| /* |
| ** Copyright (C) 1999-2011 Erik de Castro Lopo <erikd@mega-nerd.com> |
| ** Copyright (C) 2005 David Viens <davidv@plogue.com> |
| ** |
| ** This program is free software; you can redistribute it and/or modify |
| ** it under the terms of the GNU Lesser General Public License as published by |
| ** the Free Software Foundation; either version 2.1 of the License, or |
| ** (at your option) any later version. |
| ** |
| ** This program is distributed in the hope that it will be useful, |
| ** but WITHOUT ANY WARRANTY; without even the implied warranty of |
| ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| ** GNU Lesser General Public License for more details. |
| ** |
| ** You should have received a copy of the GNU Lesser General Public License |
| ** along with this program; if not, write to the Free Software |
| ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| */ |
| |
| #include "sfconfig.h" |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <time.h> |
| #include <ctype.h> |
| #include <inttypes.h> |
| |
| #include "sndfile.h" |
| #include "sfendian.h" |
| #include "common.h" |
| #include "chanmap.h" |
| |
| /*------------------------------------------------------------------------------ |
| * Macros to handle big/little endian issues. |
| */ |
| |
| #define FORM_MARKER (MAKE_MARKER ('F', 'O', 'R', 'M')) |
| #define AIFF_MARKER (MAKE_MARKER ('A', 'I', 'F', 'F')) |
| #define AIFC_MARKER (MAKE_MARKER ('A', 'I', 'F', 'C')) |
| #define COMM_MARKER (MAKE_MARKER ('C', 'O', 'M', 'M')) |
| #define SSND_MARKER (MAKE_MARKER ('S', 'S', 'N', 'D')) |
| #define MARK_MARKER (MAKE_MARKER ('M', 'A', 'R', 'K')) |
| #define INST_MARKER (MAKE_MARKER ('I', 'N', 'S', 'T')) |
| #define APPL_MARKER (MAKE_MARKER ('A', 'P', 'P', 'L')) |
| #define CHAN_MARKER (MAKE_MARKER ('C', 'H', 'A', 'N')) |
| |
| #define c_MARKER (MAKE_MARKER ('(', 'c', ')', ' ')) |
| #define NAME_MARKER (MAKE_MARKER ('N', 'A', 'M', 'E')) |
| #define AUTH_MARKER (MAKE_MARKER ('A', 'U', 'T', 'H')) |
| #define ANNO_MARKER (MAKE_MARKER ('A', 'N', 'N', 'O')) |
| #define COMT_MARKER (MAKE_MARKER ('C', 'O', 'M', 'T')) |
| #define FVER_MARKER (MAKE_MARKER ('F', 'V', 'E', 'R')) |
| #define SFX_MARKER (MAKE_MARKER ('S', 'F', 'X', '!')) |
| |
| #define PEAK_MARKER (MAKE_MARKER ('P', 'E', 'A', 'K')) |
| #define basc_MARKER (MAKE_MARKER ('b', 'a', 's', 'c')) |
| |
| /* Supported AIFC encodings.*/ |
| #define NONE_MARKER (MAKE_MARKER ('N', 'O', 'N', 'E')) |
| #define sowt_MARKER (MAKE_MARKER ('s', 'o', 'w', 't')) |
| #define twos_MARKER (MAKE_MARKER ('t', 'w', 'o', 's')) |
| #define raw_MARKER (MAKE_MARKER ('r', 'a', 'w', ' ')) |
| #define in24_MARKER (MAKE_MARKER ('i', 'n', '2', '4')) |
| #define ni24_MARKER (MAKE_MARKER ('4', '2', 'n', '1')) |
| #define in32_MARKER (MAKE_MARKER ('i', 'n', '3', '2')) |
| #define ni32_MARKER (MAKE_MARKER ('2', '3', 'n', 'i')) |
| |
| #define fl32_MARKER (MAKE_MARKER ('f', 'l', '3', '2')) |
| #define FL32_MARKER (MAKE_MARKER ('F', 'L', '3', '2')) |
| #define fl64_MARKER (MAKE_MARKER ('f', 'l', '6', '4')) |
| #define FL64_MARKER (MAKE_MARKER ('F', 'L', '6', '4')) |
| |
| #define ulaw_MARKER (MAKE_MARKER ('u', 'l', 'a', 'w')) |
| #define ULAW_MARKER (MAKE_MARKER ('U', 'L', 'A', 'W')) |
| #define alaw_MARKER (MAKE_MARKER ('a', 'l', 'a', 'w')) |
| #define ALAW_MARKER (MAKE_MARKER ('A', 'L', 'A', 'W')) |
| |
| #define DWVW_MARKER (MAKE_MARKER ('D', 'W', 'V', 'W')) |
| #define GSM_MARKER (MAKE_MARKER ('G', 'S', 'M', ' ')) |
| #define ima4_MARKER (MAKE_MARKER ('i', 'm', 'a', '4')) |
| |
| /* |
| ** This value is officially assigned to Mega Nerd Pty Ltd by Apple |
| ** Corportation as the Application marker for libsndfile. |
| ** |
| ** See : http://developer.apple.com/faq/datatype.html |
| */ |
| #define m3ga_MARKER (MAKE_MARKER ('m', '3', 'g', 'a')) |
| |
| /* Unsupported AIFC encodings.*/ |
| |
| #define MAC3_MARKER (MAKE_MARKER ('M', 'A', 'C', '3')) |
| #define MAC6_MARKER (MAKE_MARKER ('M', 'A', 'C', '6')) |
| #define ADP4_MARKER (MAKE_MARKER ('A', 'D', 'P', '4')) |
| |
| /* Predfined chunk sizes. */ |
| #define SIZEOF_AIFF_COMM 18 |
| #define SIZEOF_AIFC_COMM_MIN 22 |
| #define SIZEOF_AIFC_COMM 24 |
| #define SIZEOF_SSND_CHUNK 8 |
| #define SIZEOF_INST_CHUNK 20 |
| |
| /* Is it constant? */ |
| |
| /* AIFC/IMA4 defines. */ |
| #define AIFC_IMA4_BLOCK_LEN 34 |
| #define AIFC_IMA4_SAMPLES_PER_BLOCK 64 |
| |
| #define AIFF_PEAK_CHUNK_SIZE(ch) (2 * sizeof (int) + ch * (sizeof (float) + sizeof (int))) |
| |
| /*------------------------------------------------------------------------------ |
| * Typedefs for file chunks. |
| */ |
| |
| enum |
| { HAVE_FORM = 0x01, |
| HAVE_AIFF = 0x02, |
| HAVE_AIFC = 0x04, |
| HAVE_FVER = 0x08, |
| HAVE_COMM = 0x10, |
| HAVE_SSND = 0x20 |
| } ; |
| |
| typedef struct |
| { unsigned int size ; |
| short numChannels ; |
| unsigned int numSampleFrames ; |
| short sampleSize ; |
| unsigned char sampleRate [10] ; |
| unsigned int encoding ; |
| char zero_bytes [2] ; |
| } COMM_CHUNK ; |
| |
| typedef struct |
| { unsigned int offset ; |
| unsigned int blocksize ; |
| } SSND_CHUNK ; |
| |
| typedef struct |
| { short playMode ; |
| unsigned short beginLoop ; |
| unsigned short endLoop ; |
| } INST_LOOP ; |
| |
| typedef struct |
| { char baseNote ; /* all notes are MIDI note numbers */ |
| char detune ; /* cents off, only -50 to +50 are significant */ |
| char lowNote ; |
| char highNote ; |
| char lowVelocity ; /* 1 to 127 */ |
| char highVelocity ; /* 1 to 127 */ |
| short gain ; /* in dB, 0 is normal */ |
