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- fixed the multi-line string (deprecated).

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- fixed the calculation of max peak for 32bit samples.
- change -v option accumulative.  peak bars are shown with double -v
  options.
This commit is contained in:
Takashi Iwai 2002-10-02 14:42:00 +00:00
parent 3b589dd966
commit 884bc104ef
1 changed files with 32 additions and 32 deletions
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64
aplay/aplay.c
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@ -137,32 +137,32 @@ struct fmt_capture {
static void usage(char *command)
{
snd_pcm_format_t k;
fprintf(stderr, "\
Usage: %s [OPTION]... [FILE]...
--help help
--version print current version
-l, --list-devices list all soundcards and digital audio devices
-L, --list-pcms list all PCMs defined
-D, --device=NAME select PCM by name
-q, --quiet quiet mode
-t, --file-type TYPE file type (voc, wav, raw or au)
-c, --channels=# channels
-f, --format=FORMAT sample format (case insensitive)
-r, --rate=# sample rate
-d, --duration=# interrupt after # seconds
-s, --sleep-min=# min ticks to sleep
-M, --mmap mmap stream
-N, --nonblock nonblocking mode
-F, --period-time=# distance between interrupts is # microseconds
-B, --buffer-time=# buffer duration is # microseconds
-A, --avail-min=# min available space for wakeup is # microseconds
-R, --start-delay=# delay for automatic PCM start is # microseconds
(relative to buffer size if <= 0)
-T, --stop-delay=# delay for automatic PCM stop is # microseconds from xrun
-v, --verbose show PCM structure and setup
-I, --separate-channels one file for each channel
", command);
fprintf(stderr,
"Usage: %s [OPTION]... [FILE]...\n"
"\n"
"--help help\n"
"--version print current version\n"
"-l, --list-devices list all soundcards and digital audio devices\n"
"-L, --list-pcms list all PCMs defined\n"
"-D, --device=NAME select PCM by name\n"
"-q, --quiet quiet mode\n"
"-t, --file-type TYPE file type (voc, wav, raw or au)\n"
"-c, --channels=# channels\n"
"-f, --format=FORMAT sample format (case insensitive)\n"
"-r, --rate=# sample rate\n"
"-d, --duration=# interrupt after # seconds\n"
"-s, --sleep-min=# min ticks to sleep\n"
"-M, --mmap mmap stream\n"
"-N, --nonblock nonblocking mode\n"
"-F, --period-time=# distance between interrupts is # microseconds\n"
"-B, --buffer-time=# buffer duration is # microseconds\n"
"-A, --avail-min=# min available space for wakeup is # microseconds\n"
"-R, --start-delay=# delay for automatic PCM start is # microseconds \n"
" (relative to buffer size if <= 0)\n"
"-T, --stop-delay=# delay for automatic PCM stop is # microseconds from xrun\n"
"-v, --verbose show PCM structure and setup (accumulative)\n"
"-I, --separate-channels one file for each channel\n"
, command);
fprintf(stderr, "Recognized sample formats are:");
for (k = 0; k < SND_PCM_FORMAT_LAST; ++(unsigned long) k) {
const char *s = snd_pcm_format_name(k);
@ -431,7 +431,7 @@ int main(int argc, char *argv[])
stop_delay = atoi(optarg);
break;
case 'v':
verbose = 1;
verbose++;
break;
case 'M':
mmap_flag = 1;
@ -956,7 +956,7 @@ static void compute_max_peak(u_char *data, size_t count)
max_peak = val;
}
max = 1 << (bits_per_sample-1);
if (max == 0)
if (max <= 0)
max = 0x7fffffff;
printf("Max peak (%li samples): %05i (0x%04x) ", (long)ocount, max_peak, max_peak);
perc = max_peak / (max / 100);
@ -995,7 +995,7 @@ static ssize_t pcm_write(u_char *data, size_t count)
exit(EXIT_FAILURE);
}
if (r > 0) {
if (verbose)
if (verbose > 1)
compute_max_peak(data, r * hwparams.channels);
result += r;
count -= r;
@ -1037,7 +1037,7 @@ static ssize_t pcm_writev(u_char **data, unsigned int channels, size_t count)
exit(EXIT_FAILURE);
}
if (r > 0) {
if (verbose) {
if (verbose > 1) {
for (channel = 0; channel < channels; channel++)
compute_max_peak(data[channel], r);
}
@ -1076,7 +1076,7 @@ static ssize_t pcm_read(u_char *data, size_t rcount)
exit(EXIT_FAILURE);
}
if (r > 0) {
if (verbose)
if (verbose > 1)
compute_max_peak(data, r * hwparams.channels);
result += r;
count -= r;
@ -1115,7 +1115,7 @@ static ssize_t pcm_readv(u_char **data, unsigned int channels, size_t rcount)
exit(EXIT_FAILURE);
}
if (r > 0) {
if (verbose) {
if (verbose > 1) {
for (channel = 0; channel < channels; channel++)
compute_max_peak(data[channel], r);
}