mirror of
https://repo.dec05eba.com/gpu-screen-recorder
synced 2026-04-19 16:35:47 +09:00
Faster startup (faster video codec query), fix some video codec callback logic
This commit is contained in:
dec05eba
@@ -1,11 +1,13 @@
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#include "../../../include/encoder/video/cuda.h"
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#include "../../../include/egl.h"
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#include "../../../include/cuda.h"
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#include "../../../external/nvEncodeAPI.h"
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#include <libavcodec/avcodec.h>
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#include <libavutil/hwcontext_cuda.h>
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#include <stdlib.h>
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#include <dlfcn.h>
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typedef struct {
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gsr_video_encoder_cuda_params params;
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@@ -122,22 +124,224 @@ static bool gsr_video_encoder_cuda_setup_textures(gsr_video_encoder_cuda *self,
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return true;
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}
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static void* open_nvenc_library(void) {
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dlerror(); /* clear */
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void *lib = dlopen("libnvidia-encode.so.1", RTLD_LAZY);
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if(!lib) {
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lib = dlopen("libnvidia-encode.so", RTLD_LAZY);
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if(!lib) {
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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());
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return NULL;
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}
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}
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return lib;
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}
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static bool profile_is_h264(const GUID *profile_guid) {
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const GUID *h264_guids[] = {
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&NV_ENC_H264_PROFILE_BASELINE_GUID,
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&NV_ENC_H264_PROFILE_MAIN_GUID,
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&NV_ENC_H264_PROFILE_HIGH_GUID,
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&NV_ENC_H264_PROFILE_PROGRESSIVE_HIGH_GUID,
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&NV_ENC_H264_PROFILE_CONSTRAINED_HIGH_GUID
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};
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for(int i = 0; i < 5; ++i) {
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if(memcmp(profile_guid, h264_guids[i], sizeof(GUID)) == 0)
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return true;
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}
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return false;
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}
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static bool profile_is_hevc(const GUID *profile_guid) {
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const GUID *h264_guids[] = {
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&NV_ENC_HEVC_PROFILE_MAIN_GUID,
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};
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for(int i = 0; i < 1; ++i) {
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if(memcmp(profile_guid, h264_guids[i], sizeof(GUID)) == 0)
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return true;
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}
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return false;
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}
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static bool profile_is_hevc_10bit(const GUID *profile_guid) {
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const GUID *h264_guids[] = {
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&NV_ENC_HEVC_PROFILE_MAIN10_GUID,
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};
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for(int i = 0; i < 1; ++i) {
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if(memcmp(profile_guid, h264_guids[i], sizeof(GUID)) == 0)
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return true;
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}
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return false;
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}
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static bool profile_is_av1(const GUID *profile_guid) {
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const GUID *h264_guids[] = {
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&NV_ENC_AV1_PROFILE_MAIN_GUID,
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};
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for(int i = 0; i < 1; ++i) {
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if(memcmp(profile_guid, h264_guids[i], sizeof(GUID)) == 0)
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return true;
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}
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return false;
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}
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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) {
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bool success = false;
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GUID *profile_guids = NULL;
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uint32_t profile_guid_count = 0;
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if(function_list->nvEncGetEncodeProfileGUIDCount(nvenc_encoder, *encoder_guid, &profile_guid_count) != NV_ENC_SUCCESS) {
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fprintf(stderr, "gsr error: gsr_video_encoder_cuda_get_supported_codecs: nvEncGetEncodeProfileGUIDCount failed, error: %s\n", function_list->nvEncGetLastErrorString(nvenc_encoder));
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goto fail;
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}
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if(profile_guid_count == 0)
