dvbsubdec: check memory allocations and propagate errors

[ffmpeg] / libavcodec / acelp_filters.c

diff --git a/libavcodec/acelp_filters.c b/libavcodec/acelp_filters.c
index 0156d763fcf426f15c9a01834e515539a2ba4a93..93bec6589a48ab6aa0a492ac7507b28f587115b1 100644 (file)
--- a/libavcodec/acelp_filters.c
+++ b/libavcodec/acelp_filters.c
@@ -3,25 +3,26 @@
  *
  * Copyright (c) 2008 Vladimir Voroshilov
  *
- * 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 <inttypes.h>
 
+#include "libavutil/common.h"
 #include "avcodec.h"
 #include "acelp_filters.h"
 
@@ -114,7 +115,7 @@ void ff_acelp_high_pass_filter(int16_t* out, int hpf_f[2],
     }
 }
 
-void ff_acelp_apply_order_2_transfer_function(float *buf,
+void ff_acelp_apply_order_2_transfer_function(float *out, const float *in,
                                               const float zero_coeffs[2],
                                               const float pole_coeffs[2],
                                               float gain, float mem[2], int n)
@@ -123,8 +124,8 @@ void ff_acelp_apply_order_2_transfer_function(float *buf,
     float tmp;
 
     for (i = 0; i < n; i++) {
-        tmp = gain * buf[i] - pole_coeffs[0] * mem[0] - pole_coeffs[1] * mem[1];
-        buf[i] =        tmp + zero_coeffs[0] * mem[0] + zero_coeffs[1] * mem[1];
+        tmp = gain * in[i] - pole_coeffs[0] * mem[0] - pole_coeffs[1] * mem[1];
+        out[i] =       tmp + zero_coeffs[0] * mem[0] + zero_coeffs[1] * mem[1];
 
         mem[1] = mem[0];
         mem[0] = tmp;
@@ -142,4 +143,3 @@ void ff_tilt_compensation(float *mem, float tilt, float *samples, int size)
     samples[0] -= tilt * *mem;
     *mem = new_tilt_mem;
 }
-