static gboolean gst_gcs_sink_event(GstPad *pad, GstEvent * event)
{
GstGcs *gcs = GST_GCS (gst_pad_get_parent( pad ));
gboolean ret = FALSE, facefound;
double x,y,w,h;
switch (GST_EVENT_TYPE(event)) {
case GST_EVENT_CUSTOM_DOWNSTREAM:
if (gst_event_has_name(event, "facelocation")) {
const GstStructure* str = gst_event_get_structure(event);
gst_structure_get_double(str, "x", &x); // check bool return
gst_structure_get_double(str, "y", &y); // check bool return
gst_structure_get_double(str, "width", &w); // check bool return
gst_structure_get_double(str, "height", &h);// check bool return
gst_structure_get_boolean(str,"facefound", &facefound);// check bool return
gcs->facepos.x = (int)x;
gcs->facepos.y = (int)y;
gcs->facepos.width = (int)w;
gcs->facepos.height = (int)h;
gcs->facefound = facefound;
gst_event_unref(event);
ret = TRUE;
}
break;
case GST_EVENT_EOS:
GST_INFO("Received EOS");
default:
ret = gst_pad_event_default(pad, event);
}
gst_object_unref(gcs);
return ret;
}
static void
gst_sdlvideosink_navigation_send_event (GstNavigation * navigation,
GstStructure * structure)
{
GstSDLVideoSink *sdlvideosink = GST_SDLVIDEOSINK (navigation);
GstEvent *event;
GstVideoRectangle dst = { 0, };
GstVideoRectangle src = { 0, };
GstVideoRectangle result;
double x, y, old_x, old_y;
GstPad *pad = NULL;
src.w = GST_VIDEO_SINK_WIDTH (sdlvideosink);
src.h = GST_VIDEO_SINK_HEIGHT (sdlvideosink);
dst.w = sdlvideosink->width;
dst.h = sdlvideosink->height;
gst_video_sink_center_rect (src, dst, &result, FALSE);
event = gst_event_new_navigation (structure);
/* Our coordinates can be wrong here if we centered the video */
/* Converting pointer coordinates to the non scaled geometry */
if (gst_structure_get_double (structure, "pointer_x", &old_x)) {
x = old_x;
if (x >= result.x && x <= (result.x + result.w)) {
x -= result.x;
x *= sdlvideosink->width;
x /= result.w;
} else {
x = 0;
}
GST_DEBUG_OBJECT (sdlvideosink, "translated navigation event x "
"coordinate from %f to %f", old_x, x);
gst_structure_set (structure, "pointer_x", G_TYPE_DOUBLE, x, NULL);
}
if (gst_structure_get_double (structure, "pointer_y", &old_y)) {
y = old_y;
if (y >= result.y && y <= (result.y + result.h)) {
y -= result.y;
y *= sdlvideosink->height;
y /= result.h;
} else {
y = 0;
}
GST_DEBUG_OBJECT (sdlvideosink, "translated navigation event y "
"coordinate from %f to %f", old_y, y);
gst_structure_set (structure, "pointer_y", G_TYPE_DOUBLE, y, NULL);
}
pad = gst_pad_get_peer (GST_VIDEO_SINK_PAD (sdlvideosink));
if (GST_IS_PAD (pad) && GST_IS_EVENT (event)) {
gst_pad_send_event (pad, event);
gst_object_unref (pad);
}
}
static gboolean
gst_ffmpegscale_src_event (GstBaseTransform * trans, GstEvent * event)
{
GstFFMpegScale *scale;
GstStructure *structure;
gdouble pointer;
gboolean res;
scale = GST_FFMPEGSCALE (trans);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_NAVIGATION:
event = gst_event_make_writable (event);
structure = gst_event_writable_structure (event);
if (gst_structure_get_double (structure, "pointer_x", &pointer)) {
gst_structure_set (structure,
"pointer_x", G_TYPE_DOUBLE,
pointer * scale->in_info.width / scale->out_info.width, NULL);
}
if (gst_structure_get_double (structure, "pointer_y", &pointer)) {
gst_structure_set (structure,
"pointer_y", G_TYPE_DOUBLE,
pointer * scale->in_info.height / scale->out_info.height, NULL);
}
break;
default:
break;
}
res = GST_BASE_TRANSFORM_CLASS (parent_class)->src_event (trans, event);
return res;
}
static gboolean
gst_video_scale_src_event (GstBaseTransform * trans, GstEvent * event)
{
GstVideoScale *videoscale = GST_VIDEO_SCALE (trans);
gboolean ret;
gdouble a;
GstStructure *structure;
GST_DEBUG_OBJECT (videoscale, "handling %s event",
GST_EVENT_TYPE_NAME (event));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_NAVIGATION:
event =
GST_EVENT (gst_mini_object_make_writable (GST_MINI_OBJECT (event)));
structure = (GstStructure *) gst_event_get_structure (event);
if (gst_structure_get_double (structure, "pointer_x", &a)) {
gst_structure_set (structure, "pointer_x", G_TYPE_DOUBLE,
a * videoscale->from_width / videoscale->to_width, NULL);
}
if (gst_structure_get_double (structure, "pointer_y", &a)) {
gst_structure_set (structure, "pointer_y", G_TYPE_DOUBLE,
a * videoscale->from_height / videoscale->to_height, NULL);
}
break;
default:
break;
}