| INST_LOOP sustain_loop ; |
| INST_LOOP release_loop ; |
| } INST_CHUNK ; |
| |
| |
| enum |
| { basc_SCALE_MINOR = 1, |
| basc_SCALE_MAJOR, |
| basc_SCALE_NEITHER, |
| basc_SCALE_BOTH |
| } ; |
| |
| enum |
| { basc_TYPE_LOOP = 0, |
| basc_TYPE_ONE_SHOT |
| } ; |
| |
| |
| typedef struct |
| { unsigned int version ; |
| unsigned int numBeats ; |
| unsigned short rootNote ; |
| unsigned short scaleType ; |
| unsigned short sigNumerator ; |
| unsigned short sigDenominator ; |
| unsigned short loopType ; |
| } basc_CHUNK ; |
| |
| typedef struct |
| { unsigned short markerID ; |
| unsigned int position ; |
| } MARK_ID_POS ; |
| |
| typedef struct |
| { PRIV_CHUNK4 chunk4 ; |
| |
| sf_count_t comm_offset ; |
| sf_count_t ssnd_offset ; |
| |
| int chanmap_tag ; |
| |
| MARK_ID_POS *markstr ; |
| } AIFF_PRIVATE ; |
| |
| /*------------------------------------------------------------------------------ |
| * Private static functions. |
| */ |
| |
| static int aiff_close (SF_PRIVATE *psf) ; |
| |
| static int tenbytefloat2int (unsigned char *bytes) ; |
| static void uint2tenbytefloat (unsigned int num, unsigned char *bytes) ; |
| |
| static int aiff_read_comm_chunk (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) ; |
| |
| static int aiff_read_header (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) ; |
| |
| static int aiff_write_header (SF_PRIVATE *psf, int calc_length) ; |
| static int aiff_write_tailer (SF_PRIVATE *psf) ; |
| static void aiff_write_strings (SF_PRIVATE *psf, int location) ; |
| |
| static int aiff_command (SF_PRIVATE *psf, int command, void *data, int datasize) ; |
| |
| static const char *get_loop_mode_str (short mode) ; |
| |
| static short get_loop_mode (short mode) ; |
| |
| static int aiff_read_basc_chunk (SF_PRIVATE * psf, int) ; |
| |
| static int aiff_read_chanmap (SF_PRIVATE * psf, unsigned dword) ; |
| |
| static unsigned int marker_to_position (const MARK_ID_POS *m, unsigned short n, int marksize) ; |
| |
| /*------------------------------------------------------------------------------ |
| ** Public function. |
| */ |
| |
| int |
| aiff_open (SF_PRIVATE *psf) |
| { COMM_CHUNK comm_fmt ; |
| int error, subformat ; |
| |
| memset (&comm_fmt, 0, sizeof (comm_fmt)) ; |
| |
| subformat = SF_CODEC (psf->sf.format) ; |
| |
| if ((psf->container_data = calloc (1, sizeof (AIFF_PRIVATE))) == NULL) |
| return SFE_MALLOC_FAILED ; |
| |
| if (psf->file.mode == SFM_READ || (psf->file.mode == SFM_RDWR && psf->filelength > 0)) |
| { if ((error = aiff_read_header (psf, &comm_fmt))) |
| return error ; |
| psf_fseek (psf, psf->dataoffset, SEEK_SET) ; |
| } ; |
| |
| if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR) |
| { if (psf->is_pipe) |
| return SFE_NO_PIPE_WRITE ; |
| |
| if ((SF_CONTAINER (psf->sf.format)) != SF_FORMAT_AIFF) |
| return SFE_BAD_OPEN_FORMAT ; |
| |
| if (psf->file.mode == SFM_WRITE && (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)) |
| { if ((psf->peak_info = peak_info_calloc (psf->sf.channels)) == NULL) |
| return SFE_MALLOC_FAILED ; |
| psf->peak_info->peak_loc = SF_PEAK_START ; |
| } ; |
| |
| if (psf->file.mode != SFM_RDWR || psf->filelength < 40) |
| { psf->filelength = 0 ; |
| psf->datalength = 0 ; |
| psf->dataoffset = 0 ; |
| psf->sf.frames = 0 ; |
| } ; |
| |
| psf->str_flags = SF_STR_ALLOW_START | SF_STR_ALLOW_END ; |
| |
| if ((error = aiff_write_header (psf, SF_FALSE))) |
| return error ; |
| |
| psf->write_header = aiff_write_header ; |
| } ; |
| |
| psf->container_close = aiff_close ; |
| psf->command = aiff_command ; |
| |
| switch (SF_CODEC (psf->sf.format)) |
| { case SF_FORMAT_PCM_U8 : |
| error = pcm_init (psf) ; |
| break ; |
| |
| case SF_FORMAT_PCM_S8 : |
| error = pcm_init (psf) ; |
| break ; |
| |
| case SF_FORMAT_PCM_16 : |
| case SF_FORMAT_PCM_24 : |
| case SF_FORMAT_PCM_32 : |
| error = pcm_init (psf) ; |
| break ; |
| |
| case SF_FORMAT_ULAW : |
| error = ulaw_init (psf) ; |
| break ; |
| |
| case SF_FORMAT_ALAW : |
| error = alaw_init (psf) ; |
| break ; |
| |
| /* Lite remove start */ |
| case SF_FORMAT_FLOAT : |
| error = float32_init (psf) ; |
| break ; |
| |
| case SF_FORMAT_DOUBLE : |
| error = double64_init (psf) ; |
| break ; |
| |
| case SF_FORMAT_DWVW_12 : |
| error = dwvw_init (psf, 12) ; |
| break ; |
| |
| case SF_FORMAT_DWVW_16 : |
| error = dwvw_init (psf, 16) ; |
| break ; |
| |
| case SF_FORMAT_DWVW_24 : |
| error = dwvw_init (psf, 24) ; |
| break ; |
| |
| case SF_FORMAT_DWVW_N : |
| if (psf->file.mode != SFM_READ) |
| { error = SFE_DWVW_BAD_BITWIDTH ; |
| break ; |
| } ; |
| if (comm_fmt.sampleSize >= 8 && comm_fmt.sampleSize < 24) |
| { error = dwvw_init (psf, comm_fmt.sampleSize) ; |
| psf->sf.frames = comm_fmt.numSampleFrames ; |
| break ; |
| } ; |
| psf_log_printf (psf, "AIFC/DWVW : Bad bitwidth %d\n", comm_fmt.sampleSize) ; |
| error = SFE_DWVW_BAD_BITWIDTH ; |
| break ; |
| |
| case SF_FORMAT_IMA_ADPCM : |
| /* |
| ** IMA ADPCM encoded AIFF files always have a block length |
| ** of 34 which decodes to 64 samples. |
| */ |
| error = aiff_ima_init (psf, AIFC_IMA4_BLOCK_LEN, AIFC_IMA4_SAMPLES_PER_BLOCK) ; |
| break ; |
| /* Lite remove end */ |
| |
| case SF_FORMAT_GSM610 : |
| error = gsm610_init (psf) ; |
| break ; |
| |
| default : return SFE_UNIMPLEMENTED ; |
| } ; |
| |
| |
| return error ; |
| } /* aiff_open */ |
| |
| /*========================================================================================== |
| ** Private functions. |
| */ |
| |
| /* This function ought to check size */ |
| static unsigned int |
