Mercurial > hg > sv-dependency-builds
diff src/libsndfile-1.0.27/src/aiff.c @ 125:cd6cdf86811e
Current libsndfile source
| author | Chris Cannam <cannam@all-day-breakfast.com> |
|---|---|
| date | Tue, 18 Oct 2016 13:22:47 +0100 |
| parents | |
| children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/libsndfile-1.0.27/src/aiff.c Tue Oct 18 13:22:47 2016 +0100 @@ -0,0 +1,2025 @@ +/* +** Copyright (C) 1999-2016 Erik de Castro Lopo <erikd@mega-nerd.com> +** Copyright (C) 2005 David Viens <davidv@plogue.com> +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU Lesser General Public License as published by +** the Free Software Foundation; either version 2.1 of the License, or +** (at your option) any later version. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU Lesser General Public License for more details. +** +** You should have received a copy of the GNU Lesser General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +*/ + +#include "sfconfig.h" + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <ctype.h> +#include <inttypes.h> + +#include "sndfile.h" +#include "sfendian.h" +#include "common.h" +#include "chanmap.h" + +/*------------------------------------------------------------------------------ + * Macros to handle big/little endian issues. + */ + +#define FORM_MARKER (MAKE_MARKER ('F', 'O', 'R', 'M')) +#define AIFF_MARKER (MAKE_MARKER ('A', 'I', 'F', 'F')) +#define AIFC_MARKER (MAKE_MARKER ('A', 'I', 'F', 'C')) +#define COMM_MARKER (MAKE_MARKER ('C', 'O', 'M', 'M')) +#define SSND_MARKER (MAKE_MARKER ('S', 'S', 'N', 'D')) +#define MARK_MARKER (MAKE_MARKER ('M', 'A', 'R', 'K')) +#define INST_MARKER (MAKE_MARKER ('I', 'N', 'S', 'T')) +#define APPL_MARKER (MAKE_MARKER ('A', 'P', 'P', 'L')) +#define CHAN_MARKER (MAKE_MARKER ('C', 'H', 'A', 'N')) + +#define c_MARKER (MAKE_MARKER ('(', 'c', ')', ' ')) +#define NAME_MARKER (MAKE_MARKER ('N', 'A', 'M', 'E')) +#define AUTH_MARKER (MAKE_MARKER ('A', 'U', 'T', 'H')) +#define ANNO_MARKER (MAKE_MARKER ('A', 'N', 'N', 'O')) +#define COMT_MARKER (MAKE_MARKER ('C', 'O', 'M', 'T')) +#define FVER_MARKER (MAKE_MARKER ('F', 'V', 'E', 'R')) +#define SFX_MARKER (MAKE_MARKER ('S', 'F', 'X', '!')) + +#define PEAK_MARKER (MAKE_MARKER ('P', 'E', 'A', 'K')) +#define basc_MARKER (MAKE_MARKER ('b', 'a', 's', 'c')) + +/* Supported AIFC encodings.*/ +#define NONE_MARKER (MAKE_MARKER ('N', 'O', 'N', 'E')) +#define sowt_MARKER (MAKE_MARKER ('s', 'o', 'w', 't')) +#define twos_MARKER (MAKE_MARKER ('t', 'w', 'o', 's')) +#define raw_MARKER (MAKE_MARKER ('r', 'a', 'w', ' ')) +#define in24_MARKER (MAKE_MARKER ('i', 'n', '2', '4')) +#define ni24_MARKER (MAKE_MARKER ('4', '2', 'n', '1')) +#define in32_MARKER (MAKE_MARKER ('i', 'n', '3', '2')) +#define ni32_MARKER (MAKE_MARKER ('2', '3', 'n', 'i')) + +#define fl32_MARKER (MAKE_MARKER ('f', 'l', '3', '2')) +#define FL32_MARKER (MAKE_MARKER ('F', 'L', '3', '2')) +#define fl64_MARKER (MAKE_MARKER ('f', 'l', '6', '4')) +#define FL64_MARKER (MAKE_MARKER ('F', 'L', '6', '4')) + +#define ulaw_MARKER (MAKE_MARKER ('u', 'l', 'a', 'w')) +#define ULAW_MARKER (MAKE_MARKER ('U', 'L', 'A', 'W')) +#define alaw_MARKER (MAKE_MARKER ('a', 'l', 'a', 'w')) +#define ALAW_MARKER (MAKE_MARKER ('A', 'L', 'A', 'W')) + +#define DWVW_MARKER (MAKE_MARKER ('D', 'W', 'V', 'W')) +#define GSM_MARKER (MAKE_MARKER ('G', 'S', 'M', ' ')) +#define ima4_MARKER (MAKE_MARKER ('i', 'm', 'a', '4')) + +/* +** This value is officially assigned to Mega Nerd Pty Ltd by Apple +** Corportation as the Application marker for libsndfile. +** +** See : http://developer.apple.com/faq/datatype.html +*/ +#define m3ga_MARKER (MAKE_MARKER ('m', '3', 'g', 'a')) + +/* Unsupported AIFC encodings.*/ + +#define MAC3_MARKER (MAKE_MARKER ('M', 'A', 'C', '3')) +#define MAC6_MARKER (MAKE_MARKER ('M', 'A', 'C', '6')) +#define ADP4_MARKER (MAKE_MARKER ('A', 'D', 'P', '4')) + +/* Predfined chunk sizes. */ +#define SIZEOF_AIFF_COMM 18 +#define SIZEOF_AIFC_COMM_MIN 22 +#define SIZEOF_AIFC_COMM 24 +#define SIZEOF_SSND_CHUNK 8 +#define SIZEOF_INST_CHUNK 20 + +/* Is it constant? */ + +/* AIFC/IMA4 defines. */ +#define AIFC_IMA4_BLOCK_LEN 34 +#define AIFC_IMA4_SAMPLES_PER_BLOCK 64 + +#define AIFF_PEAK_CHUNK_SIZE(ch) (2 * sizeof (int) + ch * (sizeof (float) + sizeof (int))) + +/*------------------------------------------------------------------------------ + * Typedefs for file chunks. + */ + +enum +{ HAVE_FORM = 0x01, + HAVE_AIFF = 0x02, + HAVE_AIFC = 0x04, + HAVE_FVER = 0x08, + HAVE_COMM = 0x10, + HAVE_SSND = 0x20 +} ; + +typedef struct +{ uint32_t size ; + int16_t numChannels ; + uint32_t numSampleFrames ; + int16_t sampleSize ; + uint8_t sampleRate [10] ; + uint32_t encoding ; + char zero_bytes [2] ; +} COMM_CHUNK ; + +typedef struct +{ uint32_t offset ; + uint32_t blocksize ; +} SSND_CHUNK ; + +typedef struct +{ int16_t playMode ; + uint16_t beginLoop ; + uint16_t endLoop ; +} INST_LOOP ; + +typedef struct +{ int8_t baseNote ; /* all notes are MIDI note numbers */ + int8_t detune ; /* cents off, only -50 to +50 are significant */ + int8_t lowNote ; + int8_t highNote ; + int8_t lowVelocity ; /* 1 to 127 */ + int8_t highVelocity ; /* 1 to 127 */ + int16_t gain ; /* in dB, 0 is normal */ + INST_LOOP sustain_loop ; + INST_LOOP release_loop ; +} INST_CHUNK ; + + +enum +{ basc_SCALE_MINOR = 1, + basc_SCALE_MAJOR, + basc_SCALE_NEITHER, + basc_SCALE_BOTH +} ; + +enum +{ basc_TYPE_LOOP = 0, + basc_TYPE_ONE_SHOT +} ; + + +typedef struct +{ uint32_t version ; + uint32_t numBeats ; + uint16_t rootNote ; + uint16_t scaleType ; + uint16_t sigNumerator ; + uint16_t sigDenominator ; + uint16_t loopType ; +} basc_CHUNK ; + +typedef struct +{ uint16_t markerID ; + uint32_t position ; +} MARK_ID_POS ; + +typedef struct +{ sf_count_t comm_offset ; + sf_count_t ssnd_offset ; + + int32_t chanmap_tag ; + + MARK_ID_POS *markstr ; +} AIFF_PRIVATE ; + +/*------------------------------------------------------------------------------ + * Private static functions. + */ + +static int aiff_close (SF_PRIVATE *psf) ; + +static int tenbytefloat2int (uint8_t *bytes) ; +static void uint2tenbytefloat (uint32_t num, uint8_t *bytes) ; + +static int aiff_read_comm_chunk (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) ; + +static int aiff_read_header (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) ; + +static int aiff_write_header (SF_PRIVATE *psf, int calc_length) ; +static int aiff_write_tailer (SF_PRIVATE *psf) ; +static void aiff_write_strings (SF_PRIVATE *psf, int location) ; + +static int aiff_command (SF_PRIVATE *psf, int command, void *data, int datasize) ; + +static const char *get_loop_mode_str (int16_t mode) ; + +static int16_t get_loop_mode (int16_t mode) ; + +static int aiff_read_basc_chunk (SF_PRIVATE * psf, int) ; + +static int aiff_read_chanmap (SF_PRIVATE * psf, unsigned dword) ; + +static uint32_t marker_to_position (const MARK_ID_POS *m, uint16_t n, int marksize) ; + +static int aiff_set_chunk (SF_PRIVATE *psf, const SF_CHUNK_INFO * chunk_info) ; +static SF_CHUNK_ITERATOR * aiff_next_chunk_iterator (SF_PRIVATE *psf, SF_CHUNK_ITERATOR * iterator) ; +static int aiff_get_chunk_size (SF_PRIVATE *psf, const SF_CHUNK_ITERATOR * iterator, SF_CHUNK_INFO * chunk_info) ; +static int aiff_get_chunk_data (SF_PRIVATE *psf, const SF_CHUNK_ITERATOR * iterator, SF_CHUNK_INFO * chunk_info) ; + +/*------------------------------------------------------------------------------ +** Public function. +*/ + +int +aiff_open (SF_PRIVATE *psf) +{ COMM_CHUNK comm_fmt ; + int error, subformat ; + + memset (&comm_fmt, 0, sizeof (comm_fmt)) ; + + subformat = SF_CODEC (psf->sf.format) ; + + if ((psf->container_data = calloc (1, sizeof (AIFF_PRIVATE))) == NULL) + return SFE_MALLOC_FAILED ; + + if (psf->file.mode == SFM_READ || (psf->file.mode == SFM_RDWR && psf->filelength > 0)) + { if ((error = aiff_read_header (psf, &comm_fmt))) + return error ; + + psf->next_chunk_iterator = aiff_next_chunk_iterator ; + psf->get_chunk_size = aiff_get_chunk_size ; + psf->get_chunk_data = aiff_get_chunk_data ; + + psf_fseek (psf, psf->dataoffset, SEEK_SET) ; + } ; + + if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR) + { if (psf->is_pipe) + return SFE_NO_PIPE_WRITE ; + + if ((SF_CONTAINER (psf->sf.format)) != SF_FORMAT_AIFF) + return SFE_BAD_OPEN_FORMAT ; + + if (psf->file.mode == SFM_WRITE && (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)) + { if ((psf->peak_info = peak_info_calloc (psf->sf.channels)) == NULL) + return SFE_MALLOC_FAILED ; + psf->peak_info->peak_loc = SF_PEAK_START ; + } ; + + if (psf->file.mode != SFM_RDWR || psf->filelength < 40) + { psf->filelength = 0 ; + psf->datalength = 0 ; + psf->dataoffset = 0 ; + psf->sf.frames = 0 ; + } ; + + psf->strings.flags = SF_STR_ALLOW_START | SF_STR_ALLOW_END ; + + if ((error = aiff_write_header (psf, SF_FALSE))) + return error ; + + psf->write_header = aiff_write_header ; + psf->set_chunk = aiff_set_chunk ; + } ; + + psf->container_close = aiff_close ; + psf->command = aiff_command ; + + switch (SF_CODEC (psf->sf.format)) + { case SF_FORMAT_PCM_U8 : + error = pcm_init (psf) ; + break ; + + case SF_FORMAT_PCM_S8 : + error = pcm_init (psf) ; + break ; + + case SF_FORMAT_PCM_16 : + case SF_FORMAT_PCM_24 : + case SF_FORMAT_PCM_32 : + error = pcm_init (psf) ; + break ; + + case SF_FORMAT_ULAW : + error = ulaw_init (psf) ; + break ; + + case SF_FORMAT_ALAW : + error = alaw_init (psf) ; + break ; + + /* Lite remove start */ + case SF_FORMAT_FLOAT : + error = float32_init (psf) ; + break ; + + case SF_FORMAT_DOUBLE : + error = double64_init (psf) ; + break ; + + case SF_FORMAT_DWVW_12 : + if (psf->sf.frames > comm_fmt.numSampleFrames) + psf->sf.frames = comm_fmt.numSampleFrames ; + break ; + + case SF_FORMAT_DWVW_16 : + error = dwvw_init (psf, 16) ; + if (psf->sf.frames > comm_fmt.numSampleFrames) + psf->sf.frames = comm_fmt.numSampleFrames ; + break ; + + case SF_FORMAT_DWVW_24 : + error = dwvw_init (psf, 24) ; + if (psf->sf.frames > comm_fmt.numSampleFrames) + psf->sf.frames = comm_fmt.numSampleFrames ; + break ; + + case SF_FORMAT_DWVW_N : + if (psf->file.mode != SFM_READ) + { error = SFE_DWVW_BAD_BITWIDTH ; + break ; + } ; + if (comm_fmt.sampleSize >= 8 && comm_fmt.sampleSize < 24) + { error = dwvw_init (psf, comm_fmt.sampleSize) ; + if (psf->sf.frames > comm_fmt.numSampleFrames) + psf->sf.frames = comm_fmt.numSampleFrames ; + break ; + } ; + psf_log_printf (psf, "AIFC/DWVW : Bad bitwidth %d\n", comm_fmt.sampleSize) ; + error = SFE_DWVW_BAD_BITWIDTH ; + break ; + + case SF_FORMAT_IMA_ADPCM : + /* + ** IMA ADPCM encoded AIFF files always have a block length + ** of 34 which decodes to 64 samples. + */ + error = aiff_ima_init (psf, AIFC_IMA4_BLOCK_LEN, AIFC_IMA4_SAMPLES_PER_BLOCK) ; + break ; + /* Lite remove end */ + + case SF_FORMAT_GSM610 : + error = gsm610_init (psf) ; + if (psf->sf.frames > comm_fmt.numSampleFrames) + psf->sf.frames = comm_fmt.numSampleFrames ; + break ; + + default : return SFE_UNIMPLEMENTED ; + } ; + + if (psf->file.mode != SFM_WRITE && psf->sf.frames - comm_fmt.numSampleFrames != 0) + { psf_log_printf (psf, + "*** Frame count read from 'COMM' chunk (%u) not equal to frame count\n" + "*** calculated from length of 'SSND' chunk (%u).\n", + comm_fmt.numSampleFrames, (uint32_t) psf->sf.frames) ; + } ; + + return error ; +} /* aiff_open */ + +/*========================================================================================== +** Private functions. +*/ + +/* This function ought to check size */ +static uint32_t +marker_to_position (const MARK_ID_POS *m, uint16_t n, int marksize) +{ int i ; + + for (i = 0 ; i < marksize ; i++) + if (m [i].markerID == n) + return m [i].position ; + return 0 ; +} /* marker_to_position */ + +static int +aiff_read_header (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) +{ SSND_CHUNK ssnd_fmt ; + AIFF_PRIVATE *paiff ; + BUF_UNION ubuf ; + uint32_t chunk_size = 0, FORMsize, SSNDsize, bytesread, mark_count = 0 ; + int k, found_chunk = 0, done = 0, error = 0 ; + char *cptr ; + int instr_found = 0, mark_found = 0 ; + + if (psf->filelength > SF_PLATFORM_S64 (0xffffffff)) + psf_log_printf (psf, "Warning : filelength > 0xffffffff. This is bad!!!!\n") ; + + if ((paiff = psf->container_data) == NULL) + return SFE_INTERNAL ; + + paiff->comm_offset = 0 ; + paiff->ssnd_offset = 0 ; + + /* Set position to start of file to begin reading header. */ + psf_binheader_readf (psf, "p", 0) ; + + memset (comm_fmt, 0, sizeof (COMM_CHUNK)) ; + + /* Until recently AIF* file were all BIG endian. */ + psf->endian = SF_ENDIAN_BIG ; + + /* AIFF files can apparently have their chunks in any order. However, they + ** must have a FORM chunk. Approach here is to read all the chunks one by + ** one and then check for the mandatory chunks at the end. + */ + while (! done) + { unsigned marker ; + size_t jump = chunk_size & 1 ; + + marker = chunk_size = 0 ; + psf_binheader_readf (psf, "Ejm4", jump, &marker, &chunk_size) ; + if (marker == 0) + { sf_count_t pos = psf_ftell (psf) ; + psf_log_printf (psf, "Have 0 marker at position %D (0x%x).\n", pos, pos) ; + break ; + } ; + + if (psf->file.mode == SFM_RDWR && (found_chunk & HAVE_SSND)) + return SFE_AIFF_RW_SSND_NOT_LAST ; + + psf_store_read_chunk_u32 (&psf->rchunks, marker, psf_ftell (psf), chunk_size) ; + + switch (marker) + { case FORM_MARKER : + if (found_chunk) + return SFE_AIFF_NO_FORM ; + + FORMsize = chunk_size ; + + found_chunk |= HAVE_FORM ; + psf_binheader_readf (psf, "m", &marker) ; + switch (marker) + { case AIFC_MARKER : + case AIFF_MARKER : + found_chunk |= (marker == AIFC_MARKER) ? (HAVE_AIFC | HAVE_AIFF) : HAVE_AIFF ; + break ; + default : + break ; + } ; + + if (psf->fileoffset > 0 && psf->filelength > FORMsize + 8) + { /* Set file length. */ + psf->filelength = FORMsize + 8 ; + psf_log_printf (psf, "FORM : %u\n %M\n", FORMsize, marker) ; + } + else if (FORMsize != psf->filelength - 2 * SIGNED_SIZEOF (chunk_size)) + { chunk_size = psf->filelength - 2 * sizeof (chunk_size) ; + psf_log_printf (psf, "FORM : %u (should be %u)\n %M\n", FORMsize, chunk_size, marker) ; + FORMsize = chunk_size ; + } + else + psf_log_printf (psf, "FORM : %u\n %M\n", FORMsize, marker) ; + /* Set this to 0, so we don't jump a byte when parsing the next marker. */ + chunk_size = 0 ; + break ; + + + case COMM_MARKER : + paiff->comm_offset = psf_ftell (psf) - 8 ; + chunk_size += chunk_size & 1 ; + comm_fmt->size = chunk_size ; + if ((error = aiff_read_comm_chunk (psf, comm_fmt)) != 0) + return error ; + + found_chunk |= HAVE_COMM ; + break ; + + case PEAK_MARKER : + /* Must have COMM chunk before PEAK chunk. */ + if ((found_chunk & (HAVE_FORM | HAVE_AIFF | HAVE_COMM)) != (HAVE_FORM | HAVE_AIFF | HAVE_COMM)) + return SFE_AIFF_PEAK_B4_COMM ; + + psf_log_printf (psf, "%M : %d\n", marker, chunk_size) ; + if (chunk_size != AIFF_PEAK_CHUNK_SIZE (psf->sf.channels)) + { psf_binheader_readf (psf, "j", chunk_size) ; + psf_log_printf (psf, "*** File PEAK chunk too big.\n") ; + return SFE_WAV_BAD_PEAK ; + } ; + + if ((psf->peak_info = peak_info_calloc (psf->sf.channels)) == NULL) + return SFE_MALLOC_FAILED ; + + /* read in rest of PEAK chunk. */ + psf_binheader_readf (psf, "E44", &(psf->peak_info->version), &(psf->peak_info->timestamp)) ; + + if (psf->peak_info->version != 1) + psf_log_printf (psf, " version : %d *** (should be version 1)\n", psf->peak_info->version) ; + else + psf_log_printf (psf, " version : %d\n", psf->peak_info->version) ; + + psf_log_printf (psf, " time stamp : %d\n", psf->peak_info->timestamp) ; + psf_log_printf (psf, " Ch Position Value\n") ; + + cptr = ubuf.cbuf ; + for (k = 0 ; k < psf->sf.channels ; k++) + { float value ; + uint32_t position ; + + psf_binheader_readf (psf, "Ef4", &value, &position) ; + psf->peak_info->peaks [k].value = value ; + psf->peak_info->peaks [k].position = position ; + + snprintf (cptr, sizeof (ubuf.scbuf), " %2d %-12" PRId64 " %g\n", + k, psf->peak_info->peaks [k].position, psf->peak_info->peaks [k].value) ; + cptr [sizeof (ubuf.scbuf) - 1] = 0 ; + psf_log_printf (psf, "%s", cptr) ; + } ; + + psf->peak_info->peak_loc = ((found_chunk & HAVE_SSND) == 0) ? SF_PEAK_START : SF_PEAK_END ; + break ; + + case SSND_MARKER : + if ((found_chunk & HAVE_AIFC) && (found_chunk & HAVE_FVER) == 0) + psf_log_printf (psf, "*** Valid AIFC files should have an FVER chunk.