audio_check: checker functions for audio_format attributes

These functions are a wrapper for audio_valid_X().  On error, they
return a GError object.

1 files changed, 54 insertions, 0 deletions

diff --git a/src/audio_check.h b/src/audio_check.h
new file mode 100644
index 000000000..a11fbe3d3
--- /dev/null
+++ b/src/audio_check.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2003-2009 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_AUDIO_CHECK_H
+#define MPD_AUDIO_CHECK_H
+
+#include <glib.h>
+#include <stdbool.h>
+
+struct audio_format;
+
+/**
+ * The GLib quark used for errors reported by this library.
+ */
+static inline GQuark
+audio_format_quark(void)
+{
+	return g_quark_from_static_string("audio_format");
+}
+
+bool
+audio_check_sample_rate(unsigned long sample_rate, GError **error_r);
+
+bool
+audio_check_sample_format(unsigned sample_format, GError **error_r);
+
+bool
+audio_check_channel_count(unsigned sample_format, GError **error_r);
+
+/**
+ * Wrapper for audio_format_init(), which checks all attributes.
+ */
+bool
+audio_format_init_checked(struct audio_format *af, unsigned long sample_rate,
+			  unsigned sample_format, unsigned channels,
+			  GError **error_r);
+
+#endif