X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/1059e1cc0c2ecfa237406949aa26155b6a5b9154..66f23d4fabf89ad09adbd4dfc15ac6b5b2b7da83:/interpretor/lib/src/libsndfile-1.0.25/src/interleave.c diff --git a/interpretor/lib/src/libsndfile-1.0.25/src/interleave.c b/interpretor/lib/src/libsndfile-1.0.25/src/interleave.c deleted file mode 100644 index ca9d7b4..0000000 --- a/interpretor/lib/src/libsndfile-1.0.25/src/interleave.c +++ /dev/null @@ -1,300 +0,0 @@ -/* -** Copyright (C) 2002-2011 Erik de Castro Lopo -** -** 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 "sfendian.h" - -#include - -#include "sndfile.h" -#include "common.h" - -#define INTERLEAVE_CHANNELS 6 - -typedef struct -{ double buffer [SF_BUFFER_LEN / sizeof (double)] ; - - sf_count_t channel_len ; - - sf_count_t (*read_short) (SF_PRIVATE*, short *ptr, sf_count_t len) ; - sf_count_t (*read_int) (SF_PRIVATE*, int *ptr, sf_count_t len) ; - sf_count_t (*read_float) (SF_PRIVATE*, float *ptr, sf_count_t len) ; - sf_count_t (*read_double) (SF_PRIVATE*, double *ptr, sf_count_t len) ; - -} INTERLEAVE_DATA ; - - - -static sf_count_t interleave_read_short (SF_PRIVATE *psf, short *ptr, sf_count_t len) ; -static sf_count_t interleave_read_int (SF_PRIVATE *psf, int *ptr, sf_count_t len) ; -static sf_count_t interleave_read_float (SF_PRIVATE *psf, float *ptr, sf_count_t len) ; -static sf_count_t interleave_read_double (SF_PRIVATE *psf, double *ptr, sf_count_t len) ; - -static sf_count_t interleave_seek (SF_PRIVATE*, int mode, sf_count_t samples_from_start) ; - - - - -int -interleave_init (SF_PRIVATE *psf) -{ INTERLEAVE_DATA *pdata ; - - if (psf->file.mode != SFM_READ) - return SFE_INTERLEAVE_MODE ; - - if (psf->interleave) - { psf_log_printf (psf, "*** Weird, already have interleave.\n") ; - return 666 ; - } ; - - /* Free this in sf_close() function. */ - if (! (pdata = malloc (sizeof (INTERLEAVE_DATA)))) - return SFE_MALLOC_FAILED ; - -puts ("interleave_init") ; - - psf->interleave = pdata ; - - /* Save the existing methods. */ - pdata->read_short = psf->read_short ; - pdata->read_int = psf->read_int ; - pdata->read_float = psf->read_float ; - pdata->read_double = psf->read_double ; - - pdata->channel_len = psf->sf.frames * psf->bytewidth ; - - /* Insert our new methods. */ - psf->read_short = interleave_read_short ; - psf->read_int = interleave_read_int ; - psf->read_float = interleave_read_float ; - psf->read_double = interleave_read_double ; - - psf->seek = interleave_seek ; - - return 0 ; -} /* pcm_interleave_init */ - -/*------------------------------------------------------------------------------ -*/ - -static sf_count_t -interleave_read_short (SF_PRIVATE *psf, short *ptr, sf_count_t len) -{ INTERLEAVE_DATA *pdata ; - sf_count_t offset, templen ; - int chan, count, k ; - short *inptr, *outptr ; - - if (! (pdata = psf->interleave)) - return 0 ; - - inptr = (short*) pdata->buffer ; - - for (chan = 0 ; chan < psf->sf.channels ; chan++) - { outptr = ptr + chan ; - - offset = psf->dataoffset + chan * psf->bytewidth * psf->read_current ; - - if (psf_fseek (psf, offset, SEEK_SET) != offset) - { psf->error = SFE_INTERLEAVE_SEEK ; - return 0 ; - } ; - - templen = len / psf->sf.channels ; - - while (templen > 0) - { if (templen > SIGNED_SIZEOF (pdata->buffer) / SIGNED_SIZEOF (short)) - count = SIGNED_SIZEOF (pdata->buffer) / SIGNED_SIZEOF (short) ; - else - count = (int) templen ; - - if (pdata->read_short (psf, inptr, count) != count) - { psf->error = SFE_INTERLEAVE_READ ; - return 0 ; - } ; - - for (k = 0 ; k < count ; k++) - { *outptr = inptr [k] ; - outptr += psf->sf.channels ; - } ; - - templen -= count ; - } ; - } ; - - return len ; -} /* interleave_read_short */ - -static sf_count_t -interleave_read_int (SF_PRIVATE *psf, int *ptr, sf_count_t