diff options
Diffstat (limited to 'libs/libsndfile/src/aiff.c')
| -rw-r--r-- | libs/libsndfile/src/aiff.c | 1482 |
1 files changed, 0 insertions, 1482 deletions
diff --git a/libs/libsndfile/src/aiff.c b/libs/libsndfile/src/aiff.c deleted file mode 100644 index 129d79ca6d..0000000000 --- a/libs/libsndfile/src/aiff.c +++ /dev/null @@ -1,1482 +0,0 @@ -/* -** Copyright (C) 1999-2006 Erik de Castro Lopo <erikd@mega-nerd.com> -** Copyright (C) 2005 David Viens <davidv@plogue.com> -** -** This program is free software; you can redistribute it and/or modify -** it under the terms of the GNU Lesser General Public License as published by -** the Free Software Foundation; either version 2.1 of the License, or -** (at your option) any later version. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -** GNU Lesser General Public License for more details. -** -** You should have received a copy of the GNU Lesser General Public License -** along with this program; if not, write to the Free Software -** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -*/ - -#include "sfconfig.h" - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <time.h> -#include <ctype.h> - -#include "sndfile.h" -#include "sfendian.h" -#include "common.h" - -/*------------------------------------------------------------------------------ - * Macros to handle big/little endian issues. - */ - -#define FORM_MARKER (MAKE_MARKER ('F', 'O', 'R', 'M')) -#define AIFF_MARKER (MAKE_MARKER ('A', 'I', 'F', 'F')) -#define AIFC_MARKER (MAKE_MARKER ('A', 'I', 'F', 'C')) -#define COMM_MARKER (MAKE_MARKER ('C', 'O', 'M', 'M')) -#define SSND_MARKER (MAKE_MARKER ('S', 'S', 'N', 'D')) -#define MARK_MARKER (MAKE_MARKER ('M', 'A', 'R', 'K')) -#define INST_MARKER (MAKE_MARKER ('I', 'N', 'S', 'T')) -#define APPL_MARKER (MAKE_MARKER ('A', 'P', 'P', 'L')) - -#define c_MARKER (MAKE_MARKER ('(', 'c', ')', ' ')) -#define NAME_MARKER (MAKE_MARKER ('N', 'A', 'M', 'E')) -#define AUTH_MARKER (MAKE_MARKER ('A', 'U', 'T', 'H')) -#define ANNO_MARKER (MAKE_MARKER ('A', 'N', 'N', 'O')) -#define COMT_MARKER (MAKE_MARKER ('C', 'O', 'M', 'T')) -#define FVER_MARKER (MAKE_MARKER ('F', 'V', 'E', 'R')) -#define SFX_MARKER (MAKE_MARKER ('S', 'F', 'X', '!')) - -#define PEAK_MARKER (MAKE_MARKER ('P', 'E', 'A', 'K')) -#define basc_MARKER (MAKE_MARKER ('b', 'a', 's', 'c')) - -/* Supported AIFC encodings.*/ -#define NONE_MARKER (MAKE_MARKER ('N', 'O', 'N', 'E')) -#define sowt_MARKER (MAKE_MARKER ('s', 'o', 'w', 't')) -#define twos_MARKER (MAKE_MARKER ('t', 'w', 'o', 's')) -#define raw_MARKER (MAKE_MARKER ('r', 'a', 'w', ' ')) -#define in32_MARKER (MAKE_MARKER ('i', 'n', '3', '2')) -#define ni32_MARKER (MAKE_MARKER ('2', '3', 'n', 'i')) - -#define fl32_MARKER (MAKE_MARKER ('f', 'l', '3', '2')) -#define FL32_MARKER (MAKE_MARKER ('F', 'L', '3', '2')) -#define fl64_MARKER (MAKE_MARKER ('f', 'l', '6', '4')) -#define FL64_MARKER (MAKE_MARKER ('F', 'L', '6', '4')) - -#define ulaw_MARKER (MAKE_MARKER ('u', 'l', 'a', 'w')) -#define ULAW_MARKER (MAKE_MARKER ('U', 'L', 'A', 'W')) -#define alaw_MARKER (MAKE_MARKER ('a', 'l', 'a', 'w')) -#define ALAW_MARKER (MAKE_MARKER ('A', 'L', 'A', 'W')) - -#define DWVW_MARKER (MAKE_MARKER ('D', 'W', 'V', 'W')) -#define GSM_MARKER (MAKE_MARKER ('G', 'S', 'M', ' ')) -#define ima4_MARKER (MAKE_MARKER ('i', 'm', 'a', '4')) - -/* Unsupported AIFC encodings.*/ - -#define MAC3_MARKER (MAKE_MARKER ('M', 'A', 'C', '3')) -#define MAC6_MARKER (MAKE_MARKER ('M', 'A', 'C', '6')) -#define ADP4_MARKER (MAKE_MARKER ('A', 'D', 'P', '4')) - -/* Predfined chunk sizes. */ -#define SIZEOF_AIFF_COMM 18 -#define SIZEOF_AIFC_COMM_MIN 22 -#define SIZEOF_AIFC_COMM 24 -#define SIZEOF_SSND_CHUNK 8 -#define SIZEOF_INST_CHUNK 20 - -/* Is it constant? */ - -/* AIFC/IMA4 defines. */ -#define AIFC_IMA4_BLOCK_LEN 34 -#define AIFC_IMA4_SAMPLES_PER_BLOCK 64 - -#define AIFF_PEAK_CHUNK_SIZE(ch) (2 * sizeof (int) + ch * (sizeof (float) + sizeof (int))) - -/*------------------------------------------------------------------------------ - * Typedefs for file chunks. - */ - -enum -{ HAVE_FORM = 0x01, - HAVE_AIFF = 0x02, - HAVE_COMM = 0x04, - HAVE_SSND = 0x08 -} ; - -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 ; - -/*------------------------------------------------------------------------------ - * Private static functions. - */ - -static int aiff_close (SF_PRIVATE *psf) ; - -static int tenbytefloat2int (unsigned char *bytes) ; -static void uint2tenbytefloat (unsigned int num, unsigned char *bytes) ; - -static int aiff_read_comm_chunk (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) ; - -static int aiff_read_header (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) ; - -static int aiff_write_header (SF_PRIVATE *psf, int calc_length) ; -static int aiff_write_tailer (SF_PRIVATE *psf) ; -static void aiff_write_strings (SF_PRIVATE *psf, int location) ; - -static int aiff_command (SF_PRIVATE *psf, int command, void *data, int datasize) ; - -static const char *get_loop_mode_str (short mode) ; - -static short get_loop_mode (short mode) ; - -static int aiff_read_basc_chunk (SF_PRIVATE * psf, int) ; - -static unsigned int marker_to_position (const MARK_ID_POS *m, unsigned short n, int marksize) ; - -/*------------------------------------------------------------------------------ -** Public function. -*/ - -int -aiff_open (SF_PRIVATE *psf) -{ COMM_CHUNK comm_fmt ; - int error, subformat ; - - memset (&comm_fmt, 0, sizeof (comm_fmt)) ; - - subformat = psf->sf.format & SF_FORMAT_SUBMASK ; - - if (psf->mode == SFM_READ || (psf->mode == SFM_RDWR && psf->filelength > 0)) - { if ((error = aiff_read_header (psf, &comm_fmt))) - return error ; - - psf_fseek (psf, psf->dataoffset, SEEK_SET) ; - } ; - - if (psf->mode == SFM_WRITE || psf->mode == SFM_RDWR) - { if (psf->is_pipe) - return SFE_NO_PIPE_WRITE ; - - if ((psf->sf.format & SF_FORMAT_TYPEMASK) != SF_FORMAT_AIFF) - return SFE_BAD_OPEN_FORMAT ; - - if (psf->mode == SFM_WRITE && (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)) - { if ((psf->peak_info = peak_info_calloc (psf->sf.channels)) == NULL) - return SFE_MALLOC_FAILED ; - psf->peak_info->peak_loc = SF_PEAK_START ; - } ; - - if (psf->mode != SFM_RDWR || psf->filelength < 40) - { psf->filelength = 0 ; - psf->datalength = 0 ; - psf->dataoffset = 0 ; - psf->sf.frames = 0 ; - } ; - - psf->str_flags = SF_STR_ALLOW_START | SF_STR_ALLOW_END ; - - if ((error = aiff_write_header (psf, SF_FALSE))) - return error ; - - psf->write_header = aiff_write_header ; - } ; - - psf->container_close = aiff_close ; - psf->command = aiff_command ; - - switch (psf->sf.format & SF_FORMAT_SUBMASK) - { case SF_FORMAT_PCM_U8 : - error = pcm_init (psf) ; - break ; - - case SF_FORMAT_PCM_S8 : - error = pcm_init (psf) ; - break ; - - case SF_FORMAT_PCM_16 : - case SF_FORMAT_PCM_24 : - case SF_FORMAT_PCM_32 : - error = pcm_init (psf) ; - break ; - - case SF_FORMAT_ULAW : - error = ulaw_init (psf) ; - break ; - - case SF_FORMAT_ALAW : - error = alaw_init (psf) ; - break ; - - /* Lite remove start */ - case SF_FORMAT_FLOAT : - error = float32_init (psf) ; - break ; - - case SF_FORMAT_DOUBLE : - error = double64_init (psf) ; - break ; - - case SF_FORMAT_DWVW_12 : - error = dwvw_init (psf, 12) ; - break ; - - case SF_FORMAT_DWVW_16 : - error = dwvw_init (psf, 16) ; - break ; - - case SF_FORMAT_DWVW_24 : - error = dwvw_init (psf, 24) ; - break ; - - case SF_FORMAT_DWVW_N : - if (psf->mode != SFM_READ) - { error = SFE_DWVW_BAD_BITWIDTH ; - break ; - } ; - if (comm_fmt.sampleSize >= 8 && comm_fmt.sampleSize < 24) - { error = dwvw_init (psf, comm_fmt.sampleSize) ; - psf->sf.frames = comm_fmt.numSampleFrames ; - break ; - } ; - psf_log_printf (psf, "AIFC/DWVW : Bad bitwidth %d\n", comm_fmt.sampleSize) ; - error = SFE_DWVW_BAD_BITWIDTH ; - break ; - - case SF_FORMAT_IMA_ADPCM : - /* - ** IMA ADPCM encoded AIFF files always have a block length - ** of 34 which decodes to 64 samples. - */ - error = aiff_ima_init (psf, AIFC_IMA4_BLOCK_LEN, AIFC_IMA4_SAMPLES_PER_BLOCK) ; - break ; - /* Lite remove end */ - - case SF_FORMAT_GSM610 : - error = gsm610_init (psf) ; - break ; - - default : return SFE_UNIMPLEMENTED ; - } ; - - - return error ; -} /* aiff_open */ - -/*========================================================================================== -** Private functions. -*/ - -/* This function ought to check size */ -static unsigned int -marker_to_position (const MARK_ID_POS *m, unsigned short n, int marksize) -{ int i ; - - for (i = 0 ; i < marksize ; i++) - if (m [i].markerID == n) - return m [i].position ; - return 0 ; -} /* marker_to_position */ - -static int -aiff_read_header (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) -{ SSND_CHUNK ssnd_fmt ; - MARK_ID_POS *markstr = NULL ; - unsigned marker, dword, FORMsize, SSNDsize, bytesread ; - int k, found_chunk = 0, done = 0, error = 0 ; - char *cptr, byte ; - int instr_found = 0, mark_found = 0, mark_count = 0 ; - - /* Set position to start of file to begin reading header. */ - psf_binheader_readf (psf, "p", 0) ; - - memset (comm_fmt, 0, sizeof (COMM_CHUNK)) ; - - /* Until recently AIF* file were all BIG endian. */ - psf->endian = SF_ENDIAN_BIG ; - - /* AIFF files can apparently have their chunks in any order. However, they - ** must have a FORM chunk. Approach here is to read all the chunks one by - ** one and then check for the mandatory chunks at the end. - */ - while (! done) - { psf_binheader_readf (psf, "m", &marker) ; - - if (psf->mode == SFM_RDWR && (found_chunk & HAVE_SSND)) - return SFE_AIFF_RW_SSND_NOT_LAST ; - - switch (marker) - { case FORM_MARKER : - if (found_chunk) - return SFE_AIFF_NO_FORM ; - - psf_binheader_readf (psf, "E4", &FORMsize) ; - - if (psf->fileoffset > 0 && psf->filelength > FORMsize + 8) - { /* Set file length. */ - psf->filelength = FORMsize + 8 ; - psf_log_printf (psf, "FORM : %u\n", FORMsize) ; - } - else if (FORMsize != psf->filelength - 2 * SIGNED_SIZEOF (dword)) - { dword = psf->filelength - 2 * sizeof (dword) ; - psf_log_printf (psf, "FORM : %u (should be %u)\n", FORMsize, dword) ; - FORMsize = dword ; - } - else - psf_log_printf (psf, "FORM : %u\n", FORMsize) ; - found_chunk |= HAVE_FORM ; - break ; - - case AIFC_MARKER : - case AIFF_MARKER : - if ((found_chunk & HAVE_FORM) == 0) - return SFE_AIFF_AIFF_NO_FORM ; - psf_log_printf (psf, " %M\n", marker) ; - found_chunk |= HAVE_AIFF ; - break ; - - case COMM_MARKER : - error = aiff_read_comm_chunk (psf, comm_fmt) ; - - psf->sf.samplerate = tenbytefloat2int (comm_fmt->sampleRate) ; - psf->sf.frames = comm_fmt->numSampleFrames ; - psf->sf.channels = comm_fmt->numChannels ; - psf->bytewidth = BITWIDTH2BYTES (comm_fmt->sampleSize) ; - - if (error) - return error ; - - found_chunk |= HAVE_COMM ; - break ; - - case PEAK_MARKER : - /* Must have COMM chunk before PEAK chunk. */ - if ((found_chunk & (HAVE_FORM | HAVE_AIFF | HAVE_COMM)) != (HAVE_FORM | HAVE_AIFF | HAVE_COMM)) - return SFE_AIFF_PEAK_B4_COMM ; - - psf_binheader_readf (psf, "E4", &dword) ; - - psf_log_printf (psf, "%M : %d\n", marker, dword) ; - if (dword != AIFF_PEAK_CHUNK_SIZE (psf->sf.channels)) - { psf_binheader_readf (psf, "j", dword) ; - psf_log_printf (psf, "*** File PEAK chunk too big.\n") ; - return SFE_WAV_BAD_PEAK ; - } ; - - if ((psf->peak_info = peak_info_calloc (psf->sf.channels)) == NULL) - return SFE_MALLOC_FAILED ; - - /* read in rest of PEAK chunk. */ - psf_binheader_readf (psf, "E44", &(psf->peak_info->version), &(psf->peak_info->timestamp)) ; - - if (psf->peak_info->version != 1) - psf_log_printf (psf, " version : %d *** (should be version 1)\n", psf->peak_info->version) ; - else - psf_log_printf (psf, " version : %d\n", psf->peak_info->version) ; - - psf_log_printf (psf, " time stamp : %d\n", psf->peak_info->timestamp) ; - psf_log_printf (psf, " Ch Position Value\n") ; - - cptr = psf->u.cbuf ; - for (dword = 0 ; dword < (unsigned) psf->sf.channels ; dword++) - { float value ; - unsigned int position ; - - psf_binheader_readf (psf, "Ef4", &value, &position) ; - psf->peak_info->peaks [dword].value = value ; - psf->peak_info->peaks [dword].position = position ; - - LSF_SNPRINTF (cptr, sizeof (psf->u.scbuf), " %2d %-12ld %g\n", - dword, (long) psf->peak_info->peaks [dword].position, psf->peak_info->peaks [dword].value) ; - cptr [sizeof (psf->u.scbuf) - 1] = 0 ; - psf_log_printf (psf, cptr) ; - } ; - - break ; - - case SSND_MARKER : - psf_binheader_readf (psf, "E444", &SSNDsize, &(ssnd_fmt.offset), &(ssnd_fmt.blocksize)) ; - - psf->datalength = SSNDsize - sizeof (ssnd_fmt) ; - psf->dataoffset = psf_ftell (psf) ; - - if (psf->datalength > psf->filelength - psf->dataoffset || psf->datalength < 0) - { psf_log_printf (psf, " SSND : %u (should be %D)\n", SSNDsize, psf->filelength - psf->dataoffset + sizeof (SSND_CHUNK)) ; - psf->datalength = psf->filelength - psf->dataoffset ; - } - else - psf_log_printf (psf, " SSND : %u\n", SSNDsize) ; - - /* Only set dataend if there really is data at the end. */ - if (psf->datalength + psf->dataoffset < psf->filelength) - psf->dataend = psf->datalength + psf->dataoffset ; - - psf_log_printf (psf, " Offset : %u\n", ssnd_fmt.offset) ; - psf_log_printf (psf, " Block Size : %u\n", ssnd_fmt.blocksize) ; - - found_chunk |= HAVE_SSND ; - - if (! psf->sf.seekable) - break ; - - /* Seek to end of SSND chunk. */ - psf_fseek (psf, psf->dataoffset + psf->datalength + (SSNDsize & 1), SEEK_SET) ; - break ; - - case c_MARKER : - psf_binheader_readf (psf, "E4", &dword) ; - if (dword == 0) - break ; - if (dword > SIGNED_SIZEOF (psf->u.scbuf) - 1) - { psf_log_printf (psf, " %M : %d (too big)\n", marker, dword) ; - return SFE_INTERNAL ; - } ; - - cptr = psf->u.cbuf ; - psf_binheader_readf (psf, "b", cptr, dword + (dword & 1)) ; - cptr [dword] = 0 ; - psf_log_printf (psf, " %M : %s\n", marker, cptr) ; - psf_store_string (psf, SF_STR_COPYRIGHT, cptr) ; - break ; - - case AUTH_MARKER : - psf_binheader_readf (psf, "E4", &dword) ; - if (dword == 0) - break ; - if (dword > SIGNED_SIZEOF (psf->u.scbuf) - 1) - { psf_log_printf (psf, " %M : %d (too big)\n", marker, dword) ; - return SFE_INTERNAL ; - } ; - - cptr = psf->u.cbuf ; - psf_binheader_readf (psf, "b", cptr, dword + (dword & 1)) ; - cptr [dword] = 0 ; - psf_log_printf (psf, " %M : %s\n", marker, cptr) ; - psf_store_string (psf, SF_STR_ARTIST, cptr) ; - break ; - - case COMT_MARKER : - { unsigned short count, id, len ; - unsigned int timestamp ; - - psf_binheader_readf (psf, "E42", &dword, &count) ; - psf_log_printf (psf, " %M : %d\n count : %d\n", marker, dword, count) ; - dword += (dword & 1) ; - if (dword == 0) - break ; - dword -= 2 ; - - for (k = 0 ; k < count ; k++) - { dword -= psf_binheader_readf (psf, "E422", ×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 (psf->u.scbuf)) - { psf_log_printf (psf, "\nError : string length (%d) too big.