diff options
author | Lennart Poettering <lennart@poettering.net> | 2004-07-17 14:12:30 +0000 |
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committer | Lennart Poettering <lennart@poettering.net> | 2004-07-17 14:12:30 +0000 |
commit | 41f6aea8fdbc744c13bc461056a2d694a5c4d06f (patch) | |
tree | 1e23911c1f61c66df3fba272af53475508a7a7ce /src/sample.c | |
parent | 563201e128d600ec1ae4a33ca81d03b776501f82 (diff) |
rename src to polyp
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@90 fefdeb5f-60dc-0310-8127-8f9354f1896f
Diffstat (limited to 'src/sample.c')
-rw-r--r-- | src/sample.c | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/src/sample.c b/src/sample.c deleted file mode 100644 index 8179475d..00000000 --- a/src/sample.c +++ /dev/null @@ -1,99 +0,0 @@ -/* $Id$ */ - -/*** - This file is part of polypaudio. - - polypaudio is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 2 of the License, - or (at your option) any later version. - - polypaudio 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 General Public License - along with polypaudio; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - USA. -***/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <stdio.h> -#include <assert.h> - -#include "sample.h" - -size_t pa_sample_size(const struct pa_sample_spec *spec) { - assert(spec); - size_t b = 1; - - switch (spec->format) { - case PA_SAMPLE_U8: - case PA_SAMPLE_ULAW: - case PA_SAMPLE_ALAW: - b = 1; - break; - case PA_SAMPLE_S16LE: - case PA_SAMPLE_S16BE: - b = 2; - break; - case PA_SAMPLE_FLOAT32LE: - case PA_SAMPLE_FLOAT32BE: - b = 4; - break; - default: - assert(0); - } - - return b * spec->channels; -} - -size_t pa_bytes_per_second(const struct pa_sample_spec *spec) { - assert(spec); - return spec->rate*pa_sample_size(spec); -} - - -uint32_t pa_samples_usec(size_t length, const struct pa_sample_spec *spec) { - assert(spec); - - return (uint32_t) (((double) length /pa_sample_size(spec))/spec->rate*1000000); -} - -int pa_sample_spec_valid(const struct pa_sample_spec *spec) { - assert(spec); - - if (!spec->rate || !spec->channels) - return 0; - - if (spec->format >= PA_SAMPLE_MAX) - return 0; - - return 1; -} - -int pa_sample_spec_equal(const struct pa_sample_spec*a, const struct pa_sample_spec*b) { - assert(a && b); - - return (a->format == b->format) && (a->rate == b->rate) && (a->channels == b->channels); -} - -void pa_sample_snprint(char *s, size_t l, const struct pa_sample_spec *spec) { - static const char* const table[]= { - [PA_SAMPLE_U8] = "U8", - [PA_SAMPLE_ALAW] = "ALAW", - [PA_SAMPLE_ULAW] = "ULAW", - [PA_SAMPLE_S16LE] = "S16LE", - [PA_SAMPLE_S16BE] = "S16BE", - [PA_SAMPLE_FLOAT32LE] = "FLOAT32LE", - [PA_SAMPLE_FLOAT32BE] = "FLOAT32BE", - }; - - assert(pa_sample_spec_valid(spec)); - snprintf(s, l, "%s %uch %uHz", table[spec->format], spec->channels, spec->rate); -} |