| marker_to_position (const MARK_ID_POS *m, unsigned short n, int marksize) |
| { int i ; |
| |
| for (i = 0 ; i < marksize ; i++) |
| if (m [i].markerID == n) |
| return m [i].position ; |
| return 0 ; |
| } /* marker_to_position */ |
| |
| static int |
| aiff_read_header (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) |
| { SSND_CHUNK ssnd_fmt ; |
| AIFF_PRIVATE *paiff ; |
| unsigned marker, dword, FORMsize, SSNDsize, bytesread ; |
| int k, found_chunk = 0, done = 0, error = 0 ; |
| char *cptr ; |
| int instr_found = 0, mark_found = 0, mark_count = 0 ; |
| |
| if (psf->filelength > SF_PLATFORM_S64 (0xffffffff)) |
| psf_log_printf (psf, "Warning : filelength > 0xffffffff. This is bad!!!!\n") ; |
| |
| if ((paiff = psf->container_data) == NULL) |
| return SFE_INTERNAL ; |
| |
| paiff->comm_offset = 0 ; |
| paiff->ssnd_offset = 0 ; |
| |
| /* Set position to start of file to begin reading header. */ |
| psf_binheader_readf (psf, "p", 0) ; |
| |
| memset (comm_fmt, 0, sizeof (COMM_CHUNK)) ; |
| |
| /* Until recently AIF* file were all BIG endian. */ |
| psf->endian = SF_ENDIAN_BIG ; |
| |
| /* AIFF files can apparently have their chunks in any order. However, they |
| ** must have a FORM chunk. Approach here is to read all the chunks one by |
| ** one and then check for the mandatory chunks at the end. |
| */ |
| while (! done) |
| { psf_binheader_readf (psf, "m", &marker) ; |
| |
| if (psf->file.mode == SFM_RDWR && (found_chunk & HAVE_SSND)) |
| return SFE_AIFF_RW_SSND_NOT_LAST ; |
| |
| switch (marker) |
| { case FORM_MARKER : |
| if (found_chunk) |
| return SFE_AIFF_NO_FORM ; |
| |
| psf_binheader_readf (psf, "E4", &FORMsize) ; |
| pchk4_store (&paiff->chunk4, marker, psf->headindex - 8, FORMsize) ; |
| |
| if (psf->fileoffset > 0 && psf->filelength > FORMsize + 8) |
| { /* Set file length. */ |
| psf->filelength = FORMsize + 8 ; |
| psf_log_printf (psf, "FORM : %u\n", FORMsize) ; |
| } |
| else if (FORMsize != psf->filelength - 2 * SIGNED_SIZEOF (dword)) |
| { dword = psf->filelength - 2 * sizeof (dword) ; |
| psf_log_printf (psf, "FORM : %u (should be %u)\n", FORMsize, dword) ; |
| FORMsize = dword ; |
| } |
| else |
| psf_log_printf (psf, "FORM : %u\n", FORMsize) ; |
| found_chunk |= HAVE_FORM ; |
| break ; |
| |
| case AIFC_MARKER : |
| case AIFF_MARKER : |
| if ((found_chunk & HAVE_FORM) == 0) |
| return SFE_AIFF_AIFF_NO_FORM ; |
| psf_log_printf (psf, " %M\n", marker) ; |
| found_chunk |= (marker == AIFC_MARKER) ? (HAVE_AIFC | HAVE_AIFF) : HAVE_AIFF ; |
| break ; |
| |
| case COMM_MARKER : |
| paiff->comm_offset = psf_ftell (psf) - 4 ; |
| error = aiff_read_comm_chunk (psf, comm_fmt) ; |
| pchk4_store (&paiff->chunk4, marker, paiff->comm_offset, comm_fmt->size) ; |
| |
| |
| psf->sf.samplerate = tenbytefloat2int (comm_fmt->sampleRate) ; |
| psf->sf.frames = comm_fmt->numSampleFrames ; |
| psf->sf.channels = comm_fmt->numChannels ; |
| psf->bytewidth = BITWIDTH2BYTES (comm_fmt->sampleSize) ; |
| |
| if (error) |
| return error ; |
| |
| found_chunk |= HAVE_COMM ; |
| break ; |
| |
| case PEAK_MARKER : |
| /* Must have COMM chunk before PEAK chunk. */ |
| if ((found_chunk & (HAVE_FORM | HAVE_AIFF | HAVE_COMM)) != (HAVE_FORM | HAVE_AIFF | HAVE_COMM)) |
| return SFE_AIFF_PEAK_B4_COMM ; |
| |
| psf_binheader_readf (psf, "E4", &dword) ; |
| pchk4_store (&paiff->chunk4, marker, psf->headindex - 8, dword) ; |
| |
| psf_log_printf (psf, "%M : %d\n", marker, dword) ; |
| if (dword != AIFF_PEAK_CHUNK_SIZE (psf->sf.channels)) |
| { psf_binheader_readf (psf, "j", dword) ; |
| psf_log_printf (psf, "*** File PEAK chunk too big.\n") ; |
| return SFE_WAV_BAD_PEAK ; |
| } ; |
| |
| if ((psf->peak_info = peak_info_calloc (psf->sf.channels)) == NULL) |
| return SFE_MALLOC_FAILED ; |
| |
| /* read in rest of PEAK chunk. */ |
| psf_binheader_readf (psf, "E44", &(psf->peak_info->version), &(psf->peak_info->timestamp)) ; |
| |
| if (psf->peak_info->version != 1) |
| psf_log_printf (psf, " version : %d *** (should be version 1)\n", psf->peak_info->version) ; |
| else |
| psf_log_printf (psf, " version : %d\n", psf->peak_info->version) ; |
| |
| psf_log_printf (psf, " time stamp : %d\n", psf->peak_info->timestamp) ; |
| psf_log_printf (psf, " Ch Position Value\n") ; |
| |
| cptr = psf->u.cbuf ; |
| for (dword = 0 ; dword < (unsigned) psf->sf.channels ; dword++) |
| { float value ; |
| unsigned int position ; |
| |
| psf_binheader_readf (psf, "Ef4", &value, &position) ; |
| psf->peak_info->peaks [dword].value = value ; |
| psf->peak_info->peaks [dword].position = position ; |
| |
| snprintf (cptr, sizeof (psf->u.scbuf), " %2d %-12" PRId64 " %g\n", |
| dword, psf->peak_info->peaks [dword].position, psf->peak_info->peaks [dword].value) ; |
| cptr [sizeof (psf->u.scbuf) - 1] = 0 ; |
| psf_log_printf (psf, "%s", cptr) ; |
| } ; |
| |
| psf->peak_info->peak_loc = ((found_chunk & HAVE_SSND) == 0) ? SF_PEAK_START : SF_PEAK_END ; |
| break ; |
| |
| case SSND_MARKER : |
| if ((found_chunk & HAVE_AIFC) && (found_chunk & HAVE_FVER) == 0) |
| psf_log_printf (psf, "*** Valid AIFC files should have an FVER chunk.\n") ; |
| |
| paiff->ssnd_offset = psf_ftell (psf) - 4 ; |
| psf_binheader_readf (psf, "E444", &SSNDsize, &(ssnd_fmt.offset), &(ssnd_fmt.blocksize)) ; |
| pchk4_store (&paiff->chunk4, marker, paiff->ssnd_offset, SSNDsize) ; |
| |
| psf->datalength = SSNDsize - sizeof (ssnd_fmt) ; |
| psf->dataoffset = psf_ftell (psf) ; |
| |
| if (psf->datalength > psf->filelength - psf->dataoffset || psf->datalength < 0) |
