Replace pow(x, 0.75) with sqrtf(x * sqrtf(x)) for a 33% speedup.

[ffmpeg] / libavcodec / mpegaudioenc.c

diff --git a/libavcodec/mpegaudioenc.c b/libavcodec/mpegaudioenc.c
index 767f823c01d843f6fefac9595f3633d35152446f..de3081e2bf584371d50d7813113060a44807103e 100644 (file)
--- a/libavcodec/mpegaudioenc.c
+++ b/libavcodec/mpegaudioenc.c
@@ -1,6 +1,6 @@
 /*
  * The simplest mpeg audio layer 2 encoder
- * Copyright (c) 2000, 2001 Fabrice Bellard.
+ * Copyright (c) 2000, 2001 Fabrice Bellard
  *
  * This file is part of FFmpeg.
  *
@@ -20,12 +20,12 @@
  */
 
 /**
- * @file mpegaudio.c
+ * @file libavcodec/mpegaudio.c
  * The simplest mpeg audio layer 2 encoder.
  */
 
 #include "avcodec.h"
-#include "bitstream.h"
+#include "put_bits.h"
 
 #undef  CONFIG_MPEGAUDIO_HP
 #define CONFIG_MPEGAUDIO_HP 0
@@ -781,7 +781,7 @@ static int MPA_encode_frame(AVCodecContext *avctx,
     encode_frame(s, bit_alloc, padding);
 
     s->nb_samples += MPA_FRAME_SIZE;
-    return pbBufPtr(&s->pb) - s->pb.buf;
+    return put_bits_ptr(&s->pb) - s->pb.buf;
 }
 
 static av_cold int MPA_encode_close(AVCodecContext *avctx)