ret = GST_BASE_TRANSFORM_CLASS (parent_class)->src_event (trans, event);
return ret;
}
static gboolean gst_imx_blitter_video_transform_src_event(GstBaseTransform *transform, GstEvent *event)
{
gdouble a;
GstStructure *structure;
GstImxBlitterVideoTransform *blitter_video_transform = GST_IMX_BLITTER_VIDEO_TRANSFORM(transform);
GST_DEBUG_OBJECT(transform, "handling %s event", GST_EVENT_TYPE_NAME(event));
switch (GST_EVENT_TYPE(event))
{
case GST_EVENT_NAVIGATION:
{
/* scale pointer_x/y values in the event if in- and output have different width/height */
gint in_w = GST_VIDEO_INFO_WIDTH(&(blitter_video_transform->input_video_info));
gint in_h = GST_VIDEO_INFO_HEIGHT(&(blitter_video_transform->input_video_info));
gint out_w = GST_VIDEO_INFO_WIDTH(&(blitter_video_transform->output_video_info));
gint out_h = GST_VIDEO_INFO_HEIGHT(&(blitter_video_transform->output_video_info));
if ((in_w != out_w) || (in_h != out_h))
{
event = GST_EVENT(gst_mini_object_make_writable(GST_MINI_OBJECT(event)));
structure = (GstStructure *)gst_event_get_structure(event);
if (gst_structure_get_double(structure, "pointer_x", &a))
{
gst_structure_set(
structure,
"pointer_x",
G_TYPE_DOUBLE,
a * in_w / out_w,
NULL
);
}
if (gst_structure_get_double(structure, "pointer_y", &a))
{
gst_structure_set(
structure,
"pointer_y",
G_TYPE_DOUBLE,
a * in_h / out_h,
NULL
);
}
}
break;
}
default:
break;
}
return GST_BASE_TRANSFORM_CLASS(gst_imx_blitter_video_transform_parent_class)->src_event(transform, event);
}
static void
gst_vdp_sink_navigation_send_event (GstNavigation * navigation,
GstStructure * structure)
{
VdpSink *vdp_sink = GST_VDP_SINK (navigation);
GstEvent *event;
gint x_offset, y_offset;
gdouble x, y;
GstPad *pad = NULL;
event = gst_event_new_navigation (structure);
/* We are not converting the pointer coordinates as there's no hardware
scaling done here. The only possible scaling is done by videoscale and
videoscale will have to catch those events and tranform the coordinates
to match the applied scaling. So here we just add the offset if the image
is centered in the window. */
/* We take the flow_lock while we look at the window */
g_mutex_lock (vdp_sink->flow_lock);
if (!vdp_sink->window) {
g_mutex_unlock (vdp_sink->flow_lock);
return;
}
x_offset = vdp_sink->window->width - GST_VIDEO_SINK_WIDTH (vdp_sink);
y_offset = vdp_sink->window->height - GST_VIDEO_SINK_HEIGHT (vdp_sink);
g_mutex_unlock (vdp_sink->flow_lock);
if (x_offset > 0 && gst_structure_get_double (structure, "pointer_x", &x)) {
x -= x_offset / 2;
gst_structure_set (structure, "pointer_x", G_TYPE_DOUBLE, x, NULL);
}
if (y_offset > 0 && gst_structure_get_double (structure, "pointer_y", &y)) {
y -= y_offset / 2;
gst_structure_set (structure, "pointer_y", G_TYPE_DOUBLE, y, NULL);
}
pad = gst_pad_get_peer (GST_VIDEO_SINK_PAD (vdp_sink));
if (GST_IS_PAD (pad) && GST_IS_EVENT (event)) {
gst_pad_send_event (pad, event);
gst_object_unref (pad);
}
}
static gboolean
gst_video_crop_src_event (GstBaseTransform * trans, GstEvent * event)
{
GstEvent *new_event;
GstStructure *new_structure;
const GstStructure *structure;
const gchar *event_name;
double pointer_x;
double pointer_y;
GstVideoCrop *vcrop = GST_VIDEO_CROP (trans);
new_event = NULL;
GST_OBJECT_LOCK (vcrop);
if (GST_EVENT_TYPE (event) == GST_EVENT_NAVIGATION &&
(vcrop->crop_left != 0 || vcrop->crop_top != 0)) {
structure = gst_event_get_structure (event);
event_name = gst_structure_get_string (structure, "event");
if (event_name &&
(strcmp (event_name, "mouse-move") == 0 ||
strcmp (event_name, "mouse-button-press") == 0 ||
strcmp (event_name, "mouse-button-release") == 0)) {
if (gst_structure_get_double (structure, "pointer_x", &pointer_x) &&
gst_structure_get_double (structure, "pointer_y", &pointer_y)) {
new_structure = gst_structure_copy (structure);
gst_structure_set (new_structure,
"pointer_x", G_TYPE_DOUBLE, (double) (pointer_x + vcrop->crop_left),
"pointer_y", G_TYPE_DOUBLE, (double) (pointer_y + vcrop->crop_top),
NULL);
new_event = gst_event_new_navigation (new_structure);
gst_event_unref (event);
} else {
GST_WARNING_OBJECT (vcrop, "Failed to read navigation event");
}
}
}
GST_OBJECT_UNLOCK (vcrop);
return GST_BASE_TRANSFORM_CLASS (parent_class)->src_event (trans,
(new_event ? new_event : event));
}
/**
* gst_navigation_event_parse_mouse_move_event:
* @event: A #GstEvent to inspect.
