pcm_convert: support the DSD format

1 files changed, 52 insertions, 0 deletions

diff --git a/src/pcm_dsd.h b/src/pcm_dsd.h
new file mode 100644
index 00000000..85c2455a
--- /dev/null
+++ b/src/pcm_dsd.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2003-2012 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_PCM_DSD_H
+#define MPD_PCM_DSD_H
+
+#include "check.h"
+#include "pcm_buffer.h"
+
+#include <stdbool.h>
+#include <stdint.h>
+
+/**
+ * Wrapper for the dsd2pcm library.
+ */
+struct pcm_dsd {
+	struct pcm_buffer buffer;
+
+	struct dsd2pcm_ctx_s *dsd2pcm[32];
+};
+
+void
+pcm_dsd_init(struct pcm_dsd *dsd);
+
+void
+pcm_dsd_deinit(struct pcm_dsd *dsd);
+
+void
+pcm_dsd_reset(struct pcm_dsd *dsd);
+
+const float *
+pcm_dsd_to_float(struct pcm_dsd *dsd, unsigned channels, bool lsbfirst,
+		 const uint8_t *src, size_t src_size,
+		 size_t *dest_size_r);
+
+#endif