static gboolean volume_setup (GstAudioFilter * filter,
GstRingBufferSpec * format);
-static void volume_process_double (GstVolume * this, gpointer bytes,
+static void volume_process_double (GstVolume * self, gpointer bytes,
guint n_bytes);
-static void volume_process_float (GstVolume * this, gpointer bytes,
+static void volume_process_float (GstVolume * self, gpointer bytes,
guint n_bytes);
-static void volume_process_int32 (GstVolume * this, gpointer bytes,
+static void volume_process_int32 (GstVolume * self, gpointer bytes,
guint n_bytes);
-static void volume_process_int32_clamp (GstVolume * this, gpointer bytes,
+static void volume_process_int32_clamp (GstVolume * self, gpointer bytes,
guint n_bytes);
-static void volume_process_int24 (GstVolume * this, gpointer bytes,
+static void volume_process_int24 (GstVolume * self, gpointer bytes,
guint n_bytes);
-static void volume_process_int24_clamp (GstVolume * this, gpointer bytes,
+static void volume_process_int24_clamp (GstVolume * self, gpointer bytes,
guint n_bytes);
-static void volume_process_int16 (GstVolume * this, gpointer bytes,
+static void volume_process_int16 (GstVolume * self, gpointer bytes,
guint n_bytes);
-static void volume_process_int16_clamp (GstVolume * this, gpointer bytes,
+static void volume_process_int16_clamp (GstVolume * self, gpointer bytes,
guint n_bytes);
-static void volume_process_int8 (GstVolume * this, gpointer bytes,
+static void volume_process_int8 (GstVolume * self, gpointer bytes,
guint n_bytes);
-static void volume_process_int8_clamp (GstVolume * this, gpointer bytes,
+static void volume_process_int8_clamp (GstVolume * self, gpointer bytes,
guint n_bytes);
/* helper functions */
static gboolean
-volume_choose_func (GstVolume * this)
+volume_choose_func (GstVolume * self)
{
- this->process = NULL;
+ self->process = NULL;
- if (GST_AUDIO_FILTER (this)->format.caps == NULL)
+ if (GST_AUDIO_FILTER (self)->format.caps == NULL)
return FALSE;
- switch (GST_AUDIO_FILTER (this)->format.type) {
+ switch (GST_AUDIO_FILTER (self)->format.type) {
case GST_BUFTYPE_LINEAR:
- switch (GST_AUDIO_FILTER (this)->format.width) {
+ switch (GST_AUDIO_FILTER (self)->format.width) {
case 32:
/* only clamp if the gain is greater than 1.0
* FIXME: current_vol_i can change while processing the buffer!
*/
- if (this->current_vol_i32 > VOLUME_UNITY_INT32)
- this->process = volume_process_int32_clamp;
+ if (self->current_vol_i32 > VOLUME_UNITY_INT32)
+ self->process = volume_process_int32_clamp;
else
- this->process = volume_process_int32;
+ self->process = volume_process_int32;
break;
case 24:
/* only clamp if the gain is greater than 1.0
* FIXME: current_vol_i can change while processing the buffer!
*/
- if (this->current_vol_i24 > VOLUME_UNITY_INT24)
- this->process = volume_process_int24_clamp;
+ if (self->current_vol_i24 > VOLUME_UNITY_INT24)
+ self->process = volume_process_int24_clamp;
else
- this->process = volume_process_int24;
+ self->process = volume_process_int24;
break;
case 16:
/* only clamp if the gain is greater than 1.0
* FIXME: current_vol_i can change while processing the buffer!
*/
- if (this->current_vol_i16 > VOLUME_UNITY_INT16)
- this->process = volume_process_int16_clamp;
+ if (self->current_vol_i16 > VOLUME_UNITY_INT16)
+ self->process = volume_process_int16_clamp;
else
- this->process = volume_process_int16;
+ self->process = volume_process_int16;
break;
case 8:
/* only clamp if the gain is greater than 1.0
* FIXME: current_vol_i can change while processing the buffer!
