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third-party-mirror/libsndfile/refs/heads/main/./src/wavlike.c
blob: 7acdc80e768c0e25d48d8404390567594a1199f9 [file] [edit]
/*
** Copyright (C) 1999-2020 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 "wavlike.h"
#define WAV_BEXT_MIN_CHUNK_SIZE 602
#define WAV_BEXT_MAX_CHUNK_SIZE (10 * 1024)
#define WAV_CART_MIN_CHUNK_SIZE 2048
#define WAV_CART_MAX_CHUNK_SIZE 0xffffffff
static int exif_subchunk_parse (SF_PRIVATE *psf, uint32_t length) ;
/* 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
/* This stores which bit in dwChannelMask maps to which channel */
static const struct chanmap_s
{ int id ;
const char * name ;
} channel_mask_bits [] =
{ /* WAVEFORMATEXTENSIBLE doesn't distuingish FRONT_LEFT from LEFT */
{ SF_CHANNEL_MAP_LEFT, "L" },
{ SF_CHANNEL_MAP_RIGHT, "R" },
{ SF_CHANNEL_MAP_CENTER, "C" },
{ SF_CHANNEL_MAP_LFE, "LFE" },
{ SF_CHANNEL_MAP_REAR_LEFT, "Ls" },
{ SF_CHANNEL_MAP_REAR_RIGHT, "Rs" },
{ SF_CHANNEL_MAP_FRONT_LEFT_OF_CENTER, "Lc" },
{ SF_CHANNEL_MAP_FRONT_RIGHT_OF_CENTER, "Rc" },
{ SF_CHANNEL_MAP_REAR_CENTER, "Cs" },
{ SF_CHANNEL_MAP_SIDE_LEFT, "Sl" },
{ SF_CHANNEL_MAP_SIDE_RIGHT, "Sr" },
{ SF_CHANNEL_MAP_TOP_CENTER, "Tc" },
{ SF_CHANNEL_MAP_TOP_FRONT_LEFT, "Tfl" },
{ SF_CHANNEL_MAP_TOP_FRONT_CENTER, "Tfc" },
{ SF_CHANNEL_MAP_TOP_FRONT_RIGHT, "Tfr" },
{ SF_CHANNEL_MAP_TOP_REAR_LEFT, "Trl" },
{ SF_CHANNEL_MAP_TOP_REAR_CENTER, "Trc" },
{ SF_CHANNEL_MAP_TOP_REAR_RIGHT, "Trr" },
} ;
/*------------------------------------------------------------------------------
* Private static functions.
*/
static int
wavex_guid_equal (const EXT_SUBFORMAT * first, const EXT_SUBFORMAT * second)
{ return !memcmp (first, second, sizeof (EXT_SUBFORMAT)) ;
} /* wavex_guid_equal */
int
wavlike_read_fmt_chunk (SF_PRIVATE *psf, int fmtsize)
{ WAVLIKE_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, wavlike_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) ;
if (wav_fmt->format == WAVE_FORMAT_PCM && wav_fmt->min.blockalign == 0
&& wav_fmt->min.bitwidth > 0 && wav_fmt->min.channels > 0)
{ wav_fmt->min.blockalign = wav_fmt->min.bitwidth / 8 + (wav_fmt->min.bitwidth % 8 > 0 ? 1 : 0) ;
wav_fmt->min.blockalign *= wav_fmt->min.channels ;
psf_log_printf (psf, " Block Align : 0 (should be %d)\n", wav_fmt->min.blockalign) ;
}
else
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 :
case WAVE_FORMAT_MPEGLAYER3 :
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 :
case WAVE_FORMAT_MPEGLAYER3 :
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.samplerate * wav_fmt->min.blockalign)
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)) ;
psf_log_printf (psf, " Extra Bytes : %d\n", wav_fmt->ima.extrabytes) ;
if (wav_fmt->ima.samplesperblock < 1)
{ psf_log_printf (psf, " Samples/Block : %d (should be > 0)\n", wav_fmt->ima.samplesperblock) ;
return SFE_WAV_ADPCM_SAMPLES ;
}
else
psf_log_printf (psf, " Samples/Block : %d\n", 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) ;
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)) ;
psf_log_printf (psf, " Extra Bytes : %d\n", wav_fmt->msadpcm.extrabytes) ;
if (wav_fmt->ima.samplesperblock < 1)
{ psf_log_printf (psf, " Samples/Block : %d (should be > 0)\n", wav_fmt->ima.samplesperblock) ;
return SFE_WAV_ADPCM_SAMPLES ;
}
else
psf_log_printf (psf, " Samples/Block : %d\n", wav_fmt->ima.samplesperblock) ;
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) ;
if (wav_fmt->msadpcm.numcoeffs > ARRAY_LEN (wav_fmt->msadpcm.coeffs))
{ psf_log_printf (psf, " No. of Coeffs : %d (should be <= %d)\n", wav_fmt->msadpcm.numcoeffs, ARRAY_LEN (wav_fmt->msadpcm.coeffs)) ;
wav_fmt->msadpcm.numcoeffs = ARRAY_LEN (wav_fmt->msadpcm.coeffs) ;
}
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++)
{ char buffer [128] ;
bytesread +=
psf_binheader_readf (psf, "22", &(wav_fmt->msadpcm.coeffs [k].coeff1), &(wav_fmt->msadpcm.coeffs [k].coeff2)) ;
snprintf (buffer, sizeof (buffer), " %2d %7d %7d\n", k, wav_fmt->msadpcm.coeffs [k].coeff1, wav_fmt->msadpcm.coeffs [k].coeff2) ;
psf_log_printf (psf, buffer) ;
} ;
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_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_MPEGLAYER3 :
bytesread += psf_binheader_readf (psf, "24222", &(wav_fmt->mpeg3.extrabytes),
&(wav_fmt->mpeg3.id), &(wav_fmt->mpeg3.flags), &(wav_fmt->mpeg3.blocksize),
&(wav_fmt->mpeg3.samplesperblock), &(wav_fmt->mpeg3.codecdelay)) ;
psf_log_printf (psf, " Bytes/sec : %d\n", wav_fmt->mpeg3.bytespersec) ;
psf_log_printf (psf, " Extra Bytes : %d\n", wav_fmt->mpeg3.extrabytes) ;
if (wav_fmt->mpeg3.id != 1)
psf_log_printf (psf, " ID : %d (unknown, should be 1)\n", wav_fmt->mpeg3.id) ;
else
psf_log_printf (psf, " ID : MPEGLAYER3_ID_MPEG\n") ;
psf_log_printf (psf, " Flags : 0x%08x\n", wav_fmt->mpeg3.flags) ;
psf_log_printf (psf, " Block Size : %d\n", wav_fmt->mpeg3.blocksize) ;
psf_log_printf (psf, " Samples/Block : %d\n", wav_fmt->mpeg3.samplesperblock) ;
psf_log_printf (psf, " Codec Delay : %d samples\n", wav_fmt->mpeg3.codecdelay) ;
break ;
case WAVE_FORMAT_EXTENSIBLE :
if (wav_fmt->ext.bytespersec != wav_fmt->ext.samplerate * wav_fmt->ext.blockalign)
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) ;
if (wav_fmt->ext.channelmask == 0)
psf_log_printf (psf, " Channel Mask : 0x0 (should not be zero)\n") ;
else
{ char buffer [512] ;
unsigned bit ;
wpriv->wavex_channelmask = wav_fmt->ext.channelmask ;
/* It's probably wise to ignore the channel mask if it is all zero */
free (psf->channel_map) ;
if ((psf->channel_map = calloc (psf->sf.channels, sizeof (psf->channel_map [0]))) == NULL)
return SFE_MALLOC_FAILED ;
/* Terminate the buffer we're going to append_snprintf into. */
buffer [0] = 0 ;
for (bit = k = 0 ; bit < ARRAY_LEN (channel_mask_bits) && k < psf->sf.channels ; bit++)
{
if (wav_fmt->ext.channelmask & (1 << bit))
{ if (k > psf->sf.channels)
{ psf_log_printf (psf, "*** More channel map bits than there are channels.\n") ;
break ;
} ;
psf->channel_map [k++] = channel_mask_bits [bit].id ;
append_snprintf (buffer, sizeof (buffer), "%s, ", channel_mask_bits [bit].name) ;
} ;
} ;
/* Remove trailing ", ". */
bit = strlen (buffer) ;
if (bit >= 2)
{ buffer [--bit] = 0 ;
buffer [--bit] = 0 ;
} ;
if (k != psf->sf.channels)
{ psf_log_printf (psf, " Channel Mask : 0x%X\n", wav_fmt->ext.channelmask) ;
psf_log_printf (psf, "*** Less channel map bits than there are channels.\n") ;
}
else
psf_log_printf (psf, " Channel Mask : 0x%X (%s)\n", wav_fmt->ext.channelmask, buffer) ;
} ;
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_guid_equal (&wav_fmt->ext.esf, &MSGUID_SUBTYPE_PCM))
{ psf->sf.format = SF_FORMAT_WAVEX | u_bitwidth_to_subformat (psf->bytewidth * 8) ;
psf_log_printf (psf, " format : pcm\n") ;
}
else if (wavex_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_guid_equal (&wav_fmt->ext.esf, &MSGUID_SUBTYPE_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_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_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 if (wavex_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 (Ambisonic B)\n") ;
wpriv->wavex_ambisonic = SF_AMBISONIC_B_FORMAT ;
}
else if (wavex_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 (Ambisonic B)\n") ;
wpriv->wavex_ambisonic = SF_AMBISONIC_B_FORMAT ;
}
else
return SFE_UNIMPLEMENTED ;
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 ;
case WAVE_FORMAT_NMS_VBXADPCM :
if (wav_fmt->min.channels != 1 || wav_fmt->min.bitwidth < 2 || wav_fmt->min.bitwidth * 20 + 2 != wav_fmt->min.blockalign)
