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author | Thomas Vander Stichele <thomas@apestaart.org> | 2004-03-14 22:34:33 +0000 |
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committer | Thomas Vander Stichele <thomas@apestaart.org> | 2004-03-14 22:34:33 +0000 |
commit | 7a778ee4b7ec09a1f5b2185c9cceee3910dfbdf2 (patch) | |
tree | f863b467dea9559a6ec9c48affbfae11f8104164 /gst/stereo | |
parent | a19db4bbdc4a15ea0d8f4d28e9a1302c9c3d1657 (diff) | |
download | gst-plugins-bad-7a778ee4b7ec09a1f5b2185c9cceee3910dfbdf2.tar.gz gst-plugins-bad-7a778ee4b7ec09a1f5b2185c9cceee3910dfbdf2.tar.bz2 gst-plugins-bad-7a778ee4b7ec09a1f5b2185c9cceee3910dfbdf2.zip |
gst-indent
Original commit message from CVS:
gst-indent
Diffstat (limited to 'gst/stereo')
-rw-r--r-- | gst/stereo/gststereo.c | 172 | ||||
-rw-r--r-- | gst/stereo/gststereo.h | 35 |
2 files changed, 104 insertions, 103 deletions
diff --git a/gst/stereo/gststereo.c b/gst/stereo/gststereo.c index f2e9a79d..947c3885 100644 --- a/gst/stereo/gststereo.c +++ b/gst/stereo/gststereo.c @@ -28,56 +28,61 @@ #include <gststereo.h> /* elementfactory information */ -static GstElementDetails stereo_details = GST_ELEMENT_DETAILS ( - "Stereo effect", - "Filter/Effect/Audio", - "Muck with the stereo signal to enhance its 'stereo-ness'", - "Erik Walthinsen <omega@cse.ogi.edu>" -); +static GstElementDetails stereo_details = GST_ELEMENT_DETAILS ("Stereo effect", + "Filter/Effect/Audio", + "Muck with the stereo signal to enhance its 'stereo-ness'", + "Erik Walthinsen <omega@cse.ogi.edu>"); /* Stereo signals and args */ -enum { +enum +{ /* FILL ME */ LAST_SIGNAL }; -enum { +enum +{ ARG_0, ARG_ACTIVE, ARG_STEREO }; -static void gst_stereo_base_init (gpointer g_class); -static void gst_stereo_class_init (GstStereoClass *klass); -static void gst_stereo_init (GstStereo *stereo); +static void gst_stereo_base_init (gpointer g_class); +static void gst_stereo_class_init (GstStereoClass * klass); +static void gst_stereo_init (GstStereo * stereo); -static void gst_stereo_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); -static void gst_stereo_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); +static void gst_stereo_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec); +static void gst_stereo_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec); -static void gst_stereo_chain (GstPad *pad, GstData *_data); +static void gst_stereo_chain (GstPad * pad, GstData * _data); static GstElementClass *parent_class = NULL; + /*static guint gst_stereo_signals[LAST_SIGNAL] = { 0 }; */ GType -gst_stereo_get_type(void) { +gst_stereo_get_type (void) +{ static GType stereo_type = 0; if (!stereo_type) { static const GTypeInfo stereo_info = { - sizeof(GstStereoClass), + sizeof (GstStereoClass), gst_stereo_base_init, NULL, - (GClassInitFunc)gst_stereo_class_init, + (GClassInitFunc) gst_stereo_class_init, NULL, NULL, - sizeof(GstStereo), + sizeof (GstStereo), 0, - (GInstanceInitFunc)gst_stereo_init, + (GInstanceInitFunc) gst_stereo_init, }; - stereo_type = g_type_register_static(GST_TYPE_ELEMENT, "GstStereo", &stereo_info, 0); + stereo_type = + g_type_register_static (GST_TYPE_ELEMENT, "GstStereo", &stereo_info, 0); } return stereo_type; } @@ -86,60 +91,57 @@ static void gst_stereo_base_init (gpointer g_class) { GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); + gst_element_class_set_details (element_class, &stereo_details); } static void -gst_stereo_class_init (GstStereoClass *klass) +gst_stereo_class_init (GstStereoClass * klass) { GObjectClass *gobject_class; GstElementClass *gstelement_class; - gobject_class = (GObjectClass*)klass; - gstelement_class = (GstElementClass*)klass; + gobject_class = (GObjectClass *) klass; + gstelement_class = (GstElementClass *) 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_ACTIVE, - g_param_spec_int("active","active","active", - G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); /* CHECKME */ - g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_STEREO, - g_param_spec_float("stereo","stereo","stereo", - 0.0,1.0,0.0,G_PARAM_READWRITE)); /* CHECKME */ + g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ACTIVE, g_param_spec_int ("active", "active", "active", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE)); /* CHECKME */ + g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_STEREO, g_param_spec_float ("stereo", "stereo", "stereo", 0.0, 1.0, 0.0, G_PARAM_READWRITE)); /* CHECKME */ gobject_class->set_property = gst_stereo_set_property; gobject_class->get_property = gst_stereo_get_property; } static void -gst_stereo_init (GstStereo *stereo) +gst_stereo_init (GstStereo * stereo) { - stereo->sinkpad = gst_pad_new("sink",GST_PAD_SINK); - gst_element_add_pad(GST_ELEMENT(stereo),stereo->sinkpad); - gst_pad_set_chain_function(stereo->sinkpad,gst_stereo_chain); - stereo->srcpad = gst_pad_new("src",GST_PAD_SRC); - gst_element_add_pad(GST_ELEMENT(stereo),stereo->srcpad); + stereo->sinkpad = gst_pad_new ("sink", GST_PAD_SINK); + gst_element_add_pad (GST_ELEMENT (stereo), stereo->sinkpad); + gst_pad_set_chain_function (stereo->sinkpad, gst_stereo_chain); + stereo->srcpad = gst_pad_new ("src", GST_PAD_SRC); + gst_element_add_pad (GST_ELEMENT (stereo), stereo->srcpad); stereo->active = FALSE; stereo->stereo = 2.5; } static void -gst_stereo_chain (GstPad *pad,GstData *_data) +gst_stereo_chain (GstPad * pad, GstData * _data) { GstBuffer *buf = GST_BUFFER (_data); GstStereo *stereo; gint16 *data; gint samples; gint i; - gdouble avg,ldiff,rdiff,tmp,mul; + gdouble avg, ldiff, rdiff, tmp, mul; - 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); - stereo = GST_STEREO(GST_OBJECT_PARENT (pad)); - g_return_if_fail(stereo != NULL); - g_return_if_fail(GST_IS_STEREO(stereo)); + stereo = GST_STEREO (GST_OBJECT_PARENT (pad)); + g_return_if_fail (stereo != NULL); + g_return_if_fail (GST_IS_STEREO (stereo)); /* FIXME */ /* if (buf->meta) */ @@ -148,42 +150,43 @@ gst_stereo_chain (GstPad *pad,GstData *_data) if (stereo->active) { /*if (stereo->meta.channels == 2 && stereo->meta.format == AFMT_S16_LE) { */ - data = (gint16 *)GST_BUFFER_DATA(buf); - samples = GST_BUFFER_SIZE(buf) / 2; - mul = stereo->stereo; - for (i = 0; i < samples / 2; i += 2) { - avg = (data[i] + data[i + 1]) / 2; - ldiff = data[i] - avg; - rdiff = data[i + 1] - avg; - - tmp = avg + ldiff * mul; - if (tmp < -32768) - tmp = -32768; - if (tmp > 32767) - tmp = 32767; - data[i] = tmp; - - tmp = avg + rdiff * mul; - if (tmp < -32768) - tmp = -32768; - if (tmp > 32767) - tmp = 32767; - data[i + 1] = tmp; - } + data = (gint16 *) GST_BUFFER_DATA (buf); + samples = GST_BUFFER_SIZE (buf) / 2; + mul = stereo->stereo; + for (i = 0; i < samples / 2; i += 2) { + avg = (data[i] + data[i + 1]) / 2; + ldiff = data[i] - avg; + rdiff = data[i + 1] - avg; + + tmp = avg + ldiff * mul; + if (tmp < -32768) + tmp = -32768; + if (tmp > 32767) + tmp = 32767; + data[i] = tmp; + + tmp = avg + rdiff * mul; + if (tmp < -32768) + tmp = -32768; + if (tmp > 32767) + tmp = 32767; + data[i + 1] = tmp; + } /*} */ } - gst_pad_push(stereo->srcpad,GST_DATA (buf)); + gst_pad_push (stereo->srcpad, GST_DATA (buf)); } static void -gst_stereo_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) +gst_stereo_set_property (GObject * object, guint prop_id, const GValue * value, + GParamSpec * pspec) { GstStereo *stereo; /* it's not null if we got it, but it might not be ours */ - g_return_if_fail(GST_IS_STEREO(object)); - stereo = GST_STEREO(object); + g_return_if_fail (GST_IS_STEREO (object)); + stereo = GST_STEREO (object); switch (prop_id) { case ARG_ACTIVE: @@ -198,13 +201,14 @@ gst_stereo_set_property (GObject *object, guint prop_id, const GValue *value, GP } static void -gst_stereo_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) +gst_stereo_get_property (GObject * object, guint prop_id, GValue * value, + GParamSpec * pspec) { GstStereo *stereo; /* it's not null if we got it, but it might not be ours */ - g_return_if_fail(GST_IS_STEREO(object)); - stereo = GST_STEREO(object); + g_return_if_fail (GST_IS_STEREO (object)); + stereo = GST_STEREO (object); switch (prop_id) { case ARG_ACTIVE: @@ -220,20 +224,14 @@ gst_stereo_get_property (GObject *object, guint prop_id, GValue *value, GParamSp } static gboolean -plugin_init (GstPlugin *plugin) +plugin_init (GstPlugin * plugin) { - return gst_element_register (plugin, "stereo", GST_RANK_NONE, GST_TYPE_STEREO); + return gst_element_register (plugin, "stereo", GST_RANK_NONE, + GST_TYPE_STEREO); } -GST_PLUGIN_DEFINE ( - GST_VERSION_MAJOR, - GST_VERSION_MINOR, - "stereo", - "Muck with the stereo signal, enhance it's 'stereo-ness'", - plugin_init, - VERSION, - GST_LICENSE, - GST_PACKAGE, - GST_ORIGIN -) - +GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, + GST_VERSION_MINOR, + "stereo", + "Muck with the stereo signal, enhance it's 'stereo-ness'", + plugin_init, VERSION, GST_LICENSE, GST_PACKAGE, GST_ORIGIN) diff --git a/gst/stereo/gststereo.h b/gst/stereo/gststereo.h index 8b78f25e..b665432b 100644 --- a/gst/stereo/gststereo.h +++ b/gst/stereo/gststereo.h @@ -26,8 +26,9 @@ #ifdef __cplusplus -extern "C" { -#endif /* __cplusplus */ +extern "C" +{ +#endif /* __cplusplus */ #define GST_TYPE_STEREO \ @@ -41,27 +42,29 @@ extern "C" { #define GST_IS_STEREO_CLASS(obj) \ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_STEREO)) -typedef struct _GstStereo GstStereo; -typedef struct _GstStereoClass GstStereoClass; + typedef struct _GstStereo GstStereo; + typedef struct _GstStereoClass GstStereoClass; -struct _GstStereo { - GstElement element; + struct _GstStereo + { + GstElement element; - GstPad *sinkpad,*srcpad; + GstPad *sinkpad, *srcpad; - gint8 active; - gfloat stereo; -}; + gint8 active; + gfloat stereo; + }; -struct _GstStereoClass { - GstElementClass parent_class; -}; + struct _GstStereoClass + { + GstElementClass parent_class; + }; -GType gst_stereo_get_type(void); + GType gst_stereo_get_type (void); #ifdef __cplusplus } -#endif /* __cplusplus */ +#endif /* __cplusplus */ -#endif /* __GST_STEREO_H__ */ +#endif /* __GST_STEREO_H__ */ |