/*
** Copyright (C) 1999-2016 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 <inttypes.h>
#include "sndfile.h"
#include "sfendian.h"
#include "common.h"
#include "chanmap.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 CHAN_MARKER (MAKE_MARKER ('C', 'H', 'A', 'N'))
#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'))
/*
** This value is officially assigned to Mega Nerd Pty Ltd by Apple
** Corportation as the Application marker for libsndfile.
**
** See : http://developer.apple.com/faq/datatype.html
*/
#define m3ga_MARKER (MAKE_MARKER ('m', '3', 'g', 'a'))
/* 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
{ uint32_t size ;
int16_t numChannels ;
uint32_t numSampleFrames ;
int16_t sampleSize ;
uint8_t sampleRate [10] ;
uint32_t encoding ;
char zero_bytes [2] ;
} COMM_CHUNK ;
typedef struct
{ uint32_t offset ;
uint32_t blocksize ;
} SSND_CHUNK ;
typedef struct
{ int16_t playMode ;
uint16_t beginLoop ;
uint16_t endLoop ;
} INST_LOOP ;
typedef struct
{ int8_t baseNote ; /* all notes are MIDI note numbers */
int8_t detune ; /* cents off, only -50 to +50 are significant */
int8_t lowNote ;
int8_t highNote ;
int8_t lowVelocity ; /* 1 to 127 */
int8_t highVelocity ; /* 1 to 127 */
int16_t 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
{ uint32_t version ;
uint32_t numBeats ;
uint16_t rootNote ;
uint16_t scaleType ;
uint16_t sigNumerator ;
uint16_t sigDenominator ;
uint16_t loopType ;
} basc_CHUNK ;
typedef struct
{ uint16_t markerID ;
uint32_t position ;
} MARK_ID_POS ;
typedef struct
{ sf_count_t comm_offset ;
sf_count_t ssnd_offset ;
int32_t chanmap_tag ;
MARK_ID_POS *markstr ;
} AIFF_PRIVATE ;
/*------------------------------------------------------------------------------
* Private static functions.
*/
static int aiff_close (SF_PRIVATE *psf) ;
static int tenbytefloat2int (uint8_t *bytes) ;
static void uint2tenbytefloat (uint32_t num, uint8_t *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 (int16_t mode) ;
static int16_t get_loop_mode (int16_t mode) ;
static int aiff_read_basc_chunk (SF_PRIVATE * psf, int) ;
static int aiff_read_chanmap (SF_PRIVATE * psf, unsigned dword) ;
static uint32_t marker_to_position (const MARK_ID_POS *m, uint16_t n, int marksize) ;
static int aiff_set_chunk (SF_PRIVATE *psf, const SF_CHUNK_INFO * chunk_info) ;
static SF_CHUNK_ITERATOR * aiff_next_chunk_iterator (SF_PRIVATE *psf, SF_CHUNK_ITERATOR * iterator) ;
static int aiff_get_chunk_size (SF_PRIVATE *psf, const SF_CHUNK_ITERATOR * iterator, SF_CHUNK_INFO * chunk_info) ;
static int aiff_get_chunk_data (SF_PRIVATE *psf, const SF_CHUNK_ITERATOR * iterator, SF_CHUNK_INFO * chunk_info) ;
/*------------------------------------------------------------------------------
** Public function.
*/
int
aiff_open (SF_PRIVATE *psf)
{ COMM_CHUNK comm_fmt ;
int error, subformat ;
memset (&comm_fmt, 0, sizeof (comm_fmt)) ;
subformat = SF_CODEC (psf->sf.format) ;
if ((psf->container_data = calloc (1, sizeof (AIFF_PRIVATE))) == NULL)
return SFE_MALLOC_FAILED ;
if (psf->file.mode == SFM_READ || (psf->file.mode == SFM_RDWR && psf->filelength > 0))
{ if ((error = aiff_read_header (psf, &comm_fmt)))
return error ;
psf->next_chunk_iterator = aiff_next_chunk_iterator ;
psf->get_chunk_size = aiff_get_chunk_size ;
psf->get_chunk_data = aiff_get_chunk_data ;
psf_fseek (psf, psf->dataoffset, SEEK_SET) ;
} ;
if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR)
{ if (psf->is_pipe)
return SFE_NO_PIPE_WRITE ;
if ((SF_CONTAINER (psf->sf.format)) != SF_FORMAT_AIFF)
return SFE_BAD_OPEN_FORMAT ;
if (psf->file.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->file.mode != SFM_RDWR || psf->filelength < 40)
{ psf->filelength = 0 ;
psf->datalength = 0 ;
psf->dataoffset = 0 ;
psf->sf.frames = 0 ;
} ;
psf->strings.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->set_chunk = aiff_set_chunk ;
} ;
psf->container_close = aiff_close ;
psf->command = aiff_command ;
switch (SF_CODEC (psf->sf.format))
{ 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 :
if (psf->sf.frames > comm_fmt.numSampleFrames)
psf->sf.frames = comm_fmt.numSampleFrames ;
break ;
case SF_FORMAT_DWVW_16 :
error = dwvw_init (psf, 16) ;
if (psf->sf.frames > comm_fmt.numSampleFrames)
psf->sf.frames = comm_fmt.numSampleFrames ;
break ;
case SF_FORMAT_DWVW_24 :
error = dwvw_init (psf, 24) ;
if (psf->sf.frames > comm_fmt.numSampleFrames)
psf->sf.frames = comm_fmt.numSampleFrames ;
break ;
case SF_FORMAT_DWVW_N :
if (psf->file.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) ;
if (psf->sf.frames > comm_fmt.numSampleFrames)
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) ;
if (psf->sf.frames > comm_fmt.numSampleFrames)
psf->sf.frames = comm_fmt.numSampleFrames ;
break ;
default : return SFE_UNIMPLEMENTED ;
} ;
if (psf->file.mode != SFM_WRITE && psf->sf.frames - comm_fmt.numSampleFrames != 0)
{ psf_log_printf (psf,
"*** Frame count read from 'COMM' chunk (%u) not equal to frame count\n"
"*** calculated from length of 'SSND' chunk (%u).\n",
comm_fmt.numSampleFrames, (uint32_t) psf->sf.frames) ;
} ;
return error ;
} /* aiff_open */
/*==========================================================================================
