Mercurial > hg > sv-dependency-builds
view src/libsndfile-1.0.25/src/wav.c @ 48:9530b331f8c1
Add Cap'n Proto source
| author | Chris Cannam <cannam@all-day-breakfast.com> |
|---|---|
| date | Tue, 25 Oct 2016 11:17:01 +0100 |
| parents | c7265573341e |
| children |
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/* ** Copyright (C) 1999-2011 Erik de Castro Lopo <erikd@mega-nerd.com> ** Copyright (C) 2004-2005 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 <ctype.h> #include <time.h> #include <inttypes.h> #include "sndfile.h" #include "sfendian.h" #include "common.h" #include "wav_w64.h" /*------------------------------------------------------------------------------ * Macros to handle big/little endian issues. */ #define RIFF_MARKER (MAKE_MARKER ('R', 'I', 'F', 'F')) #define RIFX_MARKER (MAKE_MARKER ('R', 'I', 'F', 'X')) #define WAVE_MARKER (MAKE_MARKER ('W', 'A', 'V', 'E')) #define fmt_MARKER (MAKE_MARKER ('f', 'm', 't', ' ')) #define data_MARKER (MAKE_MARKER ('d', 'a', 't', 'a')) #define fact_MARKER (MAKE_MARKER ('f', 'a', 'c', 't')) #define PEAK_MARKER (MAKE_MARKER ('P', 'E', 'A', 'K')) #define cue_MARKER (MAKE_MARKER ('c', 'u', 'e', ' ')) #define LIST_MARKER (MAKE_MARKER ('L', 'I', 'S', 'T')) #define slnt_MARKER (MAKE_MARKER ('s', 'l', 'n', 't')) #define wavl_MARKER (MAKE_MARKER ('w', 'a', 'v', 'l')) #define INFO_MARKER (MAKE_MARKER ('I', 'N', 'F', 'O')) #define plst_MARKER (MAKE_MARKER ('p', 'l', 's', 't')) #define adtl_MARKER (MAKE_MARKER ('a', 'd', 't', 'l')) #define labl_MARKER (MAKE_MARKER ('l', 'a', 'b', 'l')) #define ltxt_MARKER (MAKE_MARKER ('l', 't', 'x', 't')) #define note_MARKER (MAKE_MARKER ('n', 'o', 't', 'e')) #define smpl_MARKER (MAKE_MARKER ('s', 'm', 'p', 'l')) #define bext_MARKER (MAKE_MARKER ('b', 'e', 'x', 't')) #define iXML_MARKER (MAKE_MARKER ('i', 'X', 'M', 'L')) #define levl_MARKER (MAKE_MARKER ('l', 'e', 'v', 'l')) #define MEXT_MARKER (MAKE_MARKER ('M', 'E', 'X', 'T')) #define DISP_MARKER (MAKE_MARKER ('D', 'I', 'S', 'P')) #define acid_MARKER (MAKE_MARKER ('a', 'c', 'i', 'd')) #define strc_MARKER (MAKE_MARKER ('s', 't', 'r', 'c')) #define PAD_MARKER (MAKE_MARKER ('P', 'A', 'D', ' ')) #define afsp_MARKER (MAKE_MARKER ('a', 'f', 's', 'p')) #define clm_MARKER (MAKE_MARKER ('c', 'l', 'm', ' ')) #define elmo_MARKER (MAKE_MARKER ('e', 'l', 'm', 'o')) #define cart_MARKER (MAKE_MARKER ('c', 'a', 'r', 't')) #define FLLR_MARKER (MAKE_MARKER ('F', 'L', 'L', 'R')) #define exif_MARKER (MAKE_MARKER ('e', 'x', 'i', 'f')) #define ever_MARKER (MAKE_MARKER ('e', 'v', 'e', 'r')) #define etim_MARKER (MAKE_MARKER ('e', 't', 'i', 'm')) #define ecor_MARKER (MAKE_MARKER ('e', 'c', 'o', 'r')) #define emdl_MARKER (MAKE_MARKER ('e', 'm', 'd', 'l')) #define emnt_MARKER (MAKE_MARKER ('e', 'm', 'n', 't')) #define erel_MARKER (MAKE_MARKER ('e', 'r', 'e', 'l')) #define eucm_MARKER (MAKE_MARKER ('e', 'u', 'c', 'm')) #define ISFT_MARKER (MAKE_MARKER ('I', 'S', 'F', 'T')) #define ICRD_MARKER (MAKE_MARKER ('I', 'C', 'R', 'D')) #define ICOP_MARKER (MAKE_MARKER ('I', 'C', 'O', 'P')) #define IARL_MARKER (MAKE_MARKER ('I', 'A', 'R', 'L')) #define IART_MARKER (MAKE_MARKER ('I', 'A', 'R', 'T')) #define INAM_MARKER (MAKE_MARKER ('I', 'N', 'A', 'M')) #define IENG_MARKER (MAKE_MARKER ('I', 'E', 'N', 'G')) #define IGNR_MARKER (MAKE_MARKER ('I', 'G', 'N', 'R')) #define ICOP_MARKER (MAKE_MARKER ('I', 'C', 'O', 'P')) #define IPRD_MARKER (MAKE_MARKER ('I', 'P', 'R', 'D')) #define ISRC_MARKER (MAKE_MARKER ('I', 'S', 'R', 'C')) #define ISBJ_MARKER (MAKE_MARKER ('I', 'S', 'B', 'J')) #define ICMT_MARKER (MAKE_MARKER ('I', 'C', 'M', 'T')) /* Weird WAVPACK marker which can show up at the start of the DATA section. */ #define wvpk_MARKER (MAKE_MARKER ('w', 'v', 'p', 'k')) #define OggS_MARKER (MAKE_MARKER ('O', 'g', 'g', 'S')) #define WAV_PEAK_CHUNK_SIZE(ch) (2 * sizeof (int) + ch * (sizeof (float) + sizeof (int))) #define WAV_BEXT_MIN_CHUNK_SIZE 602 #define WAV_BEXT_MAX_CHUNK_SIZE (10 * 1024) enum { HAVE_RIFF = 0x01, HAVE_WAVE = 0x02, HAVE_fmt = 0x04, HAVE_fact = 0x08, HAVE_PEAK = 0x10, HAVE_data = 0x20, HAVE_other = 0x80000000 } ; /* known WAVEFORMATEXTENSIBLE GUIDS */ static const EXT_SUBFORMAT MSGUID_SUBTYPE_PCM = { 0x00000001, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 } } ; static const EXT_SUBFORMAT MSGUID_SUBTYPE_MS_ADPCM = { 0x00000002, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 } } ; static const EXT_SUBFORMAT MSGUID_SUBTYPE_IEEE_FLOAT = { 0x00000003, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 } } ; static const EXT_SUBFORMAT MSGUID_SUBTYPE_ALAW = { 0x00000006, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 } } ; static const EXT_SUBFORMAT MSGUID_SUBTYPE_MULAW = { 0x00000007, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 } } ; /* ** the next two are from ** http://dream.cs.bath.ac.uk/researchdev/wave-ex/bformat.html */ static const EXT_SUBFORMAT MSGUID_SUBTYPE_AMBISONIC_B_FORMAT_PCM = { 0x00000001, 0x0721, 0x11d3, { 0x86, 0x44, 0xC8, 0xC1, 0xCA, 0x00, 0x00, 0x00 } } ; static const EXT_SUBFORMAT MSGUID_SUBTYPE_AMBISONIC_B_FORMAT_IEEE_FLOAT = { 0x00000003, 0x0721, 0x11d3, { 0x86, 0x44, 0xC8, 0xC1, 0xCA, 0x00, 0x00, 0x00 } } ; #if 0 /* maybe interesting one day to read the following through sf_read_raw */ /* http://www.bath.ac.uk/~masrwd/pvocex/pvocex.html */ static const EXT_SUBFORMAT MSGUID_SUBTYPE_PVOCEX = { 0x8312B9C2, 0x2E6E, 0x11d4, { 0xA8, 0x24, 0xDE, 0x5B, 0x96, 0xC3, 0xAB, 0x21 } } ; #endif /*------------------------------------------------------------------------------ ** Private static functions. */ static int wav_read_header (SF_PRIVATE *psf, int *blockalign, int *framesperblock) ; static int wav_write_header (SF_PRIVATE *psf, int calc_length) ; static int wav_write_tailer (SF_PRIVATE *psf) ; static void wav_write_strings (SF_PRIVATE *psf, int location) ; static int wav_command (SF_PRIVATE *psf, int command, void *data, int datasize) ; static int wav_close (SF_PRIVATE *psf) ; static int wav_subchunk_parse (SF_PRIVATE *psf, int chunk) ; static int exif_subchunk_parse (SF_PRIVATE *psf, unsigned int length) ; static int wav_read_smpl_chunk (SF_PRIVATE *psf, unsigned int chunklen) ; static int wav_read_acid_chunk (SF_PRIVATE *psf, unsigned int chunklen) ; /*------------------------------------------------------------------------------ ** Public function. */ int wav_open (SF_PRIVATE *psf) { WAV_PRIVATE * wpriv ; int format, subformat, error, blockalign = 0, framesperblock = 0 ; if ((wpriv = calloc (1, sizeof (WAV_PRIVATE))) == NULL) return