| /* |
| * 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/gl/gstglbasememory.h> |
| #include <gst/gl/gstglformat.h> |
| |
| G_BEGIN_DECLS |
| |
| #define GST_TYPE_GL_MEMORY_ALLOCATOR (gst_gl_memory_allocator_get_type()) |
| GST_GL_API |
| 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) |
| |
| /** |
| * GST_CAPS_FEATURE_MEMORY_GL_MEMORY: |
| * |
| * Name of the caps feature for indicating the use of #GstGLMemory |
| */ |
| #define GST_CAPS_FEATURE_MEMORY_GL_MEMORY "memory:GLMemory" |
| /** |
| * GST_GL_MEMORY_VIDEO_FORMATS_STR: |
| * |
| * List of video formats that are supported by #GstGLMemory |
| */ |
| #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 #GstGLBaseMemory object |
| * @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; |
| GstGLFormat tex_format; |
| GstVideoInfo info; |
| GstVideoAlignment valign; |
| guint plane; |
| gfloat tex_scaling[2]; |
| |
| /* <protected> */ |
| gboolean texture_wrapped; |
| guint unpack_length; |
| guint tex_width; |
| |
| /* <private> */ |
| gpointer _padding[GST_PADDING]; |
| }; |
| |
| |
| #define GST_TYPE_GL_VIDEO_ALLOCATION_PARAMS (gst_gl_video_allocation_params_get_type()) |
| GST_GL_API |
| GType gst_gl_video_allocation_params_get_type (void); |
| |
| typedef struct _GstGLVideoAllocationParams GstGLVideoAllocationParams; |
| |
| /** |
| * GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_VIDEO: |
| * |
| * GL allocation flag indicating the allocation of 2D video frames |
| */ |
| #define GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_VIDEO (1 << 3) |
| |
| /** |
| * GstGLVideoAllocationParams: |
| * @parent: the parent #GstGLAllocationParams structure |
| * @v_info: the #GstVideoInfo to allocate |
| * @plane: the video plane index to allocate |
| * @valign: the #GstVideoAlignment to align the system representation to (may be %NULL for the default) |
| * @target: the #GstGLTextureTarget to allocate |
| * @tex_format: the #GstGLFormat to allocate |
| */ |
| struct _GstGLVideoAllocationParams |
| { |
| GstGLAllocationParams parent; |
| |
| GstVideoInfo *v_info; |
| guint plane; |
| GstVideoAlignment *valign; |
| GstGLTextureTarget target; |
| GstGLFormat tex_format; |
| |
| /* <private> */ |
| gpointer _padding[GST_PADDING]; |
| }; |
| |
| GST_GL_API |
| 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, |
| GstGLFormat tex_format, |
| gpointer wrapped_data, |
| gpointer gl_handle, |
| gpointer user_data, |
| GDestroyNotify notify); |
| GST_GL_API |
| GstGLVideoAllocationParams * gst_gl_video_allocation_params_new (GstGLContext * context, |
| GstAllocationParams * alloc_params, |
| GstVideoInfo * v_info, |
| guint plane, |
| GstVideoAlignment * valign, |
| GstGLTextureTarget target, |
| GstGLFormat tex_format); |
| GST_GL_API |
| GstGLVideoAllocationParams * gst_gl_video_allocation_params_new_wrapped_data (GstGLContext * context, |
| GstAllocationParams * alloc_params, |
| GstVideoInfo * v_info, |
| guint plane, |
| GstVideoAlignment * valign, |
| GstGLTextureTarget target, |
| GstGLFormat tex_format, |
| gpointer wrapped_data, |
| gpointer user_data, |
| GDestroyNotify notify); |
| |
| GST_GL_API |
| GstGLVideoAllocationParams * gst_gl_video_allocation_params_new_wrapped_texture (GstGLContext * context, |
| GstAllocationParams * alloc_params, |
| GstVideoInfo * v_info, |
| guint plane, |
| GstVideoAlignment * valign, |
| GstGLTextureTarget target, |
| GstGLFormat tex_format, |
| guint tex_id, |
| gpointer user_data, |
| GDestroyNotify notify); |
| |
| GST_GL_API |
