[FFmpeg-cvslog] Fix libopenjpeg colour range adjust for 8<bpp<16.

[Carl Eugen Hoyos]

ffmpeg | branch: release/2.1 | Carl Eugen Hoyos <cehoyos at ag.or.at> | Fri Jan 10 10:57:43 2014 +0100| [6ce835d77f764577d2e4e6ac69b343aaa289dda2] | committer: Carl Eugen Hoyos

Fix libopenjpeg colour range adjust for 8<bpp<16.

Fixes ticket #3284.

Reviewed-by: Michael Bradshaw
(cherry picked from commit 8298b54179c92fc3293ea312c4fcf153917bca0a)

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6ce835d77f764577d2e4e6ac69b343aaa289dda2
---

 libavcodec/libopenjpegdec.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/libopenjpegdec.c b/libavcodec/libopenjpegdec.c
index 734b54f..e1ebccf 100644
--- a/libavcodec/libopenjpegdec.c
+++ b/libavcodec/libopenjpegdec.c
@@ -172,7 +172,7 @@ static inline void libopenjpeg_copy_to_packed16(AVFrame *picture, opj_image_t *i
     int index, x, y, c;
     int adjust[4];
     for (x = 0; x < image->numcomps; x++)
-        adjust[x] = FFMAX(FFMIN(16 - image->comps[x].prec, 8), 0);
+        adjust[x] = FFMAX(FFMIN(av_pix_fmt_desc_get(picture->format)->comp[x].depth_minus1 + 1 - image->comps[x].prec, 8), 0);
 
     for (y = 0; y < picture->height; y++) {
         index = y*picture->width;
@@ -209,7 +209,7 @@ static inline void libopenjpeg_copyto16(AVFrame *picture, opj_image_t *image) {
     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);
+        adjust[x] = FFMAX(FFMIN(av_pix_fmt_desc_get(picture->format)->comp[x].depth_minus1 + 1 - image->comps[x].prec, 8), 0);
 
     for (index = 0; index < image->numcomps; index++) {
         comp_data = image->comps[index].data;