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-rw-r--r--gst/smpte/gstsmpte.c292
1 files changed, 148 insertions, 144 deletions
diff --git a/gst/smpte/gstsmpte.c b/gst/smpte/gstsmpte.c
index 5899a9a1..91b91d9d 100644
--- a/gst/smpte/gstsmpte.c
+++ b/gst/smpte/gstsmpte.c
@@ -34,43 +34,39 @@ static GstElementDetails smpte_details = {
};
static GstStaticPadTemplate gst_smpte_src_template =
-GST_STATIC_PAD_TEMPLATE (
- "src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS (
- GST_VIDEO_CAPS_YUV("I420")
- )
-);
+GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420")
+ )
+ );
static GstStaticPadTemplate gst_smpte_sink1_template =
-GST_STATIC_PAD_TEMPLATE (
- "sink1",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS (
- GST_VIDEO_CAPS_YUV("I420")
- )
-);
+GST_STATIC_PAD_TEMPLATE ("sink1",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420")
+ )
+ );
static GstStaticPadTemplate gst_smpte_sink2_template =
-GST_STATIC_PAD_TEMPLATE (
- "sink2",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS (
- GST_VIDEO_CAPS_YUV("I420")
- )
-);
+GST_STATIC_PAD_TEMPLATE ("sink2",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420")
+ )
+ );
/* SMPTE signals and args */
-enum {
+enum
+{
/* FILL ME */
LAST_SIGNAL
};
-enum {
+enum
+{
ARG_0,
ARG_TYPE,
ARG_BORDER,
@@ -80,48 +76,51 @@ enum {
#define GST_TYPE_SMPTE_TRANSITION_TYPE (gst_smpte_transition_type_get_type())
static GType
-gst_smpte_transition_type_get_type (void)
+gst_smpte_transition_type_get_type (void)
{
static GType smpte_transition_type = 0;
GEnumValue *smpte_transitions;
if (!smpte_transition_type) {
const GList *definitions;
- gint i=0;
+ gint i = 0;
definitions = gst_mask_get_definitions ();
- smpte_transitions = g_new0 (GEnumValue, g_list_length ((GList *)definitions)+1);
+ smpte_transitions =
+ g_new0 (GEnumValue, g_list_length ((GList *) definitions) + 1);
while (definitions) {
GstMaskDefinition *definition = (GstMaskDefinition *) definitions->data;
+
definitions = g_list_next (definitions);
smpte_transitions[i].value = definition->type;
smpte_transitions[i].value_name = definition->short_name;
smpte_transitions[i].value_nick = definition->long_name;
-
+
i++;
}
- smpte_transition_type =
- g_enum_register_static ("GstSMPTETransitionType", smpte_transitions);
+ smpte_transition_type =
+ g_enum_register_static ("GstSMPTETransitionType", smpte_transitions);
}
return smpte_transition_type;
-}
+}
-static void gst_smpte_class_init (GstSMPTEClass *klass);
-static void gst_smpte_base_init (GstSMPTEClass *klass);
-static void gst_smpte_init (GstSMPTE *smpte);
+static void gst_smpte_class_init (GstSMPTEClass * klass);
+static void gst_smpte_base_init (GstSMPTEClass * klass);
+static void gst_smpte_init (GstSMPTE * smpte);
-static void gst_smpte_loop (GstElement *element);
+static void gst_smpte_loop (GstElement * element);
-static void gst_smpte_set_property (GObject *object, guint prop_id,
- const GValue *value, GParamSpec *pspec);
-static void gst_smpte_get_property (GObject *object, guint prop_id,
- GValue *value, GParamSpec *pspec);
+static void gst_smpte_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_smpte_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
static GstElementClass *parent_class = NULL;
+
/*static guint gst_smpte_signals[LAST_SIGNAL] = { 0 }; */
static GType
@@ -131,45 +130,46 @@ gst_smpte_get_type (void)
if (!smpte_type) {
static const GTypeInfo smpte_info = {
- sizeof(GstSMPTEClass),
- (GBaseInitFunc)gst_smpte_base_init,
+ sizeof (GstSMPTEClass),
+ (GBaseInitFunc) gst_smpte_base_init,
NULL,
- (GClassInitFunc)gst_smpte_class_init,
+ (GClassInitFunc) gst_smpte_class_init,
NULL,
NULL,
- sizeof(GstSMPTE),
+ sizeof (GstSMPTE),
0,
- (GInstanceInitFunc)gst_smpte_init,
+ (GInstanceInitFunc) gst_smpte_init,
};
- smpte_type = g_type_register_static(GST_TYPE_ELEMENT, "GstSMPTE", &smpte_info, 0);
+ smpte_type =
+ g_type_register_static (GST_TYPE_ELEMENT, "GstSMPTE", &smpte_info, 0);
}
return smpte_type;
}
static void
-gst_smpte_base_init (GstSMPTEClass *klass)
