| /* | |
| ** Copyright (C) 1999-2019 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 <stdlib.h> | |
| #include <string.h> | |
| #include <ctype.h> | |
| #include <time.h> | |
| #include <inttypes.h> | |
| #include "sndfile.h" | |
| #include "sfendian.h" | |
| #include "common.h" | |
| #include "wavlike.h" | |
| /*------------------------------------------------------------------------------ | |
| * Macros to handle big/little endian issues. | |
| */ | |
| #define RIFF_MARKER (MAKE_MARKER ('R', 'I', 'F', 'F')) | |
| #define RIFX_MARKER (MAKE_MARKER ('R', 'I', 'F', 'X')) | |
| #define WAVE_MARKER (MAKE_MARKER ('W', 'A', 'V', 'E')) | |
| #define fmt_MARKER (MAKE_MARKER ('f', 'm', 't', ' ')) | |
| #define fact_MARKER (MAKE_MARKER ('f', 'a', 'c', 't')) | |
| #define cue_MARKER (MAKE_MARKER ('c', 'u', 'e', ' ')) | |
| #define slnt_MARKER (MAKE_MARKER ('s', 'l', 'n', 't')) | |
| #define wavl_MARKER (MAKE_MARKER ('w', 'a', 'v', 'l')) | |
| #define plst_MARKER (MAKE_MARKER ('p', 'l', 's', 't')) | |
| #define smpl_MARKER (MAKE_MARKER ('s', 'm', 'p', 'l')) | |
| #define iXML_MARKER (MAKE_MARKER ('i', 'X', 'M', 'L')) | |
| #define levl_MARKER (MAKE_MARKER ('l', 'e', 'v', 'l')) | |
| #define MEXT_MARKER (MAKE_MARKER ('M', 'E', 'X', 'T')) | |
| #define acid_MARKER (MAKE_MARKER ('a', 'c', 'i', 'd')) | |
| #define strc_MARKER (MAKE_MARKER ('s', 't', 'r', 'c')) | |
| #define afsp_MARKER (MAKE_MARKER ('a', 'f', 's', 'p')) | |
| #define clm_MARKER (MAKE_MARKER ('c', 'l', 'm', ' ')) | |
| #define elmo_MARKER (MAKE_MARKER ('e', 'l', 'm', 'o')) | |
| #define FLLR_MARKER (MAKE_MARKER ('F', 'L', 'L', 'R')) | |
| #define minf_MARKER (MAKE_MARKER ('m', 'i', 'n', 'f')) | |
| #define elm1_MARKER (MAKE_MARKER ('e', 'l', 'm', '1')) | |
| #define regn_MARKER (MAKE_MARKER ('r', 'e', 'g', 'n')) | |
| #define ovwf_MARKER (MAKE_MARKER ('o', 'v', 'w', 'f')) | |
| #define umid_MARKER (MAKE_MARKER ('u', 'm', 'i', 'd')) | |
| #define SyLp_MARKER (MAKE_MARKER ('S', 'y', 'L', 'p')) | |
| #define Cr8r_MARKER (MAKE_MARKER ('C', 'r', '8', 'r')) | |
| #define JUNK_MARKER (MAKE_MARKER ('J', 'U', 'N', 'K')) | |
| #define PMX_MARKER (MAKE_MARKER ('_', 'P', 'M', 'X')) | |
| #define inst_MARKER (MAKE_MARKER ('i', 'n', 's', 't')) | |
| #define AFAn_MARKER (MAKE_MARKER ('A', 'F', 'A', 'n')) | |
| /* Weird WAVPACK marker which can show up at the start of the DATA section. */ | |
| #define wvpk_MARKER (MAKE_MARKER ('w', 'v', 'p', 'k')) | |
| #define OggS_MARKER (MAKE_MARKER ('O', 'g', 'g', 'S')) | |
| /* ID3v1 trailer which can show up at the end and erronerously look like a chunk. */ | |
| #define TAG__MARKER (MAKE_MARKER ('T', 'A', 'G', 0)) | |
| #define TAG__MARKER_MASK (MAKE_MARKER (0xff, 0xff, 0xff, 0)) | |
| #define WAVLIKE_PEAK_CHUNK_SIZE(ch) (2 * sizeof (int) + ch * (sizeof (float) + sizeof (int))) | |
| enum | |
| { HAVE_RIFF = 1 << 0, | |
| HAVE_WAVE = 1 << 1, | |
| HAVE_fmt = 1 << 2, | |
| HAVE_fact = 1 << 3, | |
| HAVE_PEAK = 1 << 4, | |
| HAVE_data = 1 << 5, | |
| HAVE_other = 1 << 6 | |
| } ; | |
| /* known WAVEFORMATEXTENSIBLE GUIDS */ | |
| static const EXT_SUBFORMAT MSGUID_SUBTYPE_PCM = | |
| { 0x00000001, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 } | |
| } ; | |
| #if 0 | |
| static const EXT_SUBFORMAT MSGUID_SUBTYPE_MS_ADPCM = | |
| { 0x00000002, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 } | |
| } ; | |
| #endif | |
| 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 wav_read_header (SF_PRIVATE *psf, int *blockalign, int *framesperblock) ; | |
| static int wav_write_header (SF_PRIVATE *psf, int calc_length) ; | |
| static int wav_write_tailer (SF_PRIVATE *psf) ; | |
| static int wav_command (SF_PRIVATE *psf, int command, void *data, int datasize) ; | |
| static int wav_close (SF_PRIVATE *psf) ; | |
| static int wav_read_smpl_chunk (SF_PRIVATE *psf, uint32_t chunklen) ; | |
| static int wav_read_acid_chunk (SF_PRIVATE *psf, uint32_t chunklen) ; | |
| static int wav_set_chunk (SF_PRIVATE *psf, const SF_CHUNK_INFO * chunk_info) ; | |
| static SF_CHUNK_ITERATOR * wav_next_chunk_iterator (SF_PRIVATE *psf, SF_CHUNK_ITERATOR * iterator) ; | |
| static int wav_get_chunk_size (SF_PRIVATE *psf, const SF_CHUNK_ITERATOR * iterator, SF_CHUNK_INFO * chunk_info) ; | |
| static int wav_get_chunk_data (SF_PRIVATE *psf, const SF_CHUNK_ITERATOR * iterator, SF_CHUNK_INFO * chunk_info) ; | |
| /*------------------------------------------------------------------------------ | |
| ** Public function. | |
| */ | |
| int | |
| wav_open (SF_PRIVATE *psf) | |
| { WAVLIKE_PRIVATE * wpriv ; | |
| int format, subformat, error, blockalign = 0, framesperblock = 0 ; | |
| if ((wpriv = calloc (1, sizeof (WAVLIKE_PRIVATE))) == NULL) | |
| return SFE_MALLOC_FAILED ; | |
| psf->container_data = wpriv ; | |
| wpriv->wavex_ambisonic = SF_AMBISONIC_NONE ; | |
| psf->strings.flags = SF_STR_ALLOW_START | SF_STR_ALLOW_END ; | |
| if (psf->file.mode == SFM_READ || (psf->file.mode == SFM_RDWR && psf->filelength > 0)) | |
| { if ((error = wav_read_header (psf, &blockalign, &framesperblock))) | |
| return error ; | |
| psf->next_chunk_iterator = wav_next_chunk_iterator ; | |
| psf->get_chunk_size = wav_get_chunk_size ; | |
| psf->get_chunk_data = wav_get_chunk_data ; | |
| } ; | |
| subformat = SF_CODEC (psf->sf.format) ; | |
| if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR) | |
| { if (psf->is_pipe) | |
| return SFE_NO_PIPE_WRITE ; | |
| wpriv->wavex_ambisonic = SF_AMBISONIC_NONE ; | |
| format = SF_CONTAINER (psf->sf.format) ; | |
| if (format != SF_FORMAT_WAV && format != SF_FORMAT_WAVEX) | |
| return SFE_BAD_OPEN_FORMAT ; | |
| psf->blockwidth = psf->bytewidth * psf->sf.channels ; | |
| /* RIFF WAVs are little-endian, RIFX WAVs are big-endian, default to little */ | |
| psf->endian = SF_ENDIAN (psf->sf.format) ; | |
| if (CPU_IS_BIG_ENDIAN && psf->endian == SF_ENDIAN_CPU) | |
| psf->endian = SF_ENDIAN_BIG ; | |
| else if (psf->endian != SF_ENDIAN_BIG) | |
| psf->endian = SF_ENDIAN_LITTLE ; | |
| if (psf->file.mode != SFM_RDWR || psf->filelength < 44) | |
| { psf->filelength = 0 ; | |
| psf->datalength = 0 ; | |
| psf->dataoffset = 0 ; | |
| psf->sf.frames = 0 ; | |
| } ; | |
| #if (ENABLE_EXPERIMENTAL_CODE == 0) | |
| /* For now, don't support writing MPEGLAYER3 WAVs, as we can't guarentee that | |
| ** such a file written by libsndfile would have the same length when opened again. | |
| */ | |
| if (subformat == SF_FORMAT_MPEG_LAYER_III) | |
| return SFE_UNSUPPORTED_ENCODING ; | |
| #endif | |
| if (subformat == SF_FORMAT_IMA_ADPCM || subformat == SF_FORMAT_MS_ADPCM) | |
| { blockalign = wavlike_srate2blocksize (psf->sf.samplerate * psf->sf.channels) ; | |
| framesperblock = -1 ; /* Corrected later. */ | |
| } ; | |
| /* By default, add the peak chunk to floating point files. Default behaviour | |
| ** can be switched off using sf_command (SFC_SET_PEAK_CHUNK, SF_FALSE). | |
| */ | |
| if (psf->file.mode == SFM_WRITE && (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)) | |