** Private functions.
*/
/* This function ought to check size */
static uint32_t
marker_to_position (const MARK_ID_POS *m, uint16_t 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 ;
AIFF_PRIVATE *paiff ;
BUF_UNION ubuf ;
uint32_t chunk_size = 0, FORMsize, SSNDsize, bytesread, mark_count = 0 ;
int k, found_chunk = 0, done = 0, error = 0 ;
char *cptr ;
int instr_found = 0, mark_found = 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)
{ unsigned marker ;
size_t jump = chunk_size & 1 ;
marker = chunk_size = 0 ;
psf_binheader_readf (psf, "Ejm4", jump, &marker, &chunk_size) ;
if (marker == 0)
{ sf_count_t pos = psf_ftell (psf) ;
psf_log_printf (psf, "Have 0 marker at position %D (0x%x).\n", pos, pos) ;
break ;
} ;
if (psf->file.mode == SFM_RDWR && (found_chunk & HAVE_SSND))
return SFE_AIFF_RW_SSND_NOT_LAST ;
psf_store_read_chunk_u32 (&psf->rchunks, marker, psf_ftell (psf), chunk_size) ;
switch (marker)
{ case FORM_MARKER :
if (found_chunk)
return SFE_AIFF_NO_FORM ;
FORMsize = chunk_size ;
found_chunk |= HAVE_FORM ;
psf_binheader_readf (psf, "m", &marker) ;
switch (marker)
{ case AIFC_MARKER :
case AIFF_MARKER :
found_chunk |= (marker == AIFC_MARKER) ? (HAVE_AIFC | HAVE_AIFF) : HAVE_AIFF ;
break ;
default :
break ;
} ;
if (psf->fileoffset > 0 && psf->filelength > FORMsize + 8)
{ /* Set file length. */
psf->filelength = FORMsize + 8 ;
psf_log_printf (psf, "FORM : %u\n %M\n", FORMsize, marker) ;
}
else if (FORMsize != psf->filelength - 2 * SIGNED_SIZEOF (chunk_size))
{ chunk_size = psf->filelength - 2 * sizeof (chunk_size) ;
psf_log_printf (psf, "FORM : %u (should be %u)\n %M\n", FORMsize, chunk_size, marker) ;
FORMsize = chunk_size ;
}
else
psf_log_printf (psf, "FORM : %u\n %M\n", FORMsize, marker) ;
/* Set this to 0, so we don't jump a byte when parsing the next marker. */
chunk_size = 0 ;
break ;
case COMM_MARKER :
paiff->comm_offset = psf_ftell (psf) - 8 ;
chunk_size += chunk_size & 1 ;
comm_fmt->size = chunk_size ;
if ((error = aiff_read_comm_chunk (psf, comm_fmt)) != 0)
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_log_printf (psf, "%M : %d\n", marker, chunk_size) ;
if (chunk_size != AIFF_PEAK_CHUNK_SIZE (psf->sf.channels))
{ psf_binheader_readf (psf, "j", chunk_size) ;
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 = ubuf.cbuf ;
for (k = 0 ; k < psf->sf.channels ; k++)
{ float value ;
uint32_t position ;
psf_binheader_readf (psf, "Ef4", &value, &position) ;
psf->peak_info->peaks [k].value = value ;
psf->peak_info->peaks [k].position = position ;
snprintf (cptr, sizeof (ubuf.scbuf), " %2d %-12" PRId64 " %g\n",
k, psf->peak_info->peaks [k].position, psf->peak_info->peaks [k].value) ;
cptr [sizeof (ubuf.scbuf) - 1] = 0 ;
psf_log_printf (psf, "%s", cptr) ;
} ;
psf->peak_info->peak_loc = ((found_chunk & HAVE_SSND) == 0) ? SF_PEAK_START : SF_PEAK_END ;
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) - 8 ;
SSNDsize = chunk_size ;
psf_binheader_readf (psf, "E44", &(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) ;
if (ssnd_fmt.offset == 0 || psf->dataoffset + ssnd_fmt.offset == ssnd_fmt.blocksize)
{ psf_log_printf (psf, " Offset : %u\n", ssnd_fmt.offset) ;
psf_log_printf (psf, " Block Size : %u\n", ssnd_fmt.blocksize) ;
psf->dataoffset += ssnd_fmt.offset ;
psf->datalength -= ssnd_fmt.offset ;
}
else
{ psf_log_printf (psf, " Offset : %u\n", ssnd_fmt.offset) ;
psf_log_printf (psf, " Block Size : %u ???\n", ssnd_fmt.blocksize) ;
psf->dataoffset += ssnd_fmt.offset ;
psf->datalength -= ssnd_fmt.offset ;
} ;
/* Only set dataend if there really is data at the end. */
if (psf->datalength + psf->dataoffset < psf->filelength)
psf->dataend = psf->datalength + psf->dataoffset ;
found_chunk |= HAVE_SSND ;
if (! psf->sf.seekable)
break ;
/* Seek to end of SSND chunk. */
psf_fseek (psf, psf->dataoffset + psf->datalength, SEEK_SET) ;
break ;
case c_MARKER :
if (chunk_size == 0)
break ;
if (chunk_size >= SIGNED_SIZEOF (ubuf.scbuf))
{ psf_log_printf (psf, " %M : %d (too big)\n", marker, chunk_size) ;
return SFE_INTERNAL ;
} ;
cptr = ubuf.cbuf ;
psf_binheader_readf (psf, "b", cptr, chunk_size + (chunk_size & 1)) ;
cptr [chunk_size] = 0 ;
psf_sanitize_string (cptr, chunk_size) ;
psf_log_printf (psf, " %M : %s\n", marker, cptr) ;
psf_store_string (psf, SF_STR_COPYRIGHT, cptr) ;
chunk_size += chunk_size & 1 ;
break ;
case AUTH_MARKER :
if (chunk_size == 0)
break ;
if (chunk_size >= SIGNED_SIZEOF (ubuf.scbuf) - 1)
{ psf_log_printf (psf, " %M : %d (too big)\n", marker, chunk_size) ;
return SFE_INTERNAL ;
} ;
cptr = ubuf.cbuf ;
psf_binheader_readf (psf, "b", cptr, chunk_size + (chunk_size & 1)) ;
cptr [chunk_size] = 0 ;
psf_log_printf (psf, " %M : %s\n", marker, cptr) ;
psf_store_string (psf, SF_STR_ARTIST, cptr) ;
chunk_size += chunk_size & 1 ;
break ;
case COMT_MARKER :
