# 2️⃣ Clone the repository git clone https://github.com/klwap/dvdplay.git cd dvdplay

Title 1 (0:03:12) – 1 video track, 2 audio tracks, 1 subtitle track Audio 0: AC3 5.1 (English) Audio 1: AC3 5.1 (Spanish) Subtitle 0: English (forced) Title 2 (1:45:23) – 1 video track, 3 audio tracks, 2 subtitle tracks ... klwap.dvdplay /dev/sr0 --title 2 --audio 1 6.4 Start playback at chapter 3, mute subtitles, and force angle 2 klwap.dvdplay /dev/sr0 -t 2 -c 3 --subtitle none --angle 2 6.5 Extract a title to an MP4 file (no rendering) klwap.dvdplay /path/to/movie.iso -t 3 --no-output \ --output title3.mp4 --format mp4 6.6 Pipe raw frames to FFmpeg for on‑the‑fly transcoding klwap.dvdplay /dev/sr0 -t 1 --no-output \ --pipe "ffmpeg -f rawvideo -pix_fmt yuv420p -s 720x480 -r 29.97 -i - -c:v libx264 output.mkv" 6.7 Automated quality‑control loop (plays each title for 10 seconds) #!/usr/bin/env bash src="/dev/sr0" titles=$(klwap.dvdplay "$src" list | grep '^Title' | cut -d' ' -f2)

for t in $titles; do echo "Testing Title $t ..." klwap.dvdplay "$src" -t "$t" --no-output --duration 10 echo "Done." done The --duration <seconds> flag (available from v1.3) stops playback after the given number of seconds – perfect for automated tests. 7️⃣ Advanced Use‑Cases | Use‑Case | Command Pattern | Explanation | |----------|-----------------|-------------| | Batch Transcode All Titles | for t in $(klwap.dvdplay iso list | grep '^Title' | cut -d' ' -f2); do klwap.dvdplay iso -t $t --no-output --pipe "ffmpeg -f rawvideo -pix_fmt yuv420p -s $WIDTHx$HEIGHT -r $FPS -i - -c:v libx264 -preset slow -crf 22 title$t.mp4"; done | Loops through each title, pipes raw YUV frames to FFmpeg, and creates a compressed MP4. | | Subtitle Extraction Only | klwap.dvdplay iso -t 2 --subtitle 0 --no-video --no-audio --output subs.srt --format srt | Extracts a subtitle stream into an SRT file. | | Remote Playback via SSH | ssh user@host 'klwap.dvdplay /dev/sr0 -t 1 --no-output --pipe "cat > /tmp/video.raw"' | Streams raw video to a file on the remote host for later processing. | | Headless Server QA | klwap.dvdplay /path/to/ISO test --log-level debug | Runs the built‑in test mode (checks navigation, returns a pass/fail exit code). | | Custom Audio Routing | klwap.dvdplay /dev/sr0 -a 0 --audio-device "pulse" | Sends audio to the PulseAudio sink named “pulse”.