mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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videocrop: port to videofilter
This commit is contained in:
Wim Taymans
parent
3ef7c8ab93
commit
5ec642d0c3
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@ -95,7 +95,7 @@ static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
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);
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#define gst_video_crop_parent_class parent_class
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G_DEFINE_TYPE (GstVideoCrop, gst_video_crop, GST_TYPE_BASE_TRANSFORM);
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G_DEFINE_TYPE (GstVideoCrop, gst_video_crop, GST_TYPE_VIDEO_FILTER);
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static void gst_video_crop_finalize (GObject * object);
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@ -106,15 +106,14 @@ static void gst_video_crop_get_property (GObject * object, guint prop_id,
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static GstCaps *gst_video_crop_transform_caps (GstBaseTransform * trans,
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GstPadDirection direction, GstCaps * caps, GstCaps * filter_caps);
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static GstFlowReturn gst_video_crop_transform (GstBaseTransform * trans,
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GstBuffer * inbuf, GstBuffer * outbuf);
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static gboolean gst_video_crop_get_unit_size (GstBaseTransform * trans,
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GstCaps * caps, gsize * size);
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static gboolean gst_video_crop_set_caps (GstBaseTransform * trans,
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GstCaps * in_caps, GstCaps * outcaps);
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static gboolean gst_video_crop_src_event (GstBaseTransform * trans,
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GstEvent * event);
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static gboolean gst_video_crop_set_info (GstVideoFilter * vfilter, GstCaps * in,
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GstVideoInfo * in_info, GstCaps * out, GstVideoInfo * out_info);
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static GstFlowReturn gst_video_crop_transform_frame (GstVideoFilter * vfilter,
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GstVideoFrame * in_frame, GstVideoFrame * out_frame);
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static gboolean
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gst_video_crop_src_event (GstBaseTransform * trans, GstEvent * event)
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{
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@ -168,10 +167,12 @@ gst_video_crop_class_init (GstVideoCropClass * klass)
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GObjectClass *gobject_class;
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GstElementClass *element_class;
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GstBaseTransformClass *basetransform_class;
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GstVideoFilterClass *vfilter_class;
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gobject_class = (GObjectClass *) klass;
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element_class = (GstElementClass *) klass;
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basetransform_class = (GstBaseTransformClass *) klass;
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vfilter_class = (GstVideoFilterClass *) klass;
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gobject_class->finalize = gst_video_crop_finalize;
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gobject_class->set_property = gst_video_crop_set_property;
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@ -199,15 +200,13 @@ gst_video_crop_class_init (GstVideoCropClass * klass)
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"Crops video into a user-defined region",
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"Tim-Philipp Müller <tim centricular net>");
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basetransform_class->transform = GST_DEBUG_FUNCPTR (gst_video_crop_transform);
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basetransform_class->transform_caps =
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GST_DEBUG_FUNCPTR (gst_video_crop_transform_caps);
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basetransform_class->set_caps = GST_DEBUG_FUNCPTR (gst_video_crop_set_caps);
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basetransform_class->get_unit_size =
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GST_DEBUG_FUNCPTR (gst_video_crop_get_unit_size);
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basetransform_class->passthrough_on_same_caps = FALSE;
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basetransform_class->src_event = GST_DEBUG_FUNCPTR (gst_video_crop_src_event);
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vfilter_class->set_info = GST_DEBUG_FUNCPTR (gst_video_crop_set_info);
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vfilter_class->transform_frame =
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GST_DEBUG_FUNCPTR (gst_video_crop_transform_frame);
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}
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static void
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@ -233,256 +232,159 @@ gst_video_crop_finalize (GObject * object)
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static gboolean
