1 /* GStreamer Wavpack plugin
2 * Copyright (c) 2005 Arwed v. Merkatz <v.merkatz@gmx.net>
3 * Copyright (c) 2006 Sebastian Dröge <slomo@circular-chaos.org>
5 * gstwavpackcommon.h: common helper functions
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
17 * You should have received a copy of the GNU Library General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
23 #ifndef __GST_WAVPACK_COMMON_H__
24 #define __GST_WAVPACK_COMMON_H__
27 #include <gst/audio/audio.h>
28 #include <wavpack/wavpack.h>
37 #define ID_UNIQUE 0x3f
38 #define ID_OPTIONAL_DATA 0x20
39 #define ID_ODD_SIZE 0x40
43 #define ID_ENCODER_INFO 0x1
44 #define ID_DECORR_TERMS 0x2
45 #define ID_DECORR_WEIGHTS 0x3
46 #define ID_DECORR_SAMPLES 0x4
47 #define ID_ENTROPY_VARS 0x5
48 #define ID_HYBRID_PROFILE 0x6
49 #define ID_SHAPING_WEIGHTS 0x7
50 #define ID_FLOAT_INFO 0x8
51 #define ID_INT32_INFO 0x9
52 #define ID_WV_BITSTREAM 0xa
53 #define ID_WVC_BITSTREAM 0xb
54 #define ID_WVX_BITSTREAM 0xc
55 #define ID_CHANNEL_INFO 0xd
57 #define ID_RIFF_HEADER (ID_OPTIONAL_DATA | 0x1)
58 #define ID_RIFF_TRAILER (ID_OPTIONAL_DATA | 0x2)
59 #define ID_REPLAY_GAIN (ID_OPTIONAL_DATA | 0x3)
60 #define ID_CUESHEET (ID_OPTIONAL_DATA | 0x4)
61 #define ID_CONFIG_BLOCK (ID_OPTIONAL_DATA | 0x5)
62 #define ID_MD5_CHECKSUM (ID_OPTIONAL_DATA | 0x6)
63 #define ID_SAMPLE_RATE (ID_OPTIONAL_DATA | 0x7)
66 gboolean gst_wavpack_read_header (WavpackHeader * header, guint8 * buf);
67 gboolean gst_wavpack_read_metadata (GstWavpackMetadata * meta,
68 guint8 * header_data, guint8 ** p_data);
69 gint gst_wavpack_get_default_channel_mask (gint nchannels);
70 gboolean gst_wavpack_get_channel_positions (gint nchannels, gint layout, GstAudioChannelPosition *pos);
71 GstAudioChannelPosition *gst_wavpack_get_default_channel_positions (gint nchannels);
72 gint gst_wavpack_get_channel_mask_from_positions (GstAudioChannelPosition *pos, gint nchannels);
73 gboolean gst_wavpack_set_channel_mapping (GstAudioChannelPosition *pos, gint nchannels, gint8 *channel_mapping);