/* ** Copyright (C) 1999-2016 Erik de Castro Lopo ** Copyright (C) 2005 David Viens ** ** 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 #include #include #include #include #include #include "sndfile.h" #include "sfendian.h" #include "common.h" #include "chanmap.h" /*------------------------------------------------------------------------------ * Macros to handle big/little endian issues. */ #define FORM_MARKER (MAKE_MARKER ('F', 'O', 'R', 'M')) #define AIFF_MARKER (MAKE_MARKER ('A', 'I', 'F', 'F')) #define AIFC_MARKER (MAKE_MARKER ('A', 'I', 'F', 'C')) #define COMM_MARKER (MAKE_MARKER ('C', 'O', 'M', 'M')) #define SSND_MARKER (MAKE_MARKER ('S', 'S', 'N', 'D')) #define MARK_MARKER (MAKE_MARKER ('M', 'A', 'R', 'K')) #define INST_MARKER (MAKE_MARKER ('I', 'N', 'S', 'T')) #define APPL_MARKER (MAKE_MARKER ('A', 'P', 'P', 'L')) #define CHAN_MARKER (MAKE_MARKER ('C', 'H', 'A', 'N')) #define c_MARKER (MAKE_MARKER ('(', 'c', ')', ' ')) #define NAME_MARKER (MAKE_MARKER ('N', 'A', 'M', 'E')) #define AUTH_MARKER (MAKE_MARKER ('A', 'U', 'T', 'H')) #define ANNO_MARKER (MAKE_MARKER ('A', 'N', 'N', 'O')) #define COMT_MARKER (MAKE_MARKER ('C', 'O', 'M', 'T')) #define FVER_MARKER (MAKE_MARKER ('F', 'V', 'E', 'R')) #define SFX_MARKER (MAKE_MARKER ('S', 'F', 'X', '!')) #define PEAK_MARKER (MAKE_MARKER ('P', 'E', 'A', 'K')) #define basc_MARKER (MAKE_MARKER ('b', 'a', 's', 'c')) /* Supported AIFC encodings.*/ #define NONE_MARKER (MAKE_MARKER ('N', 'O', 'N', 'E')) #define sowt_MARKER (MAKE_MARKER ('s', 'o', 'w', 't')) #define twos_MARKER (MAKE_MARKER ('t', 'w', 'o', 's')) #define raw_MARKER (MAKE_MARKER ('r', 'a', 'w', ' ')) #define in24_MARKER (MAKE_MARKER ('i', 'n', '2', '4')) #define ni24_MARKER (MAKE_MARKER ('4', '2', 'n', '1')) #define in32_MARKER (MAKE_MARKER ('i', 'n', '3', '2')) #define ni32_MARKER (MAKE_MARKER ('2', '3', 'n', 'i')) #define fl32_MARKER (MAKE_MARKER ('f', 'l', '3', '2')) #define FL32_MARKER (MAKE_MARKER ('F', 'L', '3', '2')) #define fl64_MARKER (MAKE_MARKER ('f', 'l', '6', '4')) #define FL64_MARKER (MAKE_MARKER ('F', 'L', '6', '4')) #define ulaw_MARKER (MAKE_MARKER ('u', 'l', 'a', 'w')) #define ULAW_MARKER (MAKE_MARKER ('U', 'L', 'A', 'W')) #define alaw_MARKER (MAKE_MARKER ('a', 'l', 'a', 'w')) #define ALAW_MARKER (MAKE_MARKER ('A', 'L', 'A', 'W')) #define DWVW_MARKER (MAKE_MARKER ('D', 'W', 'V', 'W')) #define GSM_MARKER (MAKE_MARKER ('G', 'S', 'M', ' ')) #define ima4_MARKER (MAKE_MARKER ('i', 'm', 'a', '4')) /* ** This value is officially assigned to Mega Nerd Pty Ltd by Apple ** Corportation as the Application marker for libsndfile. ** ** See : http://developer.apple.com/faq/datatype.html */ #define m3ga_MARKER (MAKE_MARKER ('m', '3', 'g', 'a')) /* Unsupported AIFC encodings.*/ #define MAC3_MARKER (MAKE_MARKER ('M', 'A', 'C', '3')) #define MAC6_MARKER (MAKE_MARKER ('M', 'A', 'C', '6')) #define ADP4_MARKER (MAKE_MARKER ('A', 'D', 'P', '4')) /* Predfined chunk sizes. */ #define SIZEOF_AIFF_COMM 18 #define SIZEOF_AIFC_COMM_MIN 22 #define SIZEOF_AIFC_COMM 24 #define SIZEOF_SSND_CHUNK 8 #define SIZEOF_INST_CHUNK 20 /* Is it constant? */ /* AIFC/IMA4 defines. */ #define AIFC_IMA4_BLOCK_LEN 34 #define AIFC_IMA4_SAMPLES_PER_BLOCK 64 #define AIFF_PEAK_CHUNK_SIZE(ch) (2 * sizeof (int) + ch * (sizeof (float) + sizeof (int))) /*------------------------------------------------------------------------------ * Typedefs for file chunks. */ enum { HAVE_FORM = 0x01, HAVE_AIFF = 0x02, HAVE_AIFC = 0x04, HAVE_FVER = 0x08, HAVE_COMM = 0x10, HAVE_SSND = 0x20 } ; typedef struct { uint32_t size ; int16_t numChannels ; uint32_t numSampleFrames ; int16_t sampleSize ; uint8_t sampleRate [10] ; uint32_t encoding ; char zero_bytes [2] ; } COMM_CHUNK ; typedef struct { uint32_t offset ; uint32_t blocksize ; } SSND_CHUNK ; typedef struct { int16_t playMode ; uint16_t beginLoop ; uint16_t endLoop ; } INST_LOOP ; typedef struct { int8_t baseNote ; /* all notes are MIDI note numbers */ int8_t detune ; /* cents off, only -50 to +50 are significant */ int8_t lowNote ; int8_t highNote ; int8_t lowVelocity ; /* 1 to 127 */ int8_t highVelocity ; /* 1 to 127 */ int16_t gain ; /* in dB, 0 is normal */ INST_LOOP sustain_loop ; INST_LOOP release_loop ; } INST_CHUNK ; enum { basc_SCALE_MINOR = 1, basc_SCALE_MAJOR, basc_SCALE_NEITHER, basc_SCALE_BOTH } ; enum { basc_TYPE_LOOP = 0, basc_TYPE_ONE_SHOT } ; typedef struct { uint32_t version ; uint32_t numBeats ; uint16_t rootNote ; uint16_t scaleType ; uint16_t sigNumerator ; uint16_t sigDenominator ; uint16_t loopType ; } basc_CHUNK ; typedef struct { uint16_t markerID ; uint32_t position ; } MARK_ID_POS ; typedef struct { sf_count_t comm_offset ; sf_count_t ssnd_offset ; int32_t chanmap_tag ; MARK_ID_POS *markstr ; } AIFF_PRIVATE ; /*------------------------------------------------------------------------------ * Private static functions. */ static int aiff_close (SF_PRIVATE *psf) ; static int tenbytefloat2int (uint8_t *bytes) ; static void uint2tenbytefloat (uint32_t num, uint8_t *bytes) ; static int aiff_read_comm_chunk (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) ; static int aiff_read_header (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) ; static int aiff_write_header (SF_PRIVATE *psf, int calc_length) ; static int aiff_write_tailer (SF_PRIVATE *psf) ; static void aiff_write_strings (SF_PRIVATE *psf, int location) ; static int aiff_command (SF_PRIVATE *psf, int command, void *data, int datasize) ; static const char *get_loop_mode_str (int16_t mode) ; static int16_t get_loop_mode (int16_t mode) ; static int aiff_read_basc_chunk (SF_PRIVATE * psf, int) ; static int aiff_read_chanmap (SF_PRIVATE * psf, unsigned dword) ; static uint32_t marker_to_position (const MARK_ID_POS *m, uint16_t n, int marksize) ; static int aiff_set_chunk (SF_PRIVATE *psf, const SF_CHUNK_INFO * chunk_info) ; static SF_CHUNK_ITERATOR * aiff_next_chunk_iterator (SF_PRIVATE *psf, SF_CHUNK_ITERATOR * iterator) ; static int aiff_get_chunk_size (SF_PRIVATE *psf, const SF_CHUNK_ITERATOR * iterator, SF_CHUNK_INFO * chunk_info) ; static int aiff_get_chunk_data (SF_PRIVATE *psf, const SF_CHUNK_ITERATOR * iterator, SF_CHUNK_INFO * chunk_info) ; /*------------------------------------------------------------------------------ ** Public function. */ int aiff_open (SF_PRIVATE *psf) { COMM_CHUNK comm_fmt ; int error, subformat ; memset (&comm_fmt, 0, sizeof (comm_fmt)) ; subformat = SF_CODEC (psf->sf.format) ; if ((psf->container_data = calloc (1, sizeof (AIFF_PRIVATE))) == NULL) return SFE_MALLOC_FAILED ; if (psf->file.mode == SFM_READ || (psf->file.mode == SFM_RDWR && psf->filelength > 0)) { if ((error = aiff_read_header (psf, &comm_fmt))) return error ; psf->next_chunk_iterator = aiff_next_chunk_iterator ; psf->get_chunk_size = aiff_get_chunk_size ; psf->get_chunk_data = aiff_get_chunk_data ; psf_fseek (psf, psf->dataoffset, SEEK_SET) ; } ; if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR) { if (psf->is_pipe) return SFE_NO_PIPE_WRITE ; if ((SF_CONTAINER (psf->sf.format)) != SF_FORMAT_AIFF) return SFE_BAD_OPEN_FORMAT ; if (psf->file.mode == SFM_WRITE && (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)) { if ((psf->peak_info = peak_info_calloc (psf->sf.channels)) == NULL) return SFE_MALLOC_FAILED ; psf->peak_info->peak_loc = SF_PEAK_START ; } ; if (psf->file.mode != SFM_RDWR || psf->filelength < 40) { psf->filelength = 0 ; psf->datalength = 0 ; psf->dataoffset = 0 ; psf->sf.frames = 0 ; } ; psf->strings.flags = SF_STR_ALLOW_START | SF_STR_ALLOW_END ; if ((error = aiff_write_header (psf, SF_FALSE))) return error ; psf->write_header = aiff_write_header ; psf->set_chunk = aiff_set_chunk ; } ; psf->container_close = aiff_close ; psf->command = aiff_command ; switch (SF_CODEC (psf->sf.format)) { case SF_FORMAT_PCM_U8 : error = pcm_init (psf) ; break ; case SF_FORMAT_PCM_S8 : error = pcm_init (psf) ; break ; case SF_FORMAT_PCM_16 : case SF_FORMAT_PCM_24 : case SF_FORMAT_PCM_32 : error = pcm_init (psf) ; break ; case SF_FORMAT_ULAW : error = ulaw_init (psf) ; break ; case SF_FORMAT_ALAW : error = alaw_init (psf) ; break ; /* Lite remove start */ case SF_FORMAT_FLOAT : error = float32_init (psf) ; break ; case SF_FORMAT_DOUBLE : error = double64_init (psf) ; break ; case SF_FORMAT_DWVW_12 : if (psf->sf.frames > comm_fmt.numSampleFrames) psf->sf.frames = comm_fmt.numSampleFrames ; break ; case SF_FORMAT_DWVW_16 : error = dwvw_init (psf, 16) ; if (psf->sf.frames > comm_fmt.numSampleFrames) psf->sf.frames = comm_fmt.numSampleFrames ; break ; case SF_FORMAT_DWVW_24 : error = dwvw_init (psf, 24) ; if (psf->sf.frames > comm_fmt.numSampleFrames) psf->sf.frames = comm_fmt.numSampleFrames ; break ; case SF_FORMAT_DWVW_N : if (psf->file.mode != SFM_READ) { error = SFE_DWVW_BAD_BITWIDTH ; break ; } ; if (comm_fmt.sampleSize >= 8 && comm_fmt.sampleSize < 24) { error = dwvw_init (psf, comm_fmt.sampleSize) ; if (psf->sf.frames > comm_fmt.numSampleFrames) psf->sf.frames = comm_fmt.numSampleFrames ; break ; } ; psf_log_printf (psf, "AIFC/DWVW : Bad bitwidth %d\n", comm_fmt.sampleSize) ; error = SFE_DWVW_BAD_BITWIDTH ; break ; case SF_FORMAT_IMA_ADPCM : /* ** IMA ADPCM encoded AIFF files always have a block length ** of 34 which decodes to 64 samples. */ error = aiff_ima_init (psf, AIFC_IMA4_BLOCK_LEN, AIFC_IMA4_SAMPLES_PER_BLOCK) ; break ; /* Lite remove end */ case SF_FORMAT_GSM610 : error = gsm610_init (psf) ; if (psf->sf.frames > comm_fmt.numSampleFrames) psf->sf.frames = comm_fmt.numSampleFrames ; break ; default : return SFE_UNIMPLEMENTED ; } ; if (psf->file.mode != SFM_WRITE && psf->sf.frames - comm_fmt.numSampleFrames != 0) { psf_log_printf (psf, "*** Frame count read from 'COMM' chunk (%u) not equal to frame count\n" "*** calculated from length of 'SSND' chunk (%u).\n", comm_fmt.numSampleFrames, (uint32_t) psf->sf.frames) ; } ; return error ; } /* aiff_open */ /*========================================================================================== ** Private functions. */ /* This function ought to check size */ static uint32_t marker_to_position (const MARK_ID_POS *m, uint16_t n, int marksize) { int i ; for (i = 0 ; i < marksize ; i++) if (m [i].markerID == n) return m [i].position ; return 0 ; } /* marker_to_position */ static int aiff_read_header (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) { SSND_CHUNK ssnd_fmt ; AIFF_PRIVATE *paiff ; BUF_UNION ubuf ; uint32_t chunk_size = 0, FORMsize, SSNDsize, bytesread, mark_count = 0 ; int k, found_chunk = 0, done = 0, error = 0 ; char *cptr ; int instr_found = 0, mark_found = 0 ; if (psf->filelength > SF_PLATFORM_S64 (0xffffffff)) psf_log_printf (psf, "Warning : filelength > 0xffffffff. This is bad!!!!\n") ; if ((paiff = psf->container_data) == NULL) return SFE_INTERNAL ; paiff->comm_offset = 0 ; paiff->ssnd_offset = 0 ; /* Set position to start of file to begin reading header. */ psf_binheader_readf (psf, "p", 0) ; memset (comm_fmt, 0, sizeof (COMM_CHUNK)) ; /* Until recently AIF* file were all BIG endian. */ psf->endian = SF_ENDIAN_BIG ; /* AIFF files can apparently have their chunks in any order. However, they ** must have a FORM chunk. Approach here is to read all the chunks one by ** one and then check for the mandatory chunks at the end. */ while (! done) { unsigned marker ; size_t jump = chunk_size & 1 ; marker = chunk_size = 0 ; psf_binheader_readf (psf, "Ejm4", jump, &marker, &chunk_size) ; if (marker == 0) { sf_count_t pos = psf_ftell (psf) ; psf_log_printf (psf, "Have 0 marker at position %D (0x%x).\n", pos, pos) ; break ; } ; if (psf->file.mode == SFM_RDWR && (found_chunk & HAVE_SSND)) return SFE_AIFF_RW_SSND_NOT_LAST ; psf_store_read_chunk_u32 (&psf->rchunks, marker, psf_ftell (psf), chunk_size) ; switch (marker) { case FORM_MARKER : if (found_chunk) return SFE_AIFF_NO_FORM ; FORMsize = chunk_size ; found_chunk |= HAVE_FORM ; psf_binheader_readf (psf, "m", &marker) ; switch (marker) { case AIFC_MARKER : case AIFF_MARKER : found_chunk |= (marker == AIFC_MARKER) ? (HAVE_AIFC | HAVE_AIFF) : HAVE_AIFF ; break ; default : break ; } ; if (psf->fileoffset > 0 && psf->filelength > FORMsize + 8) { /* Set file length. */ psf->filelength = FORMsize + 8 ; psf_log_printf (psf, "FORM : %u\n %M\n", FORMsize, marker) ; } else if (FORMsize != psf->filelength - 2 * SIGNED_SIZEOF (chunk_size)) { chunk_size = psf->filelength - 2 * sizeof (chunk_size) ; psf_log_printf (psf, "FORM : %u (should be %u)\n %M\n", FORMsize, chunk_size, marker) ; FORMsize = chunk_size ; } else psf_log_printf (psf, "FORM : %u\n %M\n", FORMsize, marker) ; /* Set this to 0, so we don't jump a byte when parsing the next marker. */ chunk_size = 0 ; break ; case COMM_MARKER : paiff->comm_offset = psf_ftell (psf) - 8 ; chunk_size += chunk_size & 1 ; comm_fmt->size = chunk_size ; if ((error = aiff_read_comm_chunk (psf, comm_fmt)) != 0) return error ; found_chunk |= HAVE_COMM ; break ; case PEAK_MARKER : /* Must have COMM chunk before PEAK chunk. */ if ((found_chunk & (HAVE_FORM | HAVE_AIFF | HAVE_COMM)) != (HAVE_FORM | HAVE_AIFF | HAVE_COMM)) return SFE_AIFF_PEAK_B4_COMM ; psf_log_printf (psf, "%M : %d\n", marker, chunk_size) ; if (chunk_size != AIFF_PEAK_CHUNK_SIZE (psf->sf.channels)) { psf_binheader_readf (psf, "j", chunk_size) ; psf_log_printf (psf, "*** File PEAK chunk too big.\n") ; return SFE_WAV_BAD_PEAK ; } ; if ((psf->peak_info = peak_info_calloc (psf->sf.channels)) == NULL) return SFE_MALLOC_FAILED ; /* read in rest of PEAK chunk. */ psf_binheader_readf (psf, "E44", &(psf->peak_info->version), &(psf->peak_info->timestamp)) ; if (psf->peak_info->version != 1) psf_log_printf (psf, " version : %d *** (should be version 1)\n", psf->peak_info->version) ; else psf_log_printf (psf, " version : %d\n", psf->peak_info->version) ; psf_log_printf (psf, " time stamp : %d\n", psf->peak_info->timestamp) ; psf_log_printf (psf, " Ch Position Value\n") ; cptr = ubuf.cbuf ; for (k = 0 ; k < psf->sf.channels ; k++) { float value ; uint32_t position ; psf_binheader_readf (psf, "Ef4", &value, &position) ; psf->peak_info->peaks [k].value = value ; psf->peak_info->peaks [k].position = position ; snprintf (cptr, sizeof (ubuf.scbuf), " %2d %-12" PRId64 " %g\n", k, psf->peak_info->peaks [k].position, psf->peak_info->peaks [k].value) ; cptr [sizeof (ubuf.scbuf) - 1] = 0 ; psf_log_printf (psf, "%s", cptr) ; } ; psf->peak_info->peak_loc = ((found_chunk & HAVE_SSND) == 0) ? SF_PEAK_START : SF_PEAK_END ; break ; case SSND_MARKER : if ((found_chunk & HAVE_AIFC) && (found_chunk & HAVE_FVER) == 0) psf_log_printf (psf, "*** Valid AIFC files should have an FVER chunk.