openharmony/third_party_libsnd
1
0
Fork 0
mirror of https://gitee.com/openharmony/third_party_libsnd synced 2024-11-27 03:50:29 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity
e70aaed8f5
third_party_libsnd/src/aiff.c
Erik de Castro Lopo 2dc0de05db src/aiff.c : Fix typo.
2007-11-03 08:13:01 +11:00

1533 lines
45 KiB
C
Raw Blame History

/*
** Copyright (C) 1999-2006 Erik de Castro Lopo <erikd@mega-nerd.com>
** Copyright (C) 2005 David Viens <davidv@plogue.com>
**
** 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; either version 2.1 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 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "sfconfig.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <ctype.h>
#include "sndfile.h"
#include "sfendian.h"
#include "common.h"
/*------------------------------------------------------------------------------
* Macros to handle big/little endian issues.
*/
#define FORM_MARKER (MAKE_MARKER ('F', 'O', 'R', 'M'))
#define AIFF_MARKER (MAKE_MARKER ('A', 'I', 'F', 'F'))
#define AIFC_MARKER (MAKE_MARKER ('A', 'I', 'F', 'C'))
#define COMM_MARKER (MAKE_MARKER ('C', 'O', 'M', 'M'))
#define SSND_MARKER (MAKE_MARKER ('S', 'S', 'N', 'D'))
#define MARK_MARKER (MAKE_MARKER ('M', 'A', 'R', 'K'))
#define INST_MARKER (MAKE_MARKER ('I', 'N', 'S', 'T'))
#define APPL_MARKER (MAKE_MARKER ('A', 'P', 'P', 'L'))
#define c_MARKER (MAKE_MARKER ('(', 'c', ')', ' '))
#define NAME_MARKER (MAKE_MARKER ('N', 'A', 'M', 'E'))
#define AUTH_MARKER (MAKE_MARKER ('A', 'U', 'T', 'H'))
#define ANNO_MARKER (MAKE_MARKER ('A', 'N', 'N', 'O'))
#define COMT_MARKER (MAKE_MARKER ('C', 'O', 'M', 'T'))
#define FVER_MARKER (MAKE_MARKER ('F', 'V', 'E', 'R'))
#define SFX_MARKER (MAKE_MARKER ('S', 'F', 'X', '!'))
#define PEAK_MARKER (MAKE_MARKER ('P', 'E', 'A', 'K'))
#define basc_MARKER (MAKE_MARKER ('b', 'a', 's', 'c'))
/* Supported AIFC encodings.*/
#define NONE_MARKER (MAKE_MARKER ('N', 'O', 'N', 'E'))
#define sowt_MARKER (MAKE_MARKER ('s', 'o', 'w', 't'))
#define twos_MARKER (MAKE_MARKER ('t', 'w', 'o', 's'))
#define raw_MARKER (MAKE_MARKER ('r', 'a', 'w', ' '))
#define in24_MARKER (MAKE_MARKER ('i', 'n', '2', '4'))
#define ni24_MARKER (MAKE_MARKER ('4', '2', 'n', '1'))
#define in32_MARKER (MAKE_MARKER ('i', 'n', '3', '2'))
#define ni32_MARKER (MAKE_MARKER ('2', '3', 'n', 'i'))
#define fl32_MARKER (MAKE_MARKER ('f', 'l', '3', '2'))
#define FL32_MARKER (MAKE_MARKER ('F', 'L', '3', '2'))
#define fl64_MARKER (MAKE_MARKER ('f', 'l', '6', '4'))
#define FL64_MARKER (MAKE_MARKER ('F', 'L', '6', '4'))
#define ulaw_MARKER (MAKE_MARKER ('u', 'l', 'a', 'w'))
#define ULAW_MARKER (MAKE_MARKER ('U', 'L', 'A', 'W'))
#define alaw_MARKER (MAKE_MARKER ('a', 'l', 'a', 'w'))
#define ALAW_MARKER (MAKE_MARKER ('A', 'L', 'A', 'W'))
#define DWVW_MARKER (MAKE_MARKER ('D', 'W', 'V', 'W'))
#define GSM_MARKER (MAKE_MARKER ('G', 'S', 'M', ' '))
#define ima4_MARKER (MAKE_MARKER ('i', 'm', 'a', '4'))
/* Unsupported AIFC encodings.*/
#define MAC3_MARKER (MAKE_MARKER ('M', 'A', 'C', '3'))
#define MAC6_MARKER (MAKE_MARKER ('M', 'A', 'C', '6'))
#define ADP4_MARKER (MAKE_MARKER ('A', 'D', 'P', '4'))
/* Predfined chunk sizes. */
#define SIZEOF_AIFF_COMM 18
#define SIZEOF_AIFC_COMM_MIN 22
#define SIZEOF_AIFC_COMM 24
#define SIZEOF_SSND_CHUNK 8
#define SIZEOF_INST_CHUNK 20
/* Is it constant? */
/* AIFC/IMA4 defines. */
#define AIFC_IMA4_BLOCK_LEN 34
#define AIFC_IMA4_SAMPLES_PER_BLOCK 64
#define AIFF_PEAK_CHUNK_SIZE(ch) (2 * sizeof (int) + ch * (sizeof (float) + sizeof (int)))
/*------------------------------------------------------------------------------
* Typedefs for file chunks.
*/
enum
{ HAVE_FORM = 0x01,
HAVE_AIFF = 0x02,
HAVE_AIFC = 0x04,
HAVE_FVER = 0x08,
HAVE_COMM = 0x10,
HAVE_SSND = 0x20
} ;
typedef struct
{ unsigned int size ;
short numChannels ;
unsigned int numSampleFrames ;
short sampleSize ;
unsigned char sampleRate [10] ;
unsigned int encoding ;
char zero_bytes [2] ;
} COMM_CHUNK ;
typedef struct
{ unsigned int offset ;
unsigned int blocksize ;
} SSND_CHUNK ;
typedef struct
{ short playMode ;
unsigned short beginLoop ;
unsigned short endLoop ;
} INST_LOOP ;
typedef struct
{ char baseNote ; /* all notes are MIDI note numbers */
char detune ; /* cents off, only -50 to +50 are significant */
char lowNote ;
char highNote ;
char lowVelocity ; /* 1 to 127 */
char highVelocity ; /* 1 to 127 */
short gain ; /* in dB, 0 is normal */
INST_LOOP sustain_loop ;
INST_LOOP release_loop ;
} INST_CHUNK ;
enum
{ basc_SCALE_MINOR = 1,
basc_SCALE_MAJOR,
basc_SCALE_NEITHER,
basc_SCALE_BOTH
} ;
enum
{ basc_TYPE_LOOP = 0,
basc_TYPE_ONE_SHOT
} ;
typedef struct
{ unsigned int version ;
unsigned int numBeats ;
unsigned short rootNote ;
unsigned short scaleType ;
unsigned short sigNumerator ;
unsigned short sigDenominator ;
unsigned short loopType ;
} basc_CHUNK ;
typedef struct
{ unsigned short markerID ;
unsigned int position ;
} MARK_ID_POS ;
typedef struct
{ sf_count_t comm_offset ;
sf_count_t ssnd_offset ;
} AIFF_PRIVATE ;
/*------------------------------------------------------------------------------
* Private static functions.