SFE_MALLOC_FAILED ; psf->container_data = wpriv ; wpriv->wavex_ambisonic = SF_AMBISONIC_NONE ; psf->str_flags = SF_STR_ALLOW_START | SF_STR_ALLOW_END ; if (psf->file.mode == SFM_READ || (psf->file.mode == SFM_RDWR && psf->filelength > 0)) { if ((error = wav_read_header (psf, &blockalign, &framesperblock))) return error ; } ; subformat = SF_CODEC (psf->sf.format) ; if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR) { if (psf->is_pipe) return SFE_NO_PIPE_WRITE ; wpriv->wavex_ambisonic = SF_AMBISONIC_NONE ; format = SF_CONTAINER (psf->sf.format) ; if (format != SF_FORMAT_WAV && format != SF_FORMAT_WAVEX) return SFE_BAD_OPEN_FORMAT ; psf->blockwidth = psf->bytewidth * psf->sf.channels ; /* RIFF WAVs are little-endian, RIFX WAVs are big-endian, default to little */ psf->endian = SF_ENDIAN (psf->sf.format) ; if (CPU_IS_BIG_ENDIAN && psf->endian == SF_ENDIAN_CPU) psf->endian = SF_ENDIAN_BIG ; else if (psf->endian != SF_ENDIAN_BIG) psf->endian = SF_ENDIAN_LITTLE ; if (psf->file.mode != SFM_RDWR || psf->filelength < 44) { psf->filelength = 0 ; psf->datalength = 0 ; psf->dataoffset = 0 ; psf->sf.frames = 0 ; } ; if (subformat == SF_FORMAT_IMA_ADPCM || subformat == SF_FORMAT_MS_ADPCM) { blockalign = wav_w64_srate2blocksize (psf->sf.samplerate * psf->sf.channels) ; framesperblock = -1 ; /* Corrected later. */ } ; /* By default, add the peak chunk to floating point files. Default behaviour ** can be switched off using sf_command (SFC_SET_PEAK_CHUNK, SF_FALSE). */ 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 ; } ; psf->write_header = wav_write_header ; } ; psf->container_close = wav_close ; psf->command = wav_command ; switch (subformat) { case SF_FORMAT_PCM_U8 : 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_IMA_ADPCM : error = wav_w64_ima_init (psf, blockalign, framesperblock) ; break ; case SF_FORMAT_MS_ADPCM : error = wav_w64_msadpcm_init (psf, blockalign, framesperblock) ; break ; case SF_FORMAT_G721_32 : error = g72x_init (psf) ; break ; /* Lite remove end */ case SF_FORMAT_GSM610 : error = gsm610_init (psf) ; break ; default : return SFE_UNIMPLEMENTED ; } ; if (psf->file.mode == SFM_WRITE || (psf->file.mode == SFM_RDWR && psf->filelength == 0)) return psf->write_header (psf, SF_FALSE) ; return error ; } /* wav_open */ /*========================================================================= ** Private functions. */ static int wav_read_header (SF_PRIVATE *psf, int *blockalign, int *framesperblock) { WAV_PRIVATE *wpriv ; WAV_FMT *wav_fmt ; FACT_CHUNK fact_chunk ; unsigned dword = 0, marker, RIFFsize = 0, done = 0 ; int parsestage = 0, error, format = 0 ; char *cptr ; if (psf->filelength > SF_PLATFORM_S64 (0xffffffff)) psf_log_printf (psf, "Warning : filelength > 0xffffffff. This is bad!!!!\n") ; if ((wpriv = psf->container_data) == NULL) return SFE_INTERNAL ; wav_fmt = &wpriv->wav_fmt ; /* Set position to start of file to begin reading header. */ psf_binheader_readf (psf, "p", 0) ; while (! done) { psf_binheader_readf (psf, "m", &marker) ; switch (marker) { case RIFF_MARKER : case RIFX_MARKER : if (parsestage) return SFE_WAV_NO_RIFF ; parsestage |= HAVE_RIFF ; /* RIFX signifies big-endian format for all header and data ** to prevent lots of code copying here, we'll set the psf->rwf_endian ** flag once here, and never specify endian-ness for all other header ops */ if (marker == RIFF_MARKER) psf->rwf_endian = SF_ENDIAN_LITTLE ; else psf->rwf_endian = SF_ENDIAN_BIG ; psf_binheader_readf (psf, "4", &RIFFsize) ; if (psf->fileoffset > 0 && psf->filelength > RIFFsize + 8) { /* Set file length. */ psf->filelength = RIFFsize + 8 ; if (marker == RIFF_MARKER) psf_log_printf (psf, "RIFF : %u\n", RIFFsize) ; else psf_log_printf (psf, "RIFX : %u\n", RIFFsize) ; } else if (psf->filelength < RIFFsize + 2 * SIGNED_SIZEOF (dword)) { if (marker == RIFF_MARKER) psf_log_printf (psf, "RIFF : %u (should be %D)\n", RIFFsize, psf->filelength - 2 * SIGNED_SIZEOF (dword)) ; else psf_log_printf (psf, "RIFX : %u (should be %D)\n", RIFFsize, psf->filelength - 2 * SIGNED_SIZEOF (dword)) ; RIFFsize = dword ; } else { if (marker == RIFF_MARKER) psf_log_printf (psf, "RIFF : %u\n", RIFFsize) ; else psf_log_printf (psf, "RIFX : %u\n", RIFFsize) ; } ; break ; case WAVE_MARKER : if ((parsestage & HAVE_RIFF) != HAVE_RIFF) return SFE_WAV_NO_WAVE ; parsestage |= HAVE_WAVE ; psf_log_printf (psf, "WAVE\n") ; break ; case fmt_MARKER : if ((parsestage & (HAVE_RIFF | HAVE_WAVE)) != (HAVE_RIFF | HAVE_WAVE)) return SFE_WAV_NO_FMT ; /* If this file has a SECOND fmt chunk, I don't want to know about it. */ if (parsestage & HAVE_fmt) break ; parsestage |= HAVE_fmt ; psf_binheader_readf (psf, "4", &dword) ; psf_log_printf (psf, "fmt : %d\n", dword) ; if ((error = wav_w64_read_fmt_chunk (psf, dword))) return error ; format = wav_fmt->format ; break ; case data_MARKER : if ((parsestage & (HAVE_RIFF | HAVE_WAVE | HAVE_fmt)) != (HAVE_RIFF | HAVE_WAVE | HAVE_fmt)) return SFE_WAV_NO_DATA ; if (psf->file.mode == SFM_RDWR && (parsestage & HAVE_other) != 0) return SFE_RDWR_BAD_HEADER ; parsestage |= HAVE_data ; psf_binheader_readf (psf, "4", &dword) ; psf->datalength = dword ; psf->dataoffset = psf_ftell (psf) ; if (psf->dataoffset > 0) { if (dword == 0 && RIFFsize == 8 && psf->filelength > 44) { psf_log_printf (psf, "*** Looks like a WAV file which wasn't closed properly. Fixing it.\n") ; psf->datalength = psf->filelength - psf->dataoffset ; } ; if (psf->datalength > psf->filelength - psf->dataoffset) { psf_log_printf (psf, "data : %D (should be %D)\n", psf->datalength, psf->filelength - psf->dataoffset) ; psf->datalength = psf->filelength - psf->dataoffset ; } else psf_log_printf (psf, "data : %D\n", psf->datalength) ; /* Only set dataend if there really is data at the end. */ if (psf->datalength + psf->dataoffset < psf->filelength) psf->dataend = psf->datalength + psf->dataoffset ; if (format == WAVE_FORMAT_MS_ADPCM && psf->datalength % 2) { psf->datalength ++ ; psf_log_printf (psf, "*** Data length odd. Increasing it by 1.