return SFE_WAV_NMS_FORMAT ;
bytespersec = (wav_fmt->min.samplerate * wav_fmt->min.blockalign) / 160 ;
if (wav_fmt->min.bytespersec == (unsigned) bytespersec)
psf_log_printf (psf, " Bytes/sec : %d\n", wav_fmt->min.bytespersec) ;
else
psf_log_printf (psf, " Bytes/sec : %d (should be %d)\n", wav_fmt->min.bytespersec, bytespersec) ;
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 ;
default :
psf_log_printf (psf, "*** No 'fmt ' chunk dumper for this format!\n") ;
return SFE_WAV_BAD_FMT ;
} ;
if (bytesread > fmtsize)
{ psf_log_printf (psf, "*** wavlike_read_fmt_chunk (bytesread > fmtsize)\n") ;
return SFE_WAV_BAD_FMT ;
}
else
psf_binheader_readf (psf, "j", fmtsize - bytesread) ;
psf->blockwidth = wav_fmt->min.channels * psf->bytewidth ;
return 0 ;
} /* wavlike_read_fmt_chunk */
void
wavlike_write_guid (SF_PRIVATE *psf, const EXT_SUBFORMAT * subformat)
{
psf_binheader_writef (psf, "422b", BHW4 (subformat->esf_field1),
BHW2 (subformat->esf_field2), BHW2 (subformat->esf_field3),
BHWv (subformat->esf_field4), BHWz (8)) ;
} /* wavlike_write_guid */
int
wavlike_gen_channel_mask (const int *chan_map, int channels)
{ int chan, mask = 0, bit = -1, last_bit = -1 ;
if (chan_map == NULL)
return 0 ;
for (chan = 0 ; chan < channels ; chan ++)
{ int k ;
for (k = bit + 1 ; k < ARRAY_LEN (channel_mask_bits) ; k++)
if (chan_map [chan] == channel_mask_bits [k].id)
{ bit = k ;
break ;
} ;
/* Check for bad sequence. */
if (bit <= last_bit)
return 0 ;
mask += 1 << bit ;
last_bit = bit ;
} ;
return mask ;
} /* wavlike_gen_channel_mask */
void
wavlike_analyze (SF_PRIVATE *psf)
{ unsigned char buffer [4096] ;
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 (buffer, 1, sizeof (buffer), psf) == sizeof (buffer))
{ format = audio_detect (psf, &ad, buffer, sizeof (buffer)) ;
if (format != 0)
break ;
} ;
/* Seek to start of DATA section. */
psf_fseek (psf, psf->dataoffset, SEEK_SET) ;
if (format == 0)
{ psf_log_printf (psf, "wavlike_analyze : detection failed.\n") ;
return ;
} ;
switch (format)
{ case SF_FORMAT_PCM_32 :
case SF_FORMAT_FLOAT :
psf_log_printf (psf, "wavlike_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, "wavlike_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, "wavlike_analyze : unhandled format : 0x%X\n", format) ;
break ;
} ;
return ;
} /* wavlike_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*
wavlike_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" ;
} /* wavlike_format_str */
int
wavlike_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 */
int
wavlike_read_bext_chunk (SF_PRIVATE *psf, uint32_t chunksize)
{
SF_BROADCAST_INFO_16K * b ;
uint32_t 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)
{ psf->broadcast_16k = broadcast_var_alloc () ;
if (!psf->broadcast_16k)
{ psf->error = SFE_MALLOC_FAILED ;
return psf->error ;
}
}
else
{ psf_log_printf (psf, "bext : found more than one bext chunk, using last one.\n") ;
memset (psf->broadcast_16k, 0, sizeof (SF_BROADCAST_INFO_16K)) ;
}
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, "b", &b->umid, sizeof (b->umid)) ;
bytes += psf_binheader_readf (psf, "22", &b->loudness_value, &b->loudness_range) ;
bytes += psf_binheader_readf (psf, "222", &b->max_true_peak_level, &b->max_momentary_loudness, &b->max_shortterm_loudness) ;
bytes += psf_binheader_readf (psf, "j", 180) ;
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", BHWv (b->coding_history), BHWz (b->coding_history_size)) ;
} ;
if (bytes < chunksize)
psf_binheader_readf (psf, "j", BHWj (chunksize - bytes)) ;
return 0 ;
} /* wavlike_read_bext_chunk */
int
wavlike_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", BHWm (bext_MARKER), BHW4 (WAV_BEXT_MIN_CHUNK_SIZE + b->coding_history_size)) ;