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gst_video_crop_get_image_details_from_caps (GstVideoCrop * vcrop,
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GstVideoCropImageDetails * details, GstCaps * caps)
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{
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gst_video_info_init (&details->info);
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if (!gst_video_info_from_caps (&details->info, caps)) {
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goto incomplete_format;
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}
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if (details->info.width == 0 && details->info.height == 0) {
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goto incomplete_format;
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}
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if (GST_VIDEO_INFO_IS_RGB (&details->info)
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|| GST_VIDEO_INFO_IS_GRAY (&details->info)) {
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details->packing = VIDEO_CROP_PIXEL_FORMAT_PACKED_SIMPLE;
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} else {
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switch (GST_VIDEO_INFO_FORMAT (&details->info)) {
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case GST_VIDEO_FORMAT_AYUV:
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details->packing = VIDEO_CROP_PIXEL_FORMAT_PACKED_SIMPLE;
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break;
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case GST_VIDEO_FORMAT_YVYU:
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case GST_VIDEO_FORMAT_YUY2:
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case GST_VIDEO_FORMAT_UYVY:
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details->packing = VIDEO_CROP_PIXEL_FORMAT_PACKED_COMPLEX;
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if (GST_VIDEO_INFO_FORMAT (&details->info) == GST_VIDEO_FORMAT_UYVY) {
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/* UYVY = 4:2:2 - [U0 Y0 V0 Y1] [U2 Y2 V2 Y3] [U4 Y4 V4 Y5] */
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details->macro_y_off = 1;
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} else {
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/* YUYV = 4:2:2 - [Y0 U0 Y1 V0] [Y2 U2 Y3 V2] [Y4 U4 Y5 V4] = YUY2 */
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details->macro_y_off = 0;
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}
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break;
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case GST_VIDEO_FORMAT_GRAY8:
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details->packing = VIDEO_CROP_PIXEL_FORMAT_PACKED_SIMPLE;
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break;
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case GST_VIDEO_FORMAT_I420:
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case GST_VIDEO_FORMAT_YV12:
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details->packing = VIDEO_CROP_PIXEL_FORMAT_PLANAR;
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break;
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default:
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goto unknown_format;
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}
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}
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return TRUE;
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/* ERRORS */
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unknown_format:
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{
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GST_ELEMENT_ERROR (vcrop, STREAM, NOT_IMPLEMENTED, (NULL),
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("Unsupported format"));
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return FALSE;
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}
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incomplete_format:
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{
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GST_ELEMENT_ERROR (vcrop, CORE, NEGOTIATION, (NULL),
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("Incomplete caps, some required field is missing"));
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return FALSE;
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}
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}
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static gboolean
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gst_video_crop_get_unit_size (GstBaseTransform * trans, GstCaps * caps,
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gsize * size)
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{
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GstVideoCropImageDetails img_details = { 0, };
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GstVideoCrop *vcrop = GST_VIDEO_CROP (trans);
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if (!gst_video_crop_get_image_details_from_caps (vcrop, &img_details, caps))
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return FALSE;
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*size = GST_VIDEO_INFO_SIZE (&img_details.info);
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return TRUE;
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}
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#define ROUND_DOWN_2(n) ((n)&(~1))
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static void
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gst_video_crop_transform_packed_complex (GstVideoCrop * vcrop,
