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-rw-r--r--src/pulse/sample.c119
1 files changed, 74 insertions, 45 deletions
diff --git a/src/pulse/sample.c b/src/pulse/sample.c
index 7ca418e1..4aef5bb0 100644
--- a/src/pulse/sample.c
+++ b/src/pulse/sample.c
@@ -1,18 +1,19 @@
-/* $Id$ */
-
/***
This file is part of PulseAudio.
-
+
+ Copyright 2004-2006 Lennart Poettering
+ Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
+
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,
or (at your option) any later version.
-
+
PulseAudio 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 Lesser General Public License
along with PulseAudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
@@ -24,59 +25,64 @@
#endif
#include <stdio.h>
-#include <assert.h>
#include <math.h>
#include <string.h>
+#include <pulsecore/core-util.h>
+#include <pulsecore/macro.h>
+#include <pulse/timeval.h>
+
#include "sample.h"
size_t pa_sample_size(const pa_sample_spec *spec) {
- assert(spec);
-
- switch (spec->format) {
- case PA_SAMPLE_U8:
- case PA_SAMPLE_ULAW:
- case PA_SAMPLE_ALAW:
- return 1;
- case PA_SAMPLE_S16LE:
- case PA_SAMPLE_S16BE:
- return 2;
- case PA_SAMPLE_FLOAT32LE:
- case PA_SAMPLE_FLOAT32BE:
- return 4;
- default:
- assert(0);
- return 0;
- }
+
+ 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,
+ };
+
+ pa_assert(spec);
+ pa_assert(spec->format >= 0);
+ pa_assert(spec->format < PA_SAMPLE_MAX);
+
+ return table[spec->format];
}
size_t pa_frame_size(const pa_sample_spec *spec) {
- assert(spec);
+ pa_assert(spec);
return pa_sample_size(spec) * spec->channels;
}
size_t pa_bytes_per_second(const pa_sample_spec *spec) {
- assert(spec);
+ pa_assert(spec);
return spec->rate*pa_frame_size(spec);
}
pa_usec_t pa_bytes_to_usec(uint64_t length, const pa_sample_spec *spec) {
- assert(spec);
+ pa_assert(spec);
- return (pa_usec_t) (((double) length/pa_frame_size(spec)*1000000)/spec->rate);
+ return (((pa_usec_t) (length / pa_frame_size(spec)) * PA_USEC_PER_SEC) / spec->rate);
}
size_t pa_usec_to_bytes(pa_usec_t t, const pa_sample_spec *spec) {
- assert(spec);
+ pa_assert(spec);
- return (size_t) (((double) t * spec->rate / 1000000))*pa_frame_size(spec);
+ return (size_t) (((t * spec->rate) / PA_USEC_PER_SEC)) * pa_frame_size(spec);
}
int pa_sample_spec_valid(const pa_sample_spec *spec) {
- assert(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 ||
@@ -87,9 +93,13 @@ int pa_sample_spec_valid(const pa_sample_spec *spec) {
}
int pa_sample_spec_equal(const pa_sample_spec*a, const pa_sample_spec*b) {
- assert(a && b);
+ pa_assert(a);
+ pa_assert(b);
- return (a->format == b->format) && (a->rate == b->rate) && (a->channels == b->channels);
+ return
+ (a->format == b->format) &&
+ (a->rate == b->rate) &&
+ (a->channels == b->channels);
}
const char *pa_sample_format_to_string(pa_sample_format_t f) {
@@ -101,58 +111,77 @@ const char *pa_sample_format_to_string(pa_sample_format_t f) {
[PA_SAMPLE_S16BE] = "s16be",
[PA_SAMPLE_FLOAT32LE] = "float32le",
[PA_SAMPLE_FLOAT32BE] = "float32be",
+ [PA_SAMPLE_S32LE] = "s32le",
+ [PA_SAMPLE_S32BE] = "s32be",
};
- if (f >= PA_SAMPLE_MAX)
+ if (f < 0 || f >= PA_SAMPLE_MAX)
return NULL;
return table[f];
}
char *pa_sample_spec_snprint(char *s, size_t l, const pa_sample_spec *spec) {
- assert(s && l && spec);
-
+ pa_assert(s);
+ pa_assert(l);
+ pa_assert(spec);
+
if (!pa_sample_spec_valid(spec))
- snprintf(s, l, "Invalid");
+ pa_snprintf(s, l, "Invalid");
else
- 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);
+
if (v >= ((unsigned) 1024)*1024*1024)
- 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)
- 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)
- snprintf(s, l, "%0.1f KiB", ((double) v)/1024);
+ pa_snprintf(s, l, "%0.1f KiB", ((double) v)/1024);
else
- snprintf(s, l, "%u B", (unsigned) v);
+ pa_snprintf(s, l, "%u B", (unsigned) v);
return s;
}
pa_sample_format_t pa_parse_sample_format(const char *format) {
-
+ pa_assert(format);
+
if (strcasecmp(format, "s16le") == 0)
return PA_SAMPLE_S16LE;
else if (strcasecmp(format, "s16be") == 0)
return PA_SAMPLE_S16BE;
else if (strcasecmp(format, "s16ne") == 0 || strcasecmp(format, "s16") == 0 || strcasecmp(format, "16") == 0)
return PA_SAMPLE_S16NE;
+ else if (strcasecmp(format, "s16re") == 0)
+ return PA_SAMPLE_S16RE;
else if (strcasecmp(format, "u8") == 0 || strcasecmp(format, "8") == 0)
return PA_SAMPLE_U8;
- else if (strcasecmp(format, "float32") == 0 || strcasecmp(format, "float32ne") == 0)
- return PA_SAMPLE_FLOAT32;
+ else if (strcasecmp(format, "float32") == 0 || strcasecmp(format, "float32ne") == 0 || strcasecmp(format, "float") == 0)
+ return PA_SAMPLE_FLOAT32NE;
+ else if (strcasecmp(format, "float32re") == 0)
+ return PA_SAMPLE_FLOAT32RE;
else if (strcasecmp(format, "float32le") == 0)
return PA_SAMPLE_FLOAT32LE;
else if (strcasecmp(format, "float32be") == 0)
return PA_SAMPLE_FLOAT32BE;
- else if (strcasecmp(format, "ulaw") == 0)
+ else if (strcasecmp(format, "ulaw") == 0 || strcasecmp(format, "mulaw") == 0)
return PA_SAMPLE_ULAW;
else if (strcasecmp(format, "alaw") == 0)
return PA_SAMPLE_ALAW;
+ else if (strcasecmp(format, "s32le") == 0)
+ return PA_SAMPLE_S32LE;
+ else if (strcasecmp(format, "s32be") == 0)
+ return PA_SAMPLE_S32BE;
+ 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 -1;
}
generated by cgit (git 2.34.1) at 2025-07-13 02:52:58 +0000