libsndfile compiling.
[Faustine.git] / interpretor / lib / src / libsndfile-1.0.25 / src / rx2.c
diff --git a/interpretor/lib/src/libsndfile-1.0.25/src/rx2.c b/interpretor/lib/src/libsndfile-1.0.25/src/rx2.c
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+/*
+** Copyright (C) 2001-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
+**
+** This program is free software; you can redistribute it and/or modify
+** it under the terms of the GNU Lesser General Public License as published by
+** the Free Software Foundation; either version 2.1 of the License, or
+** (at your option) any later version.
+**
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+** GNU Lesser General Public License for more details.
+**
+** You should have received a copy of the GNU Lesser General Public License
+** along with this program; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#include       "sfconfig.h"
+
+#include       <stdio.h>
+#include       <string.h>
+#include       <ctype.h>
+#include       <stdarg.h>
+
+#include       "sndfile.h"
+#include       "sfendian.h"
+#include       "common.h"
+
+#if (ENABLE_EXPERIMENTAL_CODE == 0)
+
+int
+rx2_open       (SF_PRIVATE *psf)
+{      if (psf)
+               return SFE_UNIMPLEMENTED ;
+       return 0 ;
+} /* rx2_open */
+
+#else
+
+/*------------------------------------------------------------------------------
+ * Macros to handle big/little endian issues.
+*/
+
+#define        CAT_MARKER      (MAKE_MARKER ('C', 'A', 'T', ' '))
+#define        GLOB_MARKER (MAKE_MARKER ('G', 'L', 'O', 'B'))
+
+#define        RECY_MARKER (MAKE_MARKER ('R', 'E', 'C', 'Y'))
+
+#define        SLCL_MARKER (MAKE_MARKER ('S', 'L', 'C', 'L'))
+#define        SLCE_MARKER (MAKE_MARKER ('S', 'L', 'C', 'E'))
+
+#define        DEVL_MARKER     (MAKE_MARKER ('D', 'E', 'V', 'L'))
+#define        TRSH_MARKER     (MAKE_MARKER ('T', 'R', 'S', 'H'))
+
+#define        EQ_MARKER       (MAKE_MARKER ('E', 'Q', ' ', ' '))
+#define        COMP_MARKER (MAKE_MARKER ('C', 'O', 'M', 'P'))
+
+#define        SINF_MARKER (MAKE_MARKER ('S', 'I', 'N', 'F'))
+#define        SDAT_MARKER (MAKE_MARKER ('S', 'D', 'A', 'T'))
+
+/*------------------------------------------------------------------------------
+ * Typedefs for file chunks.
+*/
+
+
+/*------------------------------------------------------------------------------
+ * Private static functions.
+*/
+static int     rx2_close       (SF_PRIVATE *psf) ;
+
+/*------------------------------------------------------------------------------
+** Public functions.
+*/
+
+int
+rx2_open       (SF_PRIVATE *psf)
+{      static const char *marker_type [4] =
+       {       "Original Enabled", "Enabled Hidden",
+               "Additional/PencilTool", "Disabled"
+               } ;
+
+       int error, marker, length, glob_offset, slce_count, frames ;
+
+       int sdat_length = 0, slce_total = 0 ;
+
+       int n_channels ;
+
+
+       /* So far only doing read. */
+
+       psf_binheader_readf (psf, "Epm4", 0, &marker, &length) ;
+
+       if (marker != CAT_MARKER)
+       {       psf_log_printf (psf, "length : %d\n", length) ;
+               return -1000 ;
+               } ;
+
+       if (length != psf->filelength - 8)
+               psf_log_printf (psf, "%M : %d (should be %d)\n", marker, length, psf->filelength - 8) ;
+       else
+               psf_log_printf (psf, "%M : %d\n", marker, length) ;
+
+       /* 'REX2' marker */
+       psf_binheader_readf (psf, "m", &marker) ;
+       psf_log_printf (psf, "%M", marker) ;
+
+       /* 'HEAD' marker */
+       psf_binheader_readf (psf, "m", &marker) ;
+       psf_log_printf (psf, "%M\n", marker) ;
+
+       /* Grab 'GLOB' offset. */
+       psf_binheader_readf (psf, "E4", &glob_offset) ;
+       glob_offset += 0x14 ;   /* Add the current file offset. */
+
+       /* Jump to offset 0x30 */
+       psf_binheader_readf (psf, "p", 0x30) ;
+
+       /* Get name length */
+       length = 0 ;
+       psf_binheader_readf (psf, "1", &length) ;
+       if (length >= SIGNED_SIZEOF (psf->u.cbuf))
+       {       psf_log_printf (psf, "  Text : %d *** Error : Too sf_count_t!\n") ;
+               return -1001 ;
+               }
+
+       memset (psf->u.cbuf, 0, sizeof (psf->u.cbuf)) ;
+       psf_binheader_readf (psf, "b", psf->u.cbuf, length) ;
+       psf_log_printf (psf, " Text : \"%s\"\n", psf->u.cbuf) ;
