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author | Vittorio Giovara <vittorio.giovara@gmail.com> | 2016-01-19 16:09:50 -0500 |
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committer | Vittorio Giovara <vittorio.giovara@gmail.com> | 2016-01-21 15:33:19 -0500 |
commit | 892f037c55d86ce36f8705fbeab052189312a13e (patch) | |
tree | 89c492cf25e723c4848acdbfce2ac4106370a0c5 /libavcodec/imgconvert.c | |
parent | 9d3ea5cbf57e30bf2717a9ce64e858dad8a02aa6 (diff) | |
download | ffmpeg-892f037c55d86ce36f8705fbeab052189312a13e.tar.gz |
imgconvert: Move the shrink functions only where needed
Diffstat (limited to 'libavcodec/imgconvert.c')
-rw-r--r-- | libavcodec/imgconvert.c | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c index 218b93f021..489ce7ad90 100644 --- a/libavcodec/imgconvert.c +++ b/libavcodec/imgconvert.c @@ -25,7 +25,6 @@ */ #include "avcodec.h" -#include "imgconvert.h" #include "internal.h" #include "mathops.h" #include "libavutil/colorspace.h" @@ -154,92 +153,6 @@ enum AVPixelFormat avcodec_find_best_pix_fmt2(enum AVPixelFormat *pix_fmt_list, return dst_pix_fmt; } -/* 2x2 -> 1x1 */ -void ff_shrink22(uint8_t *dst, int dst_wrap, - const uint8_t *src, int src_wrap, - int width, int height) -{ - int w; - const uint8_t *s1, *s2; - uint8_t *d; - - for(;height > 0; height--) { - s1 = src; - s2 = s1 + src_wrap; - d = dst; - for(w = width;w >= 4; w-=4) { - d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 2; - d[1] = (s1[2] + s1[3] + s2[2] + s2[3] + 2) >> 2; - d[2] = (s1[4] + s1[5] + s2[4] + s2[5] + 2) >> 2; - d[3] = (s1[6] + s1[7] + s2[6] + s2[7] + 2) >> 2; - s1 += 8; - s2 += 8; - d += 4; - } - for(;w > 0; w--) { - d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 2; - s1 += 2; - s2 += 2; - d++; - } - src += 2 * src_wrap; - dst += dst_wrap; - } -} - -/* 4x4 -> 1x1 */ -void ff_shrink44(uint8_t *dst, int dst_wrap, - const uint8_t *src, int src_wrap, - int width, int height) -{ - int w; - const uint8_t *s1, *s2, *s3, *s4; - uint8_t *d; - - for(;height > 0; height--) { - s1 = src; - s2 = s1 + src_wrap; - s3 = s2 + src_wrap; - s4 = s3 + src_wrap; - d = dst; - for(w = width;w > 0; w--) { - d[0] = (s1[0] + s1[1] + s1[2] + s1[3] + - s2[0] + s2[1] + s2[2] + s2[3] + - s3[0] + s3[1] + s3[2] + s3[3] + - s4[0] + s4[1] + s4[2] + s4[3] + 8) >> 4; - s1 += 4; - s2 += 4; - s3 += 4; - s4 += 4; - d++; - } - src += 4 * src_wrap; - dst += dst_wrap; - } -} - -/* 8x8 -> 1x1 */ -void ff_shrink88(uint8_t *dst, int dst_wrap, - const uint8_t *src, int src_wrap, - int width, int height) -{ - int w, i; - - for(;height > 0; height--) { - for(w = width;w > 0; w--) { - int tmp=0; - for(i=0; i<8; i++){ - tmp += src[0] + src[1] + src[2] + src[3] + src[4] + src[5] + src[6] + src[7]; - src += src_wrap; - } - *(dst++) = (tmp + 32)>>6; - src += 8 - 8*src_wrap; - } - src += 8*src_wrap - 8*width; - dst += dst_wrap - width; - } -} - /* return true if yuv planar */ static inline int is_yuv_planar(const AVPixFmtDescriptor *desc) { |