1 files changed, 0 insertions, 512 deletions

diff --git a/src/capture/xcomposite_cuda.c b/src/capture/xcomposite_cuda.c
deleted file mode 100644
index 7e65efa..0000000
--- a/src/capture/xcomposite_cuda.c
+++ /dev/null
@@ -1,512 +0,0 @@
-#include "../../include/capture/xcomposite_cuda.h"
-#include "../../include/cuda.h"
-#include "../../include/window_texture.h"
-#include "../../include/utils.h"
-#include <libavutil/hwcontext.h>
-#include <libavutil/hwcontext_cuda.h>
-#include <libavutil/frame.h>
-#include <libavcodec/avcodec.h>
-
-typedef struct {
-    gsr_capture_xcomposite_cuda_params params;
-    XEvent xev;
-
-    bool should_stop;
-    bool stop_is_error;
-    bool window_resized;
-    bool created_hw_frame;
-    bool follow_focused_initialized;
-    double window_resize_timer;
-
-    vec2i window_size;
-
-    unsigned int target_texture_id;
-    vec2i texture_size;
-    Window window;
-    WindowTexture window_texture;
-    Atom net_active_window_atom;
-
-    CUgraphicsResource cuda_graphics_resource;
-    CUarray mapped_array;
-
-    gsr_cuda cuda;
-} gsr_capture_xcomposite_cuda;
-
-static int max_int(int a, int b) {
-    return a > b ? a : b;
-}
-
-static int min_int(int a, int b) {
-    return a < b ? a : b;
-}
-
-static Window get_focused_window(Display *display, Atom net_active_window_atom) {
-    Atom type;
-    int format = 0;
-    unsigned long num_items = 0;
-    unsigned long bytes_after = 0;
-    unsigned char *properties = NULL;
-    if(XGetWindowProperty(display, DefaultRootWindow(display), net_active_window_atom, 0, 1024, False, AnyPropertyType, &type, &format, &num_items, &bytes_after, &properties) == Success && properties) {
-        Window focused_window = *(unsigned long*)properties;
-        XFree(properties);
-        return focused_window;
-    }
-    return None;
-}
-
-static void gsr_capture_xcomposite_cuda_stop(gsr_capture *cap, AVCodecContext *video_codec_context);
-
-static bool cuda_register_opengl_texture(gsr_capture_xcomposite_cuda *cap_xcomp) {
-    CUresult res;
-    CUcontext old_ctx;
-    res = cap_xcomp->cuda.cuCtxPushCurrent_v2(cap_xcomp->cuda.cu_ctx);
-    // TODO: Use cuGraphicsEGLRegisterImage instead with the window egl image (dont use window_texture).
-    // That removes the need for an extra texture and texture copy
-    res = cap_xcomp->cuda.cuGraphicsGLRegisterImage(
-        &cap_xcomp->cuda_graphics_resource, cap_xcomp->target_texture_id, GL_TEXTURE_2D,
-        CU_GRAPHICS_REGISTER_FLAGS_READ_ONLY);
-    if (res != CUDA_SUCCESS) {
-        const char *err_str = "unknown";
-        cap_xcomp->cuda.cuGetErrorString(res, &err_str);
-        fprintf(stderr, "gsr error: cuda_register_opengl_texture: cuGraphicsGLRegisterImage failed, error: %s, texture " "id: %u\n", err_str, cap_xcomp->target_texture_id);
-        res = cap_xcomp->cuda.cuCtxPopCurrent_v2(&old_ctx);
-        return false;
-    }
-
-    res = cap_xcomp->cuda.cuGraphicsResourceSetMapFlags(cap_xcomp->cuda_graphics_resource, CU_GRAPHICS_MAP_RESOURCE_FLAGS_READ_ONLY);
-    res = cap_xcomp->cuda.cuGraphicsMapResources(1, &cap_xcomp->cuda_graphics_resource, 0);
-
-    res = cap_xcomp->cuda.cuGraphicsSubResourceGetMappedArray(&cap_xcomp->mapped_array, cap_xcomp->cuda_graphics_resource, 0, 0);
-    res = cap_xcomp->cuda.cuCtxPopCurrent_v2(&old_ctx);
-    return true;
-}
-
-static bool cuda_create_codec_context(gsr_capture_xcomposite_cuda *cap_xcomp, AVCodecContext *video_codec_context) {
-    CUcontext old_ctx;
-    cap_xcomp->cuda.cuCtxPushCurrent_v2(cap_xcomp->cuda.cu_ctx);
-
-    AVBufferRef *device_ctx = av_hwdevice_ctx_alloc(AV_HWDEVICE_TYPE_CUDA);
-    if(!device_ctx) {
-        fprintf(stderr, "Error: Failed to create hardware device context\n");
-        cap_xcomp->cuda.cuCtxPopCurrent_v2(&old_ctx);
-        return false;
-    }
-
-    AVHWDeviceContext *hw_device_context = (AVHWDeviceContext*)device_ctx->data;
