gstreamer/gst-libs/gst/gl/gstglsyncmeta.h
Tim-Philipp Müller c5b5ef16d3 gl: GST_EXPORT -> GST_GL_API
We need different export decorators for the different libs.
For now no actual change though, just rename before the release,
and add prelude headers to define the new decorator to GST_EXPORT.
2018-03-13 12:10:29 +00:00

95 lines
3.7 KiB
C

/*
* GStreamer
* Copyright (C) 2014 Matthew Waters <matthew@centricular.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_SYNC_META_H__
#define __GST_GL_SYNC_META_H__
#include <gst/gl/gstgl_fwd.h>
G_BEGIN_DECLS
#define GST_GL_SYNC_META_API_TYPE (gst_gl_sync_meta_api_get_type())
#define GST_GL_SYNC_META_INFO (gst_gl_sync_meta_get_info())
typedef struct _GstGLSyncMeta GstGLSyncMeta;
/**
* GST_BUFFER_POOL_OPTION_GL_SYNC_META:
*
* An option that can be activated on bufferpools to request OpenGL
* synchronization metadata on buffers from the pool.
*/
#define GST_BUFFER_POOL_OPTION_GL_SYNC_META "GstBufferPoolOptionGLSyncMeta"
/**
* GstGLSyncMeta:
* @parent: the parent #GstMeta
* @context: the #GstGLContext used to allocate the meta
* @data: a custom data pointer for the implementation
* @set_sync: set a sync point in the OpenGL command stream
* @set_sync_gl: the same as @set_sync but called from @context's thread
* @wait: execute a wait on the previously set sync point into the OpenGL command stream
* @wait_gl: the same as @wait but called from @context's thread
* @wait_cpu: wait for the previously set sync point to pass from the CPU
* @wait_cpu_gl: the same as @wait_cpu but called from @context's thread
* @copy: copy @data into a new #GstGLSyncMeta
* @free: free @data
* @free_gl: free @data in @context's thread
*/
struct _GstGLSyncMeta
{
GstMeta parent;
GstGLContext *context;
gpointer data;
void (*set_sync) (GstGLSyncMeta * sync, GstGLContext * context);
void (*set_sync_gl) (GstGLSyncMeta * sync, GstGLContext * context);
void (*wait) (GstGLSyncMeta * sync, GstGLContext * context);
void (*wait_gl) (GstGLSyncMeta * sync, GstGLContext * context);
void (*wait_cpu) (GstGLSyncMeta * sync, GstGLContext * context);
void (*wait_cpu_gl) (GstGLSyncMeta * sync, GstGLContext * context);
void (*copy) (GstGLSyncMeta * src, GstBuffer * sbuffer, GstGLSyncMeta * dest, GstBuffer * dbuffer);
void (*free) (GstGLSyncMeta * sync, GstGLContext * context);
void (*free_gl) (GstGLSyncMeta * sync, GstGLContext * context);
};
GST_GL_API
GType gst_gl_sync_meta_api_get_type (void);
GST_GL_API
const GstMetaInfo * gst_gl_sync_meta_get_info (void);
#define gst_buffer_get_gl_sync_meta(b) ((GstGLSyncMeta*)gst_buffer_get_meta((b),GST_GL_SYNC_META_API_TYPE))
GST_GL_API
GstGLSyncMeta * gst_buffer_add_gl_sync_meta (GstGLContext * context, GstBuffer *buffer);
GST_GL_API
GstGLSyncMeta * gst_buffer_add_gl_sync_meta_full (GstGLContext * context, GstBuffer * buffer,
gpointer data);
GST_GL_API
void gst_gl_sync_meta_set_sync_point (GstGLSyncMeta * sync_meta, GstGLContext * context);
GST_GL_API
void gst_gl_sync_meta_wait (GstGLSyncMeta * sync_meta, GstGLContext * context);
GST_GL_API
void gst_gl_sync_meta_wait_cpu (GstGLSyncMeta * sync_meta, GstGLContext * context);
G_END_DECLS
#endif /* __GST_GL_SYNC_META_H__ */