{ uint16_t count, id, len ;
uint32_t timestamp, bytes ;
if (chunk_size == 0)
break ;
bytes = chunk_size ;
bytes -= psf_binheader_readf (psf, "E2", &count) ;
psf_log_printf (psf, " %M : %d\n count : %d\n", marker, chunk_size, count) ;
for (k = 0 ; k < count ; k++)
{ bytes -= psf_binheader_readf (psf, "E422", ×tamp, &id, &len) ;
psf_log_printf (psf, " time : 0x%x\n marker : %x\n length : %d\n", timestamp, id, len) ;
if (len + 1 > SIGNED_SIZEOF (ubuf.scbuf))
{ psf_log_printf (psf, "\nError : string length (%d) too big.\n", len) ;
return SFE_INTERNAL ;
} ;
cptr = ubuf.cbuf ;
bytes -= psf_binheader_readf (psf, "b", cptr, len) ;
cptr [len] = 0 ;
psf_log_printf (psf, " string : %s\n", cptr) ;
} ;
if (bytes > 0)
psf_binheader_readf (psf, "j", bytes) ;
} ;
break ;
case APPL_MARKER :
{ unsigned appl_marker ;
if (chunk_size == 0)
break ;
if (chunk_size >= SIGNED_SIZEOF (ubuf.scbuf) - 1)
{ psf_log_printf (psf, " %M : %u (too big, skipping)\n", marker, chunk_size) ;
psf_binheader_readf (psf, "j", chunk_size + (chunk_size & 1)) ;
break ;
} ;
if (chunk_size < 4)
{ psf_log_printf (psf, " %M : %d (too small, skipping)\n", marker, chunk_size) ;
psf_binheader_readf (psf, "j", chunk_size + (chunk_size & 1)) ;
break ;
} ;
cptr = ubuf.cbuf ;
psf_binheader_readf (psf, "mb", &appl_marker, cptr, chunk_size + (chunk_size & 1) - 4) ;
cptr [chunk_size] = 0 ;
for (k = 0 ; k < (int) chunk_size ; k++)
if (! psf_isprint (cptr [k]))
{ cptr [k] = 0 ;
break ;
} ;
psf_log_printf (psf, " %M : %d\n AppSig : %M\n Name : %s\n", marker, chunk_size, appl_marker, cptr) ;
psf_store_string (psf, SF_STR_SOFTWARE, cptr) ;
chunk_size += chunk_size & 1 ;
} ;
break ;
case NAME_MARKER :
if (chunk_size == 0)
break ;
if (chunk_size >= SIGNED_SIZEOF (ubuf.scbuf) - 2)
{ psf_log_printf (psf, " %M : %d (too big)\n", marker, chunk_size) ;
return SFE_INTERNAL ;
} ;
cptr = ubuf.cbuf ;
psf_binheader_readf (psf, "b", cptr, chunk_size + (chunk_size & 1)) ;
cptr [chunk_size] = 0 ;
psf_log_printf (psf, " %M : %s\n", marker, cptr) ;
psf_store_string (psf, SF_STR_TITLE, cptr) ;
chunk_size += chunk_size & 1 ;
break ;
case ANNO_MARKER :
if (chunk_size == 0)
break ;
if (chunk_size >= SIGNED_SIZEOF (ubuf.scbuf) - 2)
{ psf_log_printf (psf, " %M : %d (too big)\n", marker, chunk_size) ;
return SFE_INTERNAL ;
} ;
cptr = ubuf.cbuf ;
psf_binheader_readf (psf, "b", cptr, chunk_size + (chunk_size & 1)) ;
cptr [chunk_size] = 0 ;
psf_log_printf (psf, " %M : %s\n", marker, cptr) ;
psf_store_string (psf, SF_STR_COMMENT, cptr) ;
chunk_size += chunk_size & 1 ;
break ;
case INST_MARKER :
if (chunk_size != SIZEOF_INST_CHUNK)
{ psf_log_printf (psf, " %M : %d (should be %d)\n", marker, chunk_size, SIZEOF_INST_CHUNK) ;
psf_binheader_readf (psf, "j", chunk_size) ;
break ;
} ;
psf_log_printf (psf, " %M : %d\n", marker, chunk_size) ;
{ uint8_t bytes [6] ;
int16_t 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) ;
} ;
{ int16_t mode ; /* 0 - no loop, 1 - forward looping, 2 - backward looping */
const char *loop_mode ;
uint16_t 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 [1].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_log_printf (psf, " basc : %u\n", chunk_size) ;
if ((error = aiff_read_basc_chunk (psf, chunk_size)))
return error ;
break ;
case MARK_MARKER :
psf_log_printf (psf, " %M : %d\n", marker, chunk_size) ;
{ uint16_t mark_id, n = 0 ;
uint32_t position ;
bytesread = psf_binheader_readf (psf, "E2", &n) ;
mark_count = n ;
psf_log_printf (psf, " Count : %u\n", mark_count) ;
if (paiff->markstr != NULL)
{ psf_log_printf (psf, "*** Second MARK chunk found. Throwing away the first.\n") ;
free (paiff->markstr) ;
} ;
paiff->markstr = calloc (mark_count, sizeof (MARK_ID_POS)) ;
if (paiff->markstr == NULL)
return SFE_MALLOC_FAILED ;
if (mark_count > 1000)
{ psf_log_printf (psf, " More than 1000 markers, skipping!\n") ;
psf_binheader_readf (psf, "j", chunk_size - bytesread) ;
break ;
} ;
if ((psf->cues = psf_cues_alloc (mark_count)) == NULL)
return SFE_MALLOC_FAILED ;
for (n = 0 ; n < mark_count && bytesread < chunk_size ; n++)
{ uint32_t pstr_len ;
uint8_t ch ;
bytesread += psf_binheader_readf (psf, "E241", &mark_id, &position, &ch) ;
psf_log_printf (psf, " Mark ID : %u\n Position : %u\n", mark_id, position) ;
psf->cues->cue_points [n].indx = mark_id ;
psf->cues->cue_points [n].position = 0 ;
psf->cues->cue_points [n].fcc_chunk = MAKE_MARKER ('d', 'a', 't', 'a') ; /* always data */
psf->cues->cue_points [n].chunk_start = 0 ;
psf->cues->cue_points [n].block_start = 0 ;
psf->cues->cue_points [n].sample_offset = position ;
pstr_len = (ch & 1) ? ch : ch + 1 ;
if (pstr_len < sizeof (ubuf.scbuf) - 1)
{ bytesread += psf_binheader_readf (psf, "b", ubuf.scbuf, pstr_len) ;
ubuf.scbuf [pstr_len] = 0 ;
}
else
{ uint32_t read_len = pstr_len - (sizeof (ubuf.scbuf) - 1) ;
