diff options
-rw-r--r-- | libavcodec/libopenjpegdec.c | 6 |
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++; } |