| { psf_log_printf (psf, " SSND : %u (should be %D)\n", SSNDsize, psf->filelength - psf->dataoffset + sizeof (SSND_CHUNK)) ; |
| psf->datalength = psf->filelength - psf->dataoffset ; |
| } |
| else |
| psf_log_printf (psf, " SSND : %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 + (SSNDsize & 1), SEEK_SET) ; |
| break ; |
| |
| case c_MARKER : |
| psf_binheader_readf (psf, "E4", &dword) ; |
| pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ; |
| if (dword == 0) |
| break ; |
| if (dword >= SIGNED_SIZEOF (psf->u.scbuf)) |
| { psf_log_printf (psf, " %M : %d (too big)\n", marker, dword) ; |
| return SFE_INTERNAL ; |
| } ; |
| |
| cptr = psf->u.cbuf ; |
| psf_binheader_readf (psf, "b", cptr, dword + (dword & 1)) ; |
| cptr [dword] = 0 ; |
| |
| psf_sanitize_string (cptr, dword) ; |
| |
| psf_log_printf (psf, " %M : %s\n", marker, cptr) ; |
| psf_store_string (psf, SF_STR_COPYRIGHT, cptr) ; |
| break ; |
| |
| case AUTH_MARKER : |
| psf_binheader_readf (psf, "E4", &dword) ; |
| pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ; |
| if (dword == 0) |
| break ; |
| if (dword >= SIGNED_SIZEOF (psf->u.scbuf) - 1) |
| { psf_log_printf (psf, " %M : %d (too big)\n", marker, dword) ; |
| return SFE_INTERNAL ; |
| } ; |
| |
| cptr = psf->u.cbuf ; |
| psf_binheader_readf (psf, "b", cptr, dword + (dword & 1)) ; |
| cptr [dword] = 0 ; |
| psf_log_printf (psf, " %M : %s\n", marker, cptr) ; |
| psf_store_string (psf, SF_STR_ARTIST, cptr) ; |
| break ; |
| |
| case COMT_MARKER : |
| { unsigned short count, id, len ; |
| unsigned int timestamp ; |
| |
| psf_binheader_readf (psf, "E42", &dword, &count) ; |
| pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ; |
| psf_log_printf (psf, " %M : %d\n count : %d\n", marker, dword, count) ; |
| dword += (dword & 1) ; |
| if (dword == 0) |
| break ; |
| dword -= 2 ; |
| |
| for (k = 0 ; k < count ; k++) |
| { dword -= psf_binheader_readf (psf, "E422", ×tamp, &id, &len) ; |
| psf_log_printf (psf, " time : 0x%x\n marker : %x\n length : %d\n", timestamp, id, len) ; |
| |
| if (len + 1 > SIGNED_SIZEOF (psf->u.scbuf)) |
| { psf_log_printf (psf, "\nError : string length (%d) too big.\n", len) ; |
| return SFE_INTERNAL ; |
| } ; |
| |
| cptr = psf->u.cbuf ; |
| dword -= psf_binheader_readf (psf, "b", cptr, len) ; |
| cptr [len] = 0 ; |
| psf_log_printf (psf, " string : %s\n", cptr) ; |
| } ; |
| |
| if (dword > 0) |
| psf_binheader_readf (psf, "j", dword) ; |
| } ; |
| break ; |
| |
| case APPL_MARKER : |
| { unsigned appl_marker ; |
| |
| psf_binheader_readf (psf, "E4", &dword) ; |
| pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ; |
| if (dword == 0) |
| break ; |
| if (dword >= SIGNED_SIZEOF (psf->u.scbuf) - 1) |
| { psf_log_printf (psf, " %M : %d (too big, skipping)\n", marker, dword) ; |
| psf_binheader_readf (psf, "j", dword + (dword & 1)) ; |
| break ; |
| } ; |
| |
| if (dword < 4) |
| { psf_log_printf (psf, " %M : %d (too small, skipping)\n", marker, dword) ; |
| psf_binheader_readf (psf, "j", dword + (dword & 1)) ; |
| break ; |
| } ; |
| |
| cptr = psf->u.cbuf ; |
| psf_binheader_readf (psf, "mb", &appl_marker, cptr, dword + (dword & 1) - 4) ; |
| cptr [dword] = 0 ; |
| |
| for (k = 0 ; k < (int) dword ; k++) |
| if (! psf_isprint (cptr [k])) |
| { cptr [k] = 0 ; |
| break ; |
| } ; |
| |
| psf_log_printf (psf, " %M : %d\n AppSig : %M\n Name : %s\n", marker, dword, appl_marker, cptr) ; |
| psf_store_string (psf, SF_STR_SOFTWARE, cptr) ; |
| } ; |
| break ; |
| |
| case NAME_MARKER : |
| psf_binheader_readf (psf, "E4", &dword) ; |
| pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ; |
| if (dword == 0) |
| break ; |
| if (dword >= SIGNED_SIZEOF (psf->u.scbuf) - 2) |
| { psf_log_printf (psf, " %M : %d (too big)\n", marker, dword) ; |
| return SFE_INTERNAL ; |
| } ; |
| |
| cptr = psf->u.cbuf ; |
| psf_binheader_readf (psf, "b", cptr, dword + (dword & 1)) ; |
| cptr [dword] = 0 ; |
| psf_log_printf (psf, " %M : %s\n", marker, cptr) ; |
| psf_store_string (psf, SF_STR_TITLE, cptr) ; |
| break ; |
| |
| case ANNO_MARKER : |
| psf_binheader_readf (psf, "E4", &dword) ; |
| pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ; |
| if (dword == 0) |
| break ; |
| if (dword >= SIGNED_SIZEOF (psf->u.scbuf) - 2) |
| { psf_log_printf (psf, " %M : %d (too big)\n", marker, dword) ; |
| return SFE_INTERNAL ; |
| } ; |
| |
| cptr = psf->u.cbuf ; |
| psf_binheader_readf (psf, "b", cptr, dword + (dword & 1)) ; |
| cptr [dword] = 0 ; |
| psf_log_printf (psf, " %M : %s\n", marker, cptr) ; |
| psf_store_string (psf, SF_STR_COMMENT, cptr) ; |
| break ; |
| |
| case INST_MARKER : |
| psf_binheader_readf (psf, "E4", &dword) ; |
| pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ; |
| if (dword != SIZEOF_INST_CHUNK) |
| { psf_log_printf (psf, " %M : %d (should be %d)\n", marker, dword, SIZEOF_INST_CHUNK) ; |
| psf_binheader_readf (psf, "j", dword) ; |
| break ; |
| } ; |
| psf_log_printf (psf, " %M : %d\n", marker, dword) ; |
| { unsigned char bytes [6] ; |
| short gain ; |
| |
| if (psf->instrument == NULL && (psf->instrument = psf_instrument_alloc ()) == NULL) |
| return SFE_MALLOC_FAILED ; |
| |
| psf_binheader_readf (psf, "b", bytes, 6) ; |
| psf_log_printf (psf, " Base Note : %u\n Detune : %u\n" |
| " Low Note : %u\n High Note : %u\n" |
| " Low Vel. : %u\n High Vel. : %u\n", |
| bytes [0], bytes [1], bytes [2], bytes [3], bytes [4], bytes [5]) ; |
| psf->instrument->basenote = bytes [0] ; |
| psf->instrument->detune = bytes [1] ; |
| psf->instrument->key_lo = bytes [2] ; |
| psf->instrument->key_hi = bytes [3] ; |
| psf->instrument->velocity_lo = bytes [4] ; |
