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Diffstat (limited to 'gst/videocrop/gstvideocrop.h')
-rw-r--r-- | gst/videocrop/gstvideocrop.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/gst/videocrop/gstvideocrop.h b/gst/videocrop/gstvideocrop.h new file mode 100644 index 0000000..477f21b --- /dev/null +++ b/gst/videocrop/gstvideocrop.h @@ -0,0 +1,92 @@ +/* GStreamer video frame cropping + * Copyright (C) 2006 Tim-Philipp Müller <tim centricular net> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __GST_VIDEO_CROP_H__ +#define __GST_VIDEO_CROP_H__ + +#include <gst/base/gstbasetransform.h> + +G_BEGIN_DECLS + +#define GST_TYPE_VIDEO_CROP \ + (gst_video_crop_get_type()) +#define GST_VIDEO_CROP(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VIDEO_CROP,GstVideoCrop)) +#define GST_VIDEO_CROP_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VIDEO_CROP,GstVideoCropClass)) +#define GST_IS_VIDEO_CROP(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VIDEO_CROP)) +#define GST_IS_VIDEO_CROP_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VIDEO_CROP)) + +typedef enum { + VIDEO_CROP_PIXEL_FORMAT_PACKED_SIMPLE = 0, /* RGBx, AYUV */ + VIDEO_CROP_PIXEL_FORMAT_PACKED_COMPLEX, /* UYVY, YVYU */ + VIDEO_CROP_PIXEL_FORMAT_PLANAR /* I420, YV12 */ +} VideoCropPixelFormat; + +typedef struct _GstVideoCropImageDetails GstVideoCropImageDetails; +struct _GstVideoCropImageDetails +{ + /*< private >*/ + VideoCropPixelFormat packing; + + guint width; + guint height; + guint size; + + /* for packed RGB and YUV */ + guint stride; + guint bytes_per_pixel; + guint8 macro_y_off; /* for YUY2, YVYU, UYVY, Y offset within macropixel in bytes */ + + /* for planar YUV */ + guint y_stride, y_off; + guint u_stride, u_off; + guint v_stride, v_off; +}; + +typedef struct _GstVideoCrop GstVideoCrop; +typedef struct _GstVideoCropClass GstVideoCropClass; + +struct _GstVideoCrop +{ + GstBaseTransform basetransform; + + /*< private >*/ + gint crop_left; + gint crop_right; + gint crop_top; + gint crop_bottom; + + GstVideoCropImageDetails in; /* details of input image */ + GstVideoCropImageDetails out; /* details of output image */ +}; + +struct _GstVideoCropClass +{ + GstBaseTransformClass basetransform_class; +}; + +GType gst_video_crop_get_type (void); + +G_END_DECLS + +#endif /* __GST_VIDEO_CROP_H__ */ + |