bytesread += psf_binheader_readf (psf, "bj", ubuf.scbuf, read_len, pstr_len - read_len) ;
ubuf.scbuf [sizeof (ubuf.scbuf) - 1] = 0 ;
}
psf_log_printf (psf, " Name : %s\n", ubuf.scbuf) ;
psf_strlcpy (psf->cues->cue_points [n].name, sizeof (psf->cues->cue_points [n].name), ubuf.cbuf) ;
paiff->markstr [n].markerID = mark_id ;
paiff->markstr [n].position = position ;
/*
** TODO if ubuf.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", chunk_size - bytesread) ;
break ;
case FVER_MARKER :
found_chunk |= HAVE_FVER ;
/* Fall through to next case. */
case SFX_MARKER :
psf_log_printf (psf, " %M : %d\n", marker, chunk_size) ;
psf_binheader_readf (psf, "j", chunk_size) ;
break ;
case NONE_MARKER :
/* Fix for broken AIFC files with incorrect COMM chunk length. */
chunk_size = (chunk_size >> 24) - 3 ;
psf_log_printf (psf, " %M : %d\n", marker, chunk_size) ;
psf_binheader_readf (psf, "j", make_size_t (chunk_size)) ;
break ;
case CHAN_MARKER :
if (chunk_size < 12)
{ psf_log_printf (psf, " %M : %d (should be >= 12)\n", marker, chunk_size) ;
psf_binheader_readf (psf, "j", chunk_size) ;
break ;
}
psf_log_printf (psf, " %M : %d\n", marker, chunk_size) ;
if ((error = aiff_read_chanmap (psf, chunk_size)))
return error ;
break ;
default :
if (chunk_size >= 0xffff0000)
{ done = SF_TRUE ;
psf_log_printf (psf, "*** Unknown chunk marker (%X) at position %D with length %u. Exiting parser.\n", marker, psf_ftell (psf) - 8, chunk_size) ;
break ;
} ;
if (psf_isprint ((marker >> 24) & 0xFF) && psf_isprint ((marker >> 16) & 0xFF)
&& psf_isprint ((marker >> 8) & 0xFF) && psf_isprint (marker & 0xFF))
{ psf_log_printf (psf, " %M : %u (unknown marker)\n", marker, chunk_size) ;
psf_binheader_readf (psf, "j", chunk_size) ;
break ;
} ;
if (psf_ftell (psf) & 0x03)
{ psf_log_printf (psf, " Unknown chunk marker at position %D. Resynching.\n", psf_ftell (psf) - 8) ;
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 = SF_TRUE ;
break ;
} ; /* switch (marker) */
if (chunk_size >= psf->filelength)
{ psf_log_printf (psf, "*** Chunk size %u > file length %D. Exiting parser.\n", chunk_size, psf->filelength) ;
break ;
} ;
if ((! psf->sf.seekable) && (found_chunk & HAVE_SSND))
break ;
if (psf_ftell (psf) >= psf->filelength - (2 * SIGNED_SIZEOF (int32_t)))
break ;
} ; /* while (1) */
if (instr_found && mark_found)
{ int ji, str_index ;
/* Next loop will convert markers to loop positions for internal handling */
for (ji = 0 ; ji < psf->instrument->loop_count ; ji ++)
{ if (ji < ARRAY_LEN (psf->instrument->loops))
{ psf->instrument->loops [ji].start = marker_to_position (paiff->markstr, psf->instrument->loops [ji].start, mark_count) ;
psf->instrument->loops [ji].end = marker_to_position (paiff->markstr, psf->instrument->loops [ji].end, mark_count) ;
psf->instrument->loops [ji].mode = SF_LOOP_FORWARD ;
} ;
} ;
/* The markers that correspond to loop positions can now be removed from cues struct */
if (psf->cues->cue_count > (uint32_t) (psf->instrument->loop_count * 2))
{ uint32_t j ;
for (j = 0 ; j < psf->cues->cue_count - (uint32_t) (psf->instrument->loop_count * 2) ; j ++)
{ /* This simply copies the information in cues above loop positions and writes it at current count instead */
psf->cues->cue_points [j].indx = psf->cues->cue_points [j + psf->instrument->loop_count * 2].indx ;
psf->cues->cue_points [j].position = psf->cues->cue_points [j + psf->instrument->loop_count * 2].position ;
psf->cues->cue_points [j].fcc_chunk = psf->cues->cue_points [j + psf->instrument->loop_count * 2].fcc_chunk ;
psf->cues->cue_points [j].chunk_start = psf->cues->cue_points [j + psf->instrument->loop_count * 2].chunk_start ;
psf->cues->cue_points [j].block_start = psf->cues->cue_points [j + psf->instrument->loop_count * 2].block_start ;
psf->cues->cue_points [j].sample_offset = psf->cues->cue_points [j + psf->instrument->loop_count * 2].sample_offset ;
for (str_index = 0 ; str_index < 256 ; str_index++)
psf->cues->cue_points [j].name [str_index] = psf->cues->cue_points [j + psf->instrument->loop_count * 2].name [str_index] ;
} ;
psf->cues->cue_count -= psf->instrument->loop_count * 2 ;
} else
{ /* All the cues were in fact loop positions so we can actually remove the cues altogether */
free (psf->cues) ;
psf->cues = NULL ;
}
} ;
if (psf->sf.channels < 1)
return SFE_CHANNEL_COUNT_ZERO ;
if (psf->sf.channels >= SF_MAX_CHANNELS)
return SFE_CHANNEL_COUNT ;
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)
{ AIFF_PRIVATE *paiff = psf->container_data ;
if (paiff != NULL && paiff->markstr != NULL)
{ free (paiff->markstr) ;
paiff->markstr = NULL ;
} ;
if (psf->file.mode == SFM_WRITE || psf->file.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)
{ BUF_UNION ubuf ;
int subformat, samplerate ;
ubuf.scbuf [0] = 0 ;
/* 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.
