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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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videoflip: Some random cleanup
This commit is contained in:
Sebastian Dröge
parent
1584d16b1c
commit
8c4aeb2eac
2 changed files with 36 additions and 86 deletions
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@ -45,17 +45,19 @@
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#include "gstvideoflip.h"
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#include <string.h>
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#include <gst/gst.h>
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#include <gst/video/video.h>
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/* GstVideoFlip signals and args */
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/* GstVideoFlip properties */
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enum
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{
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ARG_0,
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ARG_METHOD
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PROP_0,
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PROP_METHOD
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/* FILL ME */
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};
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#define PROP_METHOD_DEFAULT GST_VIDEO_FLIP_METHOD_90R
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GST_DEBUG_CATEGORY_STATIC (video_flip_debug);
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#define GST_CAT_DEFAULT video_flip_debug
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@ -73,8 +75,6 @@ GST_STATIC_PAD_TEMPLATE ("sink",
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("{ IYUV, I420, YV12 }"))
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);
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static GstVideoFilterClass *parent_class = NULL;
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#define GST_TYPE_VIDEO_FLIP_METHOD (gst_video_flip_method_get_type())
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static GType
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@ -103,16 +103,17 @@ gst_video_flip_method_get_type (void)
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return video_flip_method_type;
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}
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GST_BOILERPLATE (GstVideoFlip, gst_video_flip, GstVideoFilter,
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GST_TYPE_VIDEO_FILTER);
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static gboolean
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gst_video_flip_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
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GstCaps * outcaps)
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{
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GstVideoFlip *vf;
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GstVideoFlip *vf = GST_VIDEO_FLIP (btrans);
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GstStructure *in_s, *out_s;
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gboolean ret = FALSE;
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vf = GST_VIDEO_FLIP (btrans);
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in_s = gst_caps_get_structure (incaps, 0);
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out_s = gst_caps_get_structure (outcaps, 0);
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@ -164,12 +165,10 @@ static GstCaps *
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gst_video_flip_transform_caps (GstBaseTransform * trans,
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GstPadDirection direction, GstCaps * caps)
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{
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GstVideoFlip *videoflip;
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GstVideoFlip *videoflip = GST_VIDEO_FLIP (trans);
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GstCaps *ret;
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gint width, height, i;
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videoflip = GST_VIDEO_FLIP (trans);
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ret = gst_caps_copy (caps);
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for (i = 0; i < gst_caps_get_size (ret); i++) {
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@ -221,13 +220,11 @@ static gboolean
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gst_video_flip_get_unit_size (GstBaseTransform * btrans, GstCaps * caps,
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guint * size)
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{
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GstVideoFlip *videoflip;
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GstVideoFlip *videoflip = GST_VIDEO_FLIP (btrans);
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GstStructure *structure;
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gboolean ret = FALSE;
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gint width, height;
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videoflip = GST_VIDEO_FLIP (btrans);
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structure = gst_caps_get_structure (caps, 0);
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if (gst_structure_get_int (structure, "width", &width) &&
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@ -243,11 +240,12 @@ gst_video_flip_get_unit_size (GstBaseTransform * btrans, GstCaps * caps,
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static GstFlowReturn
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gst_video_flip_flip (GstVideoFlip * videoflip, guint8 * dest,
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guint8 * src, int sw, int sh, int dw, int dh)
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const guint8 * src, int sw, int sh, int dw, int dh)
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{
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GstFlowReturn ret = GST_FLOW_OK;
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int x, y;
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guint8 *s = src, *d = dest;
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guint8 const *s = src;
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guint8 *d = dest;
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switch (videoflip->method) {
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case GST_VIDEO_FLIP_METHOD_90R:
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@ -458,15 +456,12 @@ static GstFlowReturn
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gst_video_flip_transform (GstBaseTransform * trans, GstBuffer * in,
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GstBuffer * out)
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{
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GstVideoFlip *videoflip;
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gpointer dest, src;
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GstVideoFlip *videoflip = GST_VIDEO_FLIP (trans);
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gpointer dest;
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gconstpointer src;
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int sw, sh, dw, dh;
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GstFlowReturn ret = GST_FLOW_OK;
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videoflip = GST_VIDEO_FLIP (trans);
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gst_buffer_copy_metadata (out, in, GST_BUFFER_COPY_TIMESTAMPS);
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src = GST_BUFFER_DATA (in);
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dest = GST_BUFFER_DATA (out);
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sw = videoflip->from_width;
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@ -483,15 +478,12 @@ gst_video_flip_transform (GstBaseTransform * trans, GstBuffer * in,
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}
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static gboolean
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gst_video_flip_handle_src_event (GstPad * pad, GstEvent * event)
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gst_video_flip_src_event (GstBaseTransform * trans, GstEvent * event)
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{
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GstVideoFlip *vf;
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gboolean ret;
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GstVideoFlip *vf = GST_VIDEO_FLIP (trans);
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gdouble new_x, new_y, x, y;
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GstStructure *structure;
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vf = GST_VIDEO_FLIP (gst_pad_get_parent (pad));
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GST_DEBUG_OBJECT (vf, "handling %s event", GST_EVENT_TYPE_NAME (event));