*/
static int aiff_close (SF_PRIVATE *psf) ;
static int tenbytefloat2int (unsigned char *bytes) ;
static void uint2tenbytefloat (unsigned int num, unsigned char *bytes) ;
static int aiff_read_comm_chunk (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) ;
static int aiff_read_header (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) ;
static int aiff_write_header (SF_PRIVATE *psf, int calc_length) ;
static int aiff_write_tailer (SF_PRIVATE *psf) ;
static void aiff_write_strings (SF_PRIVATE *psf, int location) ;
static int aiff_command (SF_PRIVATE *psf, int command, void *data, int datasize) ;
static const char *get_loop_mode_str (short mode) ;
static short get_loop_mode (short mode) ;
static int aiff_read_basc_chunk (SF_PRIVATE * psf, int) ;
static unsigned int marker_to_position (const MARK_ID_POS *m, unsigned short n, int marksize) ;
/*------------------------------------------------------------------------------
** Public function.
*/
int
aiff_open (SF_PRIVATE *psf)
{ COMM_CHUNK comm_fmt ;
int error, subformat ;
memset (&comm_fmt, 0, sizeof (comm_fmt)) ;
subformat = psf->sf.format & SF_FORMAT_SUBMASK ;
if ((psf->container_data = calloc (1, sizeof (AIFF_PRIVATE))) == NULL)
return SFE_MALLOC_FAILED ;
if (psf->mode == SFM_READ || (psf->mode == SFM_RDWR && psf->filelength > 0))
{ if ((error = aiff_read_header (psf, &comm_fmt)))
return error ;
psf_fseek (psf, psf->dataoffset, SEEK_SET) ;
} ;
if (psf->mode == SFM_WRITE || psf->mode == SFM_RDWR)
{ if (psf->is_pipe)
return SFE_NO_PIPE_WRITE ;
if ((psf->sf.format & SF_FORMAT_TYPEMASK) != SF_FORMAT_AIFF)
return SFE_BAD_OPEN_FORMAT ;
if (psf->mode == SFM_WRITE && (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE))
{ if ((psf->peak_info = peak_info_calloc (psf->sf.channels)) == NULL)
return SFE_MALLOC_FAILED ;
psf->peak_info->peak_loc = SF_PEAK_START ;
} ;
if (psf->mode != SFM_RDWR || psf->filelength < 40)
{ psf->filelength = 0 ;
psf->datalength = 0 ;
psf->dataoffset = 0 ;
psf->sf.frames = 0 ;
} ;
psf->str_flags = SF_STR_ALLOW_START | SF_STR_ALLOW_END ;
if ((error = aiff_write_header (psf, SF_FALSE)))
return error ;
psf->write_header = aiff_write_header ;
} ;
psf->container_close = aiff_close ;
psf->command = aiff_command ;
switch (psf->sf.format & SF_FORMAT_SUBMASK)
{ case SF_FORMAT_PCM_U8 :
error = pcm_init (psf) ;
break ;
case SF_FORMAT_PCM_S8 :
error = pcm_init (psf) ;
break ;
case SF_FORMAT_PCM_16 :
case SF_FORMAT_PCM_24 :
case SF_FORMAT_PCM_32 :
error = pcm_init (psf) ;
break ;
case SF_FORMAT_ULAW :
error = ulaw_init (psf) ;
break ;
case SF_FORMAT_ALAW :
error = alaw_init (psf) ;
break ;
/* Lite remove start */
case SF_FORMAT_FLOAT :
error = float32_init (psf) ;
break ;
case SF_FORMAT_DOUBLE :
error = double64_init (psf) ;
break ;
case SF_FORMAT_DWVW_12 :
error = dwvw_init (psf, 12) ;
break ;
case SF_FORMAT_DWVW_16 :
error = dwvw_init (psf, 16) ;
break ;
case SF_FORMAT_DWVW_24 :
error = dwvw_init (psf, 24) ;
break ;
case SF_FORMAT_DWVW_N :
if (psf->mode != SFM_READ)
{ error = SFE_DWVW_BAD_BITWIDTH ;
break ;
} ;
if (comm_fmt.sampleSize >= 8 && comm_fmt.sampleSize < 24)
{ error = dwvw_init (psf, comm_fmt.sampleSize) ;
psf->sf.frames = comm_fmt.numSampleFrames ;
break ;
} ;
psf_log_printf (psf, "AIFC/DWVW : Bad bitwidth %d\n", comm_fmt.sampleSize) ;
error = SFE_DWVW_BAD_BITWIDTH ;
break ;
case SF_FORMAT_IMA_ADPCM :
/*
** IMA ADPCM encoded AIFF files always have a block length
** of 34 which decodes to 64 samples.
*/
error = aiff_ima_init (psf, AIFC_IMA4_BLOCK_LEN, AIFC_IMA4_SAMPLES_PER_BLOCK) ;
break ;
/* Lite remove end */
case SF_FORMAT_GSM610 :
error = gsm610_init (psf) ;
break ;
default : return SFE_UNIMPLEMENTED ;
} ;
return error ;
} /* aiff_open */
/*==========================================================================================
** Private functions.
*/
/* This function ought to check size */
static unsigned int
marker_to_position (const MARK_ID_POS *m, unsigned short n, int marksize)
{ int i ;
for (i = 0 ; i < marksize ; i++)
if (m [i].markerID == n)
return m [i].position ;
return 0 ;
} /* marker_to_position */
static int
aiff_read_header (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt)
{ SSND_CHUNK ssnd_fmt ;
MARK_ID_POS *markstr = NULL ;
AIFF_PRIVATE *paiff ;
unsigned marker, dword, FORMsize, SSNDsize, bytesread ;
int k, found_chunk = 0, done = 0, error = 0 ;
char *cptr, byte ;
int instr_found = 0, mark_found = 0, mark_count = 0 ;
if (psf->filelength > SF_PLATFORM_S64 (0xffffffff))
psf_log_printf (psf, "Warning : filelength > 0xffffffff. This is bad!!!!\n") ;
if ((paiff = psf->container_data) == NULL)
return SFE_INTERNAL ;
paiff->comm_offset = 0 ;
paiff->ssnd_offset = 0 ;
/* Set position to start of file to begin reading header. */
psf_binheader_readf (psf, "p", 0) ;
memset (comm_fmt, 0, sizeof (COMM_CHUNK)) ;
/* Until recently AIF* file were all BIG endian. */
psf->endian = SF_ENDIAN_BIG ;
