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-rw-r--r--src/capture/xcomposite.c517
1 files changed, 0 insertions, 517 deletions
diff --git a/src/capture/xcomposite.c b/src/capture/xcomposite.c
deleted file mode 100644
index 755ac92..0000000
--- a/src/capture/xcomposite.c
+++ /dev/null
@@ -1,517 +0,0 @@
-#include "../../include/capture/xcomposite.h"
-#include "../../include/gl.h"
-#include "../../include/cuda.h"
-#include "../../include/window_texture.h"
-#include "../../include/time.h"
-#include <X11/extensions/Xcomposite.h>
-#include <libavutil/hwcontext.h>
-#include <libavutil/hwcontext_cuda.h>
-#include <libavutil/frame.h>
-#include <libavcodec/avcodec.h>
-
-/* TODO: Proper error checks and cleanups */
-
-typedef struct {
- gsr_capture_xcomposite_params params;
- Display *dpy;
- XEvent xev;
- bool should_stop;
- bool stop_is_error;
- bool window_resized;
- bool created_hw_frame;
- double window_resize_timer;
-
- vec2i window_size;
- vec2i window_pos;
-
- unsigned int target_texture_id;
- vec2i texture_size;
- Window composite_window;
- WindowTexture window_texture;
-
- CUgraphicsResource cuda_graphics_resource;
- CUarray mapped_array;
-
- gsr_gl gl;
- gsr_cuda cuda;
-} gsr_capture_xcomposite;
-
-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 void gsr_capture_xcomposite_stop(gsr_capture *cap, AVCodecContext *video_codec_context);
-
-static Window get_compositor_window(Display *display) {
- Window overlay_window = XCompositeGetOverlayWindow(display, DefaultRootWindow(display));
- XCompositeReleaseOverlayWindow(display, DefaultRootWindow(display));
-
- Window root_window, parent_window;
- Window *children = NULL;
- unsigned int num_children = 0;
- if(XQueryTree(display, overlay_window, &root_window, &parent_window, &children, &num_children) == 0)
- return None;
-
- Window compositor_window = None;
- if(num_children == 1) {
- compositor_window = children[0];
- const int screen_width = XWidthOfScreen(DefaultScreenOfDisplay(display));
- const int screen_height = XHeightOfScreen(DefaultScreenOfDisplay(display));
-
- XWindowAttributes attr;
- if(!XGetWindowAttributes(display, compositor_window, &attr) || attr.width != screen_width || attr.height != screen_height)
- compositor_window = None;
- }
-
- if(children)
- XFree(children);
-
- return compositor_window;
-}
-
-/* TODO: check for glx swap control extension string (GLX_EXT_swap_control, etc) */
-static void set_vertical_sync_enabled(Display *display, Window window, gsr_gl *gl, bool enabled) {
- int result = 0;
-
- if(gl->glXSwapIntervalEXT) {
- gl->glXSwapIntervalEXT(display, window, enabled ? 1 : 0);
- } else if(gl->glXSwapIntervalMESA) {
- result = gl->glXSwapIntervalMESA(enabled ? 1 : 0);
- } else if(gl->glXSwapIntervalSGI) {
- result = gl->glXSwapIntervalSGI(enabled ? 1 : 0);
- } else {
- static int warned = 0;
- if (!warned) {
- warned = 1;
- fprintf(stderr, "Warning: setting vertical sync not supported\n");
- }
- }
-
- if(result != 0)
- fprintf(stderr, "Warning: setting vertical sync failed\n");
-}
-
-static bool cuda_register_opengl_texture(gsr_capture_xcomposite *cap_xcomp) {
- CUresult res;
- CUcontext old_ctx;
- res = cap_xcomp->cuda.cuCtxPushCurrent_v2(cap_xcomp->cuda.cu_ctx);
- 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,
- "Error: cuGraphicsGLRegisterImage failed, error %s, texture "
- "id: %u\n",
- err_str, cap_xcomp->target_texture_id);
- return false;
- }
-
- /* Get texture */
- 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);
-
- /* Map texture to cuda array */
- 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 *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");
- 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_0RGB32;
- 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;
-
- 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 = device_ctx;
- video_codec_context->hw_frames_ctx = frame_context;
- return true;
-}
-
-static unsigned int gl_create_texture(gsr_capture_xcomposite *cap_xcomp, int width, int height) {
- // Generating this second texture is needed because
- // cuGraphicsGLRegisterImage cant be used with the texture that is mapped
- // directly to the pixmap.
