gstreamer/gst-libs/gst/gl/gstgldownload.h
Matthew Waters 530ae2cbb0 glupload/download/convert: provide transform_caps functions
Allows finer grain decisions about formats and features at each
stage of the pipeline.
Also provide propose_allocation for glupload besed on the supported
methods.
2017-12-09 19:31:54 +00:00

87 lines
2.7 KiB
C

/*
* GStreamer
* Copyright (C) 2012 Matthew Waters <ystree00@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_GL_DOWNLOAD_H__
#define __GST_GL_DOWNLOAD_H__
#include <gst/video/video.h>
#include <gst/gstmemory.h>
#include <gst/gl/gl.h>
G_BEGIN_DECLS
GType gst_gl_download_get_type (void);
#define GST_TYPE_GL_DOWNLOAD (gst_gl_download_get_type())
#define GST_GL_DOWNLOAD(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_DOWNLOAD,GstGLDownload))
#define GST_GL_DOWNLOAD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_DISPLAY,GstGLDownloadClass))
#define GST_IS_GL_DOWNLOAD(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_DOWNLOAD))
#define GST_IS_GL_DOWNLOAD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_DOWNLOAD))
#define GST_GL_DOWNLOAD_CAST(obj) ((GstGLDownload*)(obj))
/**
* GstGLDownload:
*
* Opaque #GstGLDownload object
*/
struct _GstGLDownload
{
/* <private> */
GstObject parent;
GstGLContext *context;
GstGLColorConvert *convert;
/* output data */
GstVideoInfo info;
gboolean initted;
GstGLDownloadPrivate *priv;
gpointer _reserved[GST_PADDING];
};
/**
* GstGLDownloadClass:
*
* The #GstGLDownloadClass struct only contains private data
*/
struct _GstGLDownloadClass
{
/* <private> */
GstObjectClass object_class;
};
GstGLDownload * gst_gl_download_new (GstGLContext * context);
void gst_gl_download_set_format (GstGLDownload * download, GstVideoInfo * out_info);
GstCaps * gst_gl_download_transform_caps (GstGLContext * convert,
GstPadDirection direction,
GstCaps * caps,
GstCaps * filter);
gboolean gst_gl_download_perform_with_data (GstGLDownload * download,
GLuint texture_id, GLuint texture_target,
gpointer data[GST_VIDEO_MAX_PLANES]);
G_END_DECLS
#endif /* __GST_GL_DOWNLOAD_H__ */