From 618b067d2132b0336e609bc311e85c557ffb30ed Mon Sep 17 00:00:00 2001
From: Justin Ruggles <justin.ruggles@gmail.com>
Date: Mon, 12 Sep 2011 10:04:37 -0400
Subject: [PATCH] ws_snd: use memcpy() and memset() instead of loops
---
libavcodec/ws-snd1.c | 15 ++++++---------
1 file changed, 6 insertions(+), 9 deletions(-)
diff --git a/libavcodec/ws-snd1.c b/libavcodec/ws-snd1.c
index 3842ec9b32..57902a8243 100644
--- a/libavcodec/ws-snd1.c
+++ b/libavcodec/ws-snd1.c
@@ -60,7 +60,6 @@ static int ws_snd_decode_frame(AVCodecContext *avctx,
int in_size, out_size;
int sample = 128;
- int i;
uint8_t *samples = data;
uint8_t *samples_end;
@@ -87,8 +86,7 @@ static int ws_snd_decode_frame(AVCodecContext *avctx,
samples_end = samples + out_size;
if (in_size == out_size) {
- for (i = 0; i < out_size; i++)
- *samples++ = *buf++;
+ memcpy(samples, buf, out_size);
*data_size = out_size;
return buf_size;
}
@@ -153,16 +151,15 @@ static int ws_snd_decode_frame(AVCodecContext *avctx,
sample = av_clip_uint8(sample);
*samples++ = sample;
} else { /* copy */
- for (count++; count > 0; count--) {
- *samples++ = *buf++;
- }
+ memcpy(samples, buf, smp);
+ samples += smp;
+ buf += smp;
sample = buf[-1];
}
break;
default: /* run */
- for(count++; count > 0; count--) {
- *samples++ = sample;
- }
+ memset(samples, sample, smp);
+ samples += smp;
}
}