/*
** Note that it is very important that the field widths of the SF_BROADCAST_INFO
** struct match those of the bext chunk fields.
*/
psf_binheader_writef (psf, "b", BHWv (b->description), BHWz (sizeof (b->description))) ;
psf_binheader_writef (psf, "b", BHWv (b->originator), BHWz (sizeof (b->originator))) ;
psf_binheader_writef (psf, "b", BHWv (b->originator_reference), BHWz (sizeof (b->originator_reference))) ;
psf_binheader_writef (psf, "b", BHWv (b->origination_date), BHWz (sizeof (b->origination_date))) ;
psf_binheader_writef (psf, "b", BHWv (b->origination_time), BHWz (sizeof (b->origination_time))) ;
psf_binheader_writef (psf, "442", BHW4 (b->time_reference_low), BHW4 (b->time_reference_high), BHW2 (b->version)) ;
psf_binheader_writef (psf, "b", BHWv (b->umid), BHWz (sizeof (b->umid))) ;
psf_binheader_writef (psf, "22", BHW2 (b->loudness_value), BHW2 (b->loudness_range)) ;
psf_binheader_writef (psf, "222", BHW2 (b->max_true_peak_level), BHW2 (b->max_momentary_loudness), BHW2 (b->max_shortterm_loudness)) ;
psf_binheader_writef (psf, "z", BHWz (180)) ;
if (b->coding_history_size > 0)
psf_binheader_writef (psf, "b", BHWv (b->coding_history), BHWz (b->coding_history_size)) ;
return 0 ;
} /* wavlike_write_bext_chunk */
int
wavlike_read_cart_chunk (SF_PRIVATE *psf, uint32_t chunksize)
{ SF_CART_INFO_16K *c ;
uint32_t bytes = 0 ;
int k ;
if (chunksize < WAV_CART_MIN_CHUNK_SIZE)
{ psf_log_printf (psf, "cart : %u (should be >= %d)\n", chunksize, WAV_CART_MIN_CHUNK_SIZE) ;
psf_binheader_readf (psf, "j", chunksize) ;
return 0 ;
} ;
if (chunksize > WAV_CART_MAX_CHUNK_SIZE)
{ psf_log_printf (psf, "cart : %u (should be < %d)\n", chunksize, WAV_CART_MAX_CHUNK_SIZE) ;
psf_binheader_readf (psf, "j", chunksize) ;
return 0 ;
} ;