| psf->instrument->velocity_hi = bytes [5] ; |
| psf_binheader_readf (psf, "E2", &gain) ; |
| psf->instrument->gain = gain ; |
| psf_log_printf (psf, " Gain (dB) : %d\n", gain) ; |
| } ; |
| { short mode ; /* 0 - no loop, 1 - forward looping, 2 - backward looping */ |
| const char *loop_mode ; |
| unsigned short begin, end ; |
| |
| psf_binheader_readf (psf, "E222", &mode, &begin, &end) ; |
| loop_mode = get_loop_mode_str (mode) ; |
| mode = get_loop_mode (mode) ; |
| if (mode == SF_LOOP_NONE) |
| { psf->instrument->loop_count = 0 ; |
| psf->instrument->loops [0].mode = SF_LOOP_NONE ; |
| } |
| else |
| { psf->instrument->loop_count = 1 ; |
| psf->instrument->loops [0].mode = SF_LOOP_FORWARD ; |
| psf->instrument->loops [0].start = begin ; |
| psf->instrument->loops [0].end = end ; |
| psf->instrument->loops [0].count = 0 ; |
| } ; |
| psf_log_printf (psf, " Sustain\n mode : %d => %s\n begin : %u\n end : %u\n", |
| mode, loop_mode, begin, end) ; |
| psf_binheader_readf (psf, "E222", &mode, &begin, &end) ; |
| loop_mode = get_loop_mode_str (mode) ; |
| mode = get_loop_mode (mode) ; |
| if (mode == SF_LOOP_NONE) |
| psf->instrument->loops [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_binheader_readf (psf, "E4", &dword) ; |
| pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ; |
| psf_log_printf (psf, " basc : %u\n", dword) ; |
| |
| if ((error = aiff_read_basc_chunk (psf, dword))) |
| return error ; |
| break ; |
| |
| case MARK_MARKER : |
| psf_binheader_readf (psf, "E4", &dword) ; |
| pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ; |
| psf_log_printf (psf, " %M : %d\n", marker, dword) ; |
| { unsigned short mark_id, n = 0 ; |
| unsigned int position ; |
| |
| bytesread = psf_binheader_readf (psf, "E2", &n) ; |
| mark_count = n ; |
| psf_log_printf (psf, " Count : %d\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 ; |
| |
| for (n = 0 ; n < mark_count && bytesread < dword ; n++) |
| { unsigned int pstr_len ; |
| unsigned char ch ; |
| |
| bytesread += psf_binheader_readf (psf, "E241", &mark_id, &position, &ch) ; |
| psf_log_printf (psf, " Mark ID : %u\n Position : %u\n", mark_id, position) ; |
| |
| pstr_len = (ch & 1) ? ch : ch + 1 ; |
| |
| if (pstr_len < sizeof (psf->u.scbuf) - 1) |
| { bytesread += psf_binheader_readf (psf, "b", psf->u.scbuf, pstr_len) ; |
| psf->u.scbuf [pstr_len] = 0 ; |
| } |
| else |
| { unsigned int read_len = pstr_len - (sizeof (psf->u.scbuf) - 1) ; |
| bytesread += psf_binheader_readf (psf, "bj", psf->u.scbuf, read_len, pstr_len - read_len) ; |
| psf->u.scbuf [sizeof (psf->u.scbuf) - 1] = 0 ; |
| } |
| |
| psf_log_printf (psf, " Name : %s\n", psf->u.scbuf) ; |
| |
| paiff->markstr [n].markerID = mark_id ; |
| paiff->markstr [n].position = position ; |
| /* |
| ** TODO if psf->u.scbuf is equal to |
| ** either Beg_loop, Beg loop or beg loop and spam |
| ** if (psf->instrument == NULL && (psf->instrument = psf_instrument_alloc ()) == NULL) |
| ** return SFE_MALLOC_FAILED ; |
| */ |
| } ; |
| } ; |
| mark_found++ ; |
| psf_binheader_readf (psf, "j", dword - bytesread) ; |
| break ; |
| |
| case FVER_MARKER : |
| found_chunk |= HAVE_FVER ; |
| /* Fall through to next case. */ |
| |
| case SFX_MARKER : |
| psf_binheader_readf (psf, "E4", &dword) ; |
| pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ; |
| psf_log_printf (psf, " %M : %d\n", marker, dword) ; |
| |
| psf_binheader_readf (psf, "j", dword) ; |
| break ; |
| |
| case NONE_MARKER : |
| /* Fix for broken AIFC files with incorrect COMM chunk length. */ |
| { unsigned char byte ; |
| psf_binheader_readf (psf, "1", &byte) ; |
| dword = byte ; |
| psf_binheader_readf (psf, "j", dword) ; |
| } |
| break ; |
| |
| case CHAN_MARKER : |
| psf_binheader_readf (psf, "E4", &dword) ; |
| pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ; |
| |
| if (dword < 12) |
| { psf_log_printf (psf, " %M : %d (should be >= 12)\n", marker, dword) ; |
| psf_binheader_readf (psf, "j", dword) ; |
| break ; |
| } |
| |
| psf_log_printf (psf, " %M : %d\n", marker, dword) ; |
| |
| if ((error = aiff_read_chanmap (psf, dword))) |
| return error ; |
| break ; |
| |
| default : |
| if (psf_isprint ((marker >> 24) & 0xFF) && psf_isprint ((marker >> 16) & 0xFF) |
| && psf_isprint ((marker >> 8) & 0xFF) && psf_isprint (marker & 0xFF)) |
| { psf_binheader_readf (psf, "E4", &dword) ; |
| psf_log_printf (psf, " %M : %d (unknown marker)\n", marker, dword) ; |
| |
| psf_binheader_readf (psf, "j", dword) ; |
| break ; |
| } ; |
| if ((dword = psf_ftell (psf)) & 0x03) |
| { psf_log_printf (psf, " Unknown chunk marker %X at position %d. Resyncing.\n", marker, dword - 4) ; |
| |
| psf_binheader_readf (psf, "j", -3) ; |
| break ; |
| } ; |
| psf_log_printf (psf, "*** Unknown chunk marker %X at position %D. Exiting parser.\n", marker, psf_ftell (psf)) ; |
| done = 1 ; |
| break ; |
| } ; /* switch (marker) */ |
| |
| if ((! psf->sf.seekable) && (found_chunk & HAVE_SSND)) |
| break ; |
| |
| if (psf_ftell (psf) >= psf->filelength - (2 * SIGNED_SIZEOF (dword))) |
| break ; |
| } ; /* while (1) */ |
| |
| if (instr_found && mark_found) |
| { int j ; |
| |
| for (j = 0 ; j<psf->instrument->loop_count ; j ++) |
| { if (j < ARRAY_LEN (psf->instrument->loops)) |
| { psf->instrument->loops [j].start = marker_to_position (paiff->markstr, psf->instrument->loops [j].start, mark_count) ; |
| psf->instrument->loops [j].end = marker_to_position (paiff->markstr, psf->instrument->loops [j].end, mark_count) ; |
| psf->instrument->loops [j].mode = SF_LOOP_FORWARD ; |
