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-rw-r--r--libavcodec/libopenjpegdec.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/libavcodec/libopenjpegdec.c b/libavcodec/libopenjpegdec.c
index c331b590e8..27fb56e03f 100644
--- a/libavcodec/libopenjpegdec.c
+++ b/libavcodec/libopenjpegdec.c
@@ -207,12 +207,16 @@ static inline void libopenjpeg_copyto16(AVFrame *picture, opj_image_t *image) {
int *comp_data;
uint16_t *img_ptr;
int index, x, y;
+ int adjust[4];
+ for (x = 0; x < image->numcomps; x++)
+ adjust[x] = FFMAX(FFMIN(16 - image->comps[x].prec, 8), 0);
+
for (index = 0; index < image->numcomps; index++) {
comp_data = image->comps[index].data;
for (y = 0; y < image->comps[index].h; y++) {
img_ptr = (uint16_t*) (picture->data[index] + y * picture->linesize[index]);
for (x = 0; x < image->comps[index].w; x++) {
- *img_ptr = *comp_data;
+ *img_ptr = *comp_data << adjust[index];
img_ptr++;
comp_data++;
}