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-rw-r--r--src/pulsecore/svolume_orc.c50
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diff --git a/src/pulsecore/svolume_orc.c b/src/pulsecore/svolume_orc.c
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+++ b/src/pulsecore/svolume_orc.c
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+/***
+ This file is part of PulseAudio.
+
+ Copyright 2004-2006 Lennart Poettering
+ Copyright 2009 Wim Taymans <wim.taymans@collabora.co.uk>
+ Copyright 2010 Arun Raghavan <arun.raghavan@collabora.co.uk>
+
+ 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 2.1 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, see <http://www.gnu.org/licenses/>.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "cpu-orc.h"
+#include <pulse/rtclock.h>
+#include <pulsecore/sample-util.h>
+#include <pulsecore/random.h>
+#include <pulsecore/svolume-orc-gen.h>
+
+pa_do_volume_func_t fallback;
+
+static void
+pa_volume_s16ne_orc(int16_t *samples, const int32_t *volumes, unsigned channels, unsigned length) {
+ if (channels == 2) {
+ int64_t v = (int64_t)volumes[1] << 32 | volumes[0];
+ pa_volume_s16ne_orc_2ch (samples, v, ((length / (sizeof(int16_t))) / 2));
+ } else if (channels == 1)
+ pa_volume_s16ne_orc_1ch (samples, volumes[0], length / (sizeof(int16_t)));
+ else
+ fallback(samples, volumes, channels, length);
+}
+
+void pa_volume_func_init_orc(void) {
+ pa_log_info("Initialising ORC optimized volume functions.");
+
+ fallback = pa_get_volume_func(PA_SAMPLE_S16NE);
+ pa_set_volume_func(PA_SAMPLE_S16NE, (pa_do_volume_func_t) pa_volume_s16ne_orc);
+}