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Diffstat (limited to 'src/capture/xcomposite_vaapi.c')
-rw-r--r--src/capture/xcomposite_vaapi.c628
1 files changed, 628 insertions, 0 deletions
diff --git a/src/capture/xcomposite_vaapi.c b/src/capture/xcomposite_vaapi.c
new file mode 100644
index 0000000..cfe99dc
--- /dev/null
+++ b/src/capture/xcomposite_vaapi.c
@@ -0,0 +1,628 @@
+#include "../../include/capture/xcomposite_vaapi.h"
+#include "../../include/egl.h"
+#include "../../include/window_texture.h"
+#include "../../include/time.h"
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <assert.h>
+#include <X11/Xlib.h>
+#include <X11/extensions/Xcomposite.h>
+#include <libavutil/hwcontext.h>
+#include <libavutil/hwcontext_vaapi.h>
+#include <libavutil/frame.h>
+#include <libavcodec/avcodec.h>
+
+typedef struct {
+ gsr_capture_xcomposite_vaapi_params params;
+ Display *dpy;
+ XEvent xev;
+ bool should_stop;
+ bool stop_is_error;
+ bool window_resized;
+ bool created_hw_frame;
+ bool follow_focused_initialized;
+
+ Window window;
+ vec2i window_size;
+ vec2i texture_size;
+ double window_resize_timer;
+
+ WindowTexture window_texture;
+
+ gsr_egl egl;
+
+ int fourcc;
+ int num_planes;
+ uint64_t modifiers;
+ int dmabuf_fd;
+ int32_t pitch;
+ int32_t offset;
+
+ VADisplay va_dpy;
+ VAConfigID config_id;
+ VAContextID context_id;
+ VASurfaceID input_surface;
+ VABufferID buffer_id;
+ VARectangle output_region;
+
+ Atom net_active_window_atom;
+} gsr_capture_xcomposite_vaapi;
+
+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_vaapi_stop(gsr_capture *cap, AVCodecContext *video_codec_context);
+
+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 bool drm_create_codec_context(gsr_capture_xcomposite_vaapi *cap_xcomp, AVCodecContext *video_codec_context) {
+ AVBufferRef *device_ctx;
+ if(av_hwdevice_ctx_create(&device_ctx, AV_HWDEVICE_TYPE_VAAPI, "/dev/dri/renderD128", NULL, 0) < 0) {
+ fprintf(stderr, "Error: Failed to create hardware device context\n");
+ 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);
+ 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_NV12;//AV_PIX_FMT_0RGB32;//AV_PIX_FMT_YUV420P;//AV_PIX_FMT_0RGB32;//AV_PIX_FMT_NV12;
+ 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;
+
+ AVVAAPIDeviceContext *vactx =((AVHWDeviceContext*)device_ctx->data)->hwctx;
+ cap_xcomp->va_dpy = vactx->display;
+
+ 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);
+ 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;
+}
+
+#define DRM_FORMAT_MOD_INVALID 72057594037927935
+
+static int gsr_capture_xcomposite_vaapi_start(gsr_capture *cap, AVCodecContext *video_codec_context) {
+ gsr_capture_xcomposite_vaapi *cap_xcomp = cap->priv;
+
+ if(cap_xcomp->params.follow_focused) {
+ cap_xcomp->net_active_window_atom = XInternAtom(cap_xcomp->dpy, "_NET_ACTIVE_WINDOW", False);
+ if(!cap_xcomp->net_active_window_atom) {
+ fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_start failed: failed to get _NET_ACTIVE_WINDOW atom\n");
+ return -1;
+ }
+ cap_xcomp->window = get_focused_window(cap_xcomp->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;
+ if(!XGetWindowAttributes(cap_xcomp->dpy, cap_xcomp->params.window, &attr) && !cap_xcomp->params.follow_focused) {
+ fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_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);
+
+ if(cap_xcomp->params.follow_focused)
+ XSelectInput(cap_xcomp->dpy, DefaultRootWindow(cap_xcomp->dpy), PropertyChangeMask);
+
+ // TODO: Get select and add these on top of it and then restore at the end. Also do the same in other xcomposite
+ XSelectInput(cap_xcomp->dpy, cap_xcomp->params.window, StructureNotifyMask | ExposureMask);
+
+ if(!gsr_egl_load(&cap_xcomp->egl, cap_xcomp->dpy)) {
+ fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_start: failed to load opengl\n");
+ return -1;
+ }
+
+ if(!cap_xcomp->egl.eglExportDMABUFImageQueryMESA) {
+ fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_start: could not find eglExportDMABUFImageQueryMESA\n");
+ gsr_egl_unload(&cap_xcomp->egl);
+ return -1;
+ }
+
+ if(!cap_xcomp->egl.eglExportDMABUFImageMESA) {
+ fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_start: could not find eglExportDMABUFImageMESA\n");
+ gsr_egl_unload(&cap_xcomp->egl);
+ return -1;
+ }
+
+ /* Disable vsync */
+ cap_xcomp->egl.eglSwapInterval(cap_xcomp->egl.egl_display, 0);
+ if(window_texture_init(&cap_xcomp->window_texture, cap_xcomp->dpy, cap_xcomp->params.window, &cap_xcomp->egl) != 0 && !cap_xcomp->params.follow_focused) {
+ fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_start: failed get window texture for window %ld\n", cap_xcomp->params.window);
+ gsr_egl_unload(&cap_xcomp->egl);
+ return -1;
+ }
+
+ cap_xcomp->texture_size.x = 0;
+ cap_xcomp->texture_size.y = 0;
+
+ cap_xcomp->egl.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->egl.glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &cap_xcomp->texture_size.x);
+ cap_xcomp->egl.glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &cap_xcomp->texture_size.y);
+ cap_xcomp->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);
+ }
+
+ if(!drm_create_codec_context(cap_xcomp, video_codec_context)) {
+ gsr_capture_xcomposite_vaapi_stop(cap, video_codec_context);
+ return -1;
+ }
+
+ cap_xcomp->window_resize_timer = clock_get_monotonic_seconds();
+ return 0;
+}
+
+static void gsr_capture_xcomposite_vaapi_tick(gsr_capture *cap, AVCodecContext *video_codec_context, AVFrame **frame) {
+ gsr_capture_xcomposite_vaapi *cap_xcomp = cap->priv;
+
+ // TODO:
+ //cap_xcomp->egl.glClear(GL_COLOR_BUFFER_BIT);
+
+ if(!cap_xcomp->params.follow_focused && XCheckTypedWindowEvent(cap_xcomp->dpy, cap_xcomp->window, DestroyNotify, &cap_xcomp->xev)) {
+ cap_xcomp->should_stop = true;
+ cap_xcomp->stop_is_error = false;
+ }
+
+ if(XCheckTypedWindowEvent(cap_xcomp->dpy, cap_xcomp->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->window, ConfigureNotify, &cap_xcomp->xev) && cap_xcomp->xev.xconfigure.window == cap_xcomp->window) {
+ while(XCheckTypedWindowEvent(cap_xcomp->dpy, cap_xcomp->window, ConfigureNotify, &cap_xcomp->xev)) {}
+
+ /* 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;
+ }
+ }
+
+ if(cap_xcomp->params.follow_focused && (!cap_xcomp->follow_focused_initialized || (XCheckTypedWindowEvent(cap_xcomp->dpy, DefaultRootWindow(cap_xcomp->dpy), PropertyNotify, &cap_xcomp->xev) && cap_xcomp->xev.xproperty.atom == cap_xcomp->net_active_window_atom))) {
+ Window focused_window = get_focused_window(cap_xcomp->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->dpy, cap_xcomp->window, 0);
+ cap_xcomp->window = focused_window;
+ XSelectInput(cap_xcomp->dpy, cap_xcomp->window, StructureNotifyMask | ExposureMask);
+
+ XWindowAttributes attr;
+ attr.width = 0;
+ attr.height = 0;
+ if(!XGetWindowAttributes(cap_xcomp->dpy, cap_xcomp->window, &attr))
+ fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_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->dpy, cap_xcomp->window, &cap_xcomp->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->egl.glBindTexture(GL_TEXTURE_2D, window_texture_get_opengl_texture_id(&cap_xcomp->window_texture));
+ cap_xcomp->egl.glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &cap_xcomp->texture_size.x);
+ cap_xcomp->egl.glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &cap_xcomp->texture_size.y);
+ cap_xcomp->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_vaapi_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->egl.glBindTexture(GL_TEXTURE_2D, window_texture_get_opengl_texture_id(&cap_xcomp->window_texture));
+ cap_xcomp->egl.glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &cap_xcomp->texture_size.x);
+ cap_xcomp->egl.glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &cap_xcomp->texture_size.y);