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switch (GST_EVENT_TYPE (event)) {
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@ -546,24 +538,17 @@ gst_video_flip_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 (vf);
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return ret;
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return TRUE;
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}
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static void
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gst_video_flip_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstVideoFlip *videoflip;
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g_return_if_fail (GST_IS_VIDEO_FLIP (object));
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videoflip = GST_VIDEO_FLIP (object);
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GstVideoFlip *videoflip = GST_VIDEO_FLIP (object);
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switch (prop_id) {
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case ARG_METHOD:
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case PROP_METHOD:
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{
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GstVideoFlipMethod method;
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@ -589,13 +574,10 @@ static void
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gst_video_flip_get_property (GObject * object, guint prop_id, GValue * value,
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GParamSpec * pspec)
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{
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GstVideoFlip *videoflip;
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g_return_if_fail (GST_IS_VIDEO_FLIP (object));
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videoflip = GST_VIDEO_FLIP (object);
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GstVideoFlip *videoflip = GST_VIDEO_FLIP (object);
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switch (prop_id) {
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case ARG_METHOD:
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case PROP_METHOD:
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g_value_set_enum (value, videoflip->method);
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break;
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default:
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@ -620,67 +602,33 @@ gst_video_flip_base_init (gpointer g_class)
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}
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static void
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gst_video_flip_class_init (gpointer klass, gpointer class_data)
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gst_video_flip_class_init (GstVideoFlipClass * klass)
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{
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GObjectClass *gobject_class;
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GstBaseTransformClass *trans_class;
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GObjectClass *gobject_class = (GObjectClass *) klass;
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GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass;
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GST_DEBUG_CATEGORY_INIT (video_flip_debug, "videoflip", 0, "videoflip");
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gobject_class = (GObjectClass *) klass;
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trans_class = (GstBaseTransformClass *) klass;
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parent_class = g_type_class_peek_parent (klass);
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gobject_class->set_property = gst_video_flip_set_property;
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gobject_class->get_property = gst_video_flip_get_property;
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g_object_class_install_property (gobject_class, ARG_METHOD,
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g_object_class_install_property (gobject_class, PROP_METHOD,
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g_param_spec_enum ("method", "method", "method",
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GST_TYPE_VIDEO_FLIP_METHOD, GST_VIDEO_FLIP_METHOD_90R,
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G_PARAM_READWRITE));
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GST_TYPE_VIDEO_FLIP_METHOD, PROP_METHOD_DEFAULT,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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trans_class->transform_caps =
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GST_DEBUG_FUNCPTR (gst_video_flip_transform_caps);
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trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_video_flip_set_caps);
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trans_class->get_unit_size = GST_DEBUG_FUNCPTR (gst_video_flip_get_unit_size);
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trans_class->transform = GST_DEBUG_FUNCPTR (gst_video_flip_transform);
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trans_class->src_event = GST_DEBUG_FUNCPTR (gst_video_flip_src_event);
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}
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static void
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gst_video_flip_init (GTypeInstance * instance, gpointer g_class)
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gst_video_flip_init (GstVideoFlip * videoflip, GstVideoFlipClass * klass)
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{
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GstVideoFlip *videoflip = GST_VIDEO_FLIP (instance);
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GstBaseTransform *btrans = GST_BASE_TRANSFORM (instance);
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GST_DEBUG_OBJECT (videoflip, "gst_video_flip_init");
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videoflip->method = GST_VIDEO_FLIP_METHOD_90R;
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gst_pad_set_event_function (btrans->srcpad,
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GST_DEBUG_FUNCPTR (gst_video_flip_handle_src_event));
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}
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GType
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gst_video_flip_get_type (void)
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{
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static GType video_flip_type = 0;
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if (!video_flip_type) {
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static const GTypeInfo video_flip_info = {
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sizeof (GstVideoFlipClass),
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gst_video_flip_base_init,
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NULL,
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gst_video_flip_class_init,
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NULL,
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NULL,
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sizeof (GstVideoFlip),
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0,
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gst_video_flip_init,
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};
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video_flip_type = g_type_register_static (GST_TYPE_VIDEO_FILTER,
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"GstVideoFlip", &video_flip_info, 0);
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}
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return video_flip_type;
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videoflip->method = PROP_METHOD_DEFAULT;
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}
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@ -20,6 +20,7 @@
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#ifndef __GST_VIDEO_FLIP_H__
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#define __GST_VIDEO_FLIP_H__
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#include <gst/gst.h>
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#include <gst/video/gstvideofilter.h>
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G_BEGIN_DECLS
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@ -70,6 +71,7 @@ typedef struct _GstVideoFlipClass GstVideoFlipClass;
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struct _GstVideoFlip {
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GstVideoFilter videofilter;
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/* < private > */
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gint from_width, from_height;
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gint to_width, to_height;
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