Huge Windows utf8 I/O patch.
[platform/upstream/flac.git] / src / flac / iffscan.c
1 /* iffscan - Simple AIFF/RIFF chunk scanner
2  * Copyright (C) 2007,2008,2009  Josh Coalson
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License along
15  * with this program; if not, write to the Free Software Foundation, Inc.,
16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
17  */
18
19 #if HAVE_CONFIG_H
20 #  include <config.h>
21 #endif
22
23 #include <stdio.h>
24 #include <stdlib.h>
25 #include <string.h>
26 #include "share/compat.h"
27 #include "foreign_metadata.h"
28
29 static FLAC__uint32 unpack32be_(const FLAC__byte *b)
30 {
31         return ((FLAC__uint32)b[0]<<24) + ((FLAC__uint32)b[1]<<16) + ((FLAC__uint32)b[2]<<8) + (FLAC__uint32)b[3];
32 }
33
34 static FLAC__uint32 unpack32le_(const FLAC__byte *b)
35 {
36         return (FLAC__uint32)b[0] + ((FLAC__uint32)b[1]<<8) + ((FLAC__uint32)b[2]<<16) + ((FLAC__uint32)b[3]<<24);
37 }
38
39 static FLAC__uint64 unpack64le_(const FLAC__byte *b)
40 {
41         return (FLAC__uint64)b[0] + ((FLAC__uint64)b[1]<<8) + ((FLAC__uint64)b[2]<<16) + ((FLAC__uint64)b[3]<<24) + ((FLAC__uint64)b[4]<<32) + ((FLAC__uint64)b[5]<<40) + ((FLAC__uint64)b[6]<<48) + ((FLAC__uint64)b[7]<<56);
42 }
43
44 static FLAC__uint32 unpack32_(const FLAC__byte *b, foreign_block_type_t type)
45 {
46         if(type == FOREIGN_BLOCK_TYPE__AIFF)
47                 return unpack32be_(b);
48         else
49                 return unpack32le_(b);
50 }
51
52 int main(int argc, char *argv[])
53 {
54         FILE *f;
55         char buf[36];
56         foreign_metadata_t *fm;
57         const char *fn, *error;
58         size_t i;
59         FLAC__uint32 size;
60
61 #ifdef FLAC__STRINGS_IN_UTF8
62         if (get_utf8_argv(&argc, &argv) != 0) {
63                 fprintf(stderr, "%ERROR: failed to convert command line parameters to UTF-8\n");
64                 return 1;
65         }
66 #endif
67
68         if(argc != 2) {
69                 flac_fprintf(stderr, "usage: %s { file.wav | file.aif }\n", argv[0]);
70                 return 1;
71         }
72         fn = argv[1];
73         if(0 == (f = flac_fopen(fn, "rb")) || fread(buf, 1, 4, f) != 4) {
74                 flac_fprintf(stderr, "ERROR opening %s for reading\n", fn);
75                 return 1;
76         }
77         fclose(f);
78         if(0 == (fm = flac__foreign_metadata_new(memcmp(buf, "RIFF", 4) && memcmp(buf, "RF64", 4)? FOREIGN_BLOCK_TYPE__AIFF : FOREIGN_BLOCK_TYPE__RIFF))) {
79                 flac_fprintf(stderr, "ERROR: out of memory\n");
80                 return 1;
81         }
82         if(fm->type == FOREIGN_BLOCK_TYPE__AIFF) {
83                 if(!flac__foreign_metadata_read_from_aiff(fm, fn, &error)) {
84                         flac_fprintf(stderr, "ERROR reading chunks from %s: %s\n", fn, error);
85                         return 1;
86                 }
87         }
88         else {
89                 if(!flac__foreign_metadata_read_from_wave(fm, fn, &error)) {
90                         flac_fprintf(stderr, "ERROR reading chunks from %s: %s\n", fn, error);
91                         return 1;
92                 }
93         }
94         if(0 == (f = flac_fopen(fn, "rb"))) {
95                 flac_fprintf(stderr, "ERROR opening %s for reading\n", fn);
96                 return 1;
97         }
98         for(i = 0; i < fm->num_blocks; i++) {
99                 if(fseeko(f, fm->blocks[i].offset, SEEK_SET) < 0) {
100                         flac_fprintf(stderr, "ERROR seeking in %s\n", fn);
101                         return 1;
102                 }
103                 if(fread(buf, 1, i==0?12:8, f) != (i==0?12:8)) {
104                         flac_fprintf(stderr, "ERROR reading %s\n", fn);
105                         return 1;
106                 }
107                 size = unpack32_((const FLAC__byte*)buf+4, fm->type);
108                 printf("block:[%c%c%c%c] size=%08x=(%10u)", buf[0], buf[1], buf[2], buf[3], size, size);
109                 if(i == 0)
110                         printf(" type:[%c%c%c%c]", buf[8], buf[9], buf[10], buf[11]);
111                 else if(fm->type == FOREIGN_BLOCK_TYPE__AIFF && i == fm->audio_block)
112                         printf(" offset size=%08x=(%10u)", fm->ssnd_offset_size, fm->ssnd_offset_size);
113                 else if(fm->type == FOREIGN_BLOCK_TYPE__RIFF && i == 1 && !memcmp(buf, "ds64", 4)) {
114                         if(fread(buf+8, 1, 36-8, f) != 36-8) {
115                                 flac_fprintf(stderr, "ERROR reading %s\n", fn);
116                                 return 1;
117                         }
118                         printf(" RIFF size=%016" PRIx64 "=(" PRIu64 ")", unpack64le_(buf+8), unpack64le_(buf+8));
119                         printf(" data size=%016" PRIx64 "=(" PRIu64 ")", unpack64le_(buf+16), unpack64le_(buf+16));
120                         printf(" sample count=%016" PRIx64 "=(" PRIu64 ")", unpack64le_(buf+24), unpack64le_(buf+24));
121                         printf(" table size=%08x=(%u)", unpack32le_(buf+32), unpack32le_(buf+32));
122                 }
123                 printf("\n");
124         }
125         fclose(f);
126         flac__foreign_metadata_delete(fm);
127         return 0;
128 }