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-rw-r--r--src/codec_query/nvenc.c235
-rw-r--r--src/codec_query/vaapi.c203
-rw-r--r--src/codec_query/vulkan.c156
3 files changed, 594 insertions, 0 deletions
diff --git a/src/codec_query/nvenc.c b/src/codec_query/nvenc.c
new file mode 100644
index 0000000..0501851
--- /dev/null
+++ b/src/codec_query/nvenc.c
@@ -0,0 +1,235 @@
+#include "../../include/codec_query/nvenc.h"
+#include "../../include/cuda.h"
+#include "../../external/nvEncodeAPI.h"
+
+#include <dlfcn.h>
+#include <stdio.h>
+#include <string.h>
+
+static void* open_nvenc_library(void) {
+ dlerror(); /* clear */
+ void *lib = dlopen("libnvidia-encode.so.1", RTLD_LAZY);
+ if(!lib) {
+ lib = dlopen("libnvidia-encode.so", RTLD_LAZY);
+ if(!lib) {
+ fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_nvenc failed: failed to load libnvidia-encode.so/libnvidia-encode.so.1, error: %s\n", dlerror());
+ return NULL;
+ }
+ }
+ return lib;
+}
+
+static bool profile_is_h264(const GUID *profile_guid) {
+ const GUID *h264_guids[] = {
+ &NV_ENC_H264_PROFILE_BASELINE_GUID,
+ &NV_ENC_H264_PROFILE_MAIN_GUID,
+ &NV_ENC_H264_PROFILE_HIGH_GUID,
+ &NV_ENC_H264_PROFILE_PROGRESSIVE_HIGH_GUID,
+ &NV_ENC_H264_PROFILE_CONSTRAINED_HIGH_GUID
+ };
+
+ for(int i = 0; i < 5; ++i) {
+ if(memcmp(profile_guid, h264_guids[i], sizeof(GUID)) == 0)
+ return true;
+ }
+
+ return false;
+}
+
+static bool profile_is_hevc(const GUID *profile_guid) {
+ const GUID *h264_guids[] = {
+ &NV_ENC_HEVC_PROFILE_MAIN_GUID,
+ };
+
+ for(int i = 0; i < 1; ++i) {
+ if(memcmp(profile_guid, h264_guids[i], sizeof(GUID)) == 0)
+ return true;
+ }
+
+ return false;
+}
+
+static bool profile_is_hevc_10bit(const GUID *profile_guid) {
+ const GUID *h264_guids[] = {
+ &NV_ENC_HEVC_PROFILE_MAIN10_GUID,
+ };
+
+ for(int i = 0; i < 1; ++i) {
+ if(memcmp(profile_guid, h264_guids[i], sizeof(GUID)) == 0)
+ return true;
+ }
+
+ return false;
+}
+
+static bool profile_is_av1(const GUID *profile_guid) {
+ const GUID *h264_guids[] = {
+ &NV_ENC_AV1_PROFILE_MAIN_GUID,
+ };
+
+ for(int i = 0; i < 1; ++i) {
+ if(memcmp(profile_guid, h264_guids[i], sizeof(GUID)) == 0)
+ return true;
+ }
+
+ return false;
+}
+
+static bool encoder_get_supported_profiles(const NV_ENCODE_API_FUNCTION_LIST *function_list, void *nvenc_encoder, const GUID *encoder_guid, gsr_supported_video_codecs *supported_video_codecs) {
+ bool success = false;
+ GUID *profile_guids = NULL;
+
+ uint32_t profile_guid_count = 0;
+ if(function_list->nvEncGetEncodeProfileGUIDCount(nvenc_encoder, *encoder_guid, &profile_guid_count) != NV_ENC_SUCCESS) {
+ fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_nvenc: nvEncGetEncodeProfileGUIDCount failed, error: %s\n", function_list->nvEncGetLastErrorString(nvenc_encoder));
+ goto fail;
+ }
+
+ if(profile_guid_count == 0)
+ goto fail;
+
+ profile_guids = calloc(profile_guid_count, sizeof(GUID));
+ if(!profile_guids) {
+ fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_nvenc: failed to allocate %d guids\n", (int)profile_guid_count);
+ goto fail;
+ }
+
+ if(function_list->nvEncGetEncodeProfileGUIDs(nvenc_encoder, *encoder_guid, profile_guids, profile_guid_count, &profile_guid_count) != NV_ENC_SUCCESS) {
+ fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_nvenc: nvEncGetEncodeProfileGUIDs failed, error: %s\n", function_list->nvEncGetLastErrorString(nvenc_encoder));
