X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/1059e1cc0c2ecfa237406949aa26155b6a5b9154..66f23d4fabf89ad09adbd4dfc15ac6b5b2b7da83:/interpreter/lib/src/libsndfile-1.0.25/src/rf64.c diff --git a/interpreter/lib/src/libsndfile-1.0.25/src/rf64.c b/interpreter/lib/src/libsndfile-1.0.25/src/rf64.c new file mode 100644 index 0000000..d40bfab --- /dev/null +++ b/interpreter/lib/src/libsndfile-1.0.25/src/rf64.c @@ -0,0 +1,716 @@ +/* +** Copyright (C) 2008-2011 Erik de Castro Lopo +** Copyright (C) 2009 Uli Franke +** +** 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. +*/ + +/* +** This format documented at: +** http://www.sr.se/utveckling/tu/bwf/prog/RF_64v1_4.pdf +** +** But this may be a better reference: +** http://www.ebu.ch/CMSimages/en/tec_doc_t3306-2007_tcm6-42570.pdf +*/ + +#include "sfconfig.h" + +#include +#include +#include +#include + +#include "sndfile.h" +#include "sfendian.h" +#include "common.h" +#include "wav_w64.h" + +/*------------------------------------------------------------------------------ +** Macros to handle big/little endian issues. +*/ +#define RF64_MARKER MAKE_MARKER ('R', 'F', '6', '4') +#define FFFF_MARKER MAKE_MARKER (0xff, 0xff, 0xff, 0xff) +#define WAVE_MARKER MAKE_MARKER ('W', 'A', 'V', 'E') +#define ds64_MARKER MAKE_MARKER ('d', 's', '6', '4') +#define fmt_MARKER MAKE_MARKER ('f', 'm', 't', ' ') +#define fact_MARKER MAKE_MARKER ('f', 'a', 'c', 't') +#define data_MARKER MAKE_MARKER ('d', 'a', 't', 'a') + +#define bext_MARKER MAKE_MARKER ('b', 'e', 'x', 't') +#define OggS_MARKER MAKE_MARKER ('O', 'g', 'g', 'S') +#define wvpk_MARKER MAKE_MARKER ('w', 'v', 'p', 'k') + +/*------------------------------------------------------------------------------ +** Typedefs. +*/ + +/*------------------------------------------------------------------------------ +** Private static functions. +*/ + +static int rf64_read_header (SF_PRIVATE *psf, int *blockalign, int *framesperblock) ; +static int rf64_write_header (SF_PRIVATE *psf, int calc_length) ; +static int rf64_close (SF_PRIVATE *psf) ; +static int rf64_command (SF_PRIVATE *psf, int command, void * UNUSED (data), int datasize) ; + +/*------------------------------------------------------------------------------ +** Public function. +*/ + +int +rf64_open (SF_PRIVATE *psf) +{ WAV_PRIVATE *wpriv ; + int subformat, error = 0 ; + int blockalign, framesperblock ; + + if ((wpriv = calloc (1, sizeof (WAV_PRIVATE))) == NULL) + return SFE_MALLOC_FAILED ; + psf->container_data = wpriv ; + wpriv->wavex_ambisonic = SF_AMBISONIC_NONE ; + + /* All RF64 files are little endian. */ + psf->endian = SF_ENDIAN_LITTLE ; + + + if (psf->file.mode == SFM_READ || (psf->file.mode == SFM_RDWR && psf->filelength > 0)) + { if ((error = rf64_read_header (psf, &blockalign, &framesperblock)) != 0) + return error ; + } ; + + if ((psf->sf.format & SF_FORMAT_TYPEMASK) != SF_FORMAT_RF64) + return SFE_BAD_OPEN_FORMAT ; + + subformat = psf->sf.format & SF_FORMAT_SUBMASK ; + + if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR) + { if (psf->is_pipe) + return SFE_NO_PIPE_WRITE ; + + psf->blockwidth = psf->bytewidth * psf->sf.channels ; + + if ((error = rf64_write_header (psf, SF_FALSE))) + return error ; + + psf->write_header = rf64_write_header ; + } ; + + psf->container_close = rf64_close ; + psf->command = rf64_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 ; + + /* Lite remove end */ + + default : return SFE_UNIMPLEMENTED ; + } ; + + return error ; +} /* rf64_open */ + +/*------------------------------------------------------------------------------ +*/ +enum +{ HAVE_ds64 = 0x01, + HAVE_fmt = 0x02, + HAVE_bext = 0x04, + HAVE_data = 0x08 +} ; + +#define HAVE_CHUNK(CHUNK) ((parsestage & CHUNK) != 0) + +static int +rf64_read_header (SF_PRIVATE *psf, int *blockalign, int *framesperblock) +{ WAV_PRIVATE *wpriv ; + WAV_FMT *wav_fmt ; + sf_count_t riff_size = 0, frame_count = 0, ds64_datalength = 0 ; + unsigned int size32, parsestage = 0 ; + int marker, marks [2], error, done = 0, format = 0 ; + + 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, "pmmm", 0, &marker, marks, marks + 1) ; + if (marker != RF64_MARKER || marks [1] != WAVE_MARKER) + return SFE_RF64_NOT_RF64 ; + + if (marks [0] == FFFF_MARKER) + psf_log_printf (psf, "%M\n %M\n", RF64_MARKER, WAVE_MARKER) ; + else + psf_log_printf (psf, "%M : 0x%x (should be 0xFFFFFFFF)\n %M\n", RF64_MARKER, WAVE_MARKER) ; + + while (NOT (done)) + { psf_binheader_readf (psf, "em4", &marker, &size32) ; + + switch (marker) + { case ds64_MARKER : + { unsigned int table_len, bytesread ; + + /* Read ds64 sizes (3 8-byte words). */ + bytesread = psf_binheader_readf (psf, "888", &riff_size, &ds64_datalength, &frame_count) ; + + /* Read table length. */ + bytesread += psf_binheader_readf (psf, "4", &table_len) ; + /* Skip table for now. (this was "table_len + 4", why?) */ + bytesread += psf_binheader_readf (psf, "j", table_len) ; + + if (size32 == bytesread) + psf_log_printf (psf, "%M : %u\n", marker, size32) ; + else if (size32 >= bytesread + 4) + { unsigned int next ; + psf_binheader_readf (psf, "m", &next) ; + if (next == fmt_MARKER) + { psf_log_printf (psf, "%M : %u (should be %u)\n", marker, size32, bytesread) ; + psf_binheader_readf (psf, "j", -4) ; + } + else + { psf_log_printf (psf, "%M : %u\n", marker, size32) ; + psf_binheader_readf (psf, "j", size32 - bytesread - 4) ; + } ; + } ; + + if (psf->filelength != riff_size + 8) + psf_log_printf (psf, " Riff size : %D (should be %D)\n", riff_size, psf->filelength - 8) ; + else + psf_log_printf (psf, " Riff size : %D\n", riff_size) ; + + psf_log_printf (psf, " Data size : %D\n", ds64_datalength) ; + + psf_log_printf (psf, " Frames : %D\n", frame_count) ; + psf_log_printf (psf, " Table length : %u\n", table_len) ; + + } ; + parsestage |= HAVE_ds64 ; + break ; + + case fmt_MARKER: + psf_log_printf (psf, "%M : %u\n", marker, size32) ; + if ((error = wav_w64_read_fmt_chunk (psf, size32)) != 0) + return error ; + format = wav_fmt->format ; + parsestage |= HAVE_fmt ; + break ; + + case bext_MARKER : + if ((error = wav_read_bext_chunk (psf, size32)) != 0) + return error ; + parsestage |= HAVE_bext ; + break ; + + case data_MARKER : + /* see wav for more sophisticated parsing -> implement state machine with parsestage */ + + if (HAVE_CHUNK (HAVE_ds64)) + { if (size32 == 0xffffffff) + psf_log_printf (psf, "%M : 0x%x\n", marker, size32) ; + else + psf_log_printf (psf, "%M : 0x%x (should be 0xffffffff\n", marker, size32) ; + psf->datalength = ds64_datalength ; + } + else + { if (size32 == 0xffffffff) + { psf_log_printf (psf, "%M : 0x%x\n", marker, size32) ; + psf_log_printf (psf, " *** Data length not specified no 'ds64' chunk.