Documentation
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Index ¶
- Constants
- Variables
- func EglGetErrorString(err int32) string
- func GLDisplayEGLGetFromNative(typ gstgl.GLDisplayType, display uintptr) unsafe.Pointer
- func GLMemoryEGLInitOnce()
- func IsGLMemoryEgl(mem *gst.Memory) bool
- type EGLImage
- type GLDisplayEGL
- type GLDisplayEGLClass
- type GLDisplayEGLDevice
- type GLDisplayEGLDeviceClass
- type GLDisplayEGLDeviceOverrides
- type GLDisplayEGLOverrides
- type GLMemoryEGL
- type GLMemoryEGLAllocator
- type GLMemoryEGLAllocatorClass
- type GLMemoryEGLAllocatorOverrides
Constants ¶
const GL_DISPLAY_EGL_NAME = "gst.gl.display.egl"
const GL_MEMORY_EGL_ALLOCATOR_NAME = "GLMemoryEGL"
GL_MEMORY_EGL_ALLOCATOR_NAME: name of the GL Memory EGL allocator.
Variables ¶
var ( GTypeGLMemoryEGLAllocator = coreglib.Type(C.gst_gl_memory_egl_allocator_get_type()) GTypeGLMemoryEGL = coreglib.Type(C.gst_gl_memory_egl_get_type()) )
GType values.
var (
GTypeEGLImage = coreglib.Type(C.gst_egl_image_get_type())
)
GType values.
var (
GTypeGLDisplayEGL = coreglib.Type(C.gst_gl_display_egl_get_type())
)
GType values.
var (
GTypeGLDisplayEGLDevice = coreglib.Type(C.gst_gl_display_egl_device_get_type())
)
GType values.
Functions ¶
func EglGetErrorString ¶
The function takes the following parameters:
- err: EGL error code.
The function returns the following values:
- utf8: short string representation of err.
func GLDisplayEGLGetFromNative ¶
func GLDisplayEGLGetFromNative(typ gstgl.GLDisplayType, display uintptr) unsafe.Pointer
GLDisplayEGLGetFromNative attempts to create a new EGLDisplay from display. If type is GST_GL_DISPLAY_TYPE_ANY, then display must be 0. type must not be GST_GL_DISPLAY_TYPE_NONE.
The function takes the following parameters:
- typ: GLDisplayType.
- display: pointer to a display (or 0).
The function returns the following values:
- gpointer (optional): EGLDisplay or EGL_NO_DISPLAY.
func GLMemoryEGLInitOnce ¶
func GLMemoryEGLInitOnce()
GLMemoryEGLInitOnce initializes the GL Memory allocator. It is safe to call this function multiple times. This must be called before any other GstGLMemoryEGL operation.
func IsGLMemoryEgl ¶
The function takes the following parameters:
- mem to test.
The function returns the following values:
- ok: whether mem is a GLMemoryEGL.
Types ¶
type EGLImage ¶
type EGLImage struct {
// contains filtered or unexported fields
}
EGLImage represents and holds an EGLImage handle.
A EGLImage can be created from a dmabuf with gst_egl_image_from_dmabuf(), or gst_egl_image_from_dmabuf_direct(), or GLMemoryEGL provides a Allocator to allocate EGLImage's bound to and OpenGL texture.
An instance of this type is always passed by reference.
func EGLImageFromTexture ¶
func EGLImageFromTexture(context gstgl.GLContexter, glMem *gstgl.GLMemory, attribs *uintptr) *EGLImage
The function takes the following parameters:
- context (must be an EGL context).
- glMem: GLMemory.
- attribs: additional attributes to add to the eglCreateImage() call.
The function returns the following values:
- eglImage wrapping gl_mem or NULL on failure.
type GLDisplayEGL ¶
GLDisplayEGL contents of a GLDisplayEGL are private and should only be accessed through the provided API.
func GLDisplayEGLFromGLDisplay ¶
func GLDisplayEGLFromGLDisplay(display *gstgl.GLDisplay) *GLDisplayEGL
GLDisplayEGLFromGLDisplay creates a EGL display connection from a native Display.
This function will return the same value for multiple calls with the same display.
The function takes the following parameters:
- display: existing GLDisplay.
