summaryrefslogtreecommitdiff
path: root/libavcodec/svq1dec.c
diff options
context:
space:
mode:
Diffstat (limited to 'libavcodec/svq1dec.c')
-rw-r--r--libavcodec/svq1dec.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/libavcodec/svq1dec.c b/libavcodec/svq1dec.c
index 69dbd1b25d..83fe07e4c7 100644
--- a/libavcodec/svq1dec.c
+++ b/libavcodec/svq1dec.c
@@ -8,20 +8,20 @@
*
* SVQ1 Encoder (c) 2004 Mike Melanson <melanson@pcisys.net>
*
- * 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
*/
@@ -141,7 +141,7 @@ static const uint8_t string_table[256] = {
break;\
/* add child nodes */\
list[n++] = list[i];\
- list[n++] = list[i] + (((level & 1) ? pitch : 1) << ((level / 2) + 1));\
+ list[n++] = list[i] + (((level & 1) ? pitch : 1) << ((level >> 1) + 1));\
}
#define SVQ1_ADD_CODEBOOK()\
@@ -202,7 +202,7 @@ static const uint8_t string_table[256] = {
entries[j] = (((bit_cache >> (4*(stages - j - 1))) & 0xF) + 16*j) << (level + 1);\
}\
mean -= (stages * 128);\
- n4 = ((mean + (mean >> 31)) << 16) | (mean & 0xFFFF);
+ n4 = (mean << 16) + mean;
static int svq1_decode_block_intra (GetBitContext *bitbuf, uint8_t *pixels, int pitch ) {
uint32_t bit_cache;