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Fix for big endian systems

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Patch by Jean-Francois Panisset < panisset (at) comcast (dot) net >


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@12574 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
rtognimp 2004-06-12 17:37:47 +00:00
parent 2583016302
commit a68cbb44ef
1 changed files with 9 additions and 4 deletions
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13
libvo/vo_tga.c
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@ -11,8 +11,8 @@
* The 16 bit file are loaded without problem from Gimp and ImageMagick but give an error
* with entice (a visualizer from the enlightenment package that use the imlib2 package).
*
* In 32 bit mode the alpha channel is set to 255 (0xff). I may not work with big endian
* machine (is probably enought to change the TGA_ALPHA32 from 0xff000000 to 0x000000ff).
* In 32 bit mode the alpha channel is set to 255 (0xff). For big endian
* machines, TGA_ALPHA32 changes from 0xff000000 to 0x000000ff, and TGA_SHIFT32 from 0 to 8.
*
* I need to fill the alpha channel because entice consider that alpha channel (and displays
* nothing, only the background!), but ImageMacick (the program display) or gimp doesn't
@ -35,8 +35,13 @@
#include "video_out.h"
#include "video_out_internal.h"
/* This must be changed for Motorola type processor ? */
#ifdef WORDS_BIGENDIAN
#define TGA_ALPHA32 0x000000ff
#define TGA_SHIFT32 8
#else
#define TGA_ALPHA32 0xff000000
#define TGA_SHIFT32 0
#endif
static vo_info_t info =
{
@ -121,7 +126,7 @@ static int write_tga( char *file, int bpp, int dx, int dy, uint8_t *buf, int str
s = (uint32_t *)buf;
d = line_buff;
for(x = 0; x < dx; x++) {
*d++ = *s++ | TGA_ALPHA32;
*d++ = ((*s++) << TGA_SHIFT32) | TGA_ALPHA32;
}
if (fwrite(line_buff, wb, 1, fo) != 1) {
er = 4;