- // TODO: Investigate if it's somehow possible to use the pixmap texture
- // directly, this should improve performance since only less image copy is
- // then needed every frame.
- // Ignoring failure for now.. TODO: Show proper error
- unsigned int texture_id = 0;
- cap_xcomp->gl.glGenTextures(1, &texture_id);
- cap_xcomp->gl.glBindTexture(GL_TEXTURE_2D, texture_id);
- cap_xcomp->gl.glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
-
- cap_xcomp->gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
- cap_xcomp->gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
- cap_xcomp->gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- cap_xcomp->gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-
- cap_xcomp->gl.glBindTexture(GL_TEXTURE_2D, 0);
- return texture_id;
-}
-
-static int gsr_capture_xcomposite_start(gsr_capture *cap, AVCodecContext *video_codec_context) {
- gsr_capture_xcomposite *cap_xcomp = cap->priv;
-
- XWindowAttributes attr;
- if(!XGetWindowAttributes(cap_xcomp->dpy, cap_xcomp->params.window, &attr)) {
- fprintf(stderr, "gsr error: gsr_capture_xcomposite_start failed: invalid window id: %lu\n", cap_xcomp->params.window);
- return -1;
- }
-
- cap_xcomp->window_size.x = max_int(attr.width, 0);
- cap_xcomp->window_size.y = max_int(attr.height, 0);
- Window c;
- XTranslateCoordinates(cap_xcomp->dpy, cap_xcomp->params.window, DefaultRootWindow(cap_xcomp->dpy), 0, 0, &cap_xcomp->window_pos.x, &cap_xcomp->window_pos.y, &c);
-
- XSelectInput(cap_xcomp->dpy, cap_xcomp->params.window, StructureNotifyMask | ExposureMask);
-
- if(!gsr_gl_load(&cap_xcomp->gl, cap_xcomp->dpy)) {
- fprintf(stderr, "gsr error: gsr_capture_xcomposite_start: failed to load opengl\n");
- return -1;
- }
-
- set_vertical_sync_enabled(cap_xcomp->dpy, cap_xcomp->gl.window, &cap_xcomp->gl, false);
- if(window_texture_init(&cap_xcomp->window_texture, cap_xcomp->dpy, cap_xcomp->params.window, &cap_xcomp->gl) != 0) {
- fprintf(stderr, "gsr error: gsr_capture_xcomposite_start: failed get window texture for window %ld\n", cap_xcomp->params.window);
- gsr_gl_unload(&cap_xcomp->gl);
- return -1;
- }
-
- cap_xcomp->gl.glBindTexture(GL_TEXTURE_2D, window_texture_get_opengl_texture_id(&cap_xcomp->window_texture));
- cap_xcomp->texture_size.x = 0;
- cap_xcomp->texture_size.y = 0;
- cap_xcomp->gl.glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &cap_xcomp->texture_size.x);
- cap_xcomp->gl.glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &cap_xcomp->texture_size.y);
- cap_xcomp->gl.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);
-
- cap_xcomp->target_texture_id = gl_create_texture(cap_xcomp, cap_xcomp->texture_size.x, cap_xcomp->texture_size.y);
- if(cap_xcomp->target_texture_id == 0) {
- fprintf(stderr, "gsr error: gsr_capture_xcomposite_start: failed to create opengl texture\n");
- gsr_capture_xcomposite_stop(cap, video_codec_context);
- return -1;
- }
-
- video_codec_context->width = cap_xcomp->texture_size.x;
- video_codec_context->height = cap_xcomp->texture_size.y;
