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volume: Convert parts of the controlled processing to orc

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This commit is contained in:
Sebastian Dröge 2010-10-01 11:00:54 +02:00
parent ac38fbc3a7
commit 988849a8b4
2 changed files with 24 additions and 10 deletions
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20
gst/volume/gstvolume.c
View file

@ -49,8 +49,14 @@
#include <gst/controller/gstcontroller.h>
#include <gst/audio/audio.h>
#include <gst/audio/gstaudiofilter.h>
#include "gstvolumeorc.h"
#ifdef HAVE_ORC
#include <orc/orcfunctions.h>
#else
#define orc_memset memset
#endif
#include "gstvolumeorc.h"
#include "gstvolume.h"
/* some defines for audio processing */
@ -973,17 +979,11 @@ volume_transform_ip (GstBaseTransform * base, GstBuffer * outbuf)
gst_object_unref (volume_csource);
volume_csource = NULL;
} else {
guint i;
for (i = 0; i < nsamples; i++)
self->volumes[i] = self->current_volume;
orc_memset_f64 (self->volumes, self->current_volume, nsamples);
}
if (mute_csource) {
guint i;
for (i = 0; i < nsamples; i++)
self->volumes[i] *= (1.0 - self->mutes[i]);
orc_prepare_volumes (self->volumes, self->mutes, nsamples);
}
self->process_controlled (self, data, self->volumes, channels, size);
@ -994,7 +994,7 @@ volume_transform_ip (GstBaseTransform * base, GstBuffer * outbuf)
}
if (self->current_volume == 0.0 || self->current_mute) {
memset (data, 0, size);
orc_memset (data, 0, size);
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_GAP);
} else if (self->current_volume != 1.0) {
self->process (self, data, size);

14
gst/volume/gstvolumeorc.orc
View file

@ -53,4 +53,18 @@ mulsbw t1, d1, p1
shrsw t1, t1, 5
convssswb d1, t1
.function orc_memset_f64
.dest 8 d1 gdouble
.floatparam 8 p1
copyq d1, p1
.function orc_prepare_volumes
.dest 8 d1 gdouble
.source 4 s1 gboolean
.temp 8 t1
convld t1, s1
subd t1, 0x3FF0000000000000L, t1
muld d1, d1, t1