-    AVCUDADeviceContext *cuda_device_context = (AVCUDADeviceContext*)hw_device_context->hwctx;
-    cuda_device_context->cuda_ctx = cap_xcomp->cuda.cu_ctx;
-    if(av_hwdevice_ctx_init(device_ctx) < 0) {
-        fprintf(stderr, "Error: Failed to create hardware device context\n");
-        av_buffer_unref(&device_ctx);
-        cap_xcomp->cuda.cuCtxPopCurrent_v2(&old_ctx);
-        return false;
-    }
-
-    AVBufferRef *frame_context = av_hwframe_ctx_alloc(device_ctx);
-    if(!frame_context) {
-        fprintf(stderr, "Error: Failed to create hwframe context\n");
-        av_buffer_unref(&device_ctx);
-        cap_xcomp->cuda.cuCtxPopCurrent_v2(&old_ctx);
-        return false;
-    }
-
-    AVHWFramesContext *hw_frame_context =
-        (AVHWFramesContext *)frame_context->data;
-    hw_frame_context->width = video_codec_context->width;
-    hw_frame_context->height = video_codec_context->height;
-    hw_frame_context->sw_format = AV_PIX_FMT_BGR0;
-    hw_frame_context->format = video_codec_context->pix_fmt;
-    hw_frame_context->device_ref = device_ctx;
-    hw_frame_context->device_ctx = (AVHWDeviceContext*)device_ctx->data;
-
-    hw_frame_context->initial_pool_size = 1;
-
-    if (av_hwframe_ctx_init(frame_context) < 0) {
-        fprintf(stderr, "Error: Failed to initialize hardware frame context "
-                        "(note: ffmpeg version needs to be > 4.0)\n");
-        av_buffer_unref(&device_ctx);
-        //av_buffer_unref(&frame_context);
-        cap_xcomp->cuda.cuCtxPopCurrent_v2(&old_ctx);
-        return false;
-    }
-
-    video_codec_context->hw_device_ctx = av_buffer_ref(device_ctx);
-    video_codec_context->hw_frames_ctx = av_buffer_ref(frame_context);
-    return true;
-}
-
-static unsigned int gl_create_texture(gsr_capture_xcomposite_cuda *cap_xcomp, int width, int height) {
-    unsigned int texture_id = 0;
-    cap_xcomp->params.egl->glGenTextures(1, &texture_id);
-    cap_xcomp->params.egl->glBindTexture(GL_TEXTURE_2D, texture_id);
-    cap_xcomp->params.egl->glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
-
-    cap_xcomp->params.egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-    cap_xcomp->params.egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-    cap_xcomp->params.egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-    cap_xcomp->params.egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-
-    cap_xcomp->params.egl->glBindTexture(GL_TEXTURE_2D, 0);
-    return texture_id;
-}
-
-static int gsr_capture_xcomposite_cuda_start(gsr_capture *cap, AVCodecContext *video_codec_context) {
-    gsr_capture_xcomposite_cuda *cap_xcomp = cap->priv;
-
-    if(cap_xcomp->params.follow_focused) {
-        cap_xcomp->net_active_window_atom = XInternAtom(cap_xcomp->params.dpy, "_NET_ACTIVE_WINDOW", False);
-        if(!cap_xcomp->net_active_window_atom) {
-            fprintf(stderr, "gsr error: gsr_capture_xcomposite_cuda_start failed: failed to get _NET_ACTIVE_WINDOW atom\n");
-            return -1;
-        }
-        cap_xcomp->window = get_focused_window(cap_xcomp->params.dpy, cap_xcomp->net_active_window_atom);
-    } else {
-        cap_xcomp->window = cap_xcomp->params.window;
-    }
-
-    /* TODO: Do these in tick, and allow error if follow_focused */
-
-    XWindowAttributes attr;
-    attr.width = 0;
-    attr.height = 0;
-    if(!XGetWindowAttributes(cap_xcomp->params.dpy, cap_xcomp->window, &attr) && !cap_xcomp->params.follow_focused) {
-        fprintf(stderr, "gsr error: gsr_capture_xcomposite_cuda_start failed: invalid window id: %lu\n", cap_xcomp->window);
-        return -1;
-    }
-
-    cap_xcomp->window_size.x = max_int(attr.width, 0);
-    cap_xcomp->window_size.y = max_int(attr.height, 0);
-
-    if(cap_xcomp->params.follow_focused)