/* AIFF files can apparently have their chunks in any order. However, they
** must have a FORM chunk. Approach here is to read all the chunks one by
** one and then check for the mandatory chunks at the end.
*/
while (! done)
{ psf_binheader_readf (psf, "m", &marker) ;
if (psf->mode == SFM_RDWR && (found_chunk & HAVE_SSND))
return SFE_AIFF_RW_SSND_NOT_LAST ;
switch (marker)
{ case FORM_MARKER :
if (found_chunk)
return SFE_AIFF_NO_FORM ;
psf_binheader_readf (psf, "E4", &FORMsize) ;
if (psf->fileoffset > 0 && psf->filelength > FORMsize + 8)
{ /* Set file length. */
psf->filelength = FORMsize + 8 ;
psf_log_printf (psf, "FORM : %u\n", FORMsize) ;
}
else if (FORMsize != psf->filelength - 2 * SIGNED_SIZEOF (dword))
{ dword = psf->filelength - 2 * sizeof (dword) ;
psf_log_printf (psf, "FORM : %u (should be %u)\n", FORMsize, dword) ;
FORMsize = dword ;
}
else
psf_log_printf (psf, "FORM : %u\n", FORMsize) ;
found_chunk |= HAVE_FORM ;
break ;
case AIFC_MARKER :
case AIFF_MARKER :
if ((found_chunk & HAVE_FORM) == 0)
return SFE_AIFF_AIFF_NO_FORM ;
psf_log_printf (psf, " %M\n", marker) ;
found_chunk |= (marker == AIFC_MARKER) ? (HAVE_AIFC | HAVE_AIFF) : HAVE_AIFF ;
break ;
case COMM_MARKER :
paiff->comm_offset = psf_ftell (psf) - 4 ;
error = aiff_read_comm_chunk (psf, comm_fmt) ;
psf->sf.samplerate = tenbytefloat2int (comm_fmt->sampleRate) ;
psf->sf.frames = comm_fmt->numSampleFrames ;
psf->sf.channels = comm_fmt->numChannels ;
psf->bytewidth = BITWIDTH2BYTES (comm_fmt->sampleSize) ;
if (error)
return error ;
found_chunk |= HAVE_COMM ;
break ;
case PEAK_MARKER :
/* Must have COMM chunk before PEAK chunk. */
if ((found_chunk & (HAVE_FORM | HAVE_AIFF | HAVE_COMM)) != (HAVE_FORM | HAVE_AIFF | HAVE_COMM))
return SFE_AIFF_PEAK_B4_COMM ;
psf_binheader_readf (psf, "E4", &dword) ;
psf_log_printf (psf, "%M : %d\n", marker, dword) ;
if (dword != AIFF_PEAK_CHUNK_SIZE (psf->sf.channels))
{ psf_binheader_readf (psf, "j", dword) ;
psf_log_printf (psf, "*** File PEAK chunk too big.\n") ;
return SFE_WAV_BAD_PEAK ;
} ;
if ((psf->peak_info = peak_info_calloc (psf->sf.channels)) == NULL)
return SFE_MALLOC_FAILED ;
/* read in rest of PEAK chunk. */
psf_binheader_readf (psf, "E44", &(psf->peak_info->version), &(psf->peak_info->timestamp)) ;
if (psf->peak_info->version != 1)
psf_log_printf (psf, " version : %d *** (should be version 1)\n", psf->peak_info->version) ;
else
psf_log_printf (psf, " version : %d\n", psf->peak_info->version) ;
psf_log_printf (psf, " time stamp : %d\n", psf->peak_info->timestamp) ;
psf_log_printf (psf, " Ch Position Value\n") ;
cptr = psf->u.cbuf ;
for (dword = 0 ; dword < (unsigned) psf->sf.channels ; dword++)
{ float value ;
unsigned int position ;
psf_binheader_readf (psf, "Ef4", &value, &position) ;
psf->peak_info->peaks [dword].value = value ;
psf->peak_info->peaks [dword].position = position ;
LSF_SNPRINTF (cptr, sizeof (psf->u.scbuf), " %2d %-12ld %g\n",
dword, (long) psf->peak_info->peaks [dword].position, psf->peak_info->peaks [dword].value) ;
cptr [sizeof (psf->u.scbuf) - 1] = 0 ;
psf_log_printf (psf, cptr) ;
} ;
break ;
case SSND_MARKER :
if ((found_chunk & HAVE_AIFC) && (found_chunk & HAVE_FVER) == 0)
psf_log_printf (psf, "*** Valid AIFC files should have an FVER chunk.\n") ;
paiff->ssnd_offset = psf_ftell (psf) - 4 ;
psf_binheader_readf (psf, "E444", &SSNDsize, &(ssnd_fmt.offset), &(ssnd_fmt.blocksize)) ;
psf->datalength = SSNDsize - sizeof (ssnd_fmt) ;
psf->dataoffset = psf_ftell (psf) ;
if (psf->datalength > psf->filelength - psf->dataoffset || psf->datalength < 0)
{ psf_log_printf (psf, " SSND : %u (should be %D)\n", SSNDsize, psf->filelength - psf->dataoffset + sizeof (SSND_CHUNK)) ;
psf->datalength = psf->filelength - psf->dataoffset ;
}
else
psf_log_printf (psf, " SSND : %u\n", SSNDsize) ;
/* Only set dataend if there really is data at the end. */
if (psf->datalength + psf->dataoffset < psf->filelength)
psf->dataend = psf->datalength + psf->dataoffset ;
psf_log_printf (psf, " Offset : %u\n", ssnd_fmt.offset) ;
psf_log_printf (psf, " Block Size : %u\n", ssnd_fmt.blocksize) ;
found_chunk |= HAVE_SSND ;
if (! psf->sf.seekable)
break ;
/* Seek to end of SSND chunk. */
psf_fseek (psf, psf->dataoffset + psf->datalength + (SSNDsize & 1), SEEK_SET) ;
break ;
case c_MARKER :
psf_binheader_readf (psf, "E4", &dword) ;
if (dword == 0)
break ;
if (dword > SIGNED_SIZEOF (psf->u.scbuf) - 1)
{ psf_log_printf (psf, " %M : %d (too big)\n", marker, dword) ;
return SFE_INTERNAL ;
} ;
cptr = psf->u.cbuf ;
psf_binheader_readf (psf, "b", cptr, dword + (dword & 1)) ;
if (dword > SIGNED_SIZEOF (psf->u.cbuf))
cptr [sizeof (psf->u.cbuf) - 1] = 0 ;
else
cptr [dword > 0 ? dword : 0] = 0 ;
psf_sanitize_string (cptr, dword) ;
psf_log_printf (psf, " %M : %s\n", marker, cptr) ;
psf_store_string (psf, SF_STR_COPYRIGHT, cptr) ;
break ;
case AUTH_MARKER :
psf_binheader_readf (psf, "E4", &dword) ;
if (dword == 0)
break ;
if (dword > SIGNED_SIZEOF (psf->u.scbuf) - 1)
{ psf_log_printf (psf, " %M : %d (too big)\n", marker, dword) ;
return SFE_INTERNAL ;
} ;
cptr = psf->u.cbuf ;
psf_binheader_readf (psf, "b", cptr, dword + (dword & 1)) ;
cptr [dword > 0 ? dword : 0] = 0 ;
psf_log_printf (psf, " %M : %s\n", marker, cptr) ;
psf_store_string (psf, SF_STR_ARTIST, cptr) ;
break ;
case COMT_MARKER :
{ unsigned short count, id, len ;
unsigned int timestamp ;
psf_binheader_readf (psf, "E42", &dword, &count) ;
