From b9fa7f2fa25ee37c87077bce468c95e48fce5c18 Mon Sep 17 00:00:00 2001 From: dec05eba Date: Fri, 5 Jul 2024 01:59:04 +0200 Subject: Separate video encoding method from capture method With this instead of kms_cuda/kms_vaapi/kms_software and xcomposite_cuda/xcomposite_vaapi/xcomposite_software there is now only kms and xcomposite. --- src/capture/kms_cuda.c | 183 ------------------------------------------------- 1 file changed, 183 deletions(-) delete mode 100644 src/capture/kms_cuda.c (limited to 'src/capture/kms_cuda.c') diff --git a/src/capture/kms_cuda.c b/src/capture/kms_cuda.c deleted file mode 100644 index a35e263..0000000 --- a/src/capture/kms_cuda.c +++ /dev/null @@ -1,183 +0,0 @@ -#include "../../include/capture/kms_cuda.h" -#include "../../include/capture/kms.h" -#include "../../include/cuda.h" -#include -#include -#include -#include -#include -#include -#include - -typedef struct { - gsr_capture_kms kms; - - gsr_capture_kms_cuda_params params; - - gsr_cuda cuda; - CUgraphicsResource cuda_graphics_resources[2]; - CUarray mapped_arrays[2]; - CUstream cuda_stream; -} gsr_capture_kms_cuda; - -static void gsr_capture_kms_cuda_stop(gsr_capture *cap, AVCodecContext *video_codec_context); - -static int gsr_capture_kms_cuda_start(gsr_capture *cap, AVCodecContext *video_codec_context, AVFrame *frame) { - gsr_capture_kms_cuda *cap_kms = cap->priv; - - const int res = gsr_capture_kms_start(&cap_kms->kms, cap_kms->params.display_to_capture, cap_kms->params.egl, video_codec_context, frame); - if(res != 0) { - gsr_capture_kms_cuda_stop(cap, video_codec_context); - return res; - } - - // TODO: overclocking is not supported on wayland... - if(!gsr_cuda_load(&cap_kms->cuda, NULL, false)) { - fprintf(stderr, "gsr error: gsr_capture_kms_cuda_start: failed to load cuda\n"); - gsr_capture_kms_cuda_stop(cap, video_codec_context); - return -1; - } - - if(!cuda_create_codec_context(cap_kms->cuda.cu_ctx, video_codec_context, video_codec_context->width, video_codec_context->height, cap_kms->params.hdr, &cap_kms->cuda_stream)) { - gsr_capture_kms_cuda_stop(cap, video_codec_context); - return -1; - } - - gsr_cuda_context cuda_context = { - .cuda = &cap_kms->cuda, - .cuda_graphics_resources = cap_kms->cuda_graphics_resources, - .mapped_arrays = cap_kms->mapped_arrays - }; - - if(!gsr_capture_base_setup_cuda_textures(&cap_kms->kms.base, frame, &cuda_context, cap_kms->params.color_range, GSR_SOURCE_COLOR_RGB, cap_kms->params.hdr)) { - gsr_capture_kms_cuda_stop(cap, video_codec_context); - return -1; - } - - return 0; -} - -static bool gsr_capture_kms_cuda_should_stop(gsr_capture *cap, bool *err) { - gsr_capture_kms_cuda *cap_kms = cap->priv; - if(cap_kms->kms.should_stop) { - if(err) - *err = cap_kms->kms.stop_is_error; - return true; - } - - if(err) - *err = false; - return false; -} - -static void gsr_capture_kms_unload_cuda_graphics(gsr_capture_kms_cuda *cap_kms) { - if(cap_kms->cuda.cu_ctx) { - for(int i = 0; i < 2; ++i) { - if(cap_kms->cuda_graphics_resources[i]) { - cap_kms->cuda.cuGraphicsUnmapResources(1, &cap_kms->cuda_graphics_resources[i], 0); - cap_kms->cuda.cuGraphicsUnregisterResource(cap_kms->cuda_graphics_resources[i]); - cap_kms->cuda_graphics_resources[i] = 