\n", len) ; - return SFE_INTERNAL ; - } ; - - cptr = psf->u.cbuf ; - dword -= psf_binheader_readf (psf, "b", cptr, len) ; - cptr [len] = 0 ; - psf_log_printf (psf, " string : %s\n", cptr) ; - } ; - - if (dword > 0) - psf_binheader_readf (psf, "j", dword) ; - } ; - break ; - - case APPL_MARKER : - psf_binheader_readf (psf, "E4", &dword) ; - if (dword == 0) - break ; - if (dword >= SIGNED_SIZEOF (psf->u.scbuf) - 1) - { psf_log_printf (psf, " %M : %d (too big, skipping)\n", marker, dword) ; - psf_binheader_readf (psf, "j", dword + (dword & 1)) ; - break ; - } ; - - cptr = psf->u.cbuf ; - psf_binheader_readf (psf, "b", cptr, dword + (dword & 1)) ; - cptr [dword] = 0 ; - - for (k = 0 ; k < (int) dword ; k++) - if (! isprint (cptr [k])) - { cptr [k] = 0 ; - break ; - } ; - - psf_log_printf (psf, " %M : %s\n", marker, cptr) ; - psf_store_string (psf, SF_STR_SOFTWARE, cptr) ; - break ; - - case NAME_MARKER : - psf_binheader_readf (psf, "E4", &dword) ; - if (dword == 0) - break ; - if (dword > SIGNED_SIZEOF (psf->u.scbuf) - 2) - { psf_log_printf (psf, " %M : %d (too big)\n", marker, dword) ; - return SFE_INTERNAL ; - } ; - - cptr = psf->u.cbuf ; - psf_binheader_readf (psf, "b", cptr, dword + (dword & 1)) ; - cptr [dword] = 0 ; - psf_log_printf (psf, " %M : %s\n", marker, cptr) ; - psf_store_string (psf, SF_STR_TITLE, cptr) ; - break ; - - case ANNO_MARKER : - psf_binheader_readf (psf, "E4", &dword) ; - if (dword == 0) - break ; - if (dword > SIGNED_SIZEOF (psf->u.scbuf) - 2) - { psf_log_printf (psf, " %M : %d (too big)\n", marker, dword) ; - return SFE_INTERNAL ; - } ; - - cptr = psf->u.cbuf ; - psf_binheader_readf (psf, "b", cptr, dword + (dword & 1)) ; - cptr [dword] = 0 ; - psf_log_printf (psf, " %M : %s\n", marker, cptr) ; - psf_store_string (psf, SF_STR_COMMENT, cptr) ; - break ; - - case INST_MARKER : - psf_binheader_readf (psf, "E4", &dword) ; - if (dword != SIZEOF_INST_CHUNK) - { psf_log_printf (psf, " %M : %d (should be %d)\n", marker, dword, SIZEOF_INST_CHUNK) ; - psf_binheader_readf (psf, "j", dword) ; - break ; - } ; - psf_log_printf (psf, " %M : %d\n", marker, dword) ; - { unsigned char bytes [6] ; - short gain ; - - if (psf->instrument == NULL && (psf->instrument = psf_instrument_alloc ()) == NULL) - return SFE_MALLOC_FAILED ; - - psf_binheader_readf (psf, "b", bytes, 6) ; - psf_log_printf (psf, " Base Note : %u\n Detune : %u\n" - " Low Note : %u\n High Note : %u\n" - " Low Vel. : %u\n High Vel. : %u\n", - bytes [0], bytes [1], bytes [2], bytes [3], bytes [4], bytes [5]) ; - psf->instrument->basenote = bytes [0] ; - psf->instrument->detune = bytes [1] ; - psf->instrument->key_lo = bytes [2] ; - psf->instrument->key_hi = bytes [3] ; - psf->instrument->velocity_lo = bytes [4] ; - psf->instrument->velocity_hi = bytes [5] ; - psf_binheader_readf (psf, "E2", &gain) ; - psf->instrument->gain = gain ; - psf_log_printf (psf, " Gain (dB) : %d\n", gain) ; - } ; - { short mode ; /* 0 - no loop, 1 - forward looping, 2 - backward looping */ - const char *loop_mode ; - unsigned short begin, end ; - - psf_binheader_readf (psf, "E222", &mode, &begin, &end) ; - loop_mode = get_loop_mode_str (mode) ; - mode = get_loop_mode (mode) ; - if (mode == SF_LOOP_NONE) - { psf->instrument->loop_count = 0 ; - psf->instrument->loops [0].mode = SF_LOOP_NONE ; - } - else - { psf->instrument->loop_count = 1 ; - psf->instrument->loops [0].mode = SF_LOOP_FORWARD ; - psf->instrument->loops [0].start = begin ; - psf->instrument->loops [0].end = end ; - psf->instrument->loops [0].count = 0 ; - } ; - psf_log_printf (psf, " Sustain\n mode : %d => %s\n begin : %u\n end : %u\n", - mode, loop_mode, begin, end) ; - psf_binheader_readf (psf, "E222", &mode, &begin, &end) ; - loop_mode = get_loop_mode_str (mode) ; - mode = get_loop_mode (mode) ; - if (mode == SF_LOOP_NONE) - psf->instrument->loops [0].mode = SF_LOOP_NONE ; - else - { psf->instrument->loop_count += 1 ; - psf->instrument->loops [1].mode = SF_LOOP_FORWARD ; - psf->instrument->loops [1].start = begin ; - psf->instrument->loops [1].end = end ; - psf->instrument->loops [1].count = 0 ; - } ; - psf_log_printf (psf, " Release\n mode : %d => %s\n begin : %u\n end : %u\n", - mode, loop_mode, begin, end) ; - } ; - instr_found++ ; - break ; - - case basc_MARKER : - psf_binheader_readf (psf, "E4", &dword) ; - psf_log_printf (psf, " basc : %u\n", dword) ; - - if ((error = aiff_read_basc_chunk (psf, dword))) - return error ; - break ; - - case MARK_MARKER : - psf_binheader_readf (psf, "E4", &dword) ; - psf_log_printf (psf, " %M : %d\n", marker, dword) ; - { unsigned short mark_id, n = 0 ; - unsigned char pstr_len ; - unsigned int position ; - - bytesread = psf_binheader_readf (psf, "E2", &n) ; - mark_count = n ; - markstr = calloc (mark_count, sizeof (MARK_ID_POS)) ; - psf_log_printf (psf, " Count : %d\n", mark_count) ; - - for (n = 0 ; n < mark_count && bytesread < dword ; n++) - { bytesread += psf_binheader_readf (psf, "E241", &mark_id, &position, &pstr_len) ; - psf_log_printf (psf, " Mark ID : %u\n Position : %u\n", mark_id, position) ; - - pstr_len += (pstr_len & 1) + 1 ; /* fudgy, fudgy, hack, hack */ - - bytesread += psf_binheader_readf (psf, "b", psf->u.scbuf, pstr_len) ; - psf_log_printf (psf, " Name : %s\n", psf->u.scbuf) ; - - markstr [n].markerID = mark_id ; - markstr [n].position = position ; - /* - ** TODO if psf->u.scbuf is equal to - ** either Beg_loop, Beg loop or beg loop and spam - ** if (psf->instrument == NULL && (psf->instrument = psf_instrument_alloc ()) == NULL) - ** return SFE_MALLOC_FAILED ; - */ - } ; - } ; - mark_found++ ; - psf_binheader_readf (psf, "j", dword - bytesread) ; - break ; - - case FVER_MARKER : - case SFX_MARKER : - psf_binheader_readf (psf, "E4", &dword) ; - psf_log_printf (psf, " %M : %d\n", marker, dword) ; - - psf_binheader_readf (psf, "j", dword) ; - break ; - - case NONE_MARKER : - /* Fix for broken AIFC files with incorrect COMM chunk length. */ - psf_binheader_readf (psf, "1", &byte) ; - dword = byte ; - psf_binheader_readf (psf, "j", dword) ; - break ; - - default : - if (isprint ((marker >> 24) & 0xFF) && isprint ((marker >> 16) & 0xFF) - && isprint ((marker >> 8) & 0xFF) && isprint (marker & 0xFF)) - { psf_binheader_readf (psf, "E4", &dword) ; - psf_log_printf (psf, " %M : %d (unknown marker)\n", marker, dword) ; - - psf_binheader_readf (psf, "j", dword) ; - break ; - } ; - if ((dword = psf_ftell (psf)) & 0x03) - { psf_log_printf (psf, " Unknown chunk marker %X at position %d. Resyncing.\n", marker, dword - 4) ; - - psf_binheader_readf (psf, "j", -3) ; - break ; - } ; - psf_log_printf (psf, "*** Unknown chunk marker %X at position %D. Exiting parser.\n", marker, psf_ftell (psf)) ; - done = 1 ; - break ; - } ; /* switch (marker) */ - - if ((! psf->sf.seekable) && (found_chunk & HAVE_SSND)) - break ; - - if (psf_ftell (psf) >= psf->filelength - (2 * SIGNED_SIZEOF (dword))) - break ; - } ; /* while (1) */ - - if (instr_found && mark_found) - { int j ; - - for (j = 0 ; j<psf->instrument->loop_count ; j ++) - { if (j < ARRAY_LEN (psf->instrument->loops)) - { psf->instrument->loops [j].start = marker_to_position (markstr, psf->instrument->loops [j].start, mark_count) ; - psf->instrument->loops [j].end = marker_to_position (markstr, psf->instrument->loops [j].end, mark_count) ; - psf->instrument->loops [j].mode = SF_LOOP_FORWARD ; - } ; - } ; - } ; - - if (markstr) - free (markstr) ; - - if (! (found_chunk & HAVE_FORM)) - return SFE_AIFF_NO_FORM ; - - if (! (found_chunk & HAVE_AIFF)) - return SFE_AIFF_COMM_NO_FORM ; - - if (! (found_chunk & HAVE_COMM)) - return SFE_AIFF_SSND_NO_COMM ; - - if (! psf->dataoffset) - return SFE_AIFF_NO_DATA ; - - return 0 ; -} /* aiff_read_header */ - -static int -aiff_close (SF_PRIVATE *psf) -{ - if (psf->mode == SFM_WRITE || psf->mode == SFM_RDWR) - { aiff_write_tailer (psf) ; - - aiff_write_header (psf, SF_TRUE) ; - } ; - - return 0 ; -} /* aiff_close */ - -static int -aiff_read_comm_chunk (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) -{ int error = 0, bytesread, subformat ; - - psf->u.scbuf [0] = 0 ; - - bytesread = psf_binheader_readf (psf, "E4", &(comm_fmt->size)) ; - - /* The COMM chunk has an int aligned to an odd word boundary. Some - ** procesors are not able to deal with this (ie bus fault) so we have - ** to take special care. - */ - comm_fmt->size += comm_fmt->size & 1 ; - - bytesread += - psf_binheader_readf (psf, "E242b", &(comm_fmt->numChannels), &(comm_fmt->numSampleFrames), - &(comm_fmt->sampleSize), &(comm_fmt->sampleRate), SIGNED_SIZEOF (comm_fmt->sampleRate)) ; - - if (comm_fmt->size == SIZEOF_AIFF_COMM) - comm_fmt->encoding = NONE_MARKER ; - else if (comm_fmt->size == SIZEOF_AIFC_COMM_MIN) - bytesread += psf_binheader_readf (psf, "Em", &(comm_fmt->encoding)) ; - else if (comm_fmt->size >= SIZEOF_AIFC_COMM) - { unsigned char encoding_len ; - - bytesread += psf_binheader_readf (psf, "Em1", &(comm_fmt->encoding), &encoding_len) ; - - memset (psf->u.scbuf, 0, comm_fmt->size) ; - - bytesread += psf_binheader_readf (psf, "b", psf->u.scbuf, - comm_fmt->size - SIZEOF_AIFC_COMM + 1) ; - psf->u.scbuf [encoding_len] = 0 ; - } ; - - psf_log_printf (psf, " COMM : %d\n", comm_fmt->size) ; - psf_log_printf (psf, " Sample Rate : %d\n", tenbytefloat2int (comm_fmt->sampleRate)) ; - psf_log_printf (psf, " Frames : %u%s\n", comm_fmt->numSampleFrames, (comm_fmt->numSampleFrames == 0 && psf->filelength > 100) ? " (Should not be 0)" : "") ; - psf_log_printf (psf, " Channels : %d\n", comm_fmt->numChannels) ; - - /* Found some broken 'fl32' files with comm.samplesize == 16. Fix it here. */ - - if ((comm_fmt->encoding == fl32_MARKER || comm_fmt->encoding == FL32_MARKER) && comm_fmt->sampleSize != 32) - { psf_log_printf (psf, " Sample Size : %d (should be 32)\n", comm_fmt->sampleSize) ; - comm_fmt->sampleSize = 32 ; - } - else if ((comm_fmt->encoding == fl64_MARKER || comm_fmt->encoding == FL64_MARKER) && comm_fmt->sampleSize != 64) - { psf_log_printf (psf, " Sample Size : %d (should be 64)\n", comm_fmt->sampleSize) ; - comm_fmt->sampleSize = 64 ; - } - else - psf_log_printf (psf, " Sample Size : %d\n", comm_fmt->sampleSize) ; - - subformat = s_bitwidth_to_subformat (comm_fmt->sampleSize) ; - - psf->endian = SF_ENDIAN_BIG ; - - switch (comm_fmt->encoding) - { case NONE_MARKER : - psf->sf.format = (SF_FORMAT_AIFF | subformat) ; - break ; - - case twos_MARKER : - case in32_MARKER : - psf->sf.format = (SF_ENDIAN_BIG | SF_FORMAT_AIFF | subformat) ; - break ; - - case sowt_MARKER : - case ni32_MARKER : - psf->endian = SF_ENDIAN_LITTLE ; - psf->sf.format = (SF_ENDIAN_LITTLE | SF_FORMAT_AIFF | subformat) ; - break ; - - case fl32_MARKER : - case FL32_MARKER : - psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_FLOAT) ; - break ; - - case ulaw_MARKER : - case ULAW_MARKER : - psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_ULAW) ; - break ; - - case alaw_MARKER : - case ALAW_MARKER : - psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_ALAW) ; - break ; - - case fl64_MARKER : - case FL64_MARKER : - psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_DOUBLE) ; - break ; - - case raw_MARKER : - psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_PCM_U8) ; - break ; - - case DWVW_MARKER : - psf->sf.format = SF_FORMAT_AIFF ; - switch (comm_fmt->sampleSize) - { case 12 : - psf->sf.format |= SF_FORMAT_DWVW_12 ; - break ; - case 16 : - psf->sf.format |= SF_FORMAT_DWVW_16 ; - break ; - case 24 : - psf->sf.format |= SF_FORMAT_DWVW_24 ; - break ; - - default : - psf->sf.format |= SF_FORMAT_DWVW_N ; - break ; - } ; - break ; - - case GSM_MARKER : - psf->sf.format = SF_FORMAT_AIFF ; - psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_GSM610) ; - break ; - - - case ima4_MARKER : - psf->endian = SF_ENDIAN_BIG ; - psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_IMA_ADPCM) ; - break ; - - default : - psf_log_printf (psf, "AIFC : Unimplemented format : %M\n", comm_fmt->encoding) ; - error = SFE_UNIMPLEMENTED ; - } ; - - if (! psf->u.scbuf [0]) - psf_log_printf (psf, " Encoding : %M\n", comm_fmt->encoding) ; - else - psf_log_printf (psf, " Encoding : %M => %s\n", comm_fmt->encoding, psf->u.scbuf) ; - - return error ; -} /* aiff_read_comm_chunk */ - - -static int -aiff_write_header (SF_PRIVATE *psf, int calc_length) -{ sf_count_t current ; - unsigned char comm_sample_rate [10], comm_zero_bytes [2] = { 0, 0 } ; - unsigned int comm_type, comm_size, comm_encoding, comm_frames ; - int k, endian ; - short bit_width ; - - current = psf_ftell (psf) ; - - if (calc_length) - { psf->filelength = psf_get_filelen (psf) ; - - psf->datalength = psf->filelength - psf->dataoffset ; - if (psf->dataend) - psf->datalength -= psf->filelength - psf->dataend ; - - if (psf->bytewidth > 0) - psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ; - } ; - - if (psf->mode == SFM_RDWR && psf->dataoffset > 0) - { /* Assuming here that the header has already been written and just - ** needs to be corrected for new data length. That means that we - ** only change the length fields of the FORM and SSND chunks ; - ** everything else can be skipped over. - */ - - /* First write new FORM chunk. */ - psf->headindex = 0 ; - psf_fseek (psf, 0, SEEK_SET) ; - - psf_binheader_writef (psf, "Etm8", FORM_MARKER, psf->filelength - 8) ; - psf_fwrite (psf->header, psf->headindex, 1, psf) ; - - /* Now write frame count field of COMM chunk header. */ - psf->headindex = 0 ; - psf_fseek (psf, 22, SEEK_SET) ; - - psf_binheader_writef (psf, "Et8", psf->sf.frames) ; - psf_fwrite (psf->header, psf->headindex, 1, psf) ; - - /* Now write new SSND chunk header. */ - psf->headindex = 0 ; - psf_fseek (psf, psf->dataoffset - 16, SEEK_SET) ; - - psf_binheader_writef (psf, "Etm8", SSND_MARKER, psf->datalength + SIZEOF_SSND_CHUNK) ; - psf_fwrite (psf->header, psf->headindex, 1, psf) ; - - if (current < psf->dataoffset) - psf_fseek (psf, psf->dataoffset, SEEK_SET) ; - else if (current > 0) - psf_fseek (psf, current, SEEK_SET) ; - - return 0 ; - } ; - - endian = psf->sf.format & SF_FORMAT_ENDMASK ; - if (CPU_IS_LITTLE_ENDIAN && endian == SF_ENDIAN_CPU) - endian = SF_ENDIAN_LITTLE ; - - /* Standard value here. */ - bit_width = psf->bytewidth * 8 ; - comm_frames = (psf->sf.frames > 0xFFFFFFFF) ? 