1 /* GStreamer Wavpack parser
2 * Copyright (C) 2012 Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk>
3 * Copyright (C) 2012 Nokia Corporation. All rights reserved.
4 * Contact: Stefan Kost <stefan.kost@nokia.com>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
22 #ifndef __GST_WAVPACK_PARSE_H__
23 #define __GST_WAVPACK_PARSE_H__
26 #include <gst/base/gstbaseparse.h>
30 #define GST_TYPE_WAVPACK_PARSE \
31 (gst_wavpack_parse_get_type())
32 #define GST_WAVPACK_PARSE(obj) \
33 (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_WAVPACK_PARSE, GstWavpackParse))
34 #define GST_WAVPACK_PARSE_CLASS(klass) \
35 (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_WAVPACK_PARSE, GstWavpackParseClass))
36 #define GST_IS_WAVPACK_PARSE(obj) \
37 (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_WAVPACK_PARSE))
38 #define GST_IS_WAVPACK_PARSE_CLASS(klass) \
39 (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_WAVPACK_PARSE))
42 #define ID_UNIQUE 0x3f
43 #define ID_OPTIONAL_DATA 0x20
44 #define ID_ODD_SIZE 0x40
48 #define ID_ENCODER_INFO 0x1
49 #define ID_DECORR_TERMS 0x2
50 #define ID_DECORR_WEIGHTS 0x3
51 #define ID_DECORR_SAMPLES 0x4
52 #define ID_ENTROPY_VARS 0x5
53 #define ID_HYBRID_PROFILE 0x6
54 #define ID_SHAPING_WEIGHTS 0x7
55 #define ID_FLOAT_INFO 0x8
56 #define ID_INT32_INFO 0x9
57 #define ID_WV_BITSTREAM 0xa
58 #define ID_WVC_BITSTREAM 0xb
59 #define ID_WVX_BITSTREAM 0xc
60 #define ID_CHANNEL_INFO 0xd
62 #define ID_RIFF_HEADER (ID_OPTIONAL_DATA | 0x1)
63 #define ID_RIFF_TRAILER (ID_OPTIONAL_DATA | 0x2)
64 #define ID_REPLAY_GAIN (ID_OPTIONAL_DATA | 0x3)
65 #define ID_CUESHEET (ID_OPTIONAL_DATA | 0x4)
66 #define ID_CONFIG_BLOCK (ID_OPTIONAL_DATA | 0x5)
67 #define ID_MD5_CHECKSUM (ID_OPTIONAL_DATA | 0x6)
68 #define ID_SAMPLE_RATE (ID_OPTIONAL_DATA | 0x7)
70 #define FLAG_FINAL_BLOCK (1 << 12)
73 char ckID [4]; /* "wvpk" */
74 guint32 ckSize; /* size of entire block (minus 8, of course) */
75 guint16 version; /* 0x402 to 0x410 are currently valid for decode */
76 guchar track_no; /* track number (0 if not used, like now) */
77 guchar index_no; /* track sub-index (0 if not used, like now) */
78 guint32 total_samples; /* total samples for entire file, but this is
79 * only valid if block_index == 0 and a value of
80 * -1 indicates unknown length */
81 guint32 block_index; /* index of first sample in block relative to
82 * beginning of file (normally this would start
83 * at 0 for the first block) */
84 guint32 block_samples; /* number of samples in this block (0 = no audio) */
85 guint32 flags; /* various flags for id and decoding */
86 guint32 crc; /* crc for actual decoded data */
97 typedef struct _GstWavpackParse GstWavpackParse;
98 typedef struct _GstWavpackParseClass GstWavpackParseClass;
103 * The opaque GstWavpackParse object
105 struct _GstWavpackParse {
106 GstBaseParse baseparse;
116 gboolean sent_codec_tag;
120 * GstWavpackParseClass:
121 * @parent_class: Element parent class.
123 * The opaque GstWavpackParseClass data structure.
125 struct _GstWavpackParseClass {
126 GstBaseParseClass baseparse_class;
129 GType gst_wavpack_parse_get_type (void);
133 #endif /* __GST_WAVPACK_PARSE_H__ */