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

Parameters

dst destination buffer

dst_stride number of bytes between 2 vertically adjacent samples in destination buffer

src source buffer

dst_linesize number of bytes between 2 vertically adjacent samples in the destination buffer

src_linesize number of bytes between 2 vertically adjacent samples in both the source buffer

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 63 of file videodsp.h.

Referenced by apply_8x8(), chroma_4mv_motion(), chroma_4mv_motion_lowres(), chroma_mc(), encode_mb_internal(), ff_mspel_motion(), ff_snow_pred_block(), ff_videodsp_init(), ff_videodsp_init_x86(), gmc1_motion(), hpel_motion(), hpel_motion_lowres(), luma_mc(), mc_chroma_dir(), mc_dir_part(), mc_luma_dir(), mpeg_motion_internal(), mpeg_motion_lowres(), 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).

Parameters

buf pointer to buffer to prefetch memory from

stride distance between two lines of buf (in bytes)

h number of lines to prefetch

Definition at line 76 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().