mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-11-18 15:51:11 +00:00
Code Issues 1 Projects Releases Wiki Activity

volume: Actually enable usage of the orc optimized functions

Browse source
This commit is contained in:
Sebastian Dröge 2010-10-03 11:24:29 +02:00
parent 39ef36b32c
commit d0e96cc90f
1 changed files with 2 additions and 85 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

87
gst/volume/gstvolume.c
View file

@ -570,23 +570,10 @@ volume_process_int32 (GstVolume * self, gpointer bytes, guint n_bytes)
{
gint32 *data = (gint32 *) bytes;
guint num_samples = n_bytes / sizeof (gint);
#ifndef USE_ORC
guint i;
gint64 val;
/* hard coded in volume.orc */
g_assert (VOLUME_UNITY_INT16_BIT_SHIFT == 27);
for (i = 0; i < num_samples; i++) {
/* we use bitshifting instead of dividing by UNITY_INT for speed */
val = (gint64) * data;
val =
(((gint64) self->current_vol_i32 *
val) >> VOLUME_UNITY_INT32_BIT_SHIFT);
*data++ = (gint32) val;
}
#else
g_assert (VOLUME_UNITY_INT32_BIT_SHIFT == 27);
orc_process_int32 (data, self->current_vol_i32, num_samples);
#endif
}
static void
@ -594,24 +581,11 @@ volume_process_int32_clamp (GstVolume * self, gpointer bytes, guint n_bytes)
{
gint32 *data = (gint32 *) bytes;
guint num_samples = n_bytes / sizeof (gint);
#ifndef USE_ORC
guint i;
gint64 val;
/* hard coded in volume.orc */
g_assert (VOLUME_UNITY_INT16_BIT_SHIFT == 27);
g_assert (VOLUME_UNITY_INT32_BIT_SHIFT == 27);
for (i = 0; i < num_samples; i++) {
/* we use bitshifting instead of dividing by UNITY_INT for speed */
val = (gint64) * data;
val =
(((gint64) self->current_vol_i32 *
val) >> VOLUME_UNITY_INT32_BIT_SHIFT);
*data++ = (gint32) CLAMP (val, VOLUME_MIN_INT32, VOLUME_MAX_INT32);
}
#else
orc_process_int32_clamp (data, self->current_vol_i32, num_samples);
#endif
}
static void
@ -727,24 +701,10 @@ volume_process_int16 (GstVolume * self, gpointer bytes, guint n_bytes)
gint16 *data = (gint16 *) bytes;
guint num_samples = n_bytes / sizeof (gint16);
#ifndef USE_ORC
guint i;
gint val;
/* hard coded in volume.orc */
g_assert (VOLUME_UNITY_INT16_BIT_SHIFT == 13);
for (i = 0; i < num_samples; i++) {
/* we use bitshifting instead of dividing by UNITY_INT for speed */
val = (gint) * data;
*data++ =
(gint16) ((self->current_vol_i16 *
val) >> VOLUME_UNITY_INT16_BIT_SHIFT);
}
#else
/* FIXME */
orc_process_int16 (data, self->current_vol_i16, num_samples);
#endif
}
static void
@ -753,27 +713,10 @@ volume_process_int16_clamp (GstVolume * self, gpointer bytes, guint n_bytes)
gint16 *data = (gint16 *) bytes;
guint num_samples = n_bytes / sizeof (gint16);
#ifndef USE_ORC
int i;
/* hard coded in volume.orc */
g_assert (VOLUME_UNITY_INT16_BIT_SHIFT == 13);
/* FIXME: oil_scalarmultiply_s16_ns ?
* https://bugs.freedesktop.org/show_bug.cgi?id=7060
*/
for (i = 0; i < num_samples; i++) {
/* we use bitshifting instead of dividing by UNITY_INT for speed */
int val = (gint) * data;
*data++ =
(gint16) CLAMP ((self->current_vol_i16 *
val) >> VOLUME_UNITY_INT16_BIT_SHIFT, VOLUME_MIN_INT16,
VOLUME_MAX_INT16);
}
#else
/* FIXME */
orc_process_int16_clamp (data, self->current_vol_i16, num_samples);
#endif
}
static void
@ -806,22 +749,10 @@ volume_process_int8 (GstVolume * self, gpointer bytes, guint n_bytes)
gint8 *data = (gint8 *) bytes;
guint num_samples = n_bytes / sizeof (gint8);
#ifndef USE_ORC
int i;
for (i = 0; i < num_samples; i++) {
/* we use bitshifting instead of dividing by UNITY_INT for speed */
int val = (gint) * data;
*data++ =
(gint8) ((self->current_vol_i8 * val) >> VOLUME_UNITY_INT8_BIT_SHIFT);
}
#else
/* FIXME */
/* hard coded in volume.orc */
g_assert (VOLUME_UNITY_INT8_BIT_SHIFT == 5);
orc_process_int8 (data, self->current_vol_i8, num_samples);
#endif
}
static void
@ -830,24 +761,10 @@ volume_process_int8_clamp (GstVolume * self, gpointer bytes, guint n_bytes)
gint8 *data = (gint8 *) bytes;
guint num_samples = n_bytes / sizeof (gint8);
#ifndef USE_ORC
int i;
/* hard coded in volume.orc */
g_assert (VOLUME_UNITY_INT8_BIT_SHIFT == 5);
for (i = 0; i < num_samples; i++) {
/* we use bitshifting instead of dividing by UNITY_INT for speed */
int val = (gint) * data;
*data++ =
(gint8) CLAMP ((self->current_vol_i8 *
val) >> VOLUME_UNITY_INT8_BIT_SHIFT, VOLUME_MIN_INT8,
VOLUME_MAX_INT8);
}
#else
/* FIXME */
orc_process_int8_clamp (data, self->current_vol_i8, num_samples);
#endif
}
static void