mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-22 16:26:39 +00:00
226 lines
11 KiB
C
226 lines
11 KiB
C
/*
|
|
* GStreamer
|
|
* Copyright (C) 2015 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_MEMORY_H_
|
|
#define _GST_GL_MEMORY_H_
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/gstallocator.h>
|
|
#include <gst/gstmemory.h>
|
|
#include <gst/video/video.h>
|
|
|
|
#include <gst/gl/gstglbasememory.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_GL_MEMORY_ALLOCATOR (gst_gl_memory_allocator_get_type())
|
|
GType gst_gl_memory_allocator_get_type(void);
|
|
|
|
#define GST_IS_GL_MEMORY_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_GL_MEMORY_ALLOCATOR))
|
|
#define GST_IS_GL_MEMORY_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_GL_MEMORY_ALLOCATOR))
|
|
#define GST_GL_MEMORY_ALLOCATOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_GL_MEMORY_ALLOCATOR, GstGLMemoryAllocatorClass))
|
|
#define GST_GL_MEMORY_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_GL_MEMORY_ALLOCATOR, GstGLMemoryAllocator))
|
|
#define GST_GL_MEMORY_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_GL_MEMORY_ALLOCATOR, GstGLMemoryAllocatorClass))
|
|
#define GST_GL_MEMORY_ALLOCATOR_CAST(obj) ((GstGLMemoryAllocator *)(obj))
|
|
|
|
#define GST_GL_MEMORY_CAST(obj) ((GstGLMemory *) obj)
|
|
|
|
#define GST_CAPS_FEATURE_MEMORY_GL_MEMORY "memory:GLMemory"
|
|
#define GST_GL_MEMORY_VIDEO_FORMATS_STR \
|
|
"{ RGBA, BGRA, RGBx, BGRx, ARGB, ABGR, xRGB, xBGR, RGB, BGR, RGB16, BGR16, " \
|
|
"AYUV, I420, YV12, NV12, NV21, YUY2, UYVY, Y41B, Y42B, Y444, " \
|
|
"GRAY8, GRAY16_LE, GRAY16_BE }"
|
|
|
|
/**
|
|
* GstGLMemory:
|
|
* @mem: the parent object
|
|
* @context: the #GstGLContext to use for GL operations
|
|
* @tex_id: the GL texture id for this memory
|
|
* @tex_target: the GL texture target for this memory
|
|
* @tex_type: the texture type
|
|
* @info: the texture's #GstVideoInfo
|
|
* @valign: data alignment for system memory mapping
|
|
* @plane: data plane in @info
|
|
* @tex_scaling: GL shader scaling parameters for @valign and/or width/height
|
|
*
|
|
* Represents information about a GL texture
|
|
*/
|
|
struct _GstGLMemory
|
|
{
|
|
GstGLBaseMemory mem;
|
|
|
|
guint tex_id;
|
|
GstGLTextureTarget tex_target;
|
|
GstVideoGLTextureType tex_type;
|
|
GstVideoInfo info;
|
|
GstVideoAlignment valign;
|
|
guint plane;
|
|
gfloat tex_scaling[2];
|
|
|
|
/* <protected> */
|
|
gboolean texture_wrapped;
|
|
guint unpack_length;
|
|
guint tex_width;
|
|
};
|
|
|
|
typedef struct _GstGLVideoAllocationParams GstGLVideoAllocationParams;
|
|
|
|
#define GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_VIDEO (1 << 3)
|
|
|
|
struct _GstGLVideoAllocationParams
|
|
{
|
|
GstGLAllocationParams parent;
|
|
|
|
GstVideoInfo *v_info;
|
|
guint plane;
|
|
GstVideoAlignment *valign;
|
|
GstGLTextureTarget target;
|
|
};
|
|
|
|
gboolean gst_gl_video_allocation_params_init_full (GstGLVideoAllocationParams * params,
|
|
gsize struct_size,
|
|
guint alloc_flags,
|
|
GstGLAllocationParamsCopyFunc copy,
|
|
GstGLAllocationParamsFreeFunc free,
|
|
GstGLContext * context,
|
|
GstAllocationParams * alloc_params,
|
|
GstVideoInfo * v_info,
|
|
guint plane,
|
|
GstVideoAlignment * valign,
|
|
GstGLTextureTarget target,
|
|
gpointer wrapped_data,
|
|
guint gl_handle,
|
|
gpointer user_data,
|
|
GDestroyNotify notify);
|
|
GstGLVideoAllocationParams * gst_gl_video_allocation_params_new (GstGLContext * context,
|
|
