| /* |
| ** Copyright (C) 1999-2011 Erik de Castro Lopo <erikd@mega-nerd.com> |
| ** Copyright (C) 2004-2005 David Viens <davidv@plogue.com> |
| ** |
| ** This program is free software; you can redistribute it and/or modify |
| ** it under the terms of the GNU Lesser General Public License as published by |
| ** the Free Software Foundation; either version 2.1 of the License, or |
| ** (at your option) any later version. |
| ** |
| ** This program is distributed in the hope that it will be useful, |
| ** but WITHOUT ANY WARRANTY; without even the implied warranty of |
| ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| ** GNU Lesser General Public License for more details. |
| ** |
| ** You should have received a copy of the GNU Lesser General Public License |
| ** along with this program; if not, write to the Free Software |
| ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| */ |
| |
| #include "sfconfig.h" |
| |
| #include <stdio.h> |
| #include <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 |
| |
| /* 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 |
| 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) ; |
| |
| 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 : |
| 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 > 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++) |
| { bytesread += |
| psf_binheader_readf (psf, "22", &(wav_fmt->msadpcm.coeffs [k].coeff1), &(wav_fmt->msadpcm.coeffs [k].coeff2)) ; |
| 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) ; |
| |
| if (wav_fmt->ext.channelmask == 0) |
| psf_log_printf (psf, " Channel Mask : 0x0 (should not be zero)\n") ; |
| else |
| { 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. */ |
| psf->u.cbuf [0] = 0 ; |
| |
| for (bit = k = 0 ; bit < ARRAY_LEN (channel_mask_bits) ; 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 (psf->u.cbuf, sizeof (psf->u.cbuf), "%s, ", channel_mask_bits [bit].name) ; |
| } ; |
| } ; |
| |
| /* Remove trailing ", ". */ |
| bit = strlen (psf->u.cbuf) ; |
| psf->u.cbuf [--bit] = 0 ; |
| psf->u.cbuf [--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, psf->u.cbuf) ; |
| } ; |
| |
| 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 ; |
| |
| 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, "*** wav_w64_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 ; |
| } /* 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 */ |
| |
| |
| int |
| wavex_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 ; |
| } /* wavex_gen_channel_mask */ |
| |
| 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 */ |