/*
** SF_CART_INFO_16K has an extra field 'tag_text_size' that isn't part
** of the chunk, so don't include it in the size check.
*/
if (chunksize >= sizeof (SF_CART_INFO_16K) - 4)
{ psf_log_printf (psf, "cart : %u too big to be handled\n", chunksize) ;
psf_binheader_readf (psf, "j", chunksize) ;
return 0 ;
} ;
psf_log_printf (psf, "cart : %u\n", chunksize) ;
if (psf->cart_16k)
{ psf_log_printf (psf, " Found more than one cart chunk, using last one.\n") ;
free (psf->cart_16k) ;
psf->cart_16k = NULL ;
} ;
if ((psf->cart_16k = cart_var_alloc ()) == NULL)
{ psf->error = SFE_MALLOC_FAILED ;
return psf->error ;
} ;
c = psf->cart_16k ;
bytes += psf_binheader_readf (psf, "b", c->version, sizeof (c->version)) ;
bytes += psf_binheader_readf (psf, "b", c->title, sizeof (c->title)) ;
bytes += psf_binheader_readf (psf, "b", c->artist, sizeof (c->artist)) ;
bytes += psf_binheader_readf (psf, "b", c->cut_id, sizeof (c->cut_id)) ;
bytes += psf_binheader_readf (psf, "b", c->client_id, sizeof (c->client_id)) ;
bytes += psf_binheader_readf (psf, "b", c->category, sizeof (c->category)) ;
bytes += psf_binheader_readf (psf, "b", c->classification, sizeof (c->classification)) ;
bytes += psf_binheader_readf (psf, "b", c->out_cue, sizeof (c->out_cue)) ;
bytes += psf_binheader_readf (psf, "b", c->start_date, sizeof (c->start_date)) ;
bytes += psf_binheader_readf (psf, "b", c->start_time, sizeof (c->start_time)) ;
bytes += psf_binheader_readf (psf, "b", c->end_date, sizeof (c->end_date)) ;
bytes += psf_binheader_readf (psf, "b", c->end_time, sizeof (c->end_time)) ;
bytes += psf_binheader_readf (psf, "b", c->producer_app_id, sizeof (c->producer_app_id)) ;
bytes += psf_binheader_readf (psf, "b", c->producer_app_version, sizeof (c->producer_app_version)) ;
bytes += psf_binheader_readf (psf, "b", c->user_def, sizeof (c->user_def)) ;
bytes += psf_binheader_readf (psf, "e4", &c->level_reference, sizeof (c->level_reference)) ;
for (k = 0 ; k < ARRAY_LEN (c->post_timers) ; k++)
bytes += psf_binheader_readf (psf, "b4", &c->post_timers [k].usage, make_size_t (4), &c->post_timers [k].value) ;
bytes += psf_binheader_readf (psf, "b", c->reserved, sizeof (c->reserved)) ;
bytes += psf_binheader_readf (psf, "b", c->url, sizeof (c->url)) ;
if (chunksize > WAV_CART_MIN_CHUNK_SIZE)
{ /* File has tag text. */
c->tag_text_size = chunksize - WAV_CART_MIN_CHUNK_SIZE ;
bytes += psf_binheader_readf (psf, "b", c->tag_text, make_size_t (c->tag_text_size)) ;
} ;
if (bytes < chunksize)
psf_log_printf (psf, " %d trailing bytes in cart chunk.\n", chunksize - bytes) ;
return 0 ;
} /* wavlike_read_cart_chunk */
int
wavlike_write_cart_chunk (SF_PRIVATE *psf)
{ SF_CART_INFO_16K *c ;
int k ;
if (psf->cart_16k == NULL)
return -1 ;
c = psf->cart_16k ;
psf_binheader_writef (psf, "m4", BHWm (cart_MARKER), BHW4 (WAV_CART_MIN_CHUNK_SIZE + c->tag_text_size)) ;
