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authorMax Kellermann <max@duempel.org>2012-10-04 07:09:31 +0200
committerMax Kellermann <max@duempel.org>2012-10-04 10:37:09 +0200
commitb8fdb452be9d79492b4bff84d2990cfcb1da282b (patch)
tree5353ba8365f4d4e3b19bfc78241343eac2637954 /src/decoder/FLACIOHandle.hxx
parent6b416ce6be840dcd62aadb70817be602b5a73946 (diff)
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decoder/flac: support FLAC files inside archives
Implement the "scan_stream" method that can read tags from any input_stream object. This requires a FLAC__IOCallbacks implementation based on the input_stream API.
Diffstat (limited to 'src/decoder/FLACIOHandle.hxx')
-rw-r--r--src/decoder/FLACIOHandle.hxx48
1 files changed, 48 insertions, 0 deletions
diff --git a/src/decoder/FLACIOHandle.hxx b/src/decoder/FLACIOHandle.hxx
new file mode 100644
index 000000000..193a15ef5
--- /dev/null
+++ b/src/decoder/FLACIOHandle.hxx
@@ -0,0 +1,48 @@
+/*
+ * 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_FLAC_IO_HANDLE_HXX
+#define MPD_FLAC_IO_HANDLE_HXX
+
+#include "gcc.h"
+
+extern "C" {
+#include "input_stream.h"
+}
+
+#include <FLAC/callback.h>
+
+extern const FLAC__IOCallbacks flac_io_callbacks;
+extern const FLAC__IOCallbacks flac_io_callbacks_seekable;
+
+static inline FLAC__IOHandle
+ToFLACIOHandle(input_stream *is)
+{
+ return (FLAC__IOHandle)is;
+}
+
+static inline const FLAC__IOCallbacks &
+GetFLACIOCallbacks(const input_stream *is)
+{
+ return is->seekable
+ ? flac_io_callbacks_seekable
+ : flac_io_callbacks;
+}
+
+#endif