From 7a778ee4b7ec09a1f5b2185c9cceee3910dfbdf2 Mon Sep 17 00:00:00 2001 From: Thomas Vander Stichele Date: Sun, 14 Mar 2004 22:34:33 +0000 Subject: gst-indent Original commit message from CVS: gst-indent --- gst/filter/gstbpwsinc.c | 185 ++++++++++++++++++++++++------------------------ 1 file changed, 93 insertions(+), 92 deletions(-) (limited to 'gst/filter/gstbpwsinc.c') diff --git a/gst/filter/gstbpwsinc.c b/gst/filter/gstbpwsinc.c index 77529053..a848cc26 100644 --- a/gst/filter/gstbpwsinc.c +++ b/gst/filter/gstbpwsinc.c @@ -39,20 +39,19 @@ #include /* memmove */ /* elementfactory information */ -static GstElementDetails gst_bpwsinc_details = GST_ELEMENT_DETAILS ( - "BPWSinc", - "Filter/Effect/Audio", - "Band-Pass Windowed sinc filter", - "Thomas , " - "Steven W. Smith" -); - -enum { +static GstElementDetails gst_bpwsinc_details = GST_ELEMENT_DETAILS ("BPWSinc", + "Filter/Effect/Audio", + "Band-Pass Windowed sinc filter", + "Thomas , " "Steven W. Smith"); + +enum +{ /* FILL ME */ LAST_SIGNAL }; -enum { +enum +{ ARG_0, ARG_LENGTH, ARG_LOWER_FREQUENCY, @@ -81,51 +80,52 @@ struct _GstBPWSinc double frequency; double lower_frequency, upper_frequency; - int wing_size; /* length of a "wing" of the filter; - actual length is 2 * wing_size + 1 */ + int wing_size; /* length of a "wing" of the filter; + actual length is 2 * wing_size + 1 */ - gfloat *residue; /* buffer for left-over samples from previous buffer */ + gfloat *residue; /* buffer for left-over samples from previous buffer */ double *kernel; }; struct _GstBPWSincClass { - GstElementClass parent_class; + GstElementClass parent_class; }; -static void gst_bpwsinc_base_init (gpointer g_class); -static void gst_bpwsinc_class_init (GstBPWSincClass * klass); -static void gst_bpwsinc_init (GstBPWSinc * filter); +static void gst_bpwsinc_base_init (gpointer g_class); +static void gst_bpwsinc_class_init (GstBPWSincClass * klass); +static void gst_bpwsinc_init (GstBPWSinc * filter); -static void gst_bpwsinc_set_property (GObject * object, guint prop_id, - const GValue * value, - GParamSpec * pspec); -static void gst_bpwsinc_get_property (GObject * object, guint prop_id, - GValue * value, GParamSpec * pspec); +static void gst_bpwsinc_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec); +static void gst_bpwsinc_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec); -static void gst_bpwsinc_chain (GstPad * pad, GstData *_data); +static void gst_bpwsinc_chain (GstPad * pad, GstData * _data); static GstPadLinkReturn - gst_bpwsinc_sink_connect (GstPad * pad, const GstCaps * caps); +gst_bpwsinc_sink_connect (GstPad * pad, const GstCaps * caps); static GstElementClass *parent_class = NULL; + /*static guint gst_bpwsinc_signals[LAST_SIGNAL] = { 0 }; */ -GType gst_bpwsinc_get_type (void) +GType +gst_bpwsinc_get_type (void) { static GType bpwsinc_type = 0; if (!bpwsinc_type) { static const GTypeInfo bpwsinc_info = { - sizeof (GstBPWSincClass), - gst_bpwsinc_base_init, + sizeof (GstBPWSincClass), + gst_bpwsinc_base_init, NULL, (GClassInitFunc) gst_bpwsinc_class_init, NULL, NULL, sizeof (GstBPWSinc), 0, (GInstanceInitFunc) gst_bpwsinc_init, }; - bpwsinc_type = g_type_register_static (GST_TYPE_ELEMENT, "GstBPWSinc", - &bpwsinc_info, 0); + bpwsinc_type = g_type_register_static (GST_TYPE_ELEMENT, "GstBPWSinc", + &bpwsinc_info, 0); } return bpwsinc_type; } @@ -139,9 +139,9 @@ gst_bpwsinc_base_init (gpointer g_class) gst_element_class_add_pad_template (element_class, gst_static_pad_template_get (&gst_filter_src_template)); gst_element_class_add_pad_template (element_class, - gst_static_pad_template_get (&gst_filter_sink_template)); + gst_static_pad_template_get (&gst_filter_sink_template)); - gst_element_class_set_details (element_class, &gst_bpwsinc_details); + gst_element_class_set_details (element_class, &gst_bpwsinc_details); } static void @@ -156,20 +156,17 @@ gst_bpwsinc_class_init (GstBPWSincClass * klass) parent_class = g_type_class_ref (GST_TYPE_ELEMENT); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LOWER_FREQUENCY, - g_param_spec_double ("lower-frequency", "Lower Frequency", - "Cut-off lower frequency (relative to sample rate)", - 0.0, 0.5, - 0, G_PARAM_READWRITE)); + g_param_spec_double ("lower-frequency", "Lower Frequency", + "Cut-off lower frequency (relative to sample rate)", + 0.0, 0.5, 0, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_UPPER_FREQUENCY, - g_param_spec_double ("upper-frequency", "Upper Frequency", - "Cut-off upper frequency (relative to sample rate)", - 0.0, 0.5, - 0, G_PARAM_READWRITE)); + g_param_spec_double ("upper-frequency", "Upper Frequency", + "Cut-off upper frequency (relative to sample rate)", + 0.0, 0.5, 0, G_PARAM_READWRITE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LENGTH, - g_param_spec_int ("length", "Length", - "N such that the filter length = 2N + 1", - 1, G_MAXINT, - 1, G_PARAM_READWRITE)); + g_param_spec_int ("length", "Length", + "N such that the filter length = 2N + 1", + 1, G_MAXINT, 1, G_PARAM_READWRITE)); gobject_class->set_property = gst_bpwsinc_set_property; gobject_class->get_property = gst_bpwsinc_get_property; @@ -178,14 +175,16 @@ gst_bpwsinc_class_init (GstBPWSincClass * klass) static void gst_bpwsinc_init (GstBPWSinc * filter) { - filter->sinkpad = gst_pad_new_from_template ( - gst_static_pad_template_get (&gst_filter_sink_template), "sink"); + filter->sinkpad = + gst_pad_new_from_template (gst_static_pad_template_get + (&gst_filter_sink_template), "sink"); gst_pad_set_chain_function (filter->sinkpad, gst_bpwsinc_chain); gst_pad_set_link_function (filter->sinkpad, gst_bpwsinc_sink_connect); gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad); - filter->srcpad = gst_pad_new_from_template ( - gst_static_pad_template_get (&gst_filter_src_template), "src"); + filter->srcpad = + gst_pad_new_from_template (gst_static_pad_template_get + (&gst_filter_src_template), "src"); gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad); filter->wing_size = 50; @@ -202,65 +201,65 @@ gst_bpwsinc_sink_connect (GstPad * pad, const GstCaps * caps) int len = 0; double *kernel_lp, *kernel_hp; GstPadLinkReturn set_retval; - + GstBPWSinc *filter = GST_BPWSINC (gst_pad_get_parent (pad)); g_assert (GST_IS_PAD (pad)); g_assert (caps != NULL); set_retval = gst_pad_try_set_caps (filter->srcpad, caps); - - if (set_retval > 0) - { + + if (set_retval > 0) { len = filter->wing_size; /* fill the lp kernel */ - GST_DEBUG ( - "bpwsinc: initializing LP kernel of length %d with cut-off %f", - len * 2 + 1, filter->lower_frequency); + GST_DEBUG ("bpwsinc: initializing LP kernel of length %d with cut-off %f", + len * 2 + 1, filter->lower_frequency); kernel_lp = (double *) g_malloc (sizeof (double) * (2 * len + 1)); - for (i = 0; i <= len * 2; ++i) - { + for (i = 0; i <= len * 2; ++i) { if (i == len) kernel_lp[i] = 2 * M_PI * filter->lower_frequency; else - kernel_lp[i] = sin (2 * M_PI * filter->lower_frequency * (i - len)) - / (i - len); + kernel_lp[i] = sin (2 * M_PI * filter->lower_frequency * (i - len)) + / (i - len); /* Blackman windowing */ - kernel_lp[i] *= (0.42 - 0.5 * cos (M_PI * i / len) - + 0.08 * cos (2 * M_PI * i / len)); + kernel_lp[i] *= (0.42 - 0.5 * cos (M_PI * i / len) + + 0.08 * cos (2 * M_PI * i / len)); } /* normalize for unity gain at DC * FIXME: sure this is not supposed to be quadratic ? */ sum = 0.0; - for (i = 0; i <= len * 2; ++i) sum += kernel_lp[i]; - for (i = 0; i <= len * 2; ++i) kernel_lp[i] /= sum; + for (i = 0; i <= len * 2; ++i) + sum += kernel_lp[i]; + for (i = 0; i <= len * 2; ++i) + kernel_lp[i] /= sum; /* fill the hp kernel */ - GST_DEBUG ( - "bpwsinc: initializing HP kernel of length %d with cut-off %f", - len * 2 + 1, filter->upper_frequency); + GST_DEBUG ("bpwsinc: initializing HP kernel of length %d with cut-off %f", + len * 2 + 1, filter->upper_frequency); kernel_hp = (double *) g_malloc (sizeof (double) * (2 * len + 1)); - for (i = 0; i <= len * 2; ++i) - { + for (i = 0; i <= len * 2; ++i) { if (i == len) kernel_hp[i] = 2 * M_PI * filter->upper_frequency; else - kernel_hp[i] = sin (2 * M_PI * filter->upper_frequency * (i - len)) - / (i - len); + kernel_hp[i] = sin (2 * M_PI * filter->upper_frequency * (i - len)) + / (i - len); /* Blackman windowing */ - kernel_hp[i] *= (0.42 - 0.5 * cos (M_PI * i / len) - + 0.08 * cos (2 * M_PI * i / len)); + kernel_hp[i] *= (0.42 - 0.5 * cos (M_PI * i / len) + + 0.08 * cos (2 * M_PI * i / len)); } /* normalize for unity gain at DC * FIXME: sure this is not supposed to be quadratic ? */ sum = 0.0; - for (i = 0; i <= len * 2; ++i) sum += kernel_hp[i]; - for (i = 0; i <= len * 2; ++i) kernel_hp[i] /= sum; + for (i = 0; i <= len * 2; ++i) + sum += kernel_hp[i]; + for (i = 0; i <= len * 2; ++i) + kernel_hp[i] /= sum; /* do spectral inversion to get a HP filter */ - for (i = 0; i <= len * 2; ++i) kernel_hp[i] = -kernel_hp[i]; + for (i = 0; i <= len * 2; ++i) + kernel_hp[i] = -kernel_hp[i]; kernel_hp[len] += 1; /* combine the two filters */ @@ -271,7 +270,8 @@ gst_bpwsinc_sink_connect (GstPad * pad, const GstCaps * caps) filter->kernel[i] = kernel_lp[i] + kernel_hp[i]; /* do spectral inversion to go from band reject to bandpass */ - for (i = 0; i <= len * 2; ++i) filter->kernel[i] = -filter->kernel[i]; + for (i = 0; i <= len * 2; ++i) + filter->kernel[i] = -filter->kernel[i]; filter->kernel[len] += 1; /* free the helper kernels */ @@ -280,14 +280,15 @@ gst_bpwsinc_sink_connect (GstPad * pad, const GstCaps * caps) /* set up the residue memory space */ filter->residue = (gfloat *) g_malloc (sizeof (gfloat) * (len * 2 + 1)); - for (i = 0; i <= len * 2; ++i) filter->residue[i] = 0.0; + for (i = 0; i <= len * 2; ++i) + filter->residue[i] = 0.0; } return set_retval; } static void -gst_bpwsinc_chain (GstPad *pad, GstData *_data) +gst_bpwsinc_chain (GstPad * pad, GstData * _data) { GstBuffer *buf = GST_BUFFER (_data); GstBPWSinc *filter; @@ -323,24 +324,24 @@ gst_bpwsinc_chain (GstPad *pad, GstData *_data) memcpy (&input[residue_samples], src, sizeof (gfloat) * input_samples); /* copy the tail of the current input buffer to the residue */ memcpy (filter->residue, &src[input_samples - residue_samples], - sizeof (gfloat) * residue_samples); + sizeof (gfloat) * residue_samples); /* convolution */ /* since we copied the previous set of samples we needed before the actual * input data, we need to add the filter length to our indices for input */ - for (i = 0; i < input_samples; ++i) - { + for (i = 0; i < input_samples; ++i) { src[i] = 0.0; for (j = 0; j < residue_samples; ++j) src[i] += input[i - j + residue_samples] * filter->kernel[j]; } - + g_free (input); gst_pad_push (filter->srcpad, GST_DATA (buf)); } static void -gst_bpwsinc_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) +gst_bpwsinc_set_property (GObject * object, guint prop_id, const GValue * value, + GParamSpec * pspec) { GstBPWSinc *filter; @@ -351,27 +352,28 @@ gst_bpwsinc_set_property (GObject * object, guint prop_id, const GValue * value, switch (prop_id) { case ARG_LENGTH: - filter->wing_size = g_value_get_int (value); - break; + filter->wing_size = g_value_get_int (value); + break; case ARG_LOWER_FREQUENCY: - filter->lower_frequency = g_value_get_double (value); - break; + filter->lower_frequency = g_value_get_double (value); + break; case ARG_UPPER_FREQUENCY: - filter->upper_frequency = g_value_get_double (value); - break; + filter->upper_frequency = g_value_get_double (value); + break; default: break; } } static void -gst_bpwsinc_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec) +gst_bpwsinc_get_property (GObject * object, guint prop_id, GValue * value, + GParamSpec * pspec) { GstBPWSinc *filter; /* it's not null if we got it, but it might not be ours */ g_return_if_fail (GST_IS_BPWSINC (object)); - + filter = GST_BPWSINC (object); switch (prop_id) { @@ -388,5 +390,4 @@ gst_bpwsinc_get_property (GObject * object, guint prop_id, GValue * value, GPara G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } -} - +} -- cgit v1.2.1