diff --git a/.gitignore b/.gitignore
index 2fc5174..5d1d88b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,7 +4,7 @@ outputs/
 .DS_Store
 Examples/
 env/
-
+ideas/
 
 # Byte-compiled / optimized / DLL files
 __pycache__/
diff --git a/experimental/convertersink.py b/experimental/convertersink.py
new file mode 100644
index 0000000..d486b27
--- /dev/null
+++ b/experimental/convertersink.py
@@ -0,0 +1,315 @@
+#!/usr/bin/env python3
+import argparse, os, shlex, subprocess, sys
+from pathlib import Path
+
+# ------------------------------
+# Helpers
+# ------------------------------
+def run(cmd):
+    print(">>", " ".join(shlex.quote(c) for c in cmd))
+    proc = subprocess.run(cmd)
+    if proc.returncode != 0:
+        sys.exit(proc.returncode)
+
+def ext_lower(path):
+    return Path(path).suffix.lower().lstrip(".")
+
+def guess_container(output_path, fmt_override=None):
+    if fmt_override:
+        return fmt_override.lower()
+    ext = ext_lower(output_path)
+    # Map common aliases/extensions to FFmpeg muxer names
+    alias = {
+        "mp4":"mp4", "m4v":"mp4", "mov":"mov", "qt":"mov", "mkv":"matroska",
+        "webm":"webm", "avi":"avi", "wmv":"asf", "asf":"asf",
+        "flv":"flv", "ts":"mpegts", "m2ts":"mpegts", "mpeg":"mpeg", "mpg":"mpeg",
+        "mxf":"mxf", "wav":"wav", "mp3":"mp3", "m4a":"ipod", "aac":"adts", "ogg":"ogg",
+        "oga":"ogg", "opus":"ogg", "flac":"flac", "alac":"ipod",
+        "gif":"gif",
+        # image sequences
+        "jpg":"image2", "jpeg":"image2", "png":"image2", "tif":"image2", "tiff":"image2", "bmp":"image2", "exr":"image2"
+    }
+    return alias.get(ext, ext or "mp4")
+
+def is_audio_only(fmt):
+    return fmt in {"mp3","ipod","adts","ogg","flac","wav"}
+
+def default_codecs_for_container(mux):
+    """
+    Conservative, broadly compatible defaults.
+    Overridden by profiles or explicit --vcodec/--acodec.
+    """
+    if mux in ("mp4", "mov", "matroska"):
+        return ("libx264", "aac")
+    if mux == "webm":
+        return ("libvpx-vp9", "libopus")
+    if mux == "gif":
+        return (None, None)  # handled via palette method
+    if mux in ("mp3","adts","ogg","flac","wav","ipod"):
+        return (None, None)  # audio-only handled separately
+    if mux == "mxf":
+        # Default to XDCAM HD 50 unless profile overrides
+        return ("mpeg2video", "pcm_s16le")
+    if mux == "mpegts":
+        return ("libx264", "aac")
+    if mux == "avi":
+        # Legacy default: MPEG-4 ASP + MP3
+        return ("mpeg4", "mp3")
+    return ("libx264", "aac")
+
+# ------------------------------
+# Profiles (curated, battle-tested)
+# ------------------------------
+PROFILES = {
+    # Web/General delivery
+    "mp4_h264": lambda: [
+        "-c:v","libx264","-preset","veryfast","-crf","18",
+        "-pix_fmt","yuv420p",
+        "-movflags","+faststart",
+        "-c:a","aac","-b:a","192k","-ac","2"
+    ],
+    "mp4_hevc": lambda: [
+        "-c:v","libx265","-preset","medium","-crf","22",
