Buffer for get_bits must be padded because readers may overread.

[ffmpeg] / libavcodec / mpegaudio.h

diff --git a/libavcodec/mpegaudio.h b/libavcodec/mpegaudio.h
index f8abdce353e2493bb89c9eb6e36d85899e3bcee5..3eadf92a8157b675fc04cc6d913e5f5d151c2e91 100644 (file)
--- a/libavcodec/mpegaudio.h
+++ b/libavcodec/mpegaudio.h
@@ -1,3 +1,23 @@
+/*
+ * copyright (c) 2001 Fabrice Bellard
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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,
+ * 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
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
 /**
  * @file mpegaudio.h
  * mpeg audio declarations for both encoder and decoder.
@@ -52,10 +72,10 @@ typedef int32_t MPA_INT;
 #endif
 
 int l2_select_table(int bitrate, int nb_channels, int freq, int lsf);
-int mpa_decode_header(AVCodecContext *avctx, uint32_t head);
+int mpa_decode_header(AVCodecContext *avctx, uint32_t head, int *sample_rate);
 void ff_mpa_synth_init(MPA_INT *window);
 void ff_mpa_synth_filter(MPA_INT *synth_buf_ptr, int *synth_buf_offset,
-                        MPA_INT *window, int *dither_state,
+                         MPA_INT *window, int *dither_state,
                          OUT_INT *samples, int incr,
                          int32_t sb_samples[SBLIMIT]);