+gst_smpte_base_init (GstSMPTEClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get(&gst_smpte_sink1_template));
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get(&gst_smpte_sink2_template));
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get(&gst_smpte_src_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_smpte_sink1_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_smpte_sink2_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_smpte_src_template));
gst_element_class_set_details (element_class, &smpte_details);
}
static void
-gst_smpte_class_init (GstSMPTEClass *klass)
+gst_smpte_class_init (GstSMPTEClass * 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);
gobject_class->set_property = gst_smpte_set_property;
gobject_class->get_property = gst_smpte_get_property;
@@ -177,39 +177,42 @@ gst_smpte_class_init (GstSMPTEClass *klass)
_gst_mask_init ();
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_TYPE,
- g_param_spec_enum ("type", "Type", "The type of transition to use",
- GST_TYPE_SMPTE_TRANSITION_TYPE, 1, G_PARAM_READWRITE));
+ g_param_spec_enum ("type", "Type", "The type of transition to use",
+ GST_TYPE_SMPTE_TRANSITION_TYPE, 1, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FPS,
- g_param_spec_float ("fps", "FPS", "Frames per second if no input files are given",
- 0., G_MAXFLOAT, 25., G_PARAM_READWRITE));
+ g_param_spec_float ("fps", "FPS",
+ "Frames per second if no input files are given", 0., G_MAXFLOAT, 25.,
+ G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BORDER,
- g_param_spec_int ("border", "Border", "The border width of the transition",
- 0, G_MAXINT, 0, G_PARAM_READWRITE));
+ g_param_spec_int ("border", "Border",
+ "The border width of the transition", 0, G_MAXINT, 0,
+ G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DEPTH,
- g_param_spec_int ("depth", "Depth", "Depth of the mask in bits",
- 1, 24, 16, G_PARAM_READWRITE));
+ g_param_spec_int ("depth", "Depth", "Depth of the mask in bits", 1, 24,
+ 16, G_PARAM_READWRITE));
}
/* wht yel cya grn mag red blu blk -I Q */
-static int y_colors[] = { 255, 226, 179, 150, 105, 76, 29, 16, 16, 0 };
-static int u_colors[] = { 128, 0, 170, 46, 212, 85, 255, 128, 0, 128 };
-static int v_colors[] = { 128, 155, 0, 21, 235, 255, 107, 128, 128, 255 };
+static int y_colors[] = { 255, 226, 179, 150, 105, 76, 29, 16, 16, 0 };
+static int u_colors[] = { 128, 0, 170, 46, 212, 85, 255, 128, 0, 128 };
+static int v_colors[] = { 128, 155, 0, 21, 235, 255, 107, 128, 128, 255 };
static void
-fill_i420 (guint8 *data, gint width, gint height, gint color)
+fill_i420 (guint8 * data, gint width, gint height, gint color)
{
gint size = width * height, size4 = size >> 2;
guint8 *yp = data;
guint8 *up = data + size;
guint8 *vp = data + size + size4;
-
+
memset (yp, y_colors[color], size);
memset (up, u_colors[color], size4);
memset (vp, v_colors[color], size4);
}
static gboolean
-gst_smpte_update_mask (GstSMPTE *smpte, gint type, gint depth, gint width, gint height)
+gst_smpte_update_mask (GstSMPTE * smpte, gint type, gint depth, gint width,
+ gint height)
{
GstMask *newmask;
@@ -230,7 +233,7 @@ gst_smpte_update_mask (GstSMPTE *smpte, gint type, gint depth, gint width, gint
}
static gboolean
-gst_smpte_sinkconnect (GstPad *pad, const GstCaps *caps)
+gst_smpte_sinkconnect (GstPad * pad, const GstCaps * caps)
{
GstSMPTE *smpte;
GstStructure *structure;
@@ -243,29 +246,34 @@ gst_smpte_sinkconnect (GstPad *pad, const GstCaps *caps)
ret = gst_structure_get_int (structure, "width", &smpte->width);
ret &= gst_structure_get_int (structure, "height", &smpte->height);
ret &= gst_structure_get_double (structure, "framerate", &smpte->fps);
- if (!ret) return GST_PAD_LINK_REFUSED;
+ if (!ret)
+ return GST_PAD_LINK_REFUSED;
- gst_smpte_update_mask (smpte, smpte->type, smpte->depth, smpte->width, smpte->height);
+ gst_smpte_update_mask (smpte, smpte->type, smpte->depth, smpte->width,
+ smpte->height);
/* forward to the next plugin */
- return gst_pad_try_set_caps(smpte->srcpad, caps);
+ return gst_pad_try_set_caps (smpte->srcpad, caps);
}
-static void
-gst_smpte_init (GstSMPTE *smpte)