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GstBuffer * inbuf, GstBuffer * outbuf)
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GstVideoFrame * in_frame, GstVideoFrame * out_frame)
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{
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GstMapInfo in_map, out_map;
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guint8 *in_data, *out_data;
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guint i, dx;
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gint width, height;
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gint in_stride;
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gint out_stride;
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gst_buffer_map (inbuf, &in_map, GST_MAP_READ);
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gst_buffer_map (outbuf, &out_map, GST_MAP_WRITE);
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width = GST_VIDEO_FRAME_WIDTH (out_frame);
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height = GST_VIDEO_FRAME_HEIGHT (out_frame);
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in_data = in_map.data;
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out_data = out_map.data;
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in_data = GST_VIDEO_FRAME_PLANE_DATA (in_frame, 0);
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out_data = GST_VIDEO_FRAME_PLANE_DATA (out_frame, 0);
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in_stride = GST_VIDEO_INFO_PLANE_STRIDE (&vcrop->in.info, 0);
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out_stride = GST_VIDEO_INFO_PLANE_STRIDE (&vcrop->out.info, 0);
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in_stride = GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 0);
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out_stride = GST_VIDEO_FRAME_PLANE_STRIDE (out_frame, 0);
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in_data += vcrop->crop_top * in_stride;
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/* rounding down here so we end up at the start of a macro-pixel and not
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* in the middle of one */
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in_data +=
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ROUND_DOWN_2 (vcrop->crop_left) *
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GST_VIDEO_INFO_COMP_PSTRIDE (&vcrop->in.info, 0);
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in_data += ROUND_DOWN_2 (vcrop->crop_left) *
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GST_VIDEO_FRAME_COMP_PSTRIDE (in_frame, 0);
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dx = GST_VIDEO_INFO_WIDTH (&vcrop->out.info) *
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GST_VIDEO_INFO_COMP_PSTRIDE (&vcrop->out.info, 0);
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dx = width * GST_VIDEO_FRAME_COMP_PSTRIDE (out_frame, 0);
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/* UYVY = 4:2:2 - [U0 Y0 V0 Y1] [U2 Y2 V2 Y3] [U4 Y4 V4 Y5]
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* YUYV = 4:2:2 - [Y0 U0 Y1 V0] [Y2 U2 Y3 V2] [Y4 U4 Y5 V4] = YUY2 */
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if ((vcrop->crop_left % 2) != 0) {
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for (i = 0; i < GST_VIDEO_INFO_HEIGHT (&vcrop->out.info); ++i) {
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for (i = 0; i < height; ++i) {
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gint j;
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memcpy (out_data, in_data, dx);
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/* move just the Y samples one pixel to the left, don't worry about
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* chroma shift */
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for (j = vcrop->in.macro_y_off; j < out_stride - 2; j += 2)
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for (j = vcrop->macro_y_off; j < out_stride - 2; j += 2)
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out_data[j] = in_data[j + 2];
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in_data += in_stride;
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out_data += out_stride;
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}
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} else {
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for (i = 0; i < GST_VIDEO_INFO_HEIGHT (&vcrop->out.info); ++i) {
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for (i = 0; i < height; ++i) {
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memcpy (out_data, in_data, dx);
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in_data += in_stride;
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out_data += out_stride;
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}
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}
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gst_buffer_unmap (inbuf, &in_map);
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gst_buffer_unmap (outbuf, &out_map);
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}
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static void
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gst_video_crop_transform_packed_simple (GstVideoCrop * vcrop,
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GstBuffer * inbuf, GstBuffer * outbuf)
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GstVideoFrame * in_frame, GstVideoFrame * out_frame)
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{
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GstMapInfo in_map, out_map;
