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update for videofilter changes
This commit is contained in:
Wim Taymans
parent
faab614276
commit
050099ce2d
2 changed files with 17 additions and 50 deletions
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@ -125,13 +125,12 @@ static void gst_zbar_set_property (GObject * object, guint prop_id,
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static void gst_zbar_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static gboolean gst_zbar_set_caps (GstBaseTransform * base, GstCaps * incaps,
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GstCaps * outcaps);
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static GstFlowReturn gst_zbar_transform_ip (GstBaseTransform * transform,
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GstBuffer * buf);
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static gboolean gst_zbar_start (GstBaseTransform * base);
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static gboolean gst_zbar_stop (GstBaseTransform * base);
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static GstFlowReturn gst_zbar_transform_frame_ip (GstVideoFilter * vfilter,
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GstVideoFrame * frame);
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#define gst_zbar_parent_class parent_class
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G_DEFINE_TYPE (GstZBar, gst_zbar, GST_TYPE_VIDEO_FILTER);
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@ -141,10 +140,12 @@ gst_zbar_class_init (GstZBarClass * g_class)
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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GstBaseTransformClass *trans_class;
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GstVideoFilterClass *vfilter_class;
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gobject_class = G_OBJECT_CLASS (g_class);
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gstelement_class = GST_ELEMENT_CLASS (g_class);
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trans_class = GST_BASE_TRANSFORM_CLASS (g_class);
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vfilter_class = GST_VIDEO_FILTER_CLASS (g_class);
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gobject_class->set_property = gst_zbar_set_property;
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gobject_class->get_property = gst_zbar_get_property;
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@ -172,10 +173,11 @@ gst_zbar_class_init (GstZBarClass * g_class)
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&gst_zbar_src_template));
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trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_zbar_set_caps);
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trans_class->transform_ip = GST_DEBUG_FUNCPTR (gst_zbar_transform_ip);
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trans_class->start = GST_DEBUG_FUNCPTR (gst_zbar_start);
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trans_class->stop = GST_DEBUG_FUNCPTR (gst_zbar_stop);
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vfilter_class->transform_frame_ip =
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GST_DEBUG_FUNCPTR (gst_zbar_transform_frame_ip);
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}
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static void
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@ -241,53 +243,26 @@ gst_zbar_get_property (GObject * object, guint prop_id, GValue * value,
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}
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}
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static gboolean
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gst_zbar_set_caps (GstBaseTransform * base, GstCaps * incaps, GstCaps * outcaps)
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{
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GstZBar *zbar = GST_ZBAR (base);
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GstVideoInfo info;
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GST_DEBUG_OBJECT (zbar,
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"set_caps: in %" GST_PTR_FORMAT " out %" GST_PTR_FORMAT, incaps, outcaps);
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if (!gst_video_info_from_caps (&info, incaps))
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goto invalid_caps;
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zbar->info = info;
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return TRUE;
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/* ERRORS */
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invalid_caps:
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{
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GST_ERROR_OBJECT (zbar, "invalid caps received");
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return FALSE;
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}
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}
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static GstFlowReturn
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gst_zbar_transform_ip (GstBaseTransform * base, GstBuffer * outbuf)
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gst_zbar_transform_frame_ip (GstVideoFilter * vfilter, GstVideoFrame * frame)
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{
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GstZBar *zbar = GST_ZBAR (base);
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GstZBar *zbar = GST_ZBAR (vfilter);
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gpointer data;
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gint stride, height;
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zbar_image_t *image;
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GstVideoFrame frame;
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const zbar_symbol_t *symbol;
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int n;
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if (base->passthrough)
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if (GST_BASE_TRANSFORM (vfilter)->passthrough)
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goto done;
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gst_video_frame_map (&frame, &zbar->info, outbuf, GST_MAP_READ);
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image = zbar_image_create ();
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/* all formats we support start with an 8-bit Y plane. zbar doesn't need
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* to know about the chroma plane(s) */
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data = GST_VIDEO_FRAME_COMP_DATA (&frame, 0);
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stride = GST_VIDEO_FRAME_COMP_STRIDE (&frame, 0);
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height = GST_VIDEO_FRAME_HEIGHT (&frame);
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data = GST_VIDEO_FRAME_COMP_DATA (frame, 0);
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stride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 0);
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height = GST_VIDEO_FRAME_HEIGHT (frame);
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zbar_image_set_format (image, GST_MAKE_FOURCC ('Y', '8', '0', '0'));
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zbar_image_set_size (image, stride, height);
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@ -317,7 +292,7 @@ gst_zbar_transform_ip (GstBaseTransform * base, GstBuffer * outbuf)
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/* post a message */
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s = gst_structure_new ("barcode",
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"timestamp", G_TYPE_UINT64, GST_BUFFER_TIMESTAMP (outbuf),
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"timestamp", G_TYPE_UINT64, GST_BUFFER_TIMESTAMP (frame->buffer),
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"type", G_TYPE_STRING, zbar_get_symbol_name (typ),
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"symbol", G_TYPE_STRING, data, "quality", G_TYPE_INT, quality, NULL);
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m = gst_message_new_element (GST_OBJECT (zbar), s);
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@ -327,14 +302,11 @@ gst_zbar_transform_ip (GstBaseTransform * base, GstBuffer * outbuf)
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out:
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/* clean up */
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gst_video_frame_unmap (&frame);
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zbar_image_scanner_recycle_image (zbar->scanner, image);
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zbar_image_destroy (image);
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done:
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return GST_FLOW_OK;
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/* ERRORS */
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}
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static gboolean
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@ -342,8 +314,6 @@ gst_zbar_start (GstBaseTransform * base)
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{
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GstZBar *zbar = GST_ZBAR (base);
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gst_video_info_init (&zbar->info);
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/* start the cache if enabled (e.g. for filtering dupes) */
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zbar_image_scanner_enable_cache (zbar->scanner, zbar->cache);
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@ -21,8 +21,8 @@
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#ifndef __GST_VIDEO_ZBAR_H__
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#define __GST_VIDEO_ZBAR_H__
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#include <gst/video/gstvideofilter.h>
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#include <gst/video/video.h>
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#include <gst/video/gstvideofilter.h>
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#include <zbar.h>
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G_BEGIN_DECLS
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@ -51,13 +51,10 @@ struct _GstZBar
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/*< private >*/
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GstVideoFilter videofilter;
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/* format */
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GstVideoInfo info;
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/* properties */
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gboolean message;
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gboolean cache;
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/* internals */
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zbar_image_scanner_t *scanner;
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};
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