+ cap_xcomp->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->buffer_id) {
+ vaDestroyBuffer(cap_xcomp->va_dpy, cap_xcomp->buffer_id);
+ cap_xcomp->buffer_id = 0;
+ }
+
+ if(cap_xcomp->context_id) {
+ vaDestroyContext(cap_xcomp->va_dpy, cap_xcomp->context_id);
+ cap_xcomp->context_id = 0;
+ }
+
+ if(cap_xcomp->config_id) {
+ vaDestroyConfig(cap_xcomp->va_dpy, cap_xcomp->config_id);
+ cap_xcomp->config_id = 0;
+ }
+
+ if(cap_xcomp->input_surface) {
+ vaDestroySurfaces(cap_xcomp->va_dpy, &cap_xcomp->input_surface, 1);
+ cap_xcomp->input_surface = 0;
+ }
+
+ if(cap_xcomp->dmabuf_fd) {
+ close(cap_xcomp->dmabuf_fd);
+ cap_xcomp->dmabuf_fd = 0;
+ }
+
+ 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_vaapi_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;
+
+ int res = av_hwframe_get_buffer(video_codec_context->hw_frames_ctx, *frame, 0);
+ if(res < 0) {
+ fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: av_hwframe_get_buffer failed: %d\n", res);
+ cap_xcomp->should_stop = true;
+ cap_xcomp->stop_is_error = true;
+ return;
+ }
+ }
+
+ int xx = 0, yy = 0;
+ cap_xcomp->egl.glBindTexture(GL_TEXTURE_2D, window_texture_get_opengl_texture_id(&cap_xcomp->window_texture));
+ cap_xcomp->egl.glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &xx);
+ cap_xcomp->egl.glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &yy);
+ cap_xcomp->egl.glBindTexture(GL_TEXTURE_2D, 0);
+
+ const intptr_t pixmap_attrs[] = {
+ EGL_IMAGE_PRESERVED_KHR, EGL_TRUE,
+ EGL_NONE,
+ };
+
+ EGLImage img = cap_xcomp->egl.eglCreateImage(cap_xcomp->egl.egl_display, cap_xcomp->egl.egl_context, EGL_GL_TEXTURE_2D, (EGLClientBuffer)(uint64_t)window_texture_get_opengl_texture_id(&cap_xcomp->window_texture), pixmap_attrs);
+ if(!img) {
+ fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: eglCreateImage failed\n");
+ cap_xcomp->should_stop = true;
+ cap_xcomp->stop_is_error = true;
+ return;
+ }
+
+ if(!cap_xcomp->egl.eglExportDMABUFImageQueryMESA(cap_xcomp->egl.egl_display, img, &cap_xcomp->fourcc, &cap_xcomp->num_planes, &cap_xcomp->modifiers)) {
+ fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: eglExportDMABUFImageQueryMESA failed\n");
+ cap_xcomp->should_stop = true;
+ cap_xcomp->stop_is_error = true;
+ cap_xcomp->egl.eglDestroyImage(cap_xcomp->egl.egl_display, img);
+ return;
+ }
+
+ if(cap_xcomp->num_planes != 1) {
+ fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: expected 1 plane for drm buf, got %d planes\n", cap_xcomp->num_planes);
+ cap_xcomp->should_stop = true;
+ cap_xcomp->stop_is_error = true;
+ cap_xcomp->egl.eglDestroyImage(cap_xcomp->egl.egl_display, img);
+ return;
+ }
+
+ if(!cap_xcomp->egl.eglExportDMABUFImageMESA(cap_xcomp->egl.egl_display, img, &cap_xcomp->dmabuf_fd, &cap_xcomp->pitch, &cap_xcomp->offset)) {
+ fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: eglExportDMABUFImageMESA failed\n");
+ cap_xcomp->should_stop = true;
+ cap_xcomp->stop_is_error = true;
+ cap_xcomp->egl.eglDestroyImage(cap_xcomp->egl.egl_display, img);
+ return;
+ }
+
+ cap_xcomp->egl.eglDestroyImage(cap_xcomp->egl.egl_display, img);
+
+ uintptr_t dmabuf = cap_xcomp->dmabuf_fd;
+
+ VASurfaceAttribExternalBuffers buf = {0};
+ buf.pixel_format = VA_FOURCC_BGRX;
+ buf.width = xx;
+ buf.height = yy;
+ buf.data_size = yy * cap_xcomp->pitch;
+ buf.num_planes = 1;
+ buf.pitches[0] = cap_xcomp->pitch;
+ buf.offsets[0] = cap_xcomp->offset;
+ buf.buffers = &dmabuf;
+ buf.num_buffers = 1;
+ buf.flags = 0;
+ buf.private_data = 0;
+
+ #define VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME 0x20000000
+
+ VASurfaceAttrib attribs[2] = {0};
+ attribs[0].type = VASurfaceAttribMemoryType;
+ attribs[0].flags = VA_SURFACE_ATTRIB_SETTABLE;
+ attribs[0].value.type = VAGenericValueTypeInteger;
+ attribs[0].value.value.i = VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME; // TODO: prime1 instead?