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guint8 *in_data, *out_data;
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gint width, height;
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guint i, dx;
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gint in_stride, out_stride;
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gst_buffer_map (inbuf, &in_map, GST_MAP_READ);
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gst_buffer_map (outbuf, &out_map, GST_MAP_WRITE);
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width = GST_VIDEO_FRAME_WIDTH (out_frame);
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height = GST_VIDEO_FRAME_HEIGHT (out_frame);
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in_data = in_map.data;
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out_data = out_map.data;
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in_data = GST_VIDEO_FRAME_PLANE_DATA (in_frame, 0);
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out_data = GST_VIDEO_FRAME_PLANE_DATA (out_frame, 0);
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in_stride = GST_VIDEO_INFO_PLANE_STRIDE (&vcrop->in.info, 0);
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out_stride = GST_VIDEO_INFO_PLANE_STRIDE (&vcrop->out.info, 0);
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in_stride = GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 0);
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out_stride = GST_VIDEO_FRAME_PLANE_STRIDE (out_frame, 0);
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in_data += vcrop->crop_top * in_stride;
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in_data +=
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vcrop->crop_left * GST_VIDEO_INFO_COMP_PSTRIDE (&vcrop->in.info, 0);
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in_data += vcrop->crop_left * GST_VIDEO_FRAME_COMP_PSTRIDE (in_frame, 0);
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dx = GST_VIDEO_INFO_WIDTH (&vcrop->out.info) *
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GST_VIDEO_INFO_COMP_PSTRIDE (&vcrop->out.info, 0);
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dx = width * GST_VIDEO_FRAME_COMP_PSTRIDE (out_frame, 0);
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for (i = 0; i < GST_VIDEO_INFO_HEIGHT (&vcrop->out.info); ++i) {
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for (i = 0; i < height; ++i) {
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memcpy (out_data, in_data, dx);
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in_data += in_stride;
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out_data += out_stride;
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}
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gst_buffer_unmap (inbuf, &in_map);
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gst_buffer_unmap (outbuf, &out_map);
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}
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static void
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gst_video_crop_transform_planar (GstVideoCrop * vcrop, GstBuffer * inbuf,
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GstBuffer * outbuf)
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gst_video_crop_transform_planar (GstVideoCrop * vcrop,
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GstVideoFrame * in_frame, GstVideoFrame * out_frame)
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{
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GstMapInfo in_map, out_map;
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gint width, height;
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guint8 *y_out, *u_out, *v_out;
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guint8 *y_in, *u_in, *v_in;
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guint i, dx;
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gst_buffer_map (inbuf, &in_map, GST_MAP_READ);
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gst_buffer_map (outbuf, &out_map, GST_MAP_WRITE);
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width = GST_VIDEO_FRAME_WIDTH (out_frame);
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height = GST_VIDEO_FRAME_HEIGHT (out_frame);
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/* Y plane */
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y_in = in_map.data;
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y_out = out_map.data;
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y_in = GST_VIDEO_FRAME_PLANE_DATA (in_frame, 0);
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y_out = GST_VIDEO_FRAME_PLANE_DATA (out_frame, 0);
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y_in +=
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(vcrop->crop_top * GST_VIDEO_INFO_PLANE_STRIDE (&vcrop->in.info,
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(vcrop->crop_top * GST_VIDEO_FRAME_PLANE_STRIDE (in_frame,
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0)) + vcrop->crop_left;
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dx = GST_VIDEO_INFO_WIDTH (&vcrop->out.info) * 1;
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dx = width;
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for (i = 0; i < GST_VIDEO_INFO_HEIGHT (&vcrop->out.info); ++i) {
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for (i = 0; i < height; ++i) {
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memcpy (y_out, y_in, dx);
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y_in += GST_VIDEO_INFO_PLANE_STRIDE (&vcrop->in.info, 0);
