struct wcap_decoder *wcap;
};
-static inline int rgb_to_yuv(uint32_t p, int *u, int *v)
-{
- int r = (p >> 16) & 0xff;
- int g = (p >> 8) & 0xff;
- int b = (p >> 0) & 0xff;
- int y;
+static inline int rgb_to_yuv(uint32_t format, uint32_t p, int *u, int *v)
+{
+ int r, g, b, y;
+
+ switch (format) {
+ case WCAP_FORMAT_XRGB8888:
+ r = (p >> 16) & 0xff;
+ g = (p >> 8) & 0xff;
+ b = (p >> 0) & 0xff;
+ break;
+ case WCAP_FORMAT_XBGR8888:
+ r = (p >> 0) & 0xff;
+ g = (p >> 8) & 0xff;
+ b = (p >> 16) & 0xff;
+ break;
+ }
y = 0.299 * r + 0.587 * g + 0.114 * b;
if (y > 255)
unsigned char *y1, *y2, *u, *v;
uint32_t *p1, *p2, *end;
int i, u_accum, v_accum;
+ uint32_t format = wcap->format;
for (i = 0; i < wcap->height; i += 2) {
y1 = img->planes[0] + img->stride[0] * i;
while (p1 < end) {
u_accum = 0;
v_accum = 0;
- y1[0] = rgb_to_yuv(p1[0], &u_accum, &v_accum);
- y1[1] = rgb_to_yuv(p1[1], &u_accum, &v_accum);
- y2[0] = rgb_to_yuv(p2[0], &u_accum, &v_accum);
- y2[1] = rgb_to_yuv(p2[1], &u_accum, &v_accum);
+ y1[0] = rgb_to_yuv(format, p1[0], &u_accum, &v_accum);
+ y1[1] = rgb_to_yuv(format, p1[1], &u_accum, &v_accum);
+ y2[0] = rgb_to_yuv(format, p2[0], &u_accum, &v_accum);
+ y2[1] = rgb_to_yuv(format, p2[1], &u_accum, &v_accum);
u[0] = clamp_uv(u_accum);
v[0] = clamp_uv(v_accum);