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137 lines
4.8 KiB
C
137 lines
4.8 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_DOWNLOAD_H__
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#define __GST_GL_DOWNLOAD_H__
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#include <gst/video/video.h>
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#include <gst/gstmemory.h>
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#include "gstgldisplay.h"
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#include "gstglshader.h"
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G_BEGIN_DECLS
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/* forward declare */
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typedef struct _GstGLMemory GstGLMemory;
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typedef struct _GstGLDisplay GstGLDisplay;
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GType gst_gl_download_get_type (void);
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#define GST_TYPE_GL_DOWNLOAD (gst_gl_download_get_type())
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#define GST_GL_DOWNLOAD(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_DOWNLOAD,GstGLDownload))
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#define GST_GL_DOWNLOAD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_DISPLAY,GstGLDownloadClass))
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#define GST_IS_GL_DOWNLOAD(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_DOWNLOAD))
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#define GST_IS_GL_DOWNLOAD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_DOWNLOAD))
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#define GST_GL_DOWNLOAD_CAST(obj) ((GstGLDownload*)(obj))
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typedef struct _GstGLDownload GstGLDownload;
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typedef struct _GstGLDownloadClass GstGLDownloadClass;
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typedef struct _GstGLDownloadPrivate GstGLDownloadPrivate;
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/**
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* GstGLDownload
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* @parent: the parent object
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* @lock: thread safety
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* @display: a #GstGLDisplay
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* @info: the output video info
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*
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* Download information about GL textures
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*/
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struct _GstGLDownload
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{
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GObject parent;
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GMutex lock;
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GstGLDisplay *display;
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/* output data */
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GstVideoInfo info;
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/* <private> */
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gpointer data[GST_VIDEO_MAX_PLANES];
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gboolean initted;
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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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GLuint in_texture;
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GLuint out_texture[GST_VIDEO_MAX_PLANES];
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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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GstGLDownloadPrivate *priv;
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gpointer _reserved[GST_PADDING];
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};
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/**
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* GstGLDownloadClass:
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*
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* The #GstGLDownloadClass struct only contains private data
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*/
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struct _GstGLDownloadClass
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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_DOWNLOAD_FORMATS:
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*
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* The currently supported formats that can be downloaded
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*/
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#if !GST_GL_HAVE_GLES2
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# define GST_GL_DOWNLOAD_FORMATS "{ RGB, RGBx, RGBA, BGR, BGRx, BGRA, xRGB, " \
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"xBGR, ARGB, ABGR, I420, YV12, YUY2, UYVY, AYUV }"
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#else /* GST_GL_HAVE_GLES2 */
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# define GST_GL_DOWNLOAD_FORMATS "{ RGB, RGBx, RGBA, I420, YV12, YUY2, UYVY, AYUV }"
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#endif /* !GST_GL_HAVE_GLES2 */
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/**
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* GST_GL_DOWNLOAD_VIDEO_CAPS:
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*
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* The currently supported #GstCaps that can be downloaded
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*/
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#define GST_GL_DOWNLOAD_VIDEO_CAPS GST_VIDEO_CAPS_MAKE (GST_GL_DOWNLOAD_FORMATS)
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GstGLDownload * gst_gl_download_new (GstGLDisplay * display);
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gboolean gst_gl_download_init_format (GstGLDownload * download, GstVideoFormat v_format,
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guint out_width, guint out_height);
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gboolean gst_gl_download_init_format_thread (GstGLDownload * download, GstVideoFormat v_format,
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guint out_width, guint out_height);
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gboolean gst_gl_download_perform_with_memory_thread (GstGLDownload * download, GstGLMemory * gl_mem);
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gboolean gst_gl_download_perform_with_data_thread (GstGLDownload * download, GLuint texture_id,
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gpointer data[GST_VIDEO_MAX_PLANES]);
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gboolean gst_gl_download_perform_with_memory (GstGLDownload * download, GstGLMemory * gl_mem);
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gboolean gst_gl_download_perform_with_data (GstGLDownload * download, GLuint texture_id,
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gpointer data[GST_VIDEO_MAX_PLANES]);
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GstGLDownload * gst_gl_display_find_download_unlocked (GstGLDisplay * display, GstVideoFormat v_format,
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guint out_width, guint out_height);
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GstGLDownload * gst_gl_display_find_download (GstGLDisplay * display, GstVideoFormat v_format,
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guint out_width, guint out_height);
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G_END_DECLS
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#endif /* __GST_GL_DOWNLOAD_H__ */
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