| } ; |
| } ; |
| } ; |
| |
| if (! (found_chunk & HAVE_FORM)) |
| return SFE_AIFF_NO_FORM ; |
| |
| if (! (found_chunk & HAVE_AIFF)) |
| return SFE_AIFF_COMM_NO_FORM ; |
| |
| if (! (found_chunk & HAVE_COMM)) |
| return SFE_AIFF_SSND_NO_COMM ; |
| |
| if (! psf->dataoffset) |
| return SFE_AIFF_NO_DATA ; |
| |
| return 0 ; |
| } /* aiff_read_header */ |
| |
| static int |
| aiff_close (SF_PRIVATE *psf) |
| { AIFF_PRIVATE *paiff = psf->container_data ; |
| |
| if (paiff != NULL && paiff->markstr != NULL) |
| { free (paiff->markstr) ; |
| paiff->markstr = NULL ; |
| } ; |
| |
| if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR) |
| { aiff_write_tailer (psf) ; |
| aiff_write_header (psf, SF_TRUE) ; |
| } ; |
| |
| return 0 ; |
| } /* aiff_close */ |
| |
| static int |
| aiff_read_comm_chunk (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) |
| { int error = 0, bytesread, subformat ; |
| |
| psf->u.scbuf [0] = 0 ; |
| |
| bytesread = psf_binheader_readf (psf, "E4", &(comm_fmt->size)) ; |
| |
| /* The COMM chunk has an int aligned to an odd word boundary. Some |
| ** procesors are not able to deal with this (ie bus fault) so we have |
| ** to take special care. |
| */ |
| comm_fmt->size += comm_fmt->size & 1 ; |
| |
| bytesread += |
| psf_binheader_readf (psf, "E242b", &(comm_fmt->numChannels), &(comm_fmt->numSampleFrames), |
| &(comm_fmt->sampleSize), &(comm_fmt->sampleRate), SIGNED_SIZEOF (comm_fmt->sampleRate)) ; |
| |
| if (comm_fmt->size > 0x10000 && (comm_fmt->size & 0xffff) == 0) |
| { psf_log_printf (psf, " COMM : %d (0x%x) *** should be ", comm_fmt->size, comm_fmt->size) ; |
| comm_fmt->size = ENDSWAP_INT (comm_fmt->size) ; |
| psf_log_printf (psf, "%d (0x%x)\n", comm_fmt->size, comm_fmt->size) ; |
| } |
| else |
| psf_log_printf (psf, " COMM : %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) |
| bytesread += psf_binheader_readf (psf, "Em", &(comm_fmt->encoding)) ; |
| else if (comm_fmt->size >= SIZEOF_AIFC_COMM) |
| { unsigned char encoding_len ; |
| unsigned read_len ; |
| |
| bytesread += psf_binheader_readf (psf, "Em1", &(comm_fmt->encoding), &encoding_len) ; |
| |
| comm_fmt->size = SF_MIN (sizeof (psf->u.scbuf), make_size_t (comm_fmt->size)) ; |
| memset (psf->u.scbuf, 0, comm_fmt->size) ; |
| read_len = comm_fmt->size - SIZEOF_AIFC_COMM + 1 ; |
| bytesread += psf_binheader_readf (psf, "b", psf->u.scbuf, read_len) ; |
| psf->u.scbuf [read_len + 1] = 0 ; |
| } ; |
| |
| psf_log_printf (psf, " Sample Rate : %d\n", tenbytefloat2int (comm_fmt->sampleRate)) ; |
| psf_log_printf (psf, " Frames : %u%s\n", comm_fmt->numSampleFrames, (comm_fmt->numSampleFrames == 0 && psf->filelength > 104) ? " (Should not be 0)" : "") ; |
| psf_log_printf (psf, " Channels : %d\n", comm_fmt->numChannels) ; |
| |
| /* Found some broken 'fl32' files with comm.samplesize == 16. Fix it here. */ |
| if ((comm_fmt->encoding == fl32_MARKER || comm_fmt->encoding == FL32_MARKER) && comm_fmt->sampleSize != 32) |
| { psf_log_printf (psf, " Sample Size : %d (should be 32)\n", comm_fmt->sampleSize) ; |
| comm_fmt->sampleSize = 32 ; |
| } |
| else if ((comm_fmt->encoding == fl64_MARKER || comm_fmt->encoding == FL64_MARKER) && comm_fmt->sampleSize != 64) |
| { psf_log_printf (psf, " Sample Size : %d (should be 64)\n", comm_fmt->sampleSize) ; |
| comm_fmt->sampleSize = 64 ; |
| } |
| else |
| psf_log_printf (psf, " Sample Size : %d\n", comm_fmt->sampleSize) ; |
| |
| subformat = s_bitwidth_to_subformat (comm_fmt->sampleSize) ; |
| |
| psf->endian = SF_ENDIAN_BIG ; |
| |
| switch (comm_fmt->encoding) |
| { case NONE_MARKER : |
| psf->sf.format = (SF_FORMAT_AIFF | subformat) ; |
| break ; |
| |
| case twos_MARKER : |
| case 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) ; |
| error = SFE_UNIMPLEMENTED ; |
| } ; |
| |
| if (! psf->u.scbuf [0]) |
| psf_log_printf (psf, " Encoding : %M\n", comm_fmt->encoding) ; |
| else |
| psf_log_printf (psf, " Encoding : %M => %s\n", comm_fmt->encoding, psf->u.scbuf) ; |
| |
| return error ; |
| } /* aiff_read_comm_chunk */ |
| |
| |
| /*========================================================================================== |
| */ |
| |
| static int |
| aiff_rewrite_header (SF_PRIVATE *psf, AIFF_PRIVATE * paiff) |
| { |
| /* Assuming here that the header has already been written and just |
| ** needs to be corrected for new data length. That means that we |
| ** only change the length fields of the FORM and SSND chunks ; |
| ** everything else can be skipped over. |
| */ |
| int k, ch ; |
| int comm_size, comm_frames ; |
| |
| psf_fseek (psf, 0, SEEK_SET) ; |
| psf_fread (psf->header, psf->dataoffset, 1, psf) ; |
| |
| psf->headindex = 0 ; |
| |
| for (k = 0 ; k < paiff->chunk4.count ; k++) |
| { switch (paiff->chunk4.l [k].chunk) |
| { case FORM_MARKER : |
| psf_binheader_writef (psf, "Etm8", FORM_MARKER, psf->filelength - 8) ; |
| break ; |
| |
| case COMM_MARKER : |
| psf->headindex = paiff->chunk4.l [k].offset ; |
| comm_frames = psf->sf.frames ; |
| comm_size = paiff->chunk4.l [k].len ; |
| psf_binheader_writef (psf, "Em42t4", COMM_MARKER, comm_size, psf->sf.channels, comm_frames) ; |
| break ; |
| |
| case SSND_MARKER : |
| psf->headindex = paiff->chunk4.l [k].offset ; |
| psf_binheader_writef (psf, "Etm8", SSND_MARKER, psf->datalength + SIZEOF_SSND_CHUNK) ; |
| break ; |
| |
| case PEAK_MARKER : |
| psf->headindex = paiff->chunk4.l [k].offset ; |
| psf_binheader_writef (psf, "Em4", PEAK_MARKER, AIFF_PEAK_CHUNK_SIZE (psf->sf.channels)) ; |
| psf_binheader_writef (psf, "E44", 1, time (NULL)) ; |