-        XSelectInput(cap_xcomp->params.dpy, DefaultRootWindow(cap_xcomp->params.dpy), PropertyChangeMask);
-
-    XSelectInput(cap_xcomp->params.dpy, cap_xcomp->window, StructureNotifyMask | ExposureMask);
-
-    cap_xcomp->params.egl->eglSwapInterval(cap_xcomp->params.egl->egl_display, 0);
-    if(window_texture_init(&cap_xcomp->window_texture, cap_xcomp->params.dpy, cap_xcomp->window, cap_xcomp->params.egl) != 0 && !cap_xcomp->params.follow_focused) {
-        fprintf(stderr, "gsr error: gsr_capture_xcomposite_cuda_start: failed to get window texture for window %ld\n", cap_xcomp->window);
-        return -1;
-    }
-
-    cap_xcomp->texture_size.x = 0;
-    cap_xcomp->texture_size.y = 0;
-
-    cap_xcomp->params.egl->glBindTexture(GL_TEXTURE_2D, window_texture_get_opengl_texture_id(&cap_xcomp->window_texture));
-    cap_xcomp->params.egl->glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &cap_xcomp->texture_size.x);
-    cap_xcomp->params.egl->glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &cap_xcomp->texture_size.y);
-    cap_xcomp->params.egl->glBindTexture(GL_TEXTURE_2D, 0);
-
-    cap_xcomp->texture_size.x = max_int(2, cap_xcomp->texture_size.x & ~1);
-    cap_xcomp->texture_size.y = max_int(2, cap_xcomp->texture_size.y & ~1);
-
-    video_codec_context->width = cap_xcomp->texture_size.x;
-    video_codec_context->height = cap_xcomp->texture_size.y;
-
-    if(cap_xcomp->params.region_size.x > 0 && cap_xcomp->params.region_size.y > 0) {
-        video_codec_context->width = max_int(2, cap_xcomp->params.region_size.x & ~1);
-        video_codec_context->height = max_int(2, cap_xcomp->params.region_size.y & ~1);
-    }
-
-    cap_xcomp->target_texture_id = gl_create_texture(cap_xcomp, video_codec_context->width, video_codec_context->height);
-    if(cap_xcomp->target_texture_id == 0) {
-        fprintf(stderr, "gsr error: gsr_capture_xcomposite_cuda_start: failed to create opengl texture\n");
-        gsr_capture_xcomposite_cuda_stop(cap, video_codec_context);
-        return -1;
-    }
-
-    if(!gsr_cuda_load(&cap_xcomp->cuda, cap_xcomp->params.dpy, cap_xcomp->params.overclock)) {
-        gsr_capture_xcomposite_cuda_stop(cap, video_codec_context);
-        return -1;
-    }
-
-    if(!cuda_create_codec_context(cap_xcomp, video_codec_context)) {
-        gsr_capture_xcomposite_cuda_stop(cap, video_codec_context);
-        return -1;
-    }
-
-    if(!cuda_register_opengl_texture(cap_xcomp)) {
-        gsr_capture_xcomposite_cuda_stop(cap, video_codec_context);
-        return -1;
-    }
-
-    cap_xcomp->window_resize_timer = clock_get_monotonic_seconds();
-    return 0;
-}
-
-static void gsr_capture_xcomposite_cuda_stop(gsr_capture *cap, AVCodecContext *video_codec_context) {
-    gsr_capture_xcomposite_cuda *cap_xcomp = cap->priv;
-
-    if(cap_xcomp->cuda.cu_ctx) {
-        CUcontext old_ctx;
-        cap_xcomp->cuda.cuCtxPushCurrent_v2(cap_xcomp->cuda.cu_ctx);
-
-        if(cap_xcomp->cuda_graphics_resource) {
-            cap_xcomp->cuda.cuGraphicsUnmapResources(1, &cap_xcomp->cuda_graphics_resource, 0);
-            cap_xcomp->cuda.cuGraphicsUnregisterResource(cap_xcomp->cuda_graphics_resource);
-        }
-
-        cap_xcomp->cuda.cuCtxPopCurrent_v2(&old_ctx);
-    }
-
-    window_texture_deinit(&cap_xcomp->window_texture);
-
-    if(cap_xcomp->target_texture_id) {
-        cap_xcomp->params.egl->glDeleteTextures(1, &cap_xcomp->target_texture_id);
-        cap_xcomp->target_texture_id = 0;
-    }
-
-    if(video_codec_context->hw_device_ctx)
-        av_buffer_unref(&video_codec_context->hw_device_ctx);
-    if(video_codec_context->hw_frames_ctx)
-        av_buffer_unref(&video_codec_context->hw_frames_ctx);
-
-    gsr_cuda_unload(&cap_xcomp->cuda);
-
-    if(cap_xcomp->params.dpy) {
-        // TODO: This causes a crash, why? maybe some other library dlclose xlib and that also happened to unload this???