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y_out += GST_VIDEO_INFO_PLANE_STRIDE (&vcrop->out.info, 0);
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y_in += GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 0);
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y_out += GST_VIDEO_FRAME_PLANE_STRIDE (out_frame, 0);
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}
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/* U + V planes */
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u_in =
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(guint8 *) in_map.data + GST_VIDEO_INFO_PLANE_OFFSET (&vcrop->in.info, 1);
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u_out =
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(guint8 *) out_map.data + GST_VIDEO_INFO_PLANE_OFFSET (&vcrop->out.info,
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1);
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u_in = GST_VIDEO_FRAME_PLANE_DATA (in_frame, 1);
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u_out = GST_VIDEO_FRAME_PLANE_DATA (out_frame, 1);
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u_in +=
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(vcrop->crop_top / 2) * GST_VIDEO_INFO_PLANE_STRIDE (&vcrop->in.info, 1);
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u_in += (vcrop->crop_top / 2) * GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 1);
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u_in += vcrop->crop_left / 2;
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v_in =
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(guint8 *) in_map.data + GST_VIDEO_INFO_PLANE_OFFSET (&vcrop->in.info, 2);
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v_out =
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(guint8 *) out_map.data + GST_VIDEO_INFO_PLANE_OFFSET (&vcrop->out.info,
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2);
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v_in = GST_VIDEO_FRAME_PLANE_DATA (in_frame, 2);
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v_out = GST_VIDEO_FRAME_PLANE_DATA (out_frame, 2);
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v_in +=
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(vcrop->crop_top / 2) * GST_VIDEO_INFO_PLANE_STRIDE (&vcrop->in.info, 2);
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v_in += (vcrop->crop_top / 2) * GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 2);
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v_in += vcrop->crop_left / 2;
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dx = GST_ROUND_UP_2 (GST_VIDEO_INFO_WIDTH (&vcrop->out.info)) / 2;
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dx = GST_ROUND_UP_2 (width) / 2;
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for (i = 0; i < GST_ROUND_UP_2 (GST_VIDEO_INFO_HEIGHT (&vcrop->out.info)) / 2;
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++i) {
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for (i = 0; i < GST_ROUND_UP_2 (height) / 2; ++i) {
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memcpy (u_out, u_in, dx);
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memcpy (v_out, v_in, dx);
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u_in += GST_VIDEO_INFO_PLANE_STRIDE (&vcrop->in.info, 1);
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u_out += GST_VIDEO_INFO_PLANE_STRIDE (&vcrop->out.info, 1);
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v_in += GST_VIDEO_INFO_PLANE_STRIDE (&vcrop->in.info, 2);
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v_out += GST_VIDEO_INFO_PLANE_STRIDE (&vcrop->out.info, 2);
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u_in += GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 1);
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u_out += GST_VIDEO_FRAME_PLANE_STRIDE (out_frame, 1);
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v_in += GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 2);
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v_out += GST_VIDEO_FRAME_PLANE_STRIDE (out_frame, 2);
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}
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gst_buffer_unmap (inbuf, &in_map);
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gst_buffer_unmap (outbuf, &out_map);
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}
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static GstFlowReturn
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gst_video_crop_transform (GstBaseTransform * trans, GstBuffer * inbuf,
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GstBuffer * outbuf)
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gst_video_crop_transform_frame (GstVideoFilter * vfilter,
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GstVideoFrame * in_frame, GstVideoFrame * out_frame)
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{
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GstVideoCrop *vcrop = GST_VIDEO_CROP (trans);
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GstVideoCrop *vcrop = GST_VIDEO_CROP (vfilter);
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g_mutex_lock (&vcrop->lock);
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switch (vcrop->in.packing) {
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switch (vcrop->packing) {
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case VIDEO_CROP_PIXEL_FORMAT_PACKED_SIMPLE:
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gst_video_crop_transform_packed_simple (vcrop, inbuf, outbuf);
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gst_video_crop_transform_packed_simple (vcrop, in_frame, out_frame);
