mirror of
https://github.com/ZDoom/zdoom-macos-deps.git
synced 2024-11-24 21:01:59 +00:00
195 lines
7.2 KiB
C
195 lines
7.2 KiB
C
/*
|
|
* libInstPatch
|
|
* Copyright (C) 1999-2014 Element Green <element@elementsofsound.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public License
|
|
* as published by the Free Software Foundation; version 2.1
|
|
* of the License only.
|
|
*
|
|
* 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 Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
|
* 02110-1301, USA or on the web at http://www.gnu.org.
|
|
*/
|
|
#ifndef __IPATCH_RIFF_H__
|
|
#define __IPATCH_RIFF_H__
|
|
|
|
#include <glib.h>
|
|
#include <libinstpatch/IpatchFile.h>
|
|
|
|
typedef struct _IpatchRiff IpatchRiff;
|
|
typedef struct _IpatchRiffClass IpatchRiffClass;
|
|
typedef struct _IpatchRiffChunk IpatchRiffChunk;
|
|
|
|
#define IPATCH_TYPE_RIFF (ipatch_riff_get_type ())
|
|
#define IPATCH_RIFF(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST ((obj), IPATCH_TYPE_RIFF, IpatchRiff))
|
|
#define IPATCH_RIFF_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST ((klass), IPATCH_TYPE_RIFF, IpatchRiffClass))
|
|
#define IPATCH_IS_RIFF(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), IPATCH_TYPE_RIFF))
|
|
#define IPATCH_IS_RIFF_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE ((klass), IPATCH_TYPE_RIFF))
|
|
|
|
typedef enum
|
|
{
|
|
IPATCH_RIFF_STATUS_FAIL = 0, /* error occured */
|
|
IPATCH_RIFF_STATUS_BEGIN, /* parsing has not yet began */
|
|
IPATCH_RIFF_STATUS_FINISHED, /* no more parsing to be done */
|
|
IPATCH_RIFF_STATUS_NORMAL, /* normal status */
|
|
IPATCH_RIFF_STATUS_CHUNK_END /* end of a chunk */
|
|
} IpatchRiffStatus;
|
|
|
|
typedef enum
|
|
{
|
|
IPATCH_RIFF_READ,
|
|
IPATCH_RIFF_WRITE
|
|
} IpatchRiffMode;
|
|
|
|
/* RIFF object */
|
|
struct _IpatchRiff
|
|
{
|
|
GObject parent_instance; /* derived from GObject */
|
|
|
|
IpatchRiffStatus status; /* current status */
|
|
IpatchRiffMode mode; /* I/O mode (read/write) */
|
|
guint flags; /* some flags */
|
|
IpatchFileHandle *handle; /* file object being parsed */
|
|
|
|
GError *err; /* error information if status == IPATCH_RIFF_FAIL */
|
|
char *msg_detail; /* last generated message detail string */
|
|
|
|
GArray *chunks; /* chunk trail (IpatchRiffChunk structures) */
|
|
GList *state_stack; /* saved states (positions) */
|
|
};
|
|
|
|
/* RIFF class */
|
|
struct _IpatchRiffClass
|
|
{
|
|
GObjectClass parent_class;
|
|
};
|
|
|
|
#define IPATCH_RIFF_NEED_SWAP(riff) IPATCH_FILE_NEED_SWAP (riff->handle->file)
|
|
#define IPATCH_RIFF_BIG_ENDIAN(riff) IPATCH_FILE_BIG_ENDIAN (riff->handle->file)
|
|
|
|
typedef enum
|
|
{
|
|
IPATCH_RIFF_CHUNK_RIFF, /* toplevel "RIFF" (or "RIFX") list chunk */
|
|
IPATCH_RIFF_CHUNK_LIST, /* a "LIST" chunk */
|
|
IPATCH_RIFF_CHUNK_SUB /* a sub chunk */
|
|
} IpatchRiffChunkType;
|
|
|
|
/* structure describing a RIFF chunk */
|
|
struct _IpatchRiffChunk
|
|
{
|
|
IpatchRiffChunkType type; /* type of chunk */
|
|
guint32 id; /* chunk ID in integer format for easy comparison */
|
|
char idstr[4]; /* four character chunk ID string */
|
|
gint32 position; /* current position in chunk (read or write mode) */
|
|
guint32 size; /* size of chunk (read mode only) */
|
|
guint32 filepos; /* Position in file object of chunk data */
|
|
};
|
|
|
|
/* error domain for g_set_error */
|
|
#define IPATCH_RIFF_ERROR ipatch_riff_error_quark()
|
|
|
|
typedef enum
|
|
{
|
|
IPATCH_RIFF_ERROR_NOT_RIFF, /* not a RIFF file */
|
|
IPATCH_RIFF_ERROR_UNEXPECTED_ID, /* unexpected chunk ID */
|
|
IPATCH_RIFF_ERROR_UNEXPECTED_CHUNK_END, /* unexpected LIST chunk end */
|
|
IPATCH_RIFF_ERROR_INVALID_ID, /* invalid chunk FOURCC ID */
|
|
IPATCH_RIFF_ERROR_ODD_SIZE, /* chunk size is ODD */
|
|
IPATCH_RIFF_ERROR_SIZE_EXCEEDED, /* chunk size exceeded */
|
|
|
|
/* convenience errors - not used by the riff object itself */
|
|
IPATCH_RIFF_ERROR_SIZE_MISMATCH, /* chunk size mismatch */
|
|
IPATCH_RIFF_ERROR_INVALID_DATA /* generic invalid data error */
|
|
} IpatchRiffError;
|
|
|
|
/* macro to convert 4 char RIFF ids to a guint32 integer for comparisons */
|
|
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
|
|
#define IPATCH_FOURCC(c1, c2, c3, c4) \
|
|
((guint32)(c1) | ((guint32)(c2) << 8) | ((guint32)(c3) << 16) \
|
|
| ((guint32)(c4) << 24))
|
|
#elif G_BYTE_ORDER == G_BIG_ENDIAN
|
|
#define IPATCH_FOURCC(c1, c2, c3, c4) \
|
|
((guint32)(c4) | ((guint32)(c3) << 8) | ((guint32)(c2) << 16) \
|
|
| ((guint32)(c1) << 24))
|
|
#else
|
|
#error Processor not big or little endian?