| for (ch = 0 ; ch < psf->sf.channels ; ch++) |
| psf_binheader_writef (psf, "Eft8", (float) psf->peak_info->peaks [ch].value, psf->peak_info->peaks [ch].position) ; |
| break ; |
| |
| default : |
| /* There are a whole bunch of chunks we should just ignore. */ |
| break ; |
| } ; |
| } ; |
| |
| /* Header mangling complete so write it out. */ |
| psf_fseek (psf, 0, SEEK_SET) ; |
| psf_fwrite (psf->header, psf->headindex, 1, psf) ; |
| |
| return 0 ; |
| } /* aiff_rewrite_header */ |
| |
| static int |
| aiff_write_header (SF_PRIVATE *psf, int calc_length) |
| { sf_count_t current ; |
| AIFF_PRIVATE *paiff ; |
| unsigned char comm_sample_rate [10], comm_zero_bytes [2] = { 0, 0 } ; |
| unsigned int comm_type, comm_size, comm_encoding, comm_frames = 0 ; |
| int k, endian, has_data = SF_FALSE ; |
| short bit_width ; |
| |
| if ((paiff = psf->container_data) == NULL) |
| return SFE_INTERNAL ; |
| |
| current = psf_ftell (psf) ; |
| |
| if (current > psf->dataoffset) |
| has_data = SF_TRUE ; |
| |
| if (calc_length) |
| { psf->filelength = psf_get_filelen (psf) ; |
| |
| psf->datalength = psf->filelength - psf->dataoffset ; |
| if (psf->dataend) |
| psf->datalength -= psf->filelength - psf->dataend ; |
| |
| if (psf->bytewidth > 0) |
| psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ; |
| } ; |
| |
| if (psf->file.mode == SFM_RDWR && psf->dataoffset > 0 && paiff->chunk4.count > 0) |
| { int err = aiff_rewrite_header (psf, paiff) ; |
| if (current > 0) |
| psf_fseek (psf, current, SEEK_SET) ; |
| return err ; |
| } ; |
| |
| endian = SF_ENDIAN (psf->sf.format) ; |
| if (CPU_IS_LITTLE_ENDIAN && endian == SF_ENDIAN_CPU) |
| endian = SF_ENDIAN_LITTLE ; |
| |
| /* Standard value here. */ |
| bit_width = psf->bytewidth * 8 ; |
| comm_frames = (psf->sf.frames > 0xFFFFFFFF) ? 0xFFFFFFFF : psf->sf.frames ; |
| |
| switch (SF_CODEC (psf->sf.format) | 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) ; |
| |
| if (psf->instrument != NULL) |
| { MARK_ID_POS m [4] ; |
| INST_CHUNK ch ; |
| unsigned short ct = 0 ; |
| |
| memset (m, 0, sizeof (m)) ; |
| memset (&ch, 0, sizeof (ch)) ; |
| |
| ch.baseNote = psf->instrument->basenote ; |
| ch.detune = psf->instrument->detune ; |
| ch.lowNote = psf->instrument->key_lo ; |
| ch.highNote = psf->instrument->key_hi ; |
| ch.lowVelocity = psf->instrument->velocity_lo ; |
| ch.highVelocity = psf->instrument->velocity_hi ; |
| ch.gain = psf->instrument->gain ; |
| if (psf->instrument->loops [0].mode != SF_LOOP_NONE) |
| { ch.sustain_loop.playMode = 1 ; |
| ch.sustain_loop.beginLoop = ct ; |
| m [0].markerID = ct++ ; |
| m [0].position = psf->instrument->loops [0].start ; |
| ch.sustain_loop.endLoop = ct ; |
| m [1].markerID = ct++ ; |
| m [1].position = psf->instrument->loops [0].end ; |
| } ; |
| if (psf->instrument->loops [1].mode != SF_LOOP_NONE) |
| { ch.release_loop.playMode = 1 ; |
| ch.release_loop.beginLoop = ct ; |
| m [2].markerID = ct++ ; |
| m [2].position = psf->instrument->loops [1].start ; |
| ch.release_loop.endLoop = ct ; |
| m [3].markerID = ct++ ; |
| m [3].position = psf->instrument->loops [1].end ; |
| } |
| else |
| { ch.release_loop.playMode = 0 ; |
| ch.release_loop.beginLoop = 0 ; |
| ch.release_loop.endLoop = 0 ; |
| } ; |
| |
| psf_binheader_writef (psf, "Em4111111", INST_MARKER, SIZEOF_INST_CHUNK, ch.baseNote, ch.detune, |
| ch.lowNote, ch.highNote, ch.lowVelocity, ch.highVelocity) ; |
| psf_binheader_writef (psf, "2222222", ch.gain, ch.sustain_loop.playMode, |
| ch.sustain_loop.beginLoop, ch.sustain_loop.endLoop, ch.release_loop.playMode, |
| ch.release_loop.beginLoop, ch.release_loop.endLoop) ; |
| |
| if (ct == 2) |
| psf_binheader_writef (psf, "Em42241b241b", |
| MARK_MARKER, 2 + 2 * (2 + 4 + 1 + 9), 2, |
| m [0].markerID, m [0].position, 8, "beg loop", make_size_t (9), |
| m [1].markerID, m [1].position, 8, "end loop", make_size_t (9)) ; |
| else if (ct == 4) |
| psf_binheader_writef (psf, "Em42 241b 241b 241b 241b", |
| MARK_MARKER, 2 + 4 * (2 + 4 + 1 + 9), 4, |
| m [0].markerID, m [0].position, 8, "beg loop", make_size_t (9), |
| m [1].markerID, m [1].position, 8, "end loop", make_size_t (9), |
| m [2].markerID, m [2].position, 8, "beg loop", make_size_t (9), |
| m [3].markerID, m [3].position, 8, "end loop", make_size_t (9)) ; |
| } ; |
| |
| if (psf->str_flags & SF_STR_LOCATE_START) |
| aiff_write_strings (psf, SF_STR_LOCATE_START) ; |
| |
| if (psf->peak_info != NULL && psf->peak_info->peak_loc == SF_PEAK_START) |
| { psf_binheader_writef (psf, "Em4", PEAK_MARKER, AIFF_PEAK_CHUNK_SIZE (psf->sf.channels)) ; |
| psf_binheader_writef (psf, "E44", 1, time (NULL)) ; |
| for (k = 0 ; k < psf->sf.channels ; k++) |
| psf_binheader_writef (psf, "Eft8", (float) psf->peak_info->peaks [k].value, psf->peak_info->peaks [k].position) ; |
| } ; |
| |
| /* Write SSND chunk. */ |
| paiff->ssnd_offset = psf->headindex ; |
| psf_binheader_writef (psf, "Etm844", SSND_MARKER, psf->datalength + SIZEOF_SSND_CHUNK, 0, 0) ; |
| |
| /* Header construction complete so write it out. */ |
| psf_fwrite (psf->header, psf->headindex, 1, psf) ; |
| |
| if (psf->error) |
| return psf->error ; |
| |
| if (has_data && psf->dataoffset != psf->headindex) |
| return psf->error = SFE_INTERNAL ; |
| |
| psf->dataoffset = psf->headindex ; |
| |
| if (! has_data) |
| psf_fseek (psf, psf->dataoffset, SEEK_SET) ; |
| else if (current > 0) |
| psf_fseek (psf, current, SEEK_SET) ; |
| |
| return psf->error ; |
| } /* aiff_write_header */ |
| |
| static int |
| aiff_write_tailer (SF_PRIVATE *psf) |
| { int k ; |
