2026-10-13 15:09:38 +00:00
1 changed files with 4 additions and 0 deletions
@@ -652,6 +652,10 @@ impl Handler<GeneratePlaylistMessage> for PlaylistGenerator {
                    cmd.arg("-rc").arg("vbr");
                    cmd.arg("-cq").arg("23");
                    cmd.arg("-pix_fmt").arg("yuv420p");
+                    // Without this NVENC turns -force_key_frames into plain
+                    // I-frames, which the HLS muxer can't split on: segments
+                    // fall back to NVENC's 250-frame GOP (8.34 s at 29.97).
+                    cmd.arg("-forced-idr").arg("1");
                } else {
                    cmd.arg("-c:v").arg("h264");
                    cmd.arg("-crf").arg("21");