+ attribs[1].type = VASurfaceAttribExternalBufferDescriptor;
+ attribs[1].flags = VA_SURFACE_ATTRIB_SETTABLE;
+ attribs[1].value.type = VAGenericValueTypePointer;
+ attribs[1].value.value.p = &buf;
+
+ VAStatus va_status = vaCreateSurfaces(cap_xcomp->va_dpy, VA_RT_FORMAT_RGB32, xx, yy, &cap_xcomp->input_surface, 1, attribs, 2);
+ if(va_status != VA_STATUS_SUCCESS) {
+ fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: vaCreateSurfaces failed: %d\n", va_status);
+ cap_xcomp->should_stop = true;
+ cap_xcomp->stop_is_error = true;
+ return;
+ }
+
+ //vaBeginPicture(cap_xcomp->va_dpy, )
+
+ va_status = vaCreateConfig(cap_xcomp->va_dpy, VAProfileNone, VAEntrypointVideoProc, NULL, 0, &cap_xcomp->config_id);
+ if(va_status != VA_STATUS_SUCCESS) {
+ fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: vaCreateConfig failed: %d\n", va_status);
+ cap_xcomp->should_stop = true;
+ cap_xcomp->stop_is_error = true;
+ return;
+ }
+
+ VASurfaceID target_surface_id = (uintptr_t)(*frame)->data[3];
+ va_status = vaCreateContext(cap_xcomp->va_dpy, cap_xcomp->config_id, xx, yy, VA_PROGRESSIVE, &target_surface_id, 1, &cap_xcomp->context_id);
+ if(va_status != VA_STATUS_SUCCESS) {
+ fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: vaCreateContext failed: %d\n", va_status);
+ cap_xcomp->should_stop = true;
+ cap_xcomp->stop_is_error = true;
+ return;
+ }
+
+ cap_xcomp->output_region = (VARectangle){
+ .x = 0,
+ .y = 0,
+ .width = xx,
+ .height = yy
+ };
+
+ // Copying a surface to another surface will automatically perform the color conversion. Thanks vaapi!
+ VAProcPipelineParameterBuffer params = {0};
+ params.surface = cap_xcomp->input_surface;
+ params.surface_region = NULL; // TODO: Use when using kmsgrab to restrict region to captured monitor
+ params.output_region = &cap_xcomp->output_region;
+ params.output_background_color = 0;
+ //params.filter_flags = VA_FRAME_PICTURE;
+ // TODO: Colors
+ params.input_color_properties.color_range = (*frame)->color_range == AVCOL_RANGE_JPEG ? VA_SOURCE_RANGE_FULL : VA_SOURCE_RANGE_REDUCED;
+ params.output_color_properties.color_range = (*frame)->color_range == AVCOL_RANGE_JPEG ? VA_SOURCE_RANGE_FULL : VA_SOURCE_RANGE_REDUCED;
+
+ va_status = vaCreateBuffer(cap_xcomp->va_dpy, cap_xcomp->context_id, VAProcPipelineParameterBufferType, sizeof(params), 1, &params, &cap_xcomp->buffer_id);
+ if(va_status != VA_STATUS_SUCCESS) {
+ fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: vaCreateBuffer failed: %d\n", va_status);
+ 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
+ // TODO:
+ //cap_xcomp->egl.glClearTexImage(cap_xcomp->target_texture_id, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+ }
+}
+
+static bool gsr_capture_xcomposite_vaapi_should_stop(gsr_capture *cap, bool *err) {
+ gsr_capture_xcomposite_vaapi *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_vaapi_capture(gsr_capture *cap, AVFrame *frame) {
+ gsr_capture_xcomposite_vaapi *cap_xcomp = cap->priv;
+
+ VASurfaceID target_surface_id = (uintptr_t)frame->data[3];
+
+ VAStatus va_status = vaBeginPicture(cap_xcomp->va_dpy, cap_xcomp->context_id, target_surface_id);
+ if(va_status != VA_STATUS_SUCCESS) {
+ static bool error_printed = false;
+ if(!error_printed) {
+ error_printed = true;
+ fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: vaBeginPicture failed: %d\n", va_status);
+ }
+ return -1;
+ }
+
+ va_status = vaRenderPicture(cap_xcomp->va_dpy, cap_xcomp->context_id, &cap_xcomp->buffer_id, 1);
+ if(va_status != VA_STATUS_SUCCESS) {
+ vaEndPicture(cap_xcomp->va_dpy, cap_xcomp->context_id);
+ static bool error_printed = false;
+ if(!error_printed) {
+ error_printed = true;
+ fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: vaRenderPicture failed: %d\n", va_status);
+ }
+ return -1;
+ }
+
+ va_status = vaEndPicture(cap_xcomp->va_dpy, cap_xcomp->context_id);
+ if(va_status != VA_STATUS_SUCCESS) {
+ static bool error_printed = false;
+ if(!error_printed) {
+ error_printed = true;
+ fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_tick: vaEndPicture failed: %d\n", va_status);
+ }
+ return -1;
+ }
+
+ // TODO: Needed?