\n") ; + + paiff->ssnd_offset = psf_ftell (psf) - 8 ; + SSNDsize = chunk_size ; + psf_binheader_readf (psf, "E44", &(ssnd_fmt.offset), &(ssnd_fmt.blocksize)) ; + + psf->datalength = SSNDsize - sizeof (ssnd_fmt) ; + psf->dataoffset = psf_ftell (psf) ; + + if (psf->datalength > psf->filelength - psf->dataoffset || psf->datalength < 0) + { psf_log_printf (psf, " SSND : %u (should be %D)\n", SSNDsize, psf->filelength - psf->dataoffset + sizeof (SSND_CHUNK)) ; + psf->datalength = psf->filelength - psf->dataoffset ; + } + else + psf_log_printf (psf, " SSND : %u\n", SSNDsize) ; + + if (ssnd_fmt.offset == 0 || psf->dataoffset + ssnd_fmt.offset == ssnd_fmt.blocksize) + { psf_log_printf (psf, " Offset : %u\n", ssnd_fmt.offset) ; + psf_log_printf (psf, " Block Size : %u\n", ssnd_fmt.blocksize) ; + + psf->dataoffset += ssnd_fmt.offset ; + psf->datalength -= ssnd_fmt.offset ; + } + else + { psf_log_printf (psf, " Offset : %u\n", ssnd_fmt.offset) ; + psf_log_printf (psf, " Block Size : %u ???\n", ssnd_fmt.blocksize) ; + psf->dataoffset += ssnd_fmt.offset ; + psf->datalength -= ssnd_fmt.offset ; + } ; + + /* Only set dataend if there really is data at the end. */ + if (psf->datalength + psf->dataoffset < psf->filelength) + psf->dataend = psf->datalength + psf->dataoffset ; + + found_chunk |= HAVE_SSND ; + + if (! psf->sf.seekable) + break ; + + /* Seek to end of SSND chunk. */ + psf_fseek (psf, psf->dataoffset + psf->datalength, SEEK_SET) ; + break ; + + case c_MARKER : + if (chunk_size == 0) + break ; + if (chunk_size >= SIGNED_SIZEOF (ubuf.scbuf)) + { psf_log_printf (psf, " %M : %d (too big)\n", marker, chunk_size) ; + return SFE_INTERNAL ; + } ; + + cptr = ubuf.cbuf ; + psf_binheader_readf (psf, "b", cptr, chunk_size + (chunk_size & 1)) ; + cptr [chunk_size] = 0 ; + + psf_sanitize_string (cptr, chunk_size) ; + + psf_log_printf (psf, " %M : %s\n", marker, cptr) ; + psf_store_string (psf, SF_STR_COPYRIGHT, cptr) ; + chunk_size += chunk_size & 1 ; + break ; + + case AUTH_MARKER : + if (chunk_size == 0) + break ; + if (chunk_size >= SIGNED_SIZEOF (ubuf.scbuf) - 1) + { psf_log_printf (psf, " %M : %d (too big)\n", marker, chunk_size) ; + return SFE_INTERNAL ; + } ; + + cptr = ubuf.cbuf ; + psf_binheader_readf (psf, "b", cptr, chunk_size + (chunk_size & 1)) ; + cptr [chunk_size] = 0 ; + psf_log_printf (psf, " %M : %s\n", marker, cptr) ; + psf_store_string (psf, SF_STR_ARTIST, cptr) ; + chunk_size += chunk_size & 1 ; + break ; + + case COMT_MARKER : + { uint16_t count, id, len ; + uint32_t timestamp, bytes ; + + if (chunk_size == 0) + break ; + bytes = chunk_size ; + bytes -= psf_binheader_readf (psf, "E2", &count) ; + psf_log_printf (psf, " %M : %d\n count : %d\n", marker, chunk_size, count) ; + + for (k = 0 ; k < count ; k++) + { bytes -= psf_binheader_readf (psf, "E422", ×tamp, &id, &len) ; + psf_log_printf (psf, " time : 0x%x\n marker : %x\n length : %d\n", timestamp, id, len) ; + + if (len + 1 > SIGNED_SIZEOF (ubuf.scbuf)) + { psf_log_printf (psf, "\nError : string length (%d) too big.\n", len) ; + return SFE_INTERNAL ; + } ; + + cptr = ubuf.cbuf ; + bytes -= psf_binheader_readf (psf, "b", cptr, len) ; + cptr [len] = 0 ; + psf_log_printf (psf, " string : %s\n", cptr) ; + } ; + + if (bytes > 0) + psf_binheader_readf (psf, "j", bytes) ; + } ; + break ; + + case APPL_MARKER : + { unsigned appl_marker ; + + if (chunk_size == 0) + break ; + if (chunk_size >= SIGNED_SIZEOF (ubuf.scbuf) - 1) + { psf_log_printf (psf, " %M : %u (too big, skipping)\n", marker, chunk_size) ; + psf_binheader_readf (psf, "j", chunk_size + (chunk_size & 1)) ; + break ; + } ; + + if (chunk_size < 4) + { psf_log_printf (psf, " %M : %d (too small, skipping)\n", marker, chunk_size) ; + psf_binheader_readf (psf, "j", chunk_size + (chunk_size & 1)) ; + break ; + } ; + + cptr = ubuf.cbuf ; + psf_binheader_readf (psf, "mb", &appl_marker, cptr, chunk_size + (chunk_size & 1) - 4) ; + cptr [chunk_size] = 0 ; + + for (k = 0 ; k < (int) chunk_size ; k++) + if (! psf_isprint (cptr [k])) + { cptr [k] = 0 ; + break ; + } ; + + psf_log_printf (psf, " %M : %d\n AppSig : %M\n Name : %s\n", marker, chunk_size, appl_marker, cptr) ; + psf_store_string (psf, SF_STR_SOFTWARE, cptr) ; + chunk_size += chunk_size & 1 ; + } ; + break ; + + case NAME_MARKER : + if (chunk_size == 0) + break ; + if (chunk_size >= SIGNED_SIZEOF (ubuf.scbuf) - 2) + { psf_log_printf (psf, " %M : %d (too big)\n", marker, chunk_size) ; + return SFE_INTERNAL ; + } ; + + cptr = ubuf.cbuf ; + psf_binheader_readf (psf, "b", cptr, chunk_size + (chunk_size & 1)) ; + cptr [chunk_size] = 0 ; + psf_log_printf (psf, " %M : %s\n", marker, cptr) ; + psf_store_string (psf, SF_STR_TITLE, cptr) ; + chunk_size += chunk_size & 1 ; + break ; + + case ANNO_MARKER : + if (chunk_size == 0) + break ; + if (chunk_size >= SIGNED_SIZEOF (ubuf.scbuf) - 2) + { psf_log_printf (psf, " %M : %d (too big)\n", marker, chunk_size) ; + return SFE_INTERNAL ; + } ; + + cptr = ubuf.cbuf ; + psf_binheader_readf (psf, "b", cptr, chunk_size + (chunk_size & 1)) ; + cptr [chunk_size] = 0 ; + psf_log_printf (psf, " %M : %s\n", marker, cptr) ; + psf_store_string (psf, SF_STR_COMMENT, cptr) ; + chunk_size += chunk_size & 1 ; + break ; + + case INST_MARKER : + if (chunk_size != SIZEOF_INST_CHUNK) + { psf_log_printf (psf, " %M : %d (should be %d)\n", marker, chunk_size, SIZEOF_INST_CHUNK) ; + psf_binheader_readf (psf, "j", chunk_size) ; + break ; + } ; + psf_log_printf (psf, " %M : %d\n", marker, chunk_size) ; + { uint8_t bytes [6] ; + int16_t gain ; + + if (psf->instrument == NULL && (psf->instrument = psf_instrument_alloc ()) == NULL) + return SFE_MALLOC_FAILED ; + + psf_binheader_readf (psf, "b", bytes, 6) ; + psf_log_printf (psf, " Base Note : %u\n Detune : %u\n" + " Low Note : %u\n High Note : %u\n" + " Low Vel. : %u\n High Vel. : %u\n", + bytes [0], bytes [1], bytes [2], bytes [3], bytes [4], bytes [5]) ; + psf->instrument->basenote = bytes [0] ; + psf->instrument->detune = bytes [1] ; + psf->instrument->key_lo = bytes [2] ; + psf->instrument->key_hi = bytes [3] ; + psf->instrument->velocity_lo = bytes [4] ; + psf->instrument->velocity_hi = bytes [5] ; + psf_binheader_readf (psf, "E2", &gain) ; + psf->instrument->gain = gain ; + psf_log_printf (psf, " Gain (dB) : %d\n", gain) ; + } ; + { int16_t mode ; /* 0 - no loop, 1 - forward looping, 2 - backward looping */ + const char *loop_mode ; + uint16_t begin, end ; + + psf_binheader_readf (psf, "E222", &mode, &begin, &end) ; + loop_mode = get_loop_mode_str (mode) ; + mode = get_loop_mode (mode) ; + if (mode == SF_LOOP_NONE) + { psf->instrument->loop_count = 0 ; + psf->instrument->loops [0].mode = SF_LOOP_NONE ; + } + else + { psf->instrument->loop_count = 1 ; + psf->instrument->loops [0].mode = SF_LOOP_FORWARD ; + psf->instrument->loops [0].start = begin ; + psf->instrument->loops [0].end = end ; + psf->instrument->loops [0].count = 0 ; + } ; + psf_log_printf (psf, " Sustain\n mode : %d => %s\n begin : %u\n end : %u\n", + mode, loop_mode, begin, end) ; + psf_binheader_readf (psf, "E222", &mode, &begin, &end) ; + loop_mode = get_loop_mode_str (mode) ; + mode = get_loop_mode (mode) ; + if (mode == SF_LOOP_NONE) + psf->instrument->loops [1].mode = SF_LOOP_NONE ; + else + { psf->instrument->loop_count += 1 ; + psf->instrument->loops [1].mode = SF_LOOP_FORWARD ; + psf->instrument->loops [1].start = begin ; + psf->instrument->loops [1].end = end ; + psf->instrument->loops [1].count = 0 ; + } ; + psf_log_printf (psf, " Release\n mode : %d => %s\n begin : %u\n end : %u\n", + mode, loop_mode, begin, end) ; + } ; + instr_found++ ; + break ; + + case basc_MARKER : + psf_log_printf (psf, " basc : %u\n", chunk_size) ; + + if ((error = aiff_read_basc_chunk (psf, chunk_size))) + return error ; + break ; + + case MARK_MARKER : + psf_log_printf (psf, " %M : %d\n", marker, chunk_size) ; + { uint16_t mark_id, n = 0, pstringIdx ; + uint32_t position ; + + bytesread = psf_binheader_readf (psf, "E2", &n) ; + mark_count = n ; + psf_log_printf (psf, " Count : %u\n", mark_count) ; + if (paiff->markstr != NULL) + { psf_log_printf (psf, "*** Second MARK chunk found. Throwing away the first.