aiff.c
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上传日期:2022-01-05
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- /*
- ** Copyright (C) 1999-2009 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
- { 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
- { PRIV_CHUNK4 chunk4 ;
- sf_count_t comm_offset ;
- sf_count_t ssnd_offset ;
- int chanmap_tag ;
- MARK_ID_POS *markstr ;
- } 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 int aiff_read_chanmap (SF_PRIVATE * psf, unsigned dword) ;
- 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 = 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_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->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 (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 :
- 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->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) ;
- psf->sf.frames = comm_fmt.numSampleFrames ;
- break ;
- } ;
- psf_log_printf (psf, "AIFC/DWVW : Bad bitwidth %dn", 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 ;
- AIFF_PRIVATE *paiff ;
- unsigned marker, dword, FORMsize, SSNDsize, bytesread ;
- int k, found_chunk = 0, done = 0, error = 0 ;
- char *cptr ;
- 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->file.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) ;
- pchk4_store (&(paiff->chunk4), marker, psf->headindex - 8, FORMsize) ;
- if (psf->fileoffset > 0 && psf->filelength > FORMsize + 8)
- { /* Set file length. */
- psf->filelength = FORMsize + 8 ;
- psf_log_printf (psf, "FORM : %un", 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 : %un", 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, " %Mn", 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) ;
- pchk4_store (&paiff->chunk4, marker, paiff->comm_offset, comm_fmt->size) ;
- 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) ;
- pchk4_store (&paiff->chunk4, marker, psf->headindex - 8, dword) ;
- psf_log_printf (psf, "%M : %dn", 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 : %dn", psf->peak_info->version) ;
- psf_log_printf (psf, " time stamp : %dn", psf->peak_info->timestamp) ;
- psf_log_printf (psf, " Ch Position Valuen") ;
- 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 ;
- snprintf (cptr, sizeof (psf->u.scbuf), " %2d %-12" PRId64 " %gn",
- dword, psf->peak_info->peaks [dword].position, psf->peak_info->peaks [dword].value) ;
- cptr [sizeof (psf->u.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) - 4 ;
- psf_binheader_readf (psf, "E444", &SSNDsize, &(ssnd_fmt.offset), &(ssnd_fmt.blocksize)) ;
- pchk4_store (&paiff->chunk4, marker, paiff->ssnd_offset, SSNDsize) ;
- 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 : %un", SSNDsize) ;
- if (ssnd_fmt.offset == 0 || psf->dataoffset + ssnd_fmt.offset == ssnd_fmt.blocksize)
- { psf_log_printf (psf, " Offset : %un", ssnd_fmt.offset) ;
- psf_log_printf (psf, " Block Size : %un", ssnd_fmt.blocksize) ;
- psf->dataoffset += ssnd_fmt.offset ;
- psf->datalength -= ssnd_fmt.offset ;
- }
- else
- { psf_log_printf (psf, " Offset : %u (Should be zero)n", ssnd_fmt.offset) ;
- psf_log_printf (psf, " Block Size : %u ???n", ssnd_fmt.blocksize) ;
- } ;
- /* 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 + (SSNDsize & 1), SEEK_SET) ;
- break ;
- case c_MARKER :
- psf_binheader_readf (psf, "E4", &dword) ;
- pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ;
- if (dword == 0)
- break ;
- if (dword >= SIGNED_SIZEOF (psf->u.scbuf))
- { 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 ;
- psf_sanitize_string (cptr, dword) ;
- psf_log_printf (psf, " %M : %sn", marker, cptr) ;
- psf_store_string (psf, SF_STR_COPYRIGHT, cptr) ;
- break ;
- case AUTH_MARKER :
- psf_binheader_readf (psf, "E4", &dword) ;
- pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, 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 ;
- psf_log_printf (psf, " %M : %sn", 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) ;
- pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ;
- psf_log_printf (psf, " %M : %dn count : %dn", marker, dword, count) ;
- dword += (dword & 1) ;
- if (dword == 0)
- break ;
- dword -= 2 ;
- for (k = 0 ; k < count ; k++)
- { dword -= psf_binheader_readf (psf, "E422", ×tamp, &id, &len) ;
- psf_log_printf (psf, " time : 0x%xn marker : %xn length : %dn", 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 : %sn", cptr) ;
- } ;
- if (dword > 0)
- psf_binheader_readf (psf, "j", dword) ;
- } ;
- break ;
- case APPL_MARKER :
- { unsigned appl_marker ;