-        //XCloseDisplay(cap_xcomp->dpy);
-        cap_xcomp->params.dpy = NULL;
-    }
-}
-
-static void gsr_capture_xcomposite_cuda_tick(gsr_capture *cap, AVCodecContext *video_codec_context, AVFrame **frame) {
-    gsr_capture_xcomposite_cuda *cap_xcomp = cap->priv;
-
-    cap_xcomp->params.egl->glClear(GL_COLOR_BUFFER_BIT);
-
-    bool init_new_window = false;
-    while(XPending(cap_xcomp->params.dpy)) {
-        XNextEvent(cap_xcomp->params.dpy, &cap_xcomp->xev);
-
-        switch(cap_xcomp->xev.type) {
-            case DestroyNotify: {
-                /* Window died (when not following focused window), so we stop recording */
-                if(!cap_xcomp->params.follow_focused && cap_xcomp->xev.xdestroywindow.window == cap_xcomp->window) {
-                    cap_xcomp->should_stop = true;
-                    cap_xcomp->stop_is_error = false;
-                }
-                break;
-            }
-            case Expose: {
-                /* Requires window texture recreate */
-                if(cap_xcomp->xev.xexpose.count == 0 && cap_xcomp->xev.xexpose.window == cap_xcomp->window) {
-                    cap_xcomp->window_resize_timer = clock_get_monotonic_seconds();
-                    cap_xcomp->window_resized = true;
-                }
-                break;
-            }
-            case ConfigureNotify: {
-                /* Window resized */
-                if(cap_xcomp->xev.xconfigure.window == cap_xcomp->window && (cap_xcomp->xev.xconfigure.width != cap_xcomp->window_size.x || cap_xcomp->xev.xconfigure.height != cap_xcomp->window_size.y)) {
-                    cap_xcomp->window_size.x = max_int(cap_xcomp->xev.xconfigure.width, 0);
-                    cap_xcomp->window_size.y = max_int(cap_xcomp->xev.xconfigure.height, 0);
-                    cap_xcomp->window_resize_timer = clock_get_monotonic_seconds();
-                    cap_xcomp->window_resized = true;
-                }
-                break;
-            }
-            case PropertyNotify: {
-                /* Focused window changed */
-                if(cap_xcomp->params.follow_focused && cap_xcomp->xev.xproperty.atom == cap_xcomp->net_active_window_atom) {
-                    init_new_window = true;
-                }
-                break;
-            }
-        }
-    }
-
-    if(cap_xcomp->params.follow_focused && !cap_xcomp->follow_focused_initialized) {
-        init_new_window = true;
-    }
-
-    if(init_new_window) {
-        Window focused_window = get_focused_window(cap_xcomp->params.dpy, cap_xcomp->net_active_window_atom);
-        if(focused_window != cap_xcomp->window || !cap_xcomp->follow_focused_initialized) {
-            cap_xcomp->follow_focused_initialized = true;
-            XSelectInput(cap_xcomp->params.dpy, cap_xcomp->window, 0);
-            cap_xcomp->window = focused_window;
-            XSelectInput(cap_xcomp->params.dpy, cap_xcomp->window, StructureNotifyMask | ExposureMask);
-
-            XWindowAttributes attr;
-            attr.width = 0;
-            attr.height = 0;
-            if(!XGetWindowAttributes(cap_xcomp->params.dpy, cap_xcomp->window, &attr))
-                fprintf(stderr, "gsr error: gsr_capture_xcomposite_cuda_tick failed: invalid window id: %lu\n", cap_xcomp->window);
-
-            cap_xcomp->window_size.x = max_int(attr.width, 0);
-            cap_xcomp->window_size.y = max_int(attr.height, 0);
-            cap_xcomp->window_resized = true;
-
-            window_texture_deinit(&cap_xcomp->window_texture);
-            window_texture_init(&cap_xcomp->window_texture, cap_xcomp->params.dpy, cap_xcomp->window, cap_xcomp->params.egl); // TODO: Do not do the below window_texture_on_resize after this
