GstGLUpload

GstGLUpload — an object that uploads to GL textures

Functions

Types and Values

Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstGLUpload

Description

GstGLUpload is an object that uploads data from system memory into GL textures.

A GstGLUpload can be created with gst_gl_upload_new()

Functions

gst_gl_upload_new ()

GstGLUpload *
gst_gl_upload_new (GstGLContext *context);

Parameters

context

a GstGLContext

 

Returns

a new GstGLUpload object


gst_gl_upload_set_context ()

void
gst_gl_upload_set_context (GstGLUpload *upload,
                           GstGLContext *context);

gst_gl_upload_get_caps ()

void
gst_gl_upload_get_caps (GstGLUpload *upload,
                        GstCaps **in_caps,
                        GstCaps **out_caps);

Parameters

upload

a GstGLUpload

 

in_caps

the input GstCaps.

[transfer full][allow-none][out]

out_caps

the output GstCaps.

[transfer full][allow-none][out]

gst_gl_upload_set_caps ()

gboolean
gst_gl_upload_set_caps (GstGLUpload *upload,
                        GstCaps *in_caps,
                        GstCaps *out_caps);

Initializes upload with the information required for upload.

Parameters

upload

a GstGLUpload

 

in_caps

input GstCaps

 

out_caps

output GstCaps

 

Returns

whether in_caps and out_caps could be set on upload


gst_gl_upload_propose_allocation ()

void
gst_gl_upload_propose_allocation (GstGLUpload *upload,
                                  GstQuery *decide_query,
                                  GstQuery *query);

Adds the required allocation parameters to support uploading.

Parameters

upload

a GstGLUpload

 

decide_query

a GstQuery from a decide allocation.

[allow-none]

query

the proposed allocation query

 

gst_gl_upload_transform_caps ()

GstCaps *
gst_gl_upload_transform_caps (GstGLUpload *upload,
                              GstGLContext *context,
                              GstPadDirection direction,
                              GstCaps *caps,
                              GstCaps *filter);

gst_gl_upload_perform_with_buffer ()

GstGLUploadReturn
gst_gl_upload_perform_with_buffer (GstGLUpload *upload,
                                   GstBuffer *buffer,
                                   GstBuffer **outbuf_ptr);

Uploads buffer using the transformation specified by gst_gl_upload_set_caps() creating a new GstBuffer in outbuf_ptr .

Parameters

upload

a GstGLUpload

 

buffer

input GstBuffer

 

outbuf_ptr

resulting GstBuffer

 

Returns

whether the upload was successful


gst_gl_upload_get_input_template_caps ()

GstCaps *
gst_gl_upload_get_input_template_caps (void);

Types and Values

GstGLUpload

typedef struct _GstGLUpload GstGLUpload;

Opaque GstGLUpload object

See Also

GstGLDownload, GstGLMemory