diff options
Diffstat (limited to 'src/wav_w64.c')
| -rw-r--r-- | src/wav_w64.c | 578 |
1 files changed, 578 insertions, 0 deletions
diff --git a/src/wav_w64.c b/src/wav_w64.c new file mode 100644 index 0000000..cec6a9b --- /dev/null +++ b/src/wav_w64.c @@ -0,0 +1,578 @@ +/* +** Copyright (C) 1999-2007 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 <string.h> +#include <ctype.h> +#include <time.h> + +#include "sndfile.h" +#include "sfendian.h" +#include "common.h" +#include "wav_w64.h" + +/* 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 +wavex_write_guid_equal (const EXT_SUBFORMAT * first, const EXT_SUBFORMAT * second) +{ return !memcmp (first, second, sizeof (EXT_SUBFORMAT)) ; +} /* wavex_write_guid_equal */ + + + +int +wav_w64_read_fmt_chunk (SF_PRIVATE *psf, int fmtsize) +{ WAV_PRIVATE * wpriv ; + WAV_FMT *wav_fmt ; + int bytesread, k, bytespersec = 0 ; + + if ((wpriv = psf->container_data) == NULL) + return SFE_INTERNAL ; + wav_fmt = &wpriv->wav_fmt ; + + memset (wav_fmt, 0, sizeof (WAV_FMT)) ; + + if (fmtsize < 16) + return SFE_WAV_FMT_SHORT ; + + /* assume psf->rwf_endian is already properly set */ + + /* Read the minimal WAV file header here. */ + bytesread = psf_binheader_readf (psf, "224422", + &(wav_fmt->format), &(wav_fmt->min.channels), + &(wav_fmt->min.samplerate), &(wav_fmt->min.bytespersec), + &(wav_fmt->min.blockalign), &(wav_fmt->min.bitwidth)) ; + + psf_log_printf (psf, " Format : 0x%X => %s\n", wav_fmt->format, wav_w64_format_str (wav_fmt->format)) ; + psf_log_printf (psf, " Channels : %d\n", wav_fmt->min.channels) ; + psf_log_printf (psf, " Sample Rate : %d\n", wav_fmt->min.samplerate) ; + psf_log_printf (psf, " Block Align : %d\n", wav_fmt->min.blockalign) ; + + if (wav_fmt->format == WAVE_FORMAT_PCM && wav_fmt->min.bitwidth == 24 && + wav_fmt->min.blockalign == 4 * wav_fmt->min.channels) + { psf_log_printf (psf, " Bit Width : 24\n") ; + + psf_log_printf (psf, "\n" + " Ambiguous information in 'fmt ' chunk. Possibile file types:\n" + " 0) Invalid IEEE float file generated by Syntrillium's Cooledit!\n" + " 1) File generated by ALSA's arecord containing 24 bit samples in 32 bit containers.\n" + " 2) 24 bit file with incorrect Block Align value.\n" + "\n") ; + + wpriv->fmt_is_broken = 1 ; + } + else if (wav_fmt->min.bitwidth == 0) + { switch (wav_fmt->format) + { case WAVE_FORMAT_GSM610 : + case WAVE_FORMAT_IPP_ITU_G_723_1 : + psf_log_printf (psf, " Bit Width : %d\n", wav_fmt->min.bitwidth) ; + break ; + default : + psf_log_printf (psf, " Bit Width : %d (should not be 0)\n", wav_fmt->min.bitwidth) ; + } + } + else + { switch (wav_fmt->format) + { case WAVE_FORMAT_GSM610 : + case WAVE_FORMAT_IPP_ITU_G_723_1 : + psf_log_printf (psf, " Bit Width : %d (should be 