+        "-tag:v","hvc1",
+        "-pix_fmt","yuv420p",
+        "-movflags","+faststart",
+        "-c:a","aac","-b:a","192k","-ac","2"
+    ],
+    "mp4_av1": lambda: [
+        "-c:v","libaom-av1","-crf","28","-b:v","0",
+        "-pix_fmt","yuv420p",
+        "-movflags","+faststart",
+        "-c:a","aac","-b:a","192k","-ac","2"
+    ],
+
+    # WebM
+    "webm_vp9": lambda: [
+        "-c:v","libvpx-vp9","-b:v","0","-crf","30",
+        "-row-mt","1",
+        "-pix_fmt","yuv420p",
+        "-c:a","libopus","-b:a","160k","-ac","2"
+    ],
+    "webm_av1": lambda: [
+        "-c:v","libaom-av1","-crf","32","-b:v","0",
+        "-pix_fmt","yuv420p",
+        "-c:a","libopus","-b:a","160k","-ac","2"
+    ],
+
+    # Professional mezzanine
+    "prores_422": lambda: [
+        "-c:v","prores_ks","-profile:v","2",
+        "-pix_fmt","yuv422p10le",
+        "-c:a","pcm_s16le"
+    ],
+    "prores_4444": lambda: [
+        "-c:v","prores_ks","-profile:v","4",
+        "-pix_fmt","yuva444p10le",
+        "-c:a","pcm_s24le"
+    ],
+    "dnxhr_hq": lambda: [
+        "-c:v","dnxhd","-profile:v","dnxhr_hq",
+        "-pix_fmt","yuv422p",
+        "-c:a","pcm_s16le"
+    ],
+
+    # Broadcast MXF (OP1a)
+    "mxf_xdcamhd50_1080i59": lambda: [
+        "-c:v","mpeg2video","-b:v","50M","-minrate","50M","-maxrate","50M","-bufsize","17825792",
+        "-r","30000/1001","-flags","+ildct+ilme","-top","1",
+        "-pix_fmt","yuv422p",
+        "-c:a","pcm_s24le","-ar","48000","-ac","2",
+        "-f","mxf"
+    ],
+
+    # Archival lossless
+    "lossless_ffv1": lambda: [
+        "-c:v","ffv1","-level","3","-g","1","-slicecrc","1",
+        "-c:a","pcm_s24le"
+    ],
+
+    # GIF
+    "gif": lambda: ["-filter_complex","[0:v]fps=15,scale=iw:-2:flags=lanczos"],
+
+    # Image sequences
+    "png_seq": lambda: ["-c:v","png"],
+    "jpg_seq": lambda: ["-qscale:v","2"],
+
+    # Audio-only
+    "mp3_320": lambda: ["-vn","-c:a","libmp3lame","-b:a","320k"],
+    "aac_192": lambda: ["-vn","-c:a","aac","-b:a","192k"],
+    "flac":    lambda: ["-vn","-c:a","flac"],
+
+    # --- NEW: AVI speed-focused presets ---
+    # Very fast encode, big files; great for quick turnarounds or NLE ingest
+    "avi_mjpeg_fast": lambda: ["-c:v","mjpeg","-q:v","3","-c:a","pcm_s16le"],
+    # Legacy-compatible, faster-than-default MPEG-4 ASP
+    "avi_mpeg4_fast": lambda: ["-c:v","mpeg4","-qscale:v","3","-bf","0","-mbd","0","-c:a","mp3","-b:a","192k"]
+}
+
+# ------------------------------
+# Command builder
+# ------------------------------
+def build_ffmpeg_command(args):
+    in_path = args.input
+    out_path = args.output
+
+    if not out_path:
+        base = str(Path(in_path).with_suffix(""))
+        ext = f".{args.format}" if args.format else ".mp4"
+        out_path = base + ext
+
+    mux = guess_container(out_path, args.format)
+    common = ["ffmpeg", "-hide_banner", "-y" if args.force else "-n", "-i", in_path]
+
+    # Stream copy?
