| /* |
| ** Copyright (C) 2008-2011 Erik de Castro Lopo <erikd@mega-nerd.com> |
| ** Copyright (C) 2009 Uli Franke <cls@nebadje.org> |
| ** |
| ** 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 <stdio.h> |
| #include <fcntl.h> |
| #include <string.h> |
| #include <ctype.h> |
| |
| #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 */ |
| |