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Side by Side Diff: patched-ffmpeg-mt/libavformat/apetag.c

Issue 789004: ffmpeg roll of source to mar 9 version... (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/ffmpeg/
Patch Set: '' Created 10 years, 9 months ago
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1 /* 1 /*
2 * APE tag handling 2 * APE tag handling
3 * Copyright (c) 2007 Benjamin Zores <ben@geexbox.org> 3 * Copyright (c) 2007 Benjamin Zores <ben@geexbox.org>
4 * based upon libdemac from Dave Chapman. 4 * based upon libdemac from Dave Chapman.
5 * 5 *
6 * This file is part of FFmpeg. 6 * This file is part of FFmpeg.
7 * 7 *
8 * FFmpeg is free software; you can redistribute it and/or 8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public 9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either 10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version. 11 * version 2.1 of the License, or (at your option) any later version.
12 * 12 *
13 * FFmpeg is distributed in the hope that it will be useful, 13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details. 16 * Lesser General Public License for more details.
17 * 17 *
18 * You should have received a copy of the GNU Lesser General Public 18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software 19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */ 21 */
22 22
23 #include "libavutil/intreadwrite.h" 23 #include "libavutil/intreadwrite.h"
24 #include "avformat.h" 24 #include "avformat.h"
25 #include "apetag.h"
25 26
26 #define ENABLE_DEBUG 0 27 #define ENABLE_DEBUG 0
27 28
28 #define APE_TAG_VERSION 2000 29 #define APE_TAG_VERSION 2000
29 #define APE_TAG_FOOTER_BYTES 32 30 #define APE_TAG_FOOTER_BYTES 32
30 #define APE_TAG_FLAG_CONTAINS_HEADER (1 << 31) 31 #define APE_TAG_FLAG_CONTAINS_HEADER (1 << 31)
31 #define APE_TAG_FLAG_IS_HEADER (1 << 29) 32 #define APE_TAG_FLAG_IS_HEADER (1 << 29)
32 33
33 static int ape_tag_read_field(AVFormatContext *s) 34 static int ape_tag_read_field(AVFormatContext *s)
34 { 35 {
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102 if (val & APE_TAG_FLAG_IS_HEADER) { 103 if (val & APE_TAG_FLAG_IS_HEADER) {
103 av_log(s, AV_LOG_ERROR, "APE Tag is a header\n"); 104 av_log(s, AV_LOG_ERROR, "APE Tag is a header\n");
104 return; 105 return;
105 } 106 }
106 107
107 url_fseek(pb, file_size - tag_bytes, SEEK_SET); 108 url_fseek(pb, file_size - tag_bytes, SEEK_SET);
108 109
109 for (i=0; i<fields; i++) 110 for (i=0; i<fields; i++)
110 if (ape_tag_read_field(s) < 0) break; 111 if (ape_tag_read_field(s) < 0) break;
111 } 112 }
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