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fixing overflow in 16->8 bit conversion, patch by (Nikolai Zhubr <s001 at hotbox dot ru>)

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Originally committed as revision 913 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Nikolai Zhubr
2002-09-07 10:57:51 +00:00
committed by Michael Niedermayer
parent b2a0a7fb8a
commit 0eaec10550
1 changed files with 2 additions and 2 deletions
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4
libavcodec/pcm.c
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@@ -209,14 +209,14 @@ static int pcm_encode_frame(AVCodecContext *avctx,
case CODEC_ID_PCM_S8: case CODEC_ID_PCM_S8:
for(;n>0;n--) { for(;n>0;n--) {
v = *samples++; v = *samples++;
dst[0] = (v + 128) >> 8; dst[0] = v >> 8;
dst++; dst++;
} }
break; break;
case CODEC_ID_PCM_U8: case CODEC_ID_PCM_U8:
for(;n>0;n--) { for(;n>0;n--) {
v = *samples++; v = *samples++;
dst[0] = ((v + 128) >> 8) + 128; dst[0] = (v >> 8) + 128;
dst++; dst++;
} }
break; break;