X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/992d59159547267e1491fcd1c5123765b4c452b8..63cf293f572ae7d5c1c83b9dffb31e7d774f8854:/interpretor/lib/src/libsndfile-1.0.25/tests/virtual_io_test.c diff --git a/interpretor/lib/src/libsndfile-1.0.25/tests/virtual_io_test.c b/interpretor/lib/src/libsndfile-1.0.25/tests/virtual_io_test.c new file mode 100644 index 0000000..1aae063 --- /dev/null +++ b/interpretor/lib/src/libsndfile-1.0.25/tests/virtual_io_test.c @@ -0,0 +1,237 @@ +/* +** Copyright (C) 1999-2011 Erik de Castro Lopo +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 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 General Public License for more details. +** +** You should have received a copy of the GNU 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 + +#include + +#include "utils.h" + +static void vio_test (const char *fname, int format) ; + +int +main (void) +{ + vio_test ("vio_pcm16.wav", SF_FORMAT_WAV | SF_FORMAT_PCM_16) ; + vio_test ("vio_pcm24.aiff", SF_FORMAT_AIFF | SF_FORMAT_PCM_24) ; + vio_test ("vio_float.au", SF_FORMAT_AU | SF_FORMAT_FLOAT) ; + vio_test ("vio_pcm24.paf", SF_FORMAT_PAF | SF_FORMAT_PCM_24) ; + + return 0 ; +} /* main */ + +/*============================================================================== +*/ + +typedef struct +{ sf_count_t offset, length ; + unsigned char data [16 * 1024] ; +} VIO_DATA ; + +static sf_count_t +vfget_filelen (void *user_data) +{ VIO_DATA *vf = (VIO_DATA *) user_data ; + + return vf->length ; +} /* vfget_filelen */ + +static sf_count_t +vfseek (sf_count_t offset, int whence, void *user_data) +{ VIO_DATA *vf = (VIO_DATA *) user_data ; + + switch (whence) + { case SEEK_SET : + vf->offset = offset ; + break ; + + case SEEK_CUR : + vf->offset = vf->offset + offset ; + break ; + + case SEEK_END : + vf->offset = vf->length + offset ; + break ; + default : + break ; + } ; + + return vf->offset ; +} /* vfseek */ + +static sf_count_t +vfread (void *ptr, sf_count_t count, void *user_data) +{ VIO_DATA *vf = (VIO_DATA *) user_data ; + + /* + ** This will brack badly for files over 2Gig in length, but + ** is sufficient for testing. + */ + if (vf->offset + count > vf->length) + count = vf->length - vf->offset ; + + memcpy (ptr, vf->data + vf->offset, count) ; + vf->offset += count ; + + return count ; +} /* vfread */ + +static sf_count_t +vfwrite (const void *ptr, sf_count_t count, void *user_data) +{ VIO_DATA *vf = (VIO_DATA *) user_data ; + + /* + ** This will break badly for files over 2Gig in length, but + ** is sufficient for testing. + */ + if (vf->offset >= SIGNED_SIZEOF (vf->data)) + return 0 ; + + if (vf->offset + count > SIGNED_SIZEOF (vf->data)) + count = sizeof (vf->data) - vf->offset ; + + memcpy (vf->data + vf->offset, ptr, (size_t) count) ; + vf->offset += count ; + + if (vf->offset > vf->length) + vf->length = vf->offset ; + + return count ; +} /* vfwrite */ + +static sf_count_t +vftell (void *user_data) +{ VIO_DATA *vf = (VIO_DATA *) user_data ; + + return vf->offset ; +} /* vftell */ + + +/*============================================================================== +*/ + +static void +gen_short_data (short * data, int len, int start) +{ int k ; + + for (k = 0 ; k < len ; k++) + data [k] = start + k ; +} /* gen_short_data */ + + +static void +check_short_data (short * data, int len, int start, int line) +{ int k ; + + for (k = 0 ; k < len ; k++) + if (data [k] != start + k) + { printf ("\n\nLine %d : data [%d] = %d (should be %d).\n\n", line, k, data [k], start + k) ; + exit (1) ; + } ; +} /* gen_short_data */ + +/*------------------------------------------------------------------------------ +*/ + +static void +vio_test (const char *fname, int format) +{ static VIO_DATA vio_data ; + static short data [256] ; + + SF_VIRTUAL_IO vio ; + SNDFILE * file ; + SF_INFO sfinfo ; + + print_test_name ("virtual i/o test", fname) ; + + /* Set up pointers to the locally defined functions. */ + vio.get_filelen = vfget_filelen ; + vio.seek = vfseek ; + vio.read = vfread ; + vio.write = vfwrite ; + vio.tell = vftell ; + + /* Set virtual file offset and length to zero. */ + vio_data.offset = 0 ; + vio_data.length = 0 ; + + memset (&sfinfo, 0, sizeof (sfinfo)) ; + sfinfo.format = format ; + sfinfo.channels = 2 ; + sfinfo.samplerate = 44100 ; + + if ((file = sf_open_virtual (&vio, SFM_WRITE, &sfinfo, &vio_data)) == NULL) + { printf ("\n\nLine %d : sf_open_write failed with error : ", __LINE__) ; + fflush (stdout) ; + puts (sf_strerror (NULL)) ; + exit (1) ; + } ; + + if (vfget_filelen (&vio_data) < 0) + { printf ("\n\nLine %d : vfget_filelen returned negative length.\n\n", __LINE__) ; + exit (1) ; + } ; + + gen_short_data (data, ARRAY_LEN (data), 0) ; + sf_write_short (file, data, ARRAY_LEN (data)) ; + + gen_short_data (data, ARRAY_LEN (data), 1) ; + sf_write_short (file, data, ARRAY_LEN (data)) ; + + gen_short_data (data, ARRAY_LEN (data), 2) ; + sf_write_short (file, data, ARRAY_LEN (data)) ; + + sf_close (file) ; + + /* Now test read. */ + memset (&sfinfo, 0, sizeof (sfinfo)) ; + + vio_data.offset = 0 ; + + if ((file = sf_open_virtual (&vio, SFM_READ, &sfinfo, &vio_data)) == NULL) + { printf ("\n\nLine %d : sf_open_write failed with error : ", __LINE__) ; + fflush (stdout) ; + puts (sf_strerror (NULL)) ; + + dump_data_to_file (fname, vio_data.data, vio_data.length) ; + exit (1) ; + } ; + + + sf_read_short (file, data, ARRAY_LEN (data)) ; + check_short_data (data, ARRAY_LEN (data), 0, __LINE__) ; + + sf_read_short (file, data, ARRAY_LEN (data)) ; + check_short_data (data, ARRAY_LEN (data), 1, __LINE__) ; + + sf_read_short (file, data, ARRAY_LEN (data)) ; + check_short_data (data, ARRAY_LEN (data), 2, __LINE__) ; + + sf_close (file) ; + + puts ("ok") ; +} /* vio_test */ +