+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
+#include <chrono>
+#include <memory>
+#include <string>
+
+#include "cef_capture.h"
+#include "nageru_cef_app.h"
+
+#undef CHECK
+#include <cef_app.h>
+#include <cef_browser.h>
+#include <cef_client.h>
+
+#include "bmusb/bmusb.h"
+
+using namespace std;
+using namespace std::chrono;
+using namespace bmusb;
+
+extern CefRefPtr<NageruCefApp> cef_app;
+
+CEFCapture::CEFCapture(const string &url, unsigned width, unsigned height)
+ : cef_client(new NageruCEFClient(width, height, this)),
+ width(width),
+ height(height),
+ start_url(url)
+{
+ char buf[256];
+ snprintf(buf, sizeof(buf), "CEF card %d", card_index + 1);
+ description = buf;
+}
+
+CEFCapture::~CEFCapture()
+{
+ if (has_dequeue_callbacks) {
+ dequeue_cleanup_callback();
+ }
+}
+
+void CEFCapture::OnPaint(const void *buffer, int width, int height)
+{
+ steady_clock::time_point timestamp = steady_clock::now();
+
+ VideoFormat video_format;
+ video_format.width = width;
+ video_format.height = height;
+ video_format.stride = width * 4;
+ video_format.frame_rate_nom = 60; // FIXME
+ video_format.frame_rate_den = 1;
+ video_format.has_signal = true;
+ video_format.is_connected = true;
+
+ FrameAllocator::Frame video_frame = video_frame_allocator->alloc_frame();
+ if (video_frame.data != nullptr) {
+ assert(video_frame.size >= unsigned(width * height * 4));
+ assert(!video_frame.interleaved);
+ memcpy(video_frame.data, buffer, width * height * 4);
+ video_frame.len = video_format.stride * height;
+ video_frame.received_timestamp = timestamp;
+ }
+ frame_callback(timecode++,
+ video_frame, 0, video_format,
+ FrameAllocator::Frame(), 0, AudioFormat());
+}
+
+#define FRAME_SIZE (8 << 20) // 8 MB.
+
+void CEFCapture::configure_card()
+{
+ if (video_frame_allocator == nullptr) {
+ owned_video_frame_allocator.reset(new MallocFrameAllocator(FRAME_SIZE, NUM_QUEUED_VIDEO_FRAMES));
+ set_video_frame_allocator(owned_video_frame_allocator.get());
+ }
+}
+
+void CEFCapture::start_bm_capture()
+{
+ cef_app->initialize_cef();
+
+ CefBrowserSettings browser_settings;
+ browser_settings.web_security = cef_state_t::STATE_DISABLED;
+ browser_settings.webgl = cef_state_t::STATE_ENABLED;
+ browser_settings.windowless_frame_rate = 60;
+
+ CefWindowInfo window_info;
+ window_info.SetAsWindowless(0);
+ CefBrowserHost::CreateBrowser(window_info, cef_client, start_url, browser_settings, nullptr);
+}
+
+void CEFCapture::stop_dequeue_thread()
+{
+ lock_guard<mutex> lock(browser_mutex);
+ cef_app->close_browser(browser);
+ browser = nullptr; // Or unref_cef() will be sad.
+ cef_app->unref_cef();
+}
+
+std::map<uint32_t, VideoMode> CEFCapture::get_available_video_modes() const
+{
+ VideoMode mode;
+
+ char buf[256];
+ snprintf(buf, sizeof(buf), "%ux%u", width, height);
+ mode.name = buf;
+
+ mode.autodetect = false;
+ mode.width = width;
+ mode.height = height;
+ mode.frame_rate_num = 60; // FIXME
+ mode.frame_rate_den = 1;
+ mode.interlaced = false;
+
+ return {{ 0, mode }};
+}
+
+std::map<uint32_t, std::string> CEFCapture::get_available_video_inputs() const
+{
+ return {{ 0, "HTML video input" }};
+}
+
+std::map<uint32_t, std::string> CEFCapture::get_available_audio_inputs() const
+{
+ return {{ 0, "Fake HTML audio input (silence)" }};
+}
+
+void CEFCapture::set_video_mode(uint32_t video_mode_id)
+{
+ assert(video_mode_id == 0);
+}
+
+void CEFCapture::set_video_input(uint32_t video_input_id)
+{
+ assert(video_input_id == 0);
+}
+
+void CEFCapture::set_audio_input(uint32_t audio_input_id)
+{
+ assert(audio_input_id == 0);
+}
+
+void NageruCEFClient::OnPaint(CefRefPtr<CefBrowser> browser, PaintElementType type, const RectList &dirtyRects, const void *buffer, int width, int height)
+{
+ parent->OnPaint(buffer, width, height);
+}
+
+bool NageruCEFClient::GetViewRect(CefRefPtr<CefBrowser> browser, CefRect &rect)
+{
+ rect = CefRect(0, 0, width, height);
+ return true;
+}