* Boston, MA 02111-1307, USA.
*/
+/*
+ * This file was (probably) generated from gstvideoflip.c,
+ * gstvideoflip.c,v 1.7 2003/11/08 02:48:59 dschleef Exp
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
/*#define DEBUG_ENABLED */
-#include <gstvideoflip.h>
-
-
-/* elementfactory information */
-static GstElementDetails videoflip_details = {
- "Video Filter Template",
- "Filter/Video",
- "LGPL",
- "Template for a video filter",
- VERSION,
- "David Schleef <ds@schleef.org>",
- "(C) 2003",
-};
+#include "gstvideoflip.h"
+#include <string.h>
/* GstVideoflip signals and args */
-enum {
+enum
+{
/* FILL ME */
LAST_SIGNAL
};
-enum {
+enum
+{
ARG_0,
- /* FILL ME */
+ ARG_METHOD
+ /* FILL ME */
};
-static void gst_videoflip_class_init (GstVideoflipClass *klass);
-static void gst_videoflip_init (GstVideoflip *videoflip);
+GST_DEBUG_CATEGORY_STATIC (gst_videoflip_debug);
+#define GST_CAT_DEFAULT gst_videoflip_debug
+
+static void gst_videoflip_base_init (gpointer g_class);
+static void gst_videoflip_class_init (gpointer g_class, gpointer class_data);
+static void gst_videoflip_init (GTypeInstance * instance, gpointer g_class);
-static void gst_videoflip_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
-static void gst_videoflip_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
+static void gst_videoflip_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_videoflip_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
-static void gst_videoflip_planar411(GstVideofilter *videofilter, void *dest, void *src);
-static void gst_videoflip_setup(GstVideofilter *videofilter);
+static void gst_videoflip_planar411 (GstVideofilter * videofilter, void *dest,
+ void *src);
+static void gst_videoflip_setup (GstVideofilter * videofilter);
-static GstVideoflipClass *this_class = NULL;
-static GstVideofilterClass *parent_class = NULL;
-static GstElementClass *element_class = NULL;
+#define GST_TYPE_VIDEOFLIP_METHOD (gst_videoflip_method_get_type())
+
+static GType
+gst_videoflip_method_get_type (void)
+{
+ static GType videoflip_method_type = 0;
+ static GEnumValue videoflip_methods[] = {
+ {GST_VIDEOFLIP_METHOD_IDENTITY, "Identity (no rotation)", "none"},
+ {GST_VIDEOFLIP_METHOD_90R, "Rotate clockwise 90 degrees", "clockwise"},
+ {GST_VIDEOFLIP_METHOD_180, "Rotate 180 degrees", "rotate-180"},
+ {GST_VIDEOFLIP_METHOD_90L, "Rotate counter-clockwise 90 degrees",
+ "counterclockwise"},
+ {GST_VIDEOFLIP_METHOD_HORIZ, "Flip horizontally", "horizontal-flip"},
+ {GST_VIDEOFLIP_METHOD_VERT, "Flip vertically", "vertical-flip"},
+ {GST_VIDEOFLIP_METHOD_TRANS,
+ "Flip across upper left/lower right diagonal", "upper-left-diagonal"},
+ {GST_VIDEOFLIP_METHOD_OTHER,
+ "Flip across upper right/lower left diagonal", "upper-right-diagonal"},
+ {0, NULL, NULL},
+ };
+
+ if (!videoflip_method_type) {
+ videoflip_method_type = g_enum_register_static ("GstVideoflipMethod",
+ videoflip_methods);
+ }
+ return videoflip_method_type;
+}
GType
gst_videoflip_get_type (void)
if (!videoflip_type) {
static const GTypeInfo videoflip_info = {
- sizeof(GstVideoflipClass), NULL,
+ sizeof (GstVideoflipClass),
+ gst_videoflip_base_init,
NULL,
- (GClassInitFunc)gst_videoflip_class_init,
+ gst_videoflip_class_init,
NULL,
NULL,
- sizeof(GstVideoflip),
+ sizeof (GstVideoflip),
0,
- (GInstanceInitFunc)gst_videoflip_init,
+ gst_videoflip_init,
};
- videoflip_type = g_type_register_static(GST_TYPE_VIDEOFILTER, "GstVideoflip", &videoflip_info, 0);
+
+ videoflip_type = g_type_register_static (GST_TYPE_VIDEOFILTER,
+ "GstVideoflip", &videoflip_info, 0);
}
return videoflip_type;
}
static GstVideofilterFormat gst_videoflip_formats[] = {
