mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-14 13:21:28 +00:00
b82a402bf1
This does also mean that if the primary format fails this check, we need to try the secondary format before returning an error Fixes: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/2957 Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5288>
158 lines
6 KiB
C
158 lines
6 KiB
C
/*
|
|
* GStreamer
|
|
* Copyright (C) 2016 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_VULKAN_FORMAT_H__
|
|
#define __GST_VULKAN_FORMAT_H__
|
|
|
|
#include <gst/vulkan/vulkan.h>
|
|
#include <gst/video/video.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
typedef struct _GstVulkanFormatInfo GstVulkanFormatInfo;
|
|
|
|
/**
|
|
* GST_VULKAN_MAX_COMPONENTS:
|
|
*
|
|
* Since: 1.18
|
|
*/
|
|
#define GST_VULKAN_MAX_COMPONENTS 4
|
|
|
|
/**
|
|
* GstVulkanFormatScaling:
|
|
* @GST_VULKAN_FORMAT_SCALING_UNORM: [0, 2^n - 1] -> [0.0, 1.0]
|
|
* @GST_VULKAN_FORMAT_SCALING_SNORM: [-2^(n-1), 2^(n-1) - 1] -> [-1.0, 1.0]
|
|
* @GST_VULKAN_FORMAT_SCALING_USCALED: [0, 2^n - 1] -> [0.0, float(2^n - 1)]
|
|
* @GST_VULKAN_FORMAT_SCALING_SSCALED: [-2^(n-1), 2^(n-1) - 1] -> [float(-2^(n-1)), float(2^(n-1) - 1)]
|
|
* @GST_VULKAN_FORMAT_SCALING_UINT: [0, 2^n - 1] -> [0, 2^n - 1]
|
|
* @GST_VULKAN_FORMAT_SCALING_SINT: [-2^(n-1), 2^(n-1) - 1] -> [-2^(n-1), 2^(n-1) - 1]
|
|
* @GST_VULKAN_FORMAT_SCALING_SRGB: @GST_VULKAN_FORMAT_SCALING_UNORM but the first three components are gamma corrected for the sRGB colour space.
|
|
*
|
|
* Since: 1.18
|
|
*/
|
|
typedef enum
|
|
{
|
|
GST_VULKAN_FORMAT_SCALING_UNORM = 1,
|
|
GST_VULKAN_FORMAT_SCALING_SNORM,
|
|
GST_VULKAN_FORMAT_SCALING_USCALED,
|
|
GST_VULKAN_FORMAT_SCALING_SSCALED,
|
|
GST_VULKAN_FORMAT_SCALING_UINT,
|
|
GST_VULKAN_FORMAT_SCALING_SINT,
|
|
GST_VULKAN_FORMAT_SCALING_SRGB,
|
|
} GstVulkanFormatScaling;
|
|
|
|
/**
|
|
* GstVulkanFormatFlags:
|
|
* @GST_VULKAN_FORMAT_FLAG_YUV: is a YUV format
|
|
* @GST_VULKAN_FORMAT_FLAG_RGB: is a RGB format
|
|
* @GST_VULKAN_FORMAT_FLAG_ALPHA: has an alpha channel
|
|
* @GST_VULKAN_FORMAT_FLAG_LE: data is stored in little-endiate byte order
|
|
* @GST_VULKAN_FORMAT_FLAG_COMPLEX: data is stored complex and cannot be read/write only using the information in the #GstVulkanFormatInfo
|
|
*
|
|
* Since: 1.18
|
|
*/
|
|
typedef enum
|
|
{
|
|
GST_VULKAN_FORMAT_FLAG_YUV = (1 << 0),
|
|
GST_VULKAN_FORMAT_FLAG_RGB = (1 << 1),
|
|
GST_VULKAN_FORMAT_FLAG_ALPHA = (1 << 2),
|
|
GST_VULKAN_FORMAT_FLAG_LE = (1 << 3),
|
|
GST_VULKAN_FORMAT_FLAG_COMPLEX = (1 << 4),
|
|
} GstVulkanFormatFlags;
|
|
|
|
/**
|
|
* GstVulkanFormatInfo:
|
|
* @format: the Vulkan format being described
|
|
* @name: name of this format
|
|
* @scaling: how raw data is interpreted and scaled
|
|
* @flags: flags that apply to this format
|
|
* @bits: The number of bits used to pack data items. This can be less than
|
|
* 8 when multiple pixels are stored in a byte. for values > 8 multiple
|
|
* bytes should be read according to the endianness flag before
|
|
* applying the shift and mask.
|
|
* @n_components; number of components in this format
|
|
* @shift: the number of bits to shift away to get the component data
|
|
* @depth: the depth in bits for each component
|
|
* @n_planes: the number of planes for this format. The number of planes can
|
|
* be less than the amount of components when multiple components
|
|
* are packed into one plane.
|
|
* @plane: the plane number where a component can be found
|
|
* @poffset: the offset in the plane where the first pixel of the components
|
|
* can be found.
|
|
* @w_sub: subsampling factor of the width for the component.
|
|
* Use GST_VIDEO_SUB_SCALE to scale a width.
|
|
* @h_sub: subsampling factor of the height for the component.
|
|
* Use GST_VIDEO_SUB_SCALE to scale a height.
|
|
*
|
|
* Since: 1.18
|
|
*/
|
|
struct _GstVulkanFormatInfo
|
|
{
|
|
VkFormat format;
|
|
const gchar *name;
|
|
GstVulkanFormatScaling scaling;
|
|
GstVulkanFormatFlags flags;
|
|
guint bits;
|
|
guint n_components;
|
|
guint8 shift[GST_VULKAN_MAX_COMPONENTS];
|
|
guint8 depth[GST_VULKAN_MAX_COMPONENTS];
|
|
gint8 pixel_stride[GST_VULKAN_MAX_COMPONENTS];
|
|
guint n_planes;
|
|
guint8 plane[GST_VULKAN_MAX_COMPONENTS];
|
|
guint8 poffset[GST_VULKAN_MAX_COMPONENTS];
|
|
guint8 w_sub[GST_VULKAN_MAX_COMPONENTS];
|
|
guint8 h_sub[GST_VULKAN_MAX_COMPONENTS];
|
|
|
|
/**
|
|
* GstVulkanFormatInfo.aspect:
|
|
*
|
|
* image aspect of this format
|
|
*
|
|
* Since: 1.24
|
|
*/
|
|
VkImageAspectFlags aspect;
|
|
};
|
|
|
|
GST_VULKAN_API
|
|
const GstVulkanFormatInfo * gst_vulkan_format_get_info (VkFormat format);
|
|
|
|
GST_VULKAN_API
|
|
guint gst_vulkan_format_get_aspect (VkFormat format);
|
|
|
|
GST_VULKAN_API
|
|
VkFormat gst_vulkan_format_from_video_info (GstVideoInfo * v_info,
|
|
guint plane);
|
|
|
|
GST_VULKAN_API
|
|
gboolean gst_vulkan_format_from_video_info_2 (GstVulkanPhysicalDevice * physical_device,
|
|
GstVideoInfo * info,
|
|
VkImageTiling tiling,
|
|
gboolean no_multiplane,
|
|
VkImageUsageFlags requested_usage,
|
|
VkFormat fmts[GST_VIDEO_MAX_PLANES],
|
|
int * n_imgs,
|
|
VkImageUsageFlags * usage);
|
|
|
|
GST_VULKAN_API
|
|
GstVideoFormat gst_vulkan_format_to_video_format (VkFormat vk_format);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_VULKAN_FORMAT_H__ */
|