+static void
+gst_smpte_init (GstSMPTE * smpte)
{
- smpte->sinkpad1 = gst_pad_new_from_template (
- gst_static_pad_template_get(&gst_smpte_sink1_template), "sink1");
+ smpte->sinkpad1 =
+ gst_pad_new_from_template (gst_static_pad_template_get
+ (&gst_smpte_sink1_template), "sink1");
gst_pad_set_link_function (smpte->sinkpad1, gst_smpte_sinkconnect);
gst_element_add_pad (GST_ELEMENT (smpte), smpte->sinkpad1);
- smpte->sinkpad2 = gst_pad_new_from_template (
- gst_static_pad_template_get(&gst_smpte_sink2_template), "sink2");
+ smpte->sinkpad2 =
+ gst_pad_new_from_template (gst_static_pad_template_get
+ (&gst_smpte_sink2_template), "sink2");
gst_pad_set_link_function (smpte->sinkpad2, gst_smpte_sinkconnect);
gst_element_add_pad (GST_ELEMENT (smpte), smpte->sinkpad2);
- smpte->srcpad = gst_pad_new_from_template (
- gst_static_pad_template_get(&gst_smpte_src_template), "src");
+ smpte->srcpad =
+ gst_pad_new_from_template (gst_static_pad_template_get
+ (&gst_smpte_src_template), "src");
gst_element_add_pad (GST_ELEMENT (smpte), smpte->srcpad);
gst_element_set_loop_function (GST_ELEMENT (smpte), gst_smpte_loop);
@@ -278,48 +286,53 @@ gst_smpte_init (GstSMPTE *smpte)
smpte->type = 1;
smpte->border = 0;
smpte->depth = 16;
- gst_smpte_update_mask (smpte, smpte->type, smpte->depth, smpte->width, smpte->height);
+ gst_smpte_update_mask (smpte, smpte->type, smpte->depth, smpte->width,
+ smpte->height);
}
static void
-gst_smpte_blend_i420 (guint8 *in1, guint8 *in2, guint8 *out, GstMask *mask,
- gint width, gint height, gint border, gint pos)
+gst_smpte_blend_i420 (guint8 * in1, guint8 * in2, guint8 * out, GstMask * mask,
+ gint width, gint height, gint border, gint pos)
{
guint32 *maskp;
gint value;
gint i, j;
gint min, max;
- guint8 *in1u, *in1v, *in2u, *in2v, *outu, *outv;
+ guint8 *in1u, *in1v, *in2u, *in2v, *outu, *outv;
gint lumsize = width * height;
gint chromsize = lumsize >> 2;
- if (border == 0) border++;
+ if (border == 0)
+ border++;
- min = pos - border;
+ min = pos - border;
max = pos;
- in1u = in1 + lumsize; in1v = in1u + chromsize;
- in2u = in2 + lumsize; in2v = in2u + chromsize;
- outu = out + lumsize; outv = outu + chromsize;
-
+ in1u = in1 + lumsize;
+ in1v = in1u + chromsize;
+ in2u = in2 + lumsize;
+ in2v = in2u + chromsize;
+ outu = out + lumsize;
+ outv = outu + chromsize;
+
maskp = mask->data;
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++) {
value = *maskp++;
value = ((CLAMP (value, min, max) - min) << 8) / border;
-
+
*out++ = ((*in1++ * value) + (*in2++ * (256 - value))) >> 8;
if (!(i & 1) && !(j & 1)) {
- *outu++ = ((*in1u++ * value) + (*in2u++ * (256 - value))) >> 8;
- *outv++ = ((*in1v++ * value) + (*in2v++ * (256 - value))) >> 8;
+ *outu++ = ((*in1u++ * value) + (*in2u++ * (256 - value))) >> 8;
+ *outv++ = ((*in1v++ * value) + (*in2v++ * (256 - value))) >> 8;
}
}
}
}
static void
-gst_smpte_loop (GstElement *element)
+gst_smpte_loop (GstElement * element)
{
GstSMPTE *smpte;
GstBuffer *outbuf;
@@ -335,8 +348,7 @@ gst_smpte_loop (GstElement *element)
if (GST_IS_EVENT (in1)) {
gst_pad_push (smpte->srcpad, GST_DATA (in1));
in1 = NULL;
- }
- else
+ } else
ts = GST_BUFFER_TIMESTAMP (in1);
}
if (GST_PAD_IS_USABLE (smpte->sinkpad2) && in2 == NULL) {
@@ -344,8 +356,7 @@ gst_smpte_loop (GstElement *element)
if (GST_IS_EVENT (in2)) {
gst_pad_push (smpte->srcpad, GST_DATA (in2));
in2 = NULL;
- }
- else
+ } else
ts = GST_BUFFER_TIMESTAMP (in2);
}
@@ -358,33 +369,33 @@ gst_smpte_loop (GstElement *element)
fill_i420 (GST_BUFFER_DATA (in2), smpte->width, smpte->height, 0);
}
- if (smpte->position < smpte->duration) {
+ if (smpte->position < smpte->duration) {
outbuf = gst_buffer_new_and_alloc (smpte->width * smpte->height * 3);
if (!GST_PAD_CAPS (smpte->srcpad)) {
GstCaps *caps;
- caps = gst_caps_copy (gst_static_caps_get (
- &gst_smpte_src_template.static_caps));
- gst_caps_set_simple (caps,
- "width", G_TYPE_INT, smpte->width,
- "height", G_TYPE_INT, smpte->height,
- "framerate", G_TYPE_DOUBLE, smpte->fps, NULL);
+
+ caps =
+ gst_caps_copy (gst_static_caps_get (&gst_smpte_src_template.