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goto fail;
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profile_guids = calloc(profile_guid_count, sizeof(GUID));
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if(!profile_guids) {
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fprintf(stderr, "gsr error: gsr_video_encoder_cuda_get_supported_codecs: failed to allocate %d guids\n", (int)profile_guid_count);
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goto fail;
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}
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if(function_list->nvEncGetEncodeProfileGUIDs(nvenc_encoder, *encoder_guid, profile_guids, profile_guid_count, &profile_guid_count) != NV_ENC_SUCCESS) {
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fprintf(stderr, "gsr error: gsr_video_encoder_cuda_get_supported_codecs: nvEncGetEncodeProfileGUIDs failed, error: %s\n", function_list->nvEncGetLastErrorString(nvenc_encoder));
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goto fail;
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}
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for(uint32_t i = 0; i < profile_guid_count; ++i) {
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if(profile_is_h264(&profile_guids[i])) {
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supported_video_codecs->h264 = true;
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} else if(profile_is_hevc(&profile_guids[i])) {
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supported_video_codecs->hevc = true;
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} else if(profile_is_hevc_10bit(&profile_guids[i])) {
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supported_video_codecs->hevc_hdr = true;
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supported_video_codecs->hevc_10bit = true;
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} else if(profile_is_av1(&profile_guids[i])) {
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supported_video_codecs->av1 = true;
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supported_video_codecs->av1_hdr = true;
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supported_video_codecs->av1_10bit = true;
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}
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}
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success = true;
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fail:
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if(profile_guids)
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free(profile_guids);
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return success;
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}
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static bool get_supported_video_codecs(const NV_ENCODE_API_FUNCTION_LIST *function_list, void *nvenc_encoder, gsr_supported_video_codecs *supported_video_codecs) {
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bool success = false;
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GUID *encoder_guids = NULL;
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*supported_video_codecs = (gsr_supported_video_codecs){0};
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uint32_t encode_guid_count = 0;
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if(function_list->nvEncGetEncodeGUIDCount(nvenc_encoder, &encode_guid_count) != NV_ENC_SUCCESS) {
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fprintf(stderr, "gsr error: gsr_video_encoder_cuda_get_supported_codecs: nvEncGetEncodeGUIDCount failed, error: %s\n", function_list->nvEncGetLastErrorString(nvenc_encoder));
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goto fail;
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}
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if(encode_guid_count == 0)
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goto fail;
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encoder_guids = calloc(encode_guid_count, sizeof(GUID));
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if(!encoder_guids) {
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fprintf(stderr, "gsr error: gsr_video_encoder_cuda_get_supported_codecs: failed to allocate %d guids\n", (int)encode_guid_count);
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goto fail;
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}
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if(function_list->nvEncGetEncodeGUIDs(nvenc_encoder, encoder_guids, encode_guid_count, &encode_guid_count) != NV_ENC_SUCCESS) {
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fprintf(stderr, "gsr error: gsr_video_encoder_cuda_get_supported_codecs: nvEncGetEncodeGUIDs failed, error: %s\n", function_list->nvEncGetLastErrorString(nvenc_encoder));
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goto fail;
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}
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for(uint32_t i = 0; i < encode_guid_count; ++i) {
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encoder_get_supported_profiles(function_list, nvenc_encoder, &encoder_guids[i], supported_video_codecs);
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}
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success = true;
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fail:
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if(encoder_guids)
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free(encoder_guids);
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return success;
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}
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#define NVENCAPI_VERSION_470 (11 | (1 << 24))
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static gsr_supported_video_codecs gsr_video_encoder_cuda_get_supported_codecs(gsr_video_encoder *encoder, bool cleanup) {
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(void)encoder;
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(void)cleanup;
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//gsr_video_encoder_cuda *encoder_cuda = encoder->priv;
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// TODO: Query support
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return (gsr_supported_video_codecs) {
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.h264 = true,
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.hevc = true,
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.hevc_hdr = true,
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.hevc_10bit = true,
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.av1 = true,