+ //vaSyncSurface(cap_xcomp->va_dpy, target_surface_id);
+
+ // TODO: Remove
+ //cap_xcomp->egl.eglSwapBuffers(cap_xcomp->egl.egl_display, cap_xcomp->egl.egl_surface);
+
+ return 0;
+}
+
+static void gsr_capture_xcomposite_vaapi_stop(gsr_capture *cap, AVCodecContext *video_codec_context) {
+ gsr_capture_xcomposite_vaapi *cap_xcomp = cap->priv;
+
+ if(cap_xcomp->buffer_id) {
+ vaDestroyBuffer(cap_xcomp->va_dpy, cap_xcomp->buffer_id);
+ cap_xcomp->buffer_id = 0;
+ }
+
+ if(cap_xcomp->context_id) {
+ vaDestroyContext(cap_xcomp->va_dpy, cap_xcomp->context_id);
+ cap_xcomp->context_id = 0;
+ }
+
+ if(cap_xcomp->config_id) {
+ vaDestroyConfig(cap_xcomp->va_dpy, cap_xcomp->config_id);
+ cap_xcomp->config_id = 0;
+ }
+
+ if(cap_xcomp->input_surface) {
+ vaDestroySurfaces(cap_xcomp->va_dpy, &cap_xcomp->input_surface, 1);
+ cap_xcomp->input_surface = 0;
+ }
+
+ if(cap_xcomp->dmabuf_fd) {
+ close(cap_xcomp->dmabuf_fd);
+ cap_xcomp->dmabuf_fd = 0;
+ }
+
+ window_texture_deinit(&cap_xcomp->window_texture);
+
+ 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_egl_unload(&cap_xcomp->egl);
+ if(cap_xcomp->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->dpy = NULL;
+ }
+}
+
+static void gsr_capture_xcomposite_vaapi_destroy(gsr_capture *cap, AVCodecContext *video_codec_context) {
+ (void)video_codec_context;
+ gsr_capture_xcomposite_vaapi *cap_xcomp = cap->priv;
+ if(cap->priv) {
+ gsr_capture_xcomposite_vaapi_stop(cap, video_codec_context);
+ free(cap->priv);
+ cap->priv = NULL;
+ }
+ if(cap_xcomp->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->dpy = NULL;
+ }
+ free(cap);
+}
+
+gsr_capture* gsr_capture_xcomposite_vaapi_create(const gsr_capture_xcomposite_vaapi_params *params) {
+ if(!params) {
+ fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_create params is NULL\n");
+ return NULL;
+ }
+
+ gsr_capture *cap = calloc(1, sizeof(gsr_capture));
+ if(!cap)
+ return NULL;
+
+ gsr_capture_xcomposite_vaapi *cap_xcomp = calloc(1, sizeof(gsr_capture_xcomposite_vaapi));
+ if(!cap_xcomp) {
+ free(cap);
+ return NULL;
+ }
+
+ Display *display = XOpenDisplay(NULL);
+ if(!display) {
+ fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_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_vaapi_start,
+ .tick = gsr_capture_xcomposite_vaapi_tick,
+ .should_stop = gsr_capture_xcomposite_vaapi_should_stop,
+ .capture = gsr_capture_xcomposite_vaapi_capture,
+ .destroy = gsr_capture_xcomposite_vaapi_destroy,
+ .priv = cap_xcomp
+ };
+
+ return cap;
+}