- { "I420", 12, gst_videoflip_planar411, },
+ /* planar */
+ {"YV12", 12, gst_videoflip_planar411,},
+ {"I420", 12, gst_videoflip_planar411,},
+ {"IYUV", 12, gst_videoflip_planar411,},
};
static void
-gst_videoflip_class_init (GstVideoflipClass *klass)
+gst_videoflip_base_init (gpointer g_class)
{
- GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
- GstVideofilterClass *gstvideofilter_class;
+ static GstElementDetails videoflip_details =
+ GST_ELEMENT_DETAILS ("Video Flipper",
+ "Filter/Effect/Video",
+ "Flips and rotates video",
+ "David Schleef <ds@schleef.org>");
+ GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+ GstVideofilterClass *videofilter_class = GST_VIDEOFILTER_CLASS (g_class);
int i;
- gobject_class = (GObjectClass*)klass;
- gstelement_class = (GstElementClass*)klass;
- gstvideofilter_class = (GstVideofilterClass *)klass;
-
-#if 0
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_METHOD,
- g_param_spec_enum("method","method","method",
- GST_TYPE_VIDEOFLIP_METHOD, GST_VIDEOFLIP_METHOD_90R,
- G_PARAM_READWRITE));
-#endif
-
- this_class = klass;
- parent_class = g_type_class_ref(GST_TYPE_VIDEOFILTER);
- element_class = g_type_class_ref(GST_TYPE_ELEMENT);
-
- gobject_class->set_property = gst_videoflip_set_property;
- gobject_class->get_property = gst_videoflip_get_property;
-
- gstvideofilter_class->setup = gst_videoflip_setup;
+ gst_element_class_set_details (element_class, &videoflip_details);
- for(i=0;i<G_N_ELEMENTS(gst_videoflip_formats);i++){
- gst_videofilter_class_add_format(parent_class, gst_videoflip_formats + i);
+ for (i = 0; i < G_N_ELEMENTS (gst_videoflip_formats); i++) {
+ gst_videofilter_class_add_format (videofilter_class,
+ gst_videoflip_formats + i);
}
-}
-
-static GstCaps *gst_videoflip_get_capslist(void)
-{
- GstVideofilterClass *klass;
-
- klass = g_type_class_ref(GST_TYPE_VIDEOFILTER);
- return gst_videofilter_class_get_capslist(klass);
+ gst_videofilter_class_add_pad_templates (GST_VIDEOFILTER_CLASS (g_class));
}
-static GstPadTemplate *
-gst_videoflip_src_template_factory(void)
+static void
+gst_videoflip_class_init (gpointer g_class, gpointer class_data)
{
- static GstPadTemplate *templ = NULL;
-
- if(!templ){
- GstCaps *caps = GST_CAPS_NEW("src","video/raw",
- "width", GST_PROPS_INT_RANGE (0, G_MAXINT),
- "height", GST_PROPS_INT_RANGE (0, G_MAXINT));
-
- caps = gst_caps_intersect(caps, gst_videoflip_get_capslist ());
-
- templ = GST_PAD_TEMPLATE_NEW("src", GST_PAD_SRC, GST_PAD_ALWAYS, caps);
- }
- return templ;
-}
+ GObjectClass *gobject_class;
+ GstVideofilterClass *videofilter_class;
-static GstPadTemplate *
-gst_videoflip_sink_template_factory(void)
-{
- static GstPadTemplate *templ = NULL;
+ gobject_class = G_OBJECT_CLASS (g_class);
+ videofilter_class = GST_VIDEOFILTER_CLASS (g_class);
- if(!templ){
- GstCaps *caps = GST_CAPS_NEW("sink","video/raw",
- "width", GST_PROPS_INT_RANGE (0, G_MAXINT),
- "height", GST_PROPS_INT_RANGE (0, G_MAXINT));
+ gobject_class->set_property = gst_videoflip_set_property;
+ gobject_class->get_property = gst_videoflip_get_property;
- caps = gst_caps_intersect(caps, gst_videoflip_get_capslist ());
+ g_object_class_install_property (gobject_class, ARG_METHOD,
+ g_param_spec_enum ("method", "method", "method",
+ GST_TYPE_VIDEOFLIP_METHOD, GST_VIDEOFLIP_METHOD_90R,
+ G_PARAM_READWRITE));
- templ = GST_PAD_TEMPLATE_NEW("src", GST_PAD_SINK, GST_PAD_ALWAYS, caps);
- }
- return templ;
+ videofilter_class->setup = gst_videoflip_setup;
}
static void
-gst_videoflip_init (GstVideoflip *videoflip)
+gst_videoflip_init (GTypeInstance * instance, gpointer g_class)
{
+ GstVideoflip *videoflip = GST_VIDEOFLIP (instance);
