gstreamer/gst-libs/gst/gl/gstglcolorconvert.h
Matthew Waters 4bbda2b626 glframebuffer: rewrite for a more consistent API
Facilities are given to create fbo's and attach GL memory (renderbuffers
or textures).  It also keeps track of the renderable size for use with
effective use with glViewport().
2017-12-09 19:32:21 +00:00

133 lines
5 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_COLOR_CONVERT_H__
#define __GST_GL_COLOR_CONVERT_H__
#include <gst/video/video.h>
#include <gst/gstmemory.h>
#include <gst/gl/gstgl_fwd.h>
G_BEGIN_DECLS
GType gst_gl_color_convert_get_type (void);
#define GST_TYPE_GL_COLOR_CONVERT (gst_gl_color_convert_get_type())
#define GST_GL_COLOR_CONVERT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_COLOR_CONVERT,GstGLColorConvert))
#define GST_GL_COLOR_CONVERT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_DISPLAY,GstGLColorConvertClass))
#define GST_IS_GL_COLOR_CONVERT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_COLOR_CONVERT))
#define GST_IS_GL_COLOR_CONVERT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_COLOR_CONVERT))
#define GST_GL_COLOR_CONVERT_CAST(obj) ((GstGLColorConvert*)(obj))
/**
* GstGLColorConvert
*
* Opaque #GstGLColorConvert object
*/
struct _GstGLColorConvert
{
/* <private> */
GstObject parent;
GstGLContext *context;
/* input data */
GstVideoInfo in_info;
GstVideoInfo out_info;
gboolean initted;
gboolean passthrough;
GstBuffer * inbuf;
GstBuffer * outbuf;
/* used for the conversion */
GstGLFramebuffer *fbo;
GstGLShader *shader;
/* <private> */
GstGLColorConvertPrivate *priv;
gpointer _reserved[GST_PADDING];
};
/**
* GstGLColorConvertClass:
*
* The #GstGLColorConvertClass struct only contains private data
*/
struct _GstGLColorConvertClass
{
GstObjectClass object_class;
};
/**
* GST_GL_COLOR_CONVERT_FORMATS:
*
* The currently supported formats that can be converted
*/
#define GST_GL_COLOR_CONVERT_FORMATS "{ RGBA, RGB, RGBx, BGR, BGRx, BGRA, xRGB, " \
"xBGR, ARGB, ABGR, Y444, I420, YV12, Y42B, " \
"Y41B, NV12, NV21, YUY2, UYVY, AYUV, " \
"GRAY8, GRAY16_LE, GRAY16_BE, RGB16, BGR16 }"
/**
* GST_GL_COLOR_CONVERT_VIDEO_CAPS:
*
* The currently supported #GstCaps that can be converted
*/
#define GST_GL_COLOR_CONVERT_VIDEO_CAPS \
"video/x-raw(" GST_CAPS_FEATURE_MEMORY_GL_MEMORY "), " \
"format = (string) " GST_GL_COLOR_CONVERT_FORMATS ", " \
"width = " GST_VIDEO_SIZE_RANGE ", " \
"height = " GST_VIDEO_SIZE_RANGE ", " \
"framerate = " GST_VIDEO_FPS_RANGE ", " \
"texture-target = (string) { 2D, rectangle, external-oes } " \
" ; " \
"video/x-raw(" GST_CAPS_FEATURE_MEMORY_GL_MEMORY "," \
GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION "), " \
"format = (string) " GST_GL_COLOR_CONVERT_FORMATS ", " \
"width = " GST_VIDEO_SIZE_RANGE ", " \
"height = " GST_VIDEO_SIZE_RANGE ", " \
"framerate = " GST_VIDEO_FPS_RANGE ", " \
"texture-target = (string) { 2D, rectangle, external-oes }"
GstGLColorConvert * gst_gl_color_convert_new (GstGLContext * context);
GstCaps * gst_gl_color_convert_transform_caps (GstGLContext * convert,
GstPadDirection direction,
GstCaps * caps,
GstCaps * filter);
GstCaps * gst_gl_color_convert_fixate_caps (GstGLContext * convert,
GstPadDirection direction,
GstCaps * caps,
GstCaps * other);
gboolean gst_gl_color_convert_set_caps (GstGLColorConvert * convert,
GstCaps * in_caps,
GstCaps * out_caps);
gboolean gst_gl_color_convert_decide_allocation (GstGLColorConvert * convert,
GstQuery * query);
GstBuffer * gst_gl_color_convert_perform (GstGLColorConvert * convert, GstBuffer * inbuf);
G_END_DECLS
#endif /* __GST_GL_COLOR_CONVERT_H__ */