/* 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