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authordec05eba <dec05eba@protonmail.com>2020-08-31 04:19:11 +0200
committerdec05eba <dec05eba@protonmail.com>2020-08-31 04:19:11 +0200
commitc622d2d799820b90dc624c5f869b79607c62f1ae (patch)
treed8ae2ccb5d3a03b0e46287e4e35abe5baf2666d6 /src
parent5f84ad1c767ed4e8fd67a27514fe38cdee9b3edf (diff)
Revert select code. Causes laggy video for some reason
Diffstat (limited to 'src')
-rw-r--r--src/main.cpp62
1 files changed, 19 insertions, 43 deletions
diff --git a/src/main.cpp b/src/main.cpp
index e10c2c4..e19fa3e 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -37,7 +37,6 @@
#include <GLFW/glfw3.h>
#include <X11/extensions/Xcomposite.h>
-#include <X11/extensions/Xdamage.h>
extern "C" {
#include <libavcodec/avcodec.h>
@@ -840,6 +839,7 @@ int main(int argc, char **argv) {
XSelectInput(dpy, src_window_id, StructureNotifyMask);
+ /*
int damage_event;
int damage_error;
if (!XDamageQueryExtension(dpy, &damage_event, &damage_error)) {
@@ -849,6 +849,7 @@ int main(int argc, char **argv) {
Damage damage = XDamageCreate(dpy, src_window_id, XDamageReportNonEmpty);
XDamageSubtract(dpy, damage,None,None);
+ */
int frame_count = 0;
@@ -986,57 +987,25 @@ int main(int argc, char **argv) {
}, av_format_context, audio_stream, audio_frame_buf, &sound_device, audio_frame, &write_output_mutex);
}
- int x11_fd = ConnectionNumber(dpy);
- fd_set in_fds;
- struct timeval tv;
-
bool redraw = true;
XEvent e;
while (running) {
+ double frame_start = glfwGetTime();
glfwPollEvents();
- FD_ZERO(&in_fds);
- FD_SET(x11_fd, &in_fds);
-
- /* Wake up thread every frame even if no events are received */
- tv.tv_usec = 1000 * (1000.0 / ((double)fps * 2.0));
- tv.tv_sec = 0;
-
- int num_ready_fds = select(x11_fd + 1, &in_fds, NULL, NULL, &tv);
- if (num_ready_fds < 0) {
- //fprintf(stderr, "Window manager error: select failed on display file descriptor!\n");
- continue;
- }
-
/*glClear(GL_COLOR_BUFFER_BIT);*/
-
- while(num_ready_fds > 0 && XPending(dpy)) {
- XNextEvent(dpy, &e);
-
- if (e.type == ConfigureNotify && e.xconfigure.window == src_window_id) {
- // Window resize
- if(e.xconfigure.width != window_width || e.xconfigure.height != window_height) {
- window_width = e.xconfigure.width;
- window_height = e.xconfigure.height;
- window_resize_timer = glfwGetTime();
- window_resized = true;
- }
- }
-
- if (e.type == damage_event + XDamageNotify) {
- // fprintf(stderr, "Redraw!\n");
- XDamageNotifyEvent *de = (XDamageNotifyEvent *)&e;
- // de->drawable is the window ID of the damaged window
- XserverRegion region = XFixesCreateRegion(dpy, nullptr, 0);
- // Subtract all the damage, repairing the window
- XDamageSubtract(dpy, de->damage, None, region);
- XFixesDestroyRegion(dpy, region);
-
- ++fps_counter;
- redraw = true;
+ if (XCheckTypedWindowEvent(dpy, src_window_id, ConfigureNotify, &e) && e.xconfigure.window == src_window_id) {
+ // Window resize
+ if(e.xconfigure.width != window_width || e.xconfigure.height != window_height) {
+ window_width = e.xconfigure.width;
+ window_height = e.xconfigure.height;
+ window_resize_timer = glfwGetTime();
+ window_resized = true;
}
}
+ redraw = true;
+
const double window_resize_timeout = 1.0; // 1 second
if(window_resized && glfwGetTime() - window_resize_timer >= window_resize_timeout) {
window_resized = false;
@@ -1072,6 +1041,8 @@ int main(int argc, char **argv) {
}
}
+ ++fps_counter;
+
double time_now = glfwGetTime();
double frame_timer_elapsed = time_now - frame_timer_start;
double elapsed = time_now - start_time;
@@ -1128,6 +1099,11 @@ int main(int argc, char **argv) {
}
// av_frame_free(&frame);
+ double frame_end = glfwGetTime();
+ double frame_sleep_fps = 1.0 / 250.0;
+ double sleep_time = frame_sleep_fps - (frame_end - frame_start);
+ if(sleep_time > 0.0)
+ usleep(sleep_time * 1000.0 * 1000.0);
}
running = 0;