* @x: Pointer to a gdouble to receive the x coordinate of the mouse movement.
* @y: Pointer to a gdouble to receive the y coordinate of the mouse movement.
*
* Inspect a #GstNavigation mouse movement event and extract the coordinates
* of the event.
*
* Returns: TRUE if both coordinates could be extracted, otherwise FALSE.
*
* Since: 0.10.23
*/
gboolean
gst_navigation_event_parse_mouse_move_event (GstEvent * event, gdouble * x,
gdouble * y)
{
const GstStructure *s;
gboolean ret = TRUE;
g_return_val_if_fail (GST_NAVIGATION_EVENT_HAS_TYPE (event, MOUSE_MOVE),
FALSE);
s = gst_event_get_structure (event);
if (x)
ret &= gst_structure_get_double (s, "pointer_x", x);
if (y)
ret &= gst_structure_get_double (s, "pointer_y", y);
WARN_IF_FAIL (ret, "Couldn't extract positions from mouse move event");
return ret;
}
EXPORT_C
#endif
gboolean
gst_navigation_event_parse_mouse_move_event (GstEvent * event, gdouble * x,
gdouble * y)
{
const GstStructure *s;
g_return_val_if_fail (GST_NAVIGATION_EVENT_HAS_TYPE (event, MOUSE_MOVE),
FALSE);
s = gst_event_get_structure (event);
if (x)
g_return_val_if_fail (gst_structure_get_double (s, "pointer_x", x), FALSE);
if (y)
g_return_val_if_fail (gst_structure_get_double (s, "pointer_y", y), FALSE);
return TRUE;
}
static void
gst_glimage_sink_navigation_send_event (GstNavigation * navigation, GstStructure
* structure)
{
GstGLImageSink *sink = GST_GLIMAGE_SINK (navigation);
GstEvent *event = NULL;
GstPad *pad = NULL;
GstGLWindow *window = gst_gl_context_get_window (sink->context);
guint width, height;
gdouble x, y, xscale, yscale;
g_return_if_fail (GST_GL_IS_WINDOW (window));
width = GST_VIDEO_SINK_WIDTH (sink);
height = GST_VIDEO_SINK_HEIGHT (sink);
gst_gl_window_get_surface_dimensions (window, &width, &height);
event = gst_event_new_navigation (structure);
pad = gst_pad_get_peer (GST_VIDEO_SINK_PAD (sink));
/* Converting pointer coordinates to the non scaled geometry */
if (width != GST_VIDEO_SINK_WIDTH (sink) &&
width != 0 && gst_structure_get_double (structure, "pointer_x", &x)) {
xscale = (gdouble) GST_VIDEO_SINK_WIDTH (sink) / width;
gst_structure_set (structure, "pointer_x", G_TYPE_DOUBLE,
(gdouble) x * xscale, NULL);
}
if (height != GST_VIDEO_SINK_HEIGHT (sink) &&
height != 0 && gst_structure_get_double (structure, "pointer_y", &y)) {
yscale = (gdouble) GST_VIDEO_SINK_HEIGHT (sink) / height;
gst_structure_set (structure, "pointer_y", G_TYPE_DOUBLE,
(gdouble) y * yscale, NULL);
}
if (GST_IS_PAD (pad) && GST_IS_EVENT (event))
gst_pad_send_event (pad, event);
gst_object_unref (pad);
gst_object_unref (window);
}
static void
gst_v4l2sink_navigation_send_event (GstNavigation * navigation,
GstStructure * structure)
{
GstV4l2Sink *v4l2sink = GST_V4L2SINK (navigation);
GstV4l2Xv *xv = v4l2sink->v4l2object->xv;
GstPad *peer;
if (!xv)
return;
if ((peer = gst_pad_get_peer (GST_VIDEO_SINK_PAD (v4l2sink)))) {
GstVideoRectangle rect;
gdouble x, y, xscale = 1.0, yscale = 1.0;
gst_v4l2_video_overlay_get_render_rect (v4l2sink->v4l2object, &rect);
/* We calculate scaling using the original video frames geometry to
* include pixel aspect ratio scaling.