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break;
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case VIDEO_CROP_PIXEL_FORMAT_PACKED_COMPLEX:
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gst_video_crop_transform_packed_complex (vcrop, inbuf, outbuf);
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gst_video_crop_transform_packed_complex (vcrop, in_frame, out_frame);
|
||||
break;
|
||||
case VIDEO_CROP_PIXEL_FORMAT_PLANAR:
|
||||
gst_video_crop_transform_planar (vcrop, inbuf, outbuf);
|
||||
gst_video_crop_transform_planar (vcrop, in_frame, out_frame);
|
||||
break;
|
||||
default:
|
||||
g_assert_not_reached ();
|
||||
|
|
@ -620,28 +522,22 @@ gst_video_crop_transform_caps (GstBaseTransform * trans,
|
|||
}
|
||||
|
||||
static gboolean
|
||||
gst_video_crop_set_caps (GstBaseTransform * trans, GstCaps * incaps,
|
||||
GstCaps * outcaps)
|
||||
gst_video_crop_set_info (GstVideoFilter * vfilter, GstCaps * in,
|
||||
GstVideoInfo * in_info, GstCaps * out, GstVideoInfo * out_info)
|
||||
{
|
||||
GstVideoCrop *crop = GST_VIDEO_CROP (trans);
|
||||
|
||||
if (!gst_video_crop_get_image_details_from_caps (crop, &crop->in, incaps))
|
||||
goto wrong_input;
|
||||
|
||||
if (!gst_video_crop_get_image_details_from_caps (crop, &crop->out, outcaps))
|
||||
goto wrong_output;
|
||||
GstVideoCrop *crop = GST_VIDEO_CROP (vfilter);
|
||||
|
||||
if (G_UNLIKELY ((crop->crop_left + crop->crop_right) >=
|
||||
GST_VIDEO_INFO_WIDTH (&crop->in.info)
|
||||
GST_VIDEO_INFO_WIDTH (in_info)
|
||||
|| (crop->crop_top + crop->crop_bottom) >=
|
||||
GST_VIDEO_INFO_HEIGHT (&crop->in.info)))
|
||||
GST_VIDEO_INFO_HEIGHT (in_info)))
|
||||
goto cropping_too_much;
|
||||
|
||||
GST_LOG_OBJECT (crop, "incaps = %" GST_PTR_FORMAT ", outcaps = %"
|
||||
GST_PTR_FORMAT, incaps, outcaps);
|
||||
GST_PTR_FORMAT, in, out);
|
||||
|
||||
if ((crop->crop_left | crop->crop_right | crop->
|
||||
crop_top | crop->crop_bottom) == 0) {
|
||||
if ((crop->crop_left | crop->crop_right | crop->crop_top | crop->
|
||||
crop_bottom) == 0) {
|
||||
GST_LOG_OBJECT (crop, "we are using passthrough");
|
||||
gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (crop), TRUE);
|
||||
} else {
|
||||
|
|
@ -649,26 +545,51 @@ gst_video_crop_set_caps (GstBaseTransform * trans, GstCaps * incaps,
|
|||
gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (crop), FALSE);
|
||||
}
|
||||
|
||||
if (GST_VIDEO_INFO_IS_RGB (in_info)
|
||||
|| GST_VIDEO_INFO_IS_GRAY (in_info)) {
|
||||
crop->packing = VIDEO_CROP_PIXEL_FORMAT_PACKED_SIMPLE;
|
||||
} else {
|
||||
switch (GST_VIDEO_INFO_FORMAT (in_info)) {
|
||||
case GST_VIDEO_FORMAT_AYUV:
|
||||
crop->packing = VIDEO_CROP_PIXEL_FORMAT_PACKED_SIMPLE;
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_YVYU:
|
||||
case GST_VIDEO_FORMAT_YUY2:
|
||||
case GST_VIDEO_FORMAT_UYVY:
|
||||
crop->packing = VIDEO_CROP_PIXEL_FORMAT_PACKED_COMPLEX;
|
||||
if (GST_VIDEO_INFO_FORMAT (in_info) == GST_VIDEO_FORMAT_UYVY) {
|
||||
/* UYVY = 4:2:2 - [U0 Y0 V0 Y1] [U2 Y2 V2 Y3] [U4 Y4 V4 Y5] */
|
||||
crop->macro_y_off = 1;
|
||||
} else {
|
||||
/* YUYV = 4:2:2 - [Y0 U0 Y1 V0] [Y2 U2 Y3 V2] [Y4 U4 Y5 V4] = YUY2 */
|
||||
crop->macro_y_off = 0;
|
||||
}
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_GRAY8:
|
||||
crop->packing = VIDEO_CROP_PIXEL_FORMAT_PACKED_SIMPLE;
|
||||
break;
|
||||
case GST_VIDEO_FORMAT_I420:
|
||||
case GST_VIDEO_FORMAT_YV12:
|
||||
crop->packing = VIDEO_CROP_PIXEL_FORMAT_PLANAR;
|
||||
break;
|
||||
default:
|
||||
goto unknown_format;
|
||||
}
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
|
||||
/* ERROR */
|
||||
wrong_input:
|
||||
{
|
||||
GST_DEBUG_OBJECT (crop, "failed to parse input caps %" GST_PTR_FORMAT,
|
||||
incaps);
|
||||
return FALSE;
|
||||
}
|
||||
wrong_output:
|
||||
{
|
||||
GST_DEBUG_OBJECT (crop, "failed to parse output caps %" GST_PTR_FORMAT,
|
||||
outcaps);
|
||||
return FALSE;
|
||||
}
|
||||
cropping_too_much:
|
||||
{
|
||||
GST_DEBUG_OBJECT (crop, "we are cropping too much");
|
||||
return FALSE;
|
||||
}
|
||||
unknown_format:
|
||||
{
|
||||
GST_DEBUG_OBJECT (crop, "Unsupported format");
|
||||
return FALSE;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
|
|||
|
|
@ -20,7 +20,7 @@
|
|||
#ifndef __GST_VIDEO_CROP_H__
|
||||
#define __GST_VIDEO_CROP_H__
|
||||
|
||||
#include <gst/base/gstbasetransform.h>
|
||||
#include <gst/video/gstvideofilter.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
|
|
@ -42,23 +42,13 @@ typedef enum {
|
|||
} VideoCropPixelFormat;
|
||||
|
||||
typedef struct _GstVideoCropImageDetails GstVideoCropImageDetails;
|
||||
struct _GstVideoCropImageDetails
|
||||
{
|
||||
/*< private >*/
|
||||
VideoCropPixelFormat packing;
|
||||
|
||||
GstVideoInfo info;
|
||||
|
||||
/* for packed RGB and YUV */
|
||||
guint8 macro_y_off; /* for YUY2, YVYU, UYVY, Y offset within macropixel in bytes */
|
||||
};
|
||||
|
||||
typedef struct _GstVideoCrop GstVideoCrop;
|
||||
typedef struct _GstVideoCropClass GstVideoCropClass;
|
||||
|
||||
struct _GstVideoCrop
|
||||
{
|
||||
GstBaseTransform basetransform;
|
||||
GstVideoFilter parent;
|
||||
|
||||
/*< private >*/
|
||||
gint crop_left;
|
||||
|
|
@ -66,15 +56,15 @@ struct _GstVideoCrop
|
|||
gint crop_top;
|
||||
gint crop_bottom;
|
||||
|
||||
GstVideoCropImageDetails in; /* details of input image */
|
||||
GstVideoCropImageDetails out; /* details of output image */
|
||||
VideoCropPixelFormat packing;
|
||||
gint macro_y_off;
|
||||
|
||||
GMutex lock;
|
||||
};
|
||||
|
||||
struct _GstVideoCropClass
|
||||
{
|
||||
GstBaseTransformClass basetransform_class;
|
||||
GstVideoFilterClass parent_class;
|
||||
};
|
||||
|
||||
GType gst_video_crop_get_type (void);
|
||||
|
|
|
|||
Loading…
Reference in a new issue