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lavfi/kerndeint: use aligned linesizes for the temporary buffer.

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This improves the performances just enough to match mp=kerndeint.

Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
This commit is contained in:
Clément Bœsch 2013-01-06 19:34:16 +01:00 committed by Stefano Sabatini
parent 2042cd3769
commit 51ba843f19
1 changed files with 10 additions and 5 deletions
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15
libavfilter/vf_kerndeint.c
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@ -40,8 +40,9 @@ typedef struct {
int frame; ///< frame count, starting from 0
int thresh, map, order, sharp, twoway;
int vsub;
uint8_t *tmp_data [4]; ///< temporary plane data buffer
int tmp_bwidth[4]; ///< temporary plane byte width
uint8_t *tmp_data [4]; ///< temporary plane data buffer
int tmp_linesize[4]; ///< temporary plane byte linesize
int tmp_bwidth [4]; ///< temporary plane byte width
} KerndeintContext;
#define OFFSET(x) offsetof(KerndeintContext, x)
@ -101,11 +102,15 @@ static int config_props(AVFilterLink *inlink)
kerndeint->vsub = desc->log2_chroma_h;
ret = av_image_alloc(kerndeint->tmp_data, kerndeint->tmp_bwidth,
inlink->w, inlink->h, inlink->format, 1);
ret = av_image_alloc(kerndeint->tmp_data, kerndeint->tmp_linesize,
inlink->w, inlink->h, inlink->format, 16);
if (ret < 0)
return ret;
memset(kerndeint->tmp_data[0], 0, ret);
if ((ret = av_image_fill_linesizes(kerndeint->tmp_bwidth, inlink->format, inlink->w)) < 0)
return ret;
return 0;
}
@ -161,7 +166,7 @@ static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *inpic)
srcp = srcp_saved = inpic->data[plane];
src_linesize = inpic->linesize[plane];
psrc_linesize = kerndeint->tmp_bwidth[plane];
psrc_linesize = kerndeint->tmp_linesize[plane];
dstp = dstp_saved = outpic->data[plane];
dst_linesize = outpic->linesize[plane];
srcp = srcp_saved + (1 - order) * src_linesize;