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Don't build 16-point IDCT on greyscale targets, since it's only used for chroma components.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20887 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Andrew Mahone 2009-05-09 10:32:13 +00:00
parent 59e70b50d8
commit 74e4d17910
1 changed files with 4 additions and 0 deletions
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4
apps/recorder/jpeg_load.c
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@ -578,6 +578,7 @@ static void idct8h(int *ws, unsigned char *out, int rows, int rowstep)
}
}
#ifdef HAVE_LCD_COLOR
/* vertical-pass 16-point IDCT */
static void idct16v(int *ws, int cols)
{
@ -808,6 +809,7 @@ static void idct16h(int *ws, unsigned char *out, int rows, int rowstep)
DS_OUT));
}
}
#endif
struct idct_entry {
int v_scale;
@ -821,7 +823,9 @@ struct idct_entry idct_tbl[] = {
{ PASS1_BITS, CONST_BITS, idct2v, idct2h },
{ 0, 0, idct4v, idct4h },
{ 0, 0, idct8v, idct8h },
#ifdef HAVE_LCD_COLOR
{ 0, 0, idct16v, idct16h },
#endif
};
/* JPEG decoder implementation */