0xFFFFFFFF : psf->sf.frames ; - - switch (psf->sf.format & SF_FORMAT_SUBMASK) - { case SF_FORMAT_PCM_S8 : - case SF_FORMAT_PCM_16 : - case SF_FORMAT_PCM_24 : - case SF_FORMAT_PCM_32 : - switch (endian) - { case SF_ENDIAN_BIG : - psf->endian = SF_ENDIAN_BIG ; - comm_type = AIFC_MARKER ; - comm_size = SIZEOF_AIFC_COMM ; - comm_encoding = twos_MARKER ; - break ; - - case SF_ENDIAN_LITTLE : - psf->endian = SF_ENDIAN_LITTLE ; - comm_type = AIFC_MARKER ; - comm_size = SIZEOF_AIFC_COMM ; - comm_encoding = sowt_MARKER ; - break ; - - default : /* SF_ENDIAN_FILE */ - psf->endian = SF_ENDIAN_BIG ; - comm_type = AIFF_MARKER ; - comm_size = SIZEOF_AIFF_COMM ; - comm_encoding = 0 ; - break ; - } ; - break ; - - case SF_FORMAT_FLOAT : /* Big endian floating point. */ - psf->endian = SF_ENDIAN_BIG ; - comm_type = AIFC_MARKER ; - comm_size = SIZEOF_AIFC_COMM ; - comm_encoding = FL32_MARKER ; /* Use 'FL32' because its easier to read. */ - break ; - - case SF_FORMAT_DOUBLE : /* Big endian double precision floating point. */ - psf->endian = SF_ENDIAN_BIG ; - comm_type = AIFC_MARKER ; - comm_size = SIZEOF_AIFC_COMM ; - comm_encoding = FL64_MARKER ; /* Use 'FL64' because its easier to read. */ - break ; - - case SF_FORMAT_ULAW : - psf->endian = SF_ENDIAN_BIG ; - comm_type = AIFC_MARKER ; - comm_size = SIZEOF_AIFC_COMM ; - comm_encoding = ulaw_MARKER ; - break ; - - case SF_FORMAT_ALAW : - psf->endian = SF_ENDIAN_BIG ; - comm_type = AIFC_MARKER ; - comm_size = SIZEOF_AIFC_COMM ; - comm_encoding = alaw_MARKER ; - break ; - - case SF_FORMAT_PCM_U8 : - psf->endian = SF_ENDIAN_BIG ; - comm_type = AIFC_MARKER ; - comm_size = SIZEOF_AIFC_COMM ; - comm_encoding = raw_MARKER ; - break ; - - case SF_FORMAT_DWVW_12 : - psf->endian = SF_ENDIAN_BIG ; - comm_type = AIFC_MARKER ; - comm_size = SIZEOF_AIFC_COMM ; - comm_encoding = DWVW_MARKER ; - - /* Override standard value here.*/ - bit_width = 12 ; - break ; - - case SF_FORMAT_DWVW_16 : - psf->endian = SF_ENDIAN_BIG ; - comm_type = AIFC_MARKER ; - comm_size = SIZEOF_AIFC_COMM ; - comm_encoding = DWVW_MARKER ; - - /* Override standard value here.*/ - bit_width = 16 ; - break ; - - case SF_FORMAT_DWVW_24 : - psf->endian = SF_ENDIAN_BIG ; - comm_type = AIFC_MARKER ; - comm_size = SIZEOF_AIFC_COMM ; - comm_encoding = DWVW_MARKER ; - - /* Override standard value here.*/ - bit_width = 24 ; - break ; - - case SF_FORMAT_GSM610 : - psf->endian = SF_ENDIAN_BIG ; - comm_type = AIFC_MARKER ; - comm_size = SIZEOF_AIFC_COMM ; - comm_encoding = GSM_MARKER ; - - /* Override standard value here.*/ - bit_width = 16 ; - break ; - - case SF_FORMAT_IMA_ADPCM : - psf->endian = SF_ENDIAN_BIG ; - comm_type = AIFC_MARKER ; - comm_size = SIZEOF_AIFC_COMM ; - comm_encoding = ima4_MARKER ; - - /* Override standard value here.*/ - bit_width = 16 ; - comm_frames = psf->sf.frames / AIFC_IMA4_SAMPLES_PER_BLOCK ; - break ; - - default : return SFE_BAD_OPEN_FORMAT ; - } ; - - /* Reset the current header length to zero. */ - psf->header [0] = 0 ; - psf->headindex = 0 ; - psf_fseek (psf, 0, SEEK_SET) ; - - psf_binheader_writef (psf, "Etm8", FORM_MARKER, psf->filelength - 8) ; - - /* Write COMM chunk. */ - psf_binheader_writef (psf, "Emm4", comm_type, COMM_MARKER, comm_size) ; - - memset (comm_sample_rate, 0, sizeof (comm_sample_rate)) ; - uint2tenbytefloat (psf->sf.samplerate, comm_sample_rate) ; - - psf_binheader_writef (psf, "Et242", psf->sf.channels, comm_frames, bit_width) ; - psf_binheader_writef (psf, "b", comm_sample_rate, sizeof (comm_sample_rate)) ; - - /* AIFC chunks have some extra data. */ - if (comm_type == AIFC_MARKER) - psf_binheader_writef (psf, "mb", comm_encoding, comm_zero_bytes, sizeof (comm_zero_bytes)) ; - - if (psf->instrument != NULL) - { MARK_ID_POS m [4] ; - INST_CHUNK ch ; - unsigned short ct = 0 ; - - memset (m, 0, sizeof (m)) ; - memset (&ch, 0, sizeof (ch)) ; - - ch.baseNote = psf->instrument->basenote ; - ch.detune = psf->instrument->detune ; - ch.lowNote = psf->instrument->key_lo ; - ch.highNote = psf->instrument->key_hi ; - ch.lowVelocity = psf->instrument->velocity_lo ; - ch.highVelocity = psf->instrument->velocity_hi ; - ch.gain = psf->instrument->gain ; - if (psf->instrument->loops [0].mode != SF_LOOP_NONE) - { ch.sustain_loop.playMode = 1 ; - ch.sustain_loop.beginLoop = ct ; - m [0].markerID = ct++ ; - m [0].position = psf->instrument->loops [0].start ; - ch.sustain_loop.endLoop = ct ; - m [1].markerID = ct++ ; - m [1].position = psf->instrument->loops [0].end ; - } ; - if (psf->instrument->loops [1].mode != SF_LOOP_NONE) - { ch.release_loop.playMode = 1 ; - ch.release_loop.beginLoop = ct ; - m [2].markerID = ct++ ; - m [2].position = psf->instrument->loops [1].start ; - ch.release_loop.endLoop = ct ; - m [3].markerID = ct++ ; - m [3].position = psf->instrument->loops [1].end ; - } - else - { ch.release_loop.playMode = 0 ; - ch.release_loop.beginLoop = 0 ; - ch.release_loop.endLoop = 0 ; - } ; - - psf_binheader_writef (psf, "Em4111111", INST_MARKER, SIZEOF_INST_CHUNK, ch.baseNote, ch.detune, - ch.lowNote, ch.highNote, ch.lowVelocity, ch.highVelocity) ; - psf_binheader_writef (psf, "2222222", ch.gain, ch.sustain_loop.playMode, - ch.sustain_loop.beginLoop, ch.sustain_loop.endLoop, ch.release_loop.playMode, - ch.release_loop.beginLoop, ch.release_loop.endLoop) ; - - if (ct == 2) - psf_binheader_writef (psf, "Em42241b241b", - MARK_MARKER, 2 + 2 * (2 + 4 + 1 + 9), 2, - m [0].markerID, m [0].position, 8, "beg loop", make_size_t (9), - m [1].markerID, m [1].position, 8, "end loop", make_size_t (9)) ; - else if (ct == 4) - psf_binheader_writef (psf, "Em42 241b 241b 241b 241b", - MARK_MARKER, 2 + 4 * (2 + 4 + 1 + 9), 4, - m [0].markerID, m [0].position, 8, "beg loop", make_size_t (9), - m [1].markerID, m [1].position, 8, "end loop", make_size_t (9), - m [2].markerID, m [2].position, 8, "beg loop", make_size_t (9), - m [3].markerID, m [3].position, 8, "end loop", make_size_t (9)) ; - } ; - - if (psf->str_flags & SF_STR_LOCATE_START) - aiff_write_strings (psf, SF_STR_LOCATE_START) ; - - if (psf->peak_info != NULL && psf->peak_info->peak_loc == SF_PEAK_START) - { psf_binheader_writef (psf, "Em4", PEAK_MARKER, AIFF_PEAK_CHUNK_SIZE (psf->sf.channels)) ; - psf_binheader_writef (psf, "E44", 1, time (NULL)) ; - for (k = 0 ; k < psf->sf.channels ; k++) - psf_binheader_writef (psf, "Eft8", (float) psf->peak_info->peaks [k].value, psf->peak_info->peaks [k].position) ; - } ; - - /* Write SSND chunk. */ - psf_binheader_writef (psf, "Etm844", SSND_MARKER, psf->datalength + SIZEOF_SSND_CHUNK, 0, 0) ; - - /* Header construction complete so write it out. */ - psf_fwrite (psf->header, psf->headindex, 1, psf) ; - - if (psf->error) - return psf->error ; - - psf->dataoffset = psf->headindex ; - - if (current < psf->dataoffset) - psf_fseek (psf, psf->dataoffset, SEEK_SET) ; - else if (current > 0) - psf_fseek (psf, current, SEEK_SET) ; - - return psf->error ; -} /* aiff_write_header */ - -static int -aiff_write_tailer (SF_PRIVATE *psf) -{ int k ; - - /* Reset the current header length to zero. */ - psf->header [0] = 0 ; - psf->headindex = 0 ; - - psf->dataend = psf_fseek (psf, 0, SEEK_END) ; - - /* Make sure tailer data starts at even byte offset. Pad if necessary. */ - if (psf->dataend % 2 == 1) - { psf_fwrite (psf->header, 1, 1, psf) ; - psf->dataend ++ ; - } ; - - if (psf->peak_info != NULL && psf->peak_info->peak_loc == SF_PEAK_END) - { psf_binheader_writef (psf, "Em4", PEAK_MARKER, AIFF_PEAK_CHUNK_SIZE (psf->sf.channels)) ; - psf_binheader_writef (psf, "E44", 1, time (NULL)) ; - for (k = 0 ; k < psf->sf.channels ; k++) - psf_binheader_writef (psf, "Eft8", (float) psf->peak_info->peaks [k].value, psf->peak_info->peaks [k].position) ; - } ; - - if (psf->str_flags & SF_STR_LOCATE_END) - aiff_write_strings (psf, SF_STR_LOCATE_END) ; - - /* Write the tailer. */ - if (psf->headindex > 0) - psf_fwrite (psf->header, psf->headindex, 1, psf) ; - - return 0 ; -} /* aiff_write_tailer */ - -static void -aiff_write_strings (SF_PRIVATE *psf, int location) -{ int k ; - - for (k = 0 ; k < SF_MAX_STRINGS ; k++) - { if (psf->strings [k].type == 0) - break ; - - if (psf->strings [k].flags != location) - continue ; - - switch (psf->strings [k].type) - { case SF_STR_SOFTWARE : - psf_binheader_writef (psf, "EmS", APPL_MARKER, psf->strings [k].str) ; - break ; - - case SF_STR_TITLE : - psf_binheader_writef (psf, "EmS", NAME_MARKER, psf->strings [k].str) ; - break ; - - case SF_STR_COPYRIGHT : - psf_binheader_writef (psf, "EmS", c_MARKER, psf->strings [k].str) ; - break ; - - case SF_STR_ARTIST : - psf_binheader_writef (psf, "EmS", AUTH_MARKER, psf->strings [k].str) ; - break ; - - case SF_STR_COMMENT : - psf_binheader_writef (psf, "EmS", ANNO_MARKER, psf->strings [k].str) ; - break ; - - /* - case SF_STR_DATE : - psf_binheader_writef (psf, "Ems", ICRD_MARKER, psf->strings [k].str) ; - break ; - */ - } ; - } ; - - return ; -} /* aiff_write_strings */ - -static int -aiff_command (SF_PRIVATE *psf, int command, void *data, int datasize) -{ - /* Avoid compiler warnings. */ - psf = psf ; - data = data ; - datasize = datasize ; - - switch (command) - { 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 ; - - psf_binheader_readf (psf, "E442", &bc.version, &bc.numBeats, &bc.rootNote) ; - psf_binheader_readf (psf, "E222", &bc.scaleType, &bc.sigNumerator, &bc.sigDenominator) ; - 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 ; - - return 0 ; -} /* aiff_read_basc_chunk */ - -/* -** Do not edit or modify anything in this comment block. -** The arch-tag line is a file identity tag for the GNU Arch -** revision control system. -** -** arch-tag: 7dec56ca-d6f2-48cf-863b-a72e7e17a5d9 -*/ |