*/
- if (this->current_vol_i16 > VOLUME_UNITY_INT8)
- this->process = volume_process_int8_clamp;
+ if (self->current_vol_i16 > VOLUME_UNITY_INT8)
+ self->process = volume_process_int8_clamp;
else
- this->process = volume_process_int8;
+ self->process = volume_process_int8;
break;
}
break;
case GST_BUFTYPE_FLOAT:
- switch (GST_AUDIO_FILTER (this)->format.width) {
+ switch (GST_AUDIO_FILTER (self)->format.width) {
case 32:
- this->process = volume_process_float;
+ self->process = volume_process_float;
break;
case 64:
- this->process = volume_process_double;
+ self->process = volume_process_double;
break;
}
break;
break;
}
- return (this->process != NULL);
+ return (self->process != NULL);
}
static gboolean
-volume_update_volume (GstVolume * this, gfloat volume, gboolean mute)
+volume_update_volume (GstVolume * self, gfloat volume, gboolean mute)
{
gboolean passthrough;
gboolean res;
- GST_DEBUG_OBJECT (this, "configure mute %d, volume %f", mute, volume);
+ GST_DEBUG_OBJECT (self, "configure mute %d, volume %f", mute, volume);
if (mute) {
- this->current_mute = TRUE;
- this->current_volume = 0.0;
+ self->current_mute = TRUE;
+ self->current_volume = 0.0;
- this->current_vol_i8 = 0;
- this->current_vol_i16 = 0;
- this->current_vol_i24 = 0;
- this->current_vol_i32 = 0;
+ self->current_vol_i8 = 0;
+ self->current_vol_i16 = 0;
+ self->current_vol_i24 = 0;
+ self->current_vol_i32 = 0;
passthrough = FALSE;
} else {
- this->current_mute = FALSE;
- this->current_volume = volume;
+ self->current_mute = FALSE;
+ self->current_volume = volume;
- this->current_vol_i8 = volume * VOLUME_UNITY_INT8;
- this->current_vol_i16 = volume * VOLUME_UNITY_INT16;
- this->current_vol_i24 = volume * VOLUME_UNITY_INT24;
- this->current_vol_i32 = volume * VOLUME_UNITY_INT32;
+ self->current_vol_i8 = volume * VOLUME_UNITY_INT8;
+ self->current_vol_i16 = volume * VOLUME_UNITY_INT16;
+ self->current_vol_i24 = volume * VOLUME_UNITY_INT24;
+ self->current_vol_i32 = volume * VOLUME_UNITY_INT32;
- passthrough = (this->current_vol_i16 == VOLUME_UNITY_INT16);
+ passthrough = (self->current_vol_i16 == VOLUME_UNITY_INT16);
}
- GST_DEBUG_OBJECT (this, "set passthrough %d", passthrough);
+ GST_DEBUG_OBJECT (self, "set passthrough %d", passthrough);
- gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (this), passthrough);
+ gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (self), passthrough);
- res = this->negotiated = volume_choose_func (this);
+ res = self->negotiated = volume_choose_func (self);
return res;
}
static const GList *
gst_volume_list_tracks (GstMixer * mixer)
{
- GstVolume *this = GST_VOLUME (mixer);
+ GstVolume *self = GST_VOLUME (mixer);
- g_return_val_if_fail (this != NULL, NULL);
- g_return_val_if_fail (GST_IS_VOLUME (this), NULL);
+ g_return_val_if_fail (self != NULL, NULL);
+ g_return_val_if_fail (GST_IS_VOLUME (self), NULL);
- return this->tracklist;
+ return self->tracklist;
}
static void
gst_volume_set_volume (GstMixer * mixer, GstMixerTrack * track, gint * volumes)
{
- GstVolume *this = GST_VOLUME (mixer);
+ GstVolume *self = GST_VOLUME (mixer);
- g_return_if_fail (this != NULL);
- g_return_if_fail (GST_IS_VOLUME (this));
+ g_return_if_fail (self != NULL);
+ g_return_if_fail (GST_IS_VOLUME (self));
- GST_OBJECT_LOCK (this);
- this->volume = (gfloat) volumes[0] / VOLUME_STEPS;
- GST_OBJECT_UNLOCK (this);
+ GST_OBJECT_LOCK (self);
+ self->volume = (gfloat) volumes[0] / VOLUME_STEPS;
+ GST_OBJECT_UNLOCK (self);
}
static void
gst_volume_get_volume (GstMixer * mixer, GstMixerTrack * track, gint * volumes)
{
- GstVolume *this = GST_VOLUME (mixer);
