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Diffstat (limited to 'plugins/demac/libdemac/parser.h')
| -rw-r--r-- | plugins/demac/libdemac/parser.h | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/plugins/demac/libdemac/parser.h b/plugins/demac/libdemac/parser.h deleted file mode 100644 index 0cfa665d..00000000 --- a/plugins/demac/libdemac/parser.h +++ /dev/null @@ -1,137 +0,0 @@ -/* - -libdemac - A Monkey's Audio decoder - -$Id: parser.h 19552 2008-12-21 23:49:02Z amiconn $ - -Copyright (C) Dave Chapman 2007 - -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. - -This program 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 General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA - -*/ - -#ifndef _APE_PARSER_H -#define _APE_PARSER_H - -#include <inttypes.h> -#include "demac_config.h" - -/* The earliest and latest file formats supported by this library */ -#define APE_MIN_VERSION 3970 -#define APE_MAX_VERSION 3990 - -#define MAC_FORMAT_FLAG_8_BIT 1 // is 8-bit [OBSOLETE] -#define MAC_FORMAT_FLAG_CRC 2 // uses the new CRC32 error detection [OBSOLETE] -#define MAC_FORMAT_FLAG_HAS_PEAK_LEVEL 4 // uint32 nPeakLevel after the header [OBSOLETE] -#define MAC_FORMAT_FLAG_24_BIT 8 // is 24-bit [OBSOLETE] -#define MAC_FORMAT_FLAG_HAS_SEEK_ELEMENTS 16 // has the number of seek elements after the peak level -#define MAC_FORMAT_FLAG_CREATE_WAV_HEADER 32 // create the wave header on decompression (not stored) - - -/* Special frame codes: - - MONO_SILENCE - All PCM samples in frame are zero (mono streams only) - LEFT_SILENCE - All PCM samples for left channel in frame are zero (stereo streams) - RIGHT_SILENCE - All PCM samples for left channel in frame are zero (stereo streams) - PSEUDO_STEREO - Left and Right channels are identical - -*/ - -#define APE_FRAMECODE_MONO_SILENCE 1 -#define APE_FRAMECODE_LEFT_SILENCE 1 /* same as mono */ -#define APE_FRAMECODE_RIGHT_SILENCE 2 -#define APE_FRAMECODE_STEREO_SILENCE 3 /* combined */ -#define APE_FRAMECODE_PSEUDO_STEREO 4 - -#define PREDICTOR_ORDER 8 -/* Total size of all predictor histories - 50 * sizeof(int32_t) */ -#define PREDICTOR_SIZE 50 - - -/* NOTE: This struct is used in predictor-arm.S - any updates need to - be reflected there. */ - -struct predictor_t -{ - /* Filter histories */ - int32_t* buf; - - int32_t YlastA; - int32_t XlastA; - - /* NOTE: The order of the next four fields is important for - predictor-arm.S */ - int32_t YfilterB; - int32_t XfilterA; - int32_t XfilterB; - int32_t YfilterA; - - /* Adaption co-efficients */ - int32_t YcoeffsA[4]; - int32_t XcoeffsA[4]; - int32_t YcoeffsB[5]; - int32_t XcoeffsB[5]; - int32_t historybuffer[PREDICTOR_HISTORY_SIZE + PREDICTOR_SIZE]; -}; - -struct ape_ctx_t -{ - /* Derived fields */ - uint32_t junklength; - uint32_t firstframe; - uint32_t totalsamples; - - /* Info from Descriptor Block */ - char magic[4]; - int16_t fileversion; - int16_t padding1; - uint32_t descriptorlength; - uint32_t headerlength; - uint32_t seektablelength; - uint32_t wavheaderlength; - uint32_t audiodatalength; - uint32_t audiodatalength_high; - uint32_t wavtaillength; - uint8_t md5[16]; - - /* Info from Header Block */ - uint16_t compressiontype; - uint16_t formatflags; - uint32_t blocksperframe; - uint32_t finalframeblocks; - uint32_t totalframes; - uint16_t bps; - uint16_t channels; - uint32_t samplerate; - - /* Seektable */ - uint32_t* seektable; /* Seektable buffer */ - uint32_t maxseekpoints; /* Max seekpoints we can store (size of seektable buffer) */ - uint32_t numseekpoints; /* Number of seekpoints */ - int seektablefilepos; /* Location in .ape file of seektable */ - - /* Decoder state */ - uint32_t CRC; - int frameflags; - int currentframeblocks; - int blocksdecoded; - struct predictor_t predictor; -}; - -int ape_parseheader(int fd, struct ape_ctx_t* ape_ctx); -int ape_parseheaderbuf(unsigned char* buf, struct ape_ctx_t* ape_ctx); -void ape_dumpinfo(struct ape_ctx_t* ape_ctx); - -#endif |