gstreamer/subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkvideo-private.h

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/*
* GStreamer
* Copyright (C) 2023 Igalia, S.L.
*
* 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.
*/
#pragma once
#include <gst/gst.h>
#include <gst/vulkan/gstvkapi.h>
#include <gst/vulkan/gstvkvideoutils.h>
G_BEGIN_DECLS
#define VK_CODEC_VER_MAJ(ver) (ver >> 22)
#define VK_CODEC_VER_MIN(ver) ((ver >> 12) & ((1 << 10) - 1))
#define VK_CODEC_VER_REV(ver) (ver & ((1 << 12) - 1))
#define VK_CODEC_VERSION(ver) VK_CODEC_VER_MAJ (ver), VK_CODEC_VER_MIN (ver), VK_CODEC_VER_REV (ver)
typedef struct _GstVulkanVideoFunctions GstVulkanVideoFunctions;
typedef struct _GstVulkanVideoSession GstVulkanVideoSession;
struct _GstVulkanVideoSession
{
GstVulkanHandle *session;
GstBuffer *buffer;
};
typedef enum {
GST_VK_VIDEO_EXTENSION_DECODE_H264,
GST_VK_VIDEO_EXTENSION_DECODE_H265,
} GST_VK_VIDEO_EXTENSIONS;
#define GST_VULKAN_VIDEO_FN_LIST(V) \
V(GetPhysicalDeviceVideoFormatProperties) \
V(GetPhysicalDeviceVideoCapabilities) \
V(CreateVideoSession) \
V(DestroyVideoSession) \
V(GetVideoSessionMemoryRequirements) \
V(DestroyVideoSessionParameters) \
V(UpdateVideoSessionParameters) \
V(CreateVideoSessionParameters) \
V(BindVideoSessionMemory) \
V(CmdPipelineBarrier2) \
V(CmdBeginVideoCoding) \
V(CmdControlVideoCoding) \
V(CmdEndVideoCoding) \
V(CmdDecodeVideo)
struct _GstVulkanVideoFunctions
{
#define DEFINE_FUNCTION(name) G_PASTE(G_PASTE(PFN_vk, name), KHR) name;
GST_VULKAN_VIDEO_FN_LIST (DEFINE_FUNCTION)
#undef DEFINE_FUNCTION
};
extern const VkExtensionProperties _vk_codec_extensions[2];
extern const VkComponentMapping _vk_identity_component_map;
gboolean gst_vulkan_video_get_vk_functions (GstVulkanInstance * instance,
GstVulkanVideoFunctions * vk_funcs);
gboolean gst_vulkan_video_session_create (GstVulkanVideoSession * session,
GstVulkanDevice * device,
GstVulkanVideoFunctions * vk,
VkVideoSessionCreateInfoKHR * session_create,
GError ** error);
void gst_vulkan_video_session_destroy (GstVulkanVideoSession * session);
GstBuffer * gst_vulkan_video_codec_buffer_new (GstVulkanDevice * device,
const GstVulkanVideoProfile *profile,
VkBufferUsageFlags usage,
gsize size);
G_END_DECLS