psf_log_printf (psf, " %M : %d\n count : %d\n", marker, dword, count) ;
dword += (dword & 1) ;
if (dword == 0)
break ;
dword -= 2 ;
for (k = 0 ; k < count ; k++)
{ dword -= psf_binheader_readf (psf, "E422", &timestamp, &id, &len) ;
psf_log_printf (psf, " time : 0x%x\n marker : %x\n length : %d\n", timestamp, id, len) ;
if (len + 1 > SIGNED_SIZEOF (psf->u.scbuf))
{ psf_log_printf (psf, "\nError : string length (%d) too big.\n", len) ;
return SFE_INTERNAL ;
} ;
cptr = psf->u.cbuf ;
dword -= psf_binheader_readf (psf, "b", cptr, len) ;
cptr [len] = 0 ;
psf_log_printf (psf, " string : %s\n", cptr) ;
} ;
if (dword > 0)
psf_binheader_readf (psf, "j", dword) ;
} ;
break ;
case APPL_MARKER :
psf_binheader_readf (psf, "E4", &dword) ;
if (dword == 0)
break ;
if (dword >= SIGNED_SIZEOF (psf->u.scbuf) - 1)
{ psf_log_printf (psf, " %M : %d (too big, skipping)\n", marker, dword) ;
psf_binheader_readf (psf, "j", dword + (dword & 1)) ;
break ;
} ;
cptr = psf->u.cbuf ;
psf_binheader_readf (psf, "b", cptr, dword + (dword & 1)) ;
cptr [dword > 0 ? dword : 0] = 0 ;
for (k = 0 ; k < (int) dword ; k++)
if (! isprint (cptr [k]))
{ cptr [k] = 0 ;
break ;
} ;
psf_log_printf (psf, " %M : %s\n", marker, cptr) ;
psf_store_string (psf, SF_STR_SOFTWARE, cptr) ;
break ;
case NAME_MARKER :
psf_binheader_readf (psf, "E4", &dword) ;
if (dword == 0)
break ;
if (dword > SIGNED_SIZEOF (psf->u.scbuf) - 2)
{ psf_log_printf (psf, " %M : %d (too big)\n", marker, dword) ;
return SFE_INTERNAL ;
} ;
cptr = psf->u.cbuf ;
psf_binheader_readf (psf, "b", cptr, dword + (dword & 1)) ;
cptr [dword > 0 ? dword : 0] = 0 ;
psf_log_printf (psf, " %M : %s\n", marker, cptr) ;
psf_store_string (psf, SF_STR_TITLE, cptr) ;
break ;
case ANNO_MARKER :
psf_binheader_readf (psf, "E4", &dword) ;
if (dword == 0)
break ;
if (dword > SIGNED_SIZEOF (psf->u.scbuf) - 2)
{ psf_log_printf (psf, " %M : %d (too big)\n", marker, dword) ;
return SFE_INTERNAL ;
} ;
cptr = psf->u.cbuf ;
psf_binheader_readf (psf, "b", cptr, dword + (dword & 1)) ;
cptr [dword > 0 ? dword : 0] = 0 ;
psf_log_printf (psf, " %M : %s\n", marker, cptr) ;
psf_store_string (psf, SF_STR_COMMENT, cptr) ;
break ;
case INST_MARKER :
psf_binheader_readf (psf, "E4", &dword) ;
if (dword != SIZEOF_INST_CHUNK)
{ psf_log_printf (psf, " %M : %d (should be %d)\n", marker, dword, SIZEOF_INST_CHUNK) ;
psf_binheader_readf (psf, "j", dword) ;
break ;
} ;
psf_log_printf (psf, " %M : %d\n", marker, dword) ;
{ unsigned char bytes [6] ;
short gain ;
if (psf->instrument == NULL && (psf->instrument = psf_instrument_alloc ()) == NULL)
return SFE_MALLOC_FAILED ;
psf_binheader_readf (psf, "b", bytes, 6) ;
psf_log_printf (psf, " Base Note : %u\n Detune : %u\n"
" Low Note : %u\n High Note : %u\n"
" Low Vel. : %u\n High Vel. : %u\n",
bytes [0], bytes [1], bytes [2], bytes [3], bytes [4], bytes [5]) ;
psf->instrument->basenote = bytes [0] ;
psf->instrument->detune = bytes [1] ;
psf->instrument->key_lo = bytes [2] ;
psf->instrument->key_hi = bytes [3] ;
psf->instrument->velocity_lo = bytes [4] ;
psf->instrument->velocity_hi = bytes [5] ;
psf_binheader_readf (psf, "E2", &gain) ;
psf->instrument->gain = gain ;
psf_log_printf (psf, " Gain (dB) : %d\n", gain) ;
} ;
{ short mode ; /* 0 - no loop, 1 - forward looping, 2 - backward looping */
const char *loop_mode ;
unsigned short begin, end ;
psf_binheader_readf (psf, "E222", &mode, &begin, &end) ;
loop_mode = get_loop_mode_str (mode) ;
mode = get_loop_mode (mode) ;
if (mode == SF_LOOP_NONE)
{ psf->instrument->loop_count = 0 ;
psf->instrument->loops [0].mode = SF_LOOP_NONE ;
}
else
{ psf->instrument->loop_count = 1 ;
psf->instrument->loops [0].mode = SF_LOOP_FORWARD ;
psf->instrument->loops [0].start = begin ;
psf->instrument->loops [0].end = end ;
psf->instrument->loops [0].count = 0 ;
} ;
psf_log_printf (psf, " Sustain\n mode : %d => %s\n begin : %u\n end : %u\n",
mode, loop_mode, begin, end) ;
psf_binheader_readf (psf, "E222", &mode, &begin, &end) ;
loop_mode = get_loop_mode_str (mode) ;
mode = get_loop_mode (mode) ;
if (mode == SF_LOOP_NONE)
psf->instrument->loops [0].mode = SF_LOOP_NONE ;
else
{ psf->instrument->loop_count += 1 ;
psf->instrument->loops [1].mode = SF_LOOP_FORWARD ;
psf->instrument->loops [1].start = begin ;
psf->instrument->loops [1].end = end ;
psf->instrument->loops [1].count = 0 ;
} ;
psf_log_printf (psf, " Release\n mode : %d => %s\n begin : %u\n end : %u\n",
mode, loop_mode, begin, end) ;
} ;
instr_found++ ;
break ;
case basc_MARKER :
psf_binheader_readf (psf, "E4", &dword) ;
psf_log_printf (psf, " basc : %u\n", dword) ;
if ((error = aiff_read_basc_chunk (psf, dword)))
return error ;
break ;
case MARK_MARKER :
psf_binheader_readf (psf, "E4", &dword) ;
psf_log_printf (psf, " %M : %d\n", marker, dword) ;
{ unsigned short mark_id, n = 0 ;
unsigned char pstr_len ;
unsigned int position ;
bytesread = psf_binheader_readf (psf, "E2", &n) ;
mark_count = n ;
markstr = calloc (mark_count, sizeof (MARK_ID_POS)) ;
psf_log_printf (psf, " Count : %d\n", mark_count) ;
for (n = 0 ; n < mark_count && bytesread < dword ; n++)
{ bytesread += psf_binheader_readf (psf, "E241", &mark_id, &position, &pstr_len) ;
psf_log_printf (psf, " Mark ID : %u\n Position : %u\n", mark_id, position) ;
pstr_len += (pstr_len & 1) ? 0 : 1 ;
bytesread += psf_binheader_readf (psf, "b", psf->u.scbuf, pstr_len) ;
psf->u.scbuf [pstr_len] = 0 ;
psf_log_printf (psf, " Name : %s\n", psf->u.scbuf) ;
markstr [n].markerID = mark_id ;