\n") ; + free (paiff->markstr) ; + } ; + paiff->markstr = calloc (mark_count, sizeof (MARK_ID_POS)) ; + if (paiff->markstr == NULL) + return SFE_MALLOC_FAILED ; + + if (mark_count > 1000) + { psf_log_printf (psf, " More than 1000 markers, skipping!\n") ; + psf_binheader_readf (psf, "j", chunk_size - bytesread) ; + break ; + } ; + + if ((psf->cues = psf_cues_alloc (mark_count)) == NULL) + return SFE_MALLOC_FAILED ; + + for (n = 0 ; n < mark_count && bytesread < chunk_size ; n++) + { uint32_t pstr_len ; + uint8_t ch ; + + bytesread += psf_binheader_readf (psf, "E241", &mark_id, &position, &ch) ; + psf_log_printf (psf, " Mark ID : %u\n Position : %u\n", mark_id, position) ; + + psf->cues->cue_points [n].indx = mark_id ; + psf->cues->cue_points [n].position = 0 ; + psf->cues->cue_points [n].fcc_chunk = MAKE_MARKER ('d', 'a', 't', 'a') ; /* always data */ + psf->cues->cue_points [n].chunk_start = 0 ; + psf->cues->cue_points [n].block_start = 0 ; + psf->cues->cue_points [n].sample_offset = position ; + + pstr_len = (ch & 1) ? ch : ch + 1 ; + + if (pstr_len < sizeof (ubuf.scbuf) - 1) + { bytesread += psf_binheader_readf (psf, "b", ubuf.scbuf, pstr_len) ; + ubuf.scbuf [pstr_len] = 0 ; + } + else + { uint32_t read_len = pstr_len - (sizeof (ubuf.scbuf) - 1) ; + bytesread += psf_binheader_readf (psf, "bj", ubuf.scbuf, read_len, pstr_len - read_len) ; + ubuf.scbuf [sizeof (ubuf.scbuf) - 1] = 0 ; + } + + psf_log_printf (psf, " Name : %s\n", ubuf.scbuf) ; + + for (pstringIdx = 0 ; pstringIdx < pstr_len ; pstringIdx++) + psf->cues->cue_points [n].name [pstringIdx] = ubuf.scbuf [pstringIdx] ; + + paiff->markstr [n].markerID = mark_id ; + paiff->markstr [n].position = position ; + /* + ** TODO if ubuf.scbuf is equal to + ** either Beg_loop, Beg loop or beg loop and spam + ** if (psf->instrument == NULL && (psf->instrument = psf_instrument_alloc ()) == NULL) + ** return SFE_MALLOC_FAILED ; + */ + } ; + } ; + mark_found++ ; + psf_binheader_readf (psf, "j", chunk_size - bytesread) ; + break ; + + case FVER_MARKER : + found_chunk |= HAVE_FVER ; + /* Fall through to next case. */ + + case SFX_MARKER : + psf_log_printf (psf, " %M : %d\n", marker, chunk_size) ; + psf_binheader_readf (psf, "j", chunk_size) ; + break ; + + case NONE_MARKER : + /* Fix for broken AIFC files with incorrect COMM chunk length. */ + chunk_size = (chunk_size >> 24) - 3 ; + psf_log_printf (psf, " %M : %d\n", marker, chunk_size) ; + psf_binheader_readf (psf, "j", make_size_t (chunk_size)) ; + break ; + + case CHAN_MARKER : + if (chunk_size < 12) + { psf_log_printf (psf, " %M : %d (should be >= 12)\n", marker, chunk_size) ; + psf_binheader_readf (psf, "j", chunk_size) ; + break ; + } + + psf_log_printf (psf, " %M : %d\n", marker, chunk_size) ; + + if ((error = aiff_read_chanmap (psf, chunk_size))) + return error ; + break ; + + default : + if (chunk_size >= 0xffff0000) + { done = SF_TRUE ; + psf_log_printf (psf, "*** Unknown chunk marker (%X) at position %D with length %u. Exiting parser.\n", marker, psf_ftell (psf) - 8, chunk_size) ; + break ; + } ; + + if (psf_isprint ((marker >> 24) & 0xFF) && psf_isprint ((marker >> 16) & 0xFF) + && psf_isprint ((marker >> 8) & 0xFF) && psf_isprint (marker & 0xFF)) + { psf_log_printf (psf, " %M : %u (unknown marker)\n", marker, chunk_size) ; + + psf_binheader_readf (psf, "j", chunk_size) ; + break ; + } ; + + if (psf_ftell (psf) & 0x03) + { psf_log_printf (psf, " Unknown chunk marker at position %D. Resynching.\n", psf_ftell (psf) - 8) ; + psf_binheader_readf (psf, "j", -3) ; + break ; + } ; + psf_log_printf (psf, "*** Unknown chunk marker %X at position %D. Exiting parser.\n", marker, psf_ftell (psf)) ; + done = SF_TRUE ; + break ; + } ; /* switch (marker) */ + + if (chunk_size >= psf->filelength) + { psf_log_printf (psf, "*** Chunk size %u > file length %D. Exiting parser.\n", chunk_size, psf->filelength) ; + break ; + } ; + + if ((! psf->sf.seekable) && (found_chunk & HAVE_SSND)) + break ; + + if (psf_ftell (psf) >= psf->filelength - (2 * SIGNED_SIZEOF (int32_t))) + break ; + } ; /* while (1) */ + + if (instr_found && mark_found) + { int ji, str_index ; + /* Next loop will convert markers to loop positions for internal handling */ + for (ji = 0 ; ji < psf->instrument->loop_count ; ji ++) + { if (ji < ARRAY_LEN (psf->instrument->loops)) + { psf->instrument->loops [ji].start = marker_to_position (paiff->markstr, psf->instrument->loops [ji].start, mark_count) ; + psf->instrument->loops [ji].end = marker_to_position (paiff->markstr, psf->instrument->loops [ji].end, mark_count) ; + psf->instrument->loops [ji].mode = SF_LOOP_FORWARD ; + } ; + } ; + + /* The markers that correspond to loop positions can now be removed from cues struct */ + if (psf->cues->cue_count > (uint32_t) (psf->instrument->loop_count * 2)) + { uint32_t j ; + + for (j = 0 ; j < psf->cues->cue_count - (uint32_t) (psf->instrument->loop_count * 2) ; j ++) + { /* This simply copies the information in cues above loop positions and writes it at current count instead */ + psf->cues->cue_points [j].indx = psf->cues->cue_points [j + psf->instrument->loop_count * 2].indx ; + psf->cues->cue_points [j].position = psf->cues->cue_points [j + psf->instrument->loop_count * 2].position ; + psf->cues->cue_points [j].fcc_chunk = psf->cues->cue_points [j + psf->instrument->loop_count * 2].fcc_chunk ; + psf->cues->cue_points [j].chunk_start = psf->cues->cue_points [j + psf->instrument->loop_count * 2].chunk_start ; + psf->cues->cue_points [j].block_start = psf->cues->cue_points [j + psf->instrument->loop_count * 2].block_start ; + psf->cues->cue_points [j].sample_offset = psf->cues->cue_points [j + psf->instrument->loop_count * 2].sample_offset ; + for (str_index = 0 ; str_index < 256 ; str_index++) + psf->cues->cue_points [j].name [str_index] = psf->cues->cue_points [j + psf->instrument->loop_count * 2].name [str_index] ; + } ; + psf->cues->cue_count -= psf->instrument->loop_count * 2 ; + } else + { /* All the cues were in fact loop positions so we can actually remove the cues altogether */ + free (psf->cues) ; + psf->cues = NULL ; + } + } ; + + if (psf->sf.channels < 1) + return SFE_CHANNEL_COUNT_ZERO ; + + if (psf->sf.channels >= SF_MAX_CHANNELS) + return SFE_CHANNEL_COUNT ; + + if (! (found_chunk & HAVE_FORM)) + return SFE_AIFF_NO_FORM ; + + if (! (found_chunk & HAVE_AIFF)) + return SFE_AIFF_COMM_NO_FORM ; + + if (! (found_chunk & HAVE_COMM)) + return SFE_AIFF_SSND_NO_COMM ; + + if (! psf->dataoffset) + return SFE_AIFF_NO_DATA ; + + return 0 ; +} /* aiff_read_header */ + +static int +aiff_close (SF_PRIVATE *psf) +{ AIFF_PRIVATE *paiff = psf->container_data ; + + if (paiff != NULL && paiff->markstr != NULL) + { free (paiff->markstr) ; + paiff->markstr = NULL ; + } ; + + if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR) + { aiff_write_tailer (psf) ; + aiff_write_header (psf, SF_TRUE) ; + } ; + + return 0 ; +} /* aiff_close */ + +static int +aiff_read_comm_chunk (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) +{ BUF_UNION ubuf ; + int subformat, samplerate ; + + ubuf.scbuf [0] = 0 ; + + /* The COMM chunk has an int aligned to an odd word boundary. Some + ** procesors are not able to deal with this (ie bus fault) so we have + ** to take special care. + */ + + psf_binheader_readf (psf, "E242b", &(comm_fmt->numChannels), &(comm_fmt->numSampleFrames), + &(comm_fmt->sampleSize), &(comm_fmt->sampleRate), SIGNED_SIZEOF (comm_fmt->sampleRate)) ; + + if (comm_fmt->size > 0x10000 && (comm_fmt->size & 0xffff) == 0) + { psf_log_printf (psf, " COMM : %d (0x%x) *** should be ", comm_fmt->size, comm_fmt->size) ; + comm_fmt->size = ENDSWAP_32 (comm_fmt->size) ; + psf_log_printf (psf, "%d (0x%x)\n", comm_fmt->size, comm_fmt->size) ; + } + else + psf_log_printf (psf, " COMM : %d\n", comm_fmt->size) ; + + if (comm_fmt->size == SIZEOF_AIFF_COMM) + comm_fmt->encoding = NONE_MARKER ; + else if (comm_fmt->size == SIZEOF_AIFC_COMM_MIN) + psf_binheader_readf (psf, "Em", &(comm_fmt->encoding)) ; + else if (comm_fmt->size >= SIZEOF_AIFC_COMM) + { uint8_t encoding_len ; + unsigned read_len ; + + psf_binheader_readf (psf, "Em1", &(comm_fmt->encoding), &encoding_len) ; + + comm_fmt->size = SF_MIN (sizeof (ubuf.scbuf), make_size_t (comm_fmt->size)) ; + memset (ubuf.scbuf, 0, comm_fmt->size) ; + read_len = comm_fmt->size - SIZEOF_AIFC_COMM + 1 ; + psf_binheader_readf (psf, "b", ubuf.scbuf, read_len) ; + ubuf.scbuf [read_len + 1] = 0 ; + } ; + + samplerate = tenbytefloat2int (comm_fmt->sampleRate) ; + + psf_log_printf (psf, " Sample Rate : %d\n", samplerate) ; + psf_log_printf (psf, " Frames : %u%s\n", comm_fmt->numSampleFrames, (comm_fmt->numSampleFrames == 0 && psf->filelength > 104) ? " (Should not be 0)" : "") ; + + if (comm_fmt->numChannels < 1 || comm_fmt->numChannels >= SF_MAX_CHANNELS) + { psf_log_printf (psf, " Channels : %d (should be >= 1 and < %d)\n", comm_fmt->numChannels, SF_MAX_CHANNELS) ; + return SFE_CHANNEL_COUNT_BAD ; + } ; + + psf_log_printf (psf, " Channels : %d\n", comm_fmt->numChannels) ; + + /* Found some broken 'fl32' files with comm.samplesize == 16. Fix it here. */ + if ((comm_fmt->encoding == fl32_MARKER || comm_fmt->encoding == FL32_MARKER) && comm_fmt->sampleSize != 32) + { psf_log_printf (psf, " Sample Size : %d (should be 32)\n", comm_fmt->sampleSize) ; + comm_fmt->sampleSize = 32 ; + } + else if ((comm_fmt->encoding == fl64_MARKER || comm_fmt->encoding == FL64_MARKER) && comm_fmt->sampleSize != 64) + { psf_log_printf (psf, " Sample Size : %d (should be 64)\n", comm_fmt->sampleSize) ; + comm_fmt->sampleSize = 64 ; + } + else + psf_log_printf (psf, " Sample Size : %d\n", comm_fmt->sampleSize) ; + + subformat = s_bitwidth_to_subformat (comm_fmt->sampleSize) ; + + psf->sf.samplerate = samplerate ; + psf->sf.frames = comm_fmt->numSampleFrames ; + psf->sf.channels = comm_fmt->numChannels ; + psf->bytewidth = BITWIDTH2BYTES (comm_fmt->sampleSize) ; + + psf->endian = SF_ENDIAN_BIG ; + + switch (comm_fmt->encoding) + { case NONE_MARKER : + psf->sf.format = (SF_FORMAT_AIFF | subformat) ; + break ; + + case twos_MARKER : + case in24_MARKER : + case in32_MARKER : + psf->sf.format = (SF_ENDIAN_BIG | SF_FORMAT_AIFF | subformat) ; + break ; + + case sowt_MARKER : + case ni24_MARKER : + case ni32_MARKER : + psf->endian = SF_ENDIAN_LITTLE ; + psf->sf.format = (SF_ENDIAN_LITTLE | SF_FORMAT_AIFF | subformat) ; + break ; + + case fl32_MARKER : + case FL32_MARKER : + psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_FLOAT) ; + break ; + + case ulaw_MARKER : + case ULAW_MARKER : + psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_ULAW) ; + break ; + + case alaw_MARKER : + case ALAW_MARKER : + psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_ALAW) ; + break ; + + case fl64_MARKER : + case FL64_MARKER : + psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_DOUBLE) ; + break ; + + case raw_MARKER : + psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_PCM_U8) ; + break ; + + case DWVW_MARKER : + psf->sf.format = SF_FORMAT_AIFF ; + switch (comm_fmt->sampleSize) + { case 12 : + psf->sf.format |= SF_FORMAT_DWVW_12 ; + break ; + case 16 : + psf->sf.format |= SF_FORMAT_DWVW_16 ; + break ; + case 24 : + psf->sf.format |= SF_FORMAT_DWVW_24 ; + break ; + + default : + psf->sf.format |= SF_FORMAT_DWVW_N ; + break ; + } ; + break ; + + case GSM_MARKER : + psf->sf.format = SF_FORMAT_AIFF ; + psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_GSM610) ; + break ; + + + case ima4_MARKER : + psf->endian = SF_ENDIAN_BIG ; + psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_IMA_ADPCM) ; + break ; + + default : + psf_log_printf (psf, "AIFC : Unimplemented format : %M\n", comm_fmt->encoding) ; + return SFE_UNIMPLEMENTED ; + } ; + + if (! ubuf.scbuf [0]) + psf_log_printf (psf, " Encoding : %M\n", comm_fmt->encoding) ; + else + psf_log_printf (psf, " Encoding : %M => %s\n", comm_fmt->encoding, ubuf.scbuf) ; + + return 0 ; +} /* aiff_read_comm_chunk */ + + +/*========================================================================================== +*/ + +static void +aiff_rewrite_header (SF_PRIVATE *psf) +{ + /* Assuming here that the header has already been written and just + ** needs to be corrected for new data length. That means that we + ** only change the length fields of the FORM and SSND chunks ; + ** everything else can be skipped over. + */ + int k, ch, comm_size, comm_frames ; + + psf_fseek (psf, 0, SEEK_SET) ; + psf_fread (psf->header, psf->dataoffset, 1, psf) ; + + psf->headindex = 0 ; + + /* FORM chunk. */ + psf_binheader_writef (psf, "Etm8", FORM_MARKER, psf->filelength - 8) ; + + /* COMM chunk. */ + if ((k = psf_find_read_chunk_m32 (&psf->rchunks, COMM_MARKER)) >= 0) + { psf->headindex = psf->rchunks.chunks [k].offset - 8 ; + comm_frames = psf->sf.frames ; + comm_size = psf->rchunks.chunks [k].len ; + psf_binheader_writef (psf, "Em42t4", COMM_MARKER, comm_size, psf->sf.channels, comm_frames) ; + } ; + + /* PEAK chunk. */ + if ((k = psf_find_read_chunk_m32 (&psf->rchunks, PEAK_MARKER)) >= 0) + { psf->headindex = psf->rchunks.chunks [k].offset - 8 ; + psf_binheader_writef (psf, "Em4", PEAK_MARKER, AIFF_PEAK_CHUNK_SIZE (psf->sf.channels)) ; + psf_binheader_writef (psf, "E44", 1, time (NULL)) ; + for (ch = 0 ; ch < psf->sf.channels ; ch++) + psf_binheader_writef (psf, "Eft8", (float) psf->peak_info->peaks [ch].value, psf->peak_info->peaks [ch].position) ; + } ; + + + /* SSND chunk. */ + if ((k = psf_find_read_chunk_m32 (&psf->rchunks, SSND_MARKER)) >= 0) + { psf->headindex = psf->rchunks.chunks [k].offset - 8 ; + psf_binheader_writef (psf, "Etm8", SSND_MARKER, psf->datalength + SIZEOF_SSND_CHUNK) ; + } ; + + /* Header mangling complete so write it out. */ + psf_fseek (psf, 0, SEEK_SET) ; + psf_fwrite (psf->header, psf->headindex, 1, psf) ; + + return ; +} /* aiff_rewrite_header */ + +static uint16_t +convert_loop_mode (int type_mode) +{ switch (type_mode) + { case SF_LOOP_NONE: + return 0 ; + case SF_LOOP_FORWARD : + return 1 ; + case SF_LOOP_ALTERNATING : + return 2 ; + default : break ; + } ; + + return 0 ; +} /* convert_loop_mode */ + +static int +aiff_write_header (SF_PRIVATE *psf, int calc_length) +{ sf_count_t current ; + AIFF_PRIVATE *paiff ; + uint8_t comm_sample_rate [10], comm_zero_bytes [2] = { 0, 0 } ; + uint32_t comm_type, comm_size, comm_encoding, comm_frames = 0, uk ; + int k, endian, has_data = SF_FALSE ; + int16_t bit_width ; + + if ((paiff = psf->container_data) == NULL) + return SFE_INTERNAL ; + + current = psf_ftell (psf) ; + + if (current > psf->dataoffset) + has_data = SF_TRUE ; + + if (calc_length) + { psf->filelength = psf_get_filelen (psf) ; + + psf->datalength = psf->filelength - psf->dataoffset ; + if (psf->dataend) + psf->datalength -= psf->filelength - psf->dataend ; + + if (psf->bytewidth > 0) + psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ; + } ; + + if (psf->file.mode == SFM_RDWR && psf->dataoffset > 0 && psf->rchunks.count > 0) + { aiff_rewrite_header (psf) ; + if (current > 0) + psf_fseek (psf, current, SEEK_SET) ; + return 0 ; + } ; + + endian = SF_ENDIAN (psf->sf.format) ; + if (CPU_IS_LITTLE_ENDIAN && endian == SF_ENDIAN_CPU) + endian = SF_ENDIAN_LITTLE ; + + /* Standard value here. */ + bit_width = psf->bytewidth * 8 ; + comm_frames = (psf->sf.frames > 0xFFFFFFFF) ? 