\n") ; paiff->ssnd_offset = psf_ftell (psf) - 8 ; SSNDsize = chunk_size ; psf_binheader_readf (psf, "E44", &(ssnd_fmt.offset), &(ssnd_fmt.blocksize)) ; psf->datalength = SSNDsize - sizeof (ssnd_fmt) ; psf->dataoffset = psf_ftell (psf) ; if (psf->datalength > psf->filelength - psf->dataoffset || psf->datalength < 0) { psf_log_printf (psf, " SSND : %u (should be %D)\n", SSNDsize, psf->filelength - psf->dataoffset + sizeof (SSND_CHUNK)) ; psf->datalength = psf->filelength - psf->dataoffset ; } else psf_log_printf (psf, " SSND : %u\n", SSNDsize) ; if (ssnd_fmt.offset == 0 || psf->dataoffset + ssnd_fmt.offset == ssnd_fmt.blocksize) { psf_log_printf (psf, " Offset : %u\n", ssnd_fmt.offset) ; psf_log_printf (psf, " Block Size : %u\n", ssnd_fmt.blocksize) ; psf->dataoffset += ssnd_fmt.offset ; psf->datalength -= ssnd_fmt.offset ; } else { psf_log_printf (psf, " Offset : %u\n", ssnd_fmt.offset) ; psf_log_printf (psf, " Block Size : %u ???\n", ssnd_fmt.blocksize) ; psf->dataoffset += ssnd_fmt.offset ; psf->datalength -= ssnd_fmt.offset ; } ; /* Only set dataend if there really is data at the end. */ if (psf->datalength + psf->dataoffset < psf->filelength) psf->dataend = psf->datalength + psf->dataoffset ; found_chunk |= HAVE_SSND ; if (! psf->sf.seekable) break ; /* Seek to end of SSND chunk. */ psf_fseek (psf, psf->dataoffset + psf->datalength, SEEK_SET) ; break ; case c_MARKER : if (chunk_size == 0) break ; if (chunk_size >= SIGNED_SIZEOF (ubuf.scbuf)) { psf_log_printf (psf, " %M : %d (too big)\n", marker, chunk_size) ; return SFE_INTERNAL ; } ; cptr = ubuf.cbuf ; psf_binheader_readf (psf, "b", cptr, chunk_size + (chunk_size & 1)) ; cptr [chunk_size] = 0 ; psf_sanitize_string (cptr, chunk_size) ; psf_log_printf (psf, " %M : %s\n", marker, cptr) ; psf_store_string (psf, SF_STR_COPYRIGHT, cptr) ; chunk_size += chunk_size & 1 ; break ; case AUTH_MARKER : if (chunk_size == 0) break ; if (chunk_size >= SIGNED_SIZEOF (ubuf.scbuf) - 1) { psf_log_printf (psf, " %M : %d (too big)\n", marker, chunk_size) ; return SFE_INTERNAL ; } ; cptr = ubuf.cbuf ; psf_binheader_readf (psf, "b", cptr, chunk_size + (chunk_size & 1)) ; cptr [chunk_size] = 0 ; psf_log_printf (psf, " %M : %s\n", marker, cptr) ; psf_store_string (psf, SF_STR_ARTIST, cptr) ; chunk_size += chunk_size & 1 ; break ; case COMT_MARKER : { uint16_t count, id, len ; uint32_t timestamp, bytes ; if (chunk_size == 0) break ; bytes = chunk_size ; bytes -= psf_binheader_readf (psf, "E2", &count) ; psf_log_printf (psf, " %M : %d\n count : %d\n", marker, chunk_size, count) ; for (k = 0 ; k < count ; k++) { bytes -= psf_binheader_readf (psf, "E422", ×tamp, &id, &len) ; psf_log_printf (psf, " time : 0x%x\n marker : %x\n length : %d\n", timestamp, id, len) ; if (len + 1 > SIGNED_SIZEOF (ubuf.scbuf)) { psf_log_printf (psf, "\nError : string length (%d) too big.\n", len) ; return SFE_INTERNAL ; } ; cptr = ubuf.cbuf ; bytes -= psf_binheader_readf (psf, "b", cptr, len) ; cptr [len] = 0 ; psf_log_printf (psf, " string : %s\n", cptr) ; } ; if (bytes > 0) psf_binheader_readf (psf, "j", bytes) ; } ; break ; case APPL_MARKER : { unsigned appl_marker ; if (chunk_size == 0) break ; if (chunk_size >= SIGNED_SIZEOF (ubuf.scbuf) - 1) { psf_log_printf (psf, " %M : %u (too big, skipping)\n", marker, chunk_size) ; psf_binheader_readf (psf, "j", chunk_size + (chunk_size & 1)) ; break ; } ; if (chunk_size < 4) { psf_log_printf (psf, " %M : %d (too small, skipping)\n", marker, chunk_size) ; psf_binheader_readf (psf, "j", chunk_size + (chunk_size & 1)) ; break ; } ; cptr = ubuf.cbuf ; psf_binheader_readf (psf, "mb", &appl_marker, cptr, chunk_size + (chunk_size & 1) - 4) ; cptr [chunk_size] = 0 ; for (k = 0 ; k < (int) chunk_size ; k++) if (! psf_isprint (cptr [k])) { cptr [k] = 0 ; break ; } ; psf_log_printf (psf, " %M : %d\n AppSig : %M\n Name : %s\n", marker, chunk_size, appl_marker, cptr) ; psf_store_string (psf, SF_STR_SOFTWARE, cptr) ; chunk_size += chunk_size & 1 ; } ; break ; case NAME_MARKER : if (chunk_size == 0) break ; if (chunk_size >= SIGNED_SIZEOF (ubuf.scbuf) - 2) { psf_log_printf (psf, " %M : %d (too big)\n", marker, chunk_size) ; return SFE_INTERNAL ; } ; cptr = ubuf.cbuf ; psf_binheader_readf (psf, "b", cptr, chunk_size + (chunk_size & 1)) ; cptr [chunk_size] = 0 ; psf_log_printf (psf, " %M : %s\n", marker, cptr) ; psf_store_string (psf, SF_STR_TITLE, cptr) ; chunk_size += chunk_size & 1 ; break ; case ANNO_MARKER : if (chunk_size == 0) break ; if (chunk_size >= SIGNED_SIZEOF (ubuf.scbuf) - 2) { psf_log_printf (psf, " %M : %d (too big)\n", marker, chunk_size) ; return SFE_INTERNAL ; } ; cptr = ubuf.cbuf ; psf_binheader_readf (psf, "b", cptr, chunk_size + (chunk_size & 1)) ; cptr [chunk_size] = 0 ; psf_log_printf (psf, " %M : %s\n", marker, cptr) ; psf_store_string (psf, SF_STR_COMMENT, cptr) ; chunk_size += chunk_size & 1 ; break ; case INST_MARKER : if (chunk_size != SIZEOF_INST_CHUNK) { psf_log_printf (psf, " %M : %d (should be %d)\n", marker, chunk_size, SIZEOF_INST_CHUNK) ; psf_binheader_readf (psf, "j", chunk_size) ; break ; } ; psf_log_printf (psf, " %M : %d\n", marker, chunk_size) ; { uint8_t bytes [6] ; int16_t gain ; if (psf->instrument == NULL && (psf->instrument = psf_instrument_alloc ()) == NULL) return SFE_MALLOC_FAILED ; psf_binheader_readf (psf, "b", bytes, 6) ; psf_log_printf (psf, " Base Note : %u\n Detune : %u\n" " Low Note : %u\n High Note : %u\n" " Low Vel. : %u\n High Vel. : %u\n", bytes [0], bytes [1], bytes [2], bytes [3], bytes [4], bytes [5]) ; psf->instrument->basenote = bytes [0] ; psf->instrument->detune = bytes [1] ; psf->instrument->key_lo = bytes [2] ; psf->instrument->key_hi = bytes [3] ; psf->instrument->velocity_lo = bytes [4] ; psf->instrument->velocity_hi = bytes [5] ; psf_binheader_readf (psf, "E2", &gain) ; psf->instrument->gain = gain ; psf_log_printf (psf, " Gain (dB) : %d\n", gain) ; } ; { int16_t mode ; /* 0 - no loop, 1 - forward looping, 2 - backward looping */ const char *loop_mode ; uint16_t begin, end ; psf_binheader_readf (psf, "E222", &mode, &begin, &end) ; loop_mode = get_loop_mode_str (mode) ; mode = get_loop_mode (mode) ; if (mode == SF_LOOP_NONE) { psf->instrument->loop_count = 0 ; psf->instrument->loops [0].mode = SF_LOOP_NONE ; } else { psf->instrument->loop_count = 1 ; psf->instrument->loops [0].mode = SF_LOOP_FORWARD ; psf->instrument->loops [0].start = begin ; psf->instrument->loops [0].end = end ; psf->instrument->loops [0].count = 0 ; } ; psf_log_printf (psf, " Sustain\n mode : %d => %s\n begin : %u\n end : %u\n", mode, loop_mode, begin, end) ; psf_binheader_readf (psf, "E222", &mode, &begin, &end) ; loop_mode = get_loop_mode_str (mode) ; mode = get_loop_mode (mode) ; if (mode == SF_LOOP_NONE) psf->instrument->loops [1].mode = SF_LOOP_NONE ; else { psf->instrument->loop_count += 1 ; psf->instrument->loops [1].mode = SF_LOOP_FORWARD ; psf->instrument->loops [1].start = begin ; psf->instrument->loops [1].end = end ; psf->instrument->loops [1].count = 0 ; } ; psf_log_printf (psf, " Release\n mode : %d => %s\n begin : %u\n end : %u\n", mode, loop_mode, begin, end) ; } ; instr_found++ ; break ; case basc_MARKER : psf_log_printf (psf, " basc : %u\n", chunk_size) ; if ((error = aiff_read_basc_chunk (psf, chunk_size))) return error ; break ; case MARK_MARKER : psf_log_printf (psf, " %M : %d\n", marker, chunk_size) ; { uint16_t mark_id, n = 0 ; uint32_t position ; bytesread = psf_binheader_readf (psf, "E2", &n) ; mark_count = n ; psf_log_printf (psf, " Count : %u\n", mark_count) ; if (paiff->markstr != NULL) { psf_log_printf (psf, "*** Second MARK chunk found. Throwing away the first.