+ goto fail;
+ }
+
+ for(uint32_t i = 0; i < profile_guid_count; ++i) {
+ if(profile_is_h264(&profile_guids[i])) {
+ supported_video_codecs->h264 = (gsr_supported_video_codec){ true, false };
+ } else if(profile_is_hevc(&profile_guids[i])) {
+ supported_video_codecs->hevc = (gsr_supported_video_codec){ true, false };
+ } else if(profile_is_hevc_10bit(&profile_guids[i])) {
+ supported_video_codecs->hevc_hdr = (gsr_supported_video_codec){ true, false };
+ supported_video_codecs->hevc_10bit = (gsr_supported_video_codec){ true, false };
+ } else if(profile_is_av1(&profile_guids[i])) {
+ supported_video_codecs->av1 = (gsr_supported_video_codec){ true, false };
+ supported_video_codecs->av1_hdr = (gsr_supported_video_codec){ true, false };
+ supported_video_codecs->av1_10bit = (gsr_supported_video_codec){ true, false };
+ }
+ }
+
+ success = true;
+ fail:
+
+ if(profile_guids)
+ free(profile_guids);
+
+ return success;
+}
+
+static bool get_supported_video_codecs(const NV_ENCODE_API_FUNCTION_LIST *function_list, void *nvenc_encoder, gsr_supported_video_codecs *supported_video_codecs) {
+ bool success = false;
+ GUID *encoder_guids = NULL;
+ *supported_video_codecs = (gsr_supported_video_codecs){0};
+
+ uint32_t encode_guid_count = 0;
+ if(function_list->nvEncGetEncodeGUIDCount(nvenc_encoder, &encode_guid_count) != NV_ENC_SUCCESS) {
+ fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_nvenc: nvEncGetEncodeGUIDCount failed, error: %s\n", function_list->nvEncGetLastErrorString(nvenc_encoder));
+ goto fail;
+ }
+
+ if(encode_guid_count == 0)
+ goto fail;
+
+ encoder_guids = calloc(encode_guid_count, sizeof(GUID));
+ if(!encoder_guids) {
+ fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_nvenc: failed to allocate %d guids\n", (int)encode_guid_count);
+ goto fail;
+ }
+
+ if(function_list->nvEncGetEncodeGUIDs(nvenc_encoder, encoder_guids, encode_guid_count, &encode_guid_count) != NV_ENC_SUCCESS) {
+ fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_nvenc: nvEncGetEncodeGUIDs failed, error: %s\n", function_list->nvEncGetLastErrorString(nvenc_encoder));
+ goto fail;
+ }
+
+ for(uint32_t i = 0; i < encode_guid_count; ++i) {
+ encoder_get_supported_profiles(function_list, nvenc_encoder, &encoder_guids[i], supported_video_codecs);
+ }
+
+ success = true;
+ fail:
+
+ if(encoder_guids)
+ free(encoder_guids);
+
+ return success;
+}
+
+#define NVENCAPI_VERSION_470 (11 | (1 << 24))
+#define NVENCAPI_STRUCT_VERSION_470(ver) ((uint32_t)NVENCAPI_VERSION_470 | ((ver)<<16) | (0x7 << 28))
+
+bool gsr_get_supported_video_codecs_nvenc(gsr_supported_video_codecs *video_codecs, bool cleanup) {
+ memset(video_codecs, 0, sizeof(*video_codecs));
+
+ bool success = false;
+ void *nvenc_lib = NULL;
+ void *nvenc_encoder = NULL;
+ gsr_cuda cuda;
+ memset(&cuda, 0, sizeof(cuda));
+
+ if(!gsr_cuda_load(&cuda, NULL, false)) {
+ fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_nvenc: failed to load cuda\n");
+ goto done;
+ }
+
+ nvenc_lib = open_nvenc_library();
+ if(!nvenc_lib)
+ goto done;
+
+ typedef NVENCSTATUS NVENCAPI (*FUNC_NvEncodeAPICreateInstance)(NV_ENCODE_API_FUNCTION_LIST *functionList);
+ FUNC_NvEncodeAPICreateInstance nvEncodeAPICreateInstance = (FUNC_NvEncodeAPICreateInstance)dlsym(nvenc_lib, "NvEncodeAPICreateInstance");
+ if(!nvEncodeAPICreateInstance) {
+ fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_nvenc: failed to find NvEncodeAPICreateInstance in libnvidia-encode.so\n");
+ goto done;
+ }
+
+ NV_ENCODE_API_FUNCTION_LIST function_list;
+ memset(&function_list, 0, sizeof(function_list));
+ function_list.version = NVENCAPI_STRUCT_VERSION(2);
+ if(nvEncodeAPICreateInstance(&function_list) != NV_ENC_SUCCESS) {
+ fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_nvenc: nvEncodeAPICreateInstance failed\n");
+ goto done;
+ }
+
+ NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS params;
+ memset(&params, 0, sizeof(params));
+ params.version = NVENCAPI_STRUCT_VERSION(1);
+ params.deviceType = NV_ENC_DEVICE_TYPE_CUDA;
+ params.device = cuda.cu_ctx;
+ params.apiVersion = NVENCAPI_VERSION;
+ if(function_list.nvEncOpenEncodeSessionEx(&params, &nvenc_encoder) != NV_ENC_SUCCESS) {
+ // Old nvidia gpus dont support the new nvenc api (which is required for av1).
+ // In such cases fallback to old api version if possible and try again.
+ function_list.version = NVENCAPI_STRUCT_VERSION_470(2);
+ if(nvEncodeAPICreateInstance(&function_list) != NV_ENC_SUCCESS) {
+ fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_nvenc: nvEncodeAPICreateInstance (retry) failed\n");
+ goto done;
+ }
+
+ params.version = NVENCAPI_STRUCT_VERSION_470(1);
+ params.apiVersion = NVENCAPI_VERSION_470;
+ if(function_list.nvEncOpenEncodeSessionEx(&params, &nvenc_encoder) != NV_ENC_SUCCESS) {
+ fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_nvenc: nvEncOpenEncodeSessionEx (retry) failed\n");
+ goto done;
+ }
+ }
+
+ success = get_supported_video_codecs(&function_list, nvenc_encoder, video_codecs);
+
+ done:
+ if(cleanup) {
+ if(nvenc_encoder)
+ function_list.nvEncDestroyEncoder(nvenc_encoder);
+ if(nvenc_lib)
+ dlclose(nvenc_lib);
+ gsr_cuda_unload(&cuda);
+ }
+
+ return success;
+}
diff --git a/src/codec_query/vaapi.c b/src/codec_query/vaapi.c
new file mode 100644
index 0000000..8930a6c
--- /dev/null
+++ b/src/codec_query/vaapi.c
@@ -0,0 +1,203 @@
+#include "../../include/codec_query/vaapi.h"
+#include "../../include/utils.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include <va/va.h>
+#include <va/va_drm.h>
+
+static bool profile_is_h264(VAProfile profile) {
+ switch(profile) {
+ case 5: // VAProfileH264Baseline
+ case VAProfileH264Main:
+ case VAProfileH264High:
+ case VAProfileH264ConstrainedBaseline:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool profile_is_hevc_8bit(VAProfile profile) {
+ switch(profile) {
+ case VAProfileHEVCMain:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool profile_is_hevc_10bit(VAProfile profile) {
+ switch(profile) {
+ case VAProfileHEVCMain10:
+ //case VAProfileHEVCMain12:
+ //case VAProfileHEVCMain422_10:
+ //case VAProfileHEVCMain422_12:
+ //case VAProfileHEVCMain444:
+ //case VAProfileHEVCMain444_10:
+ //case VAProfileHEVCMain444_12:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool profile_is_av1(VAProfile profile) {
+ switch(profile) {
+ case VAProfileAV1Profile0:
+ case VAProfileAV1Profile1:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool profile_is_vp8(VAProfile profile) {
+ switch(profile) {
+ case VAProfileVP8Version0_3:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool profile_is_vp9(VAProfile profile) {
+ switch(profile) {
+ case VAProfileVP9Profile0:
+ case VAProfileVP9Profile1:
+ case VAProfileVP9Profile2:
+ case VAProfileVP9Profile3:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool profile_supports_video_encoding(VADisplay va_dpy, VAProfile profile, bool *low_power) {
+ *low_power = false;
+ int num_entrypoints = vaMaxNumEntrypoints(va_dpy);
+ if(num_entrypoints <= 0)
+ return false;
+
+ VAEntrypoint *entrypoint_list = calloc(num_entrypoints, sizeof(VAEntrypoint));
+ if(!entrypoint_list)
+ return false;
+
+ bool supports_encoding = false;
+ bool supports_low_power_encoding = false;
+ if(vaQueryConfigEntrypoints(va_dpy, profile, entrypoint_list, &num_entrypoints) == VA_STATUS_SUCCESS) {
+ for(int i = 0; i < num_entrypoints; ++i) {
+ if(entrypoint_list[i] == VAEntrypointEncSlice)
+ supports_encoding = true;
+ else if(entrypoint_list[i] == VAEntrypointEncSliceLP)
+ supports_low_power_encoding = true;
+ }
+ }
+
+ if(!supports_encoding && supports_low_power_encoding)
+ *low_power = true;
+
+ free(entrypoint_list);
+ return supports_encoding || supports_low_power_encoding;
+}
+
+static bool get_supported_video_codecs(VADisplay va_dpy, gsr_supported_video_codecs *video_codecs, bool cleanup) {
+ *video_codecs = (gsr_supported_video_codecs){0};
+ bool success = false;
+ VAProfile *profile_list = NULL;
+
+ vaSetInfoCallback(va_dpy, NULL, NULL);
+
+ int va_major = 0;
+ int va_minor = 0;
+ if(vaInitialize(va_dpy, &va_major, &va_minor) != VA_STATUS_SUCCESS) {
+ fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_vaapi: vaInitialize failed\n");
+ return false;
+ }
+
+ int num_profiles = vaMaxNumProfiles(va_dpy);
+ if(num_profiles <= 0)
+ goto fail;
+
+ profile_list = calloc(num_profiles, sizeof(VAProfile));
+ if(!profile_list || vaQueryConfigProfiles(va_dpy, profile_list, &num_profiles) != VA_STATUS_SUCCESS)
+ goto fail;
+
+ for(int i = 0; i < num_profiles; ++i) {
+ bool low_power = false;
+ if(profile_is_h264(profile_list[i])) {
+ if(profile_supports_video_encoding(va_dpy, profile_list[i], &low_power)) {
+ video_codecs->h264 = (gsr_supported_video_codec){ true, low_power };
+ }
+ } else if(profile_is_hevc_8bit(profile_list[i])) {
+ if(profile_supports_video_encoding(va_dpy, profile_list[i], &low_power))
+ video_codecs->hevc = (gsr_supported_video_codec){ true, low_power };
+ } else if(profile_is_hevc_10bit(profile_list[i])) {
+ if(profile_supports_video_encoding(va_dpy, profile_list[i], &low_power)) {
+ video_codecs->hevc_hdr = (gsr_supported_video_codec){ true, low_power };
+ video_codecs->hevc_10bit = (gsr_supported_video_codec){ true, low_power };
+ }
+ } else if(profile_is_av1(profile_list[i])) {
+ if(profile_supports_video_encoding(va_dpy, profile_list[i], &low_power)) {
+ video_codecs->av1 = (gsr_supported_video_codec){ true, low_power };
+ video_codecs->av1_hdr = (gsr_supported_video_codec){ true, low_power };
+ video_codecs->av1_10bit = (gsr_supported_video_codec){ true, low_power };
+ }
+ } else if(profile_is_vp8(profile_list[i])) {
+ if(profile_supports_video_encoding(va_dpy, profile_list[i], &low_power))
+ video_codecs->vp8 = (gsr_supported_video_codec){ true, low_power };
+ } else if(profile_is_vp9(profile_list[i])) {
+ if(profile_supports_video_encoding(va_dpy, profile_list[i], &low_power))
+ video_codecs->vp9 = (gsr_supported_video_codec){ true, low_power };
+ }
+ }
+
+ success = true;
+ fail:
+ if(profile_list)
+ free(profile_list);
+