\n") ; } ; } ; if (! psf->sf.seekable || psf->dataoffset < 0) break ; /* Seek past data and continue reading header. */ psf_fseek (psf, psf->datalength, SEEK_CUR) ; if (psf_ftell (psf) != psf->datalength + psf->dataoffset) psf_log_printf (psf, "*** psf_fseek past end error ***\n") ; break ; case fact_MARKER : if ((parsestage & (HAVE_RIFF | HAVE_WAVE)) != (HAVE_RIFF | HAVE_WAVE)) return SFE_WAV_BAD_FACT ; parsestage |= HAVE_fact ; if ((parsestage & HAVE_fmt) != HAVE_fmt) psf_log_printf (psf, "*** Should have 'fmt ' chunk before 'fact'\n") ; psf_binheader_readf (psf, "44", &dword, & (fact_chunk.frames)) ; if (dword > SIGNED_SIZEOF (fact_chunk)) psf_binheader_readf (psf, "j", (int) (dword - SIGNED_SIZEOF (fact_chunk))) ; if (dword) psf_log_printf (psf, "%M : %d\n", marker, dword) ; else psf_log_printf (psf, "%M : %d (should not be zero)\n", marker, dword) ; psf_log_printf (psf, " frames : %d\n", fact_chunk.frames) ; break ; case PEAK_MARKER : if ((parsestage & (HAVE_RIFF | HAVE_WAVE | HAVE_fmt)) != (HAVE_RIFF | HAVE_WAVE | HAVE_fmt)) return SFE_WAV_PEAK_B4_FMT ; parsestage |= HAVE_PEAK ; psf_binheader_readf (psf, "4", &dword) ; psf_log_printf (psf, "%M : %d\n", marker, dword) ; if (dword != WAV_PEAK_CHUNK_SIZE (psf->sf.channels)) { psf_binheader_readf (psf, "j", dword) ; psf_log_printf (psf, "*** File PEAK chunk size doesn't fit with number of channels (%d).\n", psf->sf.channels) ; 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, "44", & (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, "f4", &value, &position) ; psf->peak_info->peaks [dword].value = value ; psf->peak_info->peaks [dword].position = position ; snprintf (cptr, sizeof (psf->u.cbuf), " %2d %-12" PRId64 " %g\n", dword, psf->peak_info->peaks [dword].position, psf->peak_info->peaks [dword].value) ; cptr [sizeof (psf->u.cbuf) - 1] = 0 ; psf_log_printf (psf, "%s", cptr) ; } ; psf->peak_info->peak_loc = ((parsestage & HAVE_data) == 0) ? SF_PEAK_START : SF_PEAK_END ; break ; case cue_MARKER : parsestage |= HAVE_other ; { unsigned bytesread, cue_count ; int id, position, chunk_id, chunk_start, block_start, offset ; bytesread = psf_binheader_readf (psf, "44", &dword, &cue_count) ; bytesread -= 4 ; /* Remove bytes for first dword. */ psf_log_printf (psf, "%M : %u\n", marker, dword) ; if (cue_count > 10) { psf_log_printf (psf, " Count : %d (skipping)\n", cue_count) ; psf_binheader_readf (psf, "j", cue_count * 24) ; break ; } ; psf_log_printf (psf, " Count : %d\n", cue_count) ; while (cue_count) { bytesread += psf_binheader_readf (psf, "444444", &id, &position, &chunk_id, &chunk_start, &block_start, &offset) ; psf_log_printf (psf, " Cue ID : %2d" " Pos : %5u Chunk : %M" " Chk Start : %d Blk Start : %d" " Offset : %5d\n", id, position, chunk_id, chunk_start, block_start, offset) ; cue_count -- ; } ; if (bytesread != dword) { psf_log_printf (psf, "**** Chunk size weirdness (%d != %d)\n", dword, bytesread) ; psf_binheader_readf (psf, "j", dword - bytesread) ; } ; } ; break ; case smpl_MARKER : parsestage |= HAVE_other ; psf_binheader_readf (psf, "4", &dword) ; psf_log_printf (psf, "smpl : %u\n", dword) ; if ((error = wav_read_smpl_chunk (psf, dword))) return error ; break ; case acid_MARKER : parsestage |= HAVE_other ; psf_binheader_readf (psf, "4", &dword) ; psf_log_printf (psf, "acid : %u\n", dword) ; if ((error = wav_read_acid_chunk (psf, dword))) return error ; break ; case INFO_MARKER : case LIST_MARKER : parsestage |= HAVE_other ; if ((error = wav_subchunk_parse (psf, marker)) != 0) return error ; break ; case bext_MARKER : /* The 'bext' chunk can actually be updated, so don't need to set this. parsestage |= HAVE_other ; */ psf_binheader_readf (psf, "4", &dword) ; if ((error = wav_read_bext_chunk (psf, dword))) return error ; break ; case PAD_MARKER : /* We can eat into a 'PAD ' chunk if we need to. parsestage |= HAVE_other ; */ psf_binheader_readf (psf, "4", &dword) ; psf_log_printf (psf, "%M : %u\n", marker, dword) ; dword += (dword & 1) ; psf_binheader_readf (psf, "j", dword) ; break ; case iXML_MARKER : /* See http://en.wikipedia.org/wiki/IXML */ case strc_MARKER : /* Multiple of 32 bytes. */ case afsp_MARKER : case clm_MARKER : case elmo_MARKER : case cart_MARKER : case levl_MARKER : case plst_MARKER : case DISP_MARKER : case MEXT_MARKER : case FLLR_MARKER : psf_binheader_readf (psf, "4", &dword) ; psf_log_printf (psf, "%M : %u\n", marker, dword) ; dword += (dword & 1) ; psf_binheader_readf (psf, "j", dword) ; 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, "4", &dword) ; psf_log_printf (psf, "*** %M : %d (unknown marker)\n", marker, dword) ; psf_binheader_readf (psf, "j", dword) ; break ; } ; if (psf_ftell (psf) & 0x03) { psf_log_printf (psf, " Unknown chunk marker at position %d. Resynching.\n", dword - 4) ; psf_binheader_readf (psf, "j", -3) ; /* File is too messed up so we prevent editing in RDWR mode here. */ parsestage |= HAVE_other ; break ; } ; psf_log_printf (psf, "*** Unknown chunk marker (%X) at position %D. Exiting parser.\n", marker, psf_ftell (psf) - 4) ; done = SF_TRUE ; break ; } ; /* switch (dword) */ if (! psf->sf.seekable && (parsestage & HAVE_data)) break ; if (psf_ftell (psf) >= psf->filelength - SIGNED_SIZEOF (dword)) { psf_log_printf (psf, "End\n") ; break ; } ; } ; /* while (1) */ if (psf->dataoffset <= 0) return SFE_WAV_NO_DATA ; /* WAVs can be little or big endian */ psf->endian = psf->rwf_endian ; psf_fseek (psf, psf->dataoffset, SEEK_SET) ; if (psf->is_pipe == 0) { /* ** Check for 'wvpk' at the start of the DATA section. Not able to ** handle this. */ psf_binheader_readf (psf, "4", &marker) ; if (marker == wvpk_MARKER || marker == OggS_MARKER) return SFE_WAV_WVPK_DATA ; } ; /* Seek to start of DATA section. */ psf_fseek (psf, psf->dataoffset, SEEK_SET) ; if (psf->blockwidth) { if (psf->filelength - psf->dataoffset < psf->datalength) psf->sf.frames = (psf->filelength - psf->dataoffset) / psf->blockwidth ; else psf->sf.frames = psf->datalength / psf->blockwidth ; } ; switch (format) { case WAVE_FORMAT_EXTENSIBLE : if (psf->sf.format == (SF_FORMAT_WAVEX | SF_FORMAT_MS_ADPCM)) { *blockalign = wav_fmt->msadpcm.blockalign ; *framesperblock = wav_fmt->msadpcm.samplesperblock ; } ; break ; case WAVE_FORMAT_PCM : psf->sf.format = SF_FORMAT_WAV | u_bitwidth_to_subformat (psf->bytewidth * 8) ; break ; case WAVE_FORMAT_MULAW : case IBM_FORMAT_MULAW : psf->sf.format = (SF_FORMAT_WAV | SF_FORMAT_ULAW) ; break ; case WAVE_FORMAT_ALAW : case IBM_FORMAT_ALAW : psf->sf.format = (SF_FORMAT_WAV | SF_FORMAT_ALAW) ; break ; case WAVE_FORMAT_MS_ADPCM : psf->sf.format = (SF_FORMAT_WAV | SF_FORMAT_MS_ADPCM) ; *blockalign = wav_fmt->msadpcm.blockalign ; *framesperblock = wav_fmt->msadpcm.samplesperblock ; break ; case WAVE_FORMAT_IMA_ADPCM : psf->sf.format = (SF_FORMAT_WAV | SF_FORMAT_IMA_ADPCM) ; *blockalign = wav_fmt->ima.blockalign ; *framesperblock = wav_fmt->ima.samplesperblock ; break ; case WAVE_FORMAT_GSM610 : psf->sf.format = (SF_FORMAT_WAV | SF_FORMAT_GSM610) ; break ; case WAVE_FORMAT_IEEE_FLOAT : psf->sf.format = SF_FORMAT_WAV ; psf->sf.format |= (psf->bytewidth == 8) ? SF_FORMAT_DOUBLE : SF_FORMAT_FLOAT ; break ; case WAVE_FORMAT_G721_ADPCM : psf->sf.format = SF_FORMAT_WAV | SF_FORMAT_G721_32 ; break ; default : return SFE_UNIMPLEMENTED ; } ; if (wpriv->fmt_is_broken) wav_w64_analyze (psf) ; /* Only set the format endian-ness if its non-standard big-endian. */ if (psf->endian == SF_ENDIAN_BIG) psf->sf.format |= SF_ENDIAN_BIG ; return 0 ; } /* wav_read_header */ static int wav_write_fmt_chunk (SF_PRIVATE *psf) { int subformat, fmt_size, add_fact_chunk = 0 ; subformat = SF_CODEC (psf->sf.format) ; switch (subformat) { case SF_FORMAT_PCM_U8 : case SF_FORMAT_PCM_16 : case SF_FORMAT_PCM_24 : case SF_FORMAT_PCM_32 : fmt_size = 2 + 2 + 4 + 4 + 2 + 2 ; /* fmt : format, channels, samplerate */ psf_binheader_writef (psf, "4224", fmt_size, WAVE_FORMAT_PCM, psf->sf.channels, psf->sf.samplerate) ; /* fmt : bytespersec */ psf_binheader_writef (psf, "4", psf->sf.samplerate * psf->bytewidth * psf->sf.channels) ; /* fmt : blockalign, bitwidth */ psf_binheader_writef (psf, "22", psf->bytewidth * psf->sf.channels, psf->bytewidth * 8) ; break ; case SF_FORMAT_FLOAT : case SF_FORMAT_DOUBLE : fmt_size = 2 + 2 + 4 + 4 + 2 + 2 ; /* fmt : format, channels, samplerate */ psf_binheader_writef (psf, "4224", fmt_size, WAVE_FORMAT_IEEE_FLOAT, psf->sf.channels, psf->sf.samplerate) ; /* fmt : bytespersec */ psf_binheader_writef (psf, "4", psf->sf.samplerate * psf->bytewidth * psf->sf.channels) ; /* fmt : blockalign, bitwidth */ psf_binheader_writef (psf, "22", psf->bytewidth * psf->sf.channels, psf->bytewidth * 8) ; add_fact_chunk = SF_TRUE ; break ; case SF_FORMAT_ULAW : fmt_size = 2 + 2 + 4 + 4 + 2 + 2 + 2 ; /* fmt : format, channels, samplerate */ psf_binheader_writef (psf, "4224", fmt_size, WAVE_FORMAT_MULAW, psf->sf.channels, psf->sf.samplerate) ; /* fmt : bytespersec */ psf_binheader_writef (psf, "4", psf->sf.samplerate * psf->bytewidth * psf->sf.channels) ; /* fmt : blockalign, bitwidth, extrabytes */ psf_binheader_writef (psf, "222", psf->bytewidth * psf->sf.channels, 8, 0) ; add_fact_chunk = SF_TRUE ; break ; case SF_FORMAT_ALAW : fmt_size = 2 + 2 + 4 + 4 + 2 + 2 + 2 ; /* fmt : format, channels, samplerate */ psf_binheader_writef (psf, "4224", fmt_size, WAVE_FORMAT_ALAW, psf->sf.channels, psf->sf.samplerate) ; /* fmt : bytespersec */ psf_binheader_writef (psf, "4", psf->sf.samplerate * psf->bytewidth * psf->sf.channels) ; /* fmt : blockalign, bitwidth, extrabytes */ psf_binheader_writef (psf, "222", psf->bytewidth * psf->sf.channels, 8, 0) ; add_fact_chunk = SF_TRUE ; break ; /* Lite remove start */ case SF_FORMAT_IMA_ADPCM : { int blockalign, framesperblock, bytespersec ; blockalign = wav_w64_srate2blocksize (psf->sf.samplerate * psf->sf.channels) ; framesperblock = 2 * (blockalign - 4 * psf->sf.channels) / psf->sf.channels + 1 ; bytespersec = (psf->sf.samplerate * blockalign) / framesperblock ; /* fmt chunk. */ fmt_size = 2 + 2 + 4 + 4 + 2 + 2 + 2 + 2 ; /* fmt : size, WAV format type, channels, samplerate, bytespersec */ psf_binheader_writef (psf, "42244", fmt_size, WAVE_FORMAT_IMA_ADPCM, psf->sf.channels, psf->sf.samplerate, bytespersec) ; /* fmt : blockalign, bitwidth, extrabytes, framesperblock. */ psf_binheader_writef (psf, "2222", blockalign, 4, 2, framesperblock) ; } ; add_fact_chunk = SF_TRUE ; break ; case SF_FORMAT_MS_ADPCM : { int blockalign, framesperblock, bytespersec, extrabytes ; blockalign = wav_w64_srate2blocksize (psf->sf.samplerate * psf->sf.channels) ; framesperblock = 2 + 2 * (blockalign - 7 * psf->sf.channels) / psf->sf.channels ; bytespersec = (psf->sf.samplerate * blockalign) / framesperblock ; /* fmt chunk. */ extrabytes = 2 + 2 + MSADPCM_ADAPT_COEFF_COUNT * (2 + 2) ; fmt_size = 2 + 2 + 4 + 4 + 2 + 2 + 2 + extrabytes ; /* fmt : size, WAV format type, channels. */ psf_binheader_writef (psf, "422", fmt_size, WAVE_FORMAT_MS_ADPCM, psf->sf.channels) ; /* fmt : samplerate, bytespersec. */ psf_binheader_writef (psf, "44", psf->sf.samplerate, bytespersec) ; /* fmt : blockalign, bitwidth, extrabytes, framesperblock. */ psf_binheader_writef (psf, "22222", blockalign, 4, extrabytes, framesperblock, 7) ; msadpcm_write_adapt_coeffs (psf) ; } ; add_fact_chunk = SF_TRUE ; break ; case SF_FORMAT_G721_32 : /* fmt chunk. */ fmt_size = 2 + 2 + 4 + 4 + 2 + 2 + 2 + 2 ; /* fmt : size, WAV format type, channels, samplerate, bytespersec */ psf_binheader_writef (psf, "42244", fmt_size, WAVE_FORMAT_G721_ADPCM, psf->sf.channels, psf->sf.samplerate, psf->sf.samplerate * psf->sf.channels / 2) ; /* fmt : blockalign, bitwidth, extrabytes, auxblocksize. */ psf_binheader_writef (psf, "2222", 64, 4, 2, 0) ; add_fact_chunk = SF_TRUE ; break ; /* Lite remove end */ case SF_FORMAT_GSM610 : { int blockalign, framesperblock, bytespersec ; blockalign = WAV_W64_GSM610_BLOCKSIZE ; framesperblock = WAV_W64_GSM610_SAMPLES ; bytespersec = (psf->sf.samplerate * blockalign) / framesperblock ; /* fmt chunk. */ fmt_size = 2 + 2 + 4 + 4 + 2 + 2 + 2 + 2 ; /* fmt : size, WAV format type, channels. */ psf_binheader_writef (psf, "422", fmt_size, WAVE_FORMAT_GSM610, psf->sf.channels) ; /* fmt : samplerate, bytespersec. */ psf_binheader_writef (psf, "44", psf->sf.samplerate, bytespersec) ; /* fmt : blockalign, bitwidth, extrabytes, framesperblock. */ psf_binheader_writef (psf, "2222", blockalign, 0, 2, framesperblock) ; } ; add_fact_chunk = SF_TRUE ; break ; default : return SFE_UNIMPLEMENTED ; } ; if (add_fact_chunk) psf_binheader_writef (psf, "tm48", fact_MARKER, 4, psf->sf.frames) ; return 0 ; } /* wav_write_fmt_chunk */ static int wavex_write_fmt_chunk (SF_PRIVATE *psf) { WAV_PRIVATE *wpriv ; int subformat, fmt_size, add_fact_chunk = 0 ; if ((wpriv = psf->container_data) == NULL) return SFE_INTERNAL ; subformat = SF_CODEC (psf->sf.format) ; /* initial section (same for all, it appears) */ switch (subformat) { case SF_FORMAT_PCM_U8 : case SF_FORMAT_PCM_16 : case SF_FORMAT_PCM_24 : case SF_FORMAT_PCM_32 : case SF_FORMAT_FLOAT : case SF_FORMAT_DOUBLE : case SF_FORMAT_ULAW : case SF_FORMAT_ALAW : fmt_size = 2 + 2 + 4 + 4 + 2 + 2 + 2 + 2 + 4 + 4 + 2 + 2 + 8 ; /* fmt : format, channels, samplerate */ psf_binheader_writef (psf, "4224", fmt_size, WAVE_FORMAT_EXTENSIBLE, psf->sf.channels, psf->sf.samplerate) ; /* fmt : bytespersec */ psf_binheader_writef (psf, "4", psf->sf.samplerate * psf->bytewidth * psf->sf.channels) ; /* fmt : blockalign, bitwidth */ psf_binheader_writef (psf, "22", psf->bytewidth * psf->sf.channels, psf->bytewidth * 8) ; /* cbSize 22 is sizeof (WAVEFORMATEXTENSIBLE) - sizeof (WAVEFORMATEX) */ psf_binheader_writef (psf, "2", 22) ; /* wValidBitsPerSample, for our use same as bitwidth as we use it fully */ psf_binheader_writef (psf, "2", psf->bytewidth * 8) ; /* For an Ambisonic file set the channel mask to zero. ** Otherwise use a default based on the channel count. */ if (wpriv->wavex_ambisonic != SF_AMBISONIC_NONE) psf_binheader_writef (psf, "4", 0) ; else if (wpriv->wavex_channelmask != 0) psf_binheader_writef (psf, "4", wpriv->wavex_channelmask) ; else { /* ** Ok some liberty is taken here to use the most commonly used channel masks ** instead of "no mapping". If you really want to use "no mapping" for 8 channels and less ** please don't use wavex. (otherwise we'll have to create a new SF_COMMAND) */ switch (psf->sf.channels) { case 1 : /* center channel mono */ psf_binheader_writef (psf, "4", 0x4) ; break ; case 2 : /* front left and right */ psf_binheader_writef (psf, "4", 0x1 | 0x2) ; break ; case 4 : /* Quad */ psf_binheader_writef (psf, "4", 0x1 | 0x2 | 0x10 | 0x20) ; break ; case 6 : /* 5.1 */ psf_binheader_writef (psf, "4", 0x1 | 0x2 | 0x4 | 0x8 | 0x10 | 0x20) ; break ; case 8 : /* 7.1 */ psf_binheader_writef (psf, "4", 0x1 | 0x2 | 0x4 | 0x8 | 0x10 | 0x20 | 0x40 | 0x80) ; break ; default : /* 0 when in doubt , use direct out, ie NO mapping*/ psf_binheader_writef (psf, "4", 0x0) ; break ; } ; } ; break ; case SF_FORMAT_MS_ADPCM : /* Todo, GUID exists might have different header as per wav_write_header */ default : return SFE_UNIMPLEMENTED ; } ; /* GUID section, different for each */ switch (subformat) { case SF_FORMAT_PCM_U8 : case SF_FORMAT_PCM_16 : case SF_FORMAT_PCM_24 : case SF_FORMAT_PCM_32 : wavex_write_guid (psf, wpriv->wavex_ambisonic == SF_AMBISONIC_NONE ? &MSGUID_SUBTYPE_PCM : &MSGUID_SUBTYPE_AMBISONIC_B_FORMAT_PCM) ; break ; case SF_FORMAT_FLOAT : case SF_FORMAT_DOUBLE : wavex_write_guid (psf, wpriv->wavex_ambisonic == SF_AMBISONIC_NONE ? &MSGUID_SUBTYPE_IEEE_FLOAT : &MSGUID_SUBTYPE_AMBISONIC_B_FORMAT_IEEE_FLOAT) ; add_fact_chunk = SF_TRUE ; break ; case SF_FORMAT_ULAW : wavex_write_guid (psf, &MSGUID_SUBTYPE_MULAW) ; add_fact_chunk = SF_TRUE ; break ; case SF_FORMAT_ALAW : wavex_write_guid (psf, &MSGUID_SUBTYPE_ALAW) ; add_fact_chunk = SF_TRUE ; break ; #if 0 /* This is dead code due to return in previous switch statement. */ case SF_FORMAT_MS_ADPCM : /* todo, GUID exists */ wavex_write_guid (psf, &MSGUID_SUBTYPE_MS_ADPCM) ; add_fact_chunk = SF_TRUE ; break ; return SFE_UNIMPLEMENTED ; #endif default : return SFE_UNIMPLEMENTED ; } ; if (add_fact_chunk) psf_binheader_writef (psf, "tm48", fact_MARKER, 4, psf->sf.frames) ; return 0 ; } /* wavex_write_fmt_chunk */ static int wav_write_header (SF_PRIVATE *psf, int calc_length) { sf_count_t current ; int k, error, has_data = SF_FALSE ; 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) ; } ; /* Reset the current header length to zero. */ psf->header [0] = 0 ; psf->headindex = 0 ; psf_fseek (psf, 0, SEEK_SET) ; /* ** RIFX signifies big-endian format for all header and data. ** To prevent lots of code copying here, we'll set the psf->rwf_endian flag ** once here, and never specify endian-ness for all other header operations. */ /* RIFF/RIFX marker, length, WAVE and 'fmt ' markers. */ if (psf->endian == SF_ENDIAN_LITTLE) psf_binheader_writef (psf, "etm8", RIFF_MARKER, (psf->filelength < 8) ? 8 : psf->filelength - 8) ; else psf_binheader_writef (psf, "Etm8", RIFX_MARKER, (psf->filelength < 8) ? 8 : psf->filelength - 8) ; /* WAVE and 'fmt ' markers. */ psf_binheader_writef (psf, "mm", WAVE_MARKER, fmt_MARKER) ; /* Write the 'fmt ' chunk. */ switch (SF_CONTAINER (psf->sf.format)) { case SF_FORMAT_WAV : if ((error = wav_write_fmt_chunk (psf)) != 0) return error ; break ; case SF_FORMAT_WAVEX : if ((error = wavex_write_fmt_chunk (psf)) != 0) return error ; break ; default : return SFE_UNIMPLEMENTED ; } ; /* The LIST/INFO chunk. */ if (psf->str_flags & SF_STR_LOCATE_START) wav_write_strings (psf, SF_STR_LOCATE_START) ; if (psf->peak_info != NULL && psf->peak_info->peak_loc == SF_PEAK_START) { psf_binheader_writef (psf, "m4", PEAK_MARKER, WAV_PEAK_CHUNK_SIZE (psf->sf.channels)) ; psf_binheader_writef (psf, "44", 1, time (NULL)) ; for (k = 0 ; k < psf->sf.channels ; k++) psf_binheader_writef (psf, "ft8", (float) psf->peak_info->peaks [k].value, psf->peak_info->peaks [k].position) ; } ; if (psf->broadcast_16k != NULL) wav_write_bext_chunk (psf) ; if (psf->instrument != NULL) { int tmp ; double dtune = (double) (0x40000000) / 25.0 ; psf_binheader_writef (psf, "m4", smpl_MARKER, 9 * 4 + psf->instrument->loop_count * 6 * 4) ; psf_binheader_writef (psf, "44", 0, 0) ; /* Manufacturer zero is everyone */ tmp = (int) (1.0e9 / psf->sf.samplerate) ; /* Sample period in nano seconds */ psf_binheader_writef (psf, "44", tmp, psf->instrument->basenote) ; tmp = (unsigned int) (psf->instrument->detune * dtune + 0.5) ; psf_binheader_writef (psf, "4", tmp) ; psf_binheader_writef (psf, "44", 0, 0) ; /* SMTPE format */ psf_binheader_writef (psf, "44", psf->instrument->loop_count, 0) ; for (tmp = 0 ; tmp < psf->instrument->loop_count ; tmp++) { int type ; type = psf->instrument->loops [tmp].mode ; type = (type == SF_LOOP_FORWARD ? 0 : type==SF_LOOP_BACKWARD ? 2 : type == SF_LOOP_ALTERNATING ? 1 : 32) ; psf_binheader_writef (psf, "44", tmp, type) ; psf_binheader_writef (psf, "44", psf->instrument->loops [tmp].start, psf->instrument->loops [tmp].end - 1) ; psf_binheader_writef (psf, "44", 0, psf->instrument->loops [tmp].count) ; } ; } ; if (psf->headindex + 16 < psf->dataoffset) { /* Add PAD data if necessary. */ k = psf->dataoffset - (psf->headindex + 16) ; psf_binheader_writef (psf, "m4z", PAD_MARKER, k, make_size_t (k)) ; } ; psf_binheader_writef (psf, "tm8", data_MARKER, psf->datalength) ; psf_fwrite (psf->header, psf->headindex, 1, psf) ; if (psf->error) return psf->error ; if (has_data && psf->dataoffset != psf->headindex) { psf_log_printf (psf, "Oooops : has_data && psf->dataoffset != psf->headindex\n") ; 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 ; } /* wav_write_header */ static int wav_write_tailer (SF_PRIVATE *psf) { int k ; /* Reset the current header buffer length to zero. */ psf->header [0] = 0 ; psf->headindex = 0 ; if (psf->dataend > 0) psf_fseek (psf, psf->dataend, SEEK_SET) ; else psf->dataend = psf_fseek (psf, 0, SEEK_END) ; /* Add a PEAK chunk if requested. */ if (psf->peak_info != NULL && psf->peak_info->peak_loc == SF_PEAK_END) { psf_binheader_writef (psf, "m4", PEAK_MARKER, WAV_PEAK_CHUNK_SIZE (psf->sf.channels)) ; psf_binheader_writef (psf, "44", 1, time (NULL)) ; for (k = 0 ; k < psf->sf.channels ; k++) psf_binheader_writef (psf, "f4", psf->peak_info->peaks [k].value, psf->peak_info->peaks [k].position) ; } ; if (psf->str_flags & SF_STR_LOCATE_END) wav_write_strings (psf, SF_STR_LOCATE_END) ; /* Write the tailer. */ if (psf->headindex > 0) psf_fwrite (psf->header, psf->headindex, 1, psf) ; return 0 ; } /* wav_write_tailer */ static void wav_write_strings (SF_PRIVATE *psf, int location) { int k, prev_head_index, saved_head_index ; if (psf_location_string_count (psf, location) == 0) return ; prev_head_index = psf->headindex + 4 ; psf_binheader_writef (psf, "m4m", LIST_MARKER, 0xBADBAD, INFO_MARKER) ; for (k = 0 ; k < SF_MAX_STRINGS ; k++) { if (psf->strings [k].type == 0) break ; if (psf->strings [k].type < 0 || psf->strings [k].flags != location) continue ; switch (psf->strings [k].type) { case SF_STR_SOFTWARE : psf_binheader_writef (psf, "ms", ISFT_MARKER, psf->strings [k].str) ; break ; case SF_STR_TITLE : psf_binheader_writef (psf, "ms", INAM_MARKER, psf->strings [k].str) ; break ; case SF_STR_COPYRIGHT : psf_binheader_writef (psf, "ms", ICOP_MARKER, psf->strings [k].str) ; break ; case SF_STR_ARTIST : psf_binheader_writef (psf, "ms", IART_MARKER, psf->strings [k].str) ; break ; case SF_STR_COMMENT : psf_binheader_writef (psf, "ms", ICMT_MARKER, psf->strings [k].str) ; break ; case SF_STR_DATE : psf_binheader_writef (psf, "ms", ICRD_MARKER, psf->strings [k].str) ; break ; case SF_STR_GENRE : psf_binheader_writef (psf, "ms", IGNR_MARKER, psf->strings [k].str) ; break ; default : break ; } ; } ; saved_head_index = psf->headindex ; psf->headindex = prev_head_index ; psf_binheader_writef (psf, "4", saved_head_index - prev_head_index - 4) ; psf->headindex = saved_head_index ; } /* wav_write_strings */ static int wav_close (SF_PRIVATE *psf) { if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR) { wav_write_tailer (psf) ; if (psf->file.mode == SFM_RDWR) { sf_count_t current = psf_ftell (psf) ; /* ** If the mode is RDWR and the current position is less than the ** filelength, truncate the file. */ if (current < psf->filelength) { psf_ftruncate (psf, current) ; psf->filelength = current ; } ; } ; psf->write_header (psf, SF_TRUE) ; } ; return 0 ; } /* wav_close */ static int wav_command (SF_PRIVATE *psf, int command, void * UNUSED (data), int datasize) { WAV_PRIVATE *wpriv ; if ((wpriv = psf->container_data) == NULL) return SFE_INTERNAL ; switch (command) { case SFC_WAVEX_SET_AMBISONIC : if ((SF_CONTAINER (psf->sf.format)) == SF_FORMAT_WAVEX) { if (datasize == SF_AMBISONIC_NONE) wpriv->wavex_ambisonic = SF_AMBISONIC_NONE ; else if (datasize == SF_AMBISONIC_B_FORMAT) wpriv->wavex_ambisonic = SF_AMBISONIC_B_FORMAT ; else return 0 ; } ; return wpriv->wavex_ambisonic ; case SFC_WAVEX_GET_AMBISONIC : return wpriv->wavex_ambisonic ; case SFC_SET_CHANNEL_MAP_INFO : wpriv->wavex_channelmask = wavex_gen_channel_mask (psf->channel_map, psf->sf.channels) ; return (wpriv->wavex_channelmask != 0) ; default : break ; } ; return 0 ; } /* wav_command */ static int wav_subchunk_parse (SF_PRIVATE *psf, int chunk) { sf_count_t current_pos ; char *cptr ; unsigned dword, bytesread, length ; current_pos = psf_fseek (psf, 0, SEEK_CUR) ; bytesread = psf_binheader_readf (psf, "4", &length) ; if (length <= 8) { /* This case is for broken files generated by PEAK. */ psf_log_printf (psf, "%M : %d (weird length)\n", chunk, length) ; psf_binheader_readf (psf, "mj", &chunk, length - 4) ; psf_log_printf (psf, " %M\n", chunk) ; return 0 ; } ; if (psf->headindex + length > SIGNED_SIZEOF (psf->header)) { psf_log_printf (psf, "%M : %d (too long)\n", chunk, length) ; psf_binheader_readf (psf, "j", length) ; return 0 ; } ; if (current_pos + length > psf->filelength) { psf_log_printf (psf, "%M : %d (should be %d)\n", chunk, length, (int) (psf->filelength - current_pos)) ; length = psf->filelength - current_pos ; } else psf_log_printf (psf, "%M : %d\n", chunk, length) ; while (bytesread < length) { bytesread += psf_binheader_readf (psf, "m", &chunk) ; switch (chunk) { case adtl_MARKER : case INFO_MARKER : /* These markers don't contain anything. */ psf_log_printf (psf, " %M\n", chunk) ; break ; case data_MARKER : psf_log_printf (psf, " %M inside a LIST block??? Backing out.\n", chunk) ; /* Jump back four bytes and return to caller. */ psf_binheader_readf (psf, "j", -4) ; return 0 ; case ISFT_MARKER : case ICOP_MARKER : case IARL_MARKER : case IART_MARKER : case ICMT_MARKER : case ICRD_MARKER : case IENG_MARKER : case IGNR_MARKER : case INAM_MARKER : case IPRD_MARKER : case ISBJ_MARKER : case ISRC_MARKER : bytesread += psf_binheader_readf (psf, "4", &dword) ; dword += (dword & 1) ; if (dword >= SIGNED_SIZEOF (psf->u.cbuf)) { psf_log_printf (psf, " *** %M : %d (too big)\n", chunk, dword) ; psf_binheader_readf (psf, "j", dword) ; break ; } ; cptr = psf->u.cbuf ; psf_binheader_readf (psf, "b", cptr, dword) ; bytesread += dword ; cptr [dword] = 0 ; psf_log_printf (psf, " %M : %s\n", chunk, cptr) ; break ; case labl_MARKER : { int mark_id ; bytesread += psf_binheader_readf (psf, "44", &dword, &mark_id) ; dword -= 4 ; dword += (dword & 1) ; if (dword < 1 || dword >= SIGNED_SIZEOF (psf->u.cbuf)) { psf_log_printf (psf, " *** %M : %d (too big)\n", chunk, dword) ; psf_binheader_readf (psf, "j", dword) ; break ; } ; cptr = psf->u.cbuf ; psf_binheader_readf (psf, "b", cptr, dword) ; bytesread += dword ; cptr [dword] = 0 ; psf_log_printf (psf, " %M : %d : %s\n", chunk, mark_id, cptr) ; } ; break ; case DISP_MARKER : case ltxt_MARKER : case note_MARKER : bytesread += psf_binheader_readf (psf, "4", &dword) ; dword += (dword & 1) ; psf_binheader_readf (psf, "j", dword) ; bytesread += dword ; psf_log_printf (psf, " %M : %d\n", chunk, dword) ; break ; case exif_MARKER : psf_log_printf (psf, " %M\n", chunk) ; bytesread += exif_subchunk_parse (psf, length - bytesread) ; break ; case 0 : /* ** Four zero bytes where a marker was expected. Assume this means ** the rest of the chunk is garbage. */ psf_log_printf (psf, " *** Found weird-ass zero marker. Jumping to end of chunk.