ac3enc: Add codec-specific options for writing AC-3 metadata.

[ffmpeg] / libavcodec / ac3enc_fixed.c

diff --git a/libavcodec/ac3enc_fixed.c b/libavcodec/ac3enc_fixed.c
index d1bb429ccc0d35a1aba309ea92bbb82831019fa3..967c7f0805d5766912cd5a6c51e0c64acf694df9 100644 (file)
--- a/libavcodec/ac3enc_fixed.c
+++ b/libavcodec/ac3enc_fixed.c
@@ -4,20 +4,20 @@
  * Copyright (c) 2006-2010 Justin Ruggles <justin.ruggles@gmail.com>
  * Copyright (c) 2006-2010 Prakash Punnoor <prakash@punnoor.de>
  *
- * 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
  */
 
@@ -252,15 +252,9 @@ static void mdct512(AC3MDCTContext *mdct, int32_t *out, int16_t *in)
  * Apply KBD window to input samples prior to MDCT.
  */
 static void apply_window(DSPContext *dsp, int16_t *output, const int16_t *input,
-                         const int16_t *window, int n)
+                         const int16_t *window, unsigned int len)
 {
-    int i;
-    int n2 = n >> 1;
-
-    for (i = 0; i < n2; i++) {
-        output[i]     = MUL16(input[i],     window[i]) >> 15;
-        output[n-i-1] = MUL16(input[n-i-1], window[i]) >> 15;
-    }
+    dsp->apply_window_int16(output, input, window, len);
 }
 
 
@@ -416,5 +410,6 @@ AVCodec ff_ac3_fixed_encoder = {
     NULL,
     .sample_fmts = (const enum AVSampleFormat[]){AV_SAMPLE_FMT_S16,AV_SAMPLE_FMT_NONE},
     .long_name = NULL_IF_CONFIG_SMALL("ATSC A/52A (AC-3)"),
+    .priv_class = &ac3enc_class,
     .channel_layouts = ac3_channel_layouts,
 };