+ if(cleanup)
+ vaTerminate(va_dpy);
+
+ return success;
+}
+
+bool gsr_get_supported_video_codecs_vaapi(gsr_supported_video_codecs *video_codecs, const char *card_path, bool cleanup) {
+ memset(video_codecs, 0, sizeof(*video_codecs));
+ bool success = false;
+ int drm_fd = -1;
+
+ char render_path[128];
+ if(!gsr_card_path_get_render_path(card_path, render_path)) {
+ fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_vaapi: failed to get /dev/dri/renderDXXX file from %s\n", card_path);
+ goto done;
+ }
+
+ drm_fd = open(render_path, O_RDWR);
+ if(drm_fd == -1) {
+ fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_vaapi: failed to open device %s\n", render_path);
+ goto done;
+ }
+
+ VADisplay va_dpy = vaGetDisplayDRM(drm_fd);
+ if(va_dpy) {
+ if(!get_supported_video_codecs(va_dpy, video_codecs, cleanup)) {
+ fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_vaapi: failed to query supported video codecs for device %s\n", render_path);
+ goto done;
+ }
+ success = true;
+ }
+
+ done:
+ if(cleanup) {
+ if(drm_fd > 0)
+ close(drm_fd);
+ }
+
+ return success;
+}
diff --git a/src/codec_query/vulkan.c b/src/codec_query/vulkan.c
new file mode 100644
index 0000000..15dd98b
--- /dev/null
+++ b/src/codec_query/vulkan.c
@@ -0,0 +1,156 @@
+#include "../../include/codec_query/vulkan.h"
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <xf86drm.h>
+#define VK_NO_PROTOTYPES
+//#include <vulkan/vulkan.h>
+
+#define MAX_PHYSICAL_DEVICES 32
+
+static const char *required_device_extensions[] = {
+ "VK_KHR_external_memory_fd",
+ "VK_KHR_external_semaphore_fd",
+ "VK_KHR_video_encode_queue",
+ "VK_KHR_video_queue",
+ "VK_KHR_video_maintenance1",
+ "VK_EXT_external_memory_dma_buf",
+ "VK_EXT_external_memory_host",
+ "VK_EXT_image_drm_format_modifier"
+};
+static int num_required_device_extensions = 8;
+
+bool gsr_get_supported_video_codecs_vulkan(gsr_supported_video_codecs *video_codecs, const char *card_path, bool cleanup) {
+ memset(video_codecs, 0, sizeof(*video_codecs));
+#if 0
+ bool success = false;
+ VkInstance instance = NULL;
+ VkPhysicalDevice physical_devices[MAX_PHYSICAL_DEVICES];
+ VkDevice device = NULL;
+ VkExtensionProperties *device_extensions = NULL;
+
+ const VkApplicationInfo app_info = {
+ .sType = VK_STRUCTURE_TYPE_APPLICATION_INFO,
+ .pApplicationName = "GPU Screen Recorder",
+ .applicationVersion = VK_MAKE_VERSION(1, 0, 0),
+ .pEngineName = "GPU Screen Recorder",
+ .engineVersion = VK_MAKE_VERSION(1, 0, 0),
+ .apiVersion = VK_API_VERSION_1_3,
+ };
+
+ const VkInstanceCreateInfo instance_create_info = {
+ .sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO,
+ .pApplicationInfo = &app_info
+ };
+
+ if(vkCreateInstance(&instance_create_info, NULL, &instance) != VK_SUCCESS) {
+ fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_vulkan: vkCreateInstance failed\n");
+ goto done;
+ }
+
+ uint32_t num_devices = 0;
+ if(vkEnumeratePhysicalDevices(instance, &num_devices, NULL) != VK_SUCCESS) {
+ fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_vulkan: vkEnumeratePhysicalDevices (query num devices) failed\n");
+ goto done;
+ }
+
+ if(num_devices == 0) {
+ fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_vulkan: no vulkan capable device found\n");
+ goto done;
+ }
+
+ if(num_devices > MAX_PHYSICAL_DEVICES)
+ num_devices = MAX_PHYSICAL_DEVICES;
+