\n") ; free (paiff->markstr) ; } ; paiff->markstr = calloc (mark_count, sizeof (MARK_ID_POS)) ; if (paiff->markstr == NULL) return SFE_MALLOC_FAILED ; if (mark_count > 1000) { psf_log_printf (psf, " More than 1000 markers, skipping!\n") ; psf_binheader_readf (psf, "j", chunk_size - bytesread) ; break ; } ; if ((psf->cues = psf_cues_alloc (mark_count)) == NULL) return SFE_MALLOC_FAILED ; for (n = 0 ; n < mark_count && bytesread < chunk_size ; n++) { uint32_t pstr_len ; uint8_t ch ; bytesread += psf_binheader_readf (psf, "E241", &mark_id, &position, &ch) ; psf_log_printf (psf, " Mark ID : %u\n Position : %u\n", mark_id, position) ; psf->cues->cue_points [n].indx = mark_id ; psf->cues->cue_points [n].position = 0 ; psf->cues->cue_points [n].fcc_chunk = MAKE_MARKER ('d', 'a', 't', 'a') ; /* always data */ psf->cues->cue_points [n].chunk_start = 0 ; psf->cues->cue_points [n].block_start = 0 ; psf->cues->cue_points [n].sample_offset = position ; pstr_len = (ch & 1) ? ch : ch + 1 ; if (pstr_len < sizeof (ubuf.scbuf) - 1) { bytesread += psf_binheader_readf (psf, "b", ubuf.scbuf, pstr_len) ; ubuf.scbuf [pstr_len] = 0 ; } else { uint32_t read_len = pstr_len - (sizeof (ubuf.scbuf) - 1) ; bytesread += psf_binheader_readf (psf, "bj", ubuf.scbuf, read_len, pstr_len - read_len) ; ubuf.scbuf [sizeof (ubuf.scbuf) - 1] = 0 ; } psf_log_printf (psf, " Name : %s\n", ubuf.scbuf) ; psf_strlcpy (psf->cues->cue_points [n].name, sizeof (psf->cues->cue_points [n].name), ubuf.cbuf) ; paiff->markstr [n].markerID = mark_id ; paiff->markstr [n].position = position ; /* ** TODO if ubuf.scbuf is equal to ** either Beg_loop, Beg loop or beg loop and spam ** if (psf->instrument == NULL && (psf->instrument = psf_instrument_alloc ()) == NULL) ** return SFE_MALLOC_FAILED ; */ } ; } ; mark_found++ ; psf_binheader_readf (psf, "j", chunk_size - bytesread) ; break ; case FVER_MARKER : found_chunk |= HAVE_FVER ; /* Fall through to next case. */ case SFX_MARKER : psf_log_printf (psf, " %M : %d\n", marker, chunk_size) ; psf_binheader_readf (psf, "j", chunk_size) ; break ; case NONE_MARKER : /* Fix for broken AIFC files with incorrect COMM chunk length. */ chunk_size = (chunk_size >> 24) - 3 ; psf_log_printf (psf, " %M : %d\n", marker, chunk_size) ; psf_binheader_readf (psf, "j", make_size_t (chunk_size)) ; break ; case CHAN_MARKER : if (chunk_size < 12) { psf_log_printf (psf, " %M : %d (should be >= 12)\n", marker, chunk_size) ; psf_binheader_readf (psf, "j", chunk_size) ; break ; } psf_log_printf (psf, " %M : %d\n", marker, chunk_size) ; if ((error = aiff_read_chanmap (psf, chunk_size))) return error ; break ; default : if (chunk_size >= 0xffff0000) { done = SF_TRUE ; psf_log_printf (psf, "*** Unknown chunk marker (%X) at position %D with length %u. Exiting parser.\n", marker, psf_ftell (psf) - 8, chunk_size) ; break ; } ; if (psf_isprint ((marker >> 24) & 0xFF) && psf_isprint ((marker >> 16) & 0xFF) && psf_isprint ((marker >> 8) & 0xFF) && psf_isprint (marker & 0xFF)) { psf_log_printf (psf, " %M : %u (unknown marker)\n", marker, chunk_size) ; psf_binheader_readf (psf, "j", chunk_size) ; break ; } ; if (psf_ftell (psf) & 0x03) { psf_log_printf (psf, " Unknown chunk marker at position %D. Resynching.\n", psf_ftell (psf) - 8) ; psf_binheader_readf (psf, "j", -3) ; break ; } ; psf_log_printf (psf, "*** Unknown chunk marker %X at position %D. Exiting parser.\n", marker, psf_ftell (psf)) ; done = SF_TRUE ; break ; } ; /* switch (marker) */ if (chunk_size >= psf->filelength) { psf_log_printf (psf, "*** Chunk size %u > file length %D. Exiting parser.\n", chunk_size, psf->filelength) ; break ; } ; if ((! psf->sf.seekable) && (found_chunk & HAVE_SSND)) break ; if (psf_ftell (psf) >= psf->filelength - (2 * SIGNED_SIZEOF (int32_t))) break ; } ; /* while (1) */ if (instr_found && mark_found) { int ji, str_index ; /* Next loop will convert markers to loop positions for internal handling */ for (ji = 0 ; ji < psf->instrument->loop_count ; ji ++) { if (ji < ARRAY_LEN (psf->instrument->loops)) { psf->instrument->loops [ji].start = marker_to_position (paiff->markstr, psf->instrument->loops [ji].start, mark_count) ; psf->instrument->loops [ji].end = marker_to_position (paiff->markstr, psf->instrument->loops [ji].end, mark_count) ; psf->instrument->loops [ji].mode = SF_LOOP_FORWARD ; } ; } ; /* The markers that correspond to loop positions can now be removed from cues struct */ if (psf->cues->cue_count > (uint32_t) (psf->instrument->loop_count * 2)) { uint32_t j ; for (j = 0 ; j < psf->cues->cue_count - (uint32_t) (psf->instrument->loop_count * 2) ; j ++) { /* This simply copies the information in cues above loop positions and writes it at current count instead */ psf->cues->cue_points [j].indx = psf->cues->cue_points [j + psf->instrument->loop_count * 2].indx ; psf->cues->cue_points [j].position = psf->cues->cue_points [j + psf->instrument->loop_count * 2].position ; psf->cues->cue_points [j].fcc_chunk = psf->cues->cue_points [j + psf->instrument->loop_count * 2].fcc_chunk ; psf->cues->cue_points [j].chunk_start = psf->cues->cue_points [j + psf->instrument->loop_count * 2].chunk_start ; psf->cues->cue_points [j].block_start = psf->cues->cue_points [j + psf->instrument->loop_count * 2].block_start ; psf->cues->cue_points [j].sample_offset = psf->cues->cue_points [j + psf->instrument->loop_count * 2].sample_offset ; for (str_index = 0 ; str_index < 256 ; str_index++) psf->cues->cue_points [j].name [str_index] = psf->cues->cue_points [j + psf->instrument->loop_count * 2].name [str_index] ; } ; psf->cues->cue_count -= psf->instrument->loop_count * 2 ; } else { /* All the cues were in fact loop positions so we can actually remove the cues altogether */ free (psf->cues) ; psf->cues = NULL ; } } ; if (psf->sf.channels < 1) return SFE_CHANNEL_COUNT_ZERO ; if (psf->sf.channels >= SF_MAX_CHANNELS) return SFE_CHANNEL_COUNT ; if (! (found_chunk & HAVE_FORM)) return SFE_AIFF_NO_FORM ; if (! (found_chunk & HAVE_AIFF)) return SFE_AIFF_COMM_NO_FORM ; if (! (found_chunk & HAVE_COMM)) return SFE_AIFF_SSND_NO_COMM ; if (! psf->dataoffset) return SFE_AIFF_NO_DATA ; return 0 ; } /* aiff_read_header */ static int aiff_close (SF_PRIVATE *psf) { AIFF_PRIVATE *paiff = psf->container_data ; if (paiff != NULL && paiff->markstr != NULL) { free (paiff->markstr) ; paiff->markstr = NULL ; } ; if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR) { aiff_write_tailer (psf) ; aiff_write_header (psf, SF_TRUE) ; } ; return 0 ; } /* aiff_close */ static int aiff_read_comm_chunk (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) { BUF_UNION ubuf ; int subformat, samplerate ; ubuf.scbuf [0] = 0 ; /* The COMM chunk has an int aligned to an odd word boundary. Some ** procesors are not able to deal with this (ie bus fault) so we have ** to take special care. */ psf_binheader_readf (psf, "E242b", &(comm_fmt->numChannels), &(comm_fmt->numSampleFrames), &(comm_fmt->sampleSize), &(comm_fmt->sampleRate), SIGNED_SIZEOF (comm_fmt->sampleRate)) ; if (comm_fmt->size > 0x10000 && (comm_fmt->size & 0xffff) == 0) { psf_log_printf (psf, " COMM : %d (0x%x) *** should be ", comm_fmt->size, comm_fmt->size) ; comm_fmt->size = ENDSWAP_32 (comm_fmt->size) ; psf_log_printf (psf, "%d (0x%x)\n", comm_fmt->size, comm_fmt->size) ; } else psf_log_printf (psf, " COMM : %d\n", comm_fmt->size) ; if (comm_fmt->size == SIZEOF_AIFF_COMM) comm_fmt->encoding = NONE_MARKER ; else if (comm_fmt->size == SIZEOF_AIFC_COMM_MIN) psf_binheader_readf (psf, "Em", &(comm_fmt->encoding)) ; else if (comm_fmt->size >= SIZEOF_AIFC_COMM) { uint8_t encoding_len ; unsigned read_len ; psf_binheader_readf (psf, "Em1", &(comm_fmt->encoding), &encoding_len) ; comm_fmt->size = SF_MIN (sizeof (ubuf.scbuf), make_size_t (comm_fmt->size)) ; memset (ubuf.scbuf, 0, comm_fmt->size) ; read_len = comm_fmt->size - SIZEOF_AIFC_COMM + 1 ; psf_binheader_readf (psf, "b", ubuf.scbuf, read_len) ; ubuf.scbuf [read_len + 1] = 0 ; } ; samplerate = tenbytefloat2int (comm_fmt->sampleRate) ; psf_log_printf (psf, " Sample Rate : %d\n", samplerate) ; psf_log_printf (psf, " Frames : %u%s\n", comm_fmt->numSampleFrames, (comm_fmt->numSampleFrames == 0 && psf->filelength > 104) ? " (Should not be 0)" : "") ; if (comm_fmt->numChannels < 1 || comm_fmt->numChannels >= SF_MAX_CHANNELS) { psf_log_printf (psf, " Channels : %d (should be >= 1 and < %d)\n", comm_fmt->numChannels, SF_MAX_CHANNELS) ; return SFE_CHANNEL_COUNT_BAD ; } ; psf_log_printf (psf, " Channels : %d\n", comm_fmt->numChannels) ; /* Found some broken 'fl32' files with comm.samplesize == 16. Fix it here. */ if ((comm_fmt->encoding == fl32_MARKER || comm_fmt->encoding == FL32_MARKER) && comm_fmt->sampleSize != 32) { psf_log_printf (psf, " Sample Size : %d (should be 32)\n", comm_fmt->sampleSize) ; comm_fmt->sampleSize = 32 ; } else if ((comm_fmt->encoding == fl64_MARKER || comm_fmt->encoding == FL64_MARKER) && comm_fmt->sampleSize != 64) { psf_log_printf (psf, " Sample Size : %d (should be 64)\n", comm_fmt->sampleSize) ; comm_fmt->sampleSize = 64 ; } else psf_log_printf (psf, " Sample Size : %d\n", comm_fmt->sampleSize) ; subformat = s_bitwidth_to_subformat (comm_fmt->sampleSize) ; psf->sf.samplerate = samplerate ; psf->sf.frames = comm_fmt->numSampleFrames ; psf->sf.channels = comm_fmt->numChannels ; psf->bytewidth = BITWIDTH2BYTES (comm_fmt->sampleSize) ; psf->endian = SF_ENDIAN_BIG ; switch (comm_fmt->encoding) { case NONE_MARKER : psf->sf.format = (SF_FORMAT_AIFF | subformat) ; break ; case twos_MARKER : case in24_MARKER : case in32_MARKER : psf->sf.format = (SF_ENDIAN_BIG | SF_FORMAT_AIFF | subformat) ; break ; case sowt_MARKER : case ni24_MARKER : case ni32_MARKER : psf->endian = SF_ENDIAN_LITTLE ; psf->sf.format = (SF_ENDIAN_LITTLE | SF_FORMAT_AIFF | subformat) ; break ; case fl32_MARKER : case FL32_MARKER : psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_FLOAT) ; break ; case ulaw_MARKER : case ULAW_MARKER : psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_ULAW) ; break ; case alaw_MARKER : case ALAW_MARKER : psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_ALAW) ; break ; case fl64_MARKER : case FL64_MARKER : psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_DOUBLE) ; break ; case raw_MARKER : psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_PCM_U8) ; break ; case DWVW_MARKER : psf->sf.format = SF_FORMAT_AIFF ; switch (comm_fmt->sampleSize) { case 12 : psf->sf.format |= SF_FORMAT_DWVW_12 ; break ; case 16 : psf->sf.format |= SF_FORMAT_DWVW_16 ; break ; case 24 : psf->sf.format |= SF_FORMAT_DWVW_24 ; break ; default : psf->sf.format |= SF_FORMAT_DWVW_N ; break ; } ; break ; case GSM_MARKER : psf->sf.format = SF_FORMAT_AIFF ; psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_GSM610) ; break ; case ima4_MARKER : psf->endian = SF_ENDIAN_BIG ; psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_IMA_ADPCM) ; break ; default : psf_log_printf (psf, "AIFC : Unimplemented format : %M\n", comm_fmt->encoding) ; return SFE_UNIMPLEMENTED ; } ; if (! ubuf.scbuf [0]) psf_log_printf (psf, " Encoding : %M\n", comm_fmt->encoding) ; else psf_log_printf (psf, " Encoding : %M => %s\n", comm_fmt->encoding, ubuf.scbuf) ; return 0 ; } /* aiff_read_comm_chunk */ /*========================================================================================== */ static void aiff_rewrite_header (SF_PRIVATE *psf) { /* Assuming here that the header has already been written and just ** needs to be corrected for new data length. That means that we ** only change the length fields of the FORM and SSND chunks ; ** everything else can be skipped over. */ int k, ch, comm_size, comm_frames ; psf_fseek (psf, 0, SEEK_SET) ; psf_fread (psf->header.ptr, psf->dataoffset, 1, psf) ; psf->header.indx = 0 ; /* FORM chunk. */ psf_binheader_writef (psf, "Etm8", FORM_MARKER, psf->filelength - 8) ; /* COMM chunk. */ if ((k = psf_find_read_chunk_m32 (&psf->rchunks, COMM_MARKER)) >= 0) { psf->header.indx = psf->rchunks.chunks [k].offset - 8 ; comm_frames = psf->sf.frames ; comm_size = psf->rchunks.chunks [k].len ; psf_binheader_writef (psf, "Em42t4", COMM_MARKER, comm_size, psf->sf.channels, comm_frames) ; } ; /* PEAK chunk. */ if ((k = psf_find_read_chunk_m32 (&psf->rchunks, PEAK_MARKER)) >= 0) { psf->header.indx = psf->rchunks.chunks [k].offset - 8 ; psf_binheader_writef (psf, "Em4", PEAK_MARKER, AIFF_PEAK_CHUNK_SIZE (psf->sf.channels)) ; psf_binheader_writef (psf, "E44", 1, time (NULL)) ; for (ch = 0 ; ch < psf->sf.channels ; ch++) psf_binheader_writef (psf, "Eft8", (float) psf->peak_info->peaks [ch].value, psf->peak_info->peaks [ch].position) ; } ; /* SSND chunk. */ if ((k = psf_find_read_chunk_m32 (&psf->rchunks, SSND_MARKER)) >= 0) { psf->header.indx = psf->rchunks.chunks [k].offset - 8 ; psf_binheader_writef (psf, "Etm8", SSND_MARKER, psf->datalength + SIZEOF_SSND_CHUNK) ; } ; /* Header mangling complete so write it out. */ psf_fseek (psf, 0, SEEK_SET) ; psf_fwrite (psf->header.ptr, psf->header.indx, 1, psf) ; return ; } /* aiff_rewrite_header */ static uint16_t convert_loop_mode (int type_mode) { switch (type_mode) { case SF_LOOP_NONE: return 0 ; case SF_LOOP_FORWARD : return 1 ; case SF_LOOP_ALTERNATING : return 2 ; default : break ; } ; return 0 ; } /* convert_loop_mode */ static int aiff_write_header (SF_PRIVATE *psf, int calc_length) { sf_count_t current ; AIFF_PRIVATE *paiff ; uint8_t comm_sample_rate [10], comm_zero_bytes [2] = { 0, 0 } ; uint32_t comm_type, comm_size, comm_encoding, comm_frames = 0, uk ; int k, endian, has_data = SF_FALSE ; int16_t bit_width ; if ((paiff = psf->container_data) == NULL) return SFE_INTERNAL ; current = psf_ftell (psf) ; if (current > psf->dataoffset) has_data = SF_TRUE ; if (calc_length) { psf->filelength = psf_get_filelen (psf) ; psf->datalength = psf->filelength - psf->dataoffset ; if (psf->dataend) psf->datalength -= psf->filelength - psf->dataend ; if (psf->bytewidth > 0) psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ; } ; if (psf->file.mode == SFM_RDWR && psf->dataoffset > 0 && psf->rchunks.count > 0) { aiff_rewrite_header (psf) ; if (current > 0) psf_fseek (psf, current, SEEK_SET) ; return 0 ; } ; endian = SF_ENDIAN (psf->sf.format) ; if (CPU_IS_LITTLE_ENDIAN && endian == SF_ENDIAN_CPU) endian = SF_ENDIAN_LITTLE ; /* Standard value here. */ bit_width = psf->bytewidth * 8 ; comm_frames = (psf->sf.frames > 0xFFFFFFFF) ? 