+
+       /* Jump to GLOB offset position. */
+       if (glob_offset & 1)
+               glob_offset ++ ;
+
+       psf_binheader_readf (psf, "p", glob_offset) ;
+
+       slce_count = 0 ;
+       /* GLOB */
+       while (1)
+       {       psf_binheader_readf (psf, "m", &marker) ;
+
+               if (marker != SLCE_MARKER && slce_count > 0)
+               {       psf_log_printf (psf, "   SLCE count : %d\n", slce_count) ;
+                       slce_count = 0 ;
+                       }
+               switch (marker)
+               {       case GLOB_MARKER:
+                                       psf_binheader_readf (psf, "E4", &length) ;
+                                       psf_log_printf (psf, " %M : %d\n", marker, length) ;
+                                       psf_binheader_readf (psf, "j", length) ;
+                                       break ;
+
+                       case RECY_MARKER:
+                                       psf_binheader_readf (psf, "E4", &length) ;
+                                       psf_log_printf (psf, " %M : %d\n", marker, length) ;
+                                       psf_binheader_readf (psf, "j", (length+1) & 0xFFFFFFFE) ; /* ?????? */
+                                       break ;
+
+                       case CAT_MARKER:
+                                       psf_binheader_readf (psf, "E4", &length) ;
+                                       psf_log_printf (psf, " %M : %d\n", marker, length) ;
+                                       /*-psf_binheader_readf (psf, "j", length) ;-*/
+                                       break ;
+
+                       case DEVL_MARKER:
+                                       psf_binheader_readf (psf, "mE4", &marker, &length) ;
+                                       psf_log_printf (psf, "  DEVL%M : %d\n", marker, length) ;
+                                       if (length & 1)
+                                               length ++ ;
+                                       psf_binheader_readf (psf, "j", length) ;
+                                       break ;
+
+                       case EQ_MARKER:
+                       case COMP_MARKER:
+                                       psf_binheader_readf (psf, "E4", &length) ;
+                                       psf_log_printf (psf, "   %M : %d\n", marker, length) ;
+                                       /* This is weird!!!! why make this (length - 1) */
+                                       if (length & 1)
+                                               length ++ ;
+                                       psf_binheader_readf (psf, "j", length) ;
+                                       break ;
+
+                       case SLCL_MARKER:
+                                       psf_log_printf (psf, "  %M\n    (Offset, Next Offset, Type)\n", marker) ;
+                                       slce_count = 0 ;
+                                       break ;
+
+                       case SLCE_MARKER:
+                                       {       int len [4], indx ;
+
+                                               psf_binheader_readf (psf, "E4444", &len [0], &len [1], &len [2], &len [3]) ;
+
+                                               indx = ((len [3] & 0x0000FFFF) >> 8) & 3 ;
+
+                                               if (len [2] == 1)
+                                               {       if (indx != 1)
+                                                               indx = 3 ;      /* 2 cases, where next slice offset = 1 -> disabled & enabled/hidden */
+
+                                                       psf_log_printf (psf, "   %M : (%6d, ?: 0x%X, %s)\n", marker, len [1], (len [3] & 0xFFFF0000) >> 16, marker_type [indx]) ;
+                                                       }
+                                               else
+                                               {       slce_total += len [2] ;
+
+                                                       psf_log_printf (psf, "   %M : (%6d, SLCE_next_ofs:%d, ?: 0x%X, %s)\n", marker, len [1], len [2], (len [3] & 0xFFFF0000) >> 16, marker_type [indx]) ;
+                                                       } ;
+
+                                               slce_count ++ ;
+                                               } ;
