-/* $Id$ */
-
/***
This file is part of PulseAudio.
PulseAudio 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 of the License,
+ by the Free Software Foundation; either version 2.1 of the License,
or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
#endif
#include <stdio.h>
-#include <math.h>
#include <string.h>
+#include <pulse/timeval.h>
+
#include <pulsecore/core-util.h>
+#include <pulsecore/i18n.h>
#include <pulsecore/macro.h>
-#include <pulse/timeval.h>
#include "sample.h"
-size_t pa_sample_size(const pa_sample_spec *spec) {
+static const size_t size_table[] = {
+ [PA_SAMPLE_U8] = 1,
+ [PA_SAMPLE_ULAW] = 1,
+ [PA_SAMPLE_ALAW] = 1,
+ [PA_SAMPLE_S16LE] = 2,
+ [PA_SAMPLE_S16BE] = 2,
+ [PA_SAMPLE_FLOAT32LE] = 4,
+ [PA_SAMPLE_FLOAT32BE] = 4,
+ [PA_SAMPLE_S32LE] = 4,
+ [PA_SAMPLE_S32BE] = 4,
+ [PA_SAMPLE_S24LE] = 3,
+ [PA_SAMPLE_S24BE] = 3,
+ [PA_SAMPLE_S24_32LE] = 4,
+ [PA_SAMPLE_S24_32BE] = 4
+};
+
+size_t pa_sample_size_of_format(pa_sample_format_t f) {
+ pa_assert(pa_sample_format_valid(f));
+
+ return size_table[f];
+}
- static const size_t table[] = {
- [PA_SAMPLE_U8] = 1,
- [PA_SAMPLE_ULAW] = 1,
- [PA_SAMPLE_ALAW] = 1,
- [PA_SAMPLE_S16LE] = 2,
- [PA_SAMPLE_S16BE] = 2,
- [PA_SAMPLE_FLOAT32LE] = 4,
- [PA_SAMPLE_FLOAT32BE] = 4,
- [PA_SAMPLE_S32LE] = 4,
- [PA_SAMPLE_S32BE] = 4,
- };
+size_t pa_sample_size(const pa_sample_spec *spec) {
pa_assert(spec);
- pa_assert(spec->format >= 0);
- pa_assert(spec->format < PA_SAMPLE_MAX);
+ pa_return_val_if_fail(pa_sample_spec_valid(spec), 0);
- return table[spec->format];
+ return size_table[spec->format];
}
size_t pa_frame_size(const pa_sample_spec *spec) {
pa_assert(spec);
+ pa_return_val_if_fail(pa_sample_spec_valid(spec), 0);
- return pa_sample_size(spec) * spec->channels;
+ return size_table[spec->format] * spec->channels;
}
size_t pa_bytes_per_second(const pa_sample_spec *spec) {
pa_assert(spec);
- return spec->rate*pa_frame_size(spec);
+ pa_return_val_if_fail(pa_sample_spec_valid(spec), 0);
+
+ return spec->rate * size_table[spec->format] * spec->channels;
}
pa_usec_t pa_bytes_to_usec(uint64_t length, const pa_sample_spec *spec) {
pa_assert(spec);
+ pa_return_val_if_fail(pa_sample_spec_valid(spec), 0);
- return (((pa_usec_t) (length / pa_frame_size(spec)) * PA_USEC_PER_SEC) / spec->rate);
+ return (((pa_usec_t) (length / (size_table[spec->format] * spec->channels)) * PA_USEC_PER_SEC) / spec->rate);
}
size_t pa_usec_to_bytes(pa_usec_t t, const pa_sample_spec *spec) {
pa_assert(spec);
+ pa_return_val_if_fail(pa_sample_spec_valid(spec), 0);
+
+ return (size_t) (((t * spec->rate) / PA_USEC_PER_SEC)) * (size_table[spec->format] * spec->channels);
+}
+
+pa_sample_spec* pa_sample_spec_init(pa_sample_spec *spec) {
+ pa_assert(spec);
+
+ spec->format = PA_SAMPLE_INVALID;
+ spec->rate = 0;
+ spec->channels = 0;
+
+ return spec;
+}
+
+int pa_sample_format_valid(unsigned format) {
+ return format < PA_SAMPLE_MAX;
+}
+
+int pa_sample_rate_valid(uint32_t rate) {
+ return rate > 0 && rate <= PA_RATE_MAX;
+}
- return (size_t) (((t * spec->rate) / PA_USEC_PER_SEC)) * pa_frame_size(spec);
+int pa_channels_valid(uint8_t channels) {
+ return channels > 0 && channels <= PA_CHANNELS_MAX;
}
int pa_sample_spec_valid(const pa_sample_spec *spec) {
pa_assert(spec);
- if (spec->rate <= 0 ||
- spec->rate > PA_RATE_MAX ||
- spec->channels <= 0 ||
- spec->channels > PA_CHANNELS_MAX ||
- spec->format >= PA_SAMPLE_MAX ||
- spec->format < 0)
