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changed rgba32_to routines to support both alpha and non-alpha formats

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Originally committed as revision 7066 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Alex Beregszaszi 2006-11-14 19:48:11 +00:00
parent d8b45f7961
commit 8e96866a52
1 changed files with 21 additions and 5 deletions
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26
libavcodec/imgconvert_template.h
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@ -410,7 +410,8 @@ static void glue(pal8_to_, RGB_NAME)(AVPicture *dst, const AVPicture *src,
}
}
#if !defined(FMT_RGBA32) && defined(RGBA_OUT)
// RGB24 has optimised routines
#if !defined(FMT_RGBA32) && !defined(FMT_RGB24)
/* alpha support */
static void glue(rgba32_to_, RGB_NAME)(AVPicture *dst, const AVPicture *src,
@ -419,7 +420,10 @@ static void glue(rgba32_to_, RGB_NAME)(AVPicture *dst, const AVPicture *src,
const uint8_t *s;
uint8_t *d;
int src_wrap, dst_wrap, j, y;
unsigned int v, r, g, b, a;
unsigned int v, r, g, b;
#ifdef RGBA_OUT
unsigned int a;
#endif
s = src->data[0];
src_wrap = src->linesize[0] - width * 4;
@ -430,11 +434,15 @@ static void glue(rgba32_to_, RGB_NAME)(AVPicture *dst, const AVPicture *src,
for(y=0;y<height;y++) {
for(j = 0;j < width; j++) {
v = ((const uint32_t *)(s))[0];
a = (v >> 24) & 0xff;
r = (v >> 16) & 0xff;
g = (v >> 8) & 0xff;
b = v & 0xff;
#ifdef RGBA_OUT
a = (v >> 24) & 0xff;
RGBA_OUT(d, r, g, b, a);
#else
RGB_OUT(d, r, g, b);
#endif
s += 4;
d += BPP;
}
@ -449,7 +457,10 @@ static void glue(RGB_NAME, _to_rgba32)(AVPicture *dst, const AVPicture *src,
const uint8_t *s;
uint8_t *d;
int src_wrap, dst_wrap, j, y;
unsigned int r, g, b, a;
unsigned int r, g, b;
#ifdef RGBA_IN
unsigned int a;
#endif
s = src->data[0];
src_wrap = src->linesize[0] - width * BPP;
@ -459,8 +470,13 @@ static void glue(RGB_NAME, _to_rgba32)(AVPicture *dst, const AVPicture *src,
for(y=0;y<height;y++) {
for(j = 0;j < width; j++) {
#ifdef RGBA_IN
RGBA_IN(r, g, b, a, s);
((uint32_t *)(d))[0] = (a << 24) | (r << 16) | (g << 8) | b;
#else
RGB_IN(r, g, b, s);
((uint32_t *)(d))[0] = (0xff << 24) | (r << 16) | (g << 8) | b;
#endif
d += 4;
s += BPP;
}
@ -469,7 +485,7 @@ static void glue(RGB_NAME, _to_rgba32)(AVPicture *dst, const AVPicture *src,
}
}
#endif /* !defined(FMT_RGBA32) && defined(RGBA_IN) */
#endif /* !defined(FMT_RGBA32) */
#ifndef FMT_RGB24