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139 lines
6.4 KiB
C
139 lines
6.4 KiB
C
/*
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* GStreamer
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* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.com>
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* Copyright (C) 2015 Matthew Waters <matthew@centricular.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_MEMORY_PBO_H_
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#define _GST_GL_MEMORY_PBO_H_
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#include <gst/gst.h>
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#include <gst/gstallocator.h>
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#include <gst/gstmemory.h>
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#include <gst/video/video.h>
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#include <gst/gl/gstglmemory.h>
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G_BEGIN_DECLS
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#define GST_TYPE_GL_MEMORY_PBO_ALLOCATOR (gst_gl_memory_pbo_allocator_get_type())
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GType gst_gl_memory_pbo_allocator_get_type(void);
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#define GST_IS_GL_MEMORY_PBO_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_GL_MEMORY_PBO_ALLOCATOR))
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#define GST_IS_GL_MEMORY_PBO_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_GL_MEMORY_PBO_ALLOCATOR))
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#define GST_GL_MEMORY_PBO_ALLOCATOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_GL_MEMORY_PBO_ALLOCATOR, GstGLMemoryPBOAllocatorClass))
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#define GST_GL_MEMORY_PBO_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_GL_MEMORY_PBO_ALLOCATOR, GstGLMemoryPBOAllocator))
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#define GST_GL_MEMORY_PBO_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_GL_MEMORY_PBO_ALLOCATOR, GstGLAllocatorClass))
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#define GST_GL_MEMORY_PBO_ALLOCATOR_CAST(obj) ((GstGLMemoryPBOAllocator *)(obj))
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/**
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* GstGLMemoryPBO:
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*
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* Private instance
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*/
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struct _GstGLMemoryPBO
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{
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GstGLMemory mem;
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/* <private> */
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GstGLBuffer *pbo;
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};
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/**
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* GST_GL_MEMORY_PBO_ALLOCATOR:
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*
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* The name of the GL Memory PBO allocator
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*/
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#define GST_GL_MEMORY_PBO_ALLOCATOR_NAME "GLMemoryPBO"
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void gst_gl_memory_pbo_init_once (void);
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gboolean gst_is_gl_memory_pbo (GstMemory * mem);
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GstMemory * gst_gl_memory_pbo_alloc (GstGLContext * context,
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GstGLTextureTarget target,
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GstAllocationParams *params,
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GstVideoInfo * info,
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guint plane,
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GstVideoAlignment *valign);
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GstGLMemoryPBO * gst_gl_memory_pbo_wrapped (GstGLContext * context,
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GstGLTextureTarget target,
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GstVideoInfo * info,
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guint plane,
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GstVideoAlignment *valign,
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gpointer data,
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gpointer user_data,
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GDestroyNotify notify);
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GstGLMemoryPBO * gst_gl_memory_pbo_wrapped_texture (GstGLContext * context,
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guint texture_id,
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GstGLTextureTarget target,
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GstVideoInfo * info,
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guint plane,
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GstVideoAlignment *valign,
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gpointer user_data,
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GDestroyNotify notify);
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void gst_gl_memory_pbo_download_transfer (GstGLMemoryPBO * gl_mem);
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void gst_gl_memory_pbo_upload_transfer (GstGLMemoryPBO * gl_mem);
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gboolean gst_gl_memory_pbo_copy_into_texture (GstGLMemoryPBO *gl_mem,
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guint tex_id,
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GstGLTextureTarget target,
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GstVideoGLTextureType tex_type,
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gint width,
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gint height,
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gint stride,
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gboolean respecify);
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gboolean gst_gl_memory_pbo_setup_buffer (GstGLContext * context,
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GstGLTextureTarget target,
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GstAllocationParams * params,
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GstVideoInfo * info,
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GstVideoAlignment *valign,
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GstBuffer * buffer);
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gboolean gst_gl_memory_pbo_setup_wrapped (GstGLContext * context,
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GstGLTextureTarget target,
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GstVideoInfo * info,
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GstVideoAlignment *valign,
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gpointer data[GST_VIDEO_MAX_PLANES],
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GstGLMemoryPBO *textures[GST_VIDEO_MAX_PLANES],
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gpointer user_data,
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GDestroyNotify notify);
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/**
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* GstGLAllocator
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*
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* Opaque #GstGLAllocator struct
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*/
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struct _GstGLMemoryPBOAllocator
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{
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GstGLMemoryAllocator parent;
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};
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/**
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* GstGLAllocatorClass:
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*
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* The #GstGLAllocatorClass only contains private data
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*/
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struct _GstGLMemoryPBOAllocatorClass
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{
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GstGLMemoryAllocatorClass parent_class;
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};
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G_END_DECLS
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#endif /* _GST_GL_MEMORY_PBO_H_ */
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