*/
xscale = (gdouble) v4l2sink->video_width / rect.w;
yscale = (gdouble) v4l2sink->video_height / rect.h;
/* Converting pointer coordinates to the non scaled geometry */
if (gst_structure_get_double (structure, "pointer_x", &x)) {
x = MIN (x, rect.x + rect.w);
x = MAX (x - rect.x, 0);
gst_structure_set (structure, "pointer_x", G_TYPE_DOUBLE,
(gdouble) x * xscale, NULL);
}
if (gst_structure_get_double (structure, "pointer_y", &y)) {
y = MIN (y, rect.y + rect.h);
y = MAX (y - rect.y, 0);
gst_structure_set (structure, "pointer_y", G_TYPE_DOUBLE,
(gdouble) y * yscale, NULL);
}
gst_pad_send_event (peer, gst_event_new_navigation (structure));
gst_object_unref (peer);
}
}
static gboolean
gst_ffmpegscale_handle_src_event(GstPad* pad, GstEvent* event) {
GstFFMpegScale* scale;
GstStructure* structure;
gdouble pointer;
gboolean res;
scale = GST_FFMPEGSCALE(gst_pad_get_parent(pad));
switch (GST_EVENT_TYPE(event)) {
case GST_EVENT_NAVIGATION:
event =
GST_EVENT(gst_mini_object_make_writable(GST_MINI_OBJECT(event)));
structure = (GstStructure*) gst_event_get_structure(event);
if (gst_structure_get_double(structure, "pointer_x", &pointer)) {
gst_structure_set(structure,
"pointer_x", G_TYPE_DOUBLE,
pointer * scale->in_width / scale->out_width, NULL);
}
if (gst_structure_get_double(structure, "pointer_y", &pointer)) {
gst_structure_set(structure,
"pointer_y", G_TYPE_DOUBLE,
pointer * scale->in_height / scale->out_height, NULL);
}
break;
default:
break;
}
res = gst_pad_event_default(pad, event);
gst_object_unref(scale);
return res;
}
static GstPadLinkReturn
gst_fameenc_sink_link (GstPad * pad, const GstCaps * caps)
{
gint width, height, fps_idx;
gdouble fps;
GstFameEnc *fameenc;
GstStructure *structure;
fameenc = GST_FAMEENC (gst_pad_get_parent (pad));
if (fameenc->initialized) {
GST_DEBUG ("error: fameenc encoder already initialized !");
return GST_PAD_LINK_REFUSED;
}
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_int (structure, "width", &width);
gst_structure_get_int (structure, "height", &height);
gst_structure_get_double (structure, "framerate", &fps);
/* fameenc requires width and height to be multiples of 16 */
if (width % 16 != 0 || height % 16 != 0)
return GST_PAD_LINK_REFUSED;
fps_idx = framerate_to_index (fps);
fameenc->fp.frame_rate_num = frame_rates[fps_idx].num;
fameenc->fp.frame_rate_den = frame_rates[fps_idx].den;
fameenc->time_interval = 0;
fameenc->fp.width = width;
fameenc->fp.height = height;
fameenc->fp.coding = (const char *) fameenc->pattern;
/* FIXME: choose good parameters */
fameenc->fp.slices_per_frame = 1;
/* FIXME: handle these properly */
fameenc->fp.shape_quality = 75;
fameenc->fp.search_range = 0;
fameenc->fp.total_frames = 0;
fameenc->fp.retrieve_cb = NULL;
fame_init (fameenc->fc, &fameenc->fp, fameenc->buffer, fameenc->buffer_size);
fameenc->initialized = TRUE;
fameenc->time_interval = 0;
return GST_PAD_LINK_OK;
}
EXPORT_C
#endif
gboolean
gst_navigation_event_parse_mouse_button_event (GstEvent * event, gint * button,
gdouble * x, gdouble * y)
{
GstNavigationEventType e_type;
const GstStructure *s;
e_type = gst_navigation_event_get_type (event);
g_return_val_if_fail (e_type == GST_NAVIGATION_EVENT_MOUSE_BUTTON_PRESS ||
e_type == GST_NAVIGATION_EVENT_MOUSE_BUTTON_RELEASE, FALSE);
s = gst_event_get_structure (event);
if (x)
g_return_val_if_fail (gst_structure_get_double (s, "pointer_x", x), FALSE);
if (y)
g_return_val_if_fail (gst_structure_get_double (s, "pointer_y", y), FALSE);
if (button)
g_return_val_if_fail (gst_structure_get_int (s, "button", button), FALSE);
return TRUE;
}
/**
* gst_navigation_event_parse_mouse_button_event:
* @event: A #GstEvent to inspect.
* @button: Pointer to a gint that will receive the button number associated
* with the event.
* @x: Pointer to a gdouble to receive the x coordinate of the mouse button
* event.
* @y: Pointer to a gdouble to receive the y coordinate of the mouse button
* event.
*
* Retrieve the details of either a #GstNavigation mouse button press event or
* a mouse button release event. Determine which type the event is using
* gst_navigation_event_get_type() to retrieve the #GstNavigationEventType.
