diff options
Diffstat (limited to 'src/encoder/video/cuda.c')
| -rw-r--r-- | src/encoder/video/cuda.c | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/src/encoder/video/cuda.c b/src/encoder/video/cuda.c index c878dc8..f3cc9a4 100644 --- a/src/encoder/video/cuda.c +++ b/src/encoder/video/cuda.c @@ -1,13 +1,11 @@ #include "../../../include/encoder/video/cuda.h" #include "../../../include/egl.h" #include "../../../include/cuda.h" -#include "../../../external/nvEncodeAPI.h" #include <libavcodec/avcodec.h> #include <libavutil/hwcontext_cuda.h> #include <stdlib.h> -#include <dlfcn.h> typedef struct { gsr_video_encoder_cuda_params params; @@ -125,234 +123,6 @@ static bool gsr_video_encoder_cuda_setup_textures(gsr_video_encoder_cuda *self, return true; } -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_video_encoder_cuda_get_supported_codecs 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_video_encoder_cuda_get_supported_codecs: 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_video_encoder_cuda_get_supported_codecs: 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_video_encoder_cuda_get_supported_codecs: 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 = true; - } else if(profile_is_hevc(&profile_guids[i])) { - supported_video_codecs->hevc = true; - } else if(profile_is_hevc_10bit(&profile_guids[i])) { - supported_video_codecs->hevc_hdr = true; - supported_video_codecs->hevc_10bit = true; - } else if(profile_is_av1(&profile_guids[i])) { - supported_video_codecs->av1 = true; - supported_video_codecs->av1_hdr = true; - supported_video_codecs->av1_10bit = true; - } - } - - 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_video_encoder_cuda_get_supported_codecs: 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_video_encoder_cuda_get_supported_codecs: 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_video_encoder_cuda_get_supported_codecs: 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)) - -static gsr_supported_video_codecs gsr_video_encoder_cuda_get_supported_codecs(gsr_video_encoder *encoder, bool cleanup) { - (void)encoder; - - void *nvenc_lib = NULL; - void *nvenc_encoder = NULL; - gsr_cuda cuda; - memset(&cuda, 0, sizeof(cuda)); - gsr_supported_video_codecs supported_video_codecs = {0}; - - if(!gsr_cuda_load(&cuda, NULL, false)) { - fprintf(stderr, "gsr error: gsr_video_encoder_cuda_get_supported_codecs: 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_video_encoder_cuda_get_supported_codecs: 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_video_encoder_cuda_get_supported_codecs: nvEncodeAPICreateInstance failed\n"); - goto done; - } - - NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS params; - memset(¶ms, 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(¶ms, &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_video_encoder_cuda_get_supported_codecs: nvEncodeAPICreateInstance (retry) failed\n"); - goto done; - } - - params.version = NVENCAPI_STRUCT_VERSION_470(1); - params.apiVersion = NVENCAPI_VERSION_470; - if(function_list.nvEncOpenEncodeSessionEx(¶ms, &nvenc_encoder) != NV_ENC_SUCCESS) { - fprintf(stderr, "gsr error: gsr_video_encoder_cuda_get_supported_codecs: nvEncOpenEncodeSessionEx (retry) failed\n"); - goto done; - } - } - - get_supported_video_codecs(&function_list, nvenc_encoder, &supported_video_codecs); - - done: - if(cleanup) { - if(nvenc_encoder) - function_list.nvEncDestroyEncoder(nvenc_encoder); - if(nvenc_lib) - dlclose(nvenc_lib); - gsr_cuda_unload(&cuda); - } - - return supported_video_codecs; -} - static void gsr_video_encoder_cuda_stop(gsr_video_encoder_cuda *self, AVCodecContext *video_codec_context); static bool gsr_video_encoder_cuda_start(gsr_video_encoder *encoder, AVCodecContext *video_codec_context, AVFrame *frame) { @@ -456,7 +226,6 @@ gsr_video_encoder* gsr_video_encoder_cuda_create(const gsr_video_encoder_cuda_pa encoder_cuda->params = *params; *encoder = (gsr_video_encoder) { - .get_supported_codecs = gsr_video_encoder_cuda_get_supported_codecs, .start = gsr_video_encoder_cuda_start, .copy_textures_to_frame = gsr_video_encoder_cuda_copy_textures_to_frame, .get_textures = gsr_video_encoder_cuda_get_textures, |