+ if(vkEnumeratePhysicalDevices(instance, &num_devices, physical_devices) != VK_SUCCESS) {
+ fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_vulkan: vkEnumeratePhysicalDevices (get data) failed\n");
+ goto done;
+ }
+
+ VkPhysicalDevice physical_device = NULL;
+ char device_card_path[128];
+ for(uint32_t i = 0; i < num_devices; ++i) {
+ VkPhysicalDeviceDrmPropertiesEXT device_drm_properties = {
+ .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DRM_PROPERTIES_EXT
+ };
+
+ VkPhysicalDeviceProperties2 device_properties = {
+ .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2,
+ .pNext = &device_drm_properties
+ };
+ vkGetPhysicalDeviceProperties2(physical_devices[i], &device_properties);
+
+ if(!device_drm_properties.hasPrimary)
+ continue;
+
+ snprintf(device_card_path, sizeof(device_card_path), DRM_DEV_NAME, DRM_DIR_NAME, (int)device_drm_properties.primaryMinor);
+ if(strcmp(device_card_path, card_path) == 0) {
+ physical_device = physical_devices[i];
+ break;
+ }
+ }
+
+ if(!physical_device) {
+ fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_vulkan: failed to find a vulkan device that matches opengl device %s\n", card_path);
+ goto done;
+ }
+
+ const VkDeviceCreateInfo device_create_info = {
+ .sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO,
+ .enabledExtensionCount = num_required_device_extensions,
+ .ppEnabledExtensionNames = required_device_extensions
+ };
+
+ if(vkCreateDevice(physical_device, &device_create_info, NULL, &device) != VK_SUCCESS) {
+ //fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_vulkan: vkCreateDevice failed. Device %s likely doesn't support vulkan video encoding\n", card_path);
+ goto done;
+ }
+
+ uint32_t num_device_extensions = 0;
+ if(vkEnumerateDeviceExtensionProperties(physical_device, NULL, &num_device_extensions, NULL) != VK_SUCCESS) {
+ fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_vulkan: vkEnumerateDeviceExtensionProperties (query num device extensions) failed\n");
+ goto done;
+ }
+
+ device_extensions = calloc(num_device_extensions, sizeof(VkExtensionProperties));
+ if(!device_extensions) {
+ fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_vulkan: failed to allocate %d device extensions\n", num_device_extensions);
+ goto done;
+ }
+
+ if(vkEnumerateDeviceExtensionProperties(physical_device, NULL, &num_device_extensions, device_extensions) != VK_SUCCESS) {
+ fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_vulkan: vkEnumerateDeviceExtensionProperties (get data) failed\n");
+ goto done;
+ }
+
+ for(uint32_t i = 0; i < num_device_extensions; ++i) {
+ if(strcmp(device_extensions[i].extensionName, "VK_KHR_video_encode_h264") == 0) {
+ video_codecs->h264 = true;
+ } else if(strcmp(device_extensions[i].extensionName, "VK_KHR_video_encode_h265") == 0) {
+ // TODO: Verify if 10bit and hdr are actually supported
+ video_codecs->hevc = true;
+ video_codecs->hevc_10bit = true;
+ video_codecs->hevc_hdr = true;
+ }
+ }
+
+ success = true;
+
+ done:
+ if(cleanup) {
+ if(device)
+ vkDestroyDevice(device, NULL);
+ if(instance)
+ vkDestroyInstance(instance, NULL);
+ }
+ if(device_extensions)
+ free(device_extensions);
+ return success;
+#else
+ // TODO: Low power query
+ video_codecs->h264 = (gsr_supported_video_codec){ true, false };
+ video_codecs->hevc = (gsr_supported_video_codec){ true, false };
+ return true;
+#endif
+}