\n") ; if (bytesread < length) bytesread += psf_binheader_readf (psf, "j", length - bytesread + 4) ; psf_log_printf (psf, " *** Offset is now : 0x%X\n", psf_fseek (psf, 0, SEEK_CUR)) ; return 0 ; default : psf_binheader_readf (psf, "4", &dword) ; bytesread += sizeof (dword) ; dword += (dword & 1) ; psf_binheader_readf (psf, "j", dword) ; bytesread += dword ; psf_log_printf (psf, " *** %M : %d\n", chunk, dword) ; if (dword > length) return 0 ; break ; } ; switch (chunk) { case ISFT_MARKER : psf_store_string (psf, SF_STR_SOFTWARE, psf->u.cbuf) ; break ; case ICOP_MARKER : psf_store_string (psf, SF_STR_COPYRIGHT, psf->u.cbuf) ; break ; case INAM_MARKER : psf_store_string (psf, SF_STR_TITLE, psf->u.cbuf) ; break ; case IART_MARKER : psf_store_string (psf, SF_STR_ARTIST, psf->u.cbuf) ; break ; case ICMT_MARKER : psf_store_string (psf, SF_STR_COMMENT, psf->u.cbuf) ; break ; case ICRD_MARKER : psf_store_string (psf, SF_STR_DATE, psf->u.cbuf) ; break ; case IGNR_MARKER : psf_store_string (psf, SF_STR_GENRE, psf->u.cbuf) ; break ; } ; } ; current_pos = psf_fseek (psf, 0, SEEK_CUR) - current_pos ; if (current_pos - 4 != length) psf_log_printf (psf, "**** Bad chunk length %d sbould be %D\n", length, current_pos - 4) ; return 0 ; } /* wav_subchunk_parse */ static int wav_read_smpl_chunk (SF_PRIVATE *psf, unsigned int chunklen) { unsigned int bytesread = 0, dword, sampler_data, loop_count ; unsigned int note, start, end, type = -1, count ; int j, k ; chunklen += (chunklen & 1) ; bytesread += psf_binheader_readf (psf, "4", &dword) ; psf_log_printf (psf, " Manufacturer : %X\n", dword) ; bytesread += psf_binheader_readf (psf, "4", &dword) ; psf_log_printf (psf, " Product : %u\n", dword) ; bytesread += psf_binheader_readf (psf, "4", &dword) ; psf_log_printf (psf, " Period : %u nsec\n", dword) ; bytesread += psf_binheader_readf (psf, "4", ¬e) ; psf_log_printf (psf, " Midi Note : %u\n", note) ; bytesread += psf_binheader_readf (psf, "4", &dword) ; if (dword != 0) { snprintf (psf->u.cbuf, sizeof (psf->u.cbuf), "%f", (1.0 * 0x80000000) / ((unsigned int) dword)) ; psf_log_printf (psf, " Pitch Fract. : %s\n", psf->u.cbuf) ; } else psf_log_printf (psf, " Pitch Fract. : 0\n") ; bytesread += psf_binheader_readf (psf, "4", &dword) ; psf_log_printf (psf, " SMPTE Format : %u\n", dword) ; bytesread += psf_binheader_readf (psf, "4", &dword) ; snprintf (psf->u.cbuf, sizeof (psf->u.cbuf), "%02d:%02d:%02d %02d", (dword >> 24) & 0x7F, (dword >> 16) & 0x7F, (dword >> 8) & 0x7F, dword & 0x7F) ; psf_log_printf (psf, " SMPTE Offset : %s\n", psf->u.cbuf) ; bytesread += psf_binheader_readf (psf, "4", &loop_count) ; psf_log_printf (psf, " Loop Count : %u\n", loop_count) ; /* Sampler Data holds the number of data bytes after the CUE chunks which ** is not actually CUE data. Display value after CUE data. */ bytesread += psf_binheader_readf (psf, "4", &sampler_data) ; if ((psf->instrument = psf_instrument_alloc ()) == NULL) return SFE_MALLOC_FAILED ; psf->instrument->loop_count = loop_count ; for (j = 0 ; loop_count > 0 && chunklen - bytesread >= 24 ; j ++) { bytesread += psf_binheader_readf (psf, "4", &dword) ; psf_log_printf (psf, " Cue ID : %2u", dword) ; bytesread += psf_binheader_readf (psf, "4", &type) ; psf_log_printf (psf, " Type : %2u", type) ; bytesread += psf_binheader_readf (psf, "4", &start) ; psf_log_printf (psf, " Start : %5u", start) ; bytesread += psf_binheader_readf (psf, "4", &end) ; psf_log_printf (psf, " End : %5u", end) ; bytesread += psf_binheader_readf (psf, "4", &dword) ; psf_log_printf (psf, " Fraction : %5u", dword) ; bytesread += psf_binheader_readf (psf, "4", &count) ; psf_log_printf (psf, " Count : %5u\n", count) ; if (j < ARRAY_LEN (psf->instrument->loops)) { psf->instrument->loops [j].start = start ; psf->instrument->loops [j].end = end + 1 ; psf->instrument->loops [j].count = count ; switch (type) { case 0 : psf->instrument->loops [j].mode = SF_LOOP_FORWARD ; break ; case 1 : psf->instrument->loops [j].mode = SF_LOOP_ALTERNATING ; break ; case 2 : psf->instrument->loops [j].mode = SF_LOOP_BACKWARD ; break ; default: psf->instrument->loops [j].mode = SF_LOOP_NONE ; break ; } ; } ; loop_count -- ; } ; if (chunklen - bytesread == 0) { if (sampler_data != 0) psf_log_printf (psf, " Sampler Data : %u (should be 0)\n", sampler_data) ; else psf_log_printf (psf, " Sampler Data : %u\n", sampler_data) ; } else { if (sampler_data != chunklen - bytesread) { psf_log_printf (psf, " Sampler Data : %u (should have been %u)\n", sampler_data, chunklen - bytesread) ; sampler_data = chunklen - bytesread ; } else psf_log_printf (psf, " Sampler Data : %u\n", sampler_data) ; psf_log_printf (psf, " ") ; for (k = 0 ; k < (int) sampler_data ; k++) { char ch ; if (k > 0 && (k % 20) == 0) psf_log_printf (psf, "\n ") ; bytesread += psf_binheader_readf (psf, "1", &ch) ; psf_log_printf (psf, "%02X ", ch & 0xFF) ; } ; psf_log_printf (psf, "\n") ; } ; psf->instrument->basenote = note ; psf->instrument->gain = 1 ; psf->instrument->velocity_lo = psf->instrument->key_lo = 0 ; psf->instrument->velocity_hi = psf->instrument->key_hi = 127 ; return 0 ; } /* wav_read_smpl_chunk */ /* ** The acid chunk goes a little something like this: ** ** 4 bytes 'acid' ** 4 bytes (int) length of chunk starting at next byte ** ** 4 bytes (int) type of file: ** this appears to be a bit mask,however some combinations ** are probably impossible and/or qualified as "errors" ** ** 0x01 On: One Shot Off: Loop ** 0x02 On: Root note is Set Off: No root ** 0x04 On: Stretch is On, Off: Strech is OFF ** 0x08 On: Disk Based Off: Ram based ** 0x10 On: ?????????? Off: ????????? (Acidizer puts that ON) ** ** 2 bytes (short) root note ** if type 0x10 is OFF : [C,C#,(...),B] -> [0x30 to 0x3B] ** if type 0x10 is ON : [C,C#,(...),B] -> [0x3C to 0x47] ** (both types fit on same MIDI pitch albeit different octaves, so who cares) ** ** 2 bytes (short) ??? always set to 0x8000 ** 4 bytes (float) ??? seems to be always 0 ** 4 bytes (int) number of beats ** 2 bytes (short) meter denominator //always 4 in SF/ACID ** 2 bytes (short) meter numerator //always 4 in SF/ACID ** //are we sure about the order?? usually its num/denom ** 4 bytes (float) tempo ** */ static int wav_read_acid_chunk (SF_PRIVATE *psf, unsigned int chunklen) { unsigned int bytesread = 0 ; int beats, flags ; short rootnote, q1, meter_denom, meter_numer ; float q2, tempo ; chunklen += (chunklen & 1) ; bytesread += psf_binheader_readf (psf, "422f", &flags, &rootnote, &q1, &q2) ; snprintf (psf->u.cbuf, sizeof (psf->u.cbuf), "%f", q2) ; psf_log_printf (psf, " Flags : 0x%04x (%s,%s,%s,%s,%s)\n", flags, (flags & 0x01) ? "OneShot" : "Loop", (flags & 0x02) ? "RootNoteValid" : "RootNoteInvalid", (flags & 0x04) ? "StretchOn" : "StretchOff", (flags & 0x08) ? "DiskBased" : "RAMBased", (flags & 