Demuxers

# List all demuxers
ffmpeg -demuxers

# Get detailed help for a specific demuxer
ffmpeg -h demuxer=matroska
ffmpeg -h demuxer=mp4

# Force format detection
ffmpeg -f matroska -i input.file output.mp4

# Read raw video with specific parameters
ffmpeg -f rawvideo -pix_fmt yuv420p -s:v 1920x1080 -r 30 -i input.yuv output.mp4

# Read image sequence
ffmpeg -f image2 -i frame%04d.png output.mp4

# Read from stdin with specific format
cat input.mp4 | ffmpeg -f mp4 -i pipe:0 output.mkv

# Matroska with specific options
ffmpeg -f_strict experimental -i input.mkv output.mp4

# HLS with custom options
ffmpeg -allowed_extensions ALL -i playlist.m3u8 output.mp4

# RTSP with TCP transport
ffmpeg -rtsp_transport tcp -i rtsp://example.com/stream output.mp4

# Image sequence with frame rate
ffmpeg -framerate 24 -i frame%04d.png output.mp4

# Show container and stream information
ffprobe -show_format -show_streams input.mkv

# Show only format information
ffprobe -show_format input.mp4

# Show format in JSON
ffprobe -print_format json -show_format input.avi

# Map specific streams
ffmpeg -i input.mkv -map 0:v:0 -map 0:a:1 output.mp4

# Extract audio stream
ffmpeg -i input.mkv -vn -c:a copy audio.aac

# Extract video stream
ffmpeg -i input.mkv -an -c:v copy video.h264

# Extract subtitles
ffmpeg -i input.mkv -map 0:s:0 -c:s copy subtitles.srt

# Seek to timestamp
ffmpeg -ss 00:01:30 -i input.mp4 output.mp4

# Limit input duration
ffmpeg -t 60 -i input.mp4 output.mp4

# Set input frame rate
ffmpeg -r 30 -i input.avi output.mp4

# Analyze duration
ffmpeg -analyzeduration 10M -probesize 10M -i input.ts output.mp4

# Set timeout for network streams
ffmpeg -timeout 5000000 -i http://example.com/stream.m3u8 output.mp4

# Custom user agent
ffmpeg -user_agent "MyPlayer/1.0" -i http://example.com/video.mp4 output.mkv

# Set buffer size
ffmpeg -buffer_size 1024k -i udp://239.0.0.1:1234 output.ts

# Force format when auto-detection fails
ffmpeg -f matroska -i corrupted.file output.mp4

# Increase analysis time
ffmpeg -analyzeduration 100M -probesize 100M -i input.ts output.mp4

# Ignore errors and continue
ffmpeg -err_detect ignore_err -i broken.avi output.mp4

# Fast seeking (less accurate)
ffmpeg -ss 00:05:00 -i input.mp4 -t 60 -c copy output.mp4

# Accurate seeking (slower)
ffmpeg -i input.mp4 -ss 00:05:00 -t 60 -c copy output.mp4

# Disable scanning
ffmpeg -fflags +genpts -i input.ts output.mp4