0xFFFFFFFF : psf->sf.frames ; switch (SF_CODEC (psf->sf.format) | endian) { case SF_FORMAT_PCM_S8 | SF_ENDIAN_BIG : psf->endian = SF_ENDIAN_BIG ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = twos_MARKER ; break ; case SF_FORMAT_PCM_S8 | SF_ENDIAN_LITTLE : psf->endian = SF_ENDIAN_LITTLE ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = sowt_MARKER ; break ; case SF_FORMAT_PCM_16 | SF_ENDIAN_BIG : psf->endian = SF_ENDIAN_BIG ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = twos_MARKER ; break ; case SF_FORMAT_PCM_16 | SF_ENDIAN_LITTLE : psf->endian = SF_ENDIAN_LITTLE ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = sowt_MARKER ; break ; case SF_FORMAT_PCM_24 | SF_ENDIAN_BIG : psf->endian = SF_ENDIAN_BIG ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = in24_MARKER ; break ; case SF_FORMAT_PCM_24 | SF_ENDIAN_LITTLE : psf->endian = SF_ENDIAN_LITTLE ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = ni24_MARKER ; break ; case SF_FORMAT_PCM_32 | SF_ENDIAN_BIG : psf->endian = SF_ENDIAN_BIG ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = in32_MARKER ; break ; case SF_FORMAT_PCM_32 | SF_ENDIAN_LITTLE : psf->endian = SF_ENDIAN_LITTLE ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = ni32_MARKER ; break ; case SF_FORMAT_PCM_S8 : /* SF_ENDIAN_FILE */ case SF_FORMAT_PCM_16 : case SF_FORMAT_PCM_24 : case SF_FORMAT_PCM_32 : psf->endian = SF_ENDIAN_BIG ; comm_type = AIFF_MARKER ; comm_size = SIZEOF_AIFF_COMM ; comm_encoding = 0 ; break ; case SF_FORMAT_FLOAT : /* Big endian floating point. */ psf->endian = SF_ENDIAN_BIG ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = FL32_MARKER ; /* Use 'FL32' because its easier to read. */ break ; case SF_FORMAT_DOUBLE : /* Big endian double precision floating point. */ psf->endian = SF_ENDIAN_BIG ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = FL64_MARKER ; /* Use 'FL64' because its easier to read. */ break ; case SF_FORMAT_ULAW : psf->endian = SF_ENDIAN_BIG ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = ulaw_MARKER ; break ; case SF_FORMAT_ALAW : psf->endian = SF_ENDIAN_BIG ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = alaw_MARKER ; break ; case SF_FORMAT_PCM_U8 : psf->endian = SF_ENDIAN_BIG ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = raw_MARKER ; break ; case SF_FORMAT_DWVW_12 : psf->endian = SF_ENDIAN_BIG ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = DWVW_MARKER ; /* Override standard value here.*/ bit_width = 12 ; break ; case SF_FORMAT_DWVW_16 : psf->endian = SF_ENDIAN_BIG ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = DWVW_MARKER ; /* Override standard value here.*/ bit_width = 16 ; break ; case SF_FORMAT_DWVW_24 : psf->endian = SF_ENDIAN_BIG ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = DWVW_MARKER ; /* Override standard value here.*/ bit_width = 24 ; break ; case SF_FORMAT_GSM610 : psf->endian = SF_ENDIAN_BIG ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = GSM_MARKER ; /* Override standard value here.*/ bit_width = 16 ; break ; case SF_FORMAT_IMA_ADPCM : psf->endian = SF_ENDIAN_BIG ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = ima4_MARKER ; /* Override standard value here.*/ bit_width = 16 ; comm_frames = psf->sf.frames / AIFC_IMA4_SAMPLES_PER_BLOCK ; break ; default : return SFE_BAD_OPEN_FORMAT ; } ; /* Reset the current header length to zero. */ psf->header.ptr [0] = 0 ; psf->header.indx = 0 ; psf_fseek (psf, 0, SEEK_SET) ; psf_binheader_writef (psf, "Etm8", FORM_MARKER, psf->filelength - 8) ; /* Write AIFF/AIFC marker and COM chunk. */ if (comm_type == AIFC_MARKER) /* AIFC must have an FVER chunk. */ psf_binheader_writef (psf, "Emm44", comm_type, FVER_MARKER, 4, 0xA2805140) ; else psf_binheader_writef (psf, "Em", comm_type) ; paiff->comm_offset = psf->header.indx - 8 ; memset (comm_sample_rate, 0, sizeof (comm_sample_rate)) ; uint2tenbytefloat (psf->sf.samplerate, comm_sample_rate) ; psf_binheader_writef (psf, "Em42t42", COMM_MARKER, comm_size, psf->sf.channels, comm_frames, bit_width) ; psf_binheader_writef (psf, "b", comm_sample_rate, sizeof (comm_sample_rate)) ; /* AIFC chunks have some extra data. */ if (comm_type == AIFC_MARKER) psf_binheader_writef (psf, "mb", comm_encoding, comm_zero_bytes, sizeof (comm_zero_bytes)) ; if (psf->channel_map && paiff->chanmap_tag) psf_binheader_writef (psf, "Em4444", CHAN_MARKER, 12, paiff->chanmap_tag, 0, 0) ; /* Check if there's a INST chunk to write */ if (psf->instrument != NULL && psf->cues != NULL) { /* Both loops and cues exist */ uint16_t sustainLoopMode, releaseLoopMode ; uint32_t idx, sLoopStart = 0, sLoopEnd = 0, rLoopStart = 0, rLoopEnd = 0 ; int totalStringLength = 0, stringLength ; /* Here we count how many bytes will the pascal strings need */ for (idx = 0 ; idx < psf->cues->cue_count ; idx++) { stringLength = strlen (psf->cues->cue_points [idx].name) + 1 ; /* We'll count the first byte also of every pascal string */ if (stringLength % 2 == 0) totalStringLength += stringLength ; else totalStringLength += (stringLength + 1) ; /* The pascal string must have an even count */ } /* First we check which loops are active and create the necessary MARK chunk for markers */ /* The first written markers will be references from loop points then comes the real markers */ if (psf->instrument->loops [0].mode != SF_LOOP_NONE && psf->instrument->loops [1].mode != SF_LOOP_NONE) { /* There's both a sustain loop and a release loop */ psf_binheader_writef (psf, "Em42 241b 241b 241b 241b", MARK_MARKER, 2 + 2 * (2 + 4 + 1 + 19) + 2 * (2 + 4 + 1 + 17) + psf->cues->cue_count * (2 + 4) + totalStringLength, 4 + psf->cues->cue_count, 1, psf->instrument->loops [0].start, 18, "sustain loop start", make_size_t (19), 2, psf->instrument->loops [0].end, 16, "sustain loop end", make_size_t (17), 3, psf->instrument->loops [1].start, 18, "release loop start", make_size_t (19), 4, psf->instrument->loops [1].end, 16, "release loop end", make_size_t (17)) ; /* Now comes true markers from cues struct */ for (idx = 0 ; idx < psf->cues->cue_count ; idx++) psf_binheader_writef (psf, "E24p", 5 + idx, psf->cues->cue_points [idx].sample_offset, psf->cues->cue_points [idx].name) ; /* Change the loops to be references to the markers */ sLoopStart = 1 ; sLoopEnd = 2 ; rLoopStart = 3 ; rLoopEnd = 4 ; } else if (psf->instrument->loops [0].mode != SF_LOOP_NONE && psf->instrument->loops [1].mode == SF_LOOP_NONE) { /* There's a sustain loop but no release loop */ psf_binheader_writef (psf, "Em42241b241b", MARK_MARKER, 2 + (2 + 4 + 1 + 19) + (2 + 4 + 1 + 17) + psf->cues->cue_count * (2 + 4) + totalStringLength, 2 + psf->cues->cue_count, 1, psf->instrument->loops [0].start, 18, "sustain loop start", make_size_t (19), 2, psf->instrument->loops [0].end, 16, "sustain loop end", make_size_t (17)) ; /* Now comes true markers from cues struct */ for (idx = 0 ; idx < psf->cues->cue_count ; idx++) psf_binheader_writef (psf, "E24p", 3 + idx, psf->cues->cue_points [idx].sample_offset, psf->cues->cue_points [idx].name) ; /* Change the loops to be references to the markers */ sLoopStart = 1 ; sLoopEnd = 2 ; rLoopStart = 0 ; rLoopEnd = 0 ; } else if (psf->instrument->loops [0].mode == SF_LOOP_NONE && psf->instrument->loops [1].mode != SF_LOOP_NONE) { /* There's a release loop but no sustain loop! Strange indeed! */ psf_binheader_writef (psf, "Em42241b241b", MARK_MARKER, 2 + (2 + 4 + 1 + 19) + (2 + 4 + 1 + 17) + psf->cues->cue_count * (2 + 4) + totalStringLength, 2 + psf->cues->cue_count, 1, psf->instrument->loops [1].start, 18, "release loop start", make_size_t (19), 2, psf->instrument->loops [1].end, 16, "release loop end", make_size_t (17)) ; /* Now comes true markers from cues struct */ for (idx = 0 ; idx < psf->cues->cue_count ; idx++) psf_binheader_writef (psf, "E24p", 3 + idx, psf->cues->cue_points [idx].sample_offset, psf->cues->cue_points [idx].name) ; /* Change the loops to be references to the markers */ sLoopStart = 0 ; sLoopEnd = 0 ; rLoopStart = 1 ; rLoopEnd = 2 ; } ; /* First convert loop modes to aiff standard */ sustainLoopMode = convert_loop_mode (psf->instrument->loops [0].mode) ; releaseLoopMode = convert_loop_mode (psf->instrument->loops [1].mode) ; /* Now we finally write the actual INST chunk */ psf_binheader_writef (psf, "Em4111111", INST_MARKER, SIZEOF_INST_CHUNK, psf->instrument->basenote, psf->instrument->detune, psf->instrument->key_lo, psf->instrument->key_hi, psf->instrument->velocity_lo, psf->instrument->velocity_hi) ; psf_binheader_writef (psf, "E2222222", (short) psf->instrument->gain, sustainLoopMode, sLoopStart, sLoopEnd, releaseLoopMode, rLoopStart, rLoopEnd) ; } else if (psf->instrument != NULL && psf->cues == NULL) { /* There are loops but no cues */ uint16_t sustainLoopMode, releaseLoopMode ; uint32_t sLoopStart = 0, sLoopEnd = 0, rLoopStart = 0, rLoopEnd = 0 ; /* First we check which loops are active and create the necessary MARK chunk for markers */ if (psf->instrument->loops [0].mode != SF_LOOP_NONE && psf->instrument->loops [1].mode != SF_LOOP_NONE) { /* There's both a sustain loop and a release loop */ psf_binheader_writef (psf, "Em42 241b 241b 241b 241b", MARK_MARKER, 2 + 2 * (2 + 4 + 1 + 19) + 2 * (2 + 4 + 1 + 17), 4, 1, psf->instrument->loops [0].start, 18, "sustain loop start", make_size_t (19), 2, psf->instrument->loops [0].end, 16, "sustain loop end", make_size_t (17), 3, psf->instrument->loops [1].start, 18, "release loop start", make_size_t (19), 4, psf->instrument->loops [1].end, 16, "release loop end", make_size_t (17)) ; /* Change the loops to be references to the markers */ sLoopStart = 1 ; sLoopEnd = 2 ; rLoopStart = 3 ; rLoopEnd = 4 ; } else if (psf->instrument->loops [0].mode != SF_LOOP_NONE && psf->instrument->loops [1].mode == SF_LOOP_NONE) { /* There's a sustain loop but no release loop */ psf_binheader_writef (psf, "Em42241b241b", MARK_MARKER, 2 + (2 + 4 + 1 + 19) + (2 + 4 + 1 + 17), 2, 1, psf->instrument->loops [0].start, 18, "sustain loop start", make_size_t (19), 2, psf->instrument->loops [0].end, 16, "sustain loop end", make_size_t (17)) ; /* Change the loops to be references to the markers */ sLoopStart = 1 ; sLoopEnd = 2 ; rLoopStart = 0 ; rLoopEnd = 0 ; } else if (psf->instrument->loops [0].mode == SF_LOOP_NONE && psf->instrument->loops [1].mode != SF_LOOP_NONE) { /* There's a release loop but no sustain loop! Strange indeed! */ psf_binheader_writef (psf, "Em42241b241b", MARK_MARKER, 2 + (2 + 4 + 1 + 19) + (2 + 4 + 1 + 17), 2, 1, psf->instrument->loops [1].start, 18, "release loop start", make_size_t (19), 2, psf->instrument->loops [1].end, 16, "release loop end", make_size_t (17)) ; /* Change the loops to be references to the markers */ sLoopStart = 0 ; sLoopEnd = 0 ; rLoopStart = 1 ; rLoopEnd = 2 ; } ; /* First convert loop modes to aiff standard */ sustainLoopMode = convert_loop_mode (psf->instrument->loops [0].mode) ; releaseLoopMode = convert_loop_mode (psf->instrument->loops [1].mode) ; /* Now we finally write the actual INST chunk */ psf_binheader_writef (psf, "Em4111111", INST_MARKER, SIZEOF_INST_CHUNK, psf->instrument->basenote, psf->instrument->detune, psf->instrument->key_lo, psf->instrument->key_hi, psf->instrument->velocity_lo, psf->instrument->velocity_hi) ; psf_binheader_writef (psf, "E2222222", (short) psf->instrument->gain, sustainLoopMode, sLoopStart, sLoopEnd, releaseLoopMode, rLoopStart, rLoopEnd) ; } else if (psf->instrument == NULL && psf->cues != NULL) { /* There are cues but no loops */ uint32_t idx ; int totalStringLength = 0, stringLength ; /* Here we count how many bytes will the pascal strings need */ for (idx = 0 ; idx < psf->cues->cue_count ; idx++) { stringLength = strlen (psf->cues->cue_points [idx].name) + 1 ; /* We'll count the first byte also of every pascal string */ totalStringLength += stringLength + (stringLength % 2 == 0 ? 0 : 1) ; } ; psf_binheader_writef (psf, "Em42", MARK_MARKER, 2 + psf->cues->cue_count * (2 + 4) + totalStringLength, psf->cues->cue_count) ; for (idx = 0 ; idx < psf->cues->cue_count ; idx++) psf_binheader_writef (psf, "E24p", psf->cues->cue_points [idx].indx, psf->cues->cue_points [idx].sample_offset, psf->cues->cue_points [idx].name) ; } ; if (psf->strings.flags & SF_STR_LOCATE_START) aiff_write_strings (psf, SF_STR_LOCATE_START) ; if (psf->peak_info != NULL && psf->peak_info->peak_loc == SF_PEAK_START) { psf_binheader_writef (psf, "Em4", PEAK_MARKER, AIFF_PEAK_CHUNK_SIZE (psf->sf.channels)) ; psf_binheader_writef (psf, "E44", 1, time (NULL)) ; for (k = 0 ; k < psf->sf.channels ; k++) psf_binheader_writef (psf, "Eft8", (float) psf->peak_info->peaks [k].value, psf->peak_info->peaks [k].position) ; } ; /* Write custom headers. */ for (uk = 0 ; uk < psf->wchunks.used ; uk++) psf_binheader_writef (psf, "Em4b", psf->wchunks.chunks [uk].mark32, psf->wchunks.chunks [uk].len, psf->wchunks.chunks [uk].data, make_size_t (psf->wchunks.chunks [uk].len)) ; /* Write SSND chunk. */ paiff->ssnd_offset = psf->header.indx ; psf_binheader_writef (psf, "Etm844", SSND_MARKER, psf->datalength + SIZEOF_SSND_CHUNK, 0, 0) ; /* Header construction complete so write it out. */ psf_fwrite (psf->header.ptr, psf->header.indx, 1, psf) ; if (psf->error) return psf->error ; if (has_data && psf->dataoffset != psf->header.indx) return psf->error = SFE_INTERNAL ; psf->dataoffset = psf->header.indx ; if (! has_data) psf_fseek (psf, psf->dataoffset, SEEK_SET) ; else if (current > 0) psf_fseek (psf, current, SEEK_SET) ; return psf->error ; } /* aiff_write_header */ static