add bxt_cap_seemless

src/modules/capture/mod.rs

@@ -32,6 +32,7 @@ impl Module for Capture {
             &BXT_CAP_VOLUME,
             &BXT_CAP_SOUND_EXTRA,
             &BXT_CAP_SLOWDOWN,
+            &BXT_CAP_SEEMLESS,
             &BXT_CAP_SAMPLING_EXPOSURE,
             &BXT_CAP_FORCE_FALLBACK,
             &BXT_CAP_OVERRIDE_FFMPEG_ARGS,
@@ -96,6 +97,17 @@ Slowdown factor for the recording.
 For example, `2` means that the video will be two times slower than the realtime playback. \
 Especially useful for TASes.",
 );
+static BXT_CAP_SEEMLESS: CVar = CVar::new(
+    b"bxt_cap_seemless\0",
+    b"1\0",
+    "\
+Skipping recording non-gameplay frames such as one frame in main menu or loading screen.
+
+Set to `0` to disable. Set to `1` to enable. \
+Any value greater than `1` will be the extra amount of frames skipped \
+as soon as a demo or a map is loaded. The recommended value for such situation \
+should be `7` (six first frames will not be captured).",
+);
 static BXT_CAP_SAMPLING_MIN_FPS: CVar = CVar::new(
     b"_bxt_cap_sampling_min_fps\0",
     b"7200\0",
@@ -517,19 +529,21 @@ pub unsafe fn time_passed(marker: MainThreadMarker) {
     let frame_count = *engine::cls_demoframecount.get(marker);
     let cls = &*engine::cls.get(marker);
 
-    if cls.state != 5 {
-        // ca_dedicated=0,
-        // ca_disconnected=1,
-        // ca_connecting=2,
-        // ca_connected=3,
-        // ca_uninitialized=4,
-        // ca_active=5
-        return;
-    } else {
-        if cls_demos.demoplayback == 1 && frame_count == 0 {
-            // demoplayback is updated to 1 after state 4 is done
-            // not sure if frame 0 is that important
+    if BXT_CAP_SEEMLESS.as_bool(marker) {
+        if cls.state != 5 {
+            // ca_dedicated=0,
+            // ca_disconnected=1,
+            // ca_connecting=2,
+            // ca_connected=3,
+            // ca_uninitialized=4,
+            // ca_active=5
             return;
+        } else {
+            if cls_demos.demoplayback == 1 && frame_count < BXT_CAP_SEEMLESS.as_f32(marker) as i32 {
+                // demoplayback is updated to 1 after state 4 is done
+                // frame 0 are skipped by default because they are non-frames
+                return;
+            }
         }
     }