*
* Returns: TRUE if the button number and both coordinates could be extracted,
* otherwise FALSE.
*
* Since: 0.10.23
*/
gboolean
gst_navigation_event_parse_mouse_button_event (GstEvent * event, gint * button,
gdouble * x, gdouble * y)
{
GstNavigationEventType e_type;
const GstStructure *s;
gboolean ret = TRUE;
e_type = gst_navigation_event_get_type (event);
g_return_val_if_fail (e_type == GST_NAVIGATION_EVENT_MOUSE_BUTTON_PRESS ||
e_type == GST_NAVIGATION_EVENT_MOUSE_BUTTON_RELEASE, FALSE);
s = gst_event_get_structure (event);
if (x)
ret &= gst_structure_get_double (s, "pointer_x", x);
if (y)
ret &= gst_structure_get_double (s, "pointer_y", y);
if (button)
ret &= gst_structure_get_int (s, "button", button);
WARN_IF_FAIL (ret, "Couldn't extract details from mouse button event");
return ret;
}
static GstPadLinkReturn
gst_videodrop_link (GstPad * pad, const GstCaps * caps)
{
GstVideodrop *videodrop;
GstStructure *structure;
gboolean ret;
double fps;
GstPad *otherpad;
videodrop = GST_VIDEODROP (gst_pad_get_parent (pad));
otherpad = (pad == videodrop->srcpad) ? videodrop->sinkpad :
videodrop->srcpad;
structure = gst_caps_get_structure (caps, 0);
ret = gst_structure_get_double (structure, "framerate", &fps);
if (!ret)
return GST_PAD_LINK_REFUSED;
if (pad == videodrop->srcpad) {
videodrop->to_fps = fps;
} else {
videodrop->from_fps = fps;
}
if (gst_pad_is_negotiated (otherpad)) {
/*
* Ensure that the other side talks the format we're trying to set
*/
GstCaps *newcaps = gst_caps_copy (caps);
if (pad == videodrop->srcpad) {
gst_caps_set_simple (newcaps,
"framerate", G_TYPE_DOUBLE, videodrop->from_fps, NULL);
} else {
gst_caps_set_simple (newcaps,
"framerate", G_TYPE_DOUBLE, videodrop->to_fps, NULL);
}
ret = gst_pad_try_set_caps (otherpad, newcaps);
if (GST_PAD_LINK_FAILED (ret)) {
return GST_PAD_LINK_REFUSED;
}
}
return GST_PAD_LINK_OK;
}
static gboolean
gst_overlay_sinkconnect (GstPad * pad, const GstCaps * caps)
{
GstOverlay *overlay;
GstStructure *structure;
overlay = GST_OVERLAY (gst_pad_get_parent (pad));
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_int (structure, "width", &overlay->width);
gst_structure_get_int (structure, "height", &overlay->height);
gst_structure_get_double (structure, "framerate", &overlay->framerate);
/* forward to the next plugin */
return gst_pad_try_set_caps (overlay->srcpad, caps);
}
static void
set_program (GstObject * elem, GstStructure * prog)
{
const GstStructure *s;
GstControlSource *cs;
GstClockTime ts, dur;
gdouble v;
const GValue *frame;
GHashTable *css;
gint i, j;
const gchar *name;
css = g_hash_table_new (g_str_hash, g_str_equal);
ts = 0;
dur = gst_util_uint64_scale_int (GST_SECOND, 1, 15);
/* loop over each image in prog */
for (i = 0; i < gst_structure_n_fields (prog); i++) {
GST_DEBUG ("ctrl on %" GST_TIME_FORMAT, GST_TIME_ARGS (ts));
frame =
gst_structure_get_value (prog, gst_structure_nth_field_name (prog, i));
s = gst_value_get_structure (frame);
for (j = 0; j < gst_structure_n_fields (s); j++) {
name = gst_structure_nth_field_name (s, j);
cs = g_hash_table_lookup (css, name);
if (!cs) {
cs = gst_interpolation_control_source_new ();
gst_object_add_control_binding (elem,
gst_direct_control_binding_new (elem, name, cs));
g_object_set (cs, "mode", GST_INTERPOLATION_MODE_NONE, NULL);
g_hash_table_insert (css, (gpointer) name, cs);
gst_object_unref (cs);
}
gst_structure_get_double (s, name, &v);
gst_timed_value_control_source_set ((GstTimedValueControlSource *) cs, ts,
v);
GST_DEBUG (" %s = %lf", name, v);
}
ts += dur;
}
g_hash_table_unref (css);
}
static gboolean
gst_snapshot_sinkconnect (GstPad * pad, const GstCaps * caps)
{
GstSnapshot *filter;
gdouble fps;
GstStructure *structure;
filter = GST_SNAPSHOT (gst_pad_get_parent (pad));
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_int (structure, "width", &filter->width);
gst_structure_get_int (structure, "height", &filter->height);
gst_structure_get_double (structure, "framerate", &fps);
gst_structure_get_fourcc (structure, "format", &filter->format);
filter->to_bpp = 24;
gst_pad_try_set_caps (filter->srcpad, caps);
return GST_PAD_LINK_OK;
}
static GstPadLinkReturn
gst_chart_srcconnect (GstPad * pad, const GstCaps * caps)
{
GstChart *chart;
GstStructure *structure;
chart = GST_CHART (gst_pad_get_parent (pad));
structure = gst_caps_get_structure (caps, 0);
if (!gst_structure_get_double (structure, "framerate", &chart->framerate) ||
