1 files changed, 75 insertions, 0 deletions
diff --git a/ext/wavpack/gstwavpackcommon.h b/ext/wavpack/gstwavpackcommon.h
new file mode 100644
index 0000000..f4a81bf
--- /dev/null
+++ b/ext/wavpack/gstwavpackcommon.h
@@ -0,0 +1,75 @@
+/* GStreamer Wavpack plugin
+ * Copyright (c) 2005 Arwed v. Merkatz <v.merkatz@gmx.net>
+ * Copyright (c) 2006 Sebastian Dröge <slomo@circular-chaos.org>
+ *
+ * gstwavpackcommon.h: common helper functions
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __GST_WAVPACK_COMMON_H__
+#define __GST_WAVPACK_COMMON_H__
+
+#include <gst/gst.h>
+#include <gst/audio/audio.h>
+#include <wavpack/wavpack.h>
+
+typedef struct
+{
+  guint32 byte_length;
+  guint8 *data;
+  guint8 id;
+} GstWavpackMetadata;
+
+#define ID_UNIQUE               0x3f
+#define ID_OPTIONAL_DATA        0x20
+#define ID_ODD_SIZE             0x40
+#define ID_LARGE                0x80
+
+#define ID_DUMMY                0x0
+#define ID_ENCODER_INFO         0x1
+#define ID_DECORR_TERMS         0x2
+#define ID_DECORR_WEIGHTS       0x3
+#define ID_DECORR_SAMPLES       0x4
+#define ID_ENTROPY_VARS         0x5
+#define ID_HYBRID_PROFILE       0x6
+#define ID_SHAPING_WEIGHTS      0x7
+#define ID_FLOAT_INFO           0x8
+#define ID_INT32_INFO           0x9
+#define ID_WV_BITSTREAM         0xa
+#define ID_WVC_BITSTREAM        0xb
+#define ID_WVX_BITSTREAM        0xc
+#define ID_CHANNEL_INFO         0xd
+
+#define ID_RIFF_HEADER          (ID_OPTIONAL_DATA | 0x1)
+#define ID_RIFF_TRAILER         (ID_OPTIONAL_DATA | 0x2)
+#define ID_REPLAY_GAIN          (ID_OPTIONAL_DATA | 0x3)
+#define ID_CUESHEET             (ID_OPTIONAL_DATA | 0x4)
+#define ID_CONFIG_BLOCK         (ID_OPTIONAL_DATA | 0x5)
+#define ID_MD5_CHECKSUM         (ID_OPTIONAL_DATA | 0x6)
+#define ID_SAMPLE_RATE          (ID_OPTIONAL_DATA | 0x7)
+
+
+gboolean gst_wavpack_read_header (WavpackHeader * header, guint8 * buf);
+gboolean gst_wavpack_read_metadata (GstWavpackMetadata * meta,
+    guint8 * header_data, guint8 ** p_data);
+gint gst_wavpack_get_default_channel_mask (gint nchannels);
+gboolean gst_wavpack_get_channel_positions (gint nchannels, gint layout, GstAudioChannelPosition *pos);
+GstAudioChannelPosition *gst_wavpack_get_default_channel_positions (gint nchannels);
+gint gst_wavpack_get_channel_mask_from_positions (GstAudioChannelPosition *pos, gint nchannels);
+gboolean gst_wavpack_set_channel_mapping (GstAudioChannelPosition *pos, gint nchannels, gint8 *channel_mapping);
+
+#endif