0; - } - } - } -} - -static int gsr_capture_kms_cuda_capture(gsr_capture *cap, AVFrame *frame) { - gsr_capture_kms_cuda *cap_kms = cap->priv; - - cap_kms->kms.base.egl->glClear(0); - gsr_capture_kms_capture(&cap_kms->kms, frame, cap_kms->params.hdr, true, true, cap_kms->params.record_cursor); - cap_kms->kms.base.egl->eglSwapBuffers(cap_kms->kms.base.egl->egl_display, cap_kms->kms.base.egl->egl_surface); - - const int div[2] = {1, 2}; // divide UV texture size by 2 because chroma is half size - for(int i = 0; i < 2; ++i) { - CUDA_MEMCPY2D memcpy_struct; - memcpy_struct.srcXInBytes = 0; - memcpy_struct.srcY = 0; - memcpy_struct.srcMemoryType = CU_MEMORYTYPE_ARRAY; - - memcpy_struct.dstXInBytes = 0; - memcpy_struct.dstY = 0; - memcpy_struct.dstMemoryType = CU_MEMORYTYPE_DEVICE; - - memcpy_struct.srcArray = cap_kms->mapped_arrays[i]; - memcpy_struct.srcPitch = frame->width / div[i]; - memcpy_struct.dstDevice = (CUdeviceptr)frame->data[i]; - memcpy_struct.dstPitch = frame->linesize[i]; - memcpy_struct.WidthInBytes = frame->width * (cap_kms->params.hdr ? 2 : 1); - memcpy_struct.Height = frame->height / div[i]; - // TODO: Remove this copy if possible - cap_kms->cuda.cuMemcpy2DAsync_v2(&memcpy_struct, cap_kms->cuda_stream); - } - - // TODO: needed? - cap_kms->cuda.cuStreamSynchronize(cap_kms->cuda_stream); - - return 0; -} - -static void gsr_capture_kms_cuda_capture_end(gsr_capture *cap, AVFrame *frame) { - (void)frame; - gsr_capture_kms_cuda *cap_kms = cap->priv; - gsr_capture_kms_cleanup_kms_fds(&cap_kms->kms); -} - -static void gsr_capture_kms_cuda_stop(gsr_capture *cap, AVCodecContext *video_codec_context) { - (void)video_codec_context; - gsr_capture_kms_cuda *cap_kms = cap->priv; - gsr_capture_kms_unload_cuda_graphics(cap_kms); - gsr_cuda_unload(&cap_kms->cuda); - gsr_capture_kms_stop(&cap_kms->kms); -} - -static void gsr_capture_kms_cuda_destroy(gsr_capture *cap, AVCodecContext *video_codec_context) { - (void)video_codec_context; - gsr_capture_kms_cuda *cap_kms = cap->priv; - if(cap->priv) { - gsr_capture_kms_cuda_stop(cap, video_codec_context); - free((void*)cap_kms->params.display_to_capture); - cap_kms->params.display_to_capture = NULL; - free(cap->priv); - cap->priv = NULL; - } - free(cap); -} - -gsr_capture* gsr_capture_kms_cuda_create(const gsr_capture_kms_cuda_params *params) { - if(!params) { - fprintf(stderr, "gsr error: gsr_capture_kms_cuda_create params is NULL\n"); - return NULL; - } - - gsr_capture *cap = calloc(1, sizeof(gsr_capture)); - if(!cap) - return NULL; - - gsr_capture_kms_cuda *cap_kms = calloc(1, sizeof(gsr_capture_kms_cuda)); - if(!cap_kms) { - free(cap); - return NULL; - } - - const char *display_to_capture = strdup(params->display_to_capture); - if(!display_to_capture) { - free(cap); - free(cap_kms); - return NULL; - } - - cap_kms->params = *params; - cap_kms->params.display_to_capture = display_to_capture; - - *cap = (gsr_capture) { - .start = gsr_capture_kms_cuda_start, - .tick = NULL, - .should_stop = gsr_capture_kms_cuda_should_stop, - .capture = gsr_capture_kms_cuda_capture, - .capture_end = gsr_capture_kms_cuda_capture_end, - .destroy = gsr_capture_kms_cuda_destroy, - .priv = cap_kms - }; - - return cap; -} -- cgit v1.2.3