diff options
Diffstat (limited to 'vp8/encoder/sad_c.c')
-rw-r--r-- | vp8/encoder/sad_c.c | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/vp8/encoder/sad_c.c b/vp8/encoder/sad_c.c new file mode 100644 index 000000000..74c6bd76a --- /dev/null +++ b/vp8/encoder/sad_c.c @@ -0,0 +1,248 @@ +/* + * Copyright (c) 2010 The VP8 project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license and patent + * grant that can be found in the LICENSE file in the root of the source + * tree. All contributing project authors may be found in the AUTHORS + * file in the root of the source tree. + */ + + +#include <stdlib.h> + +unsigned int vp8_sad16x16_c( + unsigned char *src_ptr, + int src_stride, + unsigned char *ref_ptr, + int ref_stride, + int max_sad) +{ + + int r, c; + unsigned int sad = 0; + + for (r = 0; r < 16; r++) + { + for (c = 0; c < 16; c++) + { + sad += abs(src_ptr[c] - ref_ptr[c]); + } + + src_ptr += src_stride; + ref_ptr += ref_stride; + } + + return sad; +} + + +static __inline +unsigned int sad_mx_n_c( + unsigned char *src_ptr, + int src_stride, + unsigned char *ref_ptr, + int ref_stride, + int m, + int n) +{ + + int r, c; + unsigned int sad = 0; + + for (r = 0; r < n; r++) + { + for (c = 0; c < m; c++) + { + sad += abs(src_ptr[c] - ref_ptr[c]); + } + + src_ptr += src_stride; + ref_ptr += ref_stride; + } + + return sad; +} + + +unsigned int vp8_sad8x8_c( + unsigned char *src_ptr, + int src_stride, + unsigned char *ref_ptr, + int ref_stride, + int max_sad) +{ + + return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 8, 8); +} + + +unsigned int vp8_sad16x8_c( + unsigned char *src_ptr, + int src_stride, + unsigned char *ref_ptr, + int ref_stride, + int max_sad) +{ + + return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 16, 8); + +} + + +unsigned int vp8_sad8x16_c( + unsigned char *src_ptr, + int src_stride, + unsigned char *ref_ptr, + int ref_stride, + int max_sad) +{ + + return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 8, 16); +} + + +unsigned int vp8_sad4x4_c( + unsigned char *src_ptr, + int src_stride, + unsigned char *ref_ptr, + int ref_stride, + int max_sad) +{ + + return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 4, 4); +} + +void vp8_sad16x16x3_c( + unsigned char *src_ptr, + int src_stride, + unsigned char *ref_ptr, + int ref_stride, + unsigned int *sad_array +) +{ + sad_array[0] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr , ref_stride, 0x7fffffff); + sad_array[1] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, 0x7fffffff); + sad_array[2] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, 0x7fffffff); +} + +void vp8_sad16x8x3_c( + unsigned char *src_ptr, + int src_stride, + unsigned char *ref_ptr, + int ref_stride, + unsigned int *sad_array +) +{ + sad_array[0] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr , ref_stride, 0x7fffffff); + sad_array[1] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, 0x7fffffff); + sad_array[2] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, 0x7fffffff); +} + +void vp8_sad8x8x3_c( + unsigned char *src_ptr, + int src_stride, + unsigned char *ref_ptr, + int ref_stride, + unsigned int *sad_array +) +{ + sad_array[0] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr , ref_stride, 0x7fffffff); + sad_array[1] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, 0x7fffffff); + sad_array[2] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, 0x7fffffff); +} + +void vp8_sad8x16x3_c( + unsigned char *src_ptr, + int src_stride, + unsigned char *ref_ptr, + int ref_stride, + unsigned int *sad_array +) +{ + sad_array[0] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr , ref_stride, 0x7fffffff); + sad_array[1] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, 0x7fffffff); + sad_array[2] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, 0x7fffffff); +} + +void vp8_sad4x4x3_c( + unsigned char *src_ptr, + int src_stride, + unsigned char *ref_ptr, + int ref_stride, + unsigned int *sad_array +) +{ + sad_array[0] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr , ref_stride, 0x7fffffff); + sad_array[1] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, 0x7fffffff); + sad_array[2] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, 0x7fffffff); +} + +void vp8_sad16x16x4d_c( + unsigned char *src_ptr, + int src_stride, + unsigned char *ref_ptr[], + int ref_stride, + unsigned int *sad_array +) +{ + sad_array[0] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr[0], ref_stride, 0x7fffffff); + sad_array[1] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr[1], ref_stride, 0x7fffffff); + sad_array[2] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr[2], ref_stride, 0x7fffffff); + sad_array[3] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr[3], ref_stride, 0x7fffffff); +} + +void vp8_sad16x8x4d_c( + unsigned char *src_ptr, + int src_stride, + unsigned char *ref_ptr[], + int ref_stride, + unsigned int *sad_array +) +{ + sad_array[0] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr[0], ref_stride, 0x7fffffff); + sad_array[1] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr[1], ref_stride, 0x7fffffff); + sad_array[2] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr[2], ref_stride, 0x7fffffff); + sad_array[3] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr[3], ref_stride, 0x7fffffff); +} + +void vp8_sad8x8x4d_c( + unsigned char *src_ptr, + int src_stride, + unsigned char *ref_ptr[], + int ref_stride, + unsigned int *sad_array +) +{ + sad_array[0] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr[0], ref_stride, 0x7fffffff); + sad_array[1] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr[1], ref_stride, 0x7fffffff); + sad_array[2] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr[2], ref_stride, 0x7fffffff); + sad_array[3] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr[3], ref_stride, 0x7fffffff); +} + +void vp8_sad8x16x4d_c( + unsigned char *src_ptr, + int src_stride, + unsigned char *ref_ptr[], + int ref_stride, + unsigned int *sad_array +) +{ + sad_array[0] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr[0], ref_stride, 0x7fffffff); + sad_array[1] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr[1], ref_stride, 0x7fffffff); + sad_array[2] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr[2], ref_stride, 0x7fffffff); + sad_array[3] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr[3], ref_stride, 0x7fffffff); +} + +void vp8_sad4x4x4d_c( + unsigned char *src_ptr, + int src_stride, + unsigned char *ref_ptr[], + int ref_stride, + unsigned int *sad_array +) +{ + sad_array[0] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr[0], ref_stride, 0x7fffffff); + sad_array[1] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr[1], ref_stride, 0x7fffffff); + sad_array[2] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr[2], ref_stride, 0x7fffffff); + sad_array[3] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr[3], ref_stride, 0x7fffffff); +} |