-
- if(!gsr_cuda_load(&cap_xcomp->cuda)) {
- gsr_capture_xcomposite_stop(cap, video_codec_context);
- return -1;
- }
-
- if(!cuda_create_codec_context(cap_xcomp, video_codec_context)) {
- gsr_capture_xcomposite_stop(cap, video_codec_context);
- return -1;
- }
-
- if(!cuda_register_opengl_texture(cap_xcomp)) {
- gsr_capture_xcomposite_stop(cap, video_codec_context);
- return -1;
- }
-
- cap_xcomp->window_resize_timer = clock_get_monotonic_seconds();
- return 0;
-}
-
-static void gsr_capture_xcomposite_stop(gsr_capture *cap, AVCodecContext *video_codec_context) {
- gsr_capture_xcomposite *cap_xcomp = cap->priv;
-
- window_texture_deinit(&cap_xcomp->window_texture);
-
- if(cap_xcomp->target_texture_id) {
- cap_xcomp->gl.glDeleteTextures(1, &cap_xcomp->target_texture_id);
- cap_xcomp->target_texture_id = 0;
- }
-
- if(cap_xcomp->composite_window) {
- XCompositeUnredirectWindow(cap_xcomp->dpy, cap_xcomp->composite_window, CompositeRedirectAutomatic);
- cap_xcomp->composite_window = None;
- }
-
- av_buffer_unref(&video_codec_context->hw_device_ctx);
- av_buffer_unref(&video_codec_context->hw_frames_ctx);
-
- cap_xcomp->cuda.cuGraphicsUnmapResources(1, &cap_xcomp->cuda_graphics_resource, 0);
- cap_xcomp->cuda.cuGraphicsUnregisterResource(cap_xcomp->cuda_graphics_resource);
- gsr_cuda_unload(&cap_xcomp->cuda);
-
- gsr_gl_unload(&cap_xcomp->gl);
- if(cap_xcomp->dpy) {
- XCloseDisplay(cap_xcomp->dpy);
- cap_xcomp->dpy = NULL;
- }
-}
-
-static void gsr_capture_xcomposite_tick(gsr_capture *cap, AVCodecContext *video_codec_context, AVFrame **frame) {
- gsr_capture_xcomposite *cap_xcomp = cap->priv;
-
- cap_xcomp->gl.glClear(GL_COLOR_BUFFER_BIT);
-
- if(!cap_xcomp->created_hw_frame) {
- CUcontext old_ctx;
- cap_xcomp->cuda.cuCtxPushCurrent_v2(cap_xcomp->cuda.cu_ctx);
-
- if(av_hwframe_get_buffer(video_codec_context->hw_frames_ctx, *frame, 0) < 0) {
- fprintf(stderr, "gsr error: gsr_capture_xcomposite_tick: av_hwframe_get_buffer failed\n");
- cap_xcomp->should_stop = true;
- cap_xcomp->stop_is_error = true;
- cap_xcomp->cuda.cuCtxPopCurrent_v2(&old_ctx);
- return;
- }
-
- cap_xcomp->created_hw_frame = true;
- cap_xcomp->cuda.cuCtxPopCurrent_v2(&old_ctx);
- }
-
- if(XCheckTypedWindowEvent(cap_xcomp->dpy, cap_xcomp->params.window, DestroyNotify, &cap_xcomp->xev)) {
- cap_xcomp->should_stop = true;
- cap_xcomp->stop_is_error = false;
- }
-
- if(XCheckTypedWindowEvent(cap_xcomp->dpy, cap_xcomp->params.window, Expose, &cap_xcomp->xev) && cap_xcomp->xev.xexpose.count == 0) {
- cap_xcomp->window_resize_timer = clock_get_monotonic_seconds();
- cap_xcomp->window_resized = true;
- }
-
- if(XCheckTypedWindowEvent(cap_xcomp->dpy, cap_xcomp->params.window, ConfigureNotify, &cap_xcomp->xev) && cap_xcomp->xev.xconfigure.window == cap_xcomp->params.window) {
- while(XCheckTypedWindowEvent(cap_xcomp->dpy, cap_xcomp->params.window, ConfigureNotify, &cap_xcomp->xev)) {}
- Window c;
- XTranslateCoordinates(cap_xcomp->dpy, cap_xcomp->params.window, DefaultRootWindow(cap_xcomp->dpy), 0, 0, &cap_xcomp->xev.xconfigure.x, &cap_xcomp->xev.xconfigure.y, &c);
