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gstvideoaffinetransformationmeta

gstvideoaffinetransformationmeta

Types and Values

Includes

#include <gst/video/gstvideoaffinetransformationmeta.h>

Description

Functions

gst_buffer_add_video_affine_transformation_meta ()

GstVideoAffineTransformationMeta *
gst_buffer_add_video_affine_transformation_meta
                               (GstBuffer *buffer);

Attaches GstVideoAffineTransformationMeta metadata to buffer with the given parameters.

Parameters

buffer

a GstBuffer

 

Returns

the GstVideoAffineTransformationMeta on buffer .

[transfer none]

Since: 1.8


gst_buffer_get_video_affine_transformation_meta()

#define             gst_buffer_get_video_affine_transformation_meta(b)

gst_video_affine_transformation_meta_apply_matrix ()

void
gst_video_affine_transformation_meta_apply_matrix
                               (GstVideoAffineTransformationMeta *meta,
                                const gfloat matrix[16]);

Apply a transformation using the given 4x4 transformation matrix

Parameters

meta

a GstVideoAffineTransformationMeta

 

matrix

a 4x4 transformation matrix to be applied

 

Since: 1.8

Types and Values

struct GstVideoAffineTransformationMeta

struct GstVideoAffineTransformationMeta {
  GstMeta meta;

  gfloat matrix[16];
};
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