| { if ((psf->peak_info = peak_info_calloc (psf->sf.channels)) == NULL) | |
| return SFE_MALLOC_FAILED ; | |
| psf->peak_info->peak_loc = SF_PEAK_START ; | |
| } ; | |
| psf->write_header = wav_write_header ; | |
| psf->set_chunk = wav_set_chunk ; | |
| } ; | |
| psf->container_close = wav_close ; | |
| psf->command = wav_command ; | |
| switch (subformat) | |
| { case SF_FORMAT_PCM_U8 : | |
| case SF_FORMAT_PCM_16 : | |
| case SF_FORMAT_PCM_24 : | |
| case SF_FORMAT_PCM_32 : | |
| error = pcm_init (psf) ; | |
| break ; | |
| case SF_FORMAT_ULAW : | |
| error = ulaw_init (psf) ; | |
| break ; | |
| case SF_FORMAT_ALAW : | |
| error = alaw_init (psf) ; | |
| break ; | |
| /* Lite remove start */ | |
| case SF_FORMAT_FLOAT : | |
| error = float32_init (psf) ; | |
| break ; | |
| case SF_FORMAT_DOUBLE : | |
| error = double64_init (psf) ; | |
| break ; | |
| case SF_FORMAT_IMA_ADPCM : | |
| error = wavlike_ima_init (psf, blockalign, framesperblock) ; | |
| break ; | |
| case SF_FORMAT_MS_ADPCM : | |
| error = wavlike_msadpcm_init (psf, blockalign, framesperblock) ; | |
| break ; | |
| case SF_FORMAT_G721_32 : | |
| error = g72x_init (psf) ; | |
| break ; | |
| case SF_FORMAT_NMS_ADPCM_16 : | |
| case SF_FORMAT_NMS_ADPCM_24 : | |
| case SF_FORMAT_NMS_ADPCM_32 : | |
| error = nms_adpcm_init (psf) ; | |
| break ; | |
| /* Lite remove end */ | |
| case SF_FORMAT_GSM610 : | |
| error = gsm610_init (psf) ; | |
| break ; | |
| case SF_FORMAT_MPEG_LAYER_III : | |
| error = mpeg_init (psf, SF_BITRATE_MODE_CONSTANT, SF_FALSE) ; | |
| break ; | |
| default : return SFE_UNIMPLEMENTED ; | |
| } ; | |
| if (psf->file.mode == SFM_WRITE || (psf->file.mode == SFM_RDWR && psf->filelength == 0)) | |
| return psf->write_header (psf, SF_FALSE) ; | |
| return error ; | |
| } /* wav_open */ | |
| /*========================================================================= | |
| ** Private functions. | |
| */ | |
| static int | |
| wav_read_header (SF_PRIVATE *psf, int *blockalign, int *framesperblock) | |
| { WAVLIKE_PRIVATE *wpriv ; | |
| WAV_FMT *wav_fmt ; | |
| FACT_CHUNK fact_chunk ; | |
| uint32_t marker, chunk_size = 0, RIFFsize = 0, done = 0 ; | |
| int parsestage = 0, error, format = 0 ; | |
| if (psf->is_pipe == 0 && psf->filelength > 0xFFFFFFFFLL) | |
| psf_log_printf (psf, "Warning : filelength > 0xffffffff. This is bad!!!!\n") ; | |
| if ((wpriv = psf->container_data) == NULL) | |
| return SFE_INTERNAL ; | |
| wav_fmt = &wpriv->wav_fmt ; | |
| /* Set position to start of file to begin reading header. */ | |
| psf_binheader_readf (psf, "pmj", 0, &marker, -4) ; | |
| psf->header.indx = 0 ; | |
| /* RIFX signifies big-endian format for all header and data to prevent | |
| ** lots of code copying here, we'll set the psf->rwf_endian flag once here, | |
| ** and never specify endian-ness for all other header ops/ | |
| */ | |
| psf->rwf_endian = (marker == RIFF_MARKER) ? SF_ENDIAN_LITTLE : SF_ENDIAN_BIG ; | |
| while (! done) | |
| { size_t jump = chunk_size & 1 ; | |
| marker = chunk_size = 0 ; | |
| psf_binheader_readf (psf, "jm4", jump, &marker, &chunk_size) ; | |
| if (marker == 0) | |
| { sf_count_t pos = psf_ftell (psf) ; | |
| psf_log_printf (psf, "Have 0 marker at position %D (0x%x).\n", pos, pos) ; | |
| break ; | |
| } ; | |
| psf_store_read_chunk_u32 (&psf->rchunks, marker, psf_ftell (psf), chunk_size) ; | |
| switch (marker) | |
| { case RIFF_MARKER : | |
| case RIFX_MARKER : | |
| if (parsestage) | |
| return SFE_WAV_NO_RIFF ; | |
| parsestage |= HAVE_RIFF ; | |
| RIFFsize = chunk_size ; | |
| if (psf->fileoffset > 0 && psf->filelength > RIFFsize + 8) | |
| { /* Set file length. */ | |
| psf->filelength = RIFFsize + 8 ; | |
| if (marker == RIFF_MARKER) | |
| psf_log_printf (psf, "RIFF : %u\n", RIFFsize) ; | |
| else | |
| psf_log_printf (psf, "RIFX : %u\n", RIFFsize) ; | |
| } | |
| else if (psf->filelength < RIFFsize + 2 * SIGNED_SIZEOF (marker)) | |
| { if (marker == RIFF_MARKER) | |
| psf_log_printf (psf, "RIFF : %u (should be %D)\n", RIFFsize, psf->filelength - 2 * SIGNED_SIZEOF (marker)) ; | |
| else | |
| psf_log_printf (psf, "RIFX : %u (should be %D)\n", RIFFsize, psf->filelength - 2 * SIGNED_SIZEOF (marker)) ; | |
| RIFFsize = psf->filelength - 2 * SIGNED_SIZEOF (RIFFsize) ; | |
| } | |
| else | |
| { if (marker == RIFF_MARKER) | |
| psf_log_printf (psf, "RIFF : %u\n", RIFFsize) ; | |
| else | |
| psf_log_printf (psf, "RIFX : %u\n", RIFFsize) ; | |
| } ; | |
| psf_binheader_readf (psf, "m", &marker) ; | |
| if (marker != WAVE_MARKER) | |
| return SFE_WAV_NO_WAVE ; | |
| parsestage |= HAVE_WAVE ; | |
| psf_log_printf (psf, "WAVE\n") ; | |
| chunk_size = 0 ; | |
| break ; | |
| case fmt_MARKER : | |
| if ((parsestage & (HAVE_RIFF | HAVE_WAVE)) != (HAVE_RIFF | HAVE_WAVE)) | |
| return SFE_WAV_NO_FMT ; | |
| /* If this file has a SECOND fmt chunk, I don't want to know about it. */ | |
| if (parsestage & HAVE_fmt) | |
| break ; | |
| parsestage |= HAVE_fmt ; | |
| psf_log_printf (psf, "fmt : %d\n", chunk_size) ; | |
| if ((error = wavlike_read_fmt_chunk (psf, chunk_size))) | |
| return error ; | |
| format = wav_fmt->format ; | |
| break ; | |
| case data_MARKER : | |
| if ((parsestage & (HAVE_RIFF | HAVE_WAVE | HAVE_fmt)) != (HAVE_RIFF | HAVE_WAVE | HAVE_fmt)) | |
| return SFE_WAV_NO_DATA ; | |
| if (psf->file.mode == SFM_RDWR && (parsestage & HAVE_other) != 0) | |
| return SFE_RDWR_BAD_HEADER ; | |
| parsestage |= HAVE_data ; | |
| psf->datalength = chunk_size ; | |
| if (psf->datalength & 1) | |
| psf_log_printf (psf, "*** 'data' chunk should be an even number of bytes in length.\n") ; | |
| psf->dataoffset = psf_ftell (psf) ; | |
| if (psf->dataoffset > 0) | |
| { if (chunk_size == 0 && RIFFsize == 8 && psf->filelength > 44) | |
| { psf_log_printf (psf, "*** Looks like a WAV file which wasn't closed properly. Fixing it.\n") ; | |
| psf->datalength = psf->filelength - psf->dataoffset ; | |
| } ; | |
| if (psf->datalength > psf->filelength - psf->dataoffset) | |
| { psf_log_printf (psf, "data : %D (should be %D)\n", psf->datalength, psf->filelength - psf->dataoffset) ; | |
| psf->datalength = psf->filelength - psf->dataoffset ; | |
| } | |
| else | |
| psf_log_printf (psf, "data : %D\n", psf->datalength) ; | |
| /* Only set dataend if there really is data at the end. */ | |
| if (psf->datalength + psf->dataoffset < psf->filelength) | |
| psf->dataend = psf->datalength + psf->dataoffset ; | |
| psf->datalength += chunk_size & 1 ; | |
| chunk_size = 0 ; | |
| } ; | |
| if (! psf->sf.seekable || psf->dataoffset < 0) | |
| break ; | |
| /* Seek past data and continue reading header. */ | |
| psf_fseek (psf, psf->datalength, SEEK_CUR) ; | |
| if (psf_ftell (psf) != psf->datalength + psf->dataoffset) | |
| psf_log_printf (psf, "*** psf_fseek past end error ***\n") ; | |
| break ; | |
| case fact_MARKER : | |
| if ((parsestage & (HAVE_RIFF | HAVE_WAVE)) != (HAVE_RIFF | HAVE_WAVE)) | |
| return SFE_WAV_BAD_FACT ; | |
| parsestage |= HAVE_fact ; | |
| if ((parsestage & HAVE_fmt) != HAVE_fmt) | |