!gst_structure_get_int (structure, "width", &chart->width) ||
!gst_structure_get_int (structure, "height", &chart->height))
return GST_PAD_LINK_REFUSED;
chart->samples_between_frames = chart->samplerate / chart->framerate;
GST_DEBUG ("CHART: new src caps: framerate %f, %dx%d",
chart->framerate, chart->width, chart->height);
return GST_PAD_LINK_OK;
}
static gboolean
gst_video_flip_src_event (GstBaseTransform * trans, GstEvent * event)
{
GstVideoFlip *vf = GST_VIDEO_FLIP (trans);
gdouble new_x, new_y, x, y;
GstStructure *structure;
GST_DEBUG_OBJECT (vf, "handling %s event", GST_EVENT_TYPE_NAME (event));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_NAVIGATION:
event =
GST_EVENT (gst_mini_object_make_writable (GST_MINI_OBJECT (event)));
structure = (GstStructure *) gst_event_get_structure (event);
if (gst_structure_get_double (structure, "pointer_x", &x) &&
gst_structure_get_double (structure, "pointer_y", &y)) {
GST_DEBUG_OBJECT (vf, "converting %fx%f", x, y);
switch (vf->method) {
case GST_VIDEO_FLIP_METHOD_90R:
new_x = y;
new_y = vf->to_width - x;
break;
case GST_VIDEO_FLIP_METHOD_90L:
new_x = vf->to_height - y;
new_y = x;
break;
case GST_VIDEO_FLIP_METHOD_OTHER:
new_x = vf->to_height - y;
new_y = vf->to_width - x;
break;
case GST_VIDEO_FLIP_METHOD_TRANS:
new_x = y;
new_y = x;
break;
case GST_VIDEO_FLIP_METHOD_180:
new_x = vf->to_width - x;
new_y = vf->to_height - y;
break;
case GST_VIDEO_FLIP_METHOD_HORIZ:
new_x = vf->to_width - x;
new_y = y;
break;
case GST_VIDEO_FLIP_METHOD_VERT:
new_x = x;
new_y = vf->to_height - y;
break;
default:
new_x = x;
new_y = y;
break;
}
GST_DEBUG_OBJECT (vf, "to %fx%f", new_x, new_y);
gst_structure_set (structure, "pointer_x", G_TYPE_DOUBLE, new_x,
"pointer_y", G_TYPE_DOUBLE, new_y, NULL);
}
break;
default:
break;
}
return TRUE;
}
static GstPadLinkReturn
gst_hermes_colorspace_link (GstPad * pad, const GstCaps * caps)
{
GstHermesColorspace *space;
GstPad *otherpad;
GstStructure *structure;
GstPadLinkReturn link_ret;
int width, height;
double fps;
int i;
space = GST_HERMES_COLORSPACE (gst_pad_get_parent (pad));
otherpad = (pad == space->sinkpad) ? space->srcpad : space->sinkpad;
link_ret = gst_pad_try_set_caps (otherpad, caps);
if (link_ret == GST_PAD_LINK_OK) {
space->passthru = TRUE;
return link_ret;
}
structure = gst_caps_get_structure (caps, 0);
for (i = 0; i < G_N_ELEMENTS (gst_hermes_colorspace_formats); i++) {
GstCaps *icaps;
GstCaps *fcaps;
fcaps =
gst_caps_copy (gst_static_caps_get (&gst_hermes_colorspace_formats
[i].caps));
icaps = gst_caps_intersect (caps, fcaps);
if (!gst_caps_is_empty (icaps)) {
break;
}
gst_caps_free (icaps);
}
if (i == G_N_ELEMENTS (gst_hermes_colorspace_formats)) {
g_assert_not_reached ();
return GST_PAD_LINK_REFUSED;
}
gst_structure_get_int (structure, "width", &width);
gst_structure_get_int (structure, "height", &height);
gst_structure_get_double (structure, "framerate", &fps);
GST_INFO ("size: %dx%d", space->width, space->height);
if (gst_pad_is_negotiated (otherpad)) {
GstCaps *othercaps;
othercaps = gst_caps_copy (gst_pad_get_negotiated_caps (otherpad));
gst_caps_set_simple (othercaps,
"width", G_TYPE_INT, width,
"height", G_TYPE_INT, height, "framerate", G_TYPE_DOUBLE, fps, NULL);
link_ret = gst_pad_try_set_caps (otherpad, othercaps);
if (link_ret != GST_PAD_LINK_OK) {
return link_ret;
}
}
if (pad == space->srcpad) {
space->src_format_index = i;
gst_hermes_colorspace_structure_to_hermes_format (&space->src_format,
structure);
} else {
space->sink_format_index = i;
gst_hermes_colorspace_structure_to_hermes_format (&space->sink_format,
structure);
}
space->sink_stride = width * (space->sink_format.bits / 8);
space->src_stride = width * (space->src_format.bits / 8);
space->sink_size = space->sink_stride * height;
space->src_size = space->src_stride * height;
space->width = width;
space->height = height;
space->fps = fps;
if (gst_pad_is_negotiated (otherpad)) {
if (!Hermes_ConverterRequest (space->h_handle, &space->sink_format,
&space->src_format)) {
g_warning ("Hermes: could not get converter\n");
return GST_PAD_LINK_REFUSED;
}
g_print ("inited\n");
}
return GST_PAD_LINK_OK;
}
/* The nav event handler handles nav events, but still forwards them, so you
* should be able to even use puzzle while navigating a dvd menu. We return
* TRUE of course even when noone downstream handles the event.