-            
-            cap_xcomp->texture_size.x = 0;
-            cap_xcomp->texture_size.y = 0;
-
-            cap_xcomp->params.egl->glBindTexture(GL_TEXTURE_2D, window_texture_get_opengl_texture_id(&cap_xcomp->window_texture));
-            cap_xcomp->params.egl->glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &cap_xcomp->texture_size.x);
-            cap_xcomp->params.egl->glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &cap_xcomp->texture_size.y);
-            cap_xcomp->params.egl->glBindTexture(GL_TEXTURE_2D, 0);
-
-            cap_xcomp->texture_size.x = min_int(video_codec_context->width, max_int(2, cap_xcomp->texture_size.x & ~1));
-            cap_xcomp->texture_size.y = min_int(video_codec_context->height, max_int(2, cap_xcomp->texture_size.y & ~1));
-        }
-    }
-
-    const double window_resize_timeout = 1.0; // 1 second
-    if(!cap_xcomp->created_hw_frame || (cap_xcomp->window_resized && clock_get_monotonic_seconds() - cap_xcomp->window_resize_timer >= window_resize_timeout)) {
-        cap_xcomp->window_resized = false;
-        if(window_texture_on_resize(&cap_xcomp->window_texture) != 0) {
-            fprintf(stderr, "gsr error: gsr_capture_xcomposite_cuda_tick: window_texture_on_resize failed\n");
-            //cap_xcomp->should_stop = true;
-            //cap_xcomp->stop_is_error = true;
-            return;
-        }
-
-        cap_xcomp->texture_size.x = 0;
-        cap_xcomp->texture_size.y = 0;
-
-        cap_xcomp->params.egl->glBindTexture(GL_TEXTURE_2D, window_texture_get_opengl_texture_id(&cap_xcomp->window_texture));
-        cap_xcomp->params.egl->glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &cap_xcomp->texture_size.x);
-        cap_xcomp->params.egl->glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &cap_xcomp->texture_size.y);
-        cap_xcomp->params.egl->glBindTexture(GL_TEXTURE_2D, 0);
-
-        cap_xcomp->texture_size.x = min_int(video_codec_context->width, max_int(2, cap_xcomp->texture_size.x & ~1));
-        cap_xcomp->texture_size.y = min_int(video_codec_context->height, max_int(2, cap_xcomp->texture_size.y & ~1));
-
-        if(!cap_xcomp->created_hw_frame) {
-            cap_xcomp->created_hw_frame = true;
-            av_frame_free(frame);
-            *frame = av_frame_alloc();
-            if(!frame) {
-                fprintf(stderr, "gsr error: gsr_capture_xcomposite_cuda_tick: failed to allocate frame\n");
-                cap_xcomp->should_stop = true;
-                cap_xcomp->stop_is_error = true;
-                return;
-            }
-            (*frame)->format = video_codec_context->pix_fmt;
-            (*frame)->width = video_codec_context->width;
-            (*frame)->height = video_codec_context->height;
-            (*frame)->color_range = video_codec_context->color_range;
-            (*frame)->color_primaries = video_codec_context->color_primaries;
-            (*frame)->color_trc = video_codec_context->color_trc;
-            (*frame)->colorspace = video_codec_context->colorspace;
-            (*frame)->chroma_location = video_codec_context->chroma_sample_location;
-
-            if(av_hwframe_get_buffer(video_codec_context->hw_frames_ctx, *frame, 0) < 0) {
-                fprintf(stderr, "gsr error: gsr_capture_xcomposite_cuda_tick: av_hwframe_get_buffer failed\n");
-                cap_xcomp->should_stop = true;
-                cap_xcomp->stop_is_error = true;
-                return;
-            }
-        }
-
-        // Clear texture with black background because the source texture (window_texture_get_opengl_texture_id(&cap_xcomp->window_texture))