| psf_log_printf (psf, "*** Should have 'fmt ' chunk before 'fact'\n") ; | |
| psf_binheader_readf (psf, "4", & (fact_chunk.frames)) ; | |
| if (chunk_size > SIGNED_SIZEOF (fact_chunk)) | |
| psf_binheader_readf (psf, "j", (int) (chunk_size - SIGNED_SIZEOF (fact_chunk))) ; | |
| if (chunk_size) | |
| psf_log_printf (psf, "%M : %u\n", marker, chunk_size) ; | |
| else | |
| psf_log_printf (psf, "%M : %u (should not be zero)\n", marker, chunk_size) ; | |
| psf_log_printf (psf, " frames : %d\n", fact_chunk.frames) ; | |
| break ; | |
| case PEAK_MARKER : | |
| if ((parsestage & (HAVE_RIFF | HAVE_WAVE | HAVE_fmt)) != (HAVE_RIFF | HAVE_WAVE | HAVE_fmt)) | |
| return SFE_WAV_PEAK_B4_FMT ; | |
| parsestage |= HAVE_PEAK ; | |
| psf_log_printf (psf, "%M : %u\n", marker, chunk_size) ; | |
| if ((error = wavlike_read_peak_chunk (psf, chunk_size)) != 0) | |
| return error ; | |
| psf->peak_info->peak_loc = ((parsestage & HAVE_data) == 0) ? SF_PEAK_START : SF_PEAK_END ; | |
| break ; | |
| case cue_MARKER : | |
| parsestage |= HAVE_other ; | |
| { uint32_t thisread, bytesread, cue_count, position, offset ; | |
| int id, chunk_id, chunk_start, block_start, cue_index ; | |
| bytesread = psf_binheader_readf (psf, "4", &cue_count) ; | |
| psf_log_printf (psf, "%M : %u\n", marker, chunk_size) ; | |
| if (cue_count > 2500) /* 2500 is close to the largest number of cues possible because of block sizes */ | |
| { psf_log_printf (psf, " Count : %u (skipping)\n", cue_count) ; | |
| psf_binheader_readf (psf, "j", chunk_size - bytesread) ; | |
| break ; | |
| } ; | |
| psf_log_printf (psf, " Count : %d\n", cue_count) ; | |
| if (psf->cues) | |
| { free (psf->cues) ; | |
| psf->cues = NULL ; | |
| } ; | |
| if ((psf->cues = psf_cues_alloc (cue_count)) == NULL) | |
| return SFE_MALLOC_FAILED ; | |
| cue_index = 0 ; | |
| while (cue_count) | |
| { | |
| if ((thisread = psf_binheader_readf (psf, "e44m444", &id, &position, &chunk_id, &chunk_start, &block_start, &offset)) == 0) | |
| break ; | |
| bytesread += thisread ; | |
| if (cue_index < 10) /* avoid swamping log buffer with cues */ | |
| psf_log_printf (psf, " Cue ID : %2d" | |
| " Pos : %5u Chunk : %M" | |
| " Chk Start : %d Blk Start : %d" | |
| " Offset : %5d\n", | |
| id, position, chunk_id, chunk_start, block_start, offset) ; | |
| else if (cue_index == 10) | |
| psf_log_printf (psf, " (Skipping)\n") ; | |
| psf->cues->cue_points [cue_index].indx = id ; | |
| psf->cues->cue_points [cue_index].position = position ; | |
| psf->cues->cue_points [cue_index].fcc_chunk = chunk_id ; | |
| psf->cues->cue_points [cue_index].chunk_start = chunk_start ; | |
| psf->cues->cue_points [cue_index].block_start = block_start ; | |
| psf->cues->cue_points [cue_index].sample_offset = offset ; | |
| psf->cues->cue_points [cue_index].name [0] = '\0' ; | |
| cue_count -- ; | |
| cue_index ++ ; | |
| } ; | |
| if (bytesread != chunk_size) | |
| { psf_log_printf (psf, "**** Chunk size weirdness (%d != %d)\n", chunk_size, bytesread) ; | |
| psf_binheader_readf (psf, "j", chunk_size - bytesread) ; | |
| } ; | |
| } ; | |
| break ; | |
| case smpl_MARKER : | |
| parsestage |= HAVE_other ; | |
| psf_log_printf (psf, "smpl : %u\n", chunk_size) ; | |
| if ((error = wav_read_smpl_chunk (psf, chunk_size))) | |
| return error ; | |
| break ; | |
| case acid_MARKER : | |
| parsestage |= HAVE_other ; | |
| psf_log_printf (psf, "acid : %u\n", chunk_size) ; | |
| if ((error = wav_read_acid_chunk (psf, chunk_size))) | |
| return error ; | |
| break ; | |
| case INFO_MARKER : | |
| case LIST_MARKER : | |
| parsestage |= HAVE_other ; | |
| if ((error = wavlike_subchunk_parse (psf, marker, chunk_size)) != 0) | |
| return error ; | |
| break ; | |
| case bext_MARKER : | |
| /* | |
| The 'bext' chunk can actually be updated, so don't need to set this. | |
| parsestage |= HAVE_other ; | |
| */ | |
| if ((error = wavlike_read_bext_chunk (psf, chunk_size))) | |
| return error ; | |
| break ; | |
| case PAD_MARKER : | |
| /* | |
| We can eat into a 'PAD ' chunk if we need to. | |
| parsestage |= HAVE_other ; | |
| */ | |
| psf_log_printf (psf, "%M : %u\n", marker, chunk_size) ; | |
| psf_binheader_readf (psf, "j", chunk_size) ; | |
| break ; | |
| case cart_MARKER: | |
| if ((error = wavlike_read_cart_chunk (psf, chunk_size))) | |
| return error ; | |
| break ; | |
| case iXML_MARKER : /* See http://en.wikipedia.org/wiki/IXML */ | |
| case strc_MARKER : /* Multiple of 32 bytes. */ | |
| case afsp_MARKER : | |
| case clm_MARKER : | |
| case elmo_MARKER : | |
| case levl_MARKER : | |
| case plst_MARKER : | |
| case minf_MARKER : | |
| case elm1_MARKER : | |
| case regn_MARKER : | |
| case ovwf_MARKER : | |
| case inst_MARKER : | |
| case AFAn_MARKER : | |
| case umid_MARKER : | |
| case SyLp_MARKER : | |
| case Cr8r_MARKER : | |
| case JUNK_MARKER : | |
| case PMX_MARKER : | |
| case DISP_MARKER : | |
| case MEXT_MARKER : | |
| case FLLR_MARKER : | |
| psf_log_printf (psf, "%M : %u\n", marker, chunk_size) ; | |
| psf_binheader_readf (psf, "j", chunk_size) ; | |
| break ; | |
| default : | |
| if (chunk_size >= 0xffff0000) | |
| { done = SF_TRUE ; | |
| psf_log_printf (psf, "*** Unknown chunk marker (%X) at position %D with length %u. Exiting parser.\n", marker, psf_ftell (psf) - 8, chunk_size) ; | |
| break ; | |
| } ; | |
| if ((marker & TAG__MARKER_MASK) == TAG__MARKER && | |
| psf_ftell (psf) - 8 + 128 == psf->filelength) | |
| { psf_log_printf (psf, "*** Hit ID3v1 trailer. Exiting parser.\n") ; | |
| chunk_size = 128 ; | |
| done = SF_TRUE ; | |
| parsestage |= HAVE_other ; | |
| break ; | |
| } ; | |
| if (psf_isprint ((marker >> 24) & 0xFF) && psf_isprint ((marker >> 16) & 0xFF) | |
| && psf_isprint ((marker >> 8) & 0xFF) && psf_isprint (marker & 0xFF)) | |
| { psf_log_printf (psf, "*** %M : %u (unknown marker)\n", marker, chunk_size) ; | |
| psf_binheader_readf (psf, "j", chunk_size) ; | |
| break ; | |
| } ; | |
| if (psf_ftell (psf) & 0x03) | |
| { psf_log_printf (psf, " Unknown chunk marker at position %D. Resynching.\n", psf_ftell (psf) - 8) ; | |
| psf_binheader_readf (psf, "j", -3) ; | |
| /* File is too messed up so we prevent editing in RDWR mode here. */ | |
| parsestage |= HAVE_other ; | |
| break ; | |
| } ; | |
| psf_log_printf (psf, "*** Unknown chunk marker (%X) at position %D. Exiting parser.\n", marker, psf_ftell (psf) - 8) ; | |
| done = SF_TRUE ; | |
| break ; | |
| } ; /* switch (marker) */ | |
| if (chunk_size >= psf->filelength) | |
| { psf_log_printf (psf, "*** Chunk size %u > file length %D. Exiting parser.\n", chunk_size, psf->filelength) ; | |
| break ; | |
| } ; | |
| if (! psf->sf.seekable && (parsestage & HAVE_data)) | |
| break ; | |
| if (psf_ftell (psf) >= psf->filelength - SIGNED_SIZEOF (chunk_size)) | |
| { psf_log_printf (psf, "End\n") ; | |
| break ; | |
| } ; | |
| } ; /* while (1) */ | |
| if (psf->dataoffset <= 0) | |
| return SFE_WAV_NO_DATA ; | |
| if (psf->sf.channels < 1) | |
| return SFE_CHANNEL_COUNT_ZERO ; | |
| if (psf->sf.channels > SF_MAX_CHANNELS) | |
| return SFE_CHANNEL_COUNT ; | |