GstVideofilter *videofilter;
- GST_DEBUG("gst_videoflip_init");
-
- videofilter = GST_VIDEOFILTER(videoflip);
-
- videofilter->sinkpad = gst_pad_new_from_template (
- GST_PAD_TEMPLATE_GET (gst_videoflip_sink_template_factory),
- "sink");
+ GST_DEBUG_OBJECT (videoflip, "gst_videoflip_init");
- videofilter->srcpad = gst_pad_new_from_template (
- GST_PAD_TEMPLATE_GET (gst_videoflip_src_template_factory),
- "src");
+ videofilter = GST_VIDEOFILTER (videoflip);
- gst_videofilter_postinit(GST_VIDEOFILTER(videoflip));
+ /* do stuff */
}
static void
-gst_videoflip_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+gst_videoflip_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
{
- GstVideoflip *src;
+ GstVideoflip *videoflip;
+ GstVideofilter *videofilter;
- /* it's not null if we got it, but it might not be ours */
- g_return_if_fail(GST_IS_VIDEOFLIP(object));
- src = GST_VIDEOFLIP(object);
+ g_return_if_fail (GST_IS_VIDEOFLIP (object));
+ videoflip = GST_VIDEOFLIP (object);
+ videofilter = GST_VIDEOFILTER (object);
- GST_DEBUG("gst_videoflip_set_property");
+ GST_DEBUG_OBJECT (videoflip, "gst_videoflip_set_property");
switch (prop_id) {
-#if 0
case ARG_METHOD:
- src->method = g_value_get_enum (value);
+ videoflip->method = g_value_get_enum (value);
+ if (videofilter->inited) {
+ GST_DEBUG_OBJECT (videoflip, "setting up videoflip again");
+ gst_videofilter_setup (videofilter);
+ }
break;
-#endif
default:
break;
}
}
static void
-gst_videoflip_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+gst_videoflip_get_property (GObject * object, guint prop_id, GValue * value,
+ GParamSpec * pspec)
{
- GstVideoflip *src;
+ GstVideoflip *videoflip;
- /* it's not null if we got it, but it might not be ours */
- g_return_if_fail(GST_IS_VIDEOFLIP(object));
- src = GST_VIDEOFLIP(object);
+ g_return_if_fail (GST_IS_VIDEOFLIP (object));
+ videoflip = GST_VIDEOFLIP (object);
switch (prop_id) {
-#if 0
case ARG_METHOD:
- g_value_set_enum (value, src->method);
+ g_value_set_enum (value, videoflip->method);
break;
-#endif
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
-static gboolean plugin_init (GModule *module, GstPlugin *plugin)
+static gboolean
+plugin_init (GstPlugin * plugin)
{
- GstElementFactory *factory;
-
- if(!gst_library_load("gstvideofilter"))
- return FALSE;
-
- /* create an elementfactory for the videoflip element */
- factory = gst_element_factory_new("videoflip",GST_TYPE_VIDEOFLIP,
- &videoflip_details);
- g_return_val_if_fail(factory != NULL, FALSE);
+ GST_DEBUG_CATEGORY_INIT (gst_videoflip_debug, "videoflip", 0, "videoflip");
- gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (gst_videoflip_sink_template_factory));
- gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (gst_videoflip_src_template_factory));
+ return gst_element_register (plugin, "videoflip", GST_RANK_NONE,
+ GST_TYPE_VIDEOFLIP);
+}
- gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "videoflip",
+ "Flips and rotates video",
+ plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);
- return TRUE;
-}
+static void gst_videoflip_flip (GstVideoflip * videoflip,
+ unsigned char *dest, unsigned char *src, int sw, int sh, int dw, int dh);
-GstPluginDesc plugin_desc = {
- GST_VERSION_MAJOR,
- GST_VERSION_MINOR,
- "videoflip",
- plugin_init
-};
-static void gst_videoflip_setup(GstVideofilter *videofilter)
+static void
+gst_videoflip_setup (GstVideofilter * videofilter)
{
+ int from_width, from_height;
GstVideoflip *videoflip;
- g_return_if_fail(GST_IS_VIDEOFLIP(videofilter));
- videoflip = GST_VIDEOFLIP(videofilter);
+ videoflip = GST_VIDEOFLIP (videofilter);
