* minor optimalization

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@1618 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

* minor optimalization
git-svn-id: file:///var/local/repositories/ffmpeg/trunk@1618 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b
5b3c9e1d · kabi · bde7d23b · 5b3c9e1d
Commit 5b3c9e1d authored Mar 03, 2003 by kabi
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Showing with 9 additions and 8 deletions

libavcodec/adpcm.c libavcodec/adpcm.c +9 -8

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--- a/libavcodec/adpcm.c
+++ b/libavcodec/adpcm.c
@@ -427,18 +427,19 @@ static int adpcm_decode_frame(AVCodecContext *avctx,
            src++; /* if != 0  -> out-of-sync */
        }

-        for(m=3; src < (buf + buf_size);) {
-            *samples++ = adpcm_ima_expand_nibble(&c->status[0], src[0] & 0x0F);
+        for(m=4; src < (buf + buf_size);) {
+	    *samples++ = adpcm_ima_expand_nibble(&c->status[0], src[0] & 0x0F);
            if (st)
                *samples++ = adpcm_ima_expand_nibble(&c->status[1], src[4] & 0x0F);
            *samples++ = adpcm_ima_expand_nibble(&c->status[0], (src[0] >> 4) & 0x0F);
-            if (st)
+	    if (st) {
                *samples++ = adpcm_ima_expand_nibble(&c->status[1], (src[4] >> 4) & 0x0F);
-            src++;
-            if (st && !m--) {
-                m=3;
-                src+=4;
-            }
+		if (!--m) {
+		    m=4;
+		    src+=4;
+		}
+	    }
+	    src++;
 	}
        break;
    case CODEC_ID_ADPCM_MS: