static void
usage_exit (const char *progname)
{ char lsf_ver [128] ;
const char *cptr ;
int k ;
if ((cptr = strrchr (progname, '/')) != NULL)
progname = cptr + 1 ;
if ((cptr = strrchr (progname, '\\')) != NULL)
progname = cptr + 1 ;
sf_command (NULL, SFC_GET_LIB_VERSION, lsf_ver, sizeof (lsf_ver)) ;
printf ("\n"
" A Sample Rate Converter using libsndfile for file I/O and Secret \n"
" Rabbit Code (aka libsamplerate) for performing the conversion.\n"
" It works on any file format supported by libsndfile with any \n"
" number of channels (limited only by host memory).\n"
"\n"
" %s\n"
" %s\n"
"\n"
" Usage : \n"
" %s -to <new sample rate> [-c <number>] <input file> <output file>\n"
" %s -by <amount> [-c <number>] <input file> <output file>\n"
"\n", src_get_version (), lsf_ver, progname, progname) ;
puts (
" The optional -c argument allows the converter type to be chosen from\n"
" the following list :"
"\n"
) ;
for (k = 0 ; (cptr = src_get_name (k)) != NULL ; k++)
printf (" %d : %s%s\n", k, cptr, k == DEFAULT_CONVERTER ? " (default)" : "") ;
puts ("\n"
" The --no-normalize option disables clipping check and normalization.") ;
puts ("") ;
exit (1) ;
} /* usage_exit */
int
main (void)
{
/* Force output of the Electric Fence banner message. */
force_efence_banner () ;
puts ("") ;
printf (" version : %s\n\n", src_get_version ()) ;
/* Current max converter is SRC_LINEAR. */
name_test (SRC_LINEAR) ;
error_test () ;
src_ratio_test () ;
return 0 ;
} /* main */
int
main (void)
{
puts ("") ;
printf (" version : %s\n\n", src_get_version ()) ;
/* Current max converter is SRC_LINEAR. */
name_test () ;
error_test () ;
src_ratio_test () ;
zero_input_test (SRC_ZERO_ORDER_HOLD) ;
zero_input_test (SRC_LINEAR) ;
zero_input_test (SRC_SINC_FASTEST) ;
puts ("") ;
return 0 ;
} /* main */
int
main (int argc, char *argv [])
{ SNDFILE *infile, *outfile = NULL ;
SF_INFO sfinfo ;
int normalize = 1 ;
sf_count_t count ;
double src_ratio = -1.0, gain = 1.0 ;
int new_sample_rate = -1, k, converter, max_speed = SF_FALSE ;
if (argc == 2 && strcmp (argv [1], "--version") == 0)
{ char buffer [64], *cptr ;
if ((cptr = strrchr (argv [0], '/')) != NULL)
argv [0] = cptr + 1 ;
if ((cptr = strrchr (argv [0], '\\')) != NULL)
argv [0] = cptr + 1 ;
sf_command (NULL, SFC_GET_LIB_VERSION, buffer, sizeof (buffer)) ;
printf ("%s (%s,%s)\n", argv [0], src_get_version (), buffer) ;
exit (0) ;
} ;
if (argc != 5 && argc != 7 && argc != 8)
usage_exit (argv [0]) ;
/* Set default converter. */
converter = DEFAULT_CONVERTER ;
for (k = 1 ; k < argc - 2 ; k++)
{ if (strcmp (argv [k], "--max-speed") == 0)
max_speed = SF_TRUE ;
else if (strcmp (argv [k], "--no-normalize") == 0)
normalize = 0 ;
else if (strcmp (argv [k], "-to") == 0)
{ k ++ ;
new_sample_rate = atoi (argv [k]) ;
}
else if (strcmp (argv [k], "-by") == 0)
{ k ++ ;
src_ratio = atof (argv [k]) ;
}
else if (strcmp (argv [k], "-c") == 0)
{ k ++ ;
converter = atoi (argv [k]) ;
}
else
usage_exit (argv [0]) ;
} ;
if (new_sample_rate <= 0 && src_ratio <= 0.0)
usage_exit (argv [0]) ;
if (src_get_name (converter) == NULL)
{ printf ("Error : bad converter number.\n") ;
usage_exit (argv [0]) ;
} ;
if (strcmp (argv [argc - 2], argv [argc - 1]) == 0)
{ printf ("Error : input and output file names are the same.\n") ;
exit (1) ;
} ;
if ((infile = sf_open (argv [argc - 2], SFM_READ, &sfinfo)) == NULL)
{ printf ("Error : Not able to open input file '%s'\n", argv [argc - 2]) ;
exit (1) ;
} ;
printf ("Input File : %s\n", argv [argc - 2]) ;
printf ("Sample Rate : %d\n", sfinfo.samplerate) ;
printf ("Input Frames : %ld\n\n", (long) sfinfo.frames) ;
