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videoflip

videoflip — Flips and rotates video

Synopsis




            GstVideoFlip;
enum        GstVideoFlipMethod;

Object Hierarchy


  GObject
   +----GstObject
         +----GstElement
               +----GstBaseTransform
                     +----GstVideoFilter
                           +----GstVideoFlip

Properties


  "method"               GstVideoFlipMethod    : Read / Write

Description

Flips and rotates video.

Example launch line

gst-launch videotestsrc ! videoflip method=clockwise ! ffmpegcolorspace ! ximagesink

This pipeline flips the test image 90 degrees clockwise.

Last reviewed on 2006-03-03 (0.10.3)

Element Information

plugin videoflip
author David Schleef <ds@schleef.org>
class Filter/Effect/Video

Details

GstVideoFlip

typedef struct _GstVideoFlip GstVideoFlip;

Opaque datastructure.

enum GstVideoFlipMethod

typedef enum {
  GST_VIDEO_FLIP_METHOD_IDENTITY,
  GST_VIDEO_FLIP_METHOD_90R,
  GST_VIDEO_FLIP_METHOD_180,
  GST_VIDEO_FLIP_METHOD_90L,
  GST_VIDEO_FLIP_METHOD_HORIZ,
  GST_VIDEO_FLIP_METHOD_VERT,
  GST_VIDEO_FLIP_METHOD_TRANS,
  GST_VIDEO_FLIP_METHOD_OTHER
} GstVideoFlipMethod;

The different flip methods.

GST_VIDEO_FLIP_METHOD_IDENTITY Identity (no rotation)
GST_VIDEO_FLIP_METHOD_90R Rotate clockwise 90 degrees
GST_VIDEO_FLIP_METHOD_180 Rotate 180 degrees
GST_VIDEO_FLIP_METHOD_90L Rotate counter-clockwise 90 degrees
GST_VIDEO_FLIP_METHOD_HORIZ Flip horizontally
GST_VIDEO_FLIP_METHOD_VERT Flip vertically
GST_VIDEO_FLIP_METHOD_TRANS Flip across upper left/lower right diagonal
GST_VIDEO_FLIP_METHOD_OTHER Flip across upper right/lower left diagonal

Properties

The "method" property

  "method"               GstVideoFlipMethod    : Read / Write

method.

Default value: Rotate clockwise 90 degrees

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