}
#endif
+static void av_always_inline horizontal_fill(unsigned int bpp, uint8_t* dst,
+ int usePtr, const uint8_t *src,
+ uint8_t c, int width, int offset)
+{
+ int i;
+
+ if (bpp == 2) {
+ for (i = 0; i < width; i++) {
+ dst[(i+offset)*4+0] = (usePtr ? src[i] : c) >> 6;
+ dst[(i+offset)*4+1] = (usePtr ? src[i] : c) >> 4 & 0x3;
+ dst[(i+offset)*4+2] = (usePtr ? src[i] : c) >> 2 & 0x3;
+ dst[(i+offset)*4+3] = (usePtr ? src[i] : c) & 0x3;
+ }
+ } else if (bpp == 4) {
+ for (i = 0; i < width; i++) {
+ dst[(i+offset)*2+0] = (usePtr ? src[i] : c) >> 4;
+ dst[(i+offset)*2+1] = (usePtr ? src[i] : c) & 0xF;
+ }
+ } else {
+ if (usePtr) {
+ memcpy(dst + offset, src, width);
+ } else {
+ memset(dst + offset, c, width);
+ }
+ }
+}
+
static int tiff_unpack_strip(TiffContext *s, uint8_t* dst, int stride, const uint8_t *src, int size, int lines){
int c, line, pixels, code;
const uint8_t *ssrc = src;
switch(s->compr){
case TIFF_RAW:
if (!s->fill_order) {
- memcpy(dst, src, width);
+ horizontal_fill(s->bpp, dst, 1, src, 0, width, 0);
} else {
int i;
for (i = 0; i < width; i++)
av_log(s->avctx, AV_LOG_ERROR, "Copy went out of bounds\n");
return -1;
}
- memcpy(dst + pixels, src, code);
+ horizontal_fill(s->bpp, dst, 1, src, 0, code, pixels);
src += code;
pixels += code;
}else if(code != -128){ // -127..-1
return -1;
}
c = *src++;
- memset(dst + pixels, c, code);
+ horizontal_fill(s->bpp, dst, 0, NULL, c, code, pixels);
pixels += code;
}
}
case 11:
s->avctx->pix_fmt = PIX_FMT_MONOBLACK;
break;
+ case 21:
+ case 41:
case 81:
s->avctx->pix_fmt = PIX_FMT_PAL8;
break;