0xFFFFFFFF : psf->sf.frames ; + + switch (SF_CODEC (psf->sf.format) | endian) + { case SF_FORMAT_PCM_S8 | SF_ENDIAN_BIG : + psf->endian = SF_ENDIAN_BIG ; + comm_type = AIFC_MARKER ; + comm_size = SIZEOF_AIFC_COMM ; + comm_encoding = twos_MARKER ; + break ; + + case SF_FORMAT_PCM_S8 | SF_ENDIAN_LITTLE : + psf->endian = SF_ENDIAN_LITTLE ; + comm_type = AIFC_MARKER ; + comm_size = SIZEOF_AIFC_COMM ; + comm_encoding = sowt_MARKER ; + break ; + + case SF_FORMAT_PCM_16 | SF_ENDIAN_BIG : + psf->endian = SF_ENDIAN_BIG ; + comm_type = AIFC_MARKER ; + comm_size = SIZEOF_AIFC_COMM ; + comm_encoding = twos_MARKER ; + break ; + + case SF_FORMAT_PCM_16 | SF_ENDIAN_LITTLE : + psf->endian = SF_ENDIAN_LITTLE ; + comm_type = AIFC_MARKER ; + comm_size = SIZEOF_AIFC_COMM ; + comm_encoding = sowt_MARKER ; + break ; + + case SF_FORMAT_PCM_24 | SF_ENDIAN_BIG : + psf->endian = SF_ENDIAN_BIG ; + comm_type = AIFC_MARKER ; + comm_size = SIZEOF_AIFC_COMM ; + comm_encoding = in24_MARKER ; + break ; + + case SF_FORMAT_PCM_24 | SF_ENDIAN_LITTLE : + psf->endian = SF_ENDIAN_LITTLE ; + comm_type = AIFC_MARKER ; + comm_size = SIZEOF_AIFC_COMM ; + comm_encoding = ni24_MARKER ; + break ; + + case SF_FORMAT_PCM_32 | SF_ENDIAN_BIG : + psf->endian = SF_ENDIAN_BIG ; + comm_type = AIFC_MARKER ; + comm_size = SIZEOF_AIFC_COMM ; + comm_encoding = in32_MARKER ; + break ; + + case SF_FORMAT_PCM_32 | SF_ENDIAN_LITTLE : + psf->endian = SF_ENDIAN_LITTLE ; + comm_type = AIFC_MARKER ; + comm_size = SIZEOF_AIFC_COMM ; + comm_encoding = ni32_MARKER ; + break ; + + case SF_FORMAT_PCM_S8 : /* SF_ENDIAN_FILE */ + case SF_FORMAT_PCM_16 : + case SF_FORMAT_PCM_24 : + case SF_FORMAT_PCM_32 : + psf->endian = SF_ENDIAN_BIG ; + comm_type = AIFF_MARKER ; + comm_size = SIZEOF_AIFF_COMM ; + comm_encoding = 0 ; + break ; + + case SF_FORMAT_FLOAT : /* Big endian floating point. */ + psf->endian = SF_ENDIAN_BIG ; + comm_type = AIFC_MARKER ; + comm_size = SIZEOF_AIFC_COMM ; + comm_encoding = FL32_MARKER ; /* Use 'FL32' because its easier to read. */ + break ; + + case SF_FORMAT_DOUBLE : /* Big endian double precision floating point. */ + psf->endian = SF_ENDIAN_BIG ; + comm_type = AIFC_MARKER ; + comm_size = SIZEOF_AIFC_COMM ; + comm_encoding = FL64_MARKER ; /* Use 'FL64' because its easier to read. */ + break ; + + case SF_FORMAT_ULAW : + psf->endian = SF_ENDIAN_BIG ; + comm_type = AIFC_MARKER ; + comm_size = SIZEOF_AIFC_COMM ; + comm_encoding = ulaw_MARKER ; + break ; + + case SF_FORMAT_ALAW : + psf->endian = SF_ENDIAN_BIG ; + comm_type = AIFC_MARKER ; + comm_size = SIZEOF_AIFC_COMM ; + comm_encoding = alaw_MARKER ; + break ; + + case SF_FORMAT_PCM_U8 : + psf->endian = SF_ENDIAN_BIG ; + comm_type = AIFC_MARKER ; + comm_size = SIZEOF_AIFC_COMM ; + comm_encoding = raw_MARKER ; + break ; + + case SF_FORMAT_DWVW_12 : + psf->endian = SF_ENDIAN_BIG ; + comm_type = AIFC_MARKER ; + comm_size = SIZEOF_AIFC_COMM ; + comm_encoding = DWVW_MARKER ; + + /* Override standard value here.*/ + bit_width = 12 ; + break ; + + case SF_FORMAT_DWVW_16 : + psf->endian = SF_ENDIAN_BIG ; + comm_type = AIFC_MARKER ; + comm_size = SIZEOF_AIFC_COMM ; + comm_encoding = DWVW_MARKER ; + + /* Override standard value here.*/ + bit_width = 16 ; + break ; + + case SF_FORMAT_DWVW_24 : + psf->endian = SF_ENDIAN_BIG ; + comm_type = AIFC_MARKER ; + comm_size = SIZEOF_AIFC_COMM ; + comm_encoding = DWVW_MARKER ; + + /* Override standard value here.*/ + bit_width = 24 ; + break ; + + case SF_FORMAT_GSM610 : + psf->endian = SF_ENDIAN_BIG ; + comm_type = AIFC_MARKER ; + comm_size = SIZEOF_AIFC_COMM ; + comm_encoding = GSM_MARKER ; + + /* Override standard value here.*/ + bit_width = 16 ; + break ; + + case SF_FORMAT_IMA_ADPCM : + psf->endian = SF_ENDIAN_BIG ; + comm_type = AIFC_MARKER ; + comm_size = SIZEOF_AIFC_COMM ; + comm_encoding = ima4_MARKER ; + + /* Override standard value here.*/ + bit_width = 16 ; + comm_frames = psf->sf.frames / AIFC_IMA4_SAMPLES_PER_BLOCK ; + break ; + + default : return SFE_BAD_OPEN_FORMAT ; + } ; + + /* Reset the current header length to zero. */ + psf->header [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) ; + + /* Check if there's a INST chunk to write */ + if (psf->instrument != NULL && psf->cues != NULL) + { /* Both loops and cues exist */ + uint16_t sustainLoopMode, releaseLoopMode ; + uint32_t idx, sLoopStart = 0, sLoopEnd = 0, rLoopStart = 0, rLoopEnd = 0 ; + int totalStringLength = 0, ps, stringLength ; + + /* Here we count how many bytes will the pascal strings need */ + for (idx = 0 ; idx < psf->cues->cue_count ; idx++) + { stringLength = strlen (psf->cues->cue_points [idx].name) + 1 ; /* We'll count the first byte also of every pascal string */ + if (stringLength % 2 == 0) + totalStringLength += stringLength ; + else + totalStringLength += (stringLength + 1) ; /* The pascal string must have an even count */ + } + + /* First we check which loops are active and create the necessary MARK chunk for markers */ + /* The first written markers will be references from loop points then comes the real markers */ + if (psf->instrument->loops [0].mode != SF_LOOP_NONE && psf->instrument->loops [1].mode != SF_LOOP_NONE) + { /* There's both a sustain loop and a release loop */ + psf_binheader_writef (psf, "Em42 241b 241b 241b 241b", + MARK_MARKER, 2 + 2 * (2 + 4 + 1 + 19) + 2 * (2 + 4 + 1 + 17) + psf->cues->cue_count * (2 + 4) + totalStringLength, 4 + psf->cues->cue_count, + 1, psf->instrument->loops [0].start, 18, "sustain loop start", make_size_t (19), + 2, psf->instrument->loops [0].end, 16, "sustain loop end", make_size_t (17), + 3, psf->instrument->loops [1].start, 18, "release loop start", make_size_t (19), + 4, psf->instrument->loops [1].end, 16, "release loop end", make_size_t (17)) ; + /* Now comes true markers from cues struct */ + for (idx = 0 ; idx < psf->cues->cue_count ; idx++) + { psf_binheader_writef (psf, "E24", 5 + idx, psf->cues->cue_points [idx].sample_offset) ; + stringLength = strlen (psf->cues->cue_points [idx].name) ; + if ((stringLength + 1) % 2 == 0) + { /* the pascal string will have an even count so we'll not use the null terminator */ + psf_binheader_writef (psf, "E1b", stringLength, psf->cues->cue_points [idx].name, make_size_t (stringLength)) ; + } + else + { /* the pascal string would have an uneven count so we include a null terminator as pad */ + char textString [stringLength + 1] ; + for (ps = 0 ; ps < stringLength ; ps++) + textString [ps] = psf->cues->cue_points [idx].name [ps] ; + textString [stringLength] = '\0' ; + psf_binheader_writef (psf, "E1b", stringLength, textString, sizeof (textString)) ; + } ; + } ; + /* Change the loops to be references to the markers */ + sLoopStart = 1 ; + sLoopEnd = 2 ; + rLoopStart = 3 ; + rLoopEnd = 4 ; + } + else if (psf->instrument->loops [0].mode != SF_LOOP_NONE && psf->instrument->loops [1].mode == SF_LOOP_NONE) + { /* There's a sustain loop but no release loop */ + psf_binheader_writef (psf, "Em42241b241b", + MARK_MARKER, 2 + (2 + 4 + 1 + 19) + (2 + 4 + 1 + 17) + psf->cues->cue_count * (2 + 4) + totalStringLength, 2 + psf->cues->cue_count, + 1, psf->instrument->loops [0].start, 18, "sustain loop start", make_size_t (19), + 2, psf->instrument->loops [0].end, 16, "sustain loop end", make_size_t (17)) ; + /* Now comes true markers from cues struct */ + for (idx = 0 ; idx < psf->cues->cue_count ; idx++) + { psf_binheader_writef (psf, "E24", 3 + idx, psf->cues->cue_points [idx].sample_offset) ; + stringLength = strlen (psf->cues->cue_points [idx].name) ; + if ((stringLength + 1) % 2 == 0) + { /* the pascal string will have an even count so we'll not use the null terminator */ + psf_binheader_writef (psf, "E1b", stringLength, psf->cues->cue_points [idx].name, make_size_t (stringLength)) ; + } + else + { /* the pascal string would have an uneven count so we include a null terminator as pad */ + char textString [stringLength + 1] ; + for (ps = 0 ; ps < stringLength ; ps++) + textString [ps] = psf->cues->cue_points [idx].name [ps] ; + textString [stringLength] = '\0' ; + psf_binheader_writef (psf, "E1b", stringLength, textString, sizeof (textString)) ; + } ; + } ; + + /* Change the loops to be references to the markers */ + sLoopStart = 1 ; + sLoopEnd = 2 ; + rLoopStart = 0 ; + rLoopEnd = 0 ; + } + else if (psf->instrument->loops [0].mode == SF_LOOP_NONE && psf->instrument->loops [1].mode != SF_LOOP_NONE) + { /* There's a release loop but no sustain loop! Strange indeed! */ + psf_binheader_writef (psf, "Em42241b241b", + MARK_MARKER, 2 + (2 + 4 + 1 + 19) + (2 + 4 + 1 + 17) + psf->cues->cue_count * (2 + 4) + totalStringLength, 2 + psf->cues->cue_count, + 1, psf->instrument->loops [1].start, 18, "release loop start", make_size_t (19), + 2, psf->instrument->loops [1].end, 16, "release loop end", make_size_t (17)) ; + /* Now comes true markers from cues struct */ + for (idx = 0 ; idx < psf->cues->cue_count ; idx++) + { psf_binheader_writef (psf, "E24", 3 + idx, psf->cues->cue_points [idx].sample_offset) ; + stringLength = strlen (psf->cues->cue_points [idx].name) ; + if ((stringLength + 1) % 2 == 0) + { /* the pascal string will have an even count so we'll not use the null terminator */ + psf_binheader_writef (psf, "E1b", stringLength, psf->cues->cue_points [idx].name, make_size_t (stringLength)) ; + } + else + { /* the pascal string would have an uneven count so we include a null terminator as pad */ + char textString [stringLength + 1] ; + for (ps = 0 ; ps < stringLength ; ps++) + textString [ps] = psf->cues->cue_points [idx].name [ps] ; + textString [stringLength] = '\0' ; + psf_binheader_writef (psf, "E1b", stringLength, textString, sizeof (textString)) ; + } ; + } ; + + /* Change the loops to be references to the markers */ + sLoopStart = 0 ; + sLoopEnd = 0 ; + rLoopStart = 1 ; + rLoopEnd = 2 ; + } ; + + /* First convert loop modes to aiff standard */ + sustainLoopMode = convert_loop_mode (psf->instrument->loops [0].mode) ; + releaseLoopMode = convert_loop_mode (psf->instrument->loops [1].mode) ; + + /* Now we finally write the actual INST chunk */ + psf_binheader_writef (psf, "Em4111111", INST_MARKER, SIZEOF_INST_CHUNK, psf->instrument->basenote, psf->instrument->detune, + psf->instrument->key_lo, psf->instrument->key_hi, psf->instrument->velocity_lo, psf->instrument->velocity_hi) ; + psf_binheader_writef (psf, "E2222222", (short) psf->instrument->gain, + sustainLoopMode, sLoopStart, sLoopEnd, + releaseLoopMode, rLoopStart, rLoopEnd) ; + + } + else if (psf->instrument != NULL && psf->cues == NULL) + { /* There are loops but no cues */ + uint16_t sustainLoopMode, releaseLoopMode ; + uint32_t sLoopStart = 0, sLoopEnd = 0, rLoopStart = 0, rLoopEnd = 0 ; + + /* First we check which loops are active and create the necessary MARK chunk for markers */ + if (psf->instrument->loops [0].mode != SF_LOOP_NONE && psf->instrument->loops [1].mode != SF_LOOP_NONE) + { /* There's both a sustain loop and a release loop */ + psf_binheader_writef (psf, "Em42 241b 241b 241b 241b", + MARK_MARKER, 2 + 2 * (2 + 4 + 1 + 19) + 2 * (2 + 4 + 1 + 17), 4, + 1, psf->instrument->loops [0].start, 18, "sustain loop start", make_size_t (19), + 2, psf->instrument->loops [0].end, 16, "sustain loop end", make_size_t (17), + 3, psf->instrument->loops [1].start, 18, "release loop start", make_size_t (19), + 4, psf->instrument->loops [1].end, 16, "release loop end", make_size_t (17)) ; + /* Change the loops to be references to the markers */ + sLoopStart = 1 ; + sLoopEnd = 2 ; + rLoopStart = 3 ; + rLoopEnd = 4 ; + } + else if (psf->instrument->loops [0].mode != SF_LOOP_NONE && psf->instrument->loops [1].mode == SF_LOOP_NONE) + { /* There's a sustain loop but no release loop */ + psf_binheader_writef (psf, "Em42241b241b", + MARK_MARKER, 2 + (2 + 4 + 1 + 19) + (2 + 4 + 1 + 17), 2, + 1, psf->instrument->loops [0].start, 18, "sustain loop start", make_size_t (19), + 2, psf->instrument->loops [0].end, 16, "sustain loop end", make_size_t (17)) ; + /* Change the loops to be references to the markers */ + sLoopStart = 1 ; + sLoopEnd = 2 ; + rLoopStart = 0 ; + rLoopEnd = 0 ; + } + else if (psf->instrument->loops [0].mode == SF_LOOP_NONE && psf->instrument->loops [1].mode != SF_LOOP_NONE) + { /* There's a release loop but no sustain loop! Strange indeed! */ + psf_binheader_writef (psf, "Em42241b241b", + MARK_MARKER, 2 + (2 + 4 + 1 + 19) + (2 + 4 + 1 + 17), 2, + 1, psf->instrument->loops [1].start, 18, "release loop start", make_size_t (19), + 2, psf->instrument->loops [1].end, 16, "release loop end", make_size_t (17)) ; + /* Change the loops to be references to the markers */ + sLoopStart = 0 ; + sLoopEnd = 0 ; + rLoopStart = 1 ; + rLoopEnd = 2 ; + } ; + + /* First convert loop modes to aiff standard */ + sustainLoopMode = convert_loop_mode (psf->instrument->loops [0].mode) ; + releaseLoopMode = convert_loop_mode (psf->instrument->loops [1].mode) ; + + /* Now we finally write the actual INST chunk */ + psf_binheader_writef (psf, "Em4111111", INST_MARKER, SIZEOF_INST_CHUNK, psf->instrument->basenote, psf->instrument->detune, + psf->instrument->key_lo, psf->instrument->key_hi, psf->instrument->velocity_lo, psf->instrument->velocity_hi) ; + psf_binheader_writef (psf, "E2222222", (short) psf->instrument->gain, + sustainLoopMode, sLoopStart, sLoopEnd, + releaseLoopMode, rLoopStart, rLoopEnd) ; + + } + else if (psf->instrument == NULL && psf->cues != NULL) + { /* There are cues but no loops */ + uint32_t idx ; + int totalStringLength = 0, ps, stringLength ; + + /* Here we count how many bytes will the pascal strings need */ + for (idx = 0 ; idx < psf->cues->cue_count ; idx++) + { stringLength = strlen (psf->cues->cue_points [idx].name) + 1 ; /* We'll count the first byte also of every pascal string */ + if (stringLength % 2 == 0) + totalStringLength += stringLength ; + else + totalStringLength += (stringLength + 1) ; /* The pascal string must have an even count */ + } ; + + psf_binheader_writef (psf, "Em42", + MARK_MARKER, 2 + psf->cues->cue_count * (2 + 4) + totalStringLength, psf->cues->cue_count) ; + + for (idx = 0 ; idx < psf->cues->cue_count ; idx++) + { psf_binheader_writef (psf, "E24", psf->cues->cue_points [idx].indx, psf->cues->cue_points [idx].sample_offset) ; + stringLength = strlen (psf->cues->cue_points [idx].name) ; + if ((stringLength + 1) % 2 == 0) + { /* the pascal string will have an even count so we'll not use the null terminator */ + psf_binheader_writef (psf, "E1b", stringLength, psf->cues->cue_points [idx].name, make_size_t (stringLength)) ; + } + else + { /* the pascal string would have an uneven count so we include a null terminator as pad */ + char textString [stringLength + 1] ; + for (ps = 0 ; ps < stringLength ; ps++) + textString [ps] = psf->cues->cue_points [idx].name [ps] ; + textString [stringLength] = '\0' ; + psf_binheader_writef (psf, "E1b", stringLength, textString, sizeof (textString)) ; + } ; + } ; + } ; + + if (psf->strings.flags & SF_STR_LOCATE_START) + aiff_write_strings (psf, SF_STR_LOCATE_START) ; + + if (psf->peak_info != NULL && psf->peak_info->peak_loc == SF_PEAK_START) + { psf_binheader_writef (psf, "Em4", PEAK_MARKER, AIFF_PEAK_CHUNK_SIZE (psf->sf.channels)) ; + psf_binheader_writef (psf, "E44", 1, time (NULL)) ; + for (k = 0 ; k < psf->sf.channels ; k++) + psf_binheader_writef (psf, "Eft8", (float) psf->peak_info->peaks [k].value, psf->peak_info->peaks [k].position) ; + } ; + + /* Write custom headers. */ + for (uk = 0 ; uk < psf->wchunks.used ; uk++) + psf_binheader_writef (psf, "Em4b", psf->wchunks.chunks [uk].mark32, psf->wchunks.chunks [uk].len, psf->wchunks.chunks [uk].data, make_size_t (psf->wchunks.chunks [uk].len)) ; + + /* Write SSND chunk. */ + paiff->ssnd_offset = psf->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->strings.