flacdec: allow mid-stream channel layout change

[ffmpeg] / libavcodec / dcadsp.c

diff --git a/libavcodec/dcadsp.c b/libavcodec/dcadsp.c
index fcd3b854510c13770d9b99905cb5256cffa6bdea..14932e678646f72bbc200fc44f16ce7c00150a87 100644 (file)
--- a/libavcodec/dcadsp.c
+++ b/libavcodec/dcadsp.c
@@ -2,27 +2,28 @@
  * Copyright (c) 2004 Gildas Bazin
  * Copyright (c) 2010 Mans Rullgard <mans@mansr.com>
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "config.h"
 #include "dcadsp.h"
 
 static void dca_lfe_fir_c(float *out, const float *in, const float *coefs,
-                          int decifactor, float scale, float bias)
+                          int decifactor, float scale)
 {
     float *out2 = out + decifactor;
     const float *cf0 = coefs;
@@ -38,12 +39,13 @@ static void dca_lfe_fir_c(float *out, const float *in, const float *coefs,
             v0 += s * *cf0++;
             v1 += s * *--cf1;
         }
-        *out++  = (v0 * scale) + bias;
-        *out2++ = (v1 * scale) + bias;
+        *out++  = v0 * scale;
+        *out2++ = v1 * scale;
     }
 }
 
 void ff_dcadsp_init(DCADSPContext *s)
 {
     s->lfe_fir = dca_lfe_fir_c;
+    if (ARCH_ARM) ff_dcadsp_init_arm(s);
 }