+ if (PA_UNLIKELY(!pa_sample_rate_valid(spec->rate) ||
+ !pa_channels_valid(spec->channels) ||
+ !pa_sample_format_valid(spec->format)))
return 0;
return 1;
pa_assert(a);
pa_assert(b);
+ pa_return_val_if_fail(pa_sample_spec_valid(a), 0);
+
+ if (PA_UNLIKELY(a == b))
+ return 1;
+
+ pa_return_val_if_fail(pa_sample_spec_valid(b), 0);
+
return
(a->format == b->format) &&
(a->rate == b->rate) &&
[PA_SAMPLE_FLOAT32BE] = "float32be",
[PA_SAMPLE_S32LE] = "s32le",
[PA_SAMPLE_S32BE] = "s32be",
+ [PA_SAMPLE_S24LE] = "s24le",
+ [PA_SAMPLE_S24BE] = "s24be",
+ [PA_SAMPLE_S24_32LE] = "s24-32le",
+ [PA_SAMPLE_S24_32BE] = "s24-32be",
};
- if (f < 0 || f >= PA_SAMPLE_MAX)
+ if (!pa_sample_format_valid(f))
return NULL;
return table[f];
char *pa_sample_spec_snprint(char *s, size_t l, const pa_sample_spec *spec) {
pa_assert(s);
- pa_assert(l);
+ pa_assert(l > 0);
pa_assert(spec);
+ pa_init_i18n();
+
if (!pa_sample_spec_valid(spec))
- pa_snprintf(s, l, "Invalid");
+ pa_snprintf(s, l, _("(invalid)"));
else
- pa_snprintf(s, l, "%s %uch %uHz", pa_sample_format_to_string(spec->format), spec->channels, spec->rate);
+ pa_snprintf(s, l, _("%s %uch %uHz"), pa_sample_format_to_string(spec->format), spec->channels, spec->rate);
return s;
}
char* pa_bytes_snprint(char *s, size_t l, unsigned v) {
pa_assert(s);
+ pa_assert(l > 0);
+
+ pa_init_i18n();
if (v >= ((unsigned) 1024)*1024*1024)
- pa_snprintf(s, l, "%0.1f GiB", ((double) v)/1024/1024/1024);
+ pa_snprintf(s, l, _("%0.1f GiB"), ((double) v)/1024/1024/1024);
else if (v >= ((unsigned) 1024)*1024)
- pa_snprintf(s, l, "%0.1f MiB", ((double) v)/1024/1024);
+ pa_snprintf(s, l, _("%0.1f MiB"), ((double) v)/1024/1024);
else if (v >= (unsigned) 1024)
- pa_snprintf(s, l, "%0.1f KiB", ((double) v)/1024);
+ pa_snprintf(s, l, _("%0.1f KiB"), ((double) v)/1024);
else
- pa_snprintf(s, l, "%u B", (unsigned) v);
+ pa_snprintf(s, l, _("%u B"), (unsigned) v);
return s;
}
else if (strcasecmp(format, "s32ne") == 0 || strcasecmp(format, "s32") == 0 || strcasecmp(format, "32") == 0)
return PA_SAMPLE_S32NE;
else if (strcasecmp(format, "s32re") == 0)
- return PA_SAMPLE_S32RE;
+ return PA_SAMPLE_S24RE;
+ else if (strcasecmp(format, "s24le") == 0)
+ return PA_SAMPLE_S24LE;
+ else if (strcasecmp(format, "s24be") == 0)
+ return PA_SAMPLE_S24BE;
+ else if (strcasecmp(format, "s24ne") == 0 || strcasecmp(format, "s24") == 0 || strcasecmp(format, "24") == 0)
+ return PA_SAMPLE_S24NE;
+ else if (strcasecmp(format, "s24re") == 0)
+ return PA_SAMPLE_S24RE;
+ else if (strcasecmp(format, "s24-32le") == 0)
+ return PA_SAMPLE_S24_32LE;
+ else if (strcasecmp(format, "s24-32be") == 0)
+ return PA_SAMPLE_S24_32BE;
+ else if (strcasecmp(format, "s24-32ne") == 0 || strcasecmp(format, "s24-32") == 0)
+ return PA_SAMPLE_S24_32NE;
+ else if (strcasecmp(format, "s24-32re") == 0)
+ return PA_SAMPLE_S24_32RE;
+
+ return PA_SAMPLE_INVALID;
+}
+
+int pa_sample_format_is_le(pa_sample_format_t f) {
+ pa_assert(pa_sample_format_valid(f));
+
+ switch (f) {
+ case PA_SAMPLE_S16LE:
+ case PA_SAMPLE_S24LE:
+ case PA_SAMPLE_S32LE:
+ case PA_SAMPLE_S24_32LE:
+ case PA_SAMPLE_FLOAT32LE:
+ return 1;
+
+ case PA_SAMPLE_S16BE:
+ case PA_SAMPLE_S24BE:
+ case PA_SAMPLE_S32BE:
+ case PA_SAMPLE_S24_32BE:
+ case PA_SAMPLE_FLOAT32BE:
+ return 0;
+
+ default:
+ return -1;
+ }
+}
+
+int pa_sample_format_is_be(pa_sample_format_t f) {
+ int r;
+
+ if ((r = pa_sample_format_is_le(f)) < 0)
+ return r;
- return -1;
+ return !r;
}