*/
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_32 (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)
psf_binheader_readf (psf, "Em", &(comm_fmt->encoding)) ;
else if (comm_fmt->size >= SIZEOF_AIFC_COMM)
{ uint8_t encoding_len ;
unsigned read_len ;
psf_binheader_readf (psf, "Em1", &(comm_fmt->encoding), &encoding_len) ;
comm_fmt->size = SF_MIN (sizeof (ubuf.scbuf), make_size_t (comm_fmt->size)) ;
memset (ubuf.scbuf, 0, comm_fmt->size) ;
read_len = comm_fmt->size - SIZEOF_AIFC_COMM + 1 ;
psf_binheader_readf (psf, "b", ubuf.scbuf, read_len) ;
ubuf.scbuf [read_len + 1] = 0 ;
} ;
samplerate = tenbytefloat2int (comm_fmt->sampleRate) ;
psf_log_printf (psf, " Sample Rate : %d\n", samplerate) ;
psf_log_printf (psf, " Frames : %u%s\n", comm_fmt->numSampleFrames, (comm_fmt->numSampleFrames == 0 && psf->filelength > 104) ? " (Should not be 0)" : "") ;
if (comm_fmt->numChannels < 1 || comm_fmt->numChannels >= SF_MAX_CHANNELS)
{ psf_log_printf (psf, " Channels : %d (should be >= 1 and < %d)\n", comm_fmt->numChannels, SF_MAX_CHANNELS) ;
return SFE_CHANNEL_COUNT_BAD ;
} ;
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->sf.samplerate = samplerate ;
psf->sf.frames = comm_fmt->numSampleFrames ;
psf->sf.channels = comm_fmt->numChannels ;
psf->bytewidth = BITWIDTH2BYTES (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) ;
return SFE_UNIMPLEMENTED ;
} ;
if (! ubuf.scbuf [0])
psf_log_printf (psf, " Encoding : %M\n", comm_fmt->encoding) ;
else
psf_log_printf (psf, " Encoding : %M => %s\n", comm_fmt->encoding, ubuf.scbuf) ;
return 0 ;
} /* aiff_read_comm_chunk */
/*==========================================================================================
*/
static void
aiff_rewrite_header (SF_PRIVATE *psf)
{
/* 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.
*/
int k, ch, comm_size, comm_frames ;
psf_fseek (psf, 0, SEEK_SET) ;
psf_fread (psf->header.ptr, psf->dataoffset, 1, psf) ;
psf->header.indx = 0 ;
/* FORM chunk. */
psf_binheader_writef (psf, "Etm8", FORM_MARKER, psf->filelength - 8) ;
/* COMM chunk. */
if ((k = psf_find_read_chunk_m32 (&psf->rchunks, COMM_MARKER)) >= 0)
{ psf->header.indx = psf->rchunks.chunks [k].offset - 8 ;
comm_frames = psf->sf.frames ;
comm_size = psf->rchunks.chunks [k].len ;
psf_binheader_writef (psf, "Em42t4", COMM_MARKER, comm_size, psf->sf.channels, comm_frames) ;
} ;
/* PEAK chunk. */
if ((k = psf_find_read_chunk_m32 (&psf->rchunks, PEAK_MARKER)) >= 0)
{ psf->header.indx = psf->rchunks.chunks [k].offset - 8 ;
psf_binheader_writef (psf, "Em4", PEAK_MARKER, AIFF_PEAK_CHUNK_SIZE (psf->sf.channels)) ;
psf_binheader_writef (psf, "E44", 1, time (NULL)) ;
for (ch = 0 ; ch < psf->sf.channels ; ch++)
psf_binheader_writef (psf, "Eft8", (float) psf->peak_info->peaks [ch].value, psf->peak_info->peaks [ch].position) ;
} ;
/* SSND chunk. */
if ((k = psf_find_read_chunk_m32 (&psf->rchunks, SSND_MARKER)) >= 0)
{ psf->header.indx = psf->rchunks.chunks [k].offset - 8 ;
psf_binheader_writef (psf, "Etm8", SSND_MARKER, psf->datalength + SIZEOF_SSND_CHUNK) ;
} ;
/* Header mangling complete so write it out. */
psf_fseek (psf, 0, SEEK_SET) ;
psf_fwrite (psf->header.ptr, psf->header.indx, 1, psf) ;
return ;
} /* aiff_rewrite_header */
static uint16_t
convert_loop_mode (int type_mode)
{ switch (type_mode)
{ case SF_LOOP_NONE:
return 0 ;
case SF_LOOP_FORWARD :
return 1 ;
case SF_LOOP_ALTERNATING :
return 2 ;
default : break ;
} ;
return 0 ;
} /* convert_loop_mode */
static int
aiff_write_header (SF_PRIVATE *psf, int calc_length)
{ sf_count_t current ;
AIFF_PRIVATE *paiff ;
uint8_t comm_sample_rate [10], comm_zero_bytes [2] = { 0, 0 } ;
uint32_t comm_type, comm_size, comm_encoding, comm_frames = 0, uk ;
int k, endian, has_data = SF_FALSE ;
int16_t bit_width ;
if ((paiff = psf->container_data) == NULL)
return SFE_INTERNAL ;
current = psf_ftell (psf) ;
if (current > psf->dataoffset)
has_data = SF_TRUE ;
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->file.mode == SFM_RDWR && psf->dataoffset > 0 && psf->rchunks.count > 0)
{ aiff_rewrite_header (psf) ;
if (current > 0)
psf_fseek (psf, current, SEEK_SET) ;
return 0 ;
} ;
endian = SF_ENDIAN (psf->sf.format) ;
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 (SF_CODEC (psf->sf.format) | endian)
{ case SF_FORMAT_PCM_S8 | SF_ENDIAN_BIG :
psf->endian = SF_ENDIAN_BIG ;
comm_type = AIFC_MARKER ;
comm_size = SIZEOF_AIFC_COMM ;
comm_encoding = twos_MARKER ;
break ;
case SF_FORMAT_PCM_S8 | SF_ENDIAN_LITTLE :
psf->endian = SF_ENDIAN_LITTLE ;
comm_type = AIFC_MARKER ;
comm_size = SIZEOF_AIFC_COMM ;
comm_encoding = sowt_MARKER ;
break ;
case SF_FORMAT_PCM_16 | SF_ENDIAN_BIG :
psf->endian = SF_ENDIAN_BIG ;
comm_type = AIFC_MARKER ;
comm_size = SIZEOF_AIFC_COMM ;
comm_encoding = twos_MARKER ;
break ;
case SF_FORMAT_PCM_16 | SF_ENDIAN_LITTLE :
psf->endian = SF_ENDIAN_LITTLE ;
comm_type = AIFC_MARKER ;
comm_size = SIZEOF_AIFC_COMM ;
comm_encoding = sowt_MARKER ;
break ;
case SF_FORMAT_PCM_24 | SF_ENDIAN_BIG :