| |
| /* Reset the current header length to zero. */ |
| psf->header [0] = 0 ; |
| psf->headindex = 0 ; |
| |
| psf->dataend = psf_fseek (psf, 0, SEEK_END) ; |
| |
| /* Make sure tailer data starts at even byte offset. Pad if necessary. */ |
| if (psf->dataend % 2 == 1) |
| { psf_fwrite (psf->header, 1, 1, psf) ; |
| psf->dataend ++ ; |
| } ; |
| |
| if (psf->peak_info != NULL && psf->peak_info->peak_loc == SF_PEAK_END) |
| { psf_binheader_writef (psf, "Em4", PEAK_MARKER, AIFF_PEAK_CHUNK_SIZE (psf->sf.channels)) ; |
| psf_binheader_writef (psf, "E44", 1, time (NULL)) ; |
| for (k = 0 ; k < psf->sf.channels ; k++) |
| psf_binheader_writef (psf, "Eft8", (float) psf->peak_info->peaks [k].value, psf->peak_info->peaks [k].position) ; |
| } ; |
| |
| if (psf->str_flags & SF_STR_LOCATE_END) |
| aiff_write_strings (psf, SF_STR_LOCATE_END) ; |
| |
| /* Write the tailer. */ |
| if (psf->headindex > 0) |
| psf_fwrite (psf->header, psf->headindex, 1, psf) ; |
| |
| return 0 ; |
| } /* aiff_write_tailer */ |
| |
| static void |
| aiff_write_strings (SF_PRIVATE *psf, int location) |
| { int k, slen ; |
| |
| for (k = 0 ; k < SF_MAX_STRINGS ; k++) |
| { if (psf->strings [k].type == 0) |
| break ; |
| |
| if (psf->strings [k].flags != location) |
| continue ; |
| |
| switch (psf->strings [k].type) |
| { case SF_STR_SOFTWARE : |
| slen = strlen (psf->strings [k].str) ; |
| psf_binheader_writef (psf, "Em4mb", APPL_MARKER, slen + 4, m3ga_MARKER, psf->strings [k].str, make_size_t (slen + (slen & 1))) ; |
| break ; |
| |
| case SF_STR_TITLE : |
| psf_binheader_writef (psf, "EmS", NAME_MARKER, psf->strings [k].str) ; |
| break ; |
| |
| case SF_STR_COPYRIGHT : |
| psf_binheader_writef (psf, "EmS", c_MARKER, psf->strings [k].str) ; |
| break ; |
| |
| case SF_STR_ARTIST : |
| psf_binheader_writef (psf, "EmS", AUTH_MARKER, psf->strings [k].str) ; |
| break ; |
| |
| case SF_STR_COMMENT : |
| psf_binheader_writef (psf, "EmS", ANNO_MARKER, psf->strings [k].str) ; |
| break ; |
| |
| /* |
| case SF_STR_DATE : |
| psf_binheader_writef (psf, "Ems", ICRD_MARKER, psf->strings [k].str) ; |
| break ; |
| */ |
| } ; |
| } ; |
| |
| return ; |
| } /* aiff_write_strings */ |
| |
| static int |
| aiff_command (SF_PRIVATE * psf, int command, void * UNUSED (data), int UNUSED (datasize)) |
| { AIFF_PRIVATE *paiff ; |
| |
| if ((paiff = psf->container_data) == NULL) |
| return SFE_INTERNAL ; |
| |
| switch (command) |
| { case SFC_SET_CHANNEL_MAP_INFO : |
| paiff->chanmap_tag = aiff_caf_find_channel_layout_tag (psf->channel_map, psf->sf.channels) ; |
| return (paiff->chanmap_tag != 0) ; |
| |
| default : |
| break ; |
| } ; |
| |
| |
| |
| return 0 ; |
| } /* aiff_command */ |
| |
| static const char* |
| get_loop_mode_str (short mode) |
| { switch (mode) |
| { case 0 : return "none" ; |
| case 1 : return "forward" ; |
| case 2 : return "backward" ; |
| } ; |
| |
| return "*** unknown" ; |
| } /* get_loop_mode_str */ |
| |
| static short |
| get_loop_mode (short mode) |
| { switch (mode) |
| { case 0 : return SF_LOOP_NONE ; |
| case 1 : return SF_LOOP_FORWARD ; |
| case 2 : return SF_LOOP_BACKWARD ; |
| } ; |
| |
| return SF_LOOP_NONE ; |
| } /* get_loop_mode */ |
| |
| /*========================================================================================== |
| ** Rough hack at converting from 80 bit IEEE float in AIFF header to an int and |
| ** back again. It assumes that all sample rates are between 1 and 800MHz, which |
| ** should be OK as other sound file formats use a 32 bit integer to store sample |
| ** rate. |
| ** There is another (probably better) version in the source code to the SoX but it |
| ** has a copyright which probably prevents it from being allowable as GPL/LGPL. |
| */ |
| |
| static int |
| tenbytefloat2int (unsigned char *bytes) |
| { int val = 3 ; |
| |
| if (bytes [0] & 0x80) /* Negative number. */ |
| return 0 ; |
| |
| if (bytes [0] <= 0x3F) /* Less than 1. */ |
| return 1 ; |
| |
| if (bytes [0] > 0x40) /* Way too big. */ |
| return 0x4000000 ; |
| |
| if (bytes [0] == 0x40 && bytes [1] > 0x1C) /* Too big. */ |
| return 800000000 ; |
| |
| /* Ok, can handle it. */ |
| |
| val = (bytes [2] << 23) | (bytes [3] << 15) | (bytes [4] << 7) | (bytes [5] >> 1) ; |
| |
| val >>= (29 - bytes [1]) ; |
| |
| return val ; |
| } /* tenbytefloat2int */ |
| |
| static void |
| uint2tenbytefloat (unsigned int num, unsigned char *bytes) |
| { unsigned int mask = 0x40000000 ; |
| int count ; |
| |
| if (num <= 1) |
| { bytes [0] = 0x3F ; |
| bytes [1] = 0xFF ; |
| bytes [2] = 0x80 ; |
| return ; |
| } ; |
| |
| bytes [0] = 0x40 ; |
| |
| if (num >= mask) |
| { bytes [1] = 0x1D ; |
| return ; |
| } ; |
| |
| for (count = 0 ; count <= 32 ; count ++) |
| { if (num & mask) |
| break ; |
| mask >>= 1 ; |
| } ; |
| |
| num <<= count + 1 ; |
| bytes [1] = 29 - count ; |
| bytes [2] = (num >> 24) & 0xFF ; |
| bytes [3] = (num >> 16) & 0xFF ; |
| bytes [4] = (num >> 8) & 0xFF ; |
| bytes [5] = num & 0xFF ; |
| |
| } /* uint2tenbytefloat */ |
| |
| static int |
| aiff_read_basc_chunk (SF_PRIVATE * psf, int datasize) |
| { const char * type_str ; |
| basc_CHUNK bc ; |
| int count ; |
| |
| count = psf_binheader_readf (psf, "E442", &bc.version, &bc.numBeats, &bc.rootNote) ; |
| count += psf_binheader_readf (psf, "E222", &bc.scaleType, &bc.sigNumerator, &bc.sigDenominator) ; |
| count += psf_binheader_readf (psf, "E2j", &bc.loopType, datasize - sizeof (bc)) ; |
| |
| psf_log_printf (psf, " Version ? : %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 */ |
| |