diff options
Diffstat (limited to 'libavcodec/dsputil.h')
| -rw-r--r-- | libavcodec/dsputil.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libavcodec/dsputil.h b/libavcodec/dsputil.h index a7c83f00e5..9f0f952df5 100644 --- a/libavcodec/dsputil.h +++ b/libavcodec/dsputil.h @@ -76,6 +76,12 @@ void ff_vp3_idct_c(DCTELEM *block/* align 16*/); void ff_vp3_idct_put_c(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/); void ff_vp3_idct_add_c(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/); +/* 1/2^n downscaling functions from imgconvert.c */ +void ff_img_copy_plane(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); +void ff_shrink22(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); +void ff_shrink44(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); +void ff_shrink88(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); + /* minimum alignment rules ;) if u notice errors in the align stuff, need more alignment for some asm code for some cpu or need to use a function with less aligned data then send a mail to the ffmpeg-dev list, ... @@ -345,6 +351,8 @@ typedef struct DSPContext { void (*inner_add_yblock)(uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h, int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8); void (*prefetch)(void *mem, int stride, int h); + + void (*shrink[4])(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); } DSPContext; void dsputil_static_init(void); |