+    if args.copy:
+        return common + ["-c","copy", out_path]
+
+    # Explicit codecs (can be overridden by profile if repeated later)
+    vcodec = args.vcodec
+    acodec = args.acodec
+
+    # Apply profile if chosen
+    profile_args = []
+    if args.profile:
+        prof = PROFILES.get(args.profile)
+        if not prof:
+            sys.exit(f"Unknown profile: {args.profile}")
+        profile_args = prof()
+
+    # If no explicit profile and no explicit codecs, choose container defaults
+    if not args.profile:
+        dv, da = default_codecs_for_container(mux)
+        if not vcodec and dv: vcodec = dv
+        if not acodec and da: acodec = da
+
+    cmd = list(common)
+
+    # Special path: GIF palette method
+    if mux == "gif" or args.profile == "gif":
+        vf = []
+        if args.vf: vf.append(args.vf)
+        else: vf.append("fps=15,scale=iw:-2:flags=lanczos")
+        palette_chain = f"[0:v]{','.join(vf)},palettegen[p];[0:v]{','.join(vf)}[v];[v][p]paletteuse"
+        gif_cmd = list(common) + ["-filter_complex", palette_chain, "-gifflags", "+transdiff", out_path]
+        return gif_cmd
+
+    # Video settings
+    if vcodec:
+        cmd += ["-c:v", vcodec]
+    if args.crf is not None:
+        cmd += ["-crf", str(args.crf)]
+    if args.bitrate:
+        cmd += ["-b:v", args.bitrate]
+    if args.maxrate:
+        cmd += ["-maxrate", args.maxrate]
+    if args.bufsize:
+        cmd += ["-bufsize", args.bufsize]
+    if args.preset:
+        cmd += ["-preset", args.preset]
+    if args.profile_v:
+        cmd += ["-profile:v", args.profile_v]
+    if args.level:
+        cmd += ["-level", args.level]
+    if args.pix_fmt:
+        cmd += ["-pix_fmt", args.pix_fmt]
+    if args.gop:
+        cmd += ["-g", str(args.gop)]
+    if args.r:
+        cmd += ["-r", args.r]
+    if args.vf:
+        cmd += ["-vf", args.vf]
+    if args.tagv:
+        cmd += ["-tag:v", args.tagv]
+
+    # Audio settings
+    if acodec:
+        cmd += ["-c:a", acodec]
+    if args.abitrate:
+        cmd += ["-b:a", args.abitrate]
+    if args.ac:
+        cmd += ["-ac", str(args.ac)]
+    if args.ar:
+        cmd += ["-ar", args.ar]
+
+    # Container niceties
+    if mux == "mp4" and "+faststart" not in " ".join(profile_args):
+        cmd += ["-movflags", "+faststart"]
+
+    # Append profile args last so they can set container-specific flags
+    if profile_args:
+        cmd += profile_args
+
+    # --- NEW: Sensible AVI defaults when user didn't specify quality flags or a profile ---
+    if mux == "avi" and not args.profile:
+        # If using MPEG-4 ASP and no quality flags were set, favor speed with decent visual quality
+        have_quality_flag = any(x in (args.crf, args.bitrate, args.maxrate, args.bufsize) for x in [args.crf, args.bitrate, args.maxrate, args.bufsize])
+        if (vcodec or "").lower() == "mpeg4" and not have_quality_flag:
+            # Avoid B-frames for speed; use qscale for constant quality
+            cmd += ["-qscale:v","3","-bf","0"]
+        # If user picked MJPEG explicitly without profile and no quality, set q:v
+        if (vcodec or "").lower() == "mjpeg" and not have_quality_flag:
+            cmd += ["-q:v","3"]
+        # Reasonable audio default if none provided
+        if not acodec:
+            cmd += ["-c:a","mp3","-b:a","192k"]
+
+    # Raw passthrough flags after '--'
+    if args.ffmpeg_args:
+        cmd += args.ffmpeg_args
+
+    cmd += [out_path]
+    return cmd
+
+# ------------------------------
+# CLI
+# ------------------------------
+def parse_args():
+    p = argparse.ArgumentParser(
+        description="Black-box FFmpeg converter: any format in → any format out.",
+        formatter_class=argparse.ArgumentDefaultsHelpFormatter
+    )
+    # Globals / required
+    p.add_argument("-i","--input", required=True, help="Input media file")
+    p.add_argument("-o","--output", help="Output path (extension chooses container unless --format)")
+    p.add_argument("-F","--force", action="store_true", help="Overwrite output file")
+
+    # Container/format control
+    p.add_argument("--format", help="Force container/muxer (e.g., mp4, mov, webm, matroska, mxf, gif, image2, avi)")