*/
static gboolean
nav_event_handler (GstPad * pad, GstEvent * event)
{
GstPuzzle *puzzle;
GstVideofilter *filter;
const gchar *type;
gboolean result = FALSE;
gdouble x, y;
gint xpos = 0, ypos = 0;
puzzle = GST_PUZZLE (gst_pad_get_parent (pad));
filter = GST_VIDEOFILTER (puzzle);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_NAVIGATION:
/* translate the event */
if (gst_structure_get_double (event->event_data.structure.structure,
"pointer_x", &x) &&
gst_structure_get_double (event->event_data.structure.structure,
"pointer_y", &y)) {
gint width, height;
width = gst_videofilter_get_input_width (filter);
height = gst_videofilter_get_input_height (filter);
width = (width / puzzle->columns) & ~3;
height = (height / puzzle->rows) & ~3;
xpos = (int) x / width;
ypos = (int) y / height;
if (xpos >= 0 && xpos < puzzle->columns && ypos >= 0
&& ypos < puzzle->rows) {
GstEvent *copy;
guint lookup;
lookup = puzzle->permutation[ypos * puzzle->columns + xpos];
GST_DEBUG_OBJECT (puzzle, "translated %dx%d (%gx%g) to %dx%d (%gx%g)",
xpos, ypos, x, y,
lookup % puzzle->columns, lookup / puzzle->columns,
x + ((gint) (lookup % puzzle->columns) - xpos) * width,
y + ((gint) (lookup / puzzle->columns) - ypos) * height);
x += ((gint) (lookup % puzzle->columns) - xpos) * width;
y += ((gint) (lookup / puzzle->columns) - ypos) * height;
copy = gst_event_copy (event);
gst_structure_set (copy->event_data.structure.structure,
"pointer_x", G_TYPE_DOUBLE, x,
"pointer_y", G_TYPE_DOUBLE, y, NULL);
gst_event_unref (event);
event = copy;
}
}
/* handle the event. NOTE: it has already been translated! */
type = gst_structure_get_string (event->event_data.structure.structure,
"event");
if (g_str_equal (type, "key-press")) {
const gchar *key =
gst_structure_get_string (event->event_data.structure.structure,
"key");
if (g_str_equal (key, "space")) {
if (gst_puzzle_is_solved (puzzle)) {
gst_puzzle_shuffle (puzzle);
} else {
gst_puzzle_solve (puzzle);
}
} else {
if (puzzle->solved)
break;
if (g_str_equal (key, "Left")) {
gst_puzzle_move (puzzle, DIR_LEFT);
} else if (g_str_equal (key, "Right")) {
gst_puzzle_move (puzzle, DIR_RIGHT);
} else if (g_str_equal (key, "Up")) {
gst_puzzle_move (puzzle, DIR_UP);
} else if (g_str_equal (key, "Down")) {
gst_puzzle_move (puzzle, DIR_DOWN);
}
}
puzzle->solved = gst_puzzle_is_solved (puzzle);
} else if (g_str_equal (type, "mouse-button-press")) {
gint button;
if (gst_structure_get_int (event->event_data.structure.structure,
"button", &button)) {
if (button == 1) {
if (xpos >= 0 && xpos < puzzle->columns && ypos >= 0
&& ypos < puzzle->rows && !puzzle->solved) {
gst_puzzle_swap (puzzle, ypos * puzzle->columns + xpos);
puzzle->solved = gst_puzzle_is_solved (puzzle);
}
} else if (button == 2) {
if (puzzle->solved) {
gst_puzzle_shuffle (puzzle);
} else {
gst_puzzle_solve (puzzle);
}
puzzle->solved = gst_puzzle_is_solved (puzzle);
}
}
}
/* FIXME: only return TRUE for events we handle? */
result = TRUE;
break;
default:
break;
}
return gst_pad_event_default (pad, event) || result;
}
static gboolean
gst_swfdec_src_event (GstPad * pad, GstEvent * event)
{
gboolean res = TRUE;
GstSwfdec *swfdec;
#define MAX_SEEK_FORMATS 1 /* we can only do time seeking for now */
swfdec = GST_SWFDEC (gst_pad_get_parent (pad));
switch (GST_EVENT_TYPE (event)) {
#if 0
/* the all-formats seek logic */
case GST_EVENT_SEEK:
{
gdouble rate;
GstFormat format;
GstSeekFlags flags;
GstSeekType start_type, stop_type;
gint64 start, stop;
int new_frame;
int ret;
int n_frames;
gst_event_parse_seek (event, &rate, &format, &flags, &start_type, &start,
&stop_type, &stop);