int aiff_write_tailer (SF_PRIVATE *psf) { int k ; /* Reset the current header length to zero. */ psf->header.ptr [0] = 0 ; psf->header.indx = 0 ; psf->dataend = psf_fseek (psf, 0, SEEK_END) ; /* Make sure tailer data starts at even byte offset. Pad if necessary. */ if (psf->dataend % 2 == 1) { psf_fwrite (psf->header.ptr, 1, 1, psf) ; psf->dataend ++ ; } ; if (psf->peak_info != NULL && psf->peak_info->peak_loc == SF_PEAK_END) { psf_binheader_writef (psf, "Em4", PEAK_MARKER, AIFF_PEAK_CHUNK_SIZE (psf->sf.channels)) ; psf_binheader_writef (psf, "E44", 1, time (NULL)) ; for (k = 0 ; k < psf->sf.channels ; k++) psf_binheader_writef (psf, "Eft8", (float) psf->peak_info->peaks [k].value, psf->peak_info->peaks [k].position) ; } ; if (psf->strings.flags & SF_STR_LOCATE_END) aiff_write_strings (psf, SF_STR_LOCATE_END) ; /* Write the tailer. */ if (psf->header.indx > 0) psf_fwrite (psf->header.ptr, psf->header.indx, 1, psf) ; return 0 ; } /* aiff_write_tailer */ static void aiff_write_strings (SF_PRIVATE *psf, int location) { int k, slen ; for (k = 0 ; k < SF_MAX_STRINGS ; k++) { if (psf->strings.data [k].type == 0) break ; if (psf->strings.data [k].flags != location) continue ; switch (psf->strings.data [k].type) { case SF_STR_SOFTWARE : slen = strlen (psf->strings.storage + psf->strings.data [k].offset) ; psf_binheader_writef (psf, "Em4mb", APPL_MARKER, slen + 4, m3ga_MARKER, psf->strings.storage + psf->strings.data [k].offset, make_size_t (slen + (slen & 1))) ; break ; case SF_STR_TITLE : psf_binheader_writef (psf, "EmS", NAME_MARKER, psf->strings.storage + psf->strings.data [k].offset) ; break ; case SF_STR_COPYRIGHT : psf_binheader_writef (psf, "EmS", c_MARKER, psf->strings.storage + psf->strings.data [k].offset) ; break ; case SF_STR_ARTIST : psf_binheader_writef (psf, "EmS", AUTH_MARKER, psf->strings.storage + psf->strings.data [k].offset) ; break ; case SF_STR_COMMENT : psf_binheader_writef (psf, "EmS", ANNO_MARKER, psf->strings.storage + psf->strings.data [k].offset) ; break ; /* case SF_STR_DATE : psf_binheader_writef (psf, "Ems", ICRD_MARKER, psf->strings.data [k].str) ; break ; */ } ; } ; return ; } /* aiff_write_strings */ static int aiff_command (SF_PRIVATE * psf, int command, void * UNUSED (data), int UNUSED (datasize)) { AIFF_PRIVATE *paiff ; if ((paiff = psf->container_data) == NULL) return SFE_INTERNAL ; switch (command) { case SFC_SET_CHANNEL_MAP_INFO : paiff->chanmap_tag = aiff_caf_find_channel_layout_tag (psf->channel_map, psf->sf.channels) ; return (paiff->chanmap_tag != 0) ; default : break ; } ; return 0 ; } /* aiff_command */ static const char* get_loop_mode_str (int16_t mode) { switch (mode) { case 0 : return "none" ; case 1 : return "forward" ; case 2 : return "backward" ; } ; return "*** unknown" ; } /* get_loop_mode_str */ static int16_t get_loop_mode (int16_t mode) { switch (mode) { case 0 : return SF_LOOP_NONE ; case 1 : return SF_LOOP_FORWARD ; case 2 : return SF_LOOP_BACKWARD ; } ; return SF_LOOP_NONE ; } /* get_loop_mode */ /*========================================================================================== ** Rough hack at converting from 80 bit IEEE float in AIFF header to an int and ** back again. It assumes that all sample rates are between 1 and 800MHz, which ** should be OK as other sound file formats use a 32 bit integer to store sample ** rate. ** There is another (probably better) version in the source code to the SoX but it ** has a copyright which probably prevents it from being allowable as GPL/LGPL. */ static int tenbytefloat2int (uint8_t *bytes) { int val = 3 ; if (bytes [0] & 0x80) /* Negative number. */ return 0 ; if (bytes [0] <= 0x3F) /* Less than 1. */ return 1 ; if (bytes [0] > 0x40) /* Way too big. */ return 0x4000000 ; if (bytes [0] == 0x40 && bytes [1] > 0x1C) /* Too big. */ return 800000000 ; /* Ok, can handle it. */ val = (bytes [2] << 23) | (bytes [3] << 15) | (bytes [4] << 7) | (bytes [5] >> 1) ; val >>= (29 - bytes [1]) ; return val ; } /* tenbytefloat2int */ static void uint2tenbytefloat (uint32_t num, uint8_t *bytes) { uint32_t mask = 0x40000000 ; int count ; if (num <= 1) { bytes [0] = 0x3F ; bytes [1] = 0xFF ; bytes [2] = 0x80 ; return ; } ; bytes [0] = 0x40 ; if (num >= mask) { bytes [1] = 0x1D ; return ; } ; for (count = 0 ; count < 32 ; count ++) { if (num & mask) break ; mask >>= 1 ; } ; num = count < 31 ? num << (count + 1) : 0 ; bytes [1] = 29 - count ; bytes [2] = (num >> 24) & 0xFF ; bytes [3] = (num >> 16) & 0xFF ; bytes [4] = (num >> 8) & 0xFF ; bytes [5] = num & 0xFF ; } /* uint2tenbytefloat */ static int aiff_read_basc_chunk (SF_PRIVATE * psf, int datasize) { const char * type_str ; basc_CHUNK bc ; int count ; count = psf_binheader_readf (psf, "E442", &bc.version, &bc.numBeats, &bc.rootNote) ; count += psf_binheader_readf (psf, "E222", &bc.scaleType, &bc.sigNumerator, &bc.sigDenominator) ; count += psf_binheader_readf (psf, "E2j", &bc.loopType, datasize - sizeof (bc)) ; psf_log_printf (psf, " Version ? : %u\n Num Beats : %u\n Root Note : 0x%x\n", bc.version, bc.numBeats, bc.rootNote) ; switch (bc.scaleType) { case basc_SCALE_MINOR : type_str = "MINOR" ; break ; case basc_SCALE_MAJOR : type_str = "MAJOR" ; break ; case basc_SCALE_NEITHER : type_str = "NEITHER" ; break ; case basc_SCALE_BOTH : type_str = "BOTH" ; break ; default : type_str = "!!WRONG!!" ; break ; } ; psf_log_printf (psf, " ScaleType : 0x%x (%s)\n", bc.scaleType, type_str) ; psf_log_printf (psf, " Time Sig : %d/%d\n", bc.sigNumerator, bc.sigDenominator) ; switch (bc.loopType) { case basc_TYPE_ONE_SHOT : type_str = "One Shot" ; break ; case basc_TYPE_LOOP : type_str = "Loop" ; break ; default: type_str = "!!WRONG!!" ; break ; } ; psf_log_printf (psf, " Loop Type : 0x%x (%s)\n", bc.loopType, type_str) ; if ((psf->loop_info = calloc (1, sizeof (SF_LOOP_INFO))) == NULL) return SFE_MALLOC_FAILED ; psf->loop_info->time_sig_num = bc.sigNumerator ; psf->loop_info->time_sig_den = bc.sigDenominator ; psf->loop_info->loop_mode = (bc.loopType == basc_TYPE_ONE_SHOT) ? SF_LOOP_NONE : SF_LOOP_FORWARD ; psf->loop_info->num_beats = bc.numBeats ; /* Can always be recalculated from other known fields. */ psf->loop_info->bpm = (1.0 / psf->sf.frames) * psf->sf.samplerate * ((bc.numBeats * 4.0) / bc.sigDenominator) * 60.0 ; psf->loop_info->root_key = bc.rootNote ; if (count < datasize) psf_binheader_readf (psf, "j", datasize - count) ; return 0 ; } /* aiff_read_basc_chunk */ static int aiff_read_chanmap (SF_PRIVATE * psf, unsigned dword) { const AIFF_CAF_CHANNEL_MAP * map_info ; unsigned channel_bitmap, channel_decriptions, bytesread ; int layout_tag ; bytesread = psf_binheader_readf (psf, "444", &layout_tag, &channel_bitmap, &channel_decriptions) ; if ((map_info = aiff_caf_of_channel_layout_tag (layout_tag)) == NULL) return 0 ; psf_log_printf (psf, " Tag : %x\n", layout_tag) ; if (map_info) psf_log_printf (psf, " Layout : %s\n", map_info->name) ; if (bytesread < dword) psf_binheader_readf (psf, "j", dword - bytesread) ; if (map_info->channel_map != NULL) { size_t chanmap_size = SF_MIN (psf->sf.channels, layout_tag & 0xffff) * 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 */