0)\n", wav_fmt->min.bitwidth) ; + break ; + default : + psf_log_printf (psf, " Bit Width : %d\n", wav_fmt->min.bitwidth) ; + } + } ; + + psf->sf.samplerate = wav_fmt->min.samplerate ; + psf->sf.frames = 0 ; /* Correct this when reading data chunk. */ + psf->sf.channels = wav_fmt->min.channels ; + + switch (wav_fmt->format) + { case WAVE_FORMAT_PCM : + case WAVE_FORMAT_IEEE_FLOAT : + bytespersec = wav_fmt->min.samplerate * wav_fmt->min.blockalign ; + if (wav_fmt->min.bytespersec != (unsigned) bytespersec) + psf_log_printf (psf, " Bytes/sec : %d (should be %d)\n", wav_fmt->min.bytespersec, bytespersec) ; + else + psf_log_printf (psf, " Bytes/sec : %d\n", wav_fmt->min.bytespersec) ; + + psf->bytewidth = BITWIDTH2BYTES (wav_fmt->min.bitwidth) ; + break ; + + case WAVE_FORMAT_ALAW : + case WAVE_FORMAT_MULAW : + if (wav_fmt->min.bytespersec / wav_fmt->min.blockalign != wav_fmt->min.samplerate) + psf_log_printf (psf, " Bytes/sec : %d (should be %d)\n", wav_fmt->min.bytespersec, wav_fmt->min.samplerate * wav_fmt->min.blockalign) ; + else + psf_log_printf (psf, " Bytes/sec : %d\n", wav_fmt->min.bytespersec) ; + + psf->bytewidth = 1 ; + if (fmtsize >= 18) + { bytesread += psf_binheader_readf (psf, "2", &(wav_fmt->size20.extrabytes)) ; + psf_log_printf (psf, " Extra Bytes : %d\n", wav_fmt->size20.extrabytes) ; + } ; + break ; + + case WAVE_FORMAT_IMA_ADPCM : + if (wav_fmt->min.bitwidth != 4) + return SFE_WAV_ADPCM_NOT4BIT ; + if (wav_fmt->min.channels < 1 || wav_fmt->min.channels > 2) + return SFE_WAV_ADPCM_CHANNELS ; + + bytesread += + psf_binheader_readf (psf, "22", &(wav_fmt->ima.extrabytes), &(wav_fmt->ima.samplesperblock)) ; + + bytespersec = (wav_fmt->ima.samplerate * wav_fmt->ima.blockalign) / wav_fmt->ima.samplesperblock ; + if (wav_fmt->ima.bytespersec != (unsigned) bytespersec) + psf_log_printf (psf, " Bytes/sec : %d (should be %d)\n", wav_fmt->ima.bytespersec, bytespersec) ; + else + psf_log_printf (psf, " Bytes/sec : %d\n", wav_fmt->ima.bytespersec) ; + + psf->bytewidth = 2 ; + psf_log_printf (psf, " Extra Bytes : %d\n", wav_fmt->ima.extrabytes) ; + psf_log_printf (psf, " Samples/Block : %d\n", wav_fmt->ima.samplesperblock) ; + break ; + + case WAVE_FORMAT_MS_ADPCM : + if (wav_fmt->msadpcm.bitwidth != 4) + return SFE_WAV_ADPCM_NOT4BIT ; + if (wav_fmt->msadpcm.channels < 1 || wav_fmt->msadpcm.channels > 2) + return SFE_WAV_ADPCM_CHANNELS ; + + bytesread += + psf_binheader_readf (psf, "222", &(wav_fmt->msadpcm.extrabytes), + &(wav_fmt->msadpcm.samplesperblock), &(wav_fmt->msadpcm.numcoeffs)) ; + + bytespersec = (wav_fmt->min.samplerate * wav_fmt->min.blockalign) / wav_fmt->msadpcm.samplesperblock ; + if (wav_fmt->min.bytespersec == (unsigned) bytespersec) + psf_log_printf (psf, " Bytes/sec : %d\n", wav_fmt->min.bytespersec) ; + else if (wav_fmt->min.bytespersec == (wav_fmt->min.samplerate / wav_fmt->msadpcm.samplesperblock) * wav_fmt->min.blockalign) + psf_log_printf (psf, " Bytes/sec : %d (should be %d (MS BUG!))