The function returns the following values:
- glDisplayEGL: new GLDisplayEGL.
func NewGLDisplayEGL ¶
func NewGLDisplayEGL() *GLDisplayEGL
NewGLDisplayEGL: create a new GLDisplayEGL using the default EGL_DEFAULT_DISPLAY.
The function returns the following values:
- glDisplayEGL: new GLDisplayEGL or NULL.
func NewGLDisplayEGLWithEglDisplay ¶
func NewGLDisplayEGLWithEglDisplay(display unsafe.Pointer) *GLDisplayEGL
The function takes the following parameters:
The function returns the following values:
type GLDisplayEGLClass ¶
type GLDisplayEGLClass struct {
// contains filtered or unexported fields
}
GLDisplayEGLClass: instance of this type is always passed by reference.
func (*GLDisplayEGLClass) ObjectClass ¶
func (g *GLDisplayEGLClass) ObjectClass() *gstgl.GLDisplayClass
func (*GLDisplayEGLClass) Padding ¶
func (g *GLDisplayEGLClass) Padding() [4]unsafe.Pointer
type GLDisplayEGLDevice ¶
GLDisplayEGLDevice contents of a GLDisplayEGLDevice are private and should only be accessed through the provided API.
func NewGLDisplayEGLDevice ¶
func NewGLDisplayEGLDevice(deviceIndex uint) *GLDisplayEGLDevice
NewGLDisplayEGLDevice: create a new GLDisplayEGLDevice with an EGLDevice supported device.
The function takes the following parameters:
- deviceIndex: index of device to use.
The function returns the following values:
- glDisplayEGLDevice: new GLDisplayEGLDevice or NULL.
func NewGLDisplayEGLDeviceWithEglDevice ¶
func NewGLDisplayEGLDeviceWithEglDevice(device unsafe.Pointer) *GLDisplayEGLDevice
NewGLDisplayEGLDeviceWithEglDevice creates a new GLDisplayEGLDevice with EGLDeviceEXT . The device must be created using EGLDevice enumeration.
The function takes the following parameters:
- device (optional): existing EGLDeviceEXT.
The function returns the following values:
- glDisplayEGLDevice: new GLDisplayEGLDevice.
type GLDisplayEGLDeviceClass ¶
type GLDisplayEGLDeviceClass struct {
// contains filtered or unexported fields
}
GLDisplayEGLDeviceClass: opaque GLDisplayEGLDeviceClass struct
An instance of this type is always passed by reference.
func (*GLDisplayEGLDeviceClass) ObjectClass ¶
func (g *GLDisplayEGLDeviceClass) ObjectClass() *gstgl.GLDisplayClass
func (*GLDisplayEGLDeviceClass) Padding ¶
func (g *GLDisplayEGLDeviceClass) Padding() [4]unsafe.Pointer
type GLDisplayEGLDeviceOverrides ¶
type GLDisplayEGLDeviceOverrides struct {
}
GLDisplayEGLDeviceOverrides contains methods that are overridable.
type GLDisplayEGLOverrides ¶
type GLDisplayEGLOverrides struct {
}
GLDisplayEGLOverrides contains methods that are overridable.
type GLMemoryEGL ¶
type GLMemoryEGL struct {
// contains filtered or unexported fields
}
GLMemoryEGL is created or wrapped through gst_gl_base_memory_alloc() with GLVideoAllocationParams.
An instance of this type is always passed by reference.
func (*GLMemoryEGL) Display ¶
func (mem *GLMemoryEGL) Display() unsafe.Pointer
The function returns the following values:
- gpointer (optional): EGLDisplay mem is associated with.
func (*GLMemoryEGL) Image ¶
func (mem *GLMemoryEGL) Image() unsafe.Pointer
The function returns the following values:
- gpointer (optional): EGLImage held by mem.
type GLMemoryEGLAllocator ¶
type GLMemoryEGLAllocator struct {
gstgl.GLMemoryAllocator
// contains filtered or unexported fields
}
GLMemoryEGLAllocator: opaque GLMemoryEGLAllocator struct.
type GLMemoryEGLAllocatorClass ¶
type GLMemoryEGLAllocatorClass struct {
// contains filtered or unexported fields
}
GLMemoryEGLAllocatorClass only contains private data
An instance of this type is always passed by reference.
type GLMemoryEGLAllocatorOverrides ¶
type GLMemoryEGLAllocatorOverrides struct {
}
GLMemoryEGLAllocatorOverrides contains methods that are overridable.
Source Files