1 files changed, 6 insertions, 8 deletions

diff --git a/libavcodec/jpegls.c b/libavcodec/jpegls.c
index ebe6b85e98..f1ce16e0d8 100644
--- a/libavcodec/jpegls.c
+++ b/libavcodec/jpegls.c
@@ -3,20 +3,20 @@
  * Copyright (c) 2003 Michael Niedermayer
  * Copyright (c) 2006 Konstantin Shishkov
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -36,10 +36,8 @@ void ff_jpegls_init_state(JLSState *state){
     // QBPP = ceil(log2(RANGE))
     for(state->qbpp = 0; (1 << state->qbpp) < state->range; state->qbpp++);
 
-    if(state->bpp < 8)
-        state->limit = 16 + 2 * state->bpp - state->qbpp;
-    else
-        state->limit = (4 * state->bpp) - state->qbpp;
+    state->bpp = FFMAX(av_log2(state->maxval)+1, 2);
+    state->limit = 2*(state->bpp + FFMAX(state->bpp, 8)) - state->qbpp;
 
     for(i = 0; i < 367; i++) {
         state->A[i] = FFMAX((state->range + 32) >> 6, 2);