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-rw-r--r--src/codec_query/cuda.c235
1 files changed, 0 insertions, 235 deletions
diff --git a/src/codec_query/cuda.c b/src/codec_query/cuda.c
deleted file mode 100644
index 4692b1d..0000000
--- a/src/codec_query/cuda.c
+++ /dev/null
@@ -1,235 +0,0 @@
-#include "../../include/codec_query/cuda.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;
-}
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