markstr [n].position = position ;
/*
** TODO if psf->u.scbuf is equal to
** either Beg_loop, Beg loop or beg loop and spam
** if (psf->instrument == NULL && (psf->instrument = psf_instrument_alloc ()) == NULL)
** return SFE_MALLOC_FAILED ;
*/
} ;
} ;
mark_found++ ;
psf_binheader_readf (psf, "j", dword - bytesread) ;
break ;
case FVER_MARKER :
found_chunk |= HAVE_FVER ;
/* Fall through to next case. */
case SFX_MARKER :
psf_binheader_readf (psf, "E4", &dword) ;
psf_log_printf (psf, " %M : %d\n", marker, dword) ;
psf_binheader_readf (psf, "j", dword) ;
break ;
case NONE_MARKER :
/* Fix for broken AIFC files with incorrect COMM chunk length. */
psf_binheader_readf (psf, "1", &byte) ;
dword = byte ;
psf_binheader_readf (psf, "j", dword) ;
break ;
default :
if (isprint ((marker >> 24) & 0xFF) && isprint ((marker >> 16) & 0xFF)
&& isprint ((marker >> 8) & 0xFF) && isprint (marker & 0xFF))
{ psf_binheader_readf (psf, "E4", &dword) ;
psf_log_printf (psf, " %M : %d (unknown marker)\n", marker, dword) ;
psf_binheader_readf (psf, "j", dword) ;
break ;
} ;
if ((dword = psf_ftell (psf)) & 0x03)
{ psf_log_printf (psf, " Unknown chunk marker %X at position %d. Resyncing.\n", marker, dword - 4) ;
psf_binheader_readf (psf, "j", -3) ;
break ;
} ;
psf_log_printf (psf, "*** Unknown chunk marker %X at position %D. Exiting parser.\n", marker, psf_ftell (psf)) ;
done = 1 ;
break ;
} ; /* switch (marker) */
if ((! psf->sf.seekable) && (found_chunk & HAVE_SSND))
break ;
if (psf_ftell (psf) >= psf->filelength - (2 * SIGNED_SIZEOF (dword)))
break ;
} ; /* while (1) */
if (instr_found && mark_found)
{ int j ;
for (j = 0 ; j<psf->instrument->loop_count ; j ++)
{ if (j < ARRAY_LEN (psf->instrument->loops))
{ psf->instrument->loops [j].start = marker_to_position (markstr, psf->instrument->loops [j].start, mark_count) ;
psf->instrument->loops [j].end = marker_to_position (markstr, psf->instrument->loops [j].end, mark_count) ;
psf->instrument->loops [j].mode = SF_LOOP_FORWARD ;
} ;
} ;
} ;
if (markstr)
free (markstr) ;
if (! (found_chunk & HAVE_FORM))
return SFE_AIFF_NO_FORM ;
if (! (found_chunk & HAVE_AIFF))
return SFE_AIFF_COMM_NO_FORM ;
if (! (found_chunk & HAVE_COMM))
return SFE_AIFF_SSND_NO_COMM ;
if (! psf->dataoffset)
return SFE_AIFF_NO_DATA ;
return 0 ;
} /* aiff_read_header */
static int
aiff_close (SF_PRIVATE *psf)
{
if (psf->mode == SFM_WRITE || psf->mode == SFM_RDWR)
{ aiff_write_tailer (psf) ;
aiff_write_header (psf, SF_TRUE) ;
} ;
return 0 ;
} /* aiff_close */
static int
aiff_read_comm_chunk (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt)
{ int error = 0, bytesread, subformat ;
psf->u.scbuf [0] = 0 ;
bytesread = psf_binheader_readf (psf, "E4", &(comm_fmt->size)) ;
/* The COMM chunk has an int aligned to an odd word boundary. Some
** procesors are not able to deal with this (ie bus fault) so we have
** to take special care.
*/
comm_fmt->size += comm_fmt->size & 1 ;
bytesread +=
psf_binheader_readf (psf, "E242b", &(comm_fmt->numChannels), &(comm_fmt->numSampleFrames),
&(comm_fmt->sampleSize), &(comm_fmt->sampleRate), SIGNED_SIZEOF (comm_fmt->sampleRate)) ;
if (comm_fmt->size > 0x10000 && (comm_fmt->size & 0xffff) == 0)
{ psf_log_printf (psf, " COMM : %d (0x%x) *** should be ", comm_fmt->size, comm_fmt->size) ;
comm_fmt->size = ENDSWAP_INT (comm_fmt->size) ;
psf_log_printf (psf, "%d (0x%x)\n", comm_fmt->size, comm_fmt->size) ;
}
else
psf_log_printf (psf, " COMM : %d\n", comm_fmt->size) ;
if (comm_fmt->size == SIZEOF_AIFF_COMM)
comm_fmt->encoding = NONE_MARKER ;
else if (comm_fmt->size == SIZEOF_AIFC_COMM_MIN)
bytesread += psf_binheader_readf (psf, "Em", &(comm_fmt->encoding)) ;
else if (comm_fmt->size >= SIZEOF_AIFC_COMM)
{ unsigned char encoding_len ;
bytesread += psf_binheader_readf (psf, "Em1", &(comm_fmt->encoding), &encoding_len) ;
memset (psf->u.scbuf, 0, comm_fmt->size) ;
bytesread += psf_binheader_readf (psf, "b", psf->u.scbuf,
comm_fmt->size - SIZEOF_AIFC_COMM + 1) ;
psf->u.scbuf [encoding_len] = 0 ;
} ;
psf_log_printf (psf, " Sample Rate : %d\n", tenbytefloat2int (comm_fmt->sampleRate)) ;
psf_log_printf (psf, " Frames : %u%s\n", comm_fmt->numSampleFrames, (comm_fmt->numSampleFrames == 0 && psf->filelength > 104) ? " (Should not be 0)" : "") ;
psf_log_printf (psf, " Channels : %d\n", comm_fmt->numChannels) ;
/* Found some broken 'fl32' files with comm.samplesize == 16. Fix it here. */
if ((comm_fmt->encoding == fl32_MARKER || comm_fmt->encoding == FL32_MARKER) && comm_fmt->sampleSize != 32)
{ psf_log_printf (psf, " Sample Size : %d (should be 32)\n", comm_fmt->sampleSize) ;
comm_fmt->sampleSize = 32 ;
}
else if ((comm_fmt->encoding == fl64_MARKER || comm_fmt->encoding == FL64_MARKER) && comm_fmt->sampleSize != 64)
{ psf_log_printf (psf, " Sample Size : %d (should be 64)\n", comm_fmt->sampleSize) ;
comm_fmt->sampleSize = 64 ;
}
else
psf_log_printf (psf, " Sample Size : %d\n", comm_fmt->sampleSize) ;
subformat = s_bitwidth_to_subformat (comm_fmt->sampleSize) ;
psf->endian = SF_ENDIAN_BIG ;
switch (comm_fmt->encoding)
{ case NONE_MARKER :
psf->sf.format = (SF_FORMAT_AIFF | subformat) ;
break ;
case twos_MARKER :
case in24_MARKER :
case in32_MARKER :
psf->sf.format = (SF_ENDIAN_BIG | SF_FORMAT_AIFF | subformat) ;
break ;
case sowt_MARKER :
case ni24_MARKER :
case ni32_MARKER :
psf->endian = SF_ENDIAN_LITTLE ;
psf->sf.format = (SF_ENDIAN_LITTLE | SF_FORMAT_AIFF | subformat) ;
break ;
case fl32_MARKER :
case FL32_MARKER :
psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_FLOAT) ;
break ;
case ulaw_MARKER :
case ULAW_MARKER :
psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_ULAW) ;
break ;
case alaw_MARKER :
case ALAW_MARKER :
psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_ALAW) ;
break ;
case fl64_MARKER :
case FL64_MARKER :
psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_DOUBLE) ;
break ;
case raw_MARKER :
psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_PCM_U8) ;
break ;
case DWVW_MARKER :
psf->sf.format = SF_FORMAT_AIFF ;
switch (comm_fmt->sampleSize)
{ case 12 :
psf->sf.format |= SF_FORMAT_DWVW_12 ;
break ;
case 16 :
psf->sf.format |= SF_FORMAT_DWVW_16 ;
break ;
case 24 :
psf->sf.format |= SF_FORMAT_DWVW_24 ;
break ;
default :
psf->sf.format |= SF_FORMAT_DWVW_N ;
break ;
} ;
break ;
case GSM_MARKER :
psf->sf.format = SF_FORMAT_AIFF ;
psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_GSM610) ;
break ;
case ima4_MARKER :
psf->endian = SF_ENDIAN_BIG ;
psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_IMA_ADPCM) ;
break ;
default :
psf_log_printf (psf, "AIFC : Unimplemented format : %M\n", comm_fmt->encoding) ;
error = SFE_UNIMPLEMENTED ;
} ;
if (! psf->u.scbuf [0])
psf_log_printf (psf, " Encoding : %M\n", comm_fmt->encoding) ;
else
psf_log_printf (psf, " Encoding : %M => %s\n", comm_fmt->encoding, psf->u.scbuf) ;
return error ;
} /* aiff_read_comm_chunk */
static int
aiff_write_header (SF_PRIVATE *psf, int calc_length)
{ sf_count_t current ;
AIFF_PRIVATE *paiff ;
unsigned char comm_sample_rate [10], comm_zero_bytes [2] = { 0, 0 } ;
unsigned int comm_type, comm_size, comm_encoding, comm_frames ;
int k, endian ;
short bit_width ;
if ((paiff = psf->container_data) == NULL)
return SFE_INTERNAL ;
current = psf_ftell (psf) ;
if (calc_length)
{ psf->filelength = psf_get_filelen (psf) ;
psf->datalength = psf->filelength - psf->dataoffset ;
if (psf->dataend)
psf->datalength -= psf->filelength - psf->dataend ;
if (psf->bytewidth > 0)
psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ;
} ;
if (psf->mode == SFM_RDWR && psf->dataoffset > 0)
{ /* Assuming here that the header has already been written and just
** needs to be corrected for new data length. That means that we
** only change the length fields of the FORM and SSND chunks ;
** everything else can be skipped over.
*/
/* First write new FORM chunk. */
psf->headindex = 0 ;
psf_fseek (psf, 0, SEEK_SET) ;
psf_binheader_writef (psf, "Etm8", FORM_MARKER, psf->filelength - 8) ;
psf_fwrite (psf->header, psf->headindex, 1, psf) ;
/* Now write frame count field of COMM chunk header. */
psf->headindex = 0 ;
psf_fseek (psf, paiff->comm_offset + 10, SEEK_SET) ;
psf_binheader_writef (psf, "Et8", psf->sf.frames) ;
psf_fwrite (psf->header, psf->headindex, 1, psf) ;
/* Now write new SSND chunk header. */
psf->headindex = 0 ;
psf_fseek (psf, paiff->ssnd_offset, SEEK_SET) ;
psf_binheader_writef (psf, "Etm8", SSND_MARKER, psf->datalength + SIZEOF_SSND_CHUNK) ;
psf_fwrite (psf->header, psf->headindex, 1, psf) ;
if (current < psf->dataoffset)
psf_fseek (psf, psf->dataoffset, SEEK_SET) ;
else if (current > 0)
psf_fseek (psf, current, SEEK_SET) ;
return 0 ;
} ;
endian = psf->sf.format & SF_FORMAT_ENDMASK ;
if (CPU_IS_LITTLE_ENDIAN && endian == SF_ENDIAN_CPU)
endian = SF_ENDIAN_LITTLE ;
/* Standard value here. */
bit_width = psf->bytewidth * 8 ;
comm_frames = (psf->sf.frames > 0xFFFFFFFF) ? 0xFFFFFFFF : psf->sf.frames ;
switch (psf->sf.format & SF_FORMAT_SUBMASK)
{ case SF_FORMAT_PCM_S8 :
case SF_FORMAT_PCM_16 :
case SF_FORMAT_PCM_24 :
case SF_FORMAT_PCM_32 :
switch (endian)
{ case SF_ENDIAN_BIG :
psf->endian = SF_ENDIAN_BIG ;
comm_type = AIFC_MARKER ;
comm_size = SIZEOF_AIFC_COMM ;
comm_encoding = twos_MARKER ;
break ;
case SF_ENDIAN_LITTLE :
psf->endian = SF_ENDIAN_LITTLE ;
comm_type = AIFC_MARKER ;
comm_size = SIZEOF_AIFC_COMM ;
comm_encoding = sowt_MARKER ;
break ;
default : /* SF_ENDIAN_FILE */
psf->endian = SF_ENDIAN_BIG ;
comm_type = AIFF_MARKER ;
comm_size = SIZEOF_AIFF_COMM ;
comm_encoding = 0 ;
break ;
} ;
break ;
case SF_FORMAT_FLOAT : /* Big endian floating point. */
psf->endian = SF_ENDIAN_BIG ;
comm_type = AIFC_MARKER ;
comm_size = SIZEOF_AIFC_COMM ;
comm_encoding = FL32_MARKER ; /* Use 'FL32' because its easier to read. */
break ;
case SF_FORMAT_DOUBLE : /* Big endian double precision floating point. */
psf->endian = SF_ENDIAN_BIG ;
comm_type = AIFC_MARKER ;
comm_size = SIZEOF_AIFC_COMM ;
comm_encoding = FL64_MARKER ; /* Use 'FL64' because its easier to read. */
break ;
case SF_FORMAT_ULAW :
psf->endian = SF_ENDIAN_BIG ;
comm_type = AIFC_MARKER ;
comm_size = SIZEOF_AIFC_COMM ;
comm_encoding = ulaw_MARKER ;
break ;
case SF_FORMAT_ALAW :
psf->endian = SF_ENDIAN_BIG ;
comm_type = AIFC_MARKER ;
comm_size = SIZEOF_AIFC_COMM ;
comm_encoding = alaw_MARKER ;
break ;
case SF_FORMAT_PCM_U8 :
psf->endian = SF_ENDIAN_BIG ;
comm_type = AIFC_MARKER ;
comm_size = SIZEOF_AIFC_COMM ;
comm_encoding = raw_MARKER ;
break ;
case SF_FORMAT_DWVW_12 :
psf->endian = SF_ENDIAN_BIG ;
comm_type = AIFC_MARKER ;
comm_size = SIZEOF_AIFC_COMM ;
comm_encoding = DWVW_MARKER ;
/* Override standard value here.*/
bit_width = 12 ;
break ;
case SF_FORMAT_DWVW_16 :
psf->endian = SF_ENDIAN_BIG ;
comm_type = AIFC_MARKER ;
comm_size = SIZEOF_AIFC_COMM ;
comm_encoding = DWVW_MARKER ;
/* Override standard value here.*/
bit_width = 16 ;
break ;
case SF_FORMAT_DWVW_24 :
