diff options
Diffstat (limited to 'third_party/aom/aom_scale/generic/gen_scalers.c')
| -rw-r--r-- | third_party/aom/aom_scale/generic/gen_scalers.c | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/third_party/aom/aom_scale/generic/gen_scalers.c b/third_party/aom/aom_scale/generic/gen_scalers.c deleted file mode 100644 index 549e2aa69..000000000 --- a/third_party/aom/aom_scale/generic/gen_scalers.c +++ /dev/null @@ -1,201 +0,0 @@ -/* - * 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. - */ - -#include "config/aom_scale_rtcd.h" - -#include "aom_scale/aom_scale.h" -#include "aom_mem/aom_mem.h" -/**************************************************************************** - * Imports - ****************************************************************************/ - -/**************************************************************************** - * - * - * INPUTS : const unsigned char *source : Pointer to source data. - * unsigned int source_width : Stride of source. - * unsigned char *dest : Pointer to destination data. - * unsigned int dest_width : Stride of destination - * (NOT USED). - * - * OUTPUTS : None. - * - * RETURNS : void - * - * FUNCTION : Copies horizontal line of pixels from source to - * destination scaling up by 4 to 5. - * - * SPECIAL NOTES : None. - * - ****************************************************************************/ -void aom_horizontal_line_5_4_scale_c(const unsigned char *source, - unsigned int source_width, - unsigned char *dest, - unsigned int dest_width) { - const unsigned char *const source_end = source + source_width; - (void)dest_width; - - while (source < source_end) { - const unsigned int a = source[0]; - const unsigned int b = source[1]; - const unsigned int c = source[2]; - const unsigned int d = source[3]; - const unsigned int e = source[4]; - - dest[0] = (unsigned char)a; - dest[1] = (unsigned char)((b * 192 + c * 64 + 128) >> 8); - dest[2] = (unsigned char)((c * 128 + d * 128 + 128) >> 8); - dest[3] = (unsigned char)((d * 64 + e * 192 + 128) >> 8); - - source += 5; - dest += 4; - } -} - -void aom_vertical_band_5_4_scale_c(unsigned char *source, int src_pitch, - unsigned char *dest, int dest_pitch, - unsigned int dest_width) { - const unsigned char *const dest_end = dest + dest_width; - while (dest < dest_end) { - const unsigned int a = source[0 * src_pitch]; - const unsigned int b = source[1 * src_pitch]; - const unsigned int c = source[2 * src_pitch]; - const unsigned int d = source[3 * src_pitch]; - const unsigned int e = source[4 * src_pitch]; - - dest[0 * dest_pitch] = (unsigned char)a; - dest[1 * dest_pitch] = (unsigned char)((b * 192 + c * 64 + 128) >> 8); - dest[2 * dest_pitch] = (unsigned char)((c * 128 + d * 128 + 128) >> 8); - dest[3 * dest_pitch] = (unsigned char)((d * 64 + e * 192 + 128) >> 8); - - ++source; - ++dest; - } -} - -/*7*************************************************************************** - * - * ROUTINE : aom_horizontal_line_3_5_scale_c - * - * INPUTS : const unsigned char *source : Pointer to source data. - * unsigned int source_width : Stride of source. - * unsigned char *dest : Pointer to destination data. - * unsigned int dest_width : Stride of destination - * (NOT USED). - * - * OUTPUTS : None. - * - * RETURNS : void - * - * FUNCTION : Copies horizontal line of pixels from source to - * destination scaling up by 3 to 5. - * - * SPECIAL NOTES : None. - * - * - ****************************************************************************/ -void aom_horizontal_line_5_3_scale_c(const unsigned char *source, - unsigned int source_width, - unsigned char *dest, - unsigned int dest_width) { - const unsigned char *const source_end = source + source_width; - (void)dest_width; - while (source < source_end) { - const unsigned int a = source[0]; - const unsigned int b = source[1]; - const unsigned int c = source[2]; - const unsigned int d = source[3]; - const unsigned int e = source[4]; - - dest[0] = (unsigned char)a; - dest[1] = (unsigned char)((b * 85 + c * 171 + 128) >> 8); - dest[2] = (unsigned char)((d * 171 + e * 85 + 128) >> 8); - - source += 5; - dest += 3; - } -} - -void aom_vertical_band_5_3_scale_c(unsigned char *source, int src_pitch, - unsigned char *dest, int dest_pitch, - unsigned int dest_width) { - const unsigned char *const dest_end = dest + dest_width; - while (dest < dest_end) { - const unsigned int a = source[0 * src_pitch]; - const unsigned int b = source[1 * src_pitch]; - const unsigned int c = source[2 * src_pitch]; - const unsigned int d = source[3 * src_pitch]; - const unsigned int e = source[4 * src_pitch]; - - dest[0 * dest_pitch] = (unsigned char)a; - dest[1 * dest_pitch] = (unsigned char)((b * 85 + c * 171 + 128) >> 8); - dest[2 * dest_pitch] = (unsigned char)((d * 171 + e * 85 + 128) >> 8); - - ++source; - ++dest; - } -} - -/**************************************************************************** - * - * ROUTINE : aom_horizontal_line_1_2_scale_c - * - * INPUTS : const unsigned char *source : Pointer to source data. - * unsigned int source_width : Stride of source. - * unsigned char *dest : Pointer to destination data. - * unsigned int dest_width : Stride of destination - * (NOT USED). - * - * OUTPUTS : None. - * - * RETURNS : void - * - * FUNCTION : Copies horizontal line of pixels from source to - * destination scaling up by 1 to 2. - * - * SPECIAL NOTES : None. - * - ****************************************************************************/ -void aom_horizontal_line_2_1_scale_c(const unsigned char *source, - unsigned int source_width, - unsigned char *dest, - unsigned int dest_width) { - const unsigned char *const source_end = source + source_width; - (void)dest_width; - while (source < source_end) { - dest[0] = source[0]; - source += 2; - ++dest; - } -} - -void aom_vertical_band_2_1_scale_c(unsigned char *source, int src_pitch, - unsigned char *dest, int dest_pitch, - unsigned int dest_width) { - (void)dest_pitch; - (void)src_pitch; - memcpy(dest, source, dest_width); -} - -void aom_vertical_band_2_1_scale_i_c(unsigned char *source, int src_pitch, - unsigned char *dest, int dest_pitch, - unsigned int dest_width) { - const unsigned char *const dest_end = dest + dest_width; - (void)dest_pitch; - while (dest < dest_end) { - const unsigned int a = source[-src_pitch] * 3; - const unsigned int b = source[0] * 10; - const unsigned int c = source[src_pitch] * 3; - dest[0] = (unsigned char)((8 + a + b + c) >> 4); - ++source; - ++dest; - } -} |