150 lines
3.4 KiB
C
150 lines
3.4 KiB
C
/*
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** Copyright (C) 2013 Erik de Castro Lopo <erikd@mega-nerd.com>
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**
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** This program is free software ; you can redistribute it and/or modify
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** it under the terms of the GNU Lesser General Public License as published by
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** the Free Software Foundation ; either version 2.1 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY ; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU Lesser General Public License for more details.
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**
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** You should have received a copy of the GNU Lesser General Public License
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** along with this program ; if not, write to the Free Software
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** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "sfconfig.h"
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#include <stdio.h>
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#include <fcntl.h>
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#include <string.h>
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#include <ctype.h>
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#include <time.h>
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#include <math.h>
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#if HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include "sndfile.h"
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#include "sfendian.h"
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#include "common.h"
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#if (ENABLE_EXPERIMENTAL_CODE && HAVE_EXTERNAL_LIBS)
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#include <ogg/ogg.h>
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#include "ogg.h"
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typedef struct
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{ int32_t serialno ;
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void * state ;
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} OPUS_PRIVATE ;
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static int ogg_opus_read_header (SF_PRIVATE * psf) ;
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static int ogg_opus_close (SF_PRIVATE *psf) ;
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int
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ogg_opus_open (SF_PRIVATE *psf)
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{ OGG_PRIVATE* odata = psf->container_data ;
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OPUS_PRIVATE* oopus = calloc (1, sizeof (OPUS_PRIVATE)) ;
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int error = 0 ;
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if (odata == NULL)
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{ psf_log_printf (psf, "%s : odata is NULL???\n", __func__) ;
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return SFE_INTERNAL ;
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} ;
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psf->codec_data = oopus ;
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if (oopus == NULL)
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return SFE_MALLOC_FAILED ;
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if (psf->file.mode == SFM_RDWR)
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return SFE_BAD_MODE_RW ;
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if (psf->file.mode == SFM_READ)
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{ /* Call this here so it only gets called once, so no memory is leaked. */
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ogg_sync_init (&odata->osync) ;
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if ((error = ogg_opus_read_header (psf)))
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return error ;
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#if 0
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psf->read_short = ogg_opus_read_s ;
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psf->read_int = ogg_opus_read_i ;
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psf->read_float = ogg_opus_read_f ;
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psf->read_double = ogg_opus_read_d ;
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psf->sf.frames = ogg_opus_length (psf) ;
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#endif
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} ;
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psf->codec_close = ogg_opus_close ;
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if (psf->file.mode == SFM_WRITE)
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{
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#if 0
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/* Set the default oopus quality here. */
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vdata->quality = 0.4 ;
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psf->write_header = ogg_opus_write_header ;
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psf->write_short = ogg_opus_write_s ;
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psf->write_int = ogg_opus_write_i ;
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psf->write_float = ogg_opus_write_f ;
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psf->write_double = ogg_opus_write_d ;
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#endif
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psf->sf.frames = SF_COUNT_MAX ; /* Unknown really */
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psf->strings.flags = SF_STR_ALLOW_START ;
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} ;
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psf->bytewidth = 1 ;
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psf->blockwidth = psf->bytewidth * psf->sf.channels ;
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#if 0
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psf->seek = ogg_opus_seek ;
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psf->command = ogg_opus_command ;
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#endif
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/* FIXME, FIXME, FIXME : Hack these here for now and correct later. */
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psf->sf.format = SF_FORMAT_OGG | SF_FORMAT_SPEEX ;
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psf->sf.sections = 1 ;
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psf->datalength = 1 ;
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psf->dataoffset = 0 ;
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/* End FIXME. */
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return error ;
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} /* ogg_opus_open */
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static int
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ogg_opus_read_header (SF_PRIVATE * UNUSED (psf))
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{
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return 0 ;
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} /* ogg_opus_read_header */
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static int
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ogg_opus_close (SF_PRIVATE * UNUSED (psf))
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{
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return 0 ;
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} /* ogg_opus_close */
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#else /* ENABLE_EXPERIMENTAL_CODE && HAVE_EXTERNAL_LIBS */
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int
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ogg_opus_open (SF_PRIVATE *psf)
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{
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psf_log_printf (psf, "This version of libsndfile was compiled without Ogg/Opus support.\n") ;
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return SFE_UNIMPLEMENTED ;
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} /* ogg_opus_open */
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#endif
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