diff options
Diffstat (limited to 'libavcodec/pcm_tablegen.h')
-rw-r--r-- | libavcodec/pcm_tablegen.h | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/libavcodec/pcm_tablegen.h b/libavcodec/pcm_tablegen.h index 438c2b9..7ce147f 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]; } |