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volume: Implement controlled processing for f64/1ch and f32/1-2ch in orc

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This commit is contained in:
Sebastian Dröge 2010-10-01 11:13:01 +02:00
parent 988849a8b4
commit 0bf4abe581
2 changed files with 41 additions and 8 deletions
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26
gst/volume/gstvolume.c
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@ -521,10 +521,14 @@ volume_process_controlled_double (GstVolume * self, gpointer bytes,
guint i, j;
gdouble vol;
for (i = 0; i < num_samples; i++) {
vol = *volume++;
for (j = 0; j < channels; j++) {
*data++ *= vol;
if (channels == 1) {
orc_process_controlled_f64_1ch (data, volume, num_samples);
} else {
for (i = 0; i < num_samples; i++) {
vol = *volume++;
for (j = 0; j < channels; j++) {
*data++ *= vol;
}
}
}
}
@ -547,10 +551,16 @@ volume_process_controlled_float (GstVolume * self, gpointer bytes,
guint i, j;
gdouble vol;
for (i = 0; i < num_samples; i++) {
vol = *volume++;
for (j = 0; j < channels; j++) {
*data++ *= vol;
if (channels == 1) {
orc_process_controlled_f32_1ch (data, volume, num_samples);
} else if (channels == 2) {
orc_process_controlled_f32_2ch (data, volume, num_samples);
} else {
for (i = 0; i < num_samples; i++) {
vol = *volume++;
for (j = 0; j < channels; j++) {
*data++ *= vol;
}
}
}
}

23
gst/volume/gstvolumeorc.orc
View file

@ -68,3 +68,26 @@ convld t1, s1
subd t1, 0x3FF0000000000000L, t1
muld d1, d1, t1
.function orc_process_controlled_f64_1ch
.dest 8 d1 gdouble
.source 8 s1 gdouble
muld d1, d1, s1
.function orc_process_controlled_f32_1ch
.dest 4 d1 gfloat
.source 8 s1 gdouble
.temp 4 t1
convdf t1, s1
mulf d1, d1, t1
.function orc_process_controlled_f32_2ch
.dest 8 d1 gfloat
.source 8 s1 gdouble
.temp 4 t1
.temp 8 t2
convdf t1, s1
mergelq t2, t1, t1
x2 mulf d1, d1, t2