mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2025-02-23 14:36:24 +00:00
gdkpixbufscale: port to 0.11
This commit is contained in:
Mark Nauwelaerts
parent
606a88f197
commit
84881b5399
2 changed files with 79 additions and 114 deletions
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@ -57,14 +57,14 @@ static GstStaticPadTemplate gst_pixbufscale_src_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_RGB)
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("RGB"))
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);
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static GstStaticPadTemplate gst_pixbufscale_sink_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_RGB)
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("RGB"))
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);
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#define GST_TYPE_PIXBUFSCALE_METHOD (gst_pixbufscale_method_get_type())
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@ -93,28 +93,32 @@ static void gst_pixbufscale_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static GstCaps *gst_pixbufscale_transform_caps (GstBaseTransform * trans,
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GstPadDirection direction, GstCaps * caps);
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static gboolean gst_pixbufscale_set_caps (GstBaseTransform * trans,
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GstCaps * in, GstCaps * out);
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static gboolean gst_pixbufscale_get_unit_size (GstBaseTransform * trans,
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GstCaps * caps, guint * size);
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static void gst_pixbufscale_fixate_caps (GstBaseTransform * base,
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GstPadDirection direction, GstCaps * caps, GstCaps * filter);
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static gboolean gst_pixbufscale_set_info (GstVideoFilter * filter,
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GstCaps * in, GstVideoInfo * in_info, GstCaps * out,
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GstVideoInfo * out_info);
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static GstCaps *gst_pixbufscale_fixate_caps (GstBaseTransform * base,
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GstPadDirection direction, GstCaps * caps, GstCaps * othercaps);
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static GstFlowReturn gst_pixbufscale_transform (GstBaseTransform * trans,
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GstBuffer * in, GstBuffer * out);
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static gboolean gst_pixbufscale_handle_src_event (GstPad * pad,
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static GstFlowReturn gst_pixbufscale_transform_frame (GstVideoFilter * filter,
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GstVideoFrame * in, GstVideoFrame * out);
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static gboolean gst_pixbufscale_handle_src_event (GstBaseTransform * trans,
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GstEvent * event);
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static gboolean parse_caps (GstCaps * caps, gint * width, gint * height);
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GST_BOILERPLATE (GstPixbufScale, gst_pixbufscale, GstBaseTransform,
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GST_TYPE_BASE_TRANSFORM);
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#define gst_pixbufscale_parent_class parent_class
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G_DEFINE_TYPE (GstPixbufScale, gst_pixbufscale, GST_TYPE_VIDEO_FILTER);
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static void
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gst_pixbufscale_base_init (gpointer g_class)
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gst_pixbufscale_class_init (GstPixbufScaleClass * klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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GObjectClass *gobject_class;
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GstElementClass *element_class;
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GstBaseTransformClass *trans_class;
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GstVideoFilterClass *filter_class;
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gobject_class = (GObjectClass *) klass;
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element_class = (GstElementClass *) klass;
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trans_class = (GstBaseTransformClass *) klass;
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filter_class = (GstVideoFilterClass *) klass;
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gst_element_class_set_details_simple (element_class, "GdkPixbuf image scaler",
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"Filter/Effect/Video", "Resizes video",
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@ -126,16 +130,6 @@ gst_pixbufscale_base_init (gpointer g_class)
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gst_static_pad_template_get (&gst_pixbufscale_src_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_pixbufscale_sink_template));
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}
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static void
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gst_pixbufscale_class_init (GstPixbufScaleClass * klass)
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{
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GObjectClass *gobject_class;
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GstBaseTransformClass *trans_class;
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gobject_class = (GObjectClass *) klass;
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trans_class = (GstBaseTransformClass *) klass;
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gobject_class->set_property = gst_pixbufscale_set_property;
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gobject_class->get_property = gst_pixbufscale_get_property;
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@ -148,26 +142,21 @@ gst_pixbufscale_class_init (GstPixbufScaleClass * klass)
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trans_class->transform_caps =
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GST_DEBUG_FUNCPTR (gst_pixbufscale_transform_caps);
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trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_pixbufscale_set_caps);
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trans_class->get_unit_size =
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GST_DEBUG_FUNCPTR (gst_pixbufscale_get_unit_size);
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trans_class->transform = GST_DEBUG_FUNCPTR (gst_pixbufscale_transform);
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trans_class->fixate_caps = GST_DEBUG_FUNCPTR (gst_pixbufscale_fixate_caps);
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trans_class->src_event = GST_DEBUG_FUNCPTR (gst_pixbufscale_handle_src_event);
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trans_class->passthrough_on_same_caps = TRUE;
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filter_class->set_info = GST_DEBUG_FUNCPTR (gst_pixbufscale_set_info);
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filter_class->transform_frame =
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GST_DEBUG_FUNCPTR (gst_pixbufscale_transform_frame);
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parent_class = g_type_class_peek_parent (klass);
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}
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static void
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gst_pixbufscale_init (GstPixbufScale * pixbufscale,
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GstPixbufScaleClass * kclass)
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gst_pixbufscale_init (GstPixbufScale * pixbufscale)
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{
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GstBaseTransform *trans;