/*
** Note that it is very important that the field widths of the SF_CART_INFO
** struct match those of the cart chunk fields.
*/
psf_binheader_writef (psf, "b", BHWv (c->version), BHWz (sizeof (c->version))) ;
psf_binheader_writef (psf, "b", BHWv (c->title), BHWz (sizeof (c->title))) ;
psf_binheader_writef (psf, "b", BHWv (c->artist), BHWz (sizeof (c->artist))) ;
psf_binheader_writef (psf, "b", BHWv (c->cut_id), BHWz (sizeof (c->cut_id))) ;
psf_binheader_writef (psf, "b", BHWv (c->client_id), BHWz (sizeof (c->client_id))) ;
psf_binheader_writef (psf, "b", BHWv (c->category), BHWz (sizeof (c->category))) ;
psf_binheader_writef (psf, "b", BHWv (c->classification), BHWz (sizeof (c->classification))) ;
psf_binheader_writef (psf, "b", BHWv (c->out_cue), BHWz (sizeof (c->out_cue))) ;
psf_binheader_writef (psf, "b", BHWv (c->start_date), BHWz (sizeof (c->start_date))) ;
psf_binheader_writef (psf, "b", BHWv (c->start_time), BHWz (sizeof (c->start_time))) ;
psf_binheader_writef (psf, "b", BHWv (c->end_date), BHWz (sizeof (c->end_date))) ;
psf_binheader_writef (psf, "b", BHWv (c->end_time), BHWz (sizeof (c->end_time))) ;
psf_binheader_writef (psf, "b", BHWv (c->producer_app_id), BHWz (sizeof (c->producer_app_id))) ;
psf_binheader_writef (psf, "b", BHWv (c->producer_app_version), BHWz (sizeof (c->producer_app_version))) ;
psf_binheader_writef (psf, "b", BHWv (c->user_def), BHWz (sizeof (c->user_def))) ;
psf_binheader_writef (psf, "e4", BHW4 (c->level_reference)) ;
for (k = 0 ; k < ARRAY_LEN (c->post_timers) ; k++)
psf_binheader_writef (psf, "b4", BHWv (c->post_timers [k].usage), BHWz (4), BHW4 (c->post_timers [k].value)) ;
psf_binheader_writef (psf, "z", BHWz (sizeof (c->reserved))) ; // just write zeros, we don't have any other use for it
psf_binheader_writef (psf, "b", BHWv (c->url), BHWz (sizeof (c->url))) ;
if (c->tag_text_size > 0)
psf_binheader_writef (psf, "b", BHWv (c->tag_text), BHWz (c->tag_text_size)) ;
return 0 ;
} /* wavlike_write_cart_chunk */
int
wavlike_subchunk_parse (SF_PRIVATE *psf, int chunk, uint32_t chunk_length)
{ sf_count_t current_pos ;
char buffer [2048] ;
uint32_t chunk_size, bytesread = 0 ;
current_pos = psf_fseek (psf, 0, SEEK_CUR) ;
if (chunk_length <= 8)
{ /* This case is for broken files generated by PEAK. */
psf_log_printf (psf, "%M : %u (weird length)\n", chunk, chunk_length) ;
psf_binheader_readf (psf, "mj", &chunk, chunk_length - 4) ;
psf_log_printf (psf, " %M\n", chunk) ;
return 0 ;
} ;
if (current_pos + chunk_length > psf->filelength)
{ psf_log_printf (psf, "%M : %u (should be %d)\n", chunk, chunk_length, (int) (psf->filelength - current_pos)) ;
chunk_length = psf->filelength - current_pos ;
}
else
psf_log_printf (psf, "%M : %u\n", chunk, chunk_length) ;
while (bytesread < chunk_length)
{ uint32_t thisread ;
if ((thisread = psf_binheader_readf (psf, "m", &chunk)) == 0)
break ;
bytesread += thisread ;
switch (chunk)
{ case adtl_MARKER :
case INFO_MARKER :
/* These markers don't contain anything, not even a chunk length. */
psf_log_printf (psf, " %M\n", chunk) ;
continue ;
case exif_MARKER :
psf_log_printf (psf, " %M\n", chunk) ;
if (chunk_length > bytesread)
bytesread += exif_subchunk_parse (psf, chunk_length - bytesread) ;
continue ;
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 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") ;
goto cleanup_subchunk_parse ;
default :
break ;
} ;
switch (chunk)
{ 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 :
case IAUT_MARKER :
case ITRK_MARKER :
bytesread += psf_binheader_readf (psf, "4", &chunk_size) ;
chunk_size += (chunk_size & 1) ;
if (chunk_size >= SIGNED_SIZEOF (buffer) || bytesread + chunk_size > chunk_length)
{ psf_log_printf (psf, " *** %M : %u (too big)\n", chunk, chunk_size) ;
