Merge commit 'ac9d159015a88aa2721b271875d18482f713f354'

[ffmpeg] / libavcodec / libopenjpegdec.c

diff --git a/libavcodec/libopenjpegdec.c b/libavcodec/libopenjpegdec.c
index c331b590e8ed1fdc862446f5c41192aab7914c98..27fb56e03f02edae5dd490ee6d1fc9afa4e5e78c 100644 (file)
--- 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++;
             }