| if (format != WAVE_FORMAT_PCM && (parsestage & HAVE_fact) == 0) | |
| psf_log_printf (psf, "**** All non-PCM format files should have a 'fact' chunk.\n") ; | |
| /* WAVs can be little or big endian */ | |
| psf->endian = psf->rwf_endian ; | |
| psf_fseek (psf, psf->dataoffset, SEEK_SET) ; | |
| if (psf->is_pipe == 0) | |
| { /* | |
| ** Check for 'wvpk' at the start of the DATA section. Not able to | |
| ** handle this. | |
| */ | |
| psf_binheader_readf (psf, "4", &marker) ; | |
| if (marker == wvpk_MARKER || marker == OggS_MARKER) | |
| return SFE_WAV_WVPK_DATA ; | |
| } ; | |
| /* Seek to start of DATA section. */ | |
| psf_fseek (psf, psf->dataoffset, SEEK_SET) ; | |
| if (psf->blockwidth) | |
| { if (psf->filelength - psf->dataoffset < psf->datalength) | |
| psf->sf.frames = (psf->filelength - psf->dataoffset) / psf->blockwidth ; | |
| else | |
| psf->sf.frames = psf->datalength / psf->blockwidth ; | |
| } ; | |
| switch (format) | |
| { case WAVE_FORMAT_EXTENSIBLE : | |
| if (psf->sf.format == (SF_FORMAT_WAVEX | SF_FORMAT_MS_ADPCM)) | |
| { *blockalign = wav_fmt->msadpcm.blockalign ; | |
| *framesperblock = wav_fmt->msadpcm.samplesperblock ; | |
| } ; | |
| break ; | |
| case WAVE_FORMAT_NMS_VBXADPCM : | |
| switch (wav_fmt->min.bitwidth) | |
| { case 2 : | |
| psf->sf.format = SF_FORMAT_WAV | SF_FORMAT_NMS_ADPCM_16 ; | |
| break ; | |
| case 3 : | |
| psf->sf.format = SF_FORMAT_WAV | SF_FORMAT_NMS_ADPCM_24 ; | |
| break ; | |
| case 4 : | |
| psf->sf.format = SF_FORMAT_WAV | SF_FORMAT_NMS_ADPCM_32 ; | |
| break ; | |
| default : | |
| return SFE_UNIMPLEMENTED ; | |
| } | |
| break ; | |
| case WAVE_FORMAT_PCM : | |
| psf->sf.format = SF_FORMAT_WAV | u_bitwidth_to_subformat (psf->bytewidth * 8) ; | |
| break ; | |
| case WAVE_FORMAT_MULAW : | |
| case IBM_FORMAT_MULAW : | |
| psf->sf.format = (SF_FORMAT_WAV | SF_FORMAT_ULAW) ; | |
| break ; | |
| case WAVE_FORMAT_ALAW : | |
| case IBM_FORMAT_ALAW : | |
| psf->sf.format = (SF_FORMAT_WAV | SF_FORMAT_ALAW) ; | |
| break ; | |
| case WAVE_FORMAT_MS_ADPCM : | |
| psf->sf.format = (SF_FORMAT_WAV | SF_FORMAT_MS_ADPCM) ; | |
| *blockalign = wav_fmt->msadpcm.blockalign ; | |
| *framesperblock = wav_fmt->msadpcm.samplesperblock ; | |
| break ; | |
| case WAVE_FORMAT_IMA_ADPCM : | |
| psf->sf.format = (SF_FORMAT_WAV | SF_FORMAT_IMA_ADPCM) ; | |
| *blockalign = wav_fmt->ima.blockalign ; | |
| *framesperblock = wav_fmt->ima.samplesperblock ; | |
| break ; | |
| case WAVE_FORMAT_GSM610 : | |
| psf->sf.format = (SF_FORMAT_WAV | SF_FORMAT_GSM610) ; | |
| break ; | |
| case WAVE_FORMAT_IEEE_FLOAT : | |
| psf->sf.format = SF_FORMAT_WAV ; | |
| psf->sf.format |= (psf->bytewidth == 8) ? SF_FORMAT_DOUBLE : SF_FORMAT_FLOAT ; | |
| break ; | |
| case WAVE_FORMAT_G721_ADPCM : | |
| psf->sf.format = SF_FORMAT_WAV | SF_FORMAT_G721_32 ; | |
| break ; | |
| case WAVE_FORMAT_MPEGLAYER3 : | |
| psf->sf.format = SF_FORMAT_WAV | SF_FORMAT_MPEG_LAYER_III ; | |
| if (parsestage & HAVE_fact) | |
| psf->sf.frames = fact_chunk.frames ; | |
| break ; | |
| default : return SFE_UNIMPLEMENTED ; | |
| } ; | |
| if (wpriv->fmt_is_broken) | |
| wavlike_analyze (psf) ; | |
| /* Only set the format endian-ness if its non-standard big-endian. */ | |
| if (psf->endian == SF_ENDIAN_BIG) | |
| psf->sf.format |= SF_ENDIAN_BIG ; | |
| return 0 ; | |
| } /* wav_read_header */ | |
| static int | |
| wav_write_fmt_chunk (SF_PRIVATE *psf) | |
| { int subformat, fmt_size, add_fact_chunk = 0 ; | |
| subformat = SF_CODEC (psf->sf.format) ; | |
| switch (subformat) | |
| { case SF_FORMAT_PCM_U8 : | |
| case SF_FORMAT_PCM_16 : | |
| case SF_FORMAT_PCM_24 : | |
| case SF_FORMAT_PCM_32 : | |
| fmt_size = 2 + 2 + 4 + 4 + 2 + 2 ; | |
| /* fmt : format, channels, samplerate */ | |
| psf_binheader_writef (psf, "4224", BHW4 (fmt_size), BHW2 (WAVE_FORMAT_PCM), BHW2 (psf->sf.channels), BHW4 (psf->sf.samplerate)) ; | |
| /* fmt : bytespersec */ | |
| psf_binheader_writef (psf, "4", BHW4 (psf->sf.samplerate * psf->bytewidth * psf->sf.channels)) ; | |
| /* fmt : blockalign, bitwidth */ | |
| psf_binheader_writef (psf, "22", BHW2 (psf->bytewidth * psf->sf.channels), BHW2 (psf->bytewidth * 8)) ; | |
| break ; | |
| case SF_FORMAT_FLOAT : | |
| case SF_FORMAT_DOUBLE : | |
| fmt_size = 2 + 2 + 4 + 4 + 2 + 2 ; | |
| /* fmt : format, channels, samplerate */ | |
| psf_binheader_writef (psf, "4224", BHW4 (fmt_size), BHW2 (WAVE_FORMAT_IEEE_FLOAT), BHW2 (psf->sf.channels), BHW4 (psf->sf.samplerate)) ; | |
| /* fmt : bytespersec */ | |
| psf_binheader_writef (psf, "4", BHW4 (psf->sf.samplerate * psf->bytewidth * psf->sf.channels)) ; | |
| /* fmt : blockalign, bitwidth */ | |
| psf_binheader_writef (psf, "22", BHW2 (psf->bytewidth * psf->sf.channels), BHW2 (psf->bytewidth * 8)) ; | |
| add_fact_chunk = SF_TRUE ; | |
| break ; | |
| case SF_FORMAT_ULAW : | |
| fmt_size = 2 + 2 + 4 + 4 + 2 + 2 + 2 ; | |
| /* fmt : format, channels, samplerate */ | |
| psf_binheader_writef (psf, "4224", BHW4 (fmt_size), BHW2 (WAVE_FORMAT_MULAW), BHW2 (psf->sf.channels), BHW4 (psf->sf.samplerate)) ; | |
| /* fmt : bytespersec */ | |
| psf_binheader_writef (psf, "4", BHW4 (psf->sf.samplerate * psf->bytewidth * psf->sf.channels)) ; | |
| /* fmt : blockalign, bitwidth, extrabytes */ | |
| psf_binheader_writef (psf, "222", BHW2 (psf->bytewidth * psf->sf.channels), BHW2 (8), BHW2 (0)) ; | |
| add_fact_chunk = SF_TRUE ; | |
| break ; | |
| case SF_FORMAT_ALAW : | |
| fmt_size = 2 + 2 + 4 + 4 + 2 + 2 + 2 ; | |
| /* fmt : format, channels, samplerate */ | |
| psf_binheader_writef (psf, "4224", BHW4 (fmt_size), BHW2 (WAVE_FORMAT_ALAW), BHW2 (psf->sf.channels), BHW4 (psf->sf.samplerate)) ; | |
| /* fmt : bytespersec */ | |
| psf_binheader_writef (psf, "4", BHW4 (psf->sf.samplerate * psf->bytewidth * psf->sf.channels)) ; | |
| /* fmt : blockalign, bitwidth, extrabytes */ | |
| psf_binheader_writef (psf, "222", BHW2 (psf->bytewidth * psf->sf.channels), BHW2 (8), BHW2 (0)) ; | |
| add_fact_chunk = SF_TRUE ; | |
| break ; | |
| /* Lite remove start */ | |
| case SF_FORMAT_IMA_ADPCM : | |
| { int blockalign, framesperblock, bytespersec ; | |
| blockalign = wavlike_srate2blocksize (psf->sf.samplerate * psf->sf.channels) ; | |
| framesperblock = 2 * (blockalign - 4 * psf->sf.channels) / psf->sf.channels + 1 ; | |
| bytespersec = (psf->sf.samplerate * blockalign) / framesperblock ; | |
| /* fmt chunk. */ | |
| fmt_size = 2 + 2 + 4 + 4 + 2 + 2 + 2 + 2 ; | |
| /* fmt : size, WAV format type, channels, samplerate, bytespersec */ | |
| psf_binheader_writef (psf, "42244", BHW4 (fmt_size), BHW2 (WAVE_FORMAT_IMA_ADPCM), | |
| BHW2 (psf->sf.channels), BHW4 (psf->sf.samplerate), BHW4 (bytespersec)) ; | |
| /* fmt : blockalign, bitwidth, extrabytes, framesperblock. */ | |
| psf_binheader_writef (psf, "2222", BHW2 (blockalign), BHW2 (4), BHW2 (2), BHW2 (framesperblock)) ; | |
| } ; | |
| add_fact_chunk = SF_TRUE ; | |
| break ; | |
| case SF_FORMAT_MS_ADPCM : | |
| { int blockalign, framesperblock, bytespersec, extrabytes ; | |
