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<title>GstGLUpload: GStreamer Base Plugins 1.0 Library Reference Manual</title>
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<link rel="home" href="index.html" title="GStreamer Base Plugins 1.0 Library Reference Manual">
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<link rel="up" href="gl.html" title="OpenGL Integration Library">
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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Top |
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Description |
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Object Hierarchy
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GstGLUpload
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GstGLUpload — an object that uploads to GL textures
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Functions
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GstGLUpload *
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gst_gl_upload_new ()
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void
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gst_gl_upload_set_context ()
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void
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gst_gl_upload_get_caps ()
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gboolean
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gst_gl_upload_set_caps ()
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void
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gst_gl_upload_propose_allocation ()
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GstCaps *
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gst_gl_upload_transform_caps ()
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GstGLUploadReturn
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gst_gl_upload_perform_with_buffer ()
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GstCaps *
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gst_gl_upload_get_input_template_caps ()
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Types and Values
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GstGLUpload
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enum
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GstGLUploadReturn
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Object Hierarchy
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GObject
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╰── GInitiallyUnowned
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╰── GstObject
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╰── GstGLUpload
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Includes
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#include <gst/gl/gl.h>
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Description
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GstGLUpload is an object that uploads data from system memory into GL textures.
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A GstGLUpload can be created with gst_gl_upload_new()
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Functions
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gst_gl_upload_new ()
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GstGLUpload *
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gst_gl_upload_new (GstGLContext *context);
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Parameters
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context
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a GstGLContext
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Returns
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a new GstGLUpload object.
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[transfer full]
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gst_gl_upload_set_context ()
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void
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gst_gl_upload_set_context (GstGLUpload *upload,
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GstGLContext *context);
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gst_gl_upload_get_caps ()
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void
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gst_gl_upload_get_caps (GstGLUpload *upload,
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GstCaps **in_caps,
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GstCaps **out_caps);
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Parameters
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upload
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a GstGLUpload
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in_caps
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the input GstCaps.
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[transfer full][allow-none][out]
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out_caps
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the output GstCaps.
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[transfer full][allow-none][out]
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gst_gl_upload_set_caps ()
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gboolean
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gst_gl_upload_set_caps (GstGLUpload *upload,
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GstCaps *in_caps,
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GstCaps *out_caps);
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Initializes upload
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with the information required for upload.
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Parameters
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upload
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a GstGLUpload
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in_caps
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input GstCaps
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out_caps
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output GstCaps
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Returns
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whether in_caps
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and out_caps
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could be set on upload
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gst_gl_upload_propose_allocation ()
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void
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gst_gl_upload_propose_allocation (GstGLUpload *upload,
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GstQuery *decide_query,
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GstQuery *query);
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Adds the required allocation parameters to support uploading.
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Parameters
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upload
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a GstGLUpload
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decide_query
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a GstQuery from a decide allocation.
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[allow-none]
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query
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the proposed allocation query
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gst_gl_upload_transform_caps ()
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GstCaps *
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gst_gl_upload_transform_caps (GstGLUpload *upload,
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GstGLContext *context,
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GstPadDirection direction,
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GstCaps *caps,
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GstCaps *filter);
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gst_gl_upload_perform_with_buffer ()
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GstGLUploadReturn
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gst_gl_upload_perform_with_buffer (GstGLUpload *upload,
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GstBuffer *buffer,
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GstBuffer **outbuf_ptr);
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Uploads buffer
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using the transformation specified by
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gst_gl_upload_set_caps() creating a new GstBuffer in outbuf_ptr
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.
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Parameters
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upload
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a GstGLUpload
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buffer
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input GstBuffer
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outbuf_ptr
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resulting GstBuffer.
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[out]
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Returns
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whether the upload was successful
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gst_gl_upload_get_input_template_caps ()
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GstCaps *
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gst_gl_upload_get_input_template_caps (void);
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Types and Values
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GstGLUpload
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typedef struct _GstGLUpload GstGLUpload;
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Opaque GstGLUpload object
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enum GstGLUploadReturn
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Members
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GST_GL_UPLOAD_DONE
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No further processing required
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GST_GL_UPLOAD_ERROR
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An unspecified error occured
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GST_GL_UPLOAD_UNSUPPORTED
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The configuration is unsupported.
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GST_GL_UPLOAD_RECONFIGURE
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This element requires a reconfiguration.
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See Also
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GstGLDownload, GstGLMemory
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Generated by GTK-Doc V1.28
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