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-rw-r--r--libavcodec/pcm_tablegen.h32
1 files changed, 16 insertions, 16 deletions
diff --git a/libavcodec/pcm_tablegen.h b/libavcodec/pcm_tablegen.h
index 438c2b9ea4..7ce147f768 100644
--- a/libavcodec/pcm_tablegen.h
+++ b/libavcodec/pcm_tablegen.h
@@ -3,20 +3,20 @@
*
* Copyright (c) 2010 Reimar Döffinger <Reimar.Doeffinger@gmx.de>
*
- * 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
*/
@@ -84,21 +84,21 @@ static av_cold void build_xlaw_table(uint8_t *linear_to_xlaw,
{
int i, j, v, v1, v2;
- j = 0;
- for(i=0;i<128;i++) {
- if (i != 127) {
- v1 = xlaw2linear(i ^ mask);
- v2 = xlaw2linear((i + 1) ^ mask);
- v = (v1 + v2 + 4) >> 3;
- } else {
- v = 8192;
- }
- for(;j<v;j++) {
+ j = 1;
+ linear_to_xlaw[8192] = mask;
+ for(i=0;i<127;i++) {
+ v1 = xlaw2linear(i ^ mask);
+ v2 = xlaw2linear((i + 1) ^ mask);
+ v = (v1 + v2 + 4) >> 3;
+ for(;j<v;j+=1) {
+ linear_to_xlaw[8192 - j] = (i ^ (mask ^ 0x80));
linear_to_xlaw[8192 + j] = (i ^ mask);
- if (j > 0)
- linear_to_xlaw[8192 - j] = (i ^ (mask ^ 0x80));
}
}
+ for(;j<8192;j++) {
+ linear_to_xlaw[8192 - j] = (127 ^ (mask ^ 0x80));
+ linear_to_xlaw[8192 + j] = (127 ^ mask);
+ }
linear_to_xlaw[0] = linear_to_xlaw[1];
}