Man pages for compost
Video Compositing via 'FFmpeg'
| align_audio | Locate a clip's audio within a longer narration |
| align_overlaps | Align a chunk sequence to its narration and derive per-join... |
| audio_concat | Concatenate Audio Files with Exact Silence Gaps |
| audio_convert | Convert an Audio File |
| broadcast_audio | Broadcast-Clean an Audio File |
| chromakey | Chromakey (Green/Blue Screen) Compositing |
| colorkey | Colour-Key to a ProRes 4444 File with Alpha |
| compose_layout | Compose Video Streams onto a Canvas per a Layout |
| concat | Concatenate Video Segments |
| crossfade_concat | Crossfade-concatenate clips, optionally overlaying one audio... |
| dot-assemble_track | Assemble one video track into a single renderable file |
| dot-audio_concat_filter | Build the filter graph for audio_concat |
| dot-broadcast_audio_filter | Build the -af filter graph for the broadcast-clean chain |
| dot-build_zoom_expr | Build Piecewise Zoom Expression for FFmpeg |
| dot-caption_file | First subtitle file referenced by any caption track |
| dot-clip_urls | Ordered media urls of the Clips on a track |
| dot-ease_expr | Easing expression over the frame counter |
| dot-framing_vf | Build the scale/pad ffmpeg filter chain from a framing list |
| dot-generate_zoom_pattern | Generate Stepped Zoom Pattern |
| dot-is_absolute_path | Is a media url an absolute filesystem path? |
| dot-is_caption_track | Is this track a caption track? |
| dot-is_image | Is this output path a still image? |
| dot-kenburns_filter | Build the zoompan filter for a still clip |
| dot-layout_filter | Build the full compose filter graph |
| dot-layout_slots | Validate and coerce a cornball layout |
| dot-lerp_expr | Interpolation expression between two values along an easing... |
| dot-motion_from_effects | Motion spec from a clip's OTIO effects |
| dot-motion_num | Coerce one motion field to numeric with a default |
| dot-motion_xy | Coerce a motion anchor to a length-2 numeric |
| dot-parse_rms | Parse ffmpeg ametadata output into time/rms vectors |
| dot-parse_timestamp | Parse HH:MM:SS.mmm timestamp to seconds |
| dot-pip_filter | Build the PiP corner overlay filter_complex |
| dot-prerender_sources | Pre-render still-image and image-sequence clips into video |
| dot-probe_field | Query a Single Field via ffprobe |
| dot-probe_format_field | Query a Container-Level Field via ffprobe |
| dot-resolve_media | Resolve a media reference url against an optional base... |
| dot-rms_filter | ffmpeg filter chain for a per-window RMS readout |
| dot-run_ffmpeg | Run FFmpeg Command |
| dot-run_ffprobe | Run ffprobe Command |
| dot-sample_corner_color | Sample one pixel's colour from the first frame as 0xRRGGBB |
| dot-slot_chain | One slot's normalization chain |
| dot-still_size | Fit source dimensions into a framing box |
| dot-subtitles_filter | Build the subtitles burn filter for a subtitle file |
| dot-timeline_framing | Framing transform for the timeline |
| dot-timeline_layout | The timeline's cornball layout metadata, or NULL |
| dot-track_role | A track's cornball role ("" when untagged) |
| dot-video_sequence | Walk a video track into renderable clip feeds and join fades |
| frame_export | Export a Single Frame at a Given Time |
| frames_clip | Encode a Numbered Frame Sequence as a Video Clip |
| hstack | Horizontally Stack Two Videos |
| normalize_audio | Normalize Audio Loudness |
| overlay | Overlay Foreground onto Background |
| pad | Scale to Fit and Pad onto a Canvas |
| pip | Picture-in-Picture Corner Overlay |
| probe | Probe Video Metadata |
| render_timeline | Render an OTIO Timeline to a Video File |
| rms_curve | Per-window RMS curve of an audio file |
| still_clip | Render a Still Image as a Video Clip |
| subclip | Extract a Time Range from a Media File |
| vstack | Vertically Stack Two Videos |
| zoom | Zoom Video with Stepped Levels |
