Ignore blocks with no samples and flags (but usually with MD5 sum)

[ffmpeg] / libavcodec / bitstream.c

diff --git a/libavcodec/bitstream.c b/libavcodec/bitstream.c
index 9d1b32bf4e6df57dc2b7b3c6563c9d3717e089de..22d256df51a7be4737350aa3a49c73bd33f69dd5 100644 (file)
--- a/libavcodec/bitstream.c
+++ b/libavcodec/bitstream.c
@@ -3,19 +3,21 @@
  * Copyright (c) 2000, 2001 Fabrice Bellard.
  * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
  *
- * This library is free software; you can redistribute it and/or
+ * 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 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
  *
- * This library is distributed in the hope that it will be useful,
+ * 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 this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  *
  * alternative bitstream reader & writer by Michael Niedermayer <michaelni@gmx.at>
  */
@@ -47,47 +49,6 @@ void ff_put_string(PutBitContext * pbc, char *s, int put_zero)
         put_bits(pbc, 8, 0);
 }
 
-/* bit input functions */
-
-/**
- * reads 0-32 bits.
- */
-unsigned int get_bits_long(GetBitContext *s, int n){
-    if(n<=17) return get_bits(s, n);
-    else{
-        int ret= get_bits(s, 16) << (n-16);
-        return ret | get_bits(s, n-16);
-    }
-}
-
-/**
- * shows 0-32 bits.
- */
-unsigned int show_bits_long(GetBitContext *s, int n){
-    if(n<=17) return show_bits(s, n);
-    else{
-        GetBitContext gb= *s;
-        int ret= get_bits_long(s, n);
-        *s= gb;
-        return ret;
-    }
-}
-
-void align_get_bits(GetBitContext *s)
-{
-    int n= (-get_bits_count(s)) & 7;
-    if(n) skip_bits(s, n);
-}
-
-int check_marker(GetBitContext *s, const char *msg)
-{
-    int bit= get_bits1(s);
-    if(!bit)
-           av_log(NULL, AV_LOG_INFO, "Marker bit missing %s\n", msg);
-
-    return bit;
-}
-
 /* VLC decoding */
 
 //#define DEBUG_VLC