| blockalign = wavlike_srate2blocksize (psf->sf.samplerate * psf->sf.channels) ; | |
| framesperblock = 2 + 2 * (blockalign - 7 * psf->sf.channels) / psf->sf.channels ; | |
| bytespersec = (psf->sf.samplerate * blockalign) / framesperblock ; | |
| /* fmt chunk. */ | |
| extrabytes = 2 + 2 + WAVLIKE_MSADPCM_ADAPT_COEFF_COUNT * (2 + 2) ; | |
| fmt_size = 2 + 2 + 4 + 4 + 2 + 2 + 2 + extrabytes ; | |
| /* fmt : size, WAV format type, channels. */ | |
| psf_binheader_writef (psf, "422", BHW4 (fmt_size), BHW2 (WAVE_FORMAT_MS_ADPCM), BHW2 (psf->sf.channels)) ; | |
| /* fmt : samplerate, bytespersec. */ | |
| psf_binheader_writef (psf, "44", BHW4 (psf->sf.samplerate), BHW4 (bytespersec)) ; | |
| /* fmt : blockalign, bitwidth, extrabytes, framesperblock. */ | |
| psf_binheader_writef (psf, "22222", BHW2 (blockalign), BHW2 (4), BHW2 (extrabytes), BHW2 (framesperblock), BHW2 (7)) ; | |
| wavlike_msadpcm_write_adapt_coeffs (psf) ; | |
| } ; | |
| add_fact_chunk = SF_TRUE ; | |
| break ; | |
| case SF_FORMAT_G721_32 : | |
| /* fmt chunk. */ | |
| fmt_size = 2 + 2 + 4 + 4 + 2 + 2 + 2 + 2 ; | |
| /* fmt : size, WAV format type, channels, samplerate, bytespersec */ | |
| psf_binheader_writef (psf, "42244", BHW4 (fmt_size), BHW2 (WAVE_FORMAT_G721_ADPCM), | |
| BHW2 (psf->sf.channels), BHW4 (psf->sf.samplerate), BHW4 (psf->sf.samplerate * psf->sf.channels / 2)) ; | |
| /* fmt : blockalign, bitwidth, extrabytes, auxblocksize. */ | |
| psf_binheader_writef (psf, "2222", BHW2 (64), BHW2 (4), BHW2 (2), BHW2 (0)) ; | |
| add_fact_chunk = SF_TRUE ; | |
| break ; | |
| case SF_FORMAT_NMS_ADPCM_16 : | |
| case SF_FORMAT_NMS_ADPCM_24 : | |
| case SF_FORMAT_NMS_ADPCM_32 : | |
| { int bytespersec, blockalign, bitwidth ; | |
| bitwidth = subformat == SF_FORMAT_NMS_ADPCM_16 ? 2 : subformat == SF_FORMAT_NMS_ADPCM_24 ? 3 : 4 ; | |
| blockalign = 20 * bitwidth + 2 ; | |
| bytespersec = psf->sf.samplerate * blockalign / 160 ; | |
| /* fmt chunk. */ | |
| fmt_size = 2 + 2 + 4 + 4 + 2 + 2 ; | |
| /* fmt : format, channels, samplerate */ | |
| psf_binheader_writef (psf, "4224", BHW4 (fmt_size), BHW2 (WAVE_FORMAT_NMS_VBXADPCM), | |
| BHW2 (psf->sf.channels), BHW4 (psf->sf.samplerate)) ; | |
| /* fmt : bytespersec, blockalign, bitwidth */ | |
| psf_binheader_writef (psf, "422", BHW4 (bytespersec), BHW2 (blockalign), BHW2 (bitwidth)) ; | |
| add_fact_chunk = SF_TRUE ; | |
| break ; | |
| } | |
| /* Lite remove end */ | |
| case SF_FORMAT_GSM610 : | |
| { int blockalign, framesperblock, bytespersec ; | |
| blockalign = WAVLIKE_GSM610_BLOCKSIZE ; | |
| framesperblock = WAVLIKE_GSM610_SAMPLES ; | |
| bytespersec = (psf->sf.samplerate * blockalign) / framesperblock ; | |
| /* fmt chunk. */ | |
| fmt_size = 2 + 2 + 4 + 4 + 2 + 2 + 2 + 2 ; | |
| /* fmt : size, WAV format type, channels. */ | |
| psf_binheader_writef (psf, "422", BHW4 (fmt_size), BHW2 (WAVE_FORMAT_GSM610), BHW2 (psf->sf.channels)) ; | |
| /* fmt : samplerate, bytespersec. */ | |
| psf_binheader_writef (psf, "44", BHW4 (psf->sf.samplerate), BHW4 (bytespersec)) ; | |
| /* fmt : blockalign, bitwidth, extrabytes, framesperblock. */ | |
| psf_binheader_writef (psf, "2222", BHW2 (blockalign), BHW2 (0), BHW2 (2), BHW2 (framesperblock)) ; | |
| } ; | |
| add_fact_chunk = SF_TRUE ; | |
| break ; | |
| #if (ENABLE_EXPERIMENTAL_CODE == 0) | |
| case SF_FORMAT_MPEG_LAYER_III : | |
| { int bytespersec, blockalign, flags, blocksize, samplesperblock, codecdelay ; | |
| /* Intended to be set as the average sample rate. | |
| ** TODO: Maybe re-write this on close with final average | |
| ** byterate? */ | |
| bytespersec = psf->byterate (psf) ; | |
| /* Average block size. Info only I think. */ | |
| blocksize = (1152 * bytespersec) / psf->sf.samplerate ; | |
| /* Can be set to block size IFF the block size is | |
| ** constant, set to 1 otherwise. Constant sized | |
| ** MPEG block streams are uncommon (CBR @ 32kHz and | |
| ** 48kHz only. Meh. */ | |
| blockalign = 1 ; | |
| /* TODO: Only flags defined are padding-type. I /think/ | |
| ** Lame does ISO style padding by default, which has a | |
| ** flag value of 0. | |
| */ | |
| flags = 0 ; | |
| /* Should only vary per MPEG 1.0/2.0 vs '2.5'. | |
| ** TODO: Move this out to MPEG specific place? */ | |
| samplesperblock = psf->sf.samplerate >= 32000 ? 1152 : 576 ; | |
| /* Set as 0 if unknown. | |
| ** TODO: Plumb this cleanly from Lame. | |
| */ | |
| codecdelay = 0 ; | |
| /* fmt chunk. */ | |
| fmt_size = 2 + 2 + 4 + 4 + 2 + 2 + 2 + 2 + 4 + 2 + 2 + 2 ; | |
| /* fmt : size, WAV format type, channels. */ | |
| psf_binheader_writef (psf, "422", BHW4 (fmt_size), BHW2 (WAVE_FORMAT_MPEGLAYER3), BHW2 (psf->sf.channels)) ; | |
| /* fmt : samplerate, bytespersec. */ | |
| psf_binheader_writef (psf, "44", BHW4 (psf->sf.samplerate), BHW4 (bytespersec)) ; | |
| /* fmt : blockalign, bitwidth, extrabytes, id. */ | |
| psf_binheader_writef (psf, "2222", BHW2 (blockalign), BHW2 (0), BHW2 (12), BHW2 (1)) ; | |
| /* fmt : flags, blocksize, samplesperblock, codecdelay */ | |
| psf_binheader_writef (psf, "4222", BHW4 (flags), BHW2 (blocksize), BHW2 (samplesperblock), BHW2 (codecdelay)) ; | |
| } ; | |
| add_fact_chunk = SF_TRUE ; | |
| break ; | |
| #endif | |
| default : return SFE_UNIMPLEMENTED ; | |
| } ; | |
| if (add_fact_chunk) | |
| psf_binheader_writef (psf, "tm48", BHWm (fact_MARKER), BHW4 (4), BHW8 (psf->sf.frames)) ; | |
| return 0 ; | |
| } /* wav_write_fmt_chunk */ | |
| static int | |
| wavex_write_fmt_chunk (SF_PRIVATE *psf) | |
| { WAVLIKE_PRIVATE *wpriv ; | |
| int subformat, fmt_size ; | |
| if ((wpriv = psf->container_data) == NULL) | |
| return SFE_INTERNAL ; | |
| subformat = SF_CODEC (psf->sf.format) ; | |
| /* initial section (same for all, it appears) */ | |
| switch (subformat) | |
| { case SF_FORMAT_PCM_U8 : | |
| case SF_FORMAT_PCM_16 : | |
| case SF_FORMAT_PCM_24 : | |
| case SF_FORMAT_PCM_32 : | |
| case SF_FORMAT_FLOAT : | |
| case SF_FORMAT_DOUBLE : | |
| case SF_FORMAT_ULAW : | |
| case SF_FORMAT_ALAW : | |
| fmt_size = 2 + 2 + 4 + 4 + 2 + 2 + 2 + 2 + 4 + 4 + 2 + 2 + 8 ; | |
| /* fmt : format, channels, samplerate */ | |
| psf_binheader_writef (psf, "4224", BHW4 (fmt_size), BHW2 (WAVE_FORMAT_EXTENSIBLE), BHW2 (psf->sf.channels), BHW4 (psf->sf.samplerate)) ; | |
| /* fmt : bytespersec */ | |
| psf_binheader_writef (psf, "4", BHW4 (psf->sf.samplerate * psf->bytewidth * psf->sf.channels)) ; | |
| /* fmt : blockalign, bitwidth */ | |
| psf_binheader_writef (psf, "22", BHW2 (psf->bytewidth * psf->sf.channels), BHW2 (psf->bytewidth * 8)) ; | |
| /* cbSize 22 is sizeof (WAVEFORMATEXTENSIBLE) - sizeof (WAVEFORMATEX) */ | |
| psf_binheader_writef (psf, "2", BHW2 (22)) ; | |
| /* wValidBitsPerSample, for our use same as bitwidth as we use it fully */ | |
| psf_binheader_writef (psf, "2", BHW2 (psf->bytewidth * 8)) ; | |
| /* For an Ambisonic file set the channel mask to zero. | |
| ** Otherwise use a default based on the channel count. | |
| */ | |
| if (wpriv->wavex_ambisonic != SF_AMBISONIC_NONE) | |
| psf_binheader_writef (psf, "4", BHW4 (0)) ; | |
