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75 lines
2.8 KiB
C
75 lines
2.8 KiB
C
/* GStreamer Wavpack plugin
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* Copyright (c) 2005 Arwed v. Merkatz <v.merkatz@gmx.net>
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* Copyright (c) 2006 Sebastian Dröge <slomo@circular-chaos.org>
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*
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* gstwavpackcommon.h: common helper functions
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_WAVPACK_COMMON_H__
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#define __GST_WAVPACK_COMMON_H__
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#include <gst/gst.h>
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#include <gst/audio/audio.h>
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#include <wavpack/wavpack.h>
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typedef struct
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{
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guint32 byte_length;
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guint8 *data;
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guint8 id;
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} GstWavpackMetadata;
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#define ID_UNIQUE 0x3f
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#define ID_OPTIONAL_DATA 0x20
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#define ID_ODD_SIZE 0x40
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#define ID_LARGE 0x80
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#define ID_DUMMY 0x0
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#define ID_ENCODER_INFO 0x1
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#define ID_DECORR_TERMS 0x2
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#define ID_DECORR_WEIGHTS 0x3
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#define ID_DECORR_SAMPLES 0x4
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#define ID_ENTROPY_VARS 0x5
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#define ID_HYBRID_PROFILE 0x6
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#define ID_SHAPING_WEIGHTS 0x7
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#define ID_FLOAT_INFO 0x8
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#define ID_INT32_INFO 0x9
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#define ID_WV_BITSTREAM 0xa
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#define ID_WVC_BITSTREAM 0xb
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#define ID_WVX_BITSTREAM 0xc
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#define ID_CHANNEL_INFO 0xd
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#define ID_RIFF_HEADER (ID_OPTIONAL_DATA | 0x1)
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#define ID_RIFF_TRAILER (ID_OPTIONAL_DATA | 0x2)
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#define ID_REPLAY_GAIN (ID_OPTIONAL_DATA | 0x3)
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#define ID_CUESHEET (ID_OPTIONAL_DATA | 0x4)
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#define ID_CONFIG_BLOCK (ID_OPTIONAL_DATA | 0x5)
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#define ID_MD5_CHECKSUM (ID_OPTIONAL_DATA | 0x6)
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#define ID_SAMPLE_RATE (ID_OPTIONAL_DATA | 0x7)
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gboolean gst_wavpack_read_header (WavpackHeader * header, guint8 * buf);
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gboolean gst_wavpack_read_metadata (GstWavpackMetadata * meta,
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guint8 * header_data, guint8 ** p_data);
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gint gst_wavpack_get_default_channel_mask (gint nchannels);
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gboolean gst_wavpack_get_channel_positions (gint nchannels, gint layout, GstAudioChannelPosition *pos);
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GstAudioChannelPosition *gst_wavpack_get_default_channel_positions (gint nchannels);
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gint gst_wavpack_get_channel_mask_from_positions (GstAudioChannelPosition *pos, gint nchannels);
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gboolean gst_wavpack_set_channel_mapping (GstAudioChannelPosition *pos, gint nchannels, gint8 *channel_mapping);
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#endif
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