|
|
#endif
|
|
|
|
/* RIFF chunk FOURCC guint32 integers */
|
|
#define IPATCH_FOURCC_RIFF IPATCH_FOURCC ('R','I','F','F')
|
|
#define IPATCH_FOURCC_RIFX IPATCH_FOURCC ('R','I','F','X') /* big endian */
|
|
#define IPATCH_FOURCC_LIST IPATCH_FOURCC ('L','I','S','T')
|
|
|
|
/**
|
|
* IPATCH_RIFF_HEADER_SIZE: (skip)
|
|
*/
|
|
#define IPATCH_RIFF_HEADER_SIZE 8 /* size of RIFF chunk headers (ID + size) */
|
|
|
|
/**
|
|
* IPATCH_RIFF_FOURCC_SIZE: (skip)
|
|
*/
|
|
#define IPATCH_RIFF_FOURCC_SIZE 4 /* RIFF FOURCC ID size */
|
|
|
|
/**
|
|
* IPATCH_RIFF_LIST_HEADER_SIZE: (skip)
|
|
*/
|
|
/* chunk header + 4 character list type */
|
|
#define IPATCH_RIFF_LIST_HEADER_SIZE \
|
|
(IPATCH_RIFF_HEADER_SIZE + IPATCH_RIFF_FOURCC_SIZE)
|
|
|
|
/* some RIFF WAVE file specific defines */
|
|
/**
|
|
* IPATCH_RIFF_WAVE_FMT_PCM: (skip)
|
|
*/
|
|
#define IPATCH_RIFF_WAVE_FMT_PCM 0x1
|
|
|
|
/**
|
|
* IPATCH_RIFF_WAVE_FMT_FLOAT: (skip)
|
|
*/
|
|
#define IPATCH_RIFF_WAVE_FMT_FLOAT 0x3
|
|
|
|
GType ipatch_riff_get_type(void);
|
|
GQuark ipatch_riff_error_quark(void);
|
|
IpatchRiff *ipatch_riff_new(IpatchFileHandle *handle);
|
|
void ipatch_riff_set_file_handle(IpatchRiff *riff, IpatchFileHandle *handle);
|
|
IpatchFileHandle *ipatch_riff_get_file_handle(IpatchRiff *riff);
|
|
int ipatch_riff_get_chunk_level(IpatchRiff *riff);
|
|
IpatchRiffChunk *ipatch_riff_get_chunk_array(IpatchRiff *riff, int *count);
|
|
IpatchRiffChunk *ipatch_riff_get_chunk(IpatchRiff *riff, int level);
|
|
guint32 ipatch_riff_get_total_size(IpatchRiff *riff);
|
|
guint32 ipatch_riff_get_position(IpatchRiff *riff);
|
|
void ipatch_riff_push_state(IpatchRiff *riff);
|
|
gboolean ipatch_riff_pop_state(IpatchRiff *riff, GError **err);
|
|
IpatchRiffChunk *ipatch_riff_start_read(IpatchRiff *riff, GError **err);
|
|
IpatchRiffChunk *ipatch_riff_start_read_chunk(IpatchRiff *riff, GError **err);
|
|
IpatchRiffChunk *ipatch_riff_read_chunk_verify(IpatchRiff *riff,
|
|
IpatchRiffChunkType type,
|
|
guint32 id, GError **err);
|
|
IpatchRiffChunk *ipatch_riff_read_chunk(IpatchRiff *riff, GError **err);
|
|
#define ipatch_riff_write_list_chunk(parser, id, err) \
|
|
ipatch_riff_write_chunk (parser, IPATCH_RIFF_CHUNK_LIST, id, err)
|
|
#define ipatch_riff_write_sub_chunk(parser, id, err) \
|
|
ipatch_riff_write_chunk (parser, IPATCH_RIFF_CHUNK_SUB, id, err)
|
|
gboolean ipatch_riff_write_chunk(IpatchRiff *riff, IpatchRiffChunkType type,
|
|
guint32 id, GError **err);
|
|
#define ipatch_riff_end_chunk(parser, err) \
|
|
ipatch_riff_close_chunk (parser, -1, err)
|
|
gboolean ipatch_riff_close_chunk(IpatchRiff *riff, int level, GError **err);
|
|
#define ipatch_riff_skip_chunk(parser, err) \
|
|
ipatch_riff_skip_chunks (parser, 1, err)
|
|
gboolean ipatch_riff_skip_chunks(IpatchRiff *riff, guint count, GError **err);
|
|
gboolean ipatch_riff_get_error(IpatchRiff *riff, GError **err);
|
|
char *ipatch_riff_message_detail(IpatchRiff *riff, int level,
|
|
const char *format, ...);
|
|
#endif
|