new_frame = start / swfdec->interval;
ret = swfdec_decoder_get_n_frames (swfdec->decoder, &n_frames);
if (new_frame >= 0 && new_frame < n_frames) {
GstEvent *event;
GST_DEBUG ("seeking to frame %d\n", new_frame);
swfdec_render_seek (swfdec->decoder, new_frame);
GST_DEBUG ("sending flush event\n");
event = gst_event_new_flush_start ();
gst_pad_push_event (swfdec->videopad, event);
event = gst_event_new_flush_start ();
gst_pad_push_event (swfdec->audiopad, event);
swfdec->send_discont = TRUE;
swfdec->seek_frame = new_frame;
}
res = TRUE;
break;
}
#endif
case GST_EVENT_NAVIGATION:
{
const GstStructure *structure = gst_event_get_structure (event);
const char *type;
type = gst_structure_get_string (structure, "event");
GST_DEBUG ("got nav event %s", type);
if (g_str_equal (type, "mouse-move")) {
gst_structure_get_double (structure, "pointer_x", &swfdec->x);
gst_structure_get_double (structure, "pointer_y", &swfdec->y);
} else if (g_str_equal (type, "mouse-button-press")) {
gst_structure_get_double (structure, "pointer_x", &swfdec->x);
gst_structure_get_double (structure, "pointer_y", &swfdec->y);
swfdec->button = 1;
} else if (g_str_equal (type, "mouse-button-release")) {
gst_structure_get_double (structure, "pointer_x", &swfdec->x);
gst_structure_get_double (structure, "pointer_y", &swfdec->y);
swfdec->button = 0;
}
break;
}
default:
res = gst_pad_event_default (pad, event);
event = NULL;
break;
}
if (event) {
gst_event_unref (event);
}
gst_object_unref (swfdec);
return res;
}
static gboolean
gst_rfb_src_event (GstBaseSrc * bsrc, GstEvent * event)
{
GstRfbSrc *src = GST_RFB_SRC (bsrc);
gdouble x, y;
gint button;
const GstStructure *structure;
const gchar *event_type;
gboolean key_event, key_press;
key_event = FALSE;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_NAVIGATION:
/* if in view_only mode ignore the navigation event */
if (src->view_only)
break;
structure = gst_event_get_structure (event);
event_type = gst_structure_get_string (structure, "event");
if (strcmp (event_type, "key-press") == 0) {
key_event = key_press = TRUE;
} else if (strcmp (event_type, "key-release") == 0) {
key_event = TRUE;
key_press = FALSE;
}
if (key_event) {
#ifdef HAVE_X11
const gchar *key;
KeySym key_sym;
key = gst_structure_get_string (structure, "key");
key_sym = XStringToKeysym (key);
if (key_sym != NoSymbol)
rfb_decoder_send_key_event (src->decoder, key_sym, key_press);
#endif
break;
}
gst_structure_get_double (structure, "pointer_x", &x);
gst_structure_get_double (structure, "pointer_y", &y);
gst_structure_get_int (structure, "button", &button);
/* we need to take care of the offset's */
x += src->decoder->offset_x;
y += src->decoder->offset_y;
if (strcmp (event_type, "mouse-move") == 0) {
GST_LOG_OBJECT (src, "sending mouse-move event "
"button_mask=%d, x=%d, y=%d", src->button_mask, (gint) x, (gint) y);
rfb_decoder_send_pointer_event (src->decoder, src->button_mask,
(gint) x, (gint) y);
} else if (strcmp (event_type, "mouse-button-release") == 0) {
src->button_mask &= ~(1 << (button - 1));
GST_LOG_OBJECT (src, "sending mouse-button-release event "
"button_mask=%d, x=%d, y=%d", src->button_mask, (gint) x, (gint) y);
rfb_decoder_send_pointer_event (src->decoder, src->button_mask,
(gint) x, (gint) y);
} else if (strcmp (event_type, "mouse-button-press") == 0) {
src->button_mask |= (1 << (button - 1));
GST_LOG_OBJECT (src, "sending mouse-button-press event "
"button_mask=%d, x=%d, y=%d", src->button_mask, (gint) x, (gint) y);
rfb_decoder_send_pointer_event (src->decoder, src->button_mask,
(gint) x, (gint) y);
}
break;
default:
break;
}
return TRUE;
}
