COMMON_RESIZE_H_ |
| |
| #include <stdio.h> |
| #include "aom/aom_integer.h" |
| #include "av1/common/av1_common_int.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| void av1_resize_plane(const uint8_t *const input, int height, int width, |
| int in_stride, uint8_t *output, int height2, int width2, |
| int out_stride); |
| void av1_upscale_plane_double_prec(const double *const input, int height, |
| int width, int in_stride, double *output, |
| int height2, int width2, int out_stride); |
| void av1_resize_frame420(const uint8_t *const y, int y_stride, |
| const uint8_t *const u, const uint8_t *const v, |
| int uv_stride, int height, int width, uint8_t *oy, |
| int oy_stride, uint8_t *ou, uint8_t *ov, |
| int ouv_stride, int oheight, int owidth); |
| void av1_resize_frame422(const uint8_t *const y, int y_stride, |
| const uint8_t *const u, const uint8_t *const v, |
| int uv_stride, int height, int width, uint8_t *oy, |
| int oy_stride, uint8_t *ou, uint8_t *ov, |
| int ouv_stride, int oheight, int owidth); |
| void av1_resize_frame444(const uint8_t *const y, int y_stride, |
| const uint8_t *const u, const uint8_t *const v, |
| int uv_stride, int height, int width, uint8_t *oy, |
| int oy_stride, uint8_t *ou, uint8_t *ov, |
| int ouv_stride, int oheight, int owidth); |
| |
| void av1_highbd_resize_plane(const uint8_t *const input, int height, int width, |
| int in_stride, uint8_t *output, int height2, |
| int width2, int out_stride, int bd); |
| void av1_highbd_resize_frame420(const uint8_t *const y, int y_stride, |
| const uint8_t *const u, const uint8_t *const v, |
| int uv_stride, int height, int width, |
| uint8_t *oy, int oy_stride, uint8_t *ou, |
| uint8_t *ov, int ouv_stride, int oheight, |
| int owidth, int bd); |
| void av1_highbd_resize_frame422(const uint8_t *const y, int y_stride, |
| const uint8_t *const u, const uint8_t *const v, |
| int uv_stride, int height, int width, |
| uint8_t *oy, int oy_stride, uint8_t *ou, |
| uint8_t *ov, int ouv_stride, int oheight, |
| int owidth, int bd); |
| void av1_highbd_resize_frame444(const uint8_t *const y, int y_stride, |
| const uint8_t *const u, const uint8_t *const v, |
| int uv_stride, int height, int width, |
| uint8_t *oy, int oy_stride, uint8_t *ou, |
| uint8_t *ov, int ouv_stride, int oheight, |
| int owidth, int bd); |
| |
| void av1_upscale_normative_rows(const AV1_COMMON *cm, const uint8_t *src, |
| int src_stride, uint8_t *dst, int dst_stride, |
| int plane, int rows); |
| void av1_upscale_normative_and_extend_frame(const AV1_COMMON *cm, |
| const YV12_BUFFER_CONFIG *src, |
| YV12_BUFFER_CONFIG *dst); |
| |
| YV12_BUFFER_CONFIG *av1_scale_if_required( |
| AV1_COMMON *cm, YV12_BUFFER_CONFIG *unscaled, YV12_BUFFER_CONFIG *scaled, |
| const InterpFilter filter, const int phase, const bool use_optimized_scaler, |
| const bool for_psnr); |
| |
| void av1_resize_and_extend_frame_nonnormative(const YV12_BUFFER_CONFIG *src, |
| YV12_BUFFER_CONFIG *dst, int bd, |
| const int num_planes); |
| |
| // Calculates the scaled dimensions from the given original dimensions and the |
| // resize scale denominator. |
| void av1_calculate_scaled_size(int *width, int *height, int resize_denom); |
| |
| // Similar to above, but calculates scaled dimensions after superres from the |
| // given original dimensions and superres scale denominator. |
| void av1_calculate_scaled_superres_size(int *width, int *height, |
| int superres_denom); |
| |
| // Inverse of av1_calculate_scaled_superres_size() above: calculates the |
| // original dimensions from the given scaled dimensions and the scale |
| // denominator. |
| void av1_calculate_unscaled_superres_size(int *width, int *height, int denom); |
| |
| void av1_superres_upscale(AV1_COMMON *cm, BufferPool *const pool); |
| |
| // Returns 1 if a superres upscaled frame is scaled and 0 otherwise. |
| static INLINE int av1_superres_scaled(const AV1_COMMON *cm) { |
| // Note: for some corner cases (e.g. cm->width of 1), there may be no scaling |
| // required even though cm->superres_scale_denominator != SCALE_NUMERATOR. |
| // So, the following check is more accurate. |
| return !(cm->width == cm->superres_upscaled_width); |
| } |
| |
| #define UPSCALE_NORMATIVE_TAPS 8 |
| extern const int16_t av1_resize_filter_normative[1 << RS_SUBPEL_BITS] |
| [UPSCALE_NORMATIVE_TAPS]; |
| |
| int32_t av1_get_upscale_convolve_step(int in_length, int out_length); |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // AOM_AV1_COMMON_RESIZE_H_ |