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.data [k].type == 0) + break ; + + if (psf->strings.data [k].flags != location) + continue ; + + switch (psf->strings.data [k].type) + { case SF_STR_SOFTWARE : + slen = strlen (psf->strings.storage + psf->strings.data [k].offset) ; + psf_binheader_writef (psf, "Em4mb", APPL_MARKER, slen + 4, m3ga_MARKER, psf->strings.storage + psf->strings.data [k].offset, make_size_t (slen + (slen & 1))) ; + break ; + + case SF_STR_TITLE : + psf_binheader_writef (psf, "EmS", NAME_MARKER, psf->strings.storage + psf->strings.data [k].offset) ; + break ; + + case SF_STR_COPYRIGHT : + psf_binheader_writef (psf, "EmS", c_MARKER, psf->strings.storage + psf->strings.data [k].offset) ; + break ; + + case SF_STR_ARTIST : + psf_binheader_writef (psf, "EmS", AUTH_MARKER, psf->strings.storage + psf->strings.data [k].offset) ; + break ; + + case SF_STR_COMMENT : + psf_binheader_writef (psf, "EmS", ANNO_MARKER, psf->strings.storage + psf->strings.data [k].offset) ; + break ; + + /* + case SF_STR_DATE : + psf_binheader_writef (psf, "Ems", ICRD_MARKER, psf->strings.data [k].str) ; + break ; + */ + } ; + } ; + + return ; +} /* aiff_write_strings */ + +static int +aiff_command (SF_PRIVATE * psf, int command, void * UNUSED (data), int UNUSED (datasize)) +{ AIFF_PRIVATE *paiff ; + + if ((paiff = psf->container_data) == NULL) + return SFE_INTERNAL ; + + switch (command) + { case SFC_SET_CHANNEL_MAP_INFO : + paiff->chanmap_tag = aiff_caf_find_channel_layout_tag (psf->channel_map, psf->sf.channels) ; + return (paiff->chanmap_tag != 0) ; + + default : + break ; + } ; + + return 0 ; +} /* aiff_command */ + +static const char* +get_loop_mode_str (int16_t mode) +{ switch (mode) + { case 0 : return "none" ; + case 1 : return "forward" ; + case 2 : return "backward" ; + } ; + + return "*** unknown" ; +} /* get_loop_mode_str */ + +static int16_t +get_loop_mode (int16_t mode) +{ switch (mode) + { case 0 : return SF_LOOP_NONE ; + case 1 : return SF_LOOP_FORWARD ; + case 2 : return SF_LOOP_BACKWARD ; + } ; + + return SF_LOOP_NONE ; +} /* get_loop_mode */ + +/*========================================================================================== +** Rough hack at converting from 80 bit IEEE float in AIFF header to an int and +** back again. It assumes that all sample rates are between 1 and 800MHz, which +** should be OK as other sound file formats use a 32 bit integer to store sample +** rate. +** There is another (probably better) version in the source code to the SoX but it +** has a copyright which probably prevents it from being allowable as GPL/LGPL. +*/ + +static int +tenbytefloat2int (uint8_t *bytes) +{ int val = 3 ; + + if (bytes [0] & 0x80) /* Negative number. */ + return 0 ; + + if (bytes [0] <= 0x3F) /* Less than 1. */ + return 1 ; + + if (bytes [0] > 0x40) /* Way too big. */ + return 0x4000000 ; + + if (bytes [0] == 0x40 && bytes [1] > 0x1C) /* Too big. */ + return 800000000 ; + + /* Ok, can handle it. */ + + val = (bytes [2] << 23) | (bytes [3] << 15) | (bytes [4] << 7) | (bytes [5] >> 1) ; + + val >>= (29 - bytes [1]) ; + + return val ; +} /* tenbytefloat2int */ + +static void +uint2tenbytefloat (uint32_t num, uint8_t *bytes) +{ uint32_t mask = 0x40000000 ; + int count ; + + if (num <= 1) + { bytes [0] = 0x3F ; + bytes [1] = 0xFF ; + bytes [2] = 0x80 ; + return ; + } ; + + bytes [0] = 0x40 ; + + if (num >= mask) + { bytes [1] = 0x1D ; + return ; + } ; + + for (count = 0 ; count < 32 ; count ++) + { if (num & mask) + break ; + mask >>= 1 ; + } ; + + num <<= count + 1 ; + bytes [1] = 29 - count ; + bytes [2] = (num >> 24) & 0xFF ; + bytes [3] = (num >> 16) & 0xFF ; + bytes [4] = (num >> 8) & 0xFF ; + bytes [5] = num & 0xFF ; + +} /* uint2tenbytefloat */ + +static int +aiff_read_basc_chunk (SF_PRIVATE * psf, int datasize) +{ const char * type_str ; + basc_CHUNK bc ; + int count ; + + count = psf_binheader_readf (psf, "E442", &bc.version, &bc.numBeats, &bc.rootNote) ; + count += psf_binheader_readf (psf, "E222", &bc.scaleType, &bc.sigNumerator, &bc.sigDenominator) ; + count += psf_binheader_readf (psf, "E2j", &bc.loopType, datasize - sizeof (bc)) ; + + psf_log_printf (psf, " Version ? : %u\n Num Beats : %u\n Root Note : 0x%x\n", + bc.version, bc.numBeats, bc.rootNote) ; + + switch (bc.scaleType) + { case basc_SCALE_MINOR : + type_str = "MINOR" ; + break ; + case basc_SCALE_MAJOR : + type_str = "MAJOR" ; + break ; + case basc_SCALE_NEITHER : + type_str = "NEITHER" ; + break ; + case basc_SCALE_BOTH : + type_str = "BOTH" ; + break ; + default : + type_str = "!!WRONG!!" ; + break ; + } ; + + psf_log_printf (psf, " ScaleType : 0x%x (%s)\n", bc.scaleType, type_str) ; + psf_log_printf (psf, " Time Sig : %d/%d\n", bc.sigNumerator, bc.sigDenominator) ; + + switch (bc.loopType) + { case basc_TYPE_ONE_SHOT : + type_str = "One Shot" ; + break ; + case basc_TYPE_LOOP : + type_str = "Loop" ; + break ; + default: + type_str = "!!WRONG!!" ; + break ; + } ; + + psf_log_printf (psf, " Loop Type : 0x%x (%s)\n", bc.loopType, type_str) ; + + if ((psf->loop_info = calloc (1, sizeof (SF_LOOP_INFO))) == NULL) + return SFE_MALLOC_FAILED ; + + psf->loop_info->time_sig_num = bc.sigNumerator ; + psf->loop_info->time_sig_den = bc.sigDenominator ; + psf->loop_info->loop_mode = (bc.loopType == basc_TYPE_ONE_SHOT) ? SF_LOOP_NONE : SF_LOOP_FORWARD ; + psf->loop_info->num_beats = bc.numBeats ; + + /* Can always be recalculated from other known fields. */ + psf->loop_info->bpm = (1.0 / psf->sf.frames) * psf->sf.samplerate + * ((bc.numBeats * 4.0) / bc.sigDenominator) * 60.0 ; + psf->loop_info->root_key = bc.rootNote ; + + if (count < datasize) + psf_binheader_readf (psf, "j", datasize - count) ; + + return 0 ; +} /* aiff_read_basc_chunk */ + + +static int +aiff_read_chanmap (SF_PRIVATE * psf, unsigned dword) +{ const AIFF_CAF_CHANNEL_MAP * map_info ; + unsigned channel_bitmap, channel_decriptions, bytesread ; + int layout_tag ; + + bytesread = psf_binheader_readf (psf, "444", &layout_tag, &channel_bitmap, &channel_decriptions) ; + + if ((map_info = aiff_caf_of_channel_layout_tag (layout_tag)) == NULL) + return 0 ; + + psf_log_printf (psf, " Tag : %x\n", layout_tag) ; + if (map_info) + psf_log_printf (psf, " Layout : %s\n", map_info->name) ; + + if (bytesread < dword) + psf_binheader_readf (psf, "j", dword - bytesread) ; + + if (map_info->channel_map != NULL) + { size_t chanmap_size = psf->sf.channels * sizeof (psf->channel_map [0]) ; + + free (psf->channel_map) ; + + if ((psf->channel_map = malloc (chanmap_size)) == NULL) + return SFE_MALLOC_FAILED ; + + memcpy (psf->channel_map, map_info->channel_map, chanmap_size) ; + } ; + + return 0 ; +} /* aiff_read_chanmap */ + +/*============================================================================== +*/ + +static int +aiff_set_chunk (SF_PRIVATE *psf, const SF_CHUNK_INFO * chunk_info) +{ return psf_save_write_chunk (&psf->wchunks, chunk_info) ; +} /* aiff_set_chunk */ + +static SF_CHUNK_ITERATOR * +aiff_next_chunk_iterator (SF_PRIVATE *psf, SF_CHUNK_ITERATOR * iterator) +{ return psf_next_chunk_iterator (&psf->rchunks, iterator) ; +} /* aiff_next_chunk_iterator */ + +static int +aiff_get_chunk_size (SF_PRIVATE *psf, const SF_CHUNK_ITERATOR * iterator, SF_CHUNK_INFO * chunk_info) +{ int indx ; + + if ((indx = psf_find_read_chunk_iterator (&psf->rchunks, iterator)) < 0) + return SFE_UNKNOWN_CHUNK ; + + chunk_info->datalen = psf->rchunks.chunks [indx].len ; + + return SFE_NO_ERROR ; +} /* aiff_get_chunk_size */ + +static int +aiff_get_chunk_data (SF_PRIVATE *psf, const SF_CHUNK_ITERATOR * iterator, SF_CHUNK_INFO * chunk_info) +{ sf_count_t pos ; + int indx ; + + if ((indx = psf_find_read_chunk_iterator (&psf->rchunks, iterator)) < 0) + return SFE_UNKNOWN_CHUNK ; + + if (chunk_info->data == NULL) + return SFE_BAD_CHUNK_DATA_PTR ; + + chunk_info->id_size = psf->rchunks.chunks [indx].id_size ; + memcpy (chunk_info->id, psf->rchunks.chunks [indx].id, sizeof (chunk_info->id) / sizeof (*chunk_info->id)) ; + + pos = psf_ftell (psf) ; + psf_fseek (psf, psf->rchunks.chunks [indx].offset, SEEK_SET) ; + psf_fread (chunk_info->data, SF_MIN (chunk_info->datalen, psf->rchunks.chunks [indx].len), 1, psf) ; + psf_fseek (psf, pos, SEEK_SET) ; + + return SFE_NO_ERROR ; +} /* aiff_get_chunk_data */