if (new_sample_rate > 0)
{ src_ratio = (1.0 * new_sample_rate) / sfinfo.samplerate ;
sfinfo.samplerate = new_sample_rate ;
}
else if (src_is_valid_ratio (src_ratio))
sfinfo.samplerate = (int) floor (sfinfo.samplerate * src_ratio) ;
else
{ printf ("Not able to determine new sample rate. Exiting.\n") ;
sf_close (infile) ;
exit (1) ;
} ;
if (fabs (src_ratio - 1.0) < 1e-20)
{ printf ("Target samplerate and input samplerate are the same. Exiting.\n") ;
sf_close (infile) ;
exit (0) ;
} ;
printf ("SRC Ratio : %f\n", src_ratio) ;
printf ("Converter : %s\n\n", src_get_name (converter)) ;
if (src_is_valid_ratio (src_ratio) == 0)
{ printf ("Error : Sample rate change out of valid range.\n") ;
sf_close (infile) ;
exit (1) ;
} ;
/* Delete the output file length to zero if already exists. */
remove (argv [argc - 1]) ;
printf ("Output file : %s\n", argv [argc - 1]) ;
printf ("Sample Rate : %d\n", sfinfo.samplerate) ;
do
{ sf_close (outfile) ;
if ((outfile = sf_open (argv [argc - 1], SFM_WRITE, &sfinfo)) == NULL)
{ printf ("Error : Not able to open output file '%s'\n", argv [argc - 1]) ;
sf_close (infile) ;
exit (1) ;
} ;
if (max_speed)
{ /* This is mainly for the comparison program tests/src-evaluate.c */
sf_command (outfile, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_FALSE) ;
}
else
{ /* Update the file header after every write. */
sf_command (outfile, SFC_SET_UPDATE_HEADER_AUTO, NULL, SF_TRUE) ;
} ;
sf_command (outfile, SFC_SET_CLIPPING, NULL, SF_TRUE) ;
count = sample_rate_convert (infile, outfile, converter, src_ratio, sfinfo.channels, &gain, normalize) ;
}
while (count < 0) ;
printf ("Output Frames : %ld\n\n", (long) count) ;
sf_close (infile) ;
sf_close (outfile) ;
return 0 ;
} /* main */
int migrate_collection(void * config, void * sconfig)
{
char old_coll_path[PATH_MAX];
char version[256];
int ret;
struct filesystem_configuration_s * fs_config =
(struct filesystem_configuration_s *) config;
struct server_configuration_s * server_config =
(struct server_configuration_s *) sconfig;
memset(version, 0, 256);
/* find version of source storage space */
ret = src_get_version(
server_config->storage_path,
fs_config->coll_id,
fs_config->file_system_name,
version, 254);
if(ret < 0)
{
fprintf(stderr,
"Error: failed to read version of src storage space\n"
" for filesystem: %s (%08x)\n",
fs_config->file_system_name, fs_config->coll_id);
return ret;
}
/* call the appropriate translation routine based on the version */
if(strncmp(version, "0.0.1", 5) == 0)
{
sprintf(old_coll_path, "%s/%08x-old-%s",
server_config->storage_path,
fs_config->coll_id, version);
ret = access(old_coll_path, F_OK);
if(ret == 0)
{
if(opts.cleanup_set)
{
/* user asked to remove this old collection instead
* of creating it
*/
if(verbose) printf("VERBOSE Removing old collection at: %s\n",
old_coll_path);
ret = recursive_rmdir(old_coll_path);
if(ret < 0)
{
fprintf(stderr,
"Error: failed to remove %s\n",
old_coll_path);
return -1;
}
return 0;
}
if(verbose) printf("VERBOSE %s already exists.\n",
old_coll_path);
fprintf(stderr,
"Error: unable to confirm availability of backup subdirectory (%s)\n"
" for migration of fs: %s (%08x).\n",
old_coll_path,
fs_config->file_system_name,
fs_config->coll_id);
fprintf(stderr,
"Error: please make sure that the migration "
"has not already been performed.\n");
return -1;
}
ret = translate_0_0_1(
server_config->storage_path, old_coll_path,
fs_config->file_system_name,
fs_config->coll_id);
if(ret < 0)
{
fprintf(stderr,
"Error: failed to translate from %s collection\n"
" for fs: %s (%08x).\n",