| else if (wpriv->wavex_channelmask != 0) | |
| psf_binheader_writef (psf, "4", BHW4 (wpriv->wavex_channelmask)) ; | |
| else | |
| { /* | |
| ** Ok some liberty is taken here to use the most commonly used channel masks | |
| ** instead of "no mapping". If you really want to use "no mapping" for 8 channels and less | |
| ** please don't use wavex. (otherwise we'll have to create a new SF_COMMAND) | |
| */ | |
| switch (psf->sf.channels) | |
| { case 1 : /* center channel mono */ | |
| psf_binheader_writef (psf, "4", BHW4 (0x4)) ; | |
| break ; | |
| case 2 : /* front left and right */ | |
| psf_binheader_writef (psf, "4", BHW4 (0x1 | 0x2)) ; | |
| break ; | |
| case 4 : /* Quad */ | |
| psf_binheader_writef (psf, "4", BHW4 (0x1 | 0x2 | 0x10 | 0x20)) ; | |
| break ; | |
| case 6 : /* 5.1 */ | |
| psf_binheader_writef (psf, "4", BHW4 (0x1 | 0x2 | 0x4 | 0x8 | 0x10 | 0x20)) ; | |
| break ; | |
| case 8 : /* 7.1 */ | |
| psf_binheader_writef (psf, "4", BHW4 (0x1 | 0x2 | 0x4 | 0x8 | 0x10 | 0x20 | 0x40 | 0x80)) ; | |
| break ; | |
| default : /* 0 when in doubt , use direct out, ie NO mapping*/ | |
| psf_binheader_writef (psf, "4", BHW4 (0x0)) ; | |
| break ; | |
| } ; | |
| } ; | |
| break ; | |
| case SF_FORMAT_MS_ADPCM : /* Todo, GUID exists might have different header as per wav_write_header */ | |
| default : | |
| return SFE_UNIMPLEMENTED ; | |
| } ; | |
| /* GUID section, different for each */ | |
| switch (subformat) | |
| { case SF_FORMAT_PCM_U8 : | |
| case SF_FORMAT_PCM_16 : | |
| case SF_FORMAT_PCM_24 : | |
| case SF_FORMAT_PCM_32 : | |
| wavlike_write_guid (psf, wpriv->wavex_ambisonic == SF_AMBISONIC_NONE ? | |
| &MSGUID_SUBTYPE_PCM : &MSGUID_SUBTYPE_AMBISONIC_B_FORMAT_PCM) ; | |
| break ; | |
| case SF_FORMAT_FLOAT : | |
| case SF_FORMAT_DOUBLE : | |
| wavlike_write_guid (psf, wpriv->wavex_ambisonic == SF_AMBISONIC_NONE ? | |
| &MSGUID_SUBTYPE_IEEE_FLOAT : &MSGUID_SUBTYPE_AMBISONIC_B_FORMAT_IEEE_FLOAT) ; | |
| break ; | |
| case SF_FORMAT_ULAW : | |
| wavlike_write_guid (psf, &MSGUID_SUBTYPE_MULAW) ; | |
| break ; | |
| case SF_FORMAT_ALAW : | |
| wavlike_write_guid (psf, &MSGUID_SUBTYPE_ALAW) ; | |
| break ; | |
| #if 0 | |
| /* This is dead code due to return in previous switch statement. */ | |
| case SF_FORMAT_MS_ADPCM : /* todo, GUID exists */ | |
| wavlike_write_guid (psf, &MSGUID_SUBTYPE_MS_ADPCM) ; | |
| break ; | |
| return SFE_UNIMPLEMENTED ; | |
| #endif | |
| default : return SFE_UNIMPLEMENTED ; | |
| } ; | |
| psf_binheader_writef (psf, "tm48", BHWm (fact_MARKER), BHW4 (4), BHW8 (psf->sf.frames)) ; | |
| return 0 ; | |
| } /* wavex_write_fmt_chunk */ | |
| static int | |
| wav_write_header (SF_PRIVATE *psf, int calc_length) | |
| { sf_count_t current ; | |
| int error, has_data = SF_FALSE ; | |
| current = psf_ftell (psf) ; | |
| if (current > psf->dataoffset) | |
| has_data = SF_TRUE ; | |
| if (calc_length) | |
| { psf->filelength = psf_get_filelen (psf) ; | |
| psf->datalength = psf->filelength - psf->dataoffset ; | |
| if (psf->dataend) | |
| psf->datalength -= psf->filelength - psf->dataend ; | |
| else if (psf->bytewidth > 0 && psf->sf.seekable == SF_TRUE) | |
| psf->datalength = psf->sf.frames * psf->bytewidth * psf->sf.channels ; | |
| } ; | |
| /* Reset the current header length to zero. */ | |
| psf->header.ptr [0] = 0 ; | |
| psf->header.indx = 0 ; | |
| psf_fseek (psf, 0, SEEK_SET) ; | |
| /* | |
| ** RIFX signifies big-endian format for all header and data. | |
| ** To prevent lots of code copying here, we'll set the psf->rwf_endian flag | |
| ** once here, and never specify endian-ness for all other header operations. | |
| */ | |
| /* RIFF/RIFX marker, length, WAVE and 'fmt ' markers. */ | |
| if (psf->endian == SF_ENDIAN_LITTLE) | |
| psf_binheader_writef (psf, "etm8", BHWm (RIFF_MARKER), BHW8 ((psf->filelength < 8) ? 8 : SF_MIN(psf->filelength - 8, UINT32_MAX))) ; | |
| else | |
| psf_binheader_writef (psf, "Etm8", BHWm (RIFX_MARKER), BHW8 ((psf->filelength < 8) ? 8 : SF_MIN(psf->filelength - 8, UINT32_MAX))) ; | |
| /* WAVE and 'fmt ' markers. */ | |
| psf_binheader_writef (psf, "mm", BHWm (WAVE_MARKER), BHWm (fmt_MARKER)) ; | |
| /* Write the 'fmt ' chunk. */ | |
| switch (SF_CONTAINER (psf->sf.format)) | |
| { case SF_FORMAT_WAV : | |
| if ((error = wav_write_fmt_chunk (psf)) != 0) | |
| return error ; | |
| break ; | |
| case SF_FORMAT_WAVEX : | |
| if ((error = wavex_write_fmt_chunk (psf)) != 0) | |
| return error ; | |
| break ; | |
| default : | |
| return SFE_UNIMPLEMENTED ; | |
| } ; | |
| /* The LIST/INFO chunk. */ | |
| if (psf->strings.flags & SF_STR_LOCATE_START) | |
| wavlike_write_strings (psf, SF_STR_LOCATE_START) ; | |
| if (psf->peak_info != NULL && psf->peak_info->peak_loc == SF_PEAK_START) | |
| wavlike_write_peak_chunk (psf) ; | |
| if (psf->broadcast_16k != NULL) | |
| wavlike_write_bext_chunk (psf) ; | |
| if (psf->cart_16k != NULL) | |
| wavlike_write_cart_chunk (psf) ; | |
| if (psf->cues != NULL) | |
| { uint32_t k ; | |
| psf_binheader_writef (psf, "em44", BHWm (cue_MARKER), BHW4 (4 + psf->cues->cue_count * 6 * 4), BHW4 (psf->cues->cue_count)) ; | |
| for (k = 0 ; k < psf->cues->cue_count ; k++) | |
| psf_binheader_writef (psf, "e44m444", BHW4 (psf->cues->cue_points [k].indx), BHW4 (psf->cues->cue_points [k].position), | |
| BHWm (psf->cues->cue_points [k].fcc_chunk), BHW4 (psf->cues->cue_points [k].chunk_start), | |
| BHW4 (psf->cues->cue_points [k].block_start), BHW4 (psf->cues->cue_points [k].sample_offset)) ; | |
| } ; | |
| if (psf->instrument != NULL) | |
| { int tmp ; | |
| double dtune = (double) (0x40000000) / 25.0 ; | |
| psf_binheader_writef (psf, "m4", BHWm (smpl_MARKER), BHW4 (9 * 4 + psf->instrument->loop_count * 6 * 4)) ; | |
| psf_binheader_writef (psf, "44", BHW4 (0), BHW4 (0)) ; /* Manufacturer zero is everyone */ | |
| tmp = (int) (1.0e9 / psf->sf.samplerate) ; /* Sample period in nano seconds */ | |
| psf_binheader_writef (psf, "44", BHW4 (tmp), BHW4 (psf->instrument->basenote)) ; | |
| tmp = (uint32_t) (psf->instrument->detune * dtune + 0.5) ; | |
| psf_binheader_writef (psf, "4", BHW4 (tmp)) ; | |
| psf_binheader_writef (psf, "44", BHW4 (0), BHW4 (0)) ; /* SMTPE format */ | |
| psf_binheader_writef (psf, "44", BHW4 (psf->instrument->loop_count), BHW4 (0)) ; | |
| /* Make sure we don't read past the loops array end. */ | |
| if (psf->instrument->loop_count > ARRAY_LEN (psf->instrument->loops)) | |
| psf->instrument->loop_count = ARRAY_LEN (psf->instrument->loops) ; | |
| for (tmp = 0 ; tmp < psf->instrument->loop_count ; tmp++) | |
| { int type ; | |
| type = psf->instrument->loops [tmp].mode ; | |
| type = (type == SF_LOOP_FORWARD ? 0 : type == SF_LOOP_BACKWARD ? 2 : type == SF_LOOP_ALTERNATING ? 1 : 32) ; | |
| psf_binheader_writef (psf, "44", BHW4 (tmp), BHW4 (type)) ; | |
| psf_binheader_writef (psf, "44", BHW4 (psf->instrument->loops [tmp].start), BHW4 (psf->instrument->loops [tmp].end - 1)) ; | |
| psf_binheader_writef (psf, "44", BHW4 (0), BHW4 (psf->instrument->loops [tmp].count)) ; | |
