diff options
Diffstat (limited to 'src/capture/xcomposite_vaapi.c')
| -rw-r--r-- | src/capture/xcomposite_vaapi.c | 628 |
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, ¶ms, &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; +} |