diff options
Diffstat (limited to 'ext/pango/gsttimeoverlay.c')
| -rw-r--r-- | ext/pango/gsttimeoverlay.c | 170 |
1 files changed, 86 insertions, 84 deletions
diff --git a/ext/pango/gsttimeoverlay.c b/ext/pango/gsttimeoverlay.c index 9a3b292e..9ce5c897 100644 --- a/ext/pango/gsttimeoverlay.c +++ b/ext/pango/gsttimeoverlay.c @@ -45,25 +45,30 @@ /* GstTimeoverlay signals and args */ -enum { +enum +{ /* FILL ME */ LAST_SIGNAL }; -enum { +enum +{ ARG_0, /* FILL ME */ }; -static void gst_timeoverlay_base_init (gpointer g_class); -static void gst_timeoverlay_class_init (gpointer g_class, gpointer class_data); -static void gst_timeoverlay_init (GTypeInstance *instance, gpointer g_class); +static void gst_timeoverlay_base_init (gpointer g_class); +static void gst_timeoverlay_class_init (gpointer g_class, gpointer class_data); +static void gst_timeoverlay_init (GTypeInstance * instance, gpointer g_class); -static void gst_timeoverlay_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); -static void gst_timeoverlay_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); +static void gst_timeoverlay_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec); +static void gst_timeoverlay_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec); -static void gst_timeoverlay_planar411(GstVideofilter *videofilter, void *dest, void *src); -static void gst_timeoverlay_setup(GstVideofilter *videofilter); +static void gst_timeoverlay_planar411 (GstVideofilter * videofilter, void *dest, + void *src); +static void gst_timeoverlay_setup (GstVideofilter * videofilter); GType gst_timeoverlay_get_type (void) @@ -72,44 +77,43 @@ gst_timeoverlay_get_type (void) if (!timeoverlay_type) { static const GTypeInfo timeoverlay_info = { - sizeof(GstTimeoverlayClass), + sizeof (GstTimeoverlayClass), gst_timeoverlay_base_init, NULL, gst_timeoverlay_class_init, NULL, NULL, - sizeof(GstTimeoverlay), + sizeof (GstTimeoverlay), 0, gst_timeoverlay_init, }; - timeoverlay_type = g_type_register_static(GST_TYPE_VIDEOFILTER, - "GstTimeoverlay", &timeoverlay_info, 0); + timeoverlay_type = g_type_register_static (GST_TYPE_VIDEOFILTER, + "GstTimeoverlay", &timeoverlay_info, 0); } return timeoverlay_type; } static GstVideofilterFormat gst_timeoverlay_formats[] = { - { "I420", 12, gst_timeoverlay_planar411, }, + {"I420", 12, gst_timeoverlay_planar411,}, }; - + static void gst_timeoverlay_base_init (gpointer g_class) { - static GstElementDetails timeoverlay_details = GST_ELEMENT_DETAILS ( - "Time Overlay", - "Filter/Editor/Video", - "Overlays the time on a video stream", - "David Schleef <ds@schleef.org>" - ); + static GstElementDetails timeoverlay_details = + GST_ELEMENT_DETAILS ("Time Overlay", + "Filter/Editor/Video", + "Overlays the time on a video stream", + "David Schleef <ds@schleef.org>"); GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); GstVideofilterClass *videofilter_class = GST_VIDEOFILTER_CLASS (g_class); int i; - + gst_element_class_set_details (element_class, &timeoverlay_details); - for(i=0;i<G_N_ELEMENTS(gst_timeoverlay_formats);i++){ - gst_videofilter_class_add_format(videofilter_class, + for (i = 0; i < G_N_ELEMENTS (gst_timeoverlay_formats); i++) { + gst_videofilter_class_add_format (videofilter_class, gst_timeoverlay_formats + i); } @@ -126,10 +130,10 @@ gst_timeoverlay_class_init (gpointer g_class, gpointer