\n", wav_fmt->min.bytespersec, bytespersec) ; + else + psf_log_printf (psf, " Bytes/sec : %d (should be %d)\n", wav_fmt->min.bytespersec, bytespersec) ; + + + psf->bytewidth = 2 ; + psf_log_printf (psf, " Extra Bytes : %d\n", wav_fmt->msadpcm.extrabytes) ; + psf_log_printf (psf, " Samples/Block : %d\n", wav_fmt->msadpcm.samplesperblock) ; + if (wav_fmt->msadpcm.numcoeffs > SIGNED_SIZEOF (MS_ADPCM_WAV_FMT) / SIGNED_SIZEOF (int)) + { psf_log_printf (psf, " No. of Coeffs : %d ****\n", wav_fmt->msadpcm.numcoeffs) ; + wav_fmt->msadpcm.numcoeffs = SIGNED_SIZEOF (MS_ADPCM_WAV_FMT) / SIGNED_SIZEOF (int) ; + } + else + psf_log_printf (psf, " No. of Coeffs : %d\n", wav_fmt->msadpcm.numcoeffs) ; + + psf_log_printf (psf, " Index Coeffs1 Coeffs2\n") ; + for (k = 0 ; k < wav_fmt->msadpcm.numcoeffs ; k++) + { bytesread += + psf_binheader_readf (psf, "22", &(wav_fmt->msadpcm.coeffs [k].coeff1), &(wav_fmt->msadpcm.coeffs [k].coeff2)) ; + LSF_SNPRINTF (psf->u.cbuf, sizeof (psf->u.cbuf), " %2d %7d %7d\n", k, wav_fmt->msadpcm.coeffs [k].coeff1, wav_fmt->msadpcm.coeffs [k].coeff2) ; + psf_log_printf (psf, psf->u.cbuf) ; + } ; + break ; + + case WAVE_FORMAT_GSM610 : + if (wav_fmt->gsm610.channels != 1 || wav_fmt->gsm610.blockalign != 65) + return SFE_WAV_GSM610_FORMAT ; + + bytesread += + psf_binheader_readf (psf, "22", &(wav_fmt->gsm610.extrabytes), &(wav_fmt->gsm610.samplesperblock)) ; + + if (wav_fmt->gsm610.samplesperblock != 320) + return SFE_WAV_GSM610_FORMAT ; + + bytespersec = (wav_fmt->gsm610.samplerate * wav_fmt->gsm610.blockalign) / wav_fmt->gsm610.samplesperblock ; + if (wav_fmt->gsm610.bytespersec != (unsigned) bytespersec) + psf_log_printf (psf, " Bytes/sec : %d (should be %d)\n", wav_fmt->gsm610.bytespersec, bytespersec) ; + else + psf_log_printf (psf, " Bytes/sec : %d\n", wav_fmt->gsm610.bytespersec) ; + + psf->bytewidth = 2 ; + psf_log_printf (psf, " Extra Bytes : %d\n", wav_fmt->gsm610.extrabytes) ; + psf_log_printf (psf, " Samples/Block : %d\n", wav_fmt->gsm610.samplesperblock) ; + break ; + + case WAVE_FORMAT_EXTENSIBLE : + if (wav_fmt->ext.bytespersec / wav_fmt->ext.blockalign != wav_fmt->ext.samplerate) + psf_log_printf (psf, " Bytes/sec : %d (should be %d)\n", wav_fmt->ext.bytespersec, wav_fmt->ext.samplerate * wav_fmt->ext.blockalign) ; + else + psf_log_printf (psf, " Bytes/sec : %d\n", wav_fmt->ext.bytespersec) ; + + bytesread += + psf_binheader_readf (psf, "224", &(wav_fmt->ext.extrabytes), &(wav_fmt->ext.validbits), + &(wav_fmt->ext.channelmask)) ; + + psf_log_printf (psf, " Valid Bits : %d\n", wav_fmt->ext.validbits) ; + psf_log_printf (psf, " Channel Mask : 0x%X\n", wav_fmt->ext.channelmask) ; + + bytesread += + psf_binheader_readf (psf, "422", &(wav_fmt->ext.esf.esf_field1), &(wav_fmt->ext.esf.esf_field2), + &(wav_fmt->ext.esf.esf_field3)) ; + + /* compare the esf_fields with each known GUID? and print? */ + psf_log_printf (psf, " Subformat\n") ; + psf_log_printf (psf, " esf_field1 : 0x%X\n", wav_fmt->ext.esf.esf_field1) ; + psf_log_printf (psf, " esf_field2 : 0x%X\n", wav_fmt->ext.esf.esf_field2) ; + psf_log_printf (psf, " esf_field3 : 0x%X\n", wav_fmt->ext.esf.esf_field3) ; + psf_log_printf (psf, " esf_field4 : ") ; + for (k = 0 ; k < 8 ; k++) + { bytesread += psf_binheader_readf (psf, "1", &(wav_fmt->ext.esf.esf_field4 [k])) ; + psf_log_printf (psf, "0x%X ", wav_fmt->ext.esf.esf_field4 [k] & 0xFF) ; + } ; + psf_log_printf (psf, "\n") ; + psf->bytewidth = BITWIDTH2BYTES (wav_fmt->ext.bitwidth) ; + + /* Compare GUIDs for known ones. */ + if (wavex_write_guid_equal (&wav_fmt->ext.esf, &MSGUID_SUBTYPE_PCM) + || wavex_write_guid_equal (&wav_fmt->ext.esf, &MSGUID_SUBTYPE_AMBISONIC_B_FORMAT_PCM)) + { psf->sf.format = SF_FORMAT_WAVEX | u_bitwidth_to_subformat (psf->bytewidth * 8) ; + psf_log_printf (psf, " format : pcm\n") ; + } + else if (wavex_write_guid_equal (&wav_fmt->ext.esf, &MSGUID_SUBTYPE_MS_ADPCM)) + { psf->sf.format = (SF_FORMAT_WAVEX | SF_FORMAT_MS_ADPCM) ; + psf_log_printf (psf, " format : ms adpcm\n") ; + } + else if (wavex_write_guid_equal (&wav_fmt->ext.esf, &MSGUID_SUBTYPE_IEEE_FLOAT) + || wavex_write_guid_equal (&wav_fmt->ext.esf, &MSGUID_SUBTYPE_AMBISONIC_B_FORMAT_IEEE_FLOAT)) + { psf->sf.format = SF_FORMAT_WAVEX | ((psf->bytewidth == 8) ? SF_FORMAT_DOUBLE : SF_FORMAT_FLOAT) ; + psf_log_printf (psf, " format : IEEE float\n") ; + } + else if (wavex_write_guid_equal (&wav_fmt->ext.esf, &MSGUID_SUBTYPE_ALAW)) + { psf->sf.format = (SF_FORMAT_WAVEX | SF_FORMAT_ALAW) ; + psf_log_printf (psf, " format : A-law\n") ; + } + else if (wavex_write_guid_equal (&wav_fmt->ext.esf, &MSGUID_SUBTYPE_MULAW)) + { psf->sf.format = (SF_FORMAT_WAVEX | SF_FORMAT_ULAW) ; + psf_log_printf (psf, " format : u-law\n") ; + } + else + return SFE_UNIMPLEMENTED ; + + psf->wavex_ambisonic = wavex_write_guid_equal (&wav_fmt->ext.esf, &MSGUID_SUBTYPE_AMBISONIC_B_FORMAT_PCM) + || wavex_write_guid_equal (&wav_fmt->ext.esf, &MSGUID_SUBTYPE_AMBISONIC_B_FORMAT_IEEE_FLOAT) ; + break ; + + case WAVE_FORMAT_G721_ADPCM : + psf_log_printf (psf, " Bytes/sec : %d\n", wav_fmt->g72x.bytespersec) ; + if (fmtsize >= 20) + { bytesread += psf_binheader_readf (psf, "22", &(wav_fmt->g72x.extrabytes), &(wav_fmt->g72x.auxblocksize)) ; + if (wav_fmt->g72x.extrabytes == 0) + psf_log_printf (psf, " Extra Bytes : %d (should be 