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Use RGB for palette from .IDX file 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@6832 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
kmkaplan 2002-07-28 16:37:05 +00:00
parent e8982a40aa
commit 574cd16de4
1 changed files with 19 additions and 3 deletions
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22
vobsub.c
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@ -21,6 +21,9 @@
#include "spudec.h"
#include "mp_msg.h"
#define MIN(a, b) ((a)<(b)?(a):(b))
#define MAX(a, b) ((a)>(b)?(a):(b))
extern int vobsub_id;
extern int verbose;
@ -610,6 +613,7 @@ vobsub_parse_palette(vobsub_t *vob, const char *line)
n = 0;
while (1) {
const char *p;
int r, g, b, y, u, v, tmp;
while (isspace(*line))
++line;
p = line;
@ -617,7 +621,14 @@ vobsub_parse_palette(vobsub_t *vob, const char *line)
++p;
if (p - line != 6)
return -1;
vob->palette[n++] = strtoul(line, NULL, 16);
tmp = strtoul(line, NULL, 16);
r = tmp >> 16 & 0xff;
g = tmp >> 8 & 0xff;
b = tmp & 0xff;
y = MIN(MAX((int)(0.1494 * r + 0.6061 * g + 0.2445 * b), 0), 0xff);
u = MIN(MAX((int)(0.6066 * r - 0.4322 * g - 0.1744 * b) + 128, 0), 0xff);
v = MIN(MAX((int)(-0.08435 * r - 0.3422 * g + 0.4266 * b) + 128, 0), 0xff);
vob->palette[n++] = y << 16 | u << 8 | v;
if (n == 16)
break;
if (*p == ',')
@ -1032,10 +1043,15 @@ create_idx(vobsub_out_t *me, const unsigned int *palette, unsigned int orig_widt
if (palette) {
fputs("palette:", me->fidx);
for (i = 0; i < 16; ++i) {
const double y = palette[i] >> 16 & 0xff,
u = (palette[i] >> 8 & 0xff) - 128.0,
v = (palette[i] & 0xff) - 128.0;
if (i)
putc(',', me->fidx);
fprintf(me->fidx, " %02x%02x%02x", palette[i]>>16 & 0x000000ff,
palette[i]>>16 & 0x000000ff, palette[i]>>16 & 0x000000ff);
fprintf(me->fidx, " %02x%02x%02x",
MIN(MAX((int)(y + 1.4022 * u), 0), 0xff),
MIN(MAX((int)(y - 0.3456 * u - 0.7145 * v), 0), 0xff),
MIN(MAX((int)(y + 1.7710 * v), 0), 0xff));
}
putc('\n', me->fidx);
}