class_data) videofilter_class = GST_VIDEOFILTER_CLASS (g_class); #if 0 - g_object_class_install_property(gobject_class, ARG_METHOD, - g_param_spec_enum("method","method","method", - GST_TYPE_TIMEOVERLAY_METHOD, GST_TIMEOVERLAY_METHOD_1, - G_PARAM_READWRITE)); + g_object_class_install_property (gobject_class, ARG_METHOD, + g_param_spec_enum ("method", "method", "method", + GST_TYPE_TIMEOVERLAY_METHOD, GST_TIMEOVERLAY_METHOD_1, + G_PARAM_READWRITE)); #endif gobject_class->set_property = gst_timeoverlay_set_property; @@ -139,28 +143,29 @@ gst_timeoverlay_class_init (gpointer g_class, gpointer class_data) } static void -gst_timeoverlay_init (GTypeInstance *instance, gpointer g_class) +gst_timeoverlay_init (GTypeInstance * instance, gpointer g_class) { GstTimeoverlay *timeoverlay = GST_TIMEOVERLAY (instance); GstVideofilter *videofilter; - GST_DEBUG("gst_timeoverlay_init"); + GST_DEBUG ("gst_timeoverlay_init"); - videofilter = GST_VIDEOFILTER(timeoverlay); + videofilter = GST_VIDEOFILTER (timeoverlay); /* do stuff */ } static void -gst_timeoverlay_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) +gst_timeoverlay_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec) { GstTimeoverlay *src; /* it's not null if we got it, but it might not be ours */ - g_return_if_fail(GST_IS_TIMEOVERLAY(object)); - src = GST_TIMEOVERLAY(object); + g_return_if_fail (GST_IS_TIMEOVERLAY (object)); + src = GST_TIMEOVERLAY (object); - GST_DEBUG("gst_timeoverlay_set_property"); + GST_DEBUG ("gst_timeoverlay_set_property"); switch (prop_id) { #if 0 case ARG_METHOD: @@ -173,13 +178,14 @@ gst_timeoverlay_set_property (GObject *object, guint prop_id, const GValue *valu } static void -gst_timeoverlay_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) +gst_timeoverlay_get_property (GObject * object, guint prop_id, GValue * value, + GParamSpec * pspec) { GstTimeoverlay *src; /* it's not null if we got it, but it might not be ours */ - g_return_if_fail(GST_IS_TIMEOVERLAY(object)); - src = GST_TIMEOVERLAY(object); + g_return_if_fail (GST_IS_TIMEOVERLAY (object)); + src = GST_TIMEOVERLAY (object); switch (prop_id) { #if 0 @@ -193,35 +199,29 @@ gst_timeoverlay_get_property (GObject *object, guint prop_id, GValue *value, GPa } } -static gboolean plugin_init (GstPlugin *plugin) +static gboolean +plugin_init (GstPlugin * plugin) { - if(!gst_library_load("gstvideofilter")) + if (!gst_library_load ("gstvideofilter")) return FALSE; return gst_element_register (plugin, "timeoverlay", GST_RANK_NONE, GST_TYPE_TIMEOVERLAY); } -GST_PLUGIN_DEFINE ( - GST_VERSION_MAJOR, - GST_VERSION_MINOR, - "timeoverlay", - "Time overlay", - plugin_init, - VERSION, - GST_LICENSE, - GST_PACKAGE, - GST_ORIGIN -) - -static void gst_timeoverlay_setup(GstVideofilter *videofilter) +GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, + GST_VERSION_MINOR, + "timeoverlay", + "Time overlay", plugin_init, VERSION, GST_LICENSE, GST_PACKAGE, GST_ORIGIN) + + static void gst_timeoverlay_setup (GstVideofilter * videofilter) { GstTimeoverlay *timeoverlay; PangoFontDescription *font_description; PangoContext *context; - g_return_if_fail(GST_IS_TIMEOVERLAY(videofilter)); - timeoverlay = GST_TIMEOVERLAY(videofilter); + g_return_if_fail (GST_IS_TIMEOVERLAY (videofilter)); + timeoverlay = GST_TIMEOVERLAY (videofilter); /* if any setup needs to be done, do it here */ @@ -246,7 +246,8 @@ static void gst_timeoverlay_setup(GstVideofilter *videofilter) } -static char *gst_timeoverlay_print_smpte_time(guint64 time) +static char * +gst_timeoverlay_print_smpte_time (guint64 time) { int hours; int minutes; @@ -254,21 +255,21 @@ static char *gst_timeoverlay_print_smpte_time(guint64 time) int ms; double x; - x = rint((time + 500000)*1e-6); + x = rint ((time + 500000) * 1e-6); - hours = floor(x/(60*60*1000)); - x -= hours*60*60*1000; - minutes = floor(x/(60*1000)); - x -= minutes*60*1000; - seconds = floor(x/(1000)); - x -= seconds*1000; - ms = rint(x); + hours = floor (x / (60 * 60 * 1000)); + x -= hours * 60 * 60 * 1000; + minutes = floor (x / (60 * 1000)); + x -= minutes * 60 * 1000; + seconds = floor (x / (1000)); + x -= seconds * 1000; + ms = rint (x); - return g_strdup_printf("%02d:%02d:%02d.%03d",hours,minutes,seconds,ms); + return g_strdup_printf ("%02d:%02d:%02d.%03d", hours, minutes, seconds, ms); } -static void gst_timeoverlay_planar411(GstVideofilter *videofilter, - void *dest, void *src) +static void +gst_timeoverlay_planar411 (GstVideofilter * videofilter, void *dest, void *src) { GstTimeoverlay *timeoverlay; int width; @@ -280,19 +281,21 @@ static void gst_timeoverlay_planar411(GstVideofilter *videofilter, char *string; int i; - g_return_if_fail(GST_IS_TIMEOVERLAY(videofilter)); - timeoverlay = GST_TIMEOVERLAY(videofilter); + g_return_if_fail (GST_IS_TIMEOVERLAY (videofilter)); + timeoverlay = GST_TIMEOVERLAY (videofilter); - width = gst_videofilter_get_input_width(videofilter); - height = gst_videofilter_get_input_height(videofilter); + width = gst_videofilter_get_input_width (videofilter); + height = gst_videofilter_get_input_height (videofilter); - width = gst_videofilter_get_input_width(videofilter); - height = gst_videofilter_get_input_height(videofilter); + width = gst_videofilter_get_input_width (videofilter); + height = gst_videofilter_get_input_height (videofilter); layout = pango_layout_new (timeoverlay->context); - string = gst_timeoverlay_print_smpte_time(GST_BUFFER_TIMESTAMP(videofilter->in_buf)); - pango_layout_set_text (layout, string, strlen(string)); - g_free(string); + string = + gst_timeoverlay_print_smpte_time (GST_BUFFER_TIMESTAMP (videofilter-> + in_buf)); + pango_layout_set_text (layout, string, strlen (string)); + g_free (string); pango_layout_set_alignment (layout, PANGO_ALIGN_LEFT); pango_layout_set_width (layout, -1); @@ -303,15 +306,15 @@ static void gst_timeoverlay_planar411(GstVideofilter *videofilter, //hheight = 20; - memcpy(dest, src, videofilter->from_buf_size); + memcpy (dest, src, videofilter->from_buf_size); - for(i=0;i<b_height;i++){ - memset(dest + i*width, 0, b_width); + for (i = 0; i < b_height; i++) { + memset (dest + i * width, 0, b_width); } - for(i=0;i<b_height/2;i++){ - memset(dest + width*height + i*(width/2), 128, b_width/2); - memset(dest + width*height + (width/2)*(height/2) + i*(width/2), 128, - b_width/2); + for (i = 0; i < b_height / 2; i++) { + memset (dest + width * height + i * (width / 2), 128, b_width / 2); + memset (dest + width * height + (width / 2) * (height / 2) + + i * (width / 2), 128, b_width / 2); } bitmap.rows = b_height; bitmap.width = b_width; @@ -322,4 +325,3 @@ static void gst_timeoverlay_planar411(GstVideofilter *videofilter, pango_ft2_render_layout (&bitmap, layout, 0, 0); } - |