| } ; | |
| } ; | |
| /* Write custom headers. */ | |
| if (psf->wchunks.used > 0) | |
| wavlike_write_custom_chunks (psf) ; | |
| if (psf->header.indx + 16 < psf->dataoffset) | |
| { /* Add PAD data if necessary. */ | |
| size_t k = psf->dataoffset - (psf->header.indx + 16) ; | |
| psf_binheader_writef (psf, "m4z", BHWm (PAD_MARKER), BHW4 (k), BHWz (k)) ; | |
| } ; | |
| psf_binheader_writef (psf, "tm8", BHWm (data_MARKER), BHW8 (SF_MIN(psf->datalength, UINT32_MAX))) ; | |
| psf_fwrite (psf->header.ptr, psf->header.indx, 1, psf) ; | |
| if (psf->error) | |
| return psf->error ; | |
| if (has_data && psf->dataoffset != psf->header.indx) | |
| { psf_log_printf (psf, "Oooops : has_data && psf->dataoffset != psf->header.indx\n") ; | |
| return psf->error = SFE_INTERNAL ; | |
| } ; | |
| psf->dataoffset = psf->header.indx ; | |
| if (! has_data) | |
| psf_fseek (psf, psf->dataoffset, SEEK_SET) ; | |
| else if (current > 0) | |
| psf_fseek (psf, current, SEEK_SET) ; | |
| return psf->error ; | |
| } /* wav_write_header */ | |
| static int | |
| wav_write_tailer (SF_PRIVATE *psf) | |
| { | |
| /* Reset the current header buffer length to zero. */ | |
| psf->header.ptr [0] = 0 ; | |
| psf->header.indx = 0 ; | |
| if (psf->bytewidth > 0 && psf->sf.seekable == SF_TRUE) | |
| { psf->datalength = psf->sf.frames * psf->bytewidth * psf->sf.channels ; | |
| psf->dataend = psf->dataoffset + psf->datalength ; | |
| } ; | |
| if (psf->dataend > 0) | |
| psf_fseek (psf, psf->dataend, SEEK_SET) ; | |
| else | |
| psf->dataend = psf_fseek (psf, 0, SEEK_END) ; | |
| if (psf->dataend & 1) | |
| psf_binheader_writef (psf, "z", BHWz (1)) ; | |
| /* Add a PEAK chunk if requested. */ | |
| if (psf->peak_info != NULL && psf->peak_info->peak_loc == SF_PEAK_END) | |
| wavlike_write_peak_chunk (psf) ; | |
| if (psf->strings.flags & SF_STR_LOCATE_END) | |
| wavlike_write_strings (psf, SF_STR_LOCATE_END) ; | |
| /* Write the tailer. */ | |
| if (psf->header.indx > 0) | |
| psf_fwrite (psf->header.ptr, psf->header.indx, 1, psf) ; | |
| return 0 ; | |
| } /* wav_write_tailer */ | |
| static int | |
| wav_close (SF_PRIVATE *psf) | |
| { | |
| if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR) | |
| { wav_write_tailer (psf) ; | |
| if (psf->file.mode == SFM_RDWR) | |
| { sf_count_t current = psf_ftell (psf) ; | |
| /* | |
| ** If the mode is RDWR and the current position is less than the | |
| ** filelength, truncate the file. | |
| */ | |
| if (current < psf->filelength) | |
| { psf_ftruncate (psf, current) ; | |
| psf->filelength = current ; | |
| } ; | |
| } ; | |
| psf->write_header (psf, SF_TRUE) ; | |
| } ; | |
| return 0 ; | |
| } /* wav_close */ | |
| static int | |
| wav_command (SF_PRIVATE *psf, int command, void * UNUSED (data), int datasize) | |
| { WAVLIKE_PRIVATE *wpriv ; | |
| if ((wpriv = psf->container_data) == NULL) | |
| return SFE_INTERNAL ; | |
| switch (command) | |
| { case SFC_WAVEX_SET_AMBISONIC : | |
| if ((SF_CONTAINER (psf->sf.format)) == SF_FORMAT_WAVEX) | |
| { if (datasize == SF_AMBISONIC_NONE) | |
| wpriv->wavex_ambisonic = SF_AMBISONIC_NONE ; | |
| else if (datasize == SF_AMBISONIC_B_FORMAT) | |
| wpriv->wavex_ambisonic = SF_AMBISONIC_B_FORMAT ; | |
| else | |
| return 0 ; | |
| } ; | |
| return wpriv->wavex_ambisonic ; | |
| case SFC_WAVEX_GET_AMBISONIC : | |
| return wpriv->wavex_ambisonic ; | |
| case SFC_SET_CHANNEL_MAP_INFO : | |
| wpriv->wavex_channelmask = wavlike_gen_channel_mask (psf->channel_map, psf->sf.channels) ; | |
| return (wpriv->wavex_channelmask != 0) ; | |
| default : | |
| break ; | |
| } ; | |
| return 0 ; | |
| } /* wav_command */ | |
| static int | |
| wav_read_smpl_chunk (SF_PRIVATE *psf, uint32_t chunklen) | |
| { char buffer [512] ; | |
| uint32_t thisread, bytesread = 0, dword, sampler_data, loop_count, actually_loop_count = 0 ; | |
| uint32_t note, pitch, start, end, type = -1, count ; | |
| int j, k ; | |
| chunklen += (chunklen & 1) ; | |
| bytesread += psf_binheader_readf (psf, "4", &dword) ; | |
| psf_log_printf (psf, " Manufacturer : %X\n", dword) ; | |
| bytesread += psf_binheader_readf (psf, "4", &dword) ; | |
| psf_log_printf (psf, " Product : %u\n", dword) ; | |
| bytesread += psf_binheader_readf (psf, "4", &dword) ; | |
| psf_log_printf (psf, " Period : %u nsec\n", dword) ; | |
| bytesread += psf_binheader_readf (psf, "4", ¬e) ; | |
| psf_log_printf (psf, " Midi Note : %u\n", note) ; | |
| bytesread += psf_binheader_readf (psf, "4", &pitch) ; | |
| if (pitch != 0) | |
| { snprintf (buffer, sizeof (buffer), "%f", | |
| (1.0 * 0x80000000) / ((uint32_t) pitch)) ; | |
| psf_log_printf (psf, " Pitch Fract. : %s\n", buffer) ; | |
| } | |
| else | |
| psf_log_printf (psf, " Pitch Fract. : 0\n") ; | |
| bytesread += psf_binheader_readf (psf, "4", &dword) ; | |
| psf_log_printf (psf, " SMPTE Format : %u\n", dword) ; | |
| bytesread += psf_binheader_readf (psf, "4", &dword) ; | |
| snprintf (buffer, sizeof (buffer), "%02"PRIu32 ":%02"PRIu32 ":%02"PRIu32 | |
| " %02"PRIu32 "", (dword >> 24) & 0x7F, (dword >> 16) & 0x7F, | |
| (dword >> 8) & 0x7F, dword & 0x7F) ; | |
| psf_log_printf (psf, " SMPTE Offset : %s\n", buffer) ; | |
| bytesread += psf_binheader_readf (psf, "4", &loop_count) ; | |
| psf_log_printf (psf, " Loop Count : %u\n", loop_count) ; | |
| if (loop_count == 0 && chunklen == bytesread) | |
| return 0 ; | |
| /* Sampler Data holds the number of data bytes after the CUE chunks which | |
| ** is not actually CUE data. Display value after CUE data. | |
| */ | |
| bytesread += psf_binheader_readf (psf, "4", &sampler_data) ; | |
| if (psf->instrument) | |
| { psf_log_printf (psf, " Found more than one SMPL chunk, using last one.\n") ; | |
| free (psf->instrument) ; | |
| psf->instrument = NULL ; | |
| } ; | |
| if ((psf->instrument = psf_instrument_alloc ()) == NULL) | |
| return SFE_MALLOC_FAILED ; | |
| psf->instrument->loop_count = loop_count ; | |
| for (j = 0 ; loop_count > 0 && chunklen - bytesread >= 24 ; j ++) | |
| { if ((thisread = psf_binheader_readf (psf, "4", &dword)) == 0) | |
| break ; | |
| bytesread += thisread ; | |
| psf_log_printf (psf, " Cue ID : %2u", dword) ; | |
| bytesread += psf_binheader_readf (psf, "4", &type) ; | |
| psf_log_printf (psf, " Type : %2u", type) ; | |
| bytesread += psf_binheader_readf (psf, "4", &start) ; | |
| psf_log_printf (psf, " Start : %5u", start) ; | |
| bytesread += psf_binheader_readf (psf, "4", &end) ; | |
| psf_log_printf (psf, " End : %5u", end) ; | |
| bytesread += psf_binheader_readf (psf, "4", &dword) ; | |
| psf_log_printf (psf, " Fraction : %5u", dword) ; | |
| bytesread += psf_binheader_readf (psf, "4", &count) ; | |
| psf_log_printf (psf, " Count : %5u\n", count) ; | |
| if (j < ARRAY_LEN (psf->instrument->loops)) | |
| { psf->instrument->loops [j].start = start ; | |
| psf->instrument->loops [j].end = end + 1 ; | |
| psf->instrument->loops [j].count = count ; | |
| switch (type) | |
| { case 0 : | |
| psf->instrument->loops [j].mode = SF_LOOP_FORWARD ; | |