- cap_xcomp->window_pos.x = cap_xcomp->xev.xconfigure.x;
- cap_xcomp->window_pos.y = cap_xcomp->xev.xconfigure.y;
-
- /* Window resize */
- if(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;
- }
- }
-
- const double window_resize_timeout = 1.0; // 1 second
- if(cap_xcomp->window_resized && clock_get_monotonic_seconds() - cap_xcomp->window_resize_timer >= window_resize_timeout) {
- cap_xcomp->window_resized = false;
- fprintf(stderr, "Resize window!\n");
- if(window_texture_on_resize(&cap_xcomp->window_texture) != 0) {
- fprintf(stderr, "gsr error: gsr_capture_xcomposite_tick: window_texture_on_resize failed\n");
- cap_xcomp->should_stop = true;
- cap_xcomp->stop_is_error = true;
- return;
- }
-
- cap_xcomp->gl.glBindTexture(GL_TEXTURE_2D, window_texture_get_opengl_texture_id(&cap_xcomp->window_texture));
- cap_xcomp->texture_size.x = 0;
- cap_xcomp->texture_size.y = 0;
- cap_xcomp->gl.glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &cap_xcomp->texture_size.x);
- cap_xcomp->gl.glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &cap_xcomp->texture_size.y);
- cap_xcomp->gl.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));
-
- cap_xcomp->gl.glBindTexture(GL_TEXTURE_2D, cap_xcomp->target_texture_id);
- cap_xcomp->gl.glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, cap_xcomp->texture_size.x, cap_xcomp->texture_size.y, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
- cap_xcomp->gl.glBindTexture(GL_TEXTURE_2D, 0);
-
- CUcontext old_ctx;
- CUresult res = cap_xcomp->cuda.cuCtxPushCurrent_v2(cap_xcomp->cuda.cu_ctx);
-
- cap_xcomp->cuda.cuGraphicsUnmapResources(1, &cap_xcomp->cuda_graphics_resource, 0);
- cap_xcomp->cuda.cuGraphicsUnregisterResource(cap_xcomp->cuda_graphics_resource);
- 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: gsr_capture_xcomposite_tick: cuGraphicsGLRegisterImage failed, error %s, texture id: %u\n", err_str, cap_xcomp->target_texture_id);
- cap_xcomp->should_stop = true;
- cap_xcomp->stop_is_error = true;
- res = cap_xcomp->cuda.cuCtxPopCurrent_v2(&old_ctx);
- return;
- }
-
- 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);
-
- av_frame_free(frame);
- *frame = av_frame_alloc();
- if(!frame) {
- fprintf(stderr, "gsr error: gsr_capture_xcomposite_tick: failed to allocate frame\n");
- cap_xcomp->should_stop = true;
- cap_xcomp->stop_is_error = true;
- res = cap_xcomp->cuda.cuCtxPopCurrent_v2(&old_ctx);
- return;
- }
- (*frame)->format = video_codec_context->pix_fmt;
- (*frame)->width = video_codec_context->width;
- (*frame)->height = video_codec_context->height;
-
- if(av_hwframe_get_buffer(video_codec_context->hw_frames_ctx, *frame, 0) < 0) {
- fprintf(stderr, "gsr error: gsr_capture_xcomposite_tick: av_hwframe_get_buffer failed\n");
- cap_xcomp->should_stop = true;
- cap_xcomp->stop_is_error = true;
- res = cap_xcomp->cuda.cuCtxPopCurrent_v2(&old_ctx);
- return;
- }
-
- // Make it completely black to clear unused parts
- // TODO: cuMemsetD32?
