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https://git.ffmpeg.org/ffmpeg.git
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avutil/hwcontext_vulkan: add support for exporting memory via Win32 Handles
This commit is contained in:
Timo Rothenpieler
parent
fedf4ff85c
commit
2ece70090d
@ -21,6 +21,7 @@
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#ifdef _WIN32
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#include <windows.h> /* Included to prevent conflicts with CreateSemaphore */
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#include <versionhelpers.h>
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#include "compat/w32dlfcn.h"
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#else
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#include <dlfcn.h>
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@ -123,6 +124,10 @@ typedef struct AVVkFrameInternal {
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CUmipmappedArray cu_mma[AV_NUM_DATA_POINTERS];
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CUarray cu_array[AV_NUM_DATA_POINTERS];
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CUexternalSemaphore cu_sem[AV_NUM_DATA_POINTERS];
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#ifdef _WIN32
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HANDLE ext_mem_handle[AV_NUM_DATA_POINTERS];
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HANDLE ext_sem_handle[AV_NUM_DATA_POINTERS];
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#endif
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#endif
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} AVVkFrameInternal;
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@ -309,6 +314,10 @@ static const VulkanOptExtension optional_device_exts[] = {
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{ VK_EXT_IMAGE_DRM_FORMAT_MODIFIER_EXTENSION_NAME, FF_VK_EXT_DRM_MODIFIER_FLAGS },
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{ VK_KHR_EXTERNAL_SEMAPHORE_FD_EXTENSION_NAME, FF_VK_EXT_EXTERNAL_FD_SEM },
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{ VK_EXT_EXTERNAL_MEMORY_HOST_EXTENSION_NAME, FF_VK_EXT_EXTERNAL_HOST_MEMORY },
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#ifdef _WIN32
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{ VK_KHR_EXTERNAL_MEMORY_WIN32_EXTENSION_NAME, FF_VK_EXT_EXTERNAL_WIN32_MEMORY },
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{ VK_KHR_EXTERNAL_SEMAPHORE_WIN32_EXTENSION_NAME, FF_VK_EXT_EXTERNAL_WIN32_SEM },
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#endif
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/* Video encoding/decoding */
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{ VK_KHR_VIDEO_QUEUE_EXTENSION_NAME, FF_VK_EXT_NO_FLAG },
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@ -1575,6 +1584,12 @@ static void vulkan_free_internal(AVVkFrame *f)
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CHECK_CU(cu->cuMipmappedArrayDestroy(internal->cu_mma[i]));
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if (internal->ext_mem[i])
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CHECK_CU(cu->cuDestroyExternalMemory(internal->ext_mem[i]));
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#ifdef _WIN32
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if (internal->ext_sem_handle[i])
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CloseHandle(internal->ext_sem_handle[i]);
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if (internal->ext_mem_handle[i])
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CloseHandle(internal->ext_mem_handle[i]);
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#endif
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}
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av_buffer_unref(&internal->cuda_fc_ref);
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@ -1811,12 +1826,22 @@ static int create_frame(AVHWFramesContext *hwfc, AVVkFrame **frame,
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VkExportSemaphoreCreateInfo ext_sem_info = {
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.sType = VK_STRUCTURE_TYPE_EXPORT_SEMAPHORE_CREATE_INFO,
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#ifdef _WIN32
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.handleTypes = IsWindows8OrGreater()
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? VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_WIN32_BIT
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: VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_WIN32_KMT_BIT,
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#else
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.handleTypes = VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_FD_BIT,
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#endif
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};
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VkSemaphoreTypeCreateInfo sem_type_info = {
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.sType = VK_STRUCTURE_TYPE_SEMAPHORE_TYPE_CREATE_INFO,
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#ifdef _WIN32
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.pNext = p->extensions & FF_VK_EXT_EXTERNAL_WIN32_SEM ? &ext_sem_info : NULL,
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#else
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.pNext = p->extensions & FF_VK_EXT_EXTERNAL_FD_SEM ? &ext_sem_info : NULL,
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#endif
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.semaphoreType = VK_SEMAPHORE_TYPE_TIMELINE,
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.initialValue = 0,
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};
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@ -1947,6 +1972,12 @@ static AVBufferRef *vulkan_pool_alloc(void *opaque, size_t size)
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.pNext = hwctx->create_pnext,
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};
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#ifdef _WIN32
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if (p->extensions & FF_VK_EXT_EXTERNAL_WIN32_MEMORY)