-        // might be smaller than cap_xcomp->target_texture_id
-        cap_xcomp->params.egl->glClearTexImage(cap_xcomp->target_texture_id, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
-    }
-}
-
-static bool gsr_capture_xcomposite_cuda_should_stop(gsr_capture *cap, bool *err) {
-    gsr_capture_xcomposite_cuda *cap_xcomp = cap->priv;
-    if(cap_xcomp->should_stop) {
-        if(err)
-            *err = cap_xcomp->stop_is_error;
-        return true;
-    }
-
-    if(err)
-        *err = false;
-    return false;
-}
-
-static int gsr_capture_xcomposite_cuda_capture(gsr_capture *cap, AVFrame *frame) {
-    gsr_capture_xcomposite_cuda *cap_xcomp = cap->priv;
-
-    vec2i source_pos = { 0, 0 };
-    vec2i source_size = cap_xcomp->texture_size;
-
-    if(cap_xcomp->window_texture.texture_id != 0) {
-        while(cap_xcomp->params.egl->glGetError()) {}
-        /* TODO: Remove this copy, which is only possible by using nvenc directly and encoding window_pixmap.target_texture_id */
-        cap_xcomp->params.egl->glCopyImageSubData(
-            window_texture_get_opengl_texture_id(&cap_xcomp->window_texture), GL_TEXTURE_2D, 0, source_pos.x, source_pos.y, 0,
-            cap_xcomp->target_texture_id, GL_TEXTURE_2D, 0, 0, 0, 0,
-            source_size.x, source_size.y, 1);
-        unsigned int err = cap_xcomp->params.egl->glGetError();
-        if(err != 0) {
-            static bool error_shown = false;
-            if(!error_shown) {
-                error_shown = true;
-                fprintf(stderr, "gsr error: gsr_capture_xcomposite_cuda_capture: glCopyImageSubData failed, gl error: %d\n", err);
-            }
-        }
-    }
-    cap_xcomp->params.egl->eglSwapBuffers(cap_xcomp->params.egl->egl_display, cap_xcomp->params.egl->egl_surface);
-
-    frame->linesize[0] = frame->width * 4;
-    //frame->linesize[0] = frame->width * 1;
-    //frame->linesize[1] = frame->width * 1;
-    //frame->linesize[2] = frame->width * 1;
-
-    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_xcomp->mapped_array;
-    memcpy_struct.dstDevice = (CUdeviceptr)frame->data[0];
-    memcpy_struct.dstPitch = frame->linesize[0];
-    memcpy_struct.WidthInBytes = frame->width * 4;//frame->width * 1;
-    memcpy_struct.Height = frame->height;
-    cap_xcomp->cuda.cuMemcpy2D_v2(&memcpy_struct);
-
-    //frame->data[1] = frame->data[0];
-    //frame->data[2] = frame->data[0];
-
-    return 0;
-}
-
-static void gsr_capture_xcomposite_cuda_destroy(gsr_capture *cap, AVCodecContext *video_codec_context) {
-    if(cap->priv) {
-        gsr_capture_xcomposite_cuda_stop(cap, video_codec_context);
-        free(cap->priv);
-        cap->priv = NULL;
-    }
-    free(cap);
-}
-
-gsr_capture* gsr_capture_xcomposite_cuda_create(const gsr_capture_xcomposite_cuda_params *params) {
-    if(!params) {
-        fprintf(stderr, "gsr error: gsr_capture_xcomposite_cuda_create params is NULL\n");
-        return NULL;
-    }
-
-    gsr_capture *cap = calloc(1, sizeof(gsr_capture));
-    if(!cap)
-        return NULL;
-
-    gsr_capture_xcomposite_cuda *cap_xcomp = calloc(1, sizeof(gsr_capture_xcomposite_cuda));
-    if(!cap_xcomp) {
-        free(cap);
-        return NULL;
-    }
-
-    cap_xcomp->params = *params;
-    
-    *cap = (gsr_capture) {
-        .start = gsr_capture_xcomposite_cuda_start,
-        .tick = gsr_capture_xcomposite_cuda_tick,
-        .should_stop = gsr_capture_xcomposite_cuda_should_stop,
-        .capture = gsr_capture_xcomposite_cuda_capture,
-        .capture_end = NULL,
-        .destroy = gsr_capture_xcomposite_cuda_destroy,
-        .priv = cap_xcomp
-    };
-
-    return cap;
-}