- res = cap_xcomp->cuda.cuMemsetD8_v2((CUdeviceptr)(*frame)->data[0], 0, (*frame)->width * (*frame)->height * 4);
- res = cap_xcomp->cuda.cuCtxPopCurrent_v2(&old_ctx);
- }
-}
-
-static bool gsr_capture_xcomposite_should_stop(gsr_capture *cap, bool *err) {
- gsr_capture_xcomposite *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_capture(gsr_capture *cap, AVFrame *frame) {
- gsr_capture_xcomposite *cap_xcomp = cap->priv;
-
- // TODO: Use a framebuffer instead. glCopyImageSubData requires opengl 4.2
- vec2i source_pos = { 0, 0 };
- vec2i source_size = cap_xcomp->texture_size;
-
- // Requires opengl 4.2... TODO: Replace with earlier opengl if opengl < 4.2.
- cap_xcomp->gl.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->gl.glGetError();
- if(err != 0) {
- static bool error_shown = false;
- if(!error_shown) {
- error_shown = true;
- fprintf(stderr, "Error: glCopyImageSubData failed, gl error: %d\n", err);
- }
- }
- cap_xcomp->gl.glXSwapBuffers(cap_xcomp->dpy, cap_xcomp->gl.window);
- // TODO: Remove this copy, which is only possible by using nvenc directly and encoding window_pixmap.target_texture_id
-
- frame->linesize[0] = frame->width * 4;
-
- 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;
- memcpy_struct.Height = frame->height;
- cap_xcomp->cuda.cuMemcpy2D_v2(&memcpy_struct);
-
- return 0;
-}
-
-static void gsr_capture_xcomposite_destroy(gsr_capture *cap, AVCodecContext *video_codec_context) {
- gsr_capture_xcomposite_stop(cap, video_codec_context);
- if(cap->priv) {
- free(cap->priv);
- cap->priv = NULL;
- }
- free(cap);
-}
-
-gsr_capture* gsr_capture_xcomposite_create(const gsr_capture_xcomposite_params *params) {
- if(!params) {
- fprintf(stderr, "gsr error: gsr_capture_xcomposite_create params is NULL\n");
- return NULL;
- }
-
- gsr_capture *cap = calloc(1, sizeof(gsr_capture));
- if(!cap)
- return NULL;
-
- gsr_capture_xcomposite *cap_xcomp = calloc(1, sizeof(gsr_capture_xcomposite));
- if(!cap_xcomp) {
- free(cap);
- return NULL;
- }
-
- Display *display = XOpenDisplay(NULL);
- if(!display) {
- fprintf(stderr, "gsr error: gsr_capture_xcomposite_create failed: XOpenDisplay failed\n");
- free(cap);
- free(cap_xcomp);
- return NULL;
- }
-
- cap_xcomp->dpy = display;
- cap_xcomp->params = *params;
-
- *cap = (gsr_capture) {
- .start = gsr_capture_xcomposite_start,
- .tick = gsr_capture_xcomposite_tick,
- .should_stop = gsr_capture_xcomposite_should_stop,
- .capture = gsr_capture_xcomposite_capture,
- .destroy = gsr_capture_xcomposite_destroy,
- .priv = cap_xcomp
- };
-
- return cap;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 03:13:45 +0000