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101 lines
4.4 KiB
C
101 lines
4.4 KiB
C
/*
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* GStreamer
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* Copyright (C) 2023 Igalia, S.L.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#pragma once
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#include <gst/gst.h>
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#include <gst/vulkan/gstvkapi.h>
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#include <gst/vulkan/gstvkvideoutils.h>
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G_BEGIN_DECLS
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#define VK_CODEC_VER_MAJ(ver) (ver >> 22)
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#define VK_CODEC_VER_MIN(ver) ((ver >> 12) & ((1 << 10) - 1))
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#define VK_CODEC_VER_REV(ver) (ver & ((1 << 12) - 1))
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#define VK_CODEC_VERSION(ver) VK_CODEC_VER_MAJ (ver), VK_CODEC_VER_MIN (ver), VK_CODEC_VER_REV (ver)
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typedef struct _GstVulkanVideoFunctions GstVulkanVideoFunctions;
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typedef struct _GstVulkanVideoSession GstVulkanVideoSession;
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struct _GstVulkanVideoSession
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{
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GstVulkanHandle *session;
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GstBuffer *buffer;
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};
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typedef enum {
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GST_VK_VIDEO_EXTENSION_DECODE_H264,
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GST_VK_VIDEO_EXTENSION_DECODE_H265,
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GST_VK_VIDEO_EXTENSION_ENCODE_H264,
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GST_VK_VIDEO_EXTENSION_ENCODE_H265,
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} GST_VK_VIDEO_EXTENSIONS;
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#define GST_VULKAN_VIDEO_FN_LIST(V) \
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V(GetPhysicalDeviceVideoFormatProperties) \
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V(GetPhysicalDeviceVideoCapabilities) \
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V(CreateVideoSession) \
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V(DestroyVideoSession) \
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V(GetVideoSessionMemoryRequirements) \
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V(DestroyVideoSessionParameters) \
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V(UpdateVideoSessionParameters) \
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V(CreateVideoSessionParameters) \
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V(BindVideoSessionMemory) \
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V(CmdPipelineBarrier2) \
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V(CmdBeginVideoCoding) \
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V(CmdControlVideoCoding) \
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V(CmdEndVideoCoding) \
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V(CmdDecodeVideo)
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#if GST_VULKAN_HAVE_VIDEO_ENCODERS
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#define GST_VULKAN_VIDEO_ENCODING_FN_LIST(V) \
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V(CmdEncodeVideo) \
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V(GetEncodedVideoSessionParameters)
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#endif
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struct _GstVulkanVideoFunctions
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{
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#define DEFINE_FUNCTION(name) G_PASTE(G_PASTE(PFN_vk, name), KHR) name;
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GST_VULKAN_VIDEO_FN_LIST (DEFINE_FUNCTION)
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#if GST_VULKAN_HAVE_VIDEO_ENCODERS
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GST_VULKAN_VIDEO_ENCODING_FN_LIST (DEFINE_FUNCTION)
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#endif
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#undef DEFINE_FUNCTION
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};
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extern const VkExtensionProperties _vk_codec_extensions[4];
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extern const VkComponentMapping _vk_identity_component_map;
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gboolean gst_vulkan_video_get_vk_functions (GstVulkanInstance * instance,
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GstVulkanVideoFunctions * vk_funcs);
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gboolean gst_vulkan_video_session_create (GstVulkanVideoSession * session,
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GstVulkanDevice * device,
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GstVulkanVideoFunctions * vk,
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VkVideoSessionCreateInfoKHR * session_create,
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GError ** error);
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void gst_vulkan_video_session_destroy (GstVulkanVideoSession * session);
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GstBuffer * gst_vulkan_video_codec_buffer_new (GstVulkanDevice * device,
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const GstVulkanVideoProfile *profile,
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VkBufferUsageFlags usage,
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gsize size);
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G_END_DECLS
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