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30c6efc432
This patch provides the basic infrastructure required for this. Upload and Download has been ported to this. Has the nice effect of allowing GstGLMemory to be our refcounted texture object for any texture type (not just RGBA). Should not lose any features/video formats.
118 lines
3.8 KiB
C
118 lines
3.8 KiB
C
/*
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* GStreamer
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* Copyright (C) 2012 Matthew Waters <ystree00@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_GL_COLOR_CONVERT_H__
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#define __GST_GL_COLOR_CONVERT_H__
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#include <gst/video/video.h>
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#include <gst/gstmemory.h>
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#include <gst/gl/gstgl_fwd.h>
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G_BEGIN_DECLS
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GType gst_gl_color_convert_get_type (void);
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#define GST_TYPE_GL_COLOR_CONVERT (gst_gl_color_convert_get_type())
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#define GST_GL_COLOR_CONVERT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_COLOR_CONVERT,GstGLColorConvert))
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#define GST_GL_COLOR_CONVERT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_DISPLAY,GstGLColorConvertClass))
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#define GST_IS_GL_COLOR_CONVERT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_COLOR_CONVERT))
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#define GST_IS_GL_COLOR_CONVERT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_COLOR_CONVERT))
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#define GST_GL_COLOR_CONVERT_CAST(obj) ((GstGLColorConvert*)(obj))
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/**
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* GstGLColorConvert
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*
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* Opaque #GstGLColorConvert object
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*/
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struct _GstGLColorConvert
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{
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/* <private> */
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GObject parent;
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GMutex lock;
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GstGLContext *context;
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/* input data */
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GstVideoInfo in_info;
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GstVideoInfo out_info;
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gboolean initted;
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GstGLMemory * in_tex[GST_VIDEO_MAX_PLANES];
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GstGLMemory * out_tex[GST_VIDEO_MAX_PLANES];
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/* used for the conversion */
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GLuint fbo;
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GLuint depth_buffer;
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GstGLShader *shader;
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GLint shader_attr_position_loc;
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GLint shader_attr_texture_loc;
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/* <private> */
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GstGLColorConvertPrivate *priv;
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gpointer _reserved[GST_PADDING];
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};
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/**
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* GstGLColorConvertClass:
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*
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* The #GstGLColorConvertClass struct only contains private data
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*/
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struct _GstGLColorConvertClass
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{
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GObjectClass object_class;
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};
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/**
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* GST_GL_COLOR_CONVERT_FORMATS:
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*
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* The currently supported formats that can be converted
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*/
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#define GST_GL_COLOR_CONVERT_FORMATS "{ RGB, RGBx, RGBA, BGR, BGRx, BGRA, xRGB, " \
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"xBGR, ARGB, ABGR, Y444, I420, YV12, Y42B, " \
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"Y41B, NV12, NV21, YUY2, UYVY, AYUV, " \
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"GRAY8, GRAY16_LE, GRAY16_BE }"
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/**
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* GST_GL_COLOR_CONVERT_VIDEO_CAPS:
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*
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* The currently supported #GstCaps that can be converted
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*/
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#define GST_GL_COLOR_CONVERT_VIDEO_CAPS GST_VIDEO_CAPS_MAKE (GST_GL_COLOR_CONVERT_FORMATS)
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GstGLColorConvert * gst_gl_color_convert_new (GstGLContext * context);
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gboolean gst_gl_color_convert_init_format (GstGLColorConvert * convert,
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GstVideoInfo in_info,
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GstVideoInfo out_info);
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void gst_gl_color_convert_set_texture_scaling (GstGLColorConvert * convert,
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gfloat scaling[GST_VIDEO_MAX_PLANES][2]);
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gboolean gst_gl_color_convert_perform (GstGLColorConvert * convert,
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GstGLMemory * in_tex[GST_VIDEO_MAX_PLANES],
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GstGLMemory * out_tex[GST_VIDEO_MAX_PLANES]);
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G_END_DECLS
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#endif /* __GST_GL_COLOR_CONVERT_H__ */
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