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/spectrum/gstspectrum.c | 157 +++++++++++++++++++++++---------------------- 1 file changed, 79 insertions(+), 78 deletions(-) (limited to 'gst/spectrum/gstspectrum.c') diff --git a/gst/spectrum/gstspectrum.c b/gst/spectrum/gstspectrum.c index 920d69ee..aa309f1c 100644 --- a/gst/spectrum/gstspectrum.c +++ b/gst/spectrum/gstspectrum.c @@ -25,40 +25,44 @@ #include "gstspectrum.h" /* elementfactory information */ -static GstElementDetails gst_spectrum_details = GST_ELEMENT_DETAILS ( - "Spectrum analyzer", - "Filter/Analyzer/Audio", - "Run an FFT on the audio signal, output spectrum data", - "Erik Walthinsen " -); +static GstElementDetails gst_spectrum_details = +GST_ELEMENT_DETAILS ("Spectrum analyzer", + "Filter/Analyzer/Audio", + "Run an FFT on the audio signal, output spectrum data", + "Erik Walthinsen "); /* Spectrum signals and args */ -enum { +enum +{ /* FILL ME */ LAST_SIGNAL }; -enum { +enum +{ ARG_0, ARG_WIDTH, }; -static void gst_spectrum_base_init (gpointer g_class); -static void gst_spectrum_class_init (GstSpectrumClass *klass); -static void gst_spectrum_init (GstSpectrum *spectrum); +static void gst_spectrum_base_init (gpointer g_class); +static void gst_spectrum_class_init (GstSpectrumClass * klass); +static void gst_spectrum_init (GstSpectrum * spectrum); -static void gst_spectrum_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); +static void gst_spectrum_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec); -static void gst_spectrum_chain (GstPad *pad, GstData *_data); +static void gst_spectrum_chain (GstPad * pad, GstData * _data); #define fixed short -int gst_spectrum_fix_fft(fixed fr[], fixed fi[], int m, int inverse); -void gst_spectrum_fix_loud(fixed loud[], fixed fr[], fixed fi[], int n, int scale_shift); -void gst_spectrum_window(fixed fr[], int n); +int gst_spectrum_fix_fft (fixed fr[], fixed fi[], int m, int inverse); +void gst_spectrum_fix_loud (fixed loud[], fixed fr[], fixed fi[], int n, + int scale_shift); +void gst_spectrum_window (fixed fr[], int n); static GstElementClass *parent_class = NULL; + /*static guint gst_spectrum_signals[LAST_SIGNAL] = { 0 }; */ GType @@ -68,17 +72,19 @@ gst_spectrum_get_type (void) if (!spectrum_type) { static const GTypeInfo spectrum_info = { - sizeof(GstSpectrumClass), + sizeof (GstSpectrumClass), gst_spectrum_base_init, NULL, - (GClassInitFunc)gst_spectrum_class_init, + (GClassInitFunc) gst_spectrum_class_init, NULL, NULL, - sizeof(GstSpectrum), + sizeof (GstSpectrum), 0, - (GInstanceInitFunc)gst_spectrum_init, + (GInstanceInitFunc) gst_spectrum_init, }; - spectrum_type = g_type_register_static(GST_TYPE_ELEMENT, "GstSpectrum", &spectrum_info, 0); + spectrum_type = + g_type_register_static (GST_TYPE_ELEMENT, "GstSpectrum", &spectrum_info, + 0); } return spectrum_type; } @@ -91,41 +97,40 @@ gst_spectrum_base_init (gpointer g_class) gst_element_class_set_details (element_class, &gst_spectrum_details); } static void -gst_spectrum_class_init (GstSpectrumClass *klass) +gst_spectrum_class_init (GstSpectrumClass * klass) { GObjectClass *gobject_class; - gobject_class = (GObjectClass*)klass; + gobject_class = (GObjectClass *) klass; - parent_class = g_type_class_ref(GST_TYPE_ELEMENT); + parent_class = g_type_class_ref (GST_TYPE_ELEMENT); - g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_WIDTH, - g_param_spec_int("width","width","width", - G_MININT,G_MAXINT,0,G_PARAM_WRITABLE)); /* CHECKME */ + g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_WIDTH, g_param_spec_int ("width", "width", "width", G_MININT, G_MAXINT, 0, G_PARAM_WRITABLE)); /* CHECKME */ gobject_class->set_property = gst_spectrum_set_property; } static void -gst_spectrum_init (GstSpectrum *spectrum) +gst_spectrum_init (GstSpectrum * spectrum) { - spectrum->sinkpad = gst_pad_new("sink",GST_PAD_SINK); - gst_element_add_pad(GST_ELEMENT(spectrum),spectrum->sinkpad); - gst_pad_set_chain_function(spectrum->sinkpad,gst_spectrum_chain); - spectrum->srcpad = gst_pad_new("src",GST_PAD_SRC); - gst_element_add_pad(GST_ELEMENT(spectrum),spectrum->srcpad); + spectrum->sinkpad = gst_pad_new ("sink", GST_PAD_SINK); + gst_element_add_pad (GST_ELEMENT (spectrum), spectrum->sinkpad); + gst_pad_set_chain_function (spectrum->sinkpad, gst_spectrum_chain); + spectrum->srcpad = gst_pad_new ("src", GST_PAD_SRC); + gst_element_add_pad (GST_ELEMENT (spectrum), spectrum->srcpad); spectrum->width = 75; } static void -gst_spectrum_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) +gst_spectrum_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec) { GstSpectrum *spectrum; /* it's not null if we got it, but it might not be ours */ - g_return_if_fail(GST_IS_SPECTRUM(object)); - spectrum = GST_SPECTRUM(object); + g_return_if_fail (GST_IS_SPECTRUM (object)); + spectrum = GST_SPECTRUM (object); switch (prop_id) { case ARG_WIDTH: @@ -137,48 +142,49 @@ gst_spectrum_set_property (GObject *object, guint prop_id, const GValue *value, } static void -gst_spectrum_chain (GstPad *pad, GstData *_data) +gst_spectrum_chain (GstPad * pad, GstData * _data) { GstBuffer *buf = GST_BUFFER (_data); GstSpectrum *spectrum; gint spec_base, spec_len; gint16 *re, *im, *loud; gint16 *samples; - gint step,pos,i; + gint step, pos, i; guchar *spect; GstBuffer *newbuf; - g_return_if_fail(pad != NULL); - g_return_if_fail(GST_IS_PAD(pad)); - g_return_if_fail(buf != NULL); + g_return_if_fail (pad != NULL); + g_return_if_fail (GST_IS_PAD (pad)); + g_return_if_fail (buf != NULL); spectrum = GST_SPECTRUM (GST_OBJECT_PARENT (pad)); - samples = (gint16 *)GST_BUFFER_DATA(buf); + samples = (gint16 *) GST_BUFFER_DATA (buf); spec_base = 8; spec_len = 1024; - im = g_malloc(spec_len * sizeof(gint16)); - g_return_if_fail(im != NULL); - loud = g_malloc(spec_len * sizeof(gint16)); - g_return_if_fail(loud != NULL); + im = g_malloc (spec_len * sizeof (gint16)); + g_return_if_fail (im != NULL); + loud = g_malloc (spec_len * sizeof (gint16)); + g_return_if_fail (loud != NULL); - memset(im,0,spec_len * sizeof(gint16)); + memset (im, 0, spec_len * sizeof (gint16)); /*if (spectrum->meta->channels == 2) { */ - re = g_malloc(spec_len * sizeof(gint16)); - for (i=0;i> 1; + re = g_malloc (spec_len * sizeof (gint16)); + for (i = 0; i < spec_len; i++) + re[i] = (samples[(i * 2)] + samples[(i * 2) + 1]) >> 1; /*} else */ /* re = samples; */ - gst_spectrum_window(re,spec_len); - gst_spectrum_fix_fft(re,im,spec_base,FALSE); - gst_spectrum_fix_loud(loud,re,im,spec_len,0); - if (re != samples) g_free(re); - g_free(im); - step = spec_len / (spectrum->width*2); - spect = (guchar *)g_malloc(spectrum->width); - for (i=0,pos=0;iwidth;i++,pos += step) { + gst_spectrum_window (re, spec_len); + gst_spectrum_fix_fft (re, im, spec_base, FALSE); + gst_spectrum_fix_loud (loud, re, im, spec_len, 0); + if (re != samples) + g_free (re); + g_free (im); + step = spec_len / (spectrum->width * 2); + spect = (guchar *) g_malloc (spectrum->width); + for (i = 0, pos = 0; i < spectrum->width; i++, pos += step) { if (loud[pos] > -60) spect[i] = (loud[pos] + 60) / 2; else @@ -186,32 +192,27 @@ gst_spectrum_chain (GstPad *pad, GstData *_data) /* if (spect[i] > 15); */ /* spect[i] = 15; */ } - g_free(loud); - gst_buffer_unref(buf); + g_free (loud); + gst_buffer_unref (buf); /* g_free(samples); */ - newbuf = gst_buffer_new(); - g_return_if_fail(newbuf != NULL); - GST_BUFFER_DATA(newbuf) = spect; - GST_BUFFER_SIZE(newbuf) = spectrum->width; + newbuf = gst_buffer_new (); + g_return_if_fail (newbuf != NULL); + GST_BUFFER_DATA (newbuf) = spect; + GST_BUFFER_SIZE (newbuf) = spectrum->width; - gst_pad_push(spectrum->srcpad,GST_DATA (newbuf)); + gst_pad_push (spectrum->srcpad, GST_DATA (newbuf)); } static gboolean -plugin_init (GstPlugin *plugin) +plugin_init (GstPlugin * plugin) { - return gst_element_register (plugin, "spectrum", GST_RANK_NONE, GST_TYPE_SPECTRUM); + return gst_element_register (plugin, "spectrum", GST_RANK_NONE, + GST_TYPE_SPECTRUM); } -GST_PLUGIN_DEFINE ( - GST_VERSION_MAJOR, - GST_VERSION_MINOR, - "spectrum", - "Run an FFT on the audio signal, output spectrum data", - plugin_init, - VERSION, - GST_LICENSE, - GST_PACKAGE, - GST_ORIGIN -) +GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, + GST_VERSION_MINOR, + "spectrum", + "Run an FFT on the audio signal, output spectrum data", + plugin_init, VERSION, GST_LICENSE, GST_PACKAGE, GST_ORIGIN) -- cgit v1.2.1