From 880de6b0befad26a9557fcee679fee780e3dd7e3 Mon Sep 17 00:00:00 2001
From: "Timofei V. Bondarenko" <tim@ipi.ac.ru>
Date: Wed, 17 Oct 2007 23:02:35 +0000
Subject: Remove unnecessary guarding &=0x0f around
 adpcm_ima_compress_sample(). patch by Timofei, tim ipi.ac ru Date: Mon, 15
 Oct 2007 19:55:29 +0400 Subject: [FFmpeg-devel] [PATCH] adpcm-ima-wav header
 and codec

Originally committed as revision 10773 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/adpcm.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

(limited to 'libavcodec/adpcm.c')

diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c
index 00eb8184bb..84543f3719 100644
--- a/libavcodec/adpcm.c
+++ b/libavcodec/adpcm.c
@@ -483,17 +483,17 @@ static int adpcm_encode_frame(AVCodecContext *avctx,
                 }
             } else
             for (; n>0; n--) {
-                *dst = adpcm_ima_compress_sample(&c->status[0], samples[0]) & 0x0F;
-                *dst |= (adpcm_ima_compress_sample(&c->status[0], samples[avctx->channels]) << 4) & 0xF0;
+                *dst = adpcm_ima_compress_sample(&c->status[0], samples[0]);
+                *dst |= adpcm_ima_compress_sample(&c->status[0], samples[avctx->channels]) << 4;
                 dst++;
-                *dst = adpcm_ima_compress_sample(&c->status[0], samples[avctx->channels * 2]) & 0x0F;
-                *dst |= (adpcm_ima_compress_sample(&c->status[0], samples[avctx->channels * 3]) << 4) & 0xF0;
+                *dst = adpcm_ima_compress_sample(&c->status[0], samples[avctx->channels * 2]);
+                *dst |= adpcm_ima_compress_sample(&c->status[0], samples[avctx->channels * 3]) << 4;
                 dst++;
-                *dst = adpcm_ima_compress_sample(&c->status[0], samples[avctx->channels * 4]) & 0x0F;
-                *dst |= (adpcm_ima_compress_sample(&c->status[0], samples[avctx->channels * 5]) << 4) & 0xF0;
+                *dst = adpcm_ima_compress_sample(&c->status[0], samples[avctx->channels * 4]);
+                *dst |= adpcm_ima_compress_sample(&c->status[0], samples[avctx->channels * 5]) << 4;
                 dst++;
-                *dst = adpcm_ima_compress_sample(&c->status[0], samples[avctx->channels * 6]) & 0x0F;
-                *dst |= (adpcm_ima_compress_sample(&c->status[0], samples[avctx->channels * 7]) << 4) & 0xF0;
+                *dst = adpcm_ima_compress_sample(&c->status[0], samples[avctx->channels * 6]);
+                *dst |= adpcm_ima_compress_sample(&c->status[0], samples[avctx->channels * 7]) << 4;
                 dst++;
                 /* right channel */
                 if (avctx->channels == 2) {
@@ -544,9 +544,9 @@ static int adpcm_encode_frame(AVCodecContext *avctx,
             }
         } else {
             for (i=1; i<avctx->frame_size; i++) {
-                put_bits(&pb, 4, adpcm_ima_compress_sample(&c->status[0], samples[avctx->channels*i]) & 0xF);
+                put_bits(&pb, 4, adpcm_ima_compress_sample(&c->status[0], samples[avctx->channels*i]));
                 if (avctx->channels == 2)
-                    put_bits(&pb, 4, adpcm_ima_compress_sample(&c->status[1], samples[2*i+1]) & 0xF);
+                    put_bits(&pb, 4, adpcm_ima_compress_sample(&c->status[1], samples[2*i+1]));
             }
         }
         flush_put_bits(&pb);
-- 
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