0x10) ? "??On" : "??Off") ; psf_log_printf (psf, " Root note : 0x%x\n ???? : 0x%04x\n ???? : %s\n", rootnote, q1, psf->u.cbuf) ; bytesread += psf_binheader_readf (psf, "422f", &beats, &meter_denom, &meter_numer, &tempo) ; snprintf (psf->u.cbuf, sizeof (psf->u.cbuf), "%f", tempo) ; psf_log_printf (psf, " Beats : %d\n Meter : %d/%d\n Tempo : %s\n", beats, meter_numer, meter_denom, psf->u.cbuf) ; psf_binheader_readf (psf, "j", chunklen - bytesread) ; if ((psf->loop_info = calloc (1, sizeof (SF_LOOP_INFO))) == NULL) return SFE_MALLOC_FAILED ; psf->loop_info->time_sig_num = meter_numer ; psf->loop_info->time_sig_den = meter_denom ; psf->loop_info->loop_mode = (flags & 0x01) ? SF_LOOP_NONE : SF_LOOP_FORWARD ; psf->loop_info->num_beats = beats ; psf->loop_info->bpm = tempo ; psf->loop_info->root_key = (flags & 0x02) ? rootnote : -1 ; return 0 ; } /* wav_read_acid_chunk */ int wav_read_bext_chunk (SF_PRIVATE *psf, unsigned int chunksize) { SF_BROADCAST_INFO_16K * b ; unsigned int bytes = 0 ; if (chunksize < WAV_BEXT_MIN_CHUNK_SIZE) { psf_log_printf (psf, "bext : %u (should be >= %d)\n", chunksize, WAV_BEXT_MIN_CHUNK_SIZE) ; psf_binheader_readf (psf, "j", chunksize) ; return 0 ; } ; if (chunksize > WAV_BEXT_MAX_CHUNK_SIZE) { psf_log_printf (psf, "bext : %u (should be < %d)\n", chunksize, WAV_BEXT_MAX_CHUNK_SIZE) ; psf_binheader_readf (psf, "j", chunksize) ; return 0 ; } ; if (chunksize >= sizeof (SF_BROADCAST_INFO_16K)) { psf_log_printf (psf, "bext : %u too big to be handled\n", chunksize) ; psf_binheader_readf (psf, "j", chunksize) ; return 0 ; } ; psf_log_printf (psf, "bext : %u\n", chunksize) ; if ((psf->broadcast_16k = broadcast_var_alloc ()) == NULL) { psf->error = SFE_MALLOC_FAILED ; return psf->error ; } ; b = psf->broadcast_16k ; bytes += psf_binheader_readf (psf, "b", b->description, sizeof (b->description)) ; bytes += psf_binheader_readf (psf, "b", b->originator, sizeof (b->originator)) ; bytes += psf_binheader_readf (psf, "b", b->originator_reference, sizeof (b->originator_reference)) ; bytes += psf_binheader_readf (psf, "b", b->origination_date, sizeof (b->origination_date)) ; bytes += psf_binheader_readf (psf, "b", b->origination_time, sizeof (b->origination_time)) ; bytes += psf_binheader_readf (psf, "442", &b->time_reference_low, &b->time_reference_high, &b->version) ; bytes += psf_binheader_readf (psf, "bj", &b->umid, sizeof (b->umid), 190) ; if (chunksize > WAV_BEXT_MIN_CHUNK_SIZE) { /* File has coding history data. */ b->coding_history_size = chunksize - WAV_BEXT_MIN_CHUNK_SIZE ; /* We do not parse the coding history */ bytes += psf_binheader_readf (psf, "b", b->coding_history, b->coding_history_size) ; } ; if (bytes < chunksize) psf_binheader_readf (psf, "j", chunksize - bytes) ; return 0 ; } /* wav_read_bext_chunk */ int wav_write_bext_chunk (SF_PRIVATE *psf) { SF_BROADCAST_INFO_16K *b ; if (psf->broadcast_16k == NULL) return -1 ; b = psf->broadcast_16k ; psf_binheader_writef (psf, "m4", bext_MARKER, WAV_BEXT_MIN_CHUNK_SIZE + b->coding_history_size) ; /* ** Note that it is very important the the field widths of the SF_BROADCAST_INFO ** struct match those for the bext chunk fields. */ psf_binheader_writef (psf, "b", b->description, sizeof (b->description)) ; psf_binheader_writef (psf, "b", b->originator, sizeof (b->originator)) ; psf_binheader_writef (psf, "b", b->originator_reference, sizeof (b->originator_reference)) ; psf_binheader_writef (psf, "b", b->origination_date, sizeof (b->origination_date)) ; psf_binheader_writef (psf, "b", b->origination_time, sizeof (b->origination_time)) ; psf_binheader_writef (psf, "442", b->time_reference_low, b->time_reference_high, b->version) ; psf_binheader_writef (psf, "b", b->umid, sizeof (b->umid)) ; psf_binheader_writef (psf, "z", make_size_t (190)) ; if (b->coding_history_size > 0) psf_binheader_writef (psf, "b", b->coding_history, make_size_t (b->coding_history_size)) ; return 0 ; } /* wav_write_bext_chunk */ static int exif_fill_and_sink (SF_PRIVATE *psf, char* buf, size_t bufsz, size_t toread) { size_t bytesread = 0 ; buf [0] = 0 ; bufsz -= 1 ; if (toread < bufsz) bufsz = toread ; bytesread = psf_binheader_readf (psf, "b", buf, bufsz) ; buf [bufsz] = 0 ; if (bytesread == bufsz && toread > bufsz) bytesread += psf_binheader_readf (psf, "j", toread - bufsz) ; return bytesread ; } /* exif_fill_and_sink */ /* ** Exif specification for audio files, at JEITA CP-3451 Exif 2.2 section 5 ** (Exif Audio File Specification) http://www.exif.org/Exif2-2.PDF */ static int exif_subchunk_parse (SF_PRIVATE *psf, unsigned int length) { unsigned marker, dword, vmajor = -1, vminor = -1, bytesread = 0 ; char buf [4096] ; while (bytesread < length) { bytesread += psf_binheader_readf (psf, "m", &marker) ; switch (marker) { case 0 : /* camera padding? */ break ; case ever_MARKER : bytesread += psf_binheader_readf (psf, "j4", 4, &dword) ; vmajor = 10 * (((dword >> 24) & 0xff) - '0') + (((dword >> 16) & 0xff) - '0') ; vminor = 10 * (((dword >> 8) & 0xff) - '0') + ((dword & 0xff) - '0') ; psf_log_printf (psf, " EXIF Version : %u.%02u\n", vmajor, vminor) ; break ; case emnt_MARKER : /* design information: null-terminated string */ case emdl_MARKER : /* model name ; null-terminated string */ case ecor_MARKER : /* manufacturer: null-terminated string */ case etim_MARKER : /* creation time: null-terminated string in the format "hour:minute:second.subsecond" */ case erel_MARKER : /* relation info: null-terminated string (filename) */ case eucm_MARKER : /* user comment: 4-byte size follows, then possibly unicode data */ psf_binheader_readf (psf, "4", &dword) ; bytesread += sizeof (dword) ; dword += (dword & 1) ; if (dword >= sizeof (buf)) { psf_log_printf (psf, "*** Marker '%M' is too big %u\n\n", marker, dword) ; return bytesread ; } ; bytesread += exif_fill_and_sink (psf, buf, sizeof (buf), dword) ; /* BAD - don't know what's going on here -- maybe a bug in the camera */ /* field should be NULL-terminated but there's no room for it with the reported number */ /* example output: emdl : 8 (EX-Z1050) */ if (marker == emdl_MARKER && dword == strlen (buf) /* should be >= strlen+1*/) { psf_log_printf (psf, " *** field size too small for string (sinking 2 bytes)\n") ; bytesread += psf_binheader_readf (psf, "j", 2) ; } ; psf_log_printf (psf, " %M : %d (%s)\n", marker, dword, buf) ; if (dword > length) return bytesread ; break ; default : psf_log_printf (psf, " *** %M (%d): -- ignored --\n", marker, marker) ; break ; } ; } ; return bytesread ; } /* exif_subchunk_parse */