\n") ; + } + else + { psf_log_printf (psf, "%M : 0x%x\n**** Weird, RF64 file without a 'ds64' chunk and no valid 'data' size.\n", marker, size32) ; + psf->datalength = size32 ; + } ; + } ; + + psf->dataoffset = psf_ftell (psf) ; + + if (psf->dataoffset > 0) + { if (size32 == 0 && riff_size == 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 ; + } ; + + /* 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 (NOT (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 ; + } ; + break ; + + default : + if (isprint ((marker >> 24) & 0xFF) && isprint ((marker >> 16) & 0xFF) + && isprint ((marker >> 8) & 0xFF) && isprint (marker & 0xFF)) + { psf_log_printf (psf, "*** %M : %d (unknown marker)\n", marker, size32) ; + if (size32 < 8) + done = SF_TRUE ; + psf_binheader_readf (psf, "j", size32) ; + break ; + } ; + if (psf_ftell (psf) & 0x03) + { psf_log_printf (psf, " Unknown chunk marker at position 0x%x. Resynching.\n", size32 - 4) ; + psf_binheader_readf (psf, "j", -3) ; + break ; + } ; + psf_log_printf (psf, "*** Unknown chunk marker (0x%X) at position 0x%X. Exiting parser.\n", marker, psf_ftell (psf) - 4) ; + done = SF_TRUE ; + break ; + } ; /* switch (marker) */ + + if (psf_ftell (psf) >= psf->filelength - SIGNED_SIZEOF (marker)) + { psf_log_printf (psf, "End\n") ; + break ; + } ; + } ; + + 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 ; + } ; + + if (frame_count != psf->sf.frames) + psf_log_printf (psf, "*** Calculated frame count %d does not match value from 'ds64' chunk of %d.\n", psf->sf.frames, frame_count) ; + + switch (format) + { + case WAVE_FORMAT_EXTENSIBLE : + + /* with WAVE_FORMAT_EXTENSIBLE the psf->sf.format field is already set. We just have to set the major to rf64 */ + psf->sf.format = (psf->sf.format & ~SF_FORMAT_TYPEMASK ) | SF_FORMAT_RF64 ; + + 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_RF64 | u_bitwidth_to_subformat (psf->bytewidth * 8) ; + break ; + + case WAVE_FORMAT_MULAW : + case IBM_FORMAT_MULAW : + psf->sf.format = (SF_FORMAT_RF64 | SF_FORMAT_ULAW) ; + break ; + + case WAVE_FORMAT_ALAW : + case IBM_FORMAT_ALAW : + psf->sf.format = (SF_FORMAT_RF64 | SF_FORMAT_ALAW) ; + break ; + + case WAVE_FORMAT_MS_ADPCM : + psf->sf.format = (SF_FORMAT_RF64 | 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_RF64 | SF_FORMAT_IMA_ADPCM) ; + *blockalign = wav_fmt->ima.blockalign ; + *framesperblock = wav_fmt->ima.samplesperblock ; + break ; + + case WAVE_FORMAT_GSM610 : + psf->sf.format = (SF_FORMAT_RF64 | SF_FORMAT_GSM610) ; + break ; + + case WAVE_FORMAT_IEEE_FLOAT : + psf->sf.format = SF_FORMAT_RF64 ; + psf->sf.format |= (psf->bytewidth == 8) ? SF_FORMAT_DOUBLE : SF_FORMAT_FLOAT ; + break ; + + case WAVE_FORMAT_G721_ADPCM : + psf->sf.format = SF_FORMAT_RF64 | 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 ; +} /* rf64_read_header */ + +/* 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 } +} ; + + +static int +rf64_write_fmt_chunk (SF_PRIVATE *psf) +{ WAV_PRIVATE *wpriv ; + int subformat, fmt_size ; + + if ((wpriv = psf->container_data) == NULL) + return SFE_INTERNAL ; + + subformat = psf->sf.format & SF_FORMAT_SUBMASK ; + + /* 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) ; + break ; + + case SF_FORMAT_ULAW : + wavex_write_guid (psf, &MSGUID_SUBTYPE_MULAW) ; + break ; + + case SF_FORMAT_ALAW : + wavex_write_guid (psf, &MSGUID_SUBTYPE_ALAW) ; + break ; + + default : return SFE_UNIMPLEMENTED ; + } ; + + return 0 ; +} /* rf64_write_fmt_chunk */ + + +static int +rf64_write_header (SF_PRIVATE *psf, int calc_length) +{ sf_count_t current ; + int error = 0, has_data = SF_FALSE ; + + current = psf_ftell (psf) ; + + if (psf->dataoffset > 0 && 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) ; + + psf_binheader_writef (psf, "em4m", RF64_MARKER, 0xffffffff, WAVE_MARKER) ; + + /* Currently no table. */ + psf_binheader_writef (psf, "m48884", ds64_MARKER, 28, psf->filelength - 8, psf->datalength, psf->sf.frames, 0) ; + + /* WAVE and 'fmt ' markers. */ + psf_binheader_writef (psf, "m", fmt_MARKER) ; + + /* Write the 'fmt ' chunk. */ + switch (psf->sf.format & SF_FORMAT_TYPEMASK) + { case SF_FORMAT_WAV : + psf_log_printf (psf, "ooops SF_FORMAT_WAV\n") ; + return SFE_UNIMPLEMENTED ; + break ; + + case SF_FORMAT_WAVEX : + case SF_FORMAT_RF64 : + if ((error = rf64_write_fmt_chunk (psf)) != 0) + return error ; + break ; + + default : + return SFE_UNIMPLEMENTED ; + } ; + + if (psf->broadcast_16k != NULL) + wav_write_bext_chunk (psf) ; + +#if 0 + /* 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_info != 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) ; + psf_binheader_writef (psf, "44", 0, psf->instrument->loops [tmp].count) ; + } ; + } ; + + if (psf->headindex + 8 < psf->dataoffset) + { /* Add PAD data if necessary. */ + k = psf->dataoffset - 16 - psf->headindex ; + psf_binheader_writef (psf, "m4z", PAD_MARKER, k, make_size_t (k)) ; + } ; + +#endif + + psf_binheader_writef (psf, "m4", data_MARKER, 0xffffffff) ; + + psf_fwrite (psf->header, psf->headindex, 1, psf) ; + if (psf->error) + return psf->error ; + + if (has_data && psf->dataoffset != psf->headindex) + { printf ("Oooops : has_data && psf->dataoffset != psf->headindex\n") ; + return psf->error = SFE_INTERNAL ; + } ; + + psf->dataoffset = psf->headindex ; + + if (NOT (has_data)) + psf_fseek (psf, psf->dataoffset, SEEK_SET) ; + else if (current > 0) + psf_fseek (psf, current, SEEK_SET) ; + + return psf->error ; +} /* rf64_write_header */ + +static int +rf64_close (SF_PRIVATE *psf) +{ + if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR) + { // rf64_write_tailer (psf) ; + + psf->write_header (psf, SF_TRUE) ; + } ; + + return 0 ; +} /* rf64_close */ + +static int +rf64_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 ; +} /* rf64_command */ +