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Diffstat (limited to 'src/capture/kms_cuda.c')
-rw-r--r--src/capture/kms_cuda.c183
1 files changed, 0 insertions, 183 deletions
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 <stdlib.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <assert.h>
-#include <libavutil/hwcontext.h>
-#include <libavutil/hwcontext_cuda.h>
-#include <libavcodec/avcodec.h>
-
-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;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 19:36:38 +0000