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GST_DEBUG_OBJECT (pixbufscale, "_init");
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trans = GST_BASE_TRANSFORM (pixbufscale);
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gst_pad_set_event_function (trans->srcpad, gst_pixbufscale_handle_src_event);
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pixbufscale->method = GST_PIXBUFSCALE_TILES;
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pixbufscale->gdk_method = GDK_INTERP_TILES;
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@ -227,7 +216,7 @@ gst_pixbufscale_get_property (GObject * object, guint prop_id, GValue * value,
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static GstCaps *
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gst_pixbufscale_transform_caps (GstBaseTransform * trans,
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GstPadDirection direction, GstCaps * caps)
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GstPadDirection direction, GstCaps * caps, GstCaps * filter)
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{
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GstCaps *ret;
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int i;
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@ -243,76 +232,46 @@ gst_pixbufscale_transform_caps (GstBaseTransform * trans,
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gst_structure_remove_field (structure, "pixel-aspect-ratio");
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}
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if (filter) {
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GstCaps *intersection;
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intersection =
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gst_caps_intersect_full (filter, ret, GST_CAPS_INTERSECT_FIRST);
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gst_caps_unref (ret);
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ret = intersection;
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}
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GST_DEBUG_OBJECT (trans, "returning caps: %" GST_PTR_FORMAT, ret);
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return ret;
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}
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static gboolean
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parse_caps (GstCaps * caps, gint * width, gint * height)
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gst_pixbufscale_set_info (GstVideoFilter * filter, GstCaps * in,
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GstVideoInfo * in_info, GstCaps * out, GstVideoInfo * out_info)
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{
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gboolean ret;
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GstStructure *structure;
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if (in_info->width == out_info->width && in_info->height == out_info->height) {
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gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (filter), TRUE);
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} else {
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gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (filter), FALSE);
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}
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structure = gst_caps_get_structure (caps, 0);
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ret = gst_structure_get_int (structure, "width", width);
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ret &= gst_structure_get_int (structure, "height", height);
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return ret;
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}
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static gboolean
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gst_pixbufscale_set_caps (GstBaseTransform * trans, GstCaps * in, GstCaps * out)
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{
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GstPixbufScale *pixbufscale;
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gboolean ret;
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pixbufscale = GST_PIXBUFSCALE (trans);
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ret = parse_caps (in, &pixbufscale->from_width, &pixbufscale->from_height);
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ret &= parse_caps (out, &pixbufscale->to_width, &pixbufscale->to_height);
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if (!ret)
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goto done;
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pixbufscale->from_stride = GST_ROUND_UP_4 (pixbufscale->from_width * 3);
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pixbufscale->from_buf_size =
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pixbufscale->from_stride * pixbufscale->from_height;
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pixbufscale->to_stride = GST_ROUND_UP_4 (pixbufscale->to_width * 3);
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pixbufscale->to_buf_size = pixbufscale->to_stride * pixbufscale->to_height;
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GST_DEBUG_OBJECT (pixbufscale, "from=%dx%d, size %d -> to=%dx%d, size %d",
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pixbufscale->from_width, pixbufscale->from_height,
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pixbufscale->from_buf_size, pixbufscale->to_width, pixbufscale->to_height,
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pixbufscale->to_buf_size);
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done:
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return ret;
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}
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static gboolean
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gst_pixbufscale_get_unit_size (GstBaseTransform * trans,
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GstCaps * caps, guint * size)
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{
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gint width, height;
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g_assert (size);
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if (!parse_caps (caps, &width, &height))
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return FALSE;
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*size = GST_ROUND_UP_4 (width * 3) * height;
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GST_DEBUG_OBJECT (filter, "from=%dx%d, size %" G_GSIZE_FORMAT
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" -> to=%dx%d, size %" G_GSIZE_FORMAT,
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in_info->width, in_info->height, in_info->size,
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out_info->width, out_info->height, out_info->size);
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return TRUE;
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}
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static void
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static GstCaps *
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gst_pixbufscale_fixate_caps (GstBaseTransform * base, GstPadDirection direction,
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GstCaps * caps, GstCaps * othercaps)
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{
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GstStructure *ins, *outs;
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const GValue *from_par, *to_par;
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g_return_if_fail (gst_caps_is_fixed (caps));
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othercaps = gst_caps_make_writable (othercaps);
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gst_caps_truncate (othercaps);
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GST_DEBUG_OBJECT (base, "trying to fixate othercaps %" GST_PTR_FORMAT
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" based on caps %" GST_PTR_FORMAT, othercaps, caps);
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@ -337,7 +296,7 @@ gst_pixbufscale_fixate_caps (GstBaseTransform * base, GstPadDirection direction,