- psf_binheader_readf (psf, "E4", &dword) ;
- pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, 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 ;
- } ;
- if (dword < 4)
- { psf_log_printf (psf, " %M : %d (too small, skipping)n", marker, dword) ;
- psf_binheader_readf (psf, "j", dword + (dword & 1)) ;
- break ;
- } ;
- cptr = psf->u.cbuf ;
- psf_binheader_readf (psf, "mb", &appl_marker, cptr, dword + (dword & 1) - 4) ;
- cptr [dword] = 0 ;
- for (k = 0 ; k < (int) dword ; k++)
- if (! psf_isprint (cptr [k]))
- { cptr [k] = 0 ;
- break ;
- } ;
- psf_log_printf (psf, " %M : %dn AppSig : %Mn Name : %sn", marker, dword, appl_marker, cptr) ;
- psf_store_string (psf, SF_STR_SOFTWARE, cptr) ;
- } ;
- break ;
- case NAME_MARKER :
- psf_binheader_readf (psf, "E4", &dword) ;
- pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, 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 ;
- psf_log_printf (psf, " %M : %sn", marker, cptr) ;
- psf_store_string (psf, SF_STR_TITLE, cptr) ;
- break ;
- case ANNO_MARKER :
- psf_binheader_readf (psf, "E4", &dword) ;
- pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, 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 ;
- psf_log_printf (psf, " %M : %sn", marker, cptr) ;
- psf_store_string (psf, SF_STR_COMMENT, cptr) ;
- break ;
- case INST_MARKER :
- psf_binheader_readf (psf, "E4", &dword) ;
- pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, 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 : %dn", 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 : %un Detune : %un"
- " Low Note : %un High Note : %un"
- " Low Vel. : %un High Vel. : %un",
- 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) : %dn", 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, " Sustainn mode : %d => %sn begin : %un end : %un",
- 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, " Releasen mode : %d => %sn begin : %un end : %un",
- mode, loop_mode, begin, end) ;
- } ;
- instr_found++ ;
- break ;
- case basc_MARKER :
- psf_binheader_readf (psf, "E4", &dword) ;
- pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ;
- psf_log_printf (psf, " basc : %un", dword) ;
- if ((error = aiff_read_basc_chunk (psf, dword)))
- return error ;
- break ;
- case MARK_MARKER :
- psf_binheader_readf (psf, "E4", &dword) ;
- pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ;
- psf_log_printf (psf, " %M : %dn", marker, dword) ;
- { unsigned short mark_id, n = 0 ;
- unsigned int position ;
- bytesread = psf_binheader_readf (psf, "E2", &n) ;
- mark_count = n ;
- psf_log_printf (psf, " Count : %dn", 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 ;
- for (n = 0 ; n < mark_count && bytesread < dword ; n++)
- { unsigned int pstr_len ;
- unsigned char ch ;
- bytesread += psf_binheader_readf (psf, "E241", &mark_id, &position, &ch) ;
- psf_log_printf (psf, " Mark ID : %un Position : %un", mark_id, position) ;
- pstr_len = (ch & 1) ? ch : ch + 1 ;
- if (pstr_len < sizeof (psf->u.scbuf) - 1)
- { bytesread += psf_binheader_readf (psf, "b", psf->u.scbuf, pstr_len) ;
- psf->u.scbuf [pstr_len] = 0 ;
- }
- else
- { unsigned int read_len = pstr_len - (sizeof (psf->u.scbuf) - 1) ;
- bytesread += psf_binheader_readf (psf, "bj", psf->u.scbuf, read_len, pstr_len - read_len) ;
- psf->u.scbuf [sizeof (psf->u.scbuf) - 1] = 0 ;
- }
- psf_log_printf (psf, " Name : %sn", psf->u.scbuf) ;
- paiff->markstr [n].markerID = mark_id ;
- paiff->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) ;
- pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ;
- psf_log_printf (psf, " %M : %dn", marker, dword) ;
- psf_binheader_readf (psf, "j", dword) ;
- break ;
- case NONE_MARKER :
- /* Fix for broken AIFC files with incorrect COMM chunk length. */
- { unsigned char byte ;
- psf_binheader_readf (psf, "1", &byte) ;
- dword = byte ;
- psf_binheader_readf (psf, "j", dword) ;
- }
- break ;
- case CHAN_MARKER :
- psf_binheader_readf (psf, "E4", &dword) ;
- pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ;
- if (dword < 12)
- { psf_log_printf (psf, " %M : %d (should be >= 12)n", marker, dword) ;
- psf_binheader_readf (psf, "j", dword) ;
- break ;
- }
- psf_log_printf (psf, " %M : %dn", marker, dword) ;
- if ((error = aiff_read_chanmap (psf, dword)))
- return error ;
- break ;
- default :
- if (psf_isprint ((marker >> 24) & 0xFF) && psf_isprint ((marker >> 16) & 0xFF)
- && psf_isprint ((marker >> 8) & 0xFF) && psf_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 (paiff->markstr, psf->instrument->loops [j].start, mark_count) ;