+ GstVolume *self = GST_VOLUME (mixer);
- g_return_if_fail (this != NULL);
- g_return_if_fail (GST_IS_VOLUME (this));
+ g_return_if_fail (self != NULL);
+ g_return_if_fail (GST_IS_VOLUME (self));
- GST_OBJECT_LOCK (this);
- volumes[0] = (gint) this->volume * VOLUME_STEPS;
- GST_OBJECT_UNLOCK (this);
+ GST_OBJECT_LOCK (self);
+ volumes[0] = (gint) self->volume * VOLUME_STEPS;
+ GST_OBJECT_UNLOCK (self);
}
static void
gst_volume_set_mute (GstMixer * mixer, GstMixerTrack * track, gboolean mute)
{
- GstVolume *this = GST_VOLUME (mixer);
+ GstVolume *self = GST_VOLUME (mixer);
- g_return_if_fail (this != NULL);
- g_return_if_fail (GST_IS_VOLUME (this));
+ g_return_if_fail (self != NULL);
+ g_return_if_fail (GST_IS_VOLUME (self));
- GST_OBJECT_LOCK (this);
- this->mute = mute;
- GST_OBJECT_UNLOCK (this);
+ GST_OBJECT_LOCK (self);
+ self->mute = mute;
+ GST_OBJECT_UNLOCK (self);
}
static void
}
static void
-gst_volume_init (GstVolume * this, GstVolumeClass * g_class)
+gst_volume_init (GstVolume * self, GstVolumeClass * g_class)
{
GstMixerTrack *track = NULL;
- this->mute = DEFAULT_PROP_MUTE;;
- this->volume = DEFAULT_PROP_VOLUME;
+ self->mute = DEFAULT_PROP_MUTE;;
+ self->volume = DEFAULT_PROP_VOLUME;
- this->tracklist = NULL;
- this->negotiated = FALSE;
+ self->tracklist = NULL;
+ self->negotiated = FALSE;
track = g_object_new (GST_TYPE_MIXER_TRACK, NULL);
track->min_volume = 0;
track->max_volume = VOLUME_STEPS;
track->flags = GST_MIXER_TRACK_SOFTWARE;
- this->tracklist = g_list_append (this->tracklist, track);
+ self->tracklist = g_list_append (self->tracklist, track);
}
- gst_base_transform_set_gap_aware (GST_BASE_TRANSFORM (this), TRUE);
+ gst_base_transform_set_gap_aware (GST_BASE_TRANSFORM (self), TRUE);
}
static void
-volume_process_double (GstVolume * this, gpointer bytes, guint n_bytes)
+volume_process_double (GstVolume * self, gpointer bytes, guint n_bytes)
{
gdouble *data = (gdouble *) bytes;
guint num_samples = n_bytes / sizeof (gdouble);
- gdouble vol = this->current_volume;
+ gdouble vol = self->current_volume;
oil_scalarmultiply_f64_ns (data, data, &vol, num_samples);
}
static void
-volume_process_float (GstVolume * this, gpointer bytes, guint n_bytes)
+volume_process_float (GstVolume * self, gpointer bytes, guint n_bytes)
{
gfloat *data = (gfloat *) bytes;
guint num_samples = n_bytes / sizeof (gfloat);
guint i;
for (i = 0; i < num_samples; i++) {
- *data++ *= this->real_vol_f;
+ *data++ *= self->real_vol_f;
}
/* time "gst-launch 2>/dev/null audiotestsrc wave=7 num-buffers=10000 ! audio/x-raw-float !
* volume volume=1.5 ! fakesink" goes from 0m0.850s -> 0m0.717s with liboil
*/
#endif
- oil_scalarmultiply_f32_ns (data, data, &this->current_volume, num_samples);
+ oil_scalarmultiply_f32_ns (data, data, &self->current_volume, num_samples);
}
static void
-volume_process_int32 (GstVolume * this, gpointer bytes, guint n_bytes)
+volume_process_int32 (GstVolume * self, gpointer bytes, guint n_bytes)
{
gint *data = (gint *) bytes;
guint i, num_samples;
/* we use bitshifting instead of dividing by UNITY_INT for speed */
val = (gint64) * data;
val =
- (((gint64) this->current_vol_i32 *
+ (((gint64) self->current_vol_i32 *
val) >> VOLUME_UNITY_INT32_BIT_SHIFT);
*data++ = (gint32) val;
}
}
static void
-volume_process_int32_clamp (GstVolume * this, gpointer bytes, guint n_bytes)
+volume_process_int32_clamp (GstVolume * self, gpointer bytes, guint n_bytes)
{
gint *data = (gint *) bytes;
guint i, num_samples;
/* we use bitshifting instead of dividing by UNITY_INT for speed */
val = (gint64) * data;
val =
- (((gint64) this->current_vol_i32 *