goto cleanup_subchunk_parse ;
} ;
bytesread += psf_binheader_readf (psf, "b", buffer, chunk_size) ;
buffer [chunk_size] = 0 ;
psf_log_printf (psf, " %M : %s\n", chunk, buffer) ;
break ;
case labl_MARKER :
{ int mark_id ;
bytesread += psf_binheader_readf (psf, "44", &chunk_size, &mark_id) ;
chunk_size -= 4 ;
chunk_size += (chunk_size & 1) ;
if (chunk_size < 1 || chunk_size >= SIGNED_SIZEOF (buffer) || bytesread + chunk_size > chunk_length)
{ psf_log_printf (psf, " *** %M : %u (too big)\n", chunk, chunk_size) ;
goto cleanup_subchunk_parse ;
} ;
bytesread += psf_binheader_readf (psf, "b", buffer, chunk_size) ;
buffer [chunk_size] = 0 ;
if (mark_id < 10) /* avoid swamping log buffer with labels */
psf_log_printf (psf, " %M : %u : %s\n", chunk, mark_id, buffer) ;
else if (mark_id == 10)
psf_log_printf (psf, " (Skipping)\n") ;
if (psf->cues)
{ unsigned int i = 0 ;
/* find id to store label */
while (i < psf->cues->cue_count && psf->cues->cue_points [i].indx != mark_id)
i++ ;
if (i < psf->cues->cue_count)
memcpy (psf->cues->cue_points [i].name, buffer, sizeof (psf->cues->cue_points [i].name)) ;
} ;
} ;
break ;
case DISP_MARKER :
case ltxt_MARKER :
case note_MARKER :
bytesread += psf_binheader_readf (psf, "4", &chunk_size) ;
chunk_size += (chunk_size & 1) ;
if (chunk_size >= SIGNED_SIZEOF (buffer) || bytesread + chunk_size > chunk_length)
{ psf_log_printf (psf, " *** %M : %u (too big)\n", chunk, chunk_size) ;
goto cleanup_subchunk_parse ;
} ;
psf_log_printf (psf, " %M : %u\n", chunk, chunk_size) ;
goto cleanup_subchunk_parse ;
default :
bytesread += psf_binheader_readf (psf, "4", &chunk_size) ;
chunk_size += (chunk_size & 1) ;
if (bytesread + chunk_size > chunk_length)
{ psf_log_printf (psf, " *** %M : %u (too big)\n", chunk, chunk_size) ;
goto cleanup_subchunk_parse ;
}
else
{ psf_log_printf (psf, " %M : %u\n", chunk, chunk_size) ;
bytesread += psf_binheader_readf (psf, "j", chunk_size) ;
} ;
break ;
} ;
switch (chunk)
{ case ISFT_MARKER :
psf_store_string (psf, SF_STR_SOFTWARE, buffer) ;
break ;
case ICOP_MARKER :
psf_store_string (psf, SF_STR_COPYRIGHT, buffer) ;
break ;
case INAM_MARKER :
psf_store_string (psf, SF_STR_TITLE, buffer) ;
break ;
case IART_MARKER :
psf_store_string (psf, SF_STR_ARTIST, buffer) ;
break ;
case ICMT_MARKER :
psf_store_string (psf, SF_STR_COMMENT, buffer) ;
break ;
case ICRD_MARKER :
psf_store_string (psf, SF_STR_DATE, buffer) ;
break ;
case IGNR_MARKER :
psf_store_string (psf, SF_STR_GENRE, buffer) ;
break ;
case IPRD_MARKER :
psf_store_string (psf, SF_STR_ALBUM, buffer) ;
break ;
case ITRK_MARKER :
psf_store_string (psf, SF_STR_TRACKNUMBER, buffer) ;
break ;
} ;
} ;
cleanup_subchunk_parse :
if (chunk_length > bytesread)
bytesread += psf_binheader_readf (psf, "j", chunk_length - bytesread) ;
return 0 ;
} /* wavlike_subchunk_parse */
void
wavlike_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->header.indx + 4 ;
psf_binheader_writef (psf, "m4m", BHWm (LIST_MARKER), BHW4 (0xBADBAD), BHWm (INFO_MARKER)) ;
for (k = 0 ; k < SF_MAX_STRINGS ; k++)
{ if (psf->strings.data [k].type == 0)
break ;
if (psf->strings.data [k].type < 0 || psf->strings.data [k].flags != location)
continue ;
switch (psf->strings.data [k].type)
{ case SF_STR_SOFTWARE :
psf_binheader_writef (psf, "ms", BHWm (ISFT_MARKER), BHWs (psf->strings.storage + psf->strings.data [k].offset)) ;
break ;
case SF_STR_TITLE :
psf_binheader_writef (psf, "ms", BHWm (INAM_MARKER), BHWs (psf->strings.storage + psf->strings.data [k].offset)) ;
break ;
case SF_STR_COPYRIGHT :
psf_binheader_writef (psf, "ms", BHWm (ICOP_MARKER), BHWs (psf->strings.storage + psf->strings.data [k].offset)) ;
break ;
case SF_STR_ARTIST :