psf->endian = SF_ENDIAN_BIG ;
comm_type = AIFC_MARKER ;
comm_size = SIZEOF_AIFC_COMM ;
comm_encoding = DWVW_MARKER ;
/* Override standard value here.*/
bit_width = 24 ;
break ;
case SF_FORMAT_GSM610 :
psf->endian = SF_ENDIAN_BIG ;
comm_type = AIFC_MARKER ;
comm_size = SIZEOF_AIFC_COMM ;
comm_encoding = GSM_MARKER ;
/* Override standard value here.*/
bit_width = 16 ;
break ;
case SF_FORMAT_IMA_ADPCM :
psf->endian = SF_ENDIAN_BIG ;
comm_type = AIFC_MARKER ;
comm_size = SIZEOF_AIFC_COMM ;
comm_encoding = ima4_MARKER ;
/* Override standard value here.*/
bit_width = 16 ;
comm_frames = psf->sf.frames / AIFC_IMA4_SAMPLES_PER_BLOCK ;
break ;
default : return SFE_BAD_OPEN_FORMAT ;
} ;
/* Reset the current header length to zero. */
psf->header [0] = 0 ;
psf->headindex = 0 ;
psf_fseek (psf, 0, SEEK_SET) ;
psf_binheader_writef (psf, "Etm8", FORM_MARKER, psf->filelength - 8) ;
/* Write AIFF/AIFC marker and COM chunk. */
if (comm_type == AIFC_MARKER)
/* AIFC must have an FVER chunk. */
psf_binheader_writef (psf, "Emm44m4", comm_type, FVER_MARKER, 4, 0xA2805140, COMM_MARKER, comm_size) ;
else
psf_binheader_writef (psf, "Emm4", comm_type, COMM_MARKER, comm_size) ;
paiff->comm_offset = psf->headindex - 8 ;
memset (comm_sample_rate, 0, sizeof (comm_sample_rate)) ;
uint2tenbytefloat (psf->sf.samplerate, comm_sample_rate) ;
psf_binheader_writef (psf, "Et242", psf->sf.channels, comm_frames, bit_width) ;
psf_binheader_writef (psf, "b", comm_sample_rate, sizeof (comm_sample_rate)) ;
/* AIFC chunks have some extra data. */
if (comm_type == AIFC_MARKER)
psf_binheader_writef (psf, "mb", comm_encoding, comm_zero_bytes, sizeof (comm_zero_bytes)) ;
if (psf->instrument != NULL)
{ MARK_ID_POS m [4] ;
INST_CHUNK ch ;
unsigned short ct = 0 ;
memset (m, 0, sizeof (m)) ;
memset (&ch, 0, sizeof (ch)) ;
ch.baseNote = psf->instrument->basenote ;
ch.detune = psf->instrument->detune ;
ch.lowNote = psf->instrument->key_lo ;
ch.highNote = psf->instrument->key_hi ;
ch.lowVelocity = psf->instrument->velocity_lo ;
ch.highVelocity = psf->instrument->velocity_hi ;
ch.gain = psf->instrument->gain ;
if (psf->instrument->loops [0].mode != SF_LOOP_NONE)
{ ch.sustain_loop.playMode = 1 ;
ch.sustain_loop.beginLoop = ct ;
m [0].markerID = ct++ ;
m [0].position = psf->instrument->loops [0].start ;
ch.sustain_loop.endLoop = ct ;
m [1].markerID = ct++ ;
m [1].position = psf->instrument->loops [0].end ;
} ;
if (psf->instrument->loops [1].mode != SF_LOOP_NONE)
{ ch.release_loop.playMode = 1 ;
ch.release_loop.beginLoop = ct ;
m [2].markerID = ct++ ;
m [2].position = psf->instrument->loops [1].start ;
ch.release_loop.endLoop = ct ;
m [3].markerID = ct++ ;
m [3].position = psf->instrument->loops [1].end ;
}
else
{ ch.release_loop.playMode = 0 ;
ch.release_loop.beginLoop = 0 ;
ch.release_loop.endLoop = 0 ;
} ;
psf_binheader_writef (psf, "Em4111111", INST_MARKER, SIZEOF_INST_CHUNK, ch.baseNote, ch.detune,
ch.lowNote, ch.highNote, ch.lowVelocity, ch.highVelocity) ;
psf_binheader_writef (psf, "2222222", ch.gain, ch.sustain_loop.playMode,
ch.sustain_loop.beginLoop, ch.sustain_loop.endLoop, ch.release_loop.playMode,
ch.release_loop.beginLoop, ch.release_loop.endLoop) ;
if (ct == 2)
psf_binheader_writef (psf, "Em42241b241b",
MARK_MARKER, 2 + 2 * (2 + 4 + 1 + 9), 2,
m [0].markerID, m [0].position, 8, "beg loop", make_size_t (9),
m [1].markerID, m [1].position, 8, "end loop", make_size_t (9)) ;
else if (ct == 4)
psf_binheader_writef (psf, "Em42 241b 241b 241b 241b",
MARK_MARKER, 2 + 4 * (2 + 4 + 1 + 9), 4,
m [0].markerID, m [0].position, 8, "beg loop", make_size_t (9),
m [1].markerID, m [1].position, 8, "end loop", make_size_t (9),
m [2].markerID, m [2].position, 8, "beg loop", make_size_t (9),
m [3].markerID, m [3].position, 8, "end loop", make_size_t (9)) ;
} ;
if (psf->str_flags & SF_STR_LOCATE_START)
aiff_write_strings (psf, SF_STR_LOCATE_START) ;
if (psf->peak_info != NULL && psf->peak_info->peak_loc == SF_PEAK_START)
{ psf_binheader_writef (psf, "Em4", PEAK_MARKER, AIFF_PEAK_CHUNK_SIZE (psf->sf.channels)) ;
psf_binheader_writef (psf, "E44", 1, time (NULL)) ;
for (k = 0 ; k < psf->sf.channels ; k++)
psf_binheader_writef (psf, "Eft8", (float) psf->peak_info->peaks [k].value, psf->peak_info->peaks [k].position) ;
} ;
/* Write SSND chunk. */
paiff->ssnd_offset = psf->headindex ;
psf_binheader_writef (psf, "Etm844", SSND_MARKER, psf->datalength + SIZEOF_SSND_CHUNK, 0, 0) ;
/* Header construction complete so write it out. */
psf_fwrite (psf->header, psf->headindex, 1, psf) ;
if (psf->error)
return psf->error ;
psf->dataoffset = psf->headindex ;
if (current < psf->dataoffset)
psf_fseek (psf, psf->dataoffset, SEEK_SET) ;
else if (current > 0)
psf_fseek (psf, current, SEEK_SET) ;
return psf->error ;
} /* aiff_write_header */
static int
aiff_write_tailer (SF_PRIVATE *psf)
{ int k ;
/* Reset the current header length to zero. */
psf->header [0] = 0 ;
psf->headindex = 0 ;
psf->dataend = psf_fseek (psf, 0, SEEK_END) ;
/* Make sure tailer data starts at even byte offset. Pad if necessary. */
if (psf->dataend % 2 == 1)
{ psf_fwrite (psf->header, 1, 1, psf) ;
psf->dataend ++ ;
} ;
if (psf->peak_info != NULL && psf->peak_info->peak_loc == SF_PEAK_END)
{ psf_binheader_writef (psf, "Em4", PEAK_MARKER, AIFF_PEAK_CHUNK_SIZE (psf->sf.channels)) ;
psf_binheader_writef (psf, "E44", 1, time (NULL)) ;
for (k = 0 ; k < psf->sf.channels ; k++)
