--- /dev/null
+/*
+ * This file is part of DisOrder.
+ * Copyright (C) 2004, 2005, 2007 Richard Kettlewell
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+/** @file plugins/tracklength-wav.c
+ * @brief Compute track lengths for WAV files
+ */
+#include "tracklength.h"
+#include "wav.h"
+
+long tl_wav(const char *path) {
+ struct wavfile f[1];
+ int err, sample_frame_size;
+ long duration;
+
+ if((err = wav_init(f, path))) {
+ disorder_error(err, "error opening %s", path);
+ return -1;
+ }
+ sample_frame_size = (f->bits + 7) / 8 * f->channels;
+ if(sample_frame_size) {
+ const long long n_samples = f->datasize / sample_frame_size;
+ duration = (n_samples + f->rate - 1) / f->rate;
+ } else
+ duration = -1;
+ wav_destroy(f);
+ return duration;
+}
+
+/*
+Local Variables:
+c-basic-offset:2
+comment-column:40
+fill-column:79
+End:
+*/