psf_binheader_writef (psf, "ms", BHWm (IART_MARKER), BHWs (psf->strings.storage + psf->strings.data [k].offset)) ;
break ;
case SF_STR_COMMENT :
psf_binheader_writef (psf, "ms", BHWm (ICMT_MARKER), BHWs (psf->strings.storage + psf->strings.data [k].offset)) ;
break ;
case SF_STR_DATE :
psf_binheader_writef (psf, "ms", BHWm (ICRD_MARKER), BHWs (psf->strings.storage + psf->strings.data [k].offset)) ;
break ;
case SF_STR_GENRE :
psf_binheader_writef (psf, "ms", BHWm (IGNR_MARKER), BHWs (psf->strings.storage + psf->strings.data [k].offset)) ;
break ;
case SF_STR_ALBUM :
psf_binheader_writef (psf, "ms", BHWm (IPRD_MARKER), BHWs (psf->strings.storage + psf->strings.data [k].offset)) ;
break ;
case SF_STR_TRACKNUMBER :
psf_binheader_writef (psf, "ms", BHWm (ITRK_MARKER), BHWs (psf->strings.storage + psf->strings.data [k].offset)) ;
break ;
default :
break ;
} ;
} ;
saved_head_index = psf->header.indx ;
psf->header.indx = prev_head_index ;
psf_binheader_writef (psf, "4", BHW4 (saved_head_index - prev_head_index - 4)) ;
psf->header.indx = saved_head_index ;
} /* wavlike_write_strings */
int
wavlike_read_peak_chunk (SF_PRIVATE * psf, size_t chunk_size)
{ char buffer [256] ;
uint32_t uk ;
if (chunk_size != WAVLIKE_PEAK_CHUNK_SIZE (psf->sf.channels))
{ psf_binheader_readf (psf, "j", chunk_size) ;
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)
{ psf_log_printf (psf, "*** Found existing peak info, using last one.\n") ;
free (psf->peak_info) ;
psf->peak_info = NULL ;
} ;
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") ;
for (uk = 0 ; uk < (uint32_t) psf->sf.channels ; uk++)
{ float value ;
uint32_t position ;
psf_binheader_readf (psf, "f4", &value, &position) ;
psf->peak_info->peaks [uk].value = value ;
psf->peak_info->peaks [uk].position = position ;
snprintf (buffer, sizeof (buffer), " %2d %-12" PRId64 " %g\n",
uk, psf->peak_info->peaks [uk].position, psf->peak_info->peaks [uk].value) ;
buffer [sizeof (buffer) - 1] = 0 ;
psf_log_printf (psf, "%s", buffer) ;
} ;
return 0 ;
} /* wavlike_read_peak_chunk */
void
wavlike_write_peak_chunk (SF_PRIVATE * psf)
{ int k ;
if (psf->peak_info == NULL)
return ;
psf_binheader_writef (psf, "m4", BHWm (PEAK_MARKER), BHW4 (WAVLIKE_PEAK_CHUNK_SIZE (psf->sf.channels))) ;
psf_binheader_writef (psf, "44", BHW4 (1), BHW4 (time (NULL))) ;
for (k = 0 ; k < psf->sf.channels ; k++)
psf_binheader_writef (psf, "ft8", BHWf (psf->peak_info->peaks [k].value), BHW8 (psf->peak_info->peaks [k].position)) ;
} /* wavlike_write_peak_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, uint32_t length)
{ uint32_t marker, dword = 0, vmajor = -1, vminor = -1, bytesread = 0 ;
char buf [4096] ;
int thisread ;
while (bytesread < length)
{
if ((thisread = psf_binheader_readf (psf, "m", &marker)) == 0)
break ;
bytesread += thisread ;
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 olym_MARKER :
bytesread += psf_binheader_readf (psf, "4", &dword) ;
psf_log_printf (psf, "%M : %u\n", marker, dword) ;
if (dword > length || bytesread + dword > length)
break ;
dword += (dword & 1) ;
bytesread += psf_binheader_readf (psf, "j", dword) ;
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 */
bytesread += 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 : %u (%s)\n", marker, dword, buf) ;
if (dword > length)
return bytesread ;
break ;
default :
psf_log_printf (psf, " *** %M (%u): -- ignored --\n", marker, marker) ;
break ;
} ;
} ;
return bytesread ;
} /* exif_subchunk_parse */
void
wavlike_write_custom_chunks (SF_PRIVATE * psf)
{ uint32_t k ;
for (k = 0 ; k < psf->wchunks.used ; k++)
psf_binheader_writef (psf, "m4b", BHWm (psf->wchunks.chunks [k].mark32), BHW4 (psf->wchunks.chunks [k].len),
BHWv (psf->wchunks.chunks [k].data), BHWz (psf->wchunks.chunks [k].len)) ;
} /* wavlike_write_custom_chunks */