diff options
Diffstat (limited to 'libavcodec/pcm_tablegen.h')
| -rw-r--r-- | libavcodec/pcm_tablegen.h | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/libavcodec/pcm_tablegen.h b/libavcodec/pcm_tablegen.h index 1387210a58..7269977965 100644 --- a/libavcodec/pcm_tablegen.h +++ b/libavcodec/pcm_tablegen.h @@ -87,21 +87,21 @@ 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]; } |