+                                       break ;
+
+                       case SINF_MARKER:
+                                       psf_binheader_readf (psf, "E4", &length) ;
+                                       psf_log_printf (psf, " %M : %d\n", marker, length) ;
+
+                                       psf_binheader_readf (psf, "E2", &n_channels) ;
+                                       n_channels = (n_channels & 0x0000FF00) >> 8 ;
+                                       psf_log_printf (psf, "  Channels    : %d\n", n_channels) ;
+
+                                       psf_binheader_readf (psf, "E44", &psf->sf.samplerate, &frames) ;
+                                       psf->sf.frames = frames ;
+                                       psf_log_printf (psf, "  Sample Rate : %d\n", psf->sf.samplerate) ;
+                                       psf_log_printf (psf, "  Frames      : %D\n", psf->sf.frames) ;
+
+                                       psf_binheader_readf (psf, "E4", &length) ;
+                                       psf_log_printf (psf, "  ??????????? : %d\n", length) ;
+
+                                       psf_binheader_readf (psf, "E4", &length) ;
+                                       psf_log_printf (psf, "  ??????????? : %d\n", length) ;
+                                       break ;
+
+                       case SDAT_MARKER:
+                                       psf_binheader_readf (psf, "E4", &length) ;
+
+                               sdat_length = length ;
+
+                                       /* Get the current offset. */
+                                       psf->dataoffset = psf_binheader_readf (psf, NULL) ;
+
+                                       if (psf->dataoffset + length != psf->filelength)
+                                               psf_log_printf (psf, " %M : %d (should be %d)\n", marker, length, psf->dataoffset + psf->filelength) ;
+                                       else
+                                               psf_log_printf (psf, " %M : %d\n", marker, length) ;
+                                       break ;
+
+                       default :
+                                       psf_log_printf (psf, "Unknown marker : 0x%X %M", marker, marker) ;
+                                       return -1003 ;
+                                       break ;
+                       } ;
+
+               /* SDAT always last marker in file. */
+               if (marker == SDAT_MARKER)
+                       break ;
+               } ;
+
+       puts (psf->logbuffer) ;
+       puts ("-----------------------------------") ;
+
+       printf ("SDAT length  : %d\n", sdat_length) ;
+       printf ("SLCE count   : %d\n", slce_count) ;
+
+       /* Hack for zero slice count. */
+       if (slce_count == 0 && slce_total == 1)
+               slce_total = frames ;
+
+       printf ("SLCE samples : %d\n", slce_total) ;
+
+       /* Two bytes per sample. */
+       printf ("Comp Ratio   : %f:1\n", (2.0 * slce_total * n_channels) / sdat_length) ;
+
+       puts (" ") ;
+
+       psf->logbuffer [0] = 0 ;
+
+       /* OK, have the header although not too sure what it all means. */
+
+       psf->endian = SF_ENDIAN_BIG ;
+
+       psf->datalength = psf->filelength - psf->dataoffset ;
+
+       if (psf_fseek (psf, psf->dataoffset, SEEK_SET))
+               return SFE_BAD_SEEK ;
+
+       psf->sf.format = (SF_FORMAT_REX2 | SF_FORMAT_DWVW_12) ;
+
+       psf->sf.channels        = 1 ;
+       psf->bytewidth          = 2 ;
+       psf->blockwidth         = psf->sf.channels * psf->bytewidth ;
+
+       if ((error = dwvw_init (psf, 16)))
+               return error ;
+
+       psf->container_close = rx2_close ;
+
+       if (! psf->sf.frames && psf->blockwidth)
+               psf->sf.frames = psf->datalength / psf->blockwidth ;
+
+       /* All done. */
+
+       return 0 ;
+} /* rx2_open */
+
+/*------------------------------------------------------------------------------
+*/
+
+static int
+rx2_close      (SF_PRIVATE *psf)
+{
+       if (psf->file.mode == SFM_WRITE)
+       {       /*  Now we know for certain the length of the file we can re-write
+               **      correct values for the FORM, 8SVX and BODY chunks.
+               */
+
+               } ;
+
+       return 0 ;
+} /* rx2_close */
+
+#endif