psf->endian = SF_ENDIAN_BIG ;
comm_type = AIFC_MARKER ;
comm_size = SIZEOF_AIFC_COMM ;
comm_encoding = in24_MARKER ;
break ;
case SF_FORMAT_PCM_24 | SF_ENDIAN_LITTLE :
psf->endian = SF_ENDIAN_LITTLE ;
comm_type = AIFC_MARKER ;
comm_size = SIZEOF_AIFC_COMM ;
comm_encoding = ni24_MARKER ;
break ;
case SF_FORMAT_PCM_32 | SF_ENDIAN_BIG :
psf->endian = SF_ENDIAN_BIG ;
comm_type = AIFC_MARKER ;
comm_size = SIZEOF_AIFC_COMM ;
comm_encoding = in32_MARKER ;
break ;
case SF_FORMAT_PCM_32 | SF_ENDIAN_LITTLE :
psf->endian = SF_ENDIAN_LITTLE ;
comm_type = AIFC_MARKER ;
comm_size = SIZEOF_AIFC_COMM ;
comm_encoding = ni32_MARKER ;
break ;
case SF_FORMAT_PCM_S8 : /* SF_ENDIAN_FILE */
case SF_FORMAT_PCM_16 :
case SF_FORMAT_PCM_24 :
case SF_FORMAT_PCM_32 :
psf->endian = SF_ENDIAN_BIG ;
comm_type = AIFF_MARKER ;
comm_size = SIZEOF_AIFF_COMM ;
comm_encoding = 0 ;
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.ptr [0] = 0 ;
psf->header.indx = 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, "Emm44", comm_type, FVER_MARKER, 4, 0xA2805140) ;
else
psf_binheader_writef (psf, "Em", comm_type) ;
paiff->comm_offset = psf->header.indx - 8 ;
memset (comm_sample_rate, 0, sizeof (comm_sample_rate)) ;
uint2tenbytefloat (psf->sf.samplerate, comm_sample_rate) ;
psf_binheader_writef (psf, "Em42t42", COMM_MARKER, comm_size, 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->channel_map && paiff->chanmap_tag)
psf_binheader_writef (psf, "Em4444", CHAN_MARKER, 12, paiff->chanmap_tag, 0, 0) ;
/* Check if there's a INST chunk to write */
if (psf->instrument != NULL && psf->cues != NULL)
{ /* Both loops and cues exist */
uint16_t sustainLoopMode, releaseLoopMode ;
uint32_t idx, sLoopStart = 0, sLoopEnd = 0, rLoopStart = 0, rLoopEnd = 0 ;
int totalStringLength = 0, stringLength ;
/* Here we count how many bytes will the pascal strings need */
for (idx = 0 ; idx < psf->cues->cue_count ; idx++)
{ stringLength = strlen (psf->cues->cue_points [idx].name) + 1 ; /* We'll count the first byte also of every pascal string */
if (stringLength % 2 == 0)
totalStringLength += stringLength ;
else
totalStringLength += (stringLength + 1) ; /* The pascal string must have an even count */
}
/* First we check which loops are active and create the necessary MARK chunk for markers */
/* The first written markers will be references from loop points then comes the real markers */
if (psf->instrument->loops [0].mode != SF_LOOP_NONE && psf->instrument->loops [1].mode != SF_LOOP_NONE)
{ /* There's both a sustain loop and a release loop */
psf_binheader_writef (psf, "Em42 241b 241b 241b 241b",
MARK_MARKER, 2 + 2 * (2 + 4 + 1 + 19) + 2 * (2 + 4 + 1 + 17) + psf->cues->cue_count * (2 + 4) + totalStringLength, 4 + psf->cues->cue_count,
1, psf->instrument->loops [0].start, 18, "sustain loop start", make_size_t (19),
2, psf->instrument->loops [0].end, 16, "sustain loop end", make_size_t (17),
3, psf->instrument->loops [1].start, 18, "release loop start", make_size_t (19),
4, psf->instrument->loops [1].end, 16, "release loop end", make_size_t (17)) ;
/* Now comes true markers from cues struct */
for (idx = 0 ; idx < psf->cues->cue_count ; idx++)
psf_binheader_writef (psf, "E24p", 5 + idx, psf->cues->cue_points [idx].sample_offset, psf->cues->cue_points [idx].name) ;
/* Change the loops to be references to the markers */
sLoopStart = 1 ;
sLoopEnd = 2 ;
rLoopStart = 3 ;
rLoopEnd = 4 ;
}
else if (psf->instrument->loops [0].mode != SF_LOOP_NONE && psf->instrument->loops [1].mode == SF_LOOP_NONE)
{ /* There's a sustain loop but no release loop */
psf_binheader_writef (psf, "Em42241b241b",
MARK_MARKER, 2 + (2 + 4 + 1 + 19) + (2 + 4 + 1 + 17) + psf->cues->cue_count * (2 + 4) + totalStringLength, 2 + psf->cues->cue_count,
1, psf->instrument->loops [0].start, 18, "sustain loop start", make_size_t (19),
2, psf->instrument->loops [0].end, 16, "sustain loop end", make_size_t (17)) ;
/* Now comes true markers from cues struct */
for (idx = 0 ; idx < psf->cues->cue_count ; idx++)
psf_binheader_writef (psf, "E24p", 3 + idx, psf->cues->cue_points [idx].sample_offset, psf->cues->cue_points [idx].name) ;
/* Change the loops to be references to the markers */
sLoopStart = 1 ;
sLoopEnd = 2 ;
rLoopStart = 0 ;
rLoopEnd = 0 ;
}
else if (psf->instrument->loops [0].mode == SF_LOOP_NONE && psf->instrument->loops [1].mode != SF_LOOP_NONE)
{ /* There's a release loop but no sustain loop! Strange indeed! */
psf_binheader_writef (psf, "Em42241b241b",
MARK_MARKER, 2 + (2 + 4 + 1 + 19) + (2 + 4 + 1 + 17) + psf->cues->cue_count * (2 + 4) + totalStringLength, 2 + psf->cues->cue_count,
1, psf->instrument->loops [1].start, 18, "release loop start", make_size_t (19),
2, psf->instrument->loops [1].end, 16, "release loop end", make_size_t (17)) ;
/* Now comes true markers from cues struct */
for (idx = 0 ; idx < psf->cues->cue_count ; idx++)
psf_binheader_writef (psf, "E24p", 3 + idx, psf->cues->cue_points [idx].sample_offset, psf->cues->cue_points [idx].name) ;
