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cin audio: use sign_extend() instead of casting to int16_t

This commit is contained in:
Justin Ruggles 2011-10-27 13:58:05 -04:00
parent 405af43104
commit 7d1b17b833
1 changed files with 2 additions and 1 deletions
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3
libavcodec/dsicinav.c
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@ -26,6 +26,7 @@
#include "avcodec.h"
#include "bytestream.h"
#include "mathops.h"
typedef enum CinVideoBitmapIndex {
@ -339,7 +340,7 @@ static int cinaudio_decode_frame(AVCodecContext *avctx,
delta = cin->delta;
if (cin->initial_decode_frame) {
cin->initial_decode_frame = 0;
delta = (int16_t)AV_RL16(buf);
delta = sign_extend(AV_RL16(buf), 16);
buf += 2;
*samples++ = delta;
}