| GstGLVideoAllocationParams * gst_gl_video_allocation_params_new_wrapped_gl_handle (GstGLContext * context, |
| GstAllocationParams * alloc_params, |
| GstVideoInfo * v_info, |
| guint plane, |
| GstVideoAlignment * valign, |
| GstGLTextureTarget target, |
| GstGLFormat tex_format, |
| gpointer gl_handle, |
| gpointer user_data, |
| GDestroyNotify notify); |
| |
| /* subclass usage */ |
| GST_GL_API |
| void gst_gl_video_allocation_params_free_data (GstGLVideoAllocationParams * params); |
| /* subclass usage */ |
| GST_GL_API |
| void gst_gl_video_allocation_params_copy_data (GstGLVideoAllocationParams * src_vid, |
| GstGLVideoAllocationParams * dest_vid); |
| |
| /** |
| * GstGLMemoryAllocator |
| * |
| * Opaque #GstGLMemoryAllocator struct |
| */ |
| struct _GstGLMemoryAllocator |
| { |
| /* <private> */ |
| GstGLBaseMemoryAllocator parent; |
| |
| gpointer _padding[GST_PADDING]; |
| }; |
| |
| /** |
| * GstGLMemoryAllocatorClass: |
| * @map: provide a custom map implementation |
| * @copy: provide a custom copy implementation |
| * @unmap: provide a custom unmap implementation |
| */ |
| struct _GstGLMemoryAllocatorClass |
| { |
| /* <private> */ |
| GstGLBaseMemoryAllocatorClass parent_class; |
| |
| /* <public> */ |
| GstGLBaseMemoryAllocatorMapFunction map; |
| GstGLBaseMemoryAllocatorCopyFunction copy; |
| GstGLBaseMemoryAllocatorUnmapFunction unmap; |
| |
| /* <private> */ |
| gpointer _padding[GST_PADDING]; |
| }; |
| |
| #include <gst/gl/gstglbasememory.h> |
| |
| /** |
| * GST_GL_MEMORY_ALLOCATOR_NAME: |
| * |
| * The name of the GL memory allocator |
| */ |
| #define GST_GL_MEMORY_ALLOCATOR_NAME "GLMemory" |
| |
| GST_GL_API |
| void gst_gl_memory_init_once (void); |
| GST_GL_API |
| gboolean gst_is_gl_memory (GstMemory * mem); |
| |
| GST_GL_API |
| void gst_gl_memory_init (GstGLMemory * mem, |
| GstAllocator * allocator, |
| GstMemory * parent, |
| GstGLContext * context, |
| GstGLTextureTarget target, |
| GstGLFormat tex_format, |
| GstAllocationParams *params, |
| GstVideoInfo * info, |
| guint plane, |
| GstVideoAlignment *valign, |
| gpointer user_data, |
| GDestroyNotify notify); |
| |
| GST_GL_API |
| gboolean gst_gl_memory_copy_into (GstGLMemory *gl_mem, |
| guint tex_id, |
| GstGLTextureTarget target, |
| GstGLFormat tex_format, |
| gint width, |
| gint height); |
| GST_GL_API |
| gboolean gst_gl_memory_copy_teximage (GstGLMemory * src, |
| guint tex_id, |
| GstGLTextureTarget out_target, |
| GstGLFormat out_tex_format, |
| gint out_width, |
| gint out_height); |
| |
| GST_GL_API |
| gboolean gst_gl_memory_read_pixels (GstGLMemory * gl_mem, |
| gpointer read_pointer); |
| GST_GL_API |
| void gst_gl_memory_texsubimage (GstGLMemory * gl_mem, |
| gpointer read_pointer); |
| |
| /* accessors */ |
| GST_GL_API |
| gint gst_gl_memory_get_texture_width (GstGLMemory * gl_mem); |
| GST_GL_API |
| gint gst_gl_memory_get_texture_height (GstGLMemory * gl_mem); |
| GST_GL_API |
| GstGLFormat gst_gl_memory_get_texture_format (GstGLMemory * gl_mem); |
| GST_GL_API |
| GstGLTextureTarget gst_gl_memory_get_texture_target (GstGLMemory * gl_mem); |
| GST_GL_API |
| guint gst_gl_memory_get_texture_id (GstGLMemory * gl_mem); |
| |
| GST_GL_API |
| gboolean gst_gl_memory_setup_buffer (GstGLMemoryAllocator * allocator, |
| GstBuffer * buffer, |
| GstGLVideoAllocationParams * params, |
| GstGLFormat *tex_formats, |
| gpointer *wrapped_data, |
| gsize n_wrapped_pointers); |
| |
| GST_GL_API |
| GstGLMemoryAllocator * gst_gl_memory_allocator_get_default (GstGLContext *context); |
| |
| G_END_DECLS |
| |
| #endif /* _GST_GL_MEMORY_H_ */ |
