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Diffstat (limited to '3rdparty/libflac/src/flac/iffscan.c')
-rw-r--r--3rdparty/libflac/src/flac/iffscan.c112
1 files changed, 112 insertions, 0 deletions
diff --git a/3rdparty/libflac/src/flac/iffscan.c b/3rdparty/libflac/src/flac/iffscan.c
new file mode 100644
index 00000000000..d03b65bc8b9
--- /dev/null
+++ b/3rdparty/libflac/src/flac/iffscan.c
@@ -0,0 +1,112 @@
+/* iffscan - Simple AIFF/RIFF chunk scanner
+ * Copyright (C) 2007 Josh Coalson
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#if defined _MSC_VER || defined __MINGW32__
+#include <sys/types.h> /* for off_t */
+#if _MSC_VER <= 1600 /* @@@ [2G limit] */
+#define fseeko fseek
+#define ftello ftell
+#endif
+#endif
+#include "foreign_metadata.h"
+
+static FLAC__uint32 unpack32be_(const FLAC__byte *b)
+{
+ return ((FLAC__uint32)b[0]<<24) + ((FLAC__uint32)b[1]<<16) + ((FLAC__uint32)b[2]<<8) + (FLAC__uint32)b[3];
+}
+
+static FLAC__uint32 unpack32le_(const FLAC__byte *b)
+{
+ return (FLAC__uint32)b[0] + ((FLAC__uint32)b[1]<<8) + ((FLAC__uint32)b[2]<<16) + ((FLAC__uint32)b[3]<<24);
+}
+
+static FLAC__uint32 unpack32_(const FLAC__byte *b, foreign_block_type_t type)
+{
+ if(type == FOREIGN_BLOCK_TYPE__AIFF)
+ return unpack32be_(b);
+ else
+ return unpack32le_(b);
+}
+
+int main(int argc, char *argv[])
+{
+ FILE *f;
+ char buf[12];
+ foreign_metadata_t *fm;
+ const char *fn, *error;
+ size_t i;
+ FLAC__uint32 size;
+
+ if(argc != 2) {
+ fprintf(stderr, "usage: %s { file.wav | file.aif }\n", argv[0]);
+ return 1;
+ }
+ fn = argv[1];
+ if(0 == (f = fopen(fn, "rb")) || fread(buf, 1, 4, f) != 4) {
+ fprintf(stderr, "ERROR opening %s for reading\n", fn);
+ return 1;
+ }
+ fclose(f);
+ if(0 == (fm = flac__foreign_metadata_new(memcmp(buf, "RIFF", 4)? FOREIGN_BLOCK_TYPE__AIFF : FOREIGN_BLOCK_TYPE__RIFF))) {
+ fprintf(stderr, "ERROR: out of memory\n");
+ return 1;
+ }
+ if(fm->type == FOREIGN_BLOCK_TYPE__AIFF) {
+ if(!flac__foreign_metadata_read_from_aiff(fm, fn, &error)) {
+ fprintf(stderr, "ERROR reading chunks from %s: %s\n", fn, error);
+ return 1;
+ }
+ }
+ else {
+ if(!flac__foreign_metadata_read_from_wave(fm, fn, &error)) {
+ fprintf(stderr, "ERROR reading chunks from %s: %s\n", fn, error);
+ return 1;
+ }
+ }
+ if(0 == (f = fopen(fn, "rb"))) {
+ fprintf(stderr, "ERROR opening %s for reading\n", fn);
+ return 1;
+ }
+ for(i = 0; i < fm->num_blocks; i++) {
+ if(fseeko(f, fm->blocks[i].offset, SEEK_SET) < 0) {
+ fprintf(stderr, "ERROR seeking in %s\n", fn);
+ return 1;
+ }
+ if(fread(buf, 1, 12, f) != 12) {
+ fprintf(stderr, "ERROR reading %s\n", fn);
+ return 1;
+ }
+ size = unpack32_((const FLAC__byte*)buf+4, fm->type);
+ printf("block:[%c%c%c%c] size=%08x=(%10u)", buf[0], buf[1], buf[2], buf[3], size, size);
+ if(i == 0)
+ printf(" type:[%c%c%c%c]", buf[8], buf[9], buf[10], buf[11]);
+ else if(fm->type == FOREIGN_BLOCK_TYPE__AIFF && i == fm->audio_block)
+ printf(" offset size=%08x=(%10u)", fm->ssnd_offset_size, fm->ssnd_offset_size);
+ printf("\n");
+ }
+ fclose(f);
+ flac__foreign_metadata_delete(fm);
+ return 0;
+}