+ static_caps));
+ gst_caps_set_simple (caps, "width", G_TYPE_INT, smpte->width, "height",
+ G_TYPE_INT, smpte->height, "framerate", G_TYPE_DOUBLE, smpte->fps,
+ NULL);
if (!gst_pad_try_set_caps (smpte->srcpad, caps)) {
- GST_ELEMENT_ERROR (smpte, CORE, NEGOTIATION, (NULL), (NULL));
- return;
+ GST_ELEMENT_ERROR (smpte, CORE, NEGOTIATION, (NULL), (NULL));
+ return;
}
}
- gst_smpte_blend_i420 (GST_BUFFER_DATA (in1),
- GST_BUFFER_DATA (in2),
- GST_BUFFER_DATA (outbuf),
- smpte->mask, smpte->width, smpte->height,
- smpte->border,
- ((1 << smpte->depth) + smpte->border) *
- smpte->position / smpte->duration);
- }
- else {
+ gst_smpte_blend_i420 (GST_BUFFER_DATA (in1),
+ GST_BUFFER_DATA (in2),
+ GST_BUFFER_DATA (outbuf),
+ smpte->mask, smpte->width, smpte->height,
+ smpte->border,
+ ((1 << smpte->depth) + smpte->border) *
+ smpte->position / smpte->duration);
+ } else {
outbuf = in2;
gst_buffer_ref (in2);
}
@@ -401,20 +412,20 @@ gst_smpte_loop (GstElement *element)
}
static void
-gst_smpte_set_property (GObject *object, guint prop_id,
- const GValue *value, GParamSpec *pspec)
+gst_smpte_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
{
GstSMPTE *smpte;
- smpte = GST_SMPTE(object);
+ smpte = GST_SMPTE (object);
switch (prop_id) {
case ARG_TYPE:
{
gint type = g_value_get_enum (value);
- gst_smpte_update_mask (smpte, type, smpte->depth,
- smpte->width, smpte->height);
+ gst_smpte_update_mask (smpte, type, smpte->depth,
+ smpte->width, smpte->height);
break;
}
case ARG_BORDER:
@@ -427,8 +438,8 @@ gst_smpte_set_property (GObject *object, guint prop_id,
{
gint depth = g_value_get_int (value);
- gst_smpte_update_mask (smpte, smpte->type, depth,
- smpte->width, smpte->height);
+ gst_smpte_update_mask (smpte, smpte->type, depth,
+ smpte->width, smpte->height);
break;
}
default:
@@ -438,12 +449,12 @@ gst_smpte_set_property (GObject *object, guint prop_id,
}
static void
-gst_smpte_get_property (GObject *object, guint prop_id,
- GValue *value, GParamSpec *pspec)
+gst_smpte_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
{
GstSMPTE *smpte;
- smpte = GST_SMPTE(object);
+ smpte = GST_SMPTE (object);
switch (prop_id) {
case ARG_TYPE:
@@ -468,20 +479,13 @@ gst_smpte_get_property (GObject *object, guint prop_id,
static gboolean
-plugin_init (GstPlugin *plugin)
+plugin_init (GstPlugin * plugin)
{
- return gst_element_register(plugin, "smpte",
- GST_RANK_NONE, GST_TYPE_SMPTE);
+ return gst_element_register (plugin, "smpte", GST_RANK_NONE, GST_TYPE_SMPTE);
}
-GST_PLUGIN_DEFINE (
- GST_VERSION_MAJOR,
- GST_VERSION_MINOR,
- "smpte",
- "Apply the standard SMPTE transitions on video images",
- plugin_init,
- VERSION,
- "LGPL",
- GST_PACKAGE,
- GST_ORIGIN
-)
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "smpte",
+ "Apply the standard SMPTE transitions on video images",
+ plugin_init, VERSION, "LGPL", GST_PACKAGE, GST_ORIGIN)
generated by cgit v1.2.1 (git 2.18.0) at 2025-01-15 23:05:29 +0000