- psf->instrument->loops [j].end = marker_to_position (paiff->markstr, psf->instrument->loops [j].end, mark_count) ;
- psf->instrument->loops [j].mode = SF_LOOP_FORWARD ;
- } ;
- } ;
- } ;
- 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)
- { 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 : %dn", 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 ;
- unsigned read_len ;
- bytesread += psf_binheader_readf (psf, "Em1", &(comm_fmt->encoding), &encoding_len) ;
- comm_fmt->size = SF_MIN (sizeof (psf->u.scbuf), make_size_t (comm_fmt->size)) ;
- memset (psf->u.scbuf, 0, comm_fmt->size) ;
- read_len = comm_fmt->size - SIZEOF_AIFC_COMM + 1 ;
- bytesread += psf_binheader_readf (psf, "b", psf->u.scbuf, read_len) ;
- psf->u.scbuf [read_len + 1] = 0 ;
- } ;
- psf_log_printf (psf, " Sample Rate : %dn", tenbytefloat2int (comm_fmt->sampleRate)) ;
- psf_log_printf (psf, " Frames : %u%sn", comm_fmt->numSampleFrames, (comm_fmt->numSampleFrames == 0 && psf->filelength > 104) ? " (Should not be 0)" : "") ;
- psf_log_printf (psf, " Channels : %dn", 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 : %dn", 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 : %Mn", comm_fmt->encoding) ;
- error = SFE_UNIMPLEMENTED ;
- } ;
- if (! psf->u.scbuf [0])
- psf_log_printf (psf, " Encoding : %Mn", comm_fmt->encoding) ;
- else
- psf_log_printf (psf, " Encoding : %M => %sn", comm_fmt->encoding, psf->u.scbuf) ;
- return error ;
- } /* aiff_read_comm_chunk */
- /*==========================================================================================
- */
- static int
- aiff_rewrite_header (SF_PRIVATE *psf, AIFF_PRIVATE * paiff)
- {
- /* 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 ;
- int comm_size, comm_frames ;
- psf_fseek (psf, 0, SEEK_SET) ;
- psf_fread (psf->header, psf->dataoffset, 1, psf) ;
- psf->headindex = 0 ;
- for (k = 0 ; k < paiff->chunk4.count ; k++)
- { switch (paiff->chunk4.l [k].chunk)
- { case FORM_MARKER :
- psf_binheader_writef (psf, "Etm8", FORM_MARKER, psf->filelength - 8) ;
- break ;
- case COMM_MARKER :
- psf->headindex = paiff->chunk4.l [k].offset ;
- comm_frames = psf->sf.frames ;
- comm_size = paiff->chunk4.l [k].len ;
- psf_binheader_writef (psf, "Em42t4", COMM_MARKER, comm_size, psf->sf.channels, comm_frames) ;
- break ;
- case SSND_MARKER :
- psf->headindex = paiff->chunk4.l [k].offset ;
- psf_binheader_writef (psf, "Etm8", SSND_MARKER, psf->datalength + SIZEOF_SSND_CHUNK) ;
- break ;
- case PEAK_MARKER :
- psf->headindex = paiff->chunk4.l [k].offset ;
- 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) ;
- break ;
- default :
- /* There are a whole bunch of chunks we should just ignore. */
- break ;
- } ;
- } ;
- /* Header mangling complete so write it out. */
- psf_fseek (psf, 0, SEEK_SET) ;
- psf_fwrite (psf->header, psf->headindex, 1, psf) ;
- return 0 ;
- } /* aiff_rewrite_header */
- 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 = 0 ;
- int k, endian, has_data = SF_FALSE ;
- short 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 && paiff->chunk4.count > 0)
- { int err = aiff_rewrite_header (psf, paiff) ;
- if (current > 0)
- psf_fseek (psf, current, SEEK_SET) ;
- return err ;
- } ;
- 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))
- { 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, "Emm44", comm_type, FVER_MARKER, 4, 0xA2805140) ;
- else
- psf_binheader_writef (psf, "Em", comm_type) ;
- 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, "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) ;
- 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 ;
- if (has_data && psf->dataoffset != psf->headindex)
- return psf->error = SFE_INTERNAL ;
- psf->dataoffset = psf->headindex ;
- 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 [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, slen ;
- 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 :
- slen = strlen (psf->strings [k].str) ;
- psf_binheader_writef (psf, "Em4mb", APPL_MARKER, slen + 4, m3ga_MARKER, psf->strings [k].str, make_size_t (slen + (slen & 1))) ;
- 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 * 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 (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 ? : %un Num Beats : %un Root Note : 0x%xn",
- 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/%dn", 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) ;
- map_info = aiff_caf_of_channel_layout_tag (layout_tag) ;
- psf_log_printf (psf, " Tag : %xn", layout_tag) ;
- if (map_info)
- psf_log_printf (psf, " Layout : %sn", 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 */