2)\n", wav_fmt->g72x.extrabytes) ; + else + psf_log_printf (psf, " Extra Bytes : %d\n", wav_fmt->g72x.extrabytes) ; + psf_log_printf (psf, " Aux Blk Size : %d\n", wav_fmt->g72x.auxblocksize) ; + } + else if (fmtsize == 18) + { bytesread += psf_binheader_readf (psf, "2", &(wav_fmt->g72x.extrabytes)) ; + psf_log_printf (psf, " Extra Bytes : %d%s\n", wav_fmt->g72x.extrabytes, wav_fmt->g72x.extrabytes != 0 ? " (should be 0)" : "") ; + } + else + psf_log_printf (psf, "*** 'fmt ' chunk should be bigger than this!\n") ; + break ; + + default : + psf_log_printf (psf, "*** No 'fmt ' chunk dumper for this format!\n") ; + break ; + } ; + + if (bytesread > fmtsize) + { psf_log_printf (psf, "*** wav_w64_read_fmt_chunk (bytesread > fmtsize)\n") ; + return SFE_W64_FMT_SHORT ; + } + else + psf_binheader_readf (psf, "j", fmtsize - bytesread) ; + + psf->blockwidth = wav_fmt->min.channels * psf->bytewidth ; + + return 0 ; +} /* wav_w64_read_fmt_chunk */ + +void +wavex_write_guid (SF_PRIVATE *psf, const EXT_SUBFORMAT * subformat) +{ + psf_binheader_writef (psf, "422b", subformat->esf_field1, + subformat->esf_field2, subformat->esf_field3, + subformat->esf_field4, make_size_t (8)) ; +} /* wavex_write_guid */ + +void +wav_w64_analyze (SF_PRIVATE *psf) +{ AUDIO_DETECT ad ; + int format = 0 ; + + if (psf->is_pipe) + { psf_log_printf (psf, "*** Error : Reading from a pipe. Can't analyze data section to figure out real data format.\n\n") ; + return ; + } ; + + psf_log_printf (psf, "---------------------------------------------------\n" + "Format is known to be broken. Using detection code.\n") ; + + /* Code goes here. */ + ad.endianness = SF_ENDIAN_LITTLE ; + ad.channels = psf->sf.channels ; + + psf_fseek (psf, 3 * 4 * 50, SEEK_SET) ; + + while (psf_fread (psf->u.ucbuf, 1, 4096, psf) == 4096) + { format = audio_detect (psf, &ad, psf->u.ucbuf, 4096) ; + if (format != 0) + break ; + } ; + + /* Seek to start of DATA section. */ + psf_fseek (psf, psf->dataoffset, SEEK_SET) ; + + if (format == 0) + { psf_log_printf (psf, "wav_w64_analyze : detection failed.\n") ; + return ; + } ; + + switch (format) + { case SF_FORMAT_PCM_32 : + case SF_FORMAT_FLOAT : + psf_log_printf (psf, "wav_w64_analyze : found format : 0x%X\n", format) ; + psf->sf.format = (psf->sf.format & ~SF_FORMAT_SUBMASK) + format ; + psf->bytewidth = 4 ; + psf->blockwidth = psf->sf.channels * psf->bytewidth ; + break ; + + case SF_FORMAT_PCM_24 : + psf_log_printf (psf, "wav_w64_analyze : found format : 0x%X\n", format) ; + psf->sf.format = (psf->sf.format & ~SF_FORMAT_SUBMASK) + format ; + psf->bytewidth = 3 ; + psf->blockwidth = psf->sf.channels * psf->bytewidth ; + break ; + + default : + psf_log_printf (psf, "wav_w64_analyze : unhandled format : 0x%X\n", format) ; + break ; + } ; + + return ; +} /* wav_w64_analyze */ + +/*============================================================================== +*/ + +typedef struct +{ int ID ; + const char *name ; +} WAV_FORMAT_DESC ; + +#define STR(x) #x +#define FORMAT_TYPE(x) { x, STR (x) } + +static WAV_FORMAT_DESC wave_descs [] = +{ FORMAT_TYPE (WAVE_FORMAT_PCM), + FORMAT_TYPE (WAVE_FORMAT_MS_ADPCM), + FORMAT_TYPE (WAVE_FORMAT_IEEE_FLOAT), + FORMAT_TYPE (WAVE_FORMAT_VSELP), + FORMAT_TYPE (WAVE_FORMAT_IBM_CVSD), + FORMAT_TYPE (WAVE_FORMAT_ALAW), + FORMAT_TYPE (WAVE_FORMAT_MULAW), + FORMAT_TYPE (WAVE_FORMAT_OKI_ADPCM), + FORMAT_TYPE (WAVE_FORMAT_IMA_ADPCM), + FORMAT_TYPE (WAVE_FORMAT_MEDIASPACE_ADPCM), + FORMAT_TYPE (WAVE_FORMAT_SIERRA_ADPCM), + FORMAT_TYPE (WAVE_FORMAT_G723_ADPCM), + FORMAT_TYPE (WAVE_FORMAT_DIGISTD), + FORMAT_TYPE (WAVE_FORMAT_DIGIFIX), + FORMAT_TYPE (WAVE_FORMAT_DIALOGIC_OKI_ADPCM), + FORMAT_TYPE (WAVE_FORMAT_MEDIAVISION_ADPCM), + FORMAT_TYPE (WAVE_FORMAT_CU_CODEC), + FORMAT_TYPE (WAVE_FORMAT_YAMAHA_ADPCM), + FORMAT_TYPE (WAVE_FORMAT_SONARC), + FORMAT_TYPE (WAVE_FORMAT_DSPGROUP_TRUESPEECH), + FORMAT_TYPE (WAVE_FORMAT_ECHOSC1), + FORMAT_TYPE (WAVE_FORMAT_AUDIOFILE_AF36), + FORMAT_TYPE (WAVE_FORMAT_APTX), + FORMAT_TYPE (WAVE_FORMAT_AUDIOFILE_AF10), + FORMAT_TYPE (WAVE_FORMAT_PROSODY_1612), + FORMAT_TYPE (WAVE_FORMAT_LRC), + FORMAT_TYPE (WAVE_FORMAT_DOLBY_AC2), + FORMAT_TYPE (WAVE_FORMAT_GSM610), + FORMAT_TYPE (WAVE_FORMAT_MSNAUDIO), + FORMAT_TYPE (WAVE_FORMAT_ANTEX_ADPCME), + FORMAT_TYPE (WAVE_FORMAT_CONTROL_RES_VQLPC), + FORMAT_TYPE (WAVE_FORMAT_DIGIREAL), + FORMAT_TYPE (WAVE_FORMAT_DIGIADPCM), + FORMAT_TYPE (WAVE_FORMAT_CONTROL_RES_CR10), + FORMAT_TYPE (WAVE_FORMAT_NMS_VBXADPCM), + FORMAT_TYPE (WAVE_FORMAT_ROLAND_RDAC), + FORMAT_TYPE (WAVE_FORMAT_ECHOSC3), + FORMAT_TYPE (WAVE_FORMAT_ROCKWELL_ADPCM), + FORMAT_TYPE (WAVE_FORMAT_ROCKWELL_DIGITALK), + FORMAT_TYPE (WAVE_FORMAT_XEBEC), + FORMAT_TYPE (WAVE_FORMAT_G721_ADPCM), + FORMAT_TYPE (WAVE_FORMAT_G728_CELP), + FORMAT_TYPE (WAVE_FORMAT_MSG723), + FORMAT_TYPE (WAVE_FORMAT_MPEG), + FORMAT_TYPE (WAVE_FORMAT_RT24), + FORMAT_TYPE (WAVE_FORMAT_PAC), + FORMAT_TYPE (WAVE_FORMAT_MPEGLAYER3), + FORMAT_TYPE (WAVE_FORMAT_LUCENT_G723), + FORMAT_TYPE (WAVE_FORMAT_CIRRUS), + FORMAT_TYPE (WAVE_FORMAT_ESPCM), + FORMAT_TYPE (WAVE_FORMAT_VOXWARE), + FORMAT_TYPE (WAVE_FORMAT_CANOPUS_ATRAC), + FORMAT_TYPE (WAVE_FORMAT_G726_ADPCM), + FORMAT_TYPE (WAVE_FORMAT_G722_ADPCM), + FORMAT_TYPE (WAVE_FORMAT_DSAT), + FORMAT_TYPE (WAVE_FORMAT_DSAT_DISPLAY), + FORMAT_TYPE (WAVE_FORMAT_VOXWARE_BYTE_ALIGNED), + FORMAT_TYPE (WAVE_FORMAT_VOXWARE_AC8), + FORMAT_TYPE (WAVE_FORMAT_VOXWARE_AC10), + FORMAT_TYPE (WAVE_FORMAT_VOXWARE_AC16), + FORMAT_TYPE (WAVE_FORMAT_VOXWARE_AC20), + FORMAT_TYPE (WAVE_FORMAT_VOXWARE_RT24), + FORMAT_TYPE (WAVE_FORMAT_VOXWARE_RT29), + FORMAT_TYPE (WAVE_FORMAT_VOXWARE_RT29HW), + FORMAT_TYPE (WAVE_FORMAT_VOXWARE_VR12), + FORMAT_TYPE (WAVE_FORMAT_VOXWARE_VR18), + FORMAT_TYPE (WAVE_FORMAT_VOXWARE_TQ40), + FORMAT_TYPE (WAVE_FORMAT_SOFTSOUND), + FORMAT_TYPE (WAVE_FORMAT_VOXARE_TQ60), + FORMAT_TYPE (WAVE_FORMAT_MSRT24), + FORMAT_TYPE (WAVE_FORMAT_G729A), + FORMAT_TYPE (WAVE_FORMAT_MVI_MV12), + FORMAT_TYPE (WAVE_FORMAT_DF_G726), + FORMAT_TYPE (WAVE_FORMAT_DF_GSM610), + FORMAT_TYPE (WAVE_FORMAT_ONLIVE), + FORMAT_TYPE (WAVE_FORMAT_SBC24), + FORMAT_TYPE (WAVE_FORMAT_DOLBY_AC3_SPDIF), + FORMAT_TYPE (WAVE_FORMAT_ZYXEL_ADPCM), + FORMAT_TYPE (WAVE_FORMAT_PHILIPS_LPCBB), + FORMAT_TYPE (WAVE_FORMAT_PACKED), + FORMAT_TYPE (WAVE_FORMAT_RHETOREX_ADPCM), + FORMAT_TYPE (IBM_FORMAT_MULAW), + FORMAT_TYPE (IBM_FORMAT_ALAW), + FORMAT_TYPE (IBM_FORMAT_ADPCM), + FORMAT_TYPE (WAVE_FORMAT_VIVO_G723), + FORMAT_TYPE (WAVE_FORMAT_VIVO_SIREN), + FORMAT_TYPE (WAVE_FORMAT_DIGITAL_G723), + FORMAT_TYPE (WAVE_FORMAT_CREATIVE_ADPCM), + FORMAT_TYPE (WAVE_FORMAT_CREATIVE_FASTSPEECH8), + FORMAT_TYPE (WAVE_FORMAT_CREATIVE_FASTSPEECH10), + FORMAT_TYPE (WAVE_FORMAT_QUARTERDECK), + FORMAT_TYPE (WAVE_FORMAT_FM_TOWNS_SND), + FORMAT_TYPE (WAVE_FORMAT_BZV_DIGITAL), + FORMAT_TYPE (WAVE_FORMAT_VME_VMPCM), + FORMAT_TYPE (WAVE_FORMAT_OLIGSM), + FORMAT_TYPE (WAVE_FORMAT_OLIADPCM), + FORMAT_TYPE (WAVE_FORMAT_OLICELP), + FORMAT_TYPE (WAVE_FORMAT_OLISBC), + FORMAT_TYPE (WAVE_FORMAT_OLIOPR), + FORMAT_TYPE (WAVE_FORMAT_LH_CODEC), + FORMAT_TYPE (WAVE_FORMAT_NORRIS), + FORMAT_TYPE (WAVE_FORMAT_SOUNDSPACE_MUSICOMPRESS), + FORMAT_TYPE (WAVE_FORMAT_DVM), + FORMAT_TYPE (WAVE_FORMAT_INTERWAV_VSC112), + FORMAT_TYPE (WAVE_FORMAT_IPP_ITU_G_723_1), + FORMAT_TYPE (WAVE_FORMAT_EXTENSIBLE), +} ; + +char const* +wav_w64_format_str (int k) +{ int lower, upper, mid ; + + lower = -1 ; + upper = sizeof (wave_descs) / sizeof (WAV_FORMAT_DESC) ; + + /* binary search */ + if ((wave_descs [0].ID <= k) && (k <= wave_descs [upper - 1].ID)) + { + while (lower + 1 < upper) + { mid = (upper + lower) / 2 ; + + if (k == wave_descs [mid].ID) + return wave_descs [mid].name ; + if (k < wave_descs [mid].ID) + upper = mid ; + else + lower = mid ; + } ; + } ; + + return "Unknown format" ; +} /* wav_w64_format_str */ + +int +wav_w64_srate2blocksize (int srate_chan_product) +{ if (srate_chan_product < 12000) + return 256 ; + if (srate_chan_product < 23000) + return 512 ; + if (srate_chan_product < 44000) + return 1024 ; + return 2048 ; +} /* srate2blocksize */ +/* +** Do not edit or modify anything in this comment block. +** The arch-tag line is a file identity tag for the GNU Arch +** revision control system. +** +** arch-tag: 43c1b1dd-8abd-43da-a8cd-44da914b64a5 +*/ |