+ (((gint64) self->current_vol_i32 *
val) >> VOLUME_UNITY_INT32_BIT_SHIFT);
*data++ = (gint32) CLAMP (val, VOLUME_MIN_INT32, VOLUME_MAX_INT32);
}
#endif
static void
-volume_process_int24 (GstVolume * this, gpointer bytes, guint n_bytes)
+volume_process_int24 (GstVolume * self, gpointer bytes, guint n_bytes)
{
gint8 *data = (gint8 *) bytes; /* treat the data as a byte stream */
guint i, num_samples;
val = (gint32) samp;
val =
- (((gint64) this->current_vol_i24 *
+ (((gint64) self->current_vol_i24 *
val) >> VOLUME_UNITY_INT24_BIT_SHIFT);
samp = (guint32) val;
}
static void
-volume_process_int24_clamp (GstVolume * this, gpointer bytes, guint n_bytes)
+volume_process_int24_clamp (GstVolume * self, gpointer bytes, guint n_bytes)
{
gint8 *data = (gint8 *) bytes; /* treat the data as a byte stream */
guint i, num_samples;
val = (gint32) samp;
val =
- (((gint64) this->current_vol_i24 *
+ (((gint64) self->current_vol_i24 *
val) >> VOLUME_UNITY_INT24_BIT_SHIFT);
samp = (guint32) CLAMP (val, VOLUME_MIN_INT24, VOLUME_MAX_INT24);
}
static void
-volume_process_int16 (GstVolume * this, gpointer bytes, guint n_bytes)
+volume_process_int16 (GstVolume * self, gpointer bytes, guint n_bytes)
{
gint16 *data = (gint16 *) bytes;
guint num_samples = n_bytes / sizeof (gint16);
/* we use bitshifting instead of dividing by UNITY_INT for speed */
val = (gint) * data;
*data++ =
- (gint16) ((this->current_vol_i16 *
+ (gint16) ((self->current_vol_i16 *
val) >> VOLUME_UNITY_INT16_BIT_SHIFT);
}
#else
* time gst-launch 2>/dev/null audiotestsrc wave=7 num-buffers=100 ! volume volume=1.5 ! fakesink
*/
oil_scalarmult_s16 (data, 0, data, 0,
- ((gint16 *) (void *) (&this->current_vol_i)), num_samples);
+ ((gint16 *) (void *) (&self->current_vol_i)), num_samples);
#endif
}
static void
-volume_process_int16_clamp (GstVolume * this, gpointer bytes, guint n_bytes)
+volume_process_int16_clamp (GstVolume * self, gpointer bytes, guint n_bytes)
{
gint16 *data = (gint16 *) bytes;
guint i, num_samples;
/* we use bitshifting instead of dividing by UNITY_INT for speed */
val = (gint) * data;
*data++ =
- (gint16) CLAMP ((this->current_vol_i16 *
+ (gint16) CLAMP ((self->current_vol_i16 *
val) >> VOLUME_UNITY_INT16_BIT_SHIFT, VOLUME_MIN_INT16,
VOLUME_MAX_INT16);
}
}
static void
-volume_process_int8 (GstVolume * this, gpointer bytes, guint n_bytes)
+volume_process_int8 (GstVolume * self, gpointer bytes, guint n_bytes)
{
gint8 *data = (gint8 *) bytes;
guint num_samples = n_bytes / sizeof (gint8);
/* we use bitshifting instead of dividing by UNITY_INT for speed */
val = (gint) * data;
*data++ =
- (gint8) ((this->current_vol_i8 * val) >> VOLUME_UNITY_INT8_BIT_SHIFT);
+ (gint8) ((self->current_vol_i8 * val) >> VOLUME_UNITY_INT8_BIT_SHIFT);
}
}
static void
-volume_process_int8_clamp (GstVolume * this, gpointer bytes, guint n_bytes)
+volume_process_int8_clamp (GstVolume * self, gpointer bytes, guint n_bytes)
{
gint8 *data = (gint8 *) bytes;
guint i, num_samples;
/* we use bitshifting instead of dividing by UNITY_INT for speed */
val = (gint) * data;
*data++ =
- (gint8) CLAMP ((this->current_vol_i8 *
+ (gint8) CLAMP ((self->current_vol_i8 *
val) >> VOLUME_UNITY_INT8_BIT_SHIFT, VOLUME_MIN_INT8,
VOLUME_MAX_INT8);
}
volume_setup (GstAudioFilter * filter, GstRingBufferSpec * format)
{
gboolean res;
- GstVolume *this = GST_VOLUME (filter);
+ GstVolume *self = GST_VOLUME (filter);
gfloat volume;
gboolean mute;
- GST_OBJECT_LOCK (this);
- volume = this->volume;
- mute = this->mute;
- GST_OBJECT_UNLOCK (this);
+ GST_OBJECT_LOCK (self);
+ volume = self->volume;
+ mute = self->mute;
+ GST_OBJECT_UNLOCK (self);