/* Change the loops to be references to the markers */
sLoopStart = 0 ;
sLoopEnd = 0 ;
rLoopStart = 1 ;
rLoopEnd = 2 ;
} ;
/* First convert loop modes to aiff standard */
sustainLoopMode = convert_loop_mode (psf->instrument->loops [0].mode) ;
releaseLoopMode = convert_loop_mode (psf->instrument->loops [1].mode) ;
/* Now we finally write the actual INST chunk */
psf_binheader_writef (psf, "Em4111111", INST_MARKER, SIZEOF_INST_CHUNK, psf->instrument->basenote, psf->instrument->detune,
psf->instrument->key_lo, psf->instrument->key_hi, psf->instrument->velocity_lo, psf->instrument->velocity_hi) ;
psf_binheader_writef (psf, "E2222222", (short) psf->instrument->gain,
sustainLoopMode, sLoopStart, sLoopEnd,
releaseLoopMode, rLoopStart, rLoopEnd) ;
}
else if (psf->instrument != NULL && psf->cues == NULL)
{ /* There are loops but no cues */
uint16_t sustainLoopMode, releaseLoopMode ;
uint32_t sLoopStart = 0, sLoopEnd = 0, rLoopStart = 0, rLoopEnd = 0 ;
/* First we check which loops are active and create the necessary MARK chunk for markers */
if (psf->instrument->loops [0].mode != SF_LOOP_NONE && psf->instrument->loops [1].mode != SF_LOOP_NONE)
{ /* There's both a sustain loop and a release loop */
psf_binheader_writef (psf, "Em42 241b 241b 241b 241b",
MARK_MARKER, 2 + 2 * (2 + 4 + 1 + 19) + 2 * (2 + 4 + 1 + 17), 4,
1, psf->instrument->loops [0].start, 18, "sustain loop start", make_size_t (19),
2, psf->instrument->loops [0].end, 16, "sustain loop end", make_size_t (17),
3, psf->instrument->loops [1].start, 18, "release loop start", make_size_t (19),
4, psf->instrument->loops [1].end, 16, "release loop end", make_size_t (17)) ;
/* Change the loops to be references to the markers */
sLoopStart = 1 ;
sLoopEnd = 2 ;
rLoopStart = 3 ;
rLoopEnd = 4 ;
}
else if (psf->instrument->loops [0].mode != SF_LOOP_NONE && psf->instrument->loops [1].mode == SF_LOOP_NONE)
{ /* There's a sustain loop but no release loop */
psf_binheader_writef (psf, "Em42241b241b",
MARK_MARKER, 2 + (2 + 4 + 1 + 19) + (2 + 4 + 1 + 17), 2,
1, psf->instrument->loops [0].start, 18, "sustain loop start", make_size_t (19),
2, psf->instrument->loops [0].end, 16, "sustain loop end", make_size_t (17)) ;
/* Change the loops to be references to the markers */
sLoopStart = 1 ;
sLoopEnd = 2 ;
rLoopStart = 0 ;
rLoopEnd = 0 ;
}
else if (psf->instrument->loops [0].mode == SF_LOOP_NONE && psf->instrument->loops [1].mode != SF_LOOP_NONE)
{ /* There's a release loop but no sustain loop! Strange indeed! */
psf_binheader_writef (psf, "Em42241b241b",
MARK_MARKER, 2 + (2 + 4 + 1 + 19) + (2 + 4 + 1 + 17), 2,
1, psf->instrument->loops [1].start, 18, "release loop start", make_size_t (19),
2, psf->instrument->loops [1].end, 16, "release loop end", make_size_t (17)) ;
/* Change the loops to be references to the markers */
sLoopStart = 0 ;
sLoopEnd = 0 ;
rLoopStart = 1 ;
rLoopEnd = 2 ;
} ;
/* First convert loop modes to aiff standard */
sustainLoopMode = convert_loop_mode (psf->instrument->loops [0].mode) ;
releaseLoopMode = convert_loop_mode (psf->instrument->loops [1].mode) ;
/* Now we finally write the actual INST chunk */
psf_binheader_writef (psf, "Em4111111", INST_MARKER, SIZEOF_INST_CHUNK, psf->instrument->basenote, psf->instrument->detune,
psf->instrument->key_lo, psf->instrument->key_hi, psf->instrument->velocity_lo, psf->instrument->velocity_hi) ;
psf_binheader_writef (psf, "E2222222", (short) psf->instrument->gain,
sustainLoopMode, sLoopStart, sLoopEnd,
releaseLoopMode, rLoopStart, rLoopEnd) ;
}
else if (psf->instrument == NULL && psf->cues != NULL)
{ /* There are cues but no loops */
uint32_t idx ;
int totalStringLength = 0, stringLength ;
/* Here we count how many bytes will the pascal strings need */
for (idx = 0 ; idx < psf->cues->cue_count ; idx++)
{ stringLength = strlen (psf->cues->cue_points [idx].name) + 1 ; /* We'll count the first byte also of every pascal string */
totalStringLength += stringLength + (stringLength % 2 == 0 ? 0 : 1) ;
} ;
psf_binheader_writef (psf, "Em42",
MARK_MARKER, 2 + psf->cues->cue_count * (2 + 4) + totalStringLength, psf->cues->cue_count) ;
for (idx = 0 ; idx < psf->cues->cue_count ; idx++)
psf_binheader_writef (psf, "E24p", psf->cues->cue_points [idx].indx, psf->cues->cue_points [idx].sample_offset, psf->cues->cue_points [idx].name) ;
} ;
if (psf->strings.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 custom headers. */
for (uk = 0 ; uk < psf->wchunks.used ; uk++)
psf_binheader_writef (psf, "Em4b", psf->wchunks.chunks [uk].mark32, psf->wchunks.chunks [uk].len, psf->wchunks.chunks [uk].data, make_size_t (psf->wchunks.chunks [uk].len)) ;
/* Write SSND chunk. */
paiff->ssnd_offset = psf->header.indx ;
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.ptr, psf->header.indx, 1, psf) ;
if (psf->error)
return psf->error ;
if (has_data && psf->dataoffset != psf->header.indx)
return psf->error = SFE_INTERNAL ;
psf->dataoffset = psf->header.indx ;
if (! has_data)