len) -{ INTERLEAVE_DATA *pdata ; - sf_count_t offset, templen ; - int chan, count, k ; - int *inptr, *outptr ; - - if (! (pdata = psf->interleave)) - return 0 ; - - inptr = (int*) pdata->buffer ; - - for (chan = 0 ; chan < psf->sf.channels ; chan++) - { outptr = ptr + chan ; - - offset = psf->dataoffset + chan * psf->bytewidth * psf->read_current ; - - if (psf_fseek (psf, offset, SEEK_SET) != offset) - { psf->error = SFE_INTERLEAVE_SEEK ; - return 0 ; - } ; - - templen = len / psf->sf.channels ; - - while (templen > 0) - { if (templen > SIGNED_SIZEOF (pdata->buffer) / SIGNED_SIZEOF (int)) - count = SIGNED_SIZEOF (pdata->buffer) / SIGNED_SIZEOF (int) ; - else - count = (int) templen ; - - if (pdata->read_int (psf, inptr, count) != count) - { psf->error = SFE_INTERLEAVE_READ ; - return 0 ; - } ; - - for (k = 0 ; k < count ; k++) - { *outptr = inptr [k] ; - outptr += psf->sf.channels ; - } ; - - templen -= count ; - } ; - } ; - - return len ; -} /* interleave_read_int */ - -static sf_count_t -interleave_read_float (SF_PRIVATE *psf, float *ptr, sf_count_t len) -{ INTERLEAVE_DATA *pdata ; - sf_count_t offset, templen ; - int chan, count, k ; - float *inptr, *outptr ; - - if (! (pdata = psf->interleave)) - return 0 ; - - inptr = (float*) pdata->buffer ; - - for (chan = 0 ; chan < psf->sf.channels ; chan++) - { outptr = ptr + chan ; - - offset = psf->dataoffset + pdata->channel_len * chan + psf->read_current * psf->bytewidth ; - -/*-printf ("chan : %d read_current : %6lld offset : %6lld\n", chan, psf->read_current, offset) ;-*/ - - if (psf_fseek (psf, offset, SEEK_SET) != offset) - { psf->error = SFE_INTERLEAVE_SEEK ; -/*-puts ("interleave_seek error") ; exit (1) ;-*/ - return 0 ; - } ; - - templen = len / psf->sf.channels ; - - while (templen > 0) - { if (templen > SIGNED_SIZEOF (pdata->buffer) / SIGNED_SIZEOF (float)) - count = SIGNED_SIZEOF (pdata->buffer) / SIGNED_SIZEOF (float) ; - else - count = (int) templen ; - - if (pdata->read_float (psf, inptr, count) != count) - { psf->error = SFE_INTERLEAVE_READ ; -/*-puts ("interleave_read error") ; exit (1) ;-*/ - return 0 ; - } ; - - for (k = 0 ; k < count ; k++) - { *outptr = inptr [k] ; - outptr += psf->sf.channels ; - } ; - - templen -= count ; - } ; - } ; - - return len ; -} /* interleave_read_float */ - -static sf_count_t -interleave_read_double (SF_PRIVATE *psf, double *ptr, sf_count_t len) -{ INTERLEAVE_DATA *pdata ; - sf_count_t offset, templen ; - int chan, count, k ; - double *inptr, *outptr ; - - if (! (pdata = psf->interleave)) - return 0 ; - - inptr = (double*) pdata->buffer ; - - for (chan = 0 ; chan < psf->sf.channels ; chan++) - { outptr = ptr + chan ; - - offset = psf->dataoffset + chan * psf->bytewidth * psf->read_current ; - - if (psf_fseek (psf, offset, SEEK_SET) != offset) - { psf->error = SFE_INTERLEAVE_SEEK ; - return 0 ; - } ; - - templen = len / psf->sf.channels ; - - while (templen > 0) - { if (templen > SIGNED_SIZEOF (pdata->buffer) / SIGNED_SIZEOF (double)) - count = SIGNED_SIZEOF (pdata->buffer) / SIGNED_SIZEOF (double) ; - else - count = (int) templen ; - - if (pdata->read_double (psf, inptr, count) != count) - { psf->error = SFE_INTERLEAVE_READ ; - return 0 ; - } ; - - for (k = 0 ; k < count ; k++) - { *outptr = inptr [k] ; - outptr += psf->sf.channels ; - } ; - - templen -= count ; - } ; - } ; - - return len ; -} /* interleave_read_double */ - -/*------------------------------------------------------------------------------ -*/ - -static sf_count_t -interleave_seek (SF_PRIVATE *psf, int mode, sf_count_t samples_from_start) -{ psf = psf ; mode = mode ; - - /* - ** Do nothing here. This is a place holder to prevent the default - ** seek function from being called. - */ - - return samples_from_start ; -} /* interleave_seek */ -