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if (count == 2) {
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GST_DEBUG_OBJECT (base, "dimensions already set to %dx%d, not fixating",
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w, h);
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return;
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goto done;
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}
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gst_structure_get_int (ins, "width", &from_w);
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@ -396,33 +355,39 @@ gst_pixbufscale_fixate_caps (GstBaseTransform * base, GstPadDirection direction,
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}
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}
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done:
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GST_DEBUG_OBJECT (base, "fixated othercaps to %" GST_PTR_FORMAT, othercaps);
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return othercaps;
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}
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static GstFlowReturn
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gst_pixbufscale_transform (GstBaseTransform * trans,
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GstBuffer * in, GstBuffer * out)
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gst_pixbufscale_transform_frame (GstVideoFilter * filter,
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GstVideoFrame * in, GstVideoFrame * out)
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{
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GstPixbufScale *scale;
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GdkPixbuf *src_pixbuf, *dest_pixbuf;
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scale = GST_PIXBUFSCALE (trans);
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scale = GST_PIXBUFSCALE (filter);
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src_pixbuf =
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gdk_pixbuf_new_from_data (GST_BUFFER_DATA (in), GDK_COLORSPACE_RGB, FALSE,
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8, scale->from_width, scale->from_height,
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GST_RGB24_ROWSTRIDE (scale->from_width), NULL, NULL);
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gdk_pixbuf_new_from_data (GST_VIDEO_FRAME_COMP_DATA (in, 0),
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GDK_COLORSPACE_RGB, FALSE, 8, GST_VIDEO_FRAME_WIDTH (in),
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GST_VIDEO_FRAME_HEIGHT (in),
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GST_VIDEO_FRAME_COMP_STRIDE (in, 0), NULL, NULL);
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dest_pixbuf =
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gdk_pixbuf_new_from_data (GST_BUFFER_DATA (out), GDK_COLORSPACE_RGB,
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FALSE, 8, scale->to_width, scale->to_height,
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GST_RGB24_ROWSTRIDE (scale->to_width), NULL, NULL);
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gdk_pixbuf_new_from_data (GST_VIDEO_FRAME_COMP_DATA (out, 0),
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GDK_COLORSPACE_RGB, FALSE, 8, GST_VIDEO_FRAME_WIDTH (out),
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GST_VIDEO_FRAME_HEIGHT (out),
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GST_VIDEO_FRAME_COMP_STRIDE (out, 0), NULL, NULL);
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gdk_pixbuf_scale (src_pixbuf, dest_pixbuf, 0, 0,
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scale->to_width,
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scale->to_height, 0, 0,
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(double) scale->to_width / scale->from_width,
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(double) scale->to_height / scale->from_height, scale->gdk_method);
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GST_VIDEO_FRAME_WIDTH (out),
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GST_VIDEO_FRAME_HEIGHT (out), 0, 0,
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(double) GST_VIDEO_FRAME_WIDTH (out) / GST_VIDEO_FRAME_WIDTH (in),
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(double) GST_VIDEO_FRAME_HEIGHT (out) / GST_VIDEO_FRAME_HEIGHT (in),
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scale->gdk_method);
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g_object_unref (src_pixbuf);
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g_object_unref (dest_pixbuf);
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@ -431,14 +396,14 @@ gst_pixbufscale_transform (GstBaseTransform * trans,
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}
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static gboolean
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gst_pixbufscale_handle_src_event (GstPad * pad, GstEvent * event)
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gst_pixbufscale_handle_src_event (GstBaseTransform * trans, GstEvent * event)
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{
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GstPixbufScale *pixbufscale;
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gboolean ret;
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double a;
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GstStructure *structure;
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pixbufscale = GST_PIXBUFSCALE (gst_pad_get_parent (pad));
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pixbufscale = GST_PIXBUFSCALE (trans);
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GST_DEBUG_OBJECT (pixbufscale, "handling %s event",
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GST_EVENT_TYPE_NAME (event));
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@ -462,9 +427,7 @@ gst_pixbufscale_handle_src_event (GstPad * pad, GstEvent * event)
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break;
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}
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ret = gst_pad_event_default (pad, event);
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gst_object_unref (pixbufscale);
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ret = GST_BASE_TRANSFORM_CLASS (parent_class)->src_event (trans, event);
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return ret;
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}
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@ -25,6 +25,8 @@
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#include <gst/gst.h>
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#include <gst/base/gstbasetransform.h>
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#include <gst/video/gstvideofilter.h>
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#include <gdk-pixbuf/gdk-pixbuf.h>
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G_BEGIN_DECLS
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@ -52,7 +54,7 @@ typedef struct _GstPixbufScale GstPixbufScale;
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typedef struct _GstPixbufScaleClass GstPixbufScaleClass;
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struct _GstPixbufScale {
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GstBaseTransform element;
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GstVideoFilter element;
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/* video state */
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gint to_width;
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@ -72,7 +74,7 @@ struct _GstPixbufScale {
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};
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struct _GstPixbufScaleClass {
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GstBaseTransformClass parent_class;
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GstVideoFilterClass parent_class;
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};
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GType gst_pixbufscale_get_type(void);
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