---
libavcodec/tiff.c | 39 +++++++++++++++++++++++++--------------
1 files changed, 25 insertions(+), 14 deletions(-)
diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c
index ab5f1eb..c338156 100644
--- a/libavcodec/tiff.c
+++ b/libavcodec/tiff.c
@@ -568,26 +568,37 @@ static int decode_frame(AVCodecContext *avctx,
break;
dst += s->rps * stride;
}
- if(s->predictor == 2){
+ if (s->predictor == 2) {
dst = p->data[0];
soff = s->bpp >> 3;
ssize = s->width * soff;
- for(i = 0; i < s->height; i++) {
- for(j = soff; j < ssize; j++)
- dst[j] += dst[j - soff];
- dst += stride;
+ if (s->avctx->pix_fmt == PIX_FMT_RGB48LE) {
+ for (i = 0; i < s->height; i++) {
+ for (j = soff; j < ssize; j += 2)
+ AV_WL16(dst + j, AV_RL16(dst + j) + AV_RL16(dst + j -
soff));
+ dst += stride;
+ }
+ } else if (s->avctx->pix_fmt == PIX_FMT_RGB48BE) {
+ for (i = 0; i < s->height; i++) {
+ for (j = soff; j < ssize; j += 2)
+ AV_WB16(dst + j, AV_RB16(dst + j) + AV_RB16(dst + j -
soff));
+ dst += stride;
+ }
+ } else {
+ for (i = 0; i < s->height; i++) {
+ for (j = soff; j < ssize; j++)
+ dst[j] += dst[j - soff];
+ dst += stride;
+ }
}
}
- if(s->invert){
- uint8_t *src;
- int j;
-
- src = s->picture.data[0];
- for(j = 0; j < s->height; j++){
- for(i = 0; i < s->picture.linesize[0]; i++)
- src[i] = 255 - src[i];
- src += s->picture.linesize[0];
+ if (s->invert){
+ dst = s->picture.data[0];
+ for (i = 0; i < s->height; i++) {
+ for (j = 0; j < s->picture.linesize[0]; j++)
+ dst[j] = 255 - dst[j];
+ dst += s->picture.linesize[0];
}
}
*picture= *(AVFrame*)&s->picture;
--
1.7.4.2
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