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.ptr [0] = 0 ;
psf->header.indx = 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.ptr, 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->strings.flags & SF_STR_LOCATE_END)
aiff_write_strings (psf, SF_STR_LOCATE_END) ;
/* Write the tailer. */
if (psf->header.indx > 0)
psf_fwrite (psf->header.ptr, psf->header.indx, 1, psf) ;
return 0 ;
} /* aiff_write_tailer */
static void
aiff_write_strings (SF_PRIVATE *psf, int location)
{ int k, slen ;
for (k = 0 ; k < SF_MAX_STRINGS ; k++)
{ if (psf->strings.data [k].type == 0)
break ;
if (psf->strings.data [k].flags != location)
continue ;
switch (psf->strings.data [k].type)
{ case SF_STR_SOFTWARE :
slen = strlen (psf->strings.storage + psf->strings.data [k].offset) ;
psf_binheader_writef (psf, "Em4mb", APPL_MARKER, slen + 4, m3ga_MARKER, psf->strings.storage + psf->strings.data [k].offset, make_size_t (slen + (slen & 1))) ;
break ;
case SF_STR_TITLE :
psf_binheader_writef (psf, "EmS", NAME_MARKER, psf->strings.storage + psf->strings.data [k].offset) ;
break ;
case SF_STR_COPYRIGHT :
psf_binheader_writef (psf, "EmS", c_MARKER, psf->strings.storage + psf->strings.data [k].offset) ;
break ;
case SF_STR_ARTIST :
psf_binheader_writef (psf, "EmS", AUTH_MARKER, psf->strings.storage + psf->strings.data [k].offset) ;
break ;
case SF_STR_COMMENT :
psf_binheader_writef (psf, "EmS", ANNO_MARKER, psf->strings.storage + psf->strings.data [k].offset) ;
break ;
/*
case SF_STR_DATE :
psf_binheader_writef (psf, "Ems", ICRD_MARKER, psf->strings.data [k].str) ;
break ;
*/
} ;
} ;
return ;
} /* aiff_write_strings */
static int
aiff_command (SF_PRIVATE * psf, int command, void * UNUSED (data), int UNUSED (datasize))
{ AIFF_PRIVATE *paiff ;
if ((paiff = psf->container_data) == NULL)
return SFE_INTERNAL ;
switch (command)
{ case SFC_SET_CHANNEL_MAP_INFO :
paiff->chanmap_tag = aiff_caf_find_channel_layout_tag (psf->channel_map, psf->sf.channels) ;
return (paiff->chanmap_tag != 0) ;
default :
break ;
} ;
return 0 ;
} /* aiff_command */
static const char*
get_loop_mode_str (int16_t mode)
{ switch (mode)
{ case 0 : return "none" ;
case 1 : return "forward" ;
case 2 : return "backward" ;
} ;
return "*** unknown" ;
} /* get_loop_mode_str */
static int16_t
get_loop_mode (int16_t 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 (uint8_t *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 (uint32_t num, uint8_t *bytes)
{ uint32_t 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 < 31 ? num << (count + 1) : 0 ;
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 */
static int
aiff_read_chanmap (SF_PRIVATE * psf, unsigned dword)
{ const AIFF_CAF_CHANNEL_MAP * map_info ;
unsigned channel_bitmap, channel_decriptions, bytesread ;
int layout_tag ;
bytesread = psf_binheader_readf (psf, "444", &layout_tag, &channel_bitmap, &channel_decriptions) ;
if ((map_info = aiff_caf_of_channel_layout_tag (layout_tag)) == NULL)
return 0 ;
psf_log_printf (psf, " Tag : %x\n", layout_tag) ;
if (map_info)
psf_log_printf (psf, " Layout : %s\n", map_info->name) ;
if (bytesread < dword)
psf_binheader_readf (psf, "j", dword - bytesread) ;
if (map_info->channel_map != NULL)
{ size_t chanmap_size = psf->sf.channels * sizeof (psf->channel_map [0]) ;
free (psf->channel_map) ;
if ((psf->channel_map = malloc (chanmap_size)) == NULL)
return SFE_MALLOC_FAILED ;
memcpy (psf->channel_map, map_info->channel_map, chanmap_size) ;
} ;
return 0 ;
} /* aiff_read_chanmap */
/*==============================================================================
*/
static int
aiff_set_chunk (SF_PRIVATE *psf, const SF_CHUNK_INFO * chunk_info)
{ return psf_save_write_chunk (&psf->wchunks, chunk_info) ;
} /* aiff_set_chunk */
static SF_CHUNK_ITERATOR *
aiff_next_chunk_iterator (SF_PRIVATE *psf, SF_CHUNK_ITERATOR * iterator)
{ return psf_next_chunk_iterator (&psf->rchunks, iterator) ;
} /* aiff_next_chunk_iterator */
static int
aiff_get_chunk_size (SF_PRIVATE *psf, const SF_CHUNK_ITERATOR * iterator, SF_CHUNK_INFO * chunk_info)
{ int indx ;
if ((indx = psf_find_read_chunk_iterator (&psf->rchunks, iterator)) < 0)
return SFE_UNKNOWN_CHUNK ;
chunk_info->datalen = psf->rchunks.chunks [indx].len ;
return SFE_NO_ERROR ;
} /* aiff_get_chunk_size */
static int
aiff_get_chunk_data (SF_PRIVATE *psf, const SF_CHUNK_ITERATOR * iterator, SF_CHUNK_INFO * chunk_info)
{ sf_count_t pos ;
int indx ;
if ((indx = psf_find_read_chunk_iterator (&psf->rchunks, iterator)) < 0)
return SFE_UNKNOWN_CHUNK ;
if (chunk_info->data == NULL)
return SFE_BAD_CHUNK_DATA_PTR ;
chunk_info->id_size = psf->rchunks.chunks [indx].id_size ;
memcpy (chunk_info->id, psf->rchunks.chunks [indx].id, sizeof (chunk_info->id) / sizeof (*chunk_info->id)) ;
pos = psf_ftell (psf) ;
psf_fseek (psf, psf->rchunks.chunks [indx].offset, SEEK_SET) ;
psf_fread (chunk_info->data, SF_MIN (chunk_info->datalen, psf->rchunks.chunks [indx].len), 1, psf) ;
psf_fseek (psf, pos, SEEK_SET) ;
return SFE_NO_ERROR ;
} /* aiff_get_chunk_data */