| break ; | |
| case 1 : | |
| psf->instrument->loops [j].mode = SF_LOOP_ALTERNATING ; | |
| break ; | |
| case 2 : | |
| psf->instrument->loops [j].mode = SF_LOOP_BACKWARD ; | |
| break ; | |
| default: | |
| psf->instrument->loops [j].mode = SF_LOOP_NONE ; | |
| break ; | |
| } ; | |
| } ; | |
| actually_loop_count ++ ; | |
| } ; | |
| if (actually_loop_count > ARRAY_LEN (psf->instrument->loops)) | |
| { | |
| psf_log_printf (psf, "*** Warning, actual Loop Points count exceeds %u, changing Loop Count from %u to %u\n", ARRAY_LEN (psf->instrument->loops), loop_count, ARRAY_LEN (psf->instrument->loops)) ; | |
| psf->instrument->loop_count = ARRAY_LEN (psf->instrument->loops) ; | |
| } | |
| else if (loop_count != actually_loop_count) | |
| { psf_log_printf (psf, "*** Warning, actual Loop Points count != Loop Count, changing Loop Count from %u to %u\n", loop_count, actually_loop_count) ; | |
| psf->instrument->loop_count = actually_loop_count ; | |
| } ; | |
| if (chunklen - bytesread == 0) | |
| { if (sampler_data != 0) | |
| psf_log_printf (psf, " Sampler Data : %u (should be 0)\n", sampler_data) ; | |
| else | |
| psf_log_printf (psf, " Sampler Data : %u\n", sampler_data) ; | |
| } | |
| else | |
| { if (sampler_data != chunklen - bytesread) | |
| { psf_log_printf (psf, " Sampler Data : %u (should have been %u)\n", sampler_data, chunklen - bytesread) ; | |
| sampler_data = chunklen - bytesread ; | |
| } | |
| else | |
| psf_log_printf (psf, " Sampler Data : %u\n", sampler_data) ; | |
| psf_log_printf (psf, " ") ; | |
| for (k = 0 ; k < (int) sampler_data ; k++) | |
| { char ch ; | |
| if (k > 0 && (k % 20) == 0) | |
| psf_log_printf (psf, "\n ") ; | |
| if ((thisread = psf_binheader_readf (psf, "1", &ch)) == 0) | |
| break ; | |
| bytesread += thisread ; | |
| psf_log_printf (psf, "%02X ", ch & 0xFF) ; | |
| } ; | |
| psf_log_printf (psf, "\n") ; | |
| } ; | |
| psf->instrument->basenote = note ; | |
| psf->instrument->detune = (int8_t) (pitch / (0x40000000 / 25.0) + 0.5) ; | |
| psf->instrument->gain = 1 ; | |
| psf->instrument->velocity_lo = psf->instrument->key_lo = 0 ; | |
| psf->instrument->velocity_hi = psf->instrument->key_hi = 127 ; | |
| return 0 ; | |
| } /* wav_read_smpl_chunk */ | |
| /* | |
| ** The acid chunk goes a little something like this: | |
| ** | |
| ** 4 bytes 'acid' | |
| ** 4 bytes (int) length of chunk starting at next byte | |
| ** | |
| ** 4 bytes (int) type of file: | |
| ** this appears to be a bit mask,however some combinations | |
| ** are probably impossible and/or qualified as "errors" | |
| ** | |
| ** 0x01 On: One Shot Off: Loop | |
| ** 0x02 On: Root note is Set Off: No root | |
| ** 0x04 On: Stretch is On, Off: Strech is OFF | |
| ** 0x08 On: Disk Based Off: Ram based | |
| ** 0x10 On: ?????????? Off: ????????? (Acidizer puts that ON) | |
| ** | |
| ** 2 bytes (short) root note | |
| ** if type 0x10 is OFF : [C,C#,(...),B] -> [0x30 to 0x3B] | |
| ** if type 0x10 is ON : [C,C#,(...),B] -> [0x3C to 0x47] | |
| ** (both types fit on same MIDI pitch albeit different octaves, so who cares) | |
| ** | |
| ** 2 bytes (short) ??? always set to 0x8000 | |
| ** 4 bytes (float) ??? seems to be always 0 | |
| ** 4 bytes (int) number of beats | |
| ** 2 bytes (short) meter denominator //always 4 in SF/ACID | |
| ** 2 bytes (short) meter numerator //always 4 in SF/ACID | |
| ** //are we sure about the order?? usually its num/denom | |
| ** 4 bytes (float) tempo | |
| ** | |
| */ | |
| static int | |
| wav_read_acid_chunk (SF_PRIVATE *psf, uint32_t chunklen) | |
| { char buffer [512] ; | |
| uint32_t bytesread = 0 ; | |
| int beats, flags ; | |
| short rootnote, q1, meter_denom, meter_numer ; | |
| float q2, tempo ; | |
| chunklen += (chunklen & 1) ; | |
| bytesread += psf_binheader_readf (psf, "422f", &flags, &rootnote, &q1, &q2) ; | |
| snprintf (buffer, sizeof (buffer), "%f", q2) ; | |
| psf_log_printf (psf, " Flags : 0x%04x (%s,%s,%s,%s,%s)\n", flags, | |
| (flags & 0x01) ? "OneShot" : "Loop", | |
| (flags & 0x02) ? "RootNoteValid" : "RootNoteInvalid", | |
| (flags & 0x04) ? "StretchOn" : "StretchOff", | |
| (flags & 0x08) ? "DiskBased" : "RAMBased", | |
| (flags & 0x10) ? "??On" : "??Off") ; | |
| psf_log_printf (psf, " Root note : 0x%x\n ???? : 0x%04x\n ???? : %s\n", | |
| rootnote, q1, buffer) ; | |
| bytesread += psf_binheader_readf (psf, "422f", &beats, &meter_denom, &meter_numer, &tempo) ; | |
| snprintf (buffer, sizeof (buffer), "%f", tempo) ; | |
| psf_log_printf (psf, " Beats : %d\n Meter : %d/%d\n Tempo : %s\n", | |
| beats, meter_numer, meter_denom, buffer) ; | |
| psf_binheader_readf (psf, "j", chunklen - bytesread) ; | |
| if (psf->loop_info) | |
| { psf_log_printf (psf, " Found existing loop info, using last one.\n") ; | |
| free (psf->loop_info) ; | |
| psf->loop_info = NULL ; | |
| } ; | |
| if ((psf->loop_info = calloc (1, sizeof (SF_LOOP_INFO))) == NULL) | |
| return SFE_MALLOC_FAILED ; | |
| psf->loop_info->time_sig_num = meter_numer ; | |
| psf->loop_info->time_sig_den = meter_denom ; | |
| psf->loop_info->loop_mode = (flags & 0x01) ? SF_LOOP_NONE : SF_LOOP_FORWARD ; | |
| psf->loop_info->num_beats = beats ; | |
| psf->loop_info->bpm = tempo ; | |
| psf->loop_info->root_key = (flags & 0x02) ? rootnote : -1 ; | |
| return 0 ; | |
| } /* wav_read_acid_chunk */ | |
| /*============================================================================== | |
| */ | |
| static int | |
| wav_set_chunk (SF_PRIVATE *psf, const SF_CHUNK_INFO * chunk_info) | |
| { return psf_save_write_chunk (&psf->wchunks, chunk_info) ; | |
| } /* wav_set_chunk */ | |
| static SF_CHUNK_ITERATOR * | |
| wav_next_chunk_iterator (SF_PRIVATE *psf, SF_CHUNK_ITERATOR * iterator) | |
| { return psf_next_chunk_iterator (&psf->rchunks, iterator) ; | |
| } /* wav_next_chunk_iterator */ | |
| static int | |
| wav_get_chunk_size (SF_PRIVATE *psf, const SF_CHUNK_ITERATOR * iterator, SF_CHUNK_INFO * chunk_info) | |
| { int indx ; | |
| if ((indx = psf_find_read_chunk_iterator (&psf->rchunks, iterator)) < 0) | |
| return SFE_UNKNOWN_CHUNK ; | |
| chunk_info->datalen = psf->rchunks.chunks [indx].len ; | |
| return SFE_NO_ERROR ; | |
| } /* wav_get_chunk_size */ | |
| static int | |
| wav_get_chunk_data (SF_PRIVATE *psf, const SF_CHUNK_ITERATOR * iterator, SF_CHUNK_INFO * chunk_info) | |
| { int indx ; | |
| sf_count_t pos ; | |
| if ((indx = psf_find_read_chunk_iterator (&psf->rchunks, iterator)) < 0) | |
| return SFE_UNKNOWN_CHUNK ; | |
| if (chunk_info->data == NULL) | |
| return SFE_BAD_CHUNK_DATA_PTR ; | |
| chunk_info->id_size = psf->rchunks.chunks [indx].id_size ; | |
| memcpy (chunk_info->id, psf->rchunks.chunks [indx].id, sizeof (chunk_info->id) / sizeof (*chunk_info->id)) ; | |
| pos = psf_ftell (psf) ; | |
| psf_fseek (psf, psf->rchunks.chunks [indx].offset, SEEK_SET) ; | |
| psf_fread (chunk_info->data, SF_MIN (chunk_info->datalen, psf->rchunks.chunks [indx].len), 1, psf) ; | |
| psf_fseek (psf, pos, SEEK_SET) ; | |
| return SFE_NO_ERROR ; | |
| } /* wav_get_chunk_data */ |