Copy a rectangular area of samples to a temporary buffer and replicate the border samples.

Parameters

buf destination buffer

src source buffer

linesize number of bytes between 2 vertically adjacent samples in both the source and destination buffers

block_w width of block

block_h height of block

src_x x coordinate of the top left sample of the block in the source buffer

src_y y coordinate of the top left sample of the block in the source buffer

w width of the source buffer

h height of the source buffer

Definition at line 58 of file videodsp.h.

Referenced by chroma_4mv_motion(), chroma_4mv_motion_lowres(), encode_mb_internal(), ff_mspel_motion(), ff_snow_pred_block(), ff_videodsp_init(), ff_videodsp_init_x86(), gmc1_motion(), hpel_motion(), hpel_motion_lowres(), mc_dir_part(), mpeg_motion_internal(), mpeg_motion_lowres(), MPV_motion_internal(), qpel_motion(), render_slice(), rv34_mc(), svq3_mc_dir_part(), vc1_interp_mc(), vc1_mc_1mv(), vc1_mc_4mv_chroma(), vc1_mc_4mv_chroma4(), vc1_mc_4mv_luma(), vp8_mc_chroma(), and vp8_mc_luma().

Prefetch memory into cache (if supported by hardware).

pointer to buffer to prefetch memory from distance between two lines of buf (in bytes) number of lines to prefetch

Definition at line 69 of file videodsp.h.

Referenced by ff_videodsp_init(), ff_videodsp_init_armv5te(), ff_videodsp_init_ppc(), ff_videodsp_init_x86(), prefetch_motion(), and vp8_decode_mb_row_no_filter().