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try_export_flags(hwfc, &eiinfo.handleTypes, &e, IsWindows8OrGreater()
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? VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_WIN32_BIT
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: VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_WIN32_KMT_BIT);
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#else
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if (p->extensions & FF_VK_EXT_EXTERNAL_FD_MEMORY)
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try_export_flags(hwfc, &eiinfo.handleTypes, &e,
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VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT);
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@ -1954,6 +1985,7 @@ static AVBufferRef *vulkan_pool_alloc(void *opaque, size_t size)
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if (p->extensions & (FF_VK_EXT_EXTERNAL_DMABUF_MEMORY | FF_VK_EXT_DRM_MODIFIER_FLAGS))
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try_export_flags(hwfc, &eiinfo.handleTypes, &e,
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VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT);
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#endif
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for (int i = 0; i < av_pix_fmt_count_planes(hwfc->sw_format); i++) {
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eminfo[i].sType = VK_STRUCTURE_TYPE_EXPORT_MEMORY_ALLOCATE_INFO;
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@ -2651,6 +2683,43 @@ static int vulkan_export_to_cuda(AVHWFramesContext *hwfc,
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},
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.numLevels = 1,
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};
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int p_w, p_h;
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#ifdef _WIN32
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CUDA_EXTERNAL_MEMORY_HANDLE_DESC ext_desc = {
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.type = IsWindows8OrGreater()
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? CU_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_WIN32
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: CU_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_WIN32_KMT,
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.size = dst_f->size[i],
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};
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VkMemoryGetWin32HandleInfoKHR export_info = {
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.sType = VK_STRUCTURE_TYPE_MEMORY_GET_WIN32_HANDLE_INFO_KHR,
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.memory = dst_f->mem[i],
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.handleType = IsWindows8OrGreater()
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? VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_WIN32_BIT
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: VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_WIN32_KMT_BIT,
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};
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VkSemaphoreGetWin32HandleInfoKHR sem_export = {
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.sType = VK_STRUCTURE_TYPE_SEMAPHORE_GET_WIN32_HANDLE_INFO_KHR,
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.semaphore = dst_f->sem[i],
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.handleType = IsWindows8OrGreater()
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? VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_WIN32_BIT
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: VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_WIN32_KMT_BIT,
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};
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CUDA_EXTERNAL_SEMAPHORE_HANDLE_DESC ext_sem_desc = {
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.type = 10 /* TODO: CU_EXTERNAL_SEMAPHORE_HANDLE_TYPE_TIMELINE_SEMAPHORE_WIN32 */,
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};
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ret = vk->GetMemoryWin32HandleKHR(hwctx->act_dev, &export_info,
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&ext_desc.handle.win32.handle);
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if (ret != VK_SUCCESS) {
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av_log(hwfc, AV_LOG_ERROR, "Unable to export the image as a Win32 Handle: %s!\n",
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vk_ret2str(ret));
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err = AVERROR_EXTERNAL;
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goto fail;
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}
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dst_int->ext_mem_handle[i] = ext_desc.handle.win32.handle;
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#else
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CUDA_EXTERNAL_MEMORY_HANDLE_DESC ext_desc = {
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.type = CU_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD,
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.size = dst_f->size[i],
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@ -2669,12 +2738,6 @@ static int vulkan_export_to_cuda(AVHWFramesContext *hwfc,
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.type = 9 /* TODO: CU_EXTERNAL_SEMAPHORE_HANDLE_TYPE_TIMELINE_SEMAPHORE_FD */,
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};
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int p_w, p_h;
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get_plane_wh(&p_w, &p_h, hwfc->sw_format, hwfc->width, hwfc->height, i);
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tex_desc.arrayDesc.Width = p_w;
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tex_desc.arrayDesc.Height = p_h;
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ret = vk->GetMemoryFdKHR(hwctx->act_dev, &export_info,
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&ext_desc.handle.fd);
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if (ret != VK_SUCCESS) {
