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lavfi/lut: use ff_fill_rgba_map() 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2013-01-01 16:38:54 +00:00
parent fde13052fb
commit ba1cbf40ce
1 changed files with 3 additions and 9 deletions
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12
libavfilter/vf_lut.c
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@ -29,6 +29,7 @@
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "drawutils.h"
#include "formats.h"
#include "internal.h"
#include "video.h"
@ -175,7 +176,7 @@ static int config_props(AVFilterLink *inlink)
AVFilterContext *ctx = inlink->dst;
LutContext *lut = ctx->priv;
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
int rgba_map[4]; /* component index -> RGBA color index map */
uint8_t rgba_map[4]; /* component index -> RGBA color index map */
int min[4], max[4];
int val, comp, ret;
@ -208,14 +209,7 @@ static int config_props(AVFilterLink *inlink)
else if (ff_fmt_is_in(inlink->format, rgb_pix_fmts)) lut->is_rgb = 1;
if (lut->is_rgb) {
switch (inlink->format) {
case AV_PIX_FMT_ARGB: rgba_map[0] = A; rgba_map[1] = R; rgba_map[2] = G; rgba_map[3] = B; break;
case AV_PIX_FMT_ABGR: rgba_map[0] = A; rgba_map[1] = B; rgba_map[2] = G; rgba_map[3] = R; break;
case AV_PIX_FMT_RGBA:
case AV_PIX_FMT_RGB24: rgba_map[0] = R; rgba_map[1] = G; rgba_map[2] = B; rgba_map[3] = A; break;
case AV_PIX_FMT_BGRA:
case AV_PIX_FMT_BGR24: rgba_map[0] = B; rgba_map[1] = G; rgba_map[2] = R; rgba_map[3] = A; break;
}
ff_fill_rgba_map(rgba_map, inlink->format);
lut->step = av_get_bits_per_pixel(desc) >> 3;
}