psf_binheader_writef (psf, "Eft8", (float) psf->peak_info->peaks [k].value, psf->peak_info->peaks [k].position) ;
} ;
if (psf->str_flags & SF_STR_LOCATE_END)
aiff_write_strings (psf, SF_STR_LOCATE_END) ;
/* Write the tailer. */
if (psf->headindex > 0)
psf_fwrite (psf->header, psf->headindex, 1, psf) ;
return 0 ;
} /* aiff_write_tailer */
static void
aiff_write_strings (SF_PRIVATE *psf, int location)
{ int k ;
for (k = 0 ; k < SF_MAX_STRINGS ; k++)
{ if (psf->strings [k].type == 0)
break ;
if (psf->strings [k].flags != location)
continue ;
switch (psf->strings [k].type)
{ case SF_STR_SOFTWARE :
psf_binheader_writef (psf, "EmS", APPL_MARKER, psf->strings [k].str) ;
break ;
case SF_STR_TITLE :
psf_binheader_writef (psf, "EmS", NAME_MARKER, psf->strings [k].str) ;
break ;
case SF_STR_COPYRIGHT :
psf_binheader_writef (psf, "EmS", c_MARKER, psf->strings [k].str) ;
break ;
case SF_STR_ARTIST :
psf_binheader_writef (psf, "EmS", AUTH_MARKER, psf->strings [k].str) ;
break ;
case SF_STR_COMMENT :
psf_binheader_writef (psf, "EmS", ANNO_MARKER, psf->strings [k].str) ;
break ;
/*
case SF_STR_DATE :
psf_binheader_writef (psf, "Ems", ICRD_MARKER, psf->strings [k].str) ;
break ;
*/
} ;
} ;
return ;
} /* aiff_write_strings */
static int
aiff_command (SF_PRIVATE * UNUSED (psf), int UNUSED (command), void * UNUSED (data), int UNUSED (datasize))
{
return 0 ;
} /* aiff_command */
static const char*
get_loop_mode_str (short mode)
{ switch (mode)
{ case 0 : return "none" ;
case 1 : return "forward" ;
case 2 : return "backward" ;
} ;
return "*** unknown" ;
} /* get_loop_mode_str */
static short
get_loop_mode (short mode)
{ switch (mode)
{ case 0 : return SF_LOOP_NONE ;
case 1 : return SF_LOOP_FORWARD ;
case 2 : return SF_LOOP_BACKWARD ;
} ;
return SF_LOOP_NONE ;
} /* get_loop_mode */
/*==========================================================================================
** Rough hack at converting from 80 bit IEEE float in AIFF header to an int and
** back again. It assumes that all sample rates are between 1 and 800MHz, which
** should be OK as other sound file formats use a 32 bit integer to store sample
** rate.
** There is another (probably better) version in the source code to the SoX but it
** has a copyright which probably prevents it from being allowable as GPL/LGPL.
*/
static int
tenbytefloat2int (unsigned char *bytes)
{ int val = 3 ;
if (bytes [0] & 0x80) /* Negative number. */
return 0 ;
if (bytes [0] <= 0x3F) /* Less than 1. */
return 1 ;
if (bytes [0] > 0x40) /* Way too big. */
return 0x4000000 ;
if (bytes [0] == 0x40 && bytes [1] > 0x1C) /* Too big. */
return 800000000 ;
/* Ok, can handle it. */
val = (bytes [2] << 23) | (bytes [3] << 15) | (bytes [4] << 7) | (bytes [5] >> 1) ;
val >>= (29 - bytes [1]) ;
return val ;
} /* tenbytefloat2int */
static void
uint2tenbytefloat (unsigned int num, unsigned char *bytes)
{ unsigned int mask = 0x40000000 ;
int count ;
if (num <= 1)
{ bytes [0] = 0x3F ;
bytes [1] = 0xFF ;
bytes [2] = 0x80 ;
return ;
} ;
bytes [0] = 0x40 ;
if (num >= mask)
{ bytes [1] = 0x1D ;
return ;
} ;
for (count = 0 ; count <= 32 ; count ++)
{ if (num & mask)
break ;
mask >>= 1 ;
} ;
num <<= count + 1 ;
bytes [1] = 29 - count ;
bytes [2] = (num >> 24) & 0xFF ;
bytes [3] = (num >> 16) & 0xFF ;
bytes [4] = (num >> 8) & 0xFF ;
bytes [5] = num & 0xFF ;
} /* uint2tenbytefloat */
static int
aiff_read_basc_chunk (SF_PRIVATE * psf, int datasize)
{ const char * type_str ;
basc_CHUNK bc ;
int count ;
count = psf_binheader_readf (psf, "E442", &bc.version, &bc.numBeats, &bc.rootNote) ;
count += psf_binheader_readf (psf, "E222", &bc.scaleType, &bc.sigNumerator, &bc.sigDenominator) ;
count += psf_binheader_readf (psf, "E2j", &bc.loopType, datasize - sizeof (bc)) ;
psf_log_printf (psf, " Version ? : %u\n Num Beats : %u\n Root Note : 0x%x\n",
bc.version, bc.numBeats, bc.rootNote) ;
switch (bc.scaleType)
{ case basc_SCALE_MINOR :
type_str = "MINOR" ;
break ;
case basc_SCALE_MAJOR :
type_str = "MAJOR" ;
break ;
case basc_SCALE_NEITHER :
type_str = "NEITHER" ;
break ;
case basc_SCALE_BOTH :
type_str = "BOTH" ;
break ;
default :
type_str = "!!WRONG!!" ;
break ;
} ;
psf_log_printf (psf, " ScaleType : 0x%x (%s)\n", bc.scaleType, type_str) ;
psf_log_printf (psf, " Time Sig : %d/%d\n", bc.sigNumerator, bc.sigDenominator) ;
switch (bc.loopType)
{ case basc_TYPE_ONE_SHOT :
type_str = "One Shot" ;
break ;
case basc_TYPE_LOOP :
type_str = "Loop" ;
break ;
default:
type_str = "!!WRONG!!" ;
break ;
} ;
psf_log_printf (psf, " Loop Type : 0x%x (%s)\n", bc.loopType, type_str) ;
if ((psf->loop_info = calloc (1, sizeof (SF_LOOP_INFO))) == NULL)
return SFE_MALLOC_FAILED ;
psf->loop_info->time_sig_num = bc.sigNumerator ;
psf->loop_info->time_sig_den = bc.sigDenominator ;
psf->loop_info->loop_mode = (bc.loopType == basc_TYPE_ONE_SHOT) ? SF_LOOP_NONE : SF_LOOP_FORWARD ;
psf->loop_info->num_beats = bc.numBeats ;
/* Can always be recalculated from other known fields. */
psf->loop_info->bpm = (1.0 / psf->sf.frames) * psf->sf.samplerate
* ((bc.numBeats * 4.0) / bc.sigDenominator) * 60.0 ;
psf->loop_info->root_key = bc.rootNote ;
if (count < datasize)
psf_binheader_readf (psf, "j", datasize - count) ;
return 0 ;
} /* aiff_read_basc_chunk */
/*
** Do not edit or modify anything in this comment block.
** The arch-tag line is a file identity tag for the GNU Arch
** revision control system.
**
** arch-tag: 7dec56ca-d6f2-48cf-863b-a72e7e17a5d9
*/
Reference in New Issue View Git Blame Copy Permalink