static void
gst_spectrum_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstSpectrum *filter = GST_SPECTRUM (object);
switch (prop_id) {
case PROP_MESSAGE:
case PROP_POST_MESSAGES:
filter->post_messages = g_value_get_boolean (value);
break;
case PROP_MESSAGE_MAGNITUDE:
filter->message_magnitude = g_value_get_boolean (value);
break;
case PROP_MESSAGE_PHASE:
filter->message_phase = g_value_get_boolean (value);
break;
case PROP_INTERVAL:{
guint64 interval = g_value_get_uint64 (value);
if (filter->interval != interval) {
GST_BASE_TRANSFORM_LOCK (filter);
filter->interval = interval;
gst_spectrum_reset_state (filter);
GST_BASE_TRANSFORM_UNLOCK (filter);
}
}
break;
case PROP_BANDS:{
guint bands = g_value_get_uint (value);
if (filter->bands != bands) {
GST_BASE_TRANSFORM_LOCK (filter);
filter->bands = bands;
gst_spectrum_reset_state (filter);
GST_BASE_TRANSFORM_UNLOCK (filter);
}
}
break;
case PROP_THRESHOLD:
filter->threshold = g_value_get_int (value);
break;
case PROP_MULTI_CHANNEL:{
gboolean multi_channel = g_value_get_boolean (value);
if (filter->multi_channel != multi_channel) {
GST_BASE_TRANSFORM_LOCK (filter);
filter->multi_channel = multi_channel;
gst_spectrum_reset_state (filter);
GST_BASE_TRANSFORM_UNLOCK (filter);
}
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
gst_spectrum_stop (GstBaseTransform * trans)
{
GstSpectrum *spectrum = GST_SPECTRUM (trans);
gst_spectrum_reset_state (spectrum);
return TRUE;
}
static void
gst_spectrum_finalize (GObject * object)
{
GstSpectrum *spectrum = GST_SPECTRUM (object);
gst_spectrum_reset_state (spectrum);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gboolean
gst_spectrum_setup (GstAudioFilter * base, GstRingBufferSpec * format)
{
GstSpectrum *spectrum = GST_SPECTRUM (base);
guint width = format->width / 8;
gboolean is_float = (format->type == GST_BUFTYPE_FLOAT);
/* max_value will be 0 when depth is 1,
* interpret -1 and 0 as -1 and +1 if that's the case. */
guint max_value = (1UL << (format->depth - 1)) - 1;
gboolean multi_channel = spectrum->multi_channel;
GstSpectrumInputData input_data = NULL;
if (is_float) {
if (width == 4) {
input_data = multi_channel ? input_data_float : input_data_mixed_float;
} else if (width == 8) {
input_data = multi_channel ? input_data_double : input_data_mixed_double;
} else {
g_assert_not_reached ();
}
} else {
if (width == 4) {
if (max_value) {
input_data =
multi_channel ? input_data_int32_max : input_data_mixed_int32_max;
} else {
input_data = multi_channel ? input_data_int32 : input_data_mixed_int32;
}
} else if (width == 3) {
if (max_value) {
input_data =
multi_channel ? input_data_int24_max : input_data_mixed_int24_max;
} else {
input_data = multi_channel ? input_data_int24 : input_data_mixed_int24;
}
} else if (width == 2) {
if (max_value) {
input_data =
multi_channel ? input_data_int16_max : input_data_mixed_int16_max;
} else {
input_data = multi_channel ? input_data_int16 : input_data_mixed_int16;
}
} else {
g_assert_not_reached ();
}
}
spectrum->input_data = input_data;
gst_spectrum_reset_state (spectrum);
return TRUE;
}
static gboolean
gst_spectrum_setup (GstAudioFilter * base, const GstAudioInfo * info)
{
GstSpectrum *spectrum = GST_SPECTRUM (base);
gboolean multi_channel = spectrum->multi_channel;
GstSpectrumInputData input_data = NULL;
g_mutex_lock (&spectrum->lock);
switch (GST_AUDIO_INFO_FORMAT (info)) {
case GST_AUDIO_FORMAT_S16:
input_data =
multi_channel ? input_data_int16_max : input_data_mixed_int16_max;
break;
case GST_AUDIO_FORMAT_S24:
input_data =
multi_channel ? input_data_int24_max : input_data_mixed_int24_max;
break;
case GST_AUDIO_FORMAT_S32:
input_data =
multi_channel ? input_data_int32_max : input_data_mixed_int32_max;
break;
case GST_AUDIO_FORMAT_F32:
input_data = multi_channel ? input_data_float : input_data_mixed_float;
break;
case GST_AUDIO_FORMAT_F64:
input_data = multi_channel ? input_data_double : input_data_mixed_double;
break;
default:
g_assert_not_reached ();
break;
}
spectrum->input_data = input_data;
gst_spectrum_reset_state (spectrum);
g_mutex_unlock (&spectrum->lock);
return TRUE;
}