+ GST_DEBUG_OBJECT (videoflip, "gst_videoflip_setup");
+
+ from_width = gst_videofilter_get_input_width (videofilter);
+ from_height = gst_videofilter_get_input_height (videofilter);
- /* if any setup needs to be done, do it here */
+ if (from_width == 0 || from_height == 0) {
+ return;
+ }
+
+ switch (videoflip->method) {
+ case GST_VIDEOFLIP_METHOD_90R:
+ case GST_VIDEOFLIP_METHOD_90L:
+ case GST_VIDEOFLIP_METHOD_TRANS:
+ case GST_VIDEOFLIP_METHOD_OTHER:
+ gst_videofilter_set_output_size (videofilter, from_height, from_width);
+ break;
+ case GST_VIDEOFLIP_METHOD_IDENTITY:
+ case GST_VIDEOFLIP_METHOD_180:
+ case GST_VIDEOFLIP_METHOD_HORIZ:
+ case GST_VIDEOFLIP_METHOD_VERT:
+ gst_videofilter_set_output_size (videofilter, from_width, from_height);
+ break;
+ default:
+ g_assert_not_reached ();
+ break;
+ }
+
+ GST_DEBUG_OBJECT (videoflip, "format=%p \"%s\" from %dx%d to %dx%d",
+ videofilter->format, videofilter->format->fourcc,
+ from_width, from_height, videofilter->to_width, videofilter->to_height);
+ if (videoflip->method == GST_VIDEOFLIP_METHOD_IDENTITY) {
+ GST_DEBUG_OBJECT (videoflip, "videoflip: using passthru");
+ videofilter->passthru = TRUE;
+ } else {
+ videofilter->passthru = FALSE;
+ }
}
-static void gst_videoflip_planar411(GstVideofilter *videofilter,
- void *dest, void *src)
+static void
+gst_videoflip_planar411 (GstVideofilter * videofilter, void *dest, void *src)
{
GstVideoflip *videoflip;
+ int sw;
+ int sh;
+ int dw;
+ int dh;
- g_return_if_fail(GST_IS_VIDEOFLIP(videofilter));
- videoflip = GST_VIDEOFLIP(videofilter);
+ g_return_if_fail (GST_IS_VIDEOFLIP (videofilter));
+ videoflip = GST_VIDEOFLIP (videofilter);
- /* do something interesting here */
+ sw = videofilter->from_width;
+ sh = videofilter->from_height;
+ dw = videofilter->to_width;
+ dh = videofilter->to_height;
+
+ GST_LOG_OBJECT (videoflip, "videoflip: scaling planar 4:1:1 %dx%d to %dx%d",
+ sw, sh, dw, dh);
+
+ gst_videoflip_flip (videoflip, dest, src, sw, sh, dw, dh);
+
+ src += sw * sh;
+ dest += dw * dh;
+
+ dh = dh >> 1;
+ dw = dw >> 1;
+ sh = sh >> 1;
+ sw = sw >> 1;
+
+ gst_videoflip_flip (videoflip, dest, src, sw, sh, dw, dh);
+
+ src += sw * sh;
+ dest += dw * dh;
+
+ gst_videoflip_flip (videoflip, dest, src, sw, sh, dw, dh);
}
+static void
+gst_videoflip_flip (GstVideoflip * videoflip, unsigned char *dest,
+ unsigned char *src, int sw, int sh, int dw, int dh)
+{
+ int x, y;
+
+ switch (videoflip->method) {
+ case GST_VIDEOFLIP_METHOD_90R:
+ for (y = 0; y < dh; y++) {
+ for (x = 0; x < dw; x++) {
+ dest[y * dw + x] = src[(sh - 1 - x) * sw + y];
+ }
+ }
+ break;
+ case GST_VIDEOFLIP_METHOD_90L:
+ for (y = 0; y < dh; y++) {
+ for (x = 0; x < dw; x++) {
+ dest[y * dw + x] = src[x * sw + (sw - 1 - y)];
+ }
+ }
+ break;
+ case GST_VIDEOFLIP_METHOD_180:
+ for (y = 0; y < dh; y++) {
+ for (x = 0; x < dw; x++) {
+ dest[y * dw + x] = src[(sh - 1 - y) * sw + (sw - 1 - x)];
+ }
+ }
+ break;
+ case GST_VIDEOFLIP_METHOD_HORIZ:
+ for (y = 0; y < dh; y++) {
+ for (x = 0; x < dw; x++) {
+ dest[y * dw + x] = src[y * sw + (sw - 1 - x)];
+ }
+ }
+ break;
+ case GST_VIDEOFLIP_METHOD_VERT:
+ for (y = 0; y < dh; y++) {
+ for (x = 0; x < dw; x++) {
+ dest[y * dw + x] = src[(sh - 1 - y) * sw + x];
+ }
+ }
+ break;
+ case GST_VIDEOFLIP_METHOD_TRANS:
+ for (y = 0; y < dh; y++) {
+ for (x = 0; x < dw; x++) {
+ dest[y * dw + x] = src[x * sw + y];
+ }
+ }
+ break;
+ case GST_VIDEOFLIP_METHOD_OTHER:
+ for (y = 0; y < dh; y++) {
+ for (x = 0; x < dw; x++) {
+ dest[y * dw + x] = src[(sh - 1 - x) * sw + (sw - 1 - y)];
+ }
+ }
+ break;
+ default:
+ /* FIXME */
+ break;
+ }
+}
projects / platform / upstream / gst-plugins-good.git / blobdiff