avcodec: Add av_cold attributes to init functions missing them

[ffmpeg] / libavcodec / lagarithrac.c

diff --git a/libavcodec/lagarithrac.c b/libavcodec/lagarithrac.c
index 0cbc3b84dfcccb14ffa6c4980e4c26e34e806b63..edfb18fb746851f4c7dc83ee937976ef6de48535 100644 (file)
--- a/libavcodec/lagarithrac.c
+++ b/libavcodec/lagarithrac.c
@@ -3,25 +3,25 @@
  * Copyright (c) 2009 Nathan Caldwell <saintdev (at) gmail.com>
  * Copyright (c) 2009 David Conrad
  *
- * 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
  */
 
 /**
- * @file libavcodec/lagarithrac.c
+ * @file
  * Lagarith range decoder
  * @author Nathan Caldwell
  * @author David Conrad
@@ -30,17 +30,18 @@
 #include "get_bits.h"
 #include "lagarithrac.h"
 
-void lag_rac_init(lag_rac *l, GetBitContext *gb, int length)
+void ff_lag_rac_init(lag_rac *l, GetBitContext *gb, int length)
 {
-    int i, j;
+    int i, j, left;
 
     /* According to reference decoder "1st byte is garbage",
      * however, it gets skipped by the call to align_get_bits()
      */
     align_get_bits(gb);
+    left                = get_bits_left(gb) >> 3;
     l->bytestream_start =
     l->bytestream       = gb->buffer + get_bits_count(gb) / 8;
-    l->bytestream_end   = l->bytestream_start + length;
+    l->bytestream_end   = l->bytestream_start + FFMIN(length, left);
 
     l->range        = 0x80;
     l->low          = *l->bytestream >> 1;