GstAllocationParams * alloc_params,
|
|
GstVideoInfo * v_info,
|
|
guint plane,
|
|
GstVideoAlignment * valign,
|
|
GstGLTextureTarget target);
|
|
GstGLVideoAllocationParams * gst_gl_video_allocation_params_new_wrapped_data (GstGLContext * context,
|
|
GstAllocationParams * alloc_params,
|
|
GstVideoInfo * v_info,
|
|
guint plane,
|
|
GstVideoAlignment * valign,
|
|
GstGLTextureTarget target,
|
|
gpointer wrapped_data,
|
|
gpointer user_data,
|
|
GDestroyNotify notify);
|
|
|
|
GstGLVideoAllocationParams * gst_gl_video_allocation_params_new_wrapped_texture (GstGLContext * context,
|
|
GstAllocationParams * alloc_params,
|
|
GstVideoInfo * v_info,
|
|
guint plane,
|
|
GstVideoAlignment * valign,
|
|
GstGLTextureTarget target,
|
|
guint tex_id,
|
|
gpointer user_data,
|
|
GDestroyNotify notify);
|
|
|
|
/* subclass usage */
|
|
void gst_gl_video_allocation_params_free_data (GstGLVideoAllocationParams * params);
|
|
/* subclass usage */
|
|
void gst_gl_video_allocation_params_copy_data (GstGLVideoAllocationParams * src,
|
|
GstGLVideoAllocationParams * dest);
|
|
|
|
/**
|
|
* GstGLMemoryAllocator
|
|
*
|
|
* Opaque #GstGLMemoryAllocator struct
|
|
*/
|
|
struct _GstGLMemoryAllocator
|
|
{
|
|
GstGLBaseMemoryAllocator parent;
|
|
};
|
|
|
|
/**
|
|
* GstGLMemoryAllocatorClass:
|
|
*
|
|
* The #GstGLMemoryAllocatorClass only contains private data
|
|
*/
|
|
struct _GstGLMemoryAllocatorClass
|
|
{
|
|
GstGLBaseMemoryAllocatorClass parent_class;
|
|
|
|
GstGLBaseMemoryAllocatorMapFunction map;
|
|
GstGLBaseMemoryAllocatorCopyFunction copy;
|
|
GstGLBaseMemoryAllocatorUnmapFunction unmap;
|
|
};
|
|
|
|
#include <gst/gl/gstglbasememory.h>
|
|
|
|
/**
|
|
* GST_GL_MEMORY_ALLOCATOR_NAME:
|
|
*
|
|
* The name of the GL memory allocator
|
|
*/
|
|
#define GST_GL_MEMORY_ALLOCATOR_NAME "GLMemory"
|
|
|
|
void gst_gl_memory_init_once (void);
|
|
gboolean gst_is_gl_memory (GstMemory * mem);
|
|
|
|
void gst_gl_memory_init (GstGLMemory * mem,
|
|
GstAllocator * allocator,
|
|
GstMemory * parent,
|
|
GstGLContext * context,
|
|
GstGLTextureTarget target,
|
|
GstAllocationParams *params,
|
|
GstVideoInfo * info,
|
|
guint plane,
|
|
GstVideoAlignment *valign,
|
|
gpointer user_data,
|
|
GDestroyNotify notify);
|
|
|
|
gboolean gst_gl_memory_copy_into (GstGLMemory *gl_mem,
|
|
guint tex_id,
|
|
GstGLTextureTarget target,
|
|
GstVideoGLTextureType tex_type,
|
|
gint width,
|
|
gint height);
|
|
gboolean gst_gl_memory_copy_teximage (GstGLMemory * src,
|
|
guint tex_id,
|
|
GstGLTextureTarget out_target,
|
|
GstVideoGLTextureType out_tex_type,
|
|
gint width,
|
|
gint height);
|
|
|
|
gboolean gst_gl_memory_read_pixels (GstGLMemory * gl_mem,
|
|
gpointer read_pointer);
|
|
void gst_gl_memory_texsubimage (GstGLMemory * gl_mem,
|
|
gpointer read_pointer);
|
|
|
|
/* accessors */
|
|
gint gst_gl_memory_get_texture_width (GstGLMemory * gl_mem);
|
|
gint gst_gl_memory_get_texture_height (GstGLMemory * gl_mem);
|
|
GstVideoGLTextureType gst_gl_memory_get_texture_type (GstGLMemory * gl_mem);
|
|
GstGLTextureTarget gst_gl_memory_get_texture_target (GstGLMemory * gl_mem);
|
|
guint gst_gl_memory_get_texture_id (GstGLMemory * gl_mem);
|
|
|
|
gboolean gst_gl_memory_setup_buffer (GstGLMemoryAllocator * allocator,
|
|
GstBuffer * buffer,
|
|
GstGLVideoAllocationParams * params);
|
|
|
|
|
|
GstGLMemoryAllocator * gst_gl_memory_allocator_get_default (GstGLContext *context);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* _GST_GL_MEMORY_H_ */
|