/* ** Copyright (C) 1999-2019 Erik de Castro Lopo ** Copyright (C) 2004-2005 David Viens ** ** 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 #include #include #include #include #include #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')) #define WAVLIKE_PEAK_CHUNK_SIZE(ch) (2 * sizeof (int) + ch * (sizeof (float) + sizeof (int))) enum { HAVE_RIFF = 0x01, HAVE_WAVE = 0x02, HAVE_fmt = 0x04, HAVE_fact = 0x08, HAVE_PEAK = 0x10, HAVE_data = 0x20, HAVE_other = 0x80000000 } ; /* 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 (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 ; 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 > SF_PLATFORM_S64 (0xffffffff)) 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 (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 : *blockalign = wav_fmt->min.blockalign ; *framesperblock = 160 ; 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 ; 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 ; 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 : psf->filelength - 8)) ; else psf_binheader_writef (psf, "Etm8", BHWm (RIFX_MARKER), BHW8 ((psf->filelength < 8) ? 8 : psf->filelength - 8)) ; /* 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 (psf->datalength)) ; 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), "%02d:%02d:%02d %02d", (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 */