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@ -2683,14 +2746,21 @@ static int vulkan_export_to_cuda(AVHWFramesContext *hwfc,
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err = AVERROR_EXTERNAL;
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goto fail;
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}
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#endif
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ret = CHECK_CU(cu->cuImportExternalMemory(&dst_int->ext_mem[i], &ext_desc));
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if (ret < 0) {
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#ifndef _WIN32
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close(ext_desc.handle.fd);
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#endif
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err = AVERROR_EXTERNAL;
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goto fail;
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}
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get_plane_wh(&p_w, &p_h, hwfc->sw_format, hwfc->width, hwfc->height, i);
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tex_desc.arrayDesc.Width = p_w;
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tex_desc.arrayDesc.Height = p_h;
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ret = CHECK_CU(cu->cuExternalMemoryGetMappedMipmappedArray(&dst_int->cu_mma[i],
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dst_int->ext_mem[i],
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&tex_desc));
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@ -2706,19 +2776,29 @@ static int vulkan_export_to_cuda(AVHWFramesContext *hwfc,
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goto fail;
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}
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#ifdef _WIN32
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ret = vk->GetSemaphoreWin32HandleKHR(hwctx->act_dev, &sem_export,
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&ext_sem_desc.handle.win32.handle);
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#else
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ret = vk->GetSemaphoreFdKHR(hwctx->act_dev, &sem_export,
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&ext_sem_desc.handle.fd);
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#endif
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if (ret != VK_SUCCESS) {
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av_log(ctx, AV_LOG_ERROR, "Failed to export semaphore: %s\n",
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vk_ret2str(ret));
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err = AVERROR_EXTERNAL;
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goto fail;
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}
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#ifdef _WIN32
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dst_int->ext_sem_handle[i] = ext_sem_desc.handle.win32.handle;
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#endif
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ret = CHECK_CU(cu->cuImportExternalSemaphore(&dst_int->cu_sem[i],
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&ext_sem_desc));
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if (ret < 0) {
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#ifndef _WIN32
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close(ext_sem_desc.handle.fd);
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#endif
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err = AVERROR_EXTERNAL;
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goto fail;
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}
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@ -3544,8 +3624,13 @@ static int vulkan_transfer_data_to(AVHWFramesContext *hwfc, AVFrame *dst,
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switch (src->format) {
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#if CONFIG_CUDA
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case AV_PIX_FMT_CUDA:
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#ifdef _WIN32
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if ((p->extensions & FF_VK_EXT_EXTERNAL_WIN32_MEMORY) &&
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(p->extensions & FF_VK_EXT_EXTERNAL_WIN32_SEM))
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#else
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if ((p->extensions & FF_VK_EXT_EXTERNAL_FD_MEMORY) &&
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(p->extensions & FF_VK_EXT_EXTERNAL_FD_SEM))
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#endif
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return vulkan_transfer_data_from_cuda(hwfc, dst, src);
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#endif
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default:
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@ -3657,8 +3742,13 @@ static int vulkan_transfer_data_from(AVHWFramesContext *hwfc, AVFrame *dst,
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switch (dst->format) {
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#if CONFIG_CUDA
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case AV_PIX_FMT_CUDA:
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#ifdef _WIN32
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if ((p->extensions & FF_VK_EXT_EXTERNAL_WIN32_MEMORY) &&
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(p->extensions & FF_VK_EXT_EXTERNAL_WIN32_SEM))
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#else
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if ((p->extensions & FF_VK_EXT_EXTERNAL_FD_MEMORY) &&
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(p->extensions & FF_VK_EXT_EXTERNAL_FD_SEM))
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#endif
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return vulkan_transfer_data_to_cuda(hwfc, dst, src);
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#endif
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default:
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