- res = volume_update_volume (this, volume, mute);
+ res = volume_update_volume (self, volume, mute);
if (!res) {
- GST_ELEMENT_ERROR (this, CORE, NEGOTIATION,
+ GST_ELEMENT_ERROR (self, CORE, NEGOTIATION,
("Invalid incoming format"), (NULL));
}
- this->negotiated = res;
+ self->negotiated = res;
return res;
}
volume_before_transform (GstBaseTransform * base, GstBuffer * buffer)
{
GstClockTime timestamp;
- GstVolume *this = GST_VOLUME (base);
+ GstVolume *self = GST_VOLUME (base);
gfloat volume;
gboolean mute;
GST_TIME_ARGS (timestamp));
if (GST_CLOCK_TIME_IS_VALID (timestamp))
- gst_object_sync_values (G_OBJECT (this), timestamp);
+ gst_object_sync_values (G_OBJECT (self), timestamp);
/* get latest values */
- GST_OBJECT_LOCK (this);
- volume = this->volume;
- mute = this->mute;
- GST_OBJECT_UNLOCK (this);
+ GST_OBJECT_LOCK (self);
+ volume = self->volume;
+ mute = self->mute;
+ GST_OBJECT_UNLOCK (self);
- if ((volume != this->current_volume) || (mute != this->current_mute)) {
+ if ((volume != self->current_volume) || (mute != self->current_mute)) {
/* the volume or mute was updated, update our internal state before
* we continue processing. */
- volume_update_volume (this, volume, mute);
+ volume_update_volume (self, volume, mute);
}
}
static GstFlowReturn
volume_transform_ip (GstBaseTransform * base, GstBuffer * outbuf)
{
- GstVolume *this = GST_VOLUME (base);
+ GstVolume *self = GST_VOLUME (base);
guint8 *data;
guint size;
- if (G_UNLIKELY (!this->negotiated))
+ if (G_UNLIKELY (!self->negotiated))
goto not_negotiated;
/* don't process data in passthrough-mode */
data = GST_BUFFER_DATA (outbuf);
size = GST_BUFFER_SIZE (outbuf);
- if (this->current_volume == 0.0) {
+ if (self->current_volume == 0.0) {
memset (data, 0, size);
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_GAP);
- } else if (this->current_volume != 1.0) {
- this->process (this, data, size);
+ } else if (self->current_volume != 1.0) {
+ self->process (self, data, size);
}
return GST_FLOW_OK;
/* ERRORS */
not_negotiated:
{
- GST_ELEMENT_ERROR (this, CORE, NEGOTIATION,
+ GST_ELEMENT_ERROR (self, CORE, NEGOTIATION,
("No format was negotiated"), (NULL));
return GST_FLOW_NOT_NEGOTIATED;
}
volume_set_property (GObject * object, guint prop_id, const GValue * value,
GParamSpec * pspec)
{
- GstVolume *this = GST_VOLUME (object);
+ GstVolume *self = GST_VOLUME (object);
switch (prop_id) {
case PROP_MUTE:
- GST_OBJECT_LOCK (this);
- this->mute = g_value_get_boolean (value);
- GST_OBJECT_UNLOCK (this);
+ GST_OBJECT_LOCK (self);
+ self->mute = g_value_get_boolean (value);
+ GST_OBJECT_UNLOCK (self);
break;
case PROP_VOLUME:
- GST_OBJECT_LOCK (this);
- this->volume = g_value_get_double (value);
- GST_OBJECT_UNLOCK (this);
+ GST_OBJECT_LOCK (self);
+ self->volume = g_value_get_double (value);
+ GST_OBJECT_UNLOCK (self);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
volume_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
- GstVolume *this = GST_VOLUME (object);
+ GstVolume *self = GST_VOLUME (object);
switch (prop_id) {
case PROP_MUTE:
- GST_OBJECT_LOCK (this);
- g_value_set_boolean (value, this->mute);
- GST_OBJECT_UNLOCK (this);
+ GST_OBJECT_LOCK (self);
+ g_value_set_boolean (value, self->mute);
+ GST_OBJECT_UNLOCK (self);
break;
case PROP_VOLUME:
- GST_OBJECT_LOCK (this);
- g_value_set_double (value, this->volume);
- GST_OBJECT_UNLOCK (this);
+ GST_OBJECT_LOCK (self);
+ g_value_set_double (value, self->volume);
+ GST_OBJECT_UNLOCK (self);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
projects / platform / upstream / gstreamer.git / commitdiff