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add sample spec parameters to pacat

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@251 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2004-09-29 22:04:44 +00:00
parent 66999e5ada
commit 68d50dc0a6
5 changed files with 76 additions and 36 deletions
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29
polyp/sample.c
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@ -26,6 +26,7 @@
#include <stdio.h>
#include <assert.h>
#include <math.h>
#include <string.h>
#include "sample.h"
@ -68,10 +69,10 @@ pa_usec_t pa_bytes_to_usec(uint64_t length, const struct pa_sample_spec *spec) {
int pa_sample_spec_valid(const struct pa_sample_spec *spec) {
assert(spec);
if (!spec->rate || !spec->channels)
if (spec->rate <= 0 || spec->channels <= 0)
return 0;
if (spec->format >= PA_SAMPLE_MAX)
if (spec->format >= PA_SAMPLE_MAX || spec->format < 0)
return 0;
return 1;
@ -134,3 +135,27 @@ void pa_bytes_snprint(char *s, size_t l, unsigned v) {
else
snprintf(s, l, "%u B", (unsigned) v);
}
enum pa_sample_format pa_parse_sample_format(const char *format) {
if (strcmp(format, "s16le") == 0)
return PA_SAMPLE_S16LE;
else if (strcmp(format, "s16be") == 0)
return PA_SAMPLE_S16BE;
else if (strcmp(format, "s16ne") == 0 || strcmp(format, "s16") == 0 || strcmp(format, "16") == 0)
return PA_SAMPLE_S16NE;
else if (strcmp(format, "u8") == 0 || strcmp(format, "8") == 0)
return PA_SAMPLE_U8;
else if (strcmp(format, "float32") == 0 || strcmp(format, "float32ne") == 0)
return PA_SAMPLE_FLOAT32;
else if (strcmp(format, "float32le") == 0)
return PA_SAMPLE_FLOAT32LE;
else if (strcmp(format, "float32be") == 0)
return PA_SAMPLE_FLOAT32BE;
else if (strcmp(format, "ulaw") == 0)
return PA_SAMPLE_ULAW;
else if (strcmp(format, "alaw") == 0)
return PA_SAMPLE_ALAW;
return -1;
}