remove nulfile.c

dev
xufulong 3 years ago
parent 3510350c01
commit fedde765de
  1. 1
      app/src/main/cpp/sox/CmakeLists.txt
  2. 2
      app/src/main/cpp/sox/formats.h
  3. 58
      app/src/main/cpp/sox/nulfile.c

@ -102,7 +102,6 @@ set(formats_srcs
ima_rw.c
la-fmt.c
lu-fmt.c
nulfile.c
prc.c
raw.c
raw.h

@ -36,7 +36,7 @@
FORMAT(la)
FORMAT(lu)
// FORMAT(maud)
FORMAT(nul)
// FORMAT(nul)
FORMAT(prc)
FORMAT(raw)
FORMAT(s1)

@ -1,58 +0,0 @@
/* libSoX file format: null (c) 2006-8 SoX contributors
* Based on an original idea by Carsten Borchardt
*
* This library 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 library 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 library; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "sox_i.h"
#include <string.h>
static int startread(sox_format_t * ft)
{
if (!ft->signal.rate) {
ft->signal.rate = SOX_DEFAULT_RATE;
lsx_report("sample rate not specified; using %g", ft->signal.rate);
}
ft->signal.precision = ft->encoding.bits_per_sample?
ft->encoding.bits_per_sample: SOX_SAMPLE_PRECISION;
/* Default number of channels is application-dependent */
return SOX_SUCCESS;
}
static size_t read_samples(sox_format_t * ft, sox_sample_t * buf, size_t len)
{
/* Reading from null generates silence i.e. (sox_sample_t)0. */
(void)ft;
memset(buf, 0, sizeof(sox_sample_t) * len);
return len; /* Return number of samples "read". */
}
static size_t write_samples(
sox_format_t * ft, sox_sample_t const * buf, size_t len)
{
/* Writing to null just discards the samples */
(void)ft, (void)buf;
return len; /* Return number of samples "written". */
}
LSX_FORMAT_HANDLER(nul)
{
static const char * const names[] = {"null", NULL};
static sox_format_handler_t const handler = {SOX_LIB_VERSION_CODE,
NULL, names, SOX_FILE_DEVICE | SOX_FILE_PHONY | SOX_FILE_NOSTDIO,
startread, read_samples,NULL,NULL, write_samples,NULL,NULL, NULL, NULL, 0
};
return &handler;
}
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