version, fs_config->file_system_name, fs_config->coll_id);
return -1;
}
if(opts.cleanup_set)
{
/* user asked to remove this old collection instead
* of creating it
*/
if(verbose) printf("VERBOSE Removing old collection at: %s\n",
old_coll_path);
ret = unlink(old_coll_path);
if(ret < 0)
{
perror("unlink");
return -1;
}
}
}
else
{
if(opts.cleanup_set)
{
/* user asked to remove this old collection instead
* of creating it, but we don't know what the version
* is anymore
*/
DIR * storage_dir;
struct dirent * next_dirent;
char collname[PATH_MAX];
int collname_length;
int removed_olddirs = 0;
collname_length = sprintf(collname, "%08x-old", fs_config->coll_id);
storage_dir = opendir(server_config->storage_path);
if(!storage_dir)
{
fprintf(stderr, "Error: failed to open directory: %s\n",
server_config->storage_path);
return -1;
}
while((next_dirent = readdir(storage_dir)) != NULL)
{
int d_namelen = strlen(next_dirent->d_name);
if(collname_length < d_namelen &&
strncmp(next_dirent->d_name, collname, collname_length) == 0)
{
char old_coll_path[PATH_MAX];
sprintf(old_coll_path, "%s/%s",
server_config->storage_path, next_dirent->d_name);
/* found an old version, delete it */
if(verbose)
printf("VERBOSE Removing old collection at: %s\n",
old_coll_path);
ret = recursive_rmdir(old_coll_path);
if(ret < 0)
{
fprintf(
stderr,
"Error: failed to remove old collection at: %s\n",
old_coll_path);
closedir(storage_dir);
return -1;
}
removed_olddirs = 1;
}
}
if(removed_olddirs == 0)
{
printf("\nWARNING: No old collections with name \"%s\" "
"were found to cleanup.\n",
fs_config->file_system_name);
}
closedir(storage_dir);
}
else
{
/* complain if we don't recognize the version */
fprintf(stderr,
"Error: unknown collection version: %s\n"
" for fs: %s (%08x).\n",
version, fs_config->file_system_name, fs_config->coll_id);
return -1;
}
}
return 0;
}
PJ_DEF(pj_status_t) pjmedia_resample_create( pj_pool_t *pool,
pj_bool_t high_quality,
pj_bool_t large_filter,
unsigned channel_count,
unsigned rate_in,
unsigned rate_out,
unsigned samples_per_frame,
pjmedia_resample **p_resample)
{
pjmedia_resample *resample;
int type, err;
PJ_ASSERT_RETURN(pool && p_resample && rate_in &&
rate_out && samples_per_frame, PJ_EINVAL);
resample = PJ_POOL_ZALLOC_T(pool, pjmedia_resample);
PJ_ASSERT_RETURN(resample, PJ_ENOMEM);
/* Select conversion type */
if (high_quality) {
type = large_filter ? SRC_SINC_BEST_QUALITY : SRC_SINC_MEDIUM_QUALITY;
} else {
type = large_filter ? SRC_SINC_FASTEST : SRC_LINEAR;
}
/* Create converter */
resample->state = src_new(type, channel_count, &err);
if (resample->state == NULL) {
PJ_LOG(4,(THIS_FILE, "Error creating resample: %s",
src_strerror(err)));
return PJMEDIA_ERROR;
}
/* Calculate ratio */
resample->ratio = rate_out * 1.0 / rate_in;
/* Calculate number of samples for input and output */
resample->in_samples = samples_per_frame;
resample->out_samples = rate_out / (rate_in / samples_per_frame);
resample->frame_in = (float*)
pj_pool_calloc(pool,
resample->in_samples + 8,
sizeof(float));
resample->frame_out = (float*)
pj_pool_calloc(pool,
resample->out_samples + 8,
sizeof(float));
/* Set the converter ratio */
err = src_set_ratio(resample->state, resample->ratio);
if (err != 0) {
PJ_LOG(4,(THIS_FILE, "Error creating resample: %s",
src_strerror(err)));
return PJMEDIA_ERROR;
}
/* Done */
PJ_LOG(5,(THIS_FILE,
"Resample using libsamplerate %s, type=%s (%s), "
"ch=%d, in/out rate=%d/%d",
src_get_version(),
src_get_name(type), src_get_description(type),
channel_count, rate_in, rate_out));
*p_resample = resample;
return PJ_SUCCESS;
}