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/*
* 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_FORMAT_H_
#define _GST_GL_FORMAT_H_
#include <gst/gst.h>
#include <gst/gl/gstgl_fwd.h>
#include <gst/video/video.h>
/**
* GST_GL_TEXTURE_TARGET_2D_STR:
*
* String used for %GST_GL_TEXTURE_TARGET_2D in things like caps values
*/
#define GST_GL_TEXTURE_TARGET_2D_STR "2D"
/**
* GST_GL_TEXTURE_TARGET_RECTANGLE_STR:
*
* String used for %GST_GL_TEXTURE_TARGET_RECTANGLE in things like caps values
*/
#define GST_GL_TEXTURE_TARGET_RECTANGLE_STR "rectangle"
/**
* GST_GL_TEXTURE_TARGET_EXTERNAL_OES_STR:
*
* String used for %GST_GL_TEXTURE_TARGET_EXTERNAL_OES in things like caps values
*/
#define GST_GL_TEXTURE_TARGET_EXTERNAL_OES_STR "external-oes"
/**
* GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_2D:
*
* String used for %GST_GL_TEXTURE_TARGET_2D as a #GstBufferPool pool option
*/
#define GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_2D "GstBufferPoolOptionGLTextureTarget2D"
/**
* GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_RECTANGLE:
*
* String used for %GST_GL_TEXTURE_TARGET_RECTANGLE as a #GstBufferPool pool option
*/
#define GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_RECTANGLE "GstBufferPoolOptionGLTextureTargetRectangle"
/**
* GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_EXTERNAL_OES:
*
* String used for %GST_GL_TEXTURE_TARGET_EXTERNAL_OES as a #GstBufferPool pool option
*/
#define GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_EXTERNAL_OES "GstBufferPoolOptionGLTextureTargetExternalOES"
G_BEGIN_DECLS
/**
* GstGLFormat:
* @GST_GL_LUMINANCE: Single component replicated across R, G, and B textures
* components
* @GST_GL_ALPHA: Single component stored in the A texture component
* @GST_GL_LUMINANCE_ALPHA: Combination of #GST_GL_LUMINANCE and #GST_GL_ALPHA
* @GST_GL_RED: Single component stored in the R texture component
* @GST_GL_R8: Single 8-bit component stored in the R texture component
* @GST_GL_RG: Two components stored in the R and G texture components
* @GST_GL_RG8: Two 8-bit components stored in the R and G texture components
* @GST_GL_RGB: Three components stored in the R, G, and B texture components
* @GST_GL_RGB8: Three 8-bit components stored in the R, G, and B
* texture components
* @GST_GL_RGB565: Three components of bit depth 5, 6 and 5 stored in the R, G,
* and B texture components respectively.
* @GST_GL_RGB16: Three 16-bit components stored in the R, G, and B
* texture components
* @GST_GL_RGBA: Four components stored in the R, G, B, and A texture
* components respectively.
* @GST_GL_RGBA8: Four 8-bit components stored in the R, G, B, and A texture
* components respectively.
* @GST_GL_RGBA16: Four 16-bit components stored in the R, G, B, and A texture
* components respectively.
* @GST_GL_DEPTH_COMPONENT16: A single 16-bit component for depth information.
* @GST_GL_DEPTH24_STENCIL8: A 24-bit component for depth information and
* a 8-bit component for stencil informat.
* @GST_GL_RGBA10_A2: Four components of bit depth 10, 10, 10 and 2 stored in the
* R, G, B and A texture components respectively.
* @GST_GL_R16: Single 16-bit component stored in the R texture component
* @GST_GL_RG16: Two 16-bit components stored in the R and G texture components
*/
typedef enum
{
/* values taken from the GL headers */
GST_GL_LUMINANCE = 0x1909,
GST_GL_ALPHA = 0x1906,
GST_GL_LUMINANCE_ALPHA = 0x190A,
GST_GL_RED = 0x1903,
GST_GL_R8 = 0x8229,
GST_GL_RG = 0x8227,
GST_GL_RG8 = 0x822B,
GST_GL_RGB = 0x1907,
GST_GL_RGB8 = 0x8051,
GST_GL_RGB565 = 0x8D62,
GST_GL_RGB16 = 0x8054,
GST_GL_RGBA = 0x1908,
GST_GL_RGBA8 = 0x8058,
GST_GL_RGBA16 = 0x805B,
GST_GL_DEPTH_COMPONENT16 = 0x81A5,
GST_GL_DEPTH24_STENCIL8 = 0x88F0,
GST_GL_RGB10_A2 = 0x8059,
GST_GL_R16 = 0x822A,
GST_GL_RG16 = 0x822C,
} GstGLFormat;
GST_GL_API
guint gst_gl_format_type_n_bytes (guint format,
guint type);
GST_GL_API
GstGLFormat gst_gl_format_from_video_info (GstGLContext * context,
const GstVideoInfo * vinfo,
guint plane);
GST_GL_API
guint gst_gl_sized_gl_format_from_gl_format_type (GstGLContext * context,
guint format,
guint type);
GST_GL_API
void gst_gl_format_type_from_sized_gl_format (GstGLFormat format,
GstGLFormat * unsized_format,
guint * gl_type);
GST_GL_API
gboolean gst_gl_format_is_supported (GstGLContext * context,
GstGLFormat format);
GST_GL_API
GstGLTextureTarget gst_gl_texture_target_from_string (const gchar * str);
GST_GL_API
const gchar * gst_gl_texture_target_to_string (GstGLTextureTarget target);
GST_GL_API
guint gst_gl_texture_target_to_gl (GstGLTextureTarget target);
GST_GL_API
GstGLTextureTarget gst_gl_texture_target_from_gl (guint target);
GST_GL_API
const gchar * gst_gl_texture_target_to_buffer_pool_option (GstGLTextureTarget target);
G_END_DECLS
#endif /* _GST_GL_FORMAT_H_ */
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