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.av1_hdr = true,
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.av1_10bit = true,
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.vp8 = false,
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.vp9 = false
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};
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void *nvenc_lib = NULL;
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gsr_cuda cuda;
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memset(&cuda, 0, sizeof(cuda));
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gsr_supported_video_codecs supported_video_codecs = {0};
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if(!gsr_cuda_load(&cuda, NULL, false)) {
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fprintf(stderr, "gsr error: gsr_video_encoder_cuda_get_supported_codecs: failed to load cuda\n");
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goto done;
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}
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nvenc_lib = open_nvenc_library();
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if(!nvenc_lib)
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goto done;
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typedef NVENCSTATUS NVENCAPI (*FUNC_NvEncodeAPICreateInstance)(NV_ENCODE_API_FUNCTION_LIST *functionList);
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FUNC_NvEncodeAPICreateInstance NvEncodeAPICreateInstance = (FUNC_NvEncodeAPICreateInstance)dlsym(nvenc_lib, "NvEncodeAPICreateInstance");
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if(!NvEncodeAPICreateInstance) {
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fprintf(stderr, "gsr error: gsr_video_encoder_cuda_get_supported_codecs: failed to find NvEncodeAPICreateInstance in libnvidia-encode.so\n");
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goto done;
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}
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NV_ENCODE_API_FUNCTION_LIST function_list;
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memset(&function_list, 0, sizeof(function_list));
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function_list.version = NV_ENCODE_API_FUNCTION_LIST_VER;
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if(NvEncodeAPICreateInstance(&function_list) != NV_ENC_SUCCESS) {
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fprintf(stderr, "gsr error: gsr_video_encoder_cuda_get_supported_codecs: NvEncodeAPICreateInstance failed\n");
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goto done;
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}
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NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS params;
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memset(¶ms, 0, sizeof(params));
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params.version = NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS_VER;
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params.deviceType = NV_ENC_DEVICE_TYPE_CUDA;
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params.device = cuda.cu_ctx;
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params.apiVersion = NVENCAPI_VERSION;
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void *nvenc_encoder = NULL;
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if(function_list.nvEncOpenEncodeSessionEx(¶ms, &nvenc_encoder) != NV_ENC_SUCCESS) {
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// Old nvidia gpus dont support the new nvenc api (which is required for av1).
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// In such cases fallback to old api version if possible and try again.
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params.apiVersion = NVENCAPI_VERSION_470;
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if(function_list.nvEncOpenEncodeSessionEx(¶ms, &nvenc_encoder) != NV_ENC_SUCCESS) {
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fprintf(stderr, "gsr error: gsr_video_encoder_cuda_get_supported_codecs: NvEncOpenEncodeSessionEx failed\n");
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goto done;
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}
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}
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get_supported_video_codecs(&function_list, nvenc_encoder, &supported_video_codecs);
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done:
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if(cleanup) {
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function_list.nvEncDestroyEncoder(nvenc_encoder);
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if(nvenc_lib)
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dlclose(nvenc_lib);
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gsr_cuda_unload(&cuda);
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}
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return supported_video_codecs;
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}
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static void gsr_video_encoder_cuda_stop(gsr_video_encoder_cuda *self, AVCodecContext *video_codec_context);
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@@ -145,8 +349,8 @@ static void gsr_video_encoder_cuda_stop(gsr_video_encoder_cuda *self, AVCodecCon
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static bool gsr_video_encoder_cuda_start(gsr_video_encoder *encoder, AVCodecContext *video_codec_context, AVFrame *frame) {
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gsr_video_encoder_cuda *encoder_cuda = encoder->priv;
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// TODO: Force set overclock to false if wayland
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if(!gsr_cuda_load(&encoder_cuda->cuda, encoder_cuda->params.egl->x11.dpy, encoder_cuda->params.overclock)) {
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const bool overclock = gsr_egl_get_display_server(encoder_cuda->params.egl) == GSR_DISPLAY_SERVER_X11 ? encoder_cuda->params.overclock : false;
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if(!gsr_cuda_load(&encoder_cuda->cuda, encoder_cuda->params.egl->x11.dpy, overclock)) {
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fprintf(stderr, "gsr error: gsr_video_encoder_cuda_start: failed to load cuda\n");
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gsr_video_encoder_cuda_stop(encoder_cuda, video_codec_context);
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return false;
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