+    p.add_argument("--profile", choices=sorted(PROFILES.keys()), help="Apply a curated preset")
+
+    # Codecs & quality
+    p.add_argument("--vcodec", help="Video codec (e.g., libx264, libx265, libaom-av1, prores_ks, dnxhd, mpeg2video, mpeg4, mjpeg)")
+    p.add_argument("--acodec", help="Audio codec (e.g., aac, libopus, libmp3lame, mp3, pcm_s16le)")
+    p.add_argument("--crf", type=int, help="Constant Rate Factor (quality target for many codecs)")
+    p.add_argument("--bitrate", help="Video bitrate (e.g., 5M)")
+    p.add_argument("--maxrate", help="Video maxrate")
+    p.add_argument("--bufsize", help="Video VBV buffer size")
+    p.add_argument("--preset", help="Codec speed/efficiency preset (varies by codec)")
+    p.add_argument("--profile-v", dest="profile_v", help="Video codec profile (e.g., high, main, baseline; or prores profile index)")
+    p.add_argument("--level", help="Video level (e.g., 4.1)")
+    p.add_argument("--pix-fmt", dest="pix_fmt", help="Pixel format (e.g., yuv420p, yuv422p10le, yuva444p10le)")
+    p.add_argument("--gop", type=int, help="GOP/keyframe interval (frames)")
+    p.add_argument("-r", help="Output frame rate (e.g., 30000/1001, 25, 24)")
+    p.add_argument("--vf", help="Video filtergraph")
+    p.add_argument("--tagv", help="Force video fourcc/tag (e.g., hvc1)")
+
+    # Audio
+    p.add_argument("--abitrate", help="Audio bitrate (e.g., 192k)")
+    p.add_argument("--ac", type=int, help="Audio channels")
+    p.add_argument("--ar", help="Audio sample rate (e.g., 48000)")
+
+    # Stream copy
+    p.add_argument("--copy", action="store_true", help="Stream copy all streams when compatible (no re-encode)")
+
+    # Pass-through extra ffmpeg args after --
+    p.add_argument("ffmpeg_args", nargs=argparse.REMAINDER, help="Raw args after -- go straight to ffmpeg")
+    return p.parse_args()
+
+def main():
+    args = parse_args()
+    cmd = build_ffmpeg_command(args)
+    run(cmd)
+
+if __name__ == "__main__":
+    main()
diff --git a/experimental/convertersink.sh b/experimental/convertersink.sh
new file mode 100644
index 0000000..030c096
--- /dev/null
+++ b/experimental/convertersink.sh
@@ -0,0 +1,87 @@
+#!/bin/bash
+# run_examples.sh
+# Batch conversions using convertersink.py, pausing 2s between each job.
+
+set -e
+
+# General H.264 MP4 (web-friendly)
+python3 convertersink.py -i bbb.mov -o out.mp4 --profile mp4_h264 -F
+sleep 2
+
+# HEVC in MP4 (Apple-friendly tag)
+# python3 convertersink.py -i bbb.mkv -o out_hevc.mp4 --profile mp4_hevc -F
+sleep 2
+
+# AV1 in MP4 (tiny files, slow encode)
+python3 convertersink.py -i bbb.mov -o out_av1.mp4 --profile mp4_av1 -F
+sleep 2
+
+# WebM VP9 + Opus
+python3 convertersink.py -i bbb.mp4 -o out.webm --profile webm_vp9 -F
+sleep 2
+
+# WebM AV1 + Opus
+python3 convertersink.py -i bbb.mp4 -o out_av1.webm --profile webm_av1 -F
+sleep 2
+
+# ProRes 422 in MOV (mezzanine)
+python3 convertersink.py -i bbb.mp4 -o out_prores.mov --profile prores_422 -F
+sleep 2
+
+# ProRes 4444 in MOV (alpha support)
+python3 convertersink.py -i in_prores4444_src.mov -o out_4444.mov --profile prores_4444 -F
+sleep 2
+
+# DNxHR HQ in MOV
+python3 convertersink.py -i bbb.mp4 -o out_dnxhr.mov --profile dnxhr_hq -F
+sleep 2
+
+# MXF XDCAM HD 50 (1080i59.94 broadcast)
+python3 convertersink.py -i bbb.mov -o out_xdcamhd50.mxf --profile mxf_xdcamhd50_1080i59 -F
+sleep 2
+
+# Lossless archival (FFV1 in MKV)
+python3 convertersink.py -i bbb.mov -o archive.mkv --profile lossless_ffv1 -F
+sleep 2
+
+# High-quality GIF
+python3 convertersink.py -i bbb.mp4 -o out.gif --profile gif -F
+sleep 2
+
+# Image sequence (PNG)
+python3 convertersink.py -i bbb.mp4 -o frames_%05d.png --format image2 --profile png_seq -F
+sleep 2
+
+# Image sequence (JPEG, quality ~2)
+python3 convertersink.py -i bbb.mp4 -o frames_%05d.jpg --format image2 --profile jpg_seq -F
+sleep 2
+
+# Audio-only (MP3 320k)
+python3 convertersink.py -i bbb.mov -o track.mp3 --profile mp3_320 -F
+sleep 2
+
+# Audio-only (AAC 192k in M4A)
+python3 convertersink.py -i bbb.mov -o track.m4a --profile aac_192 -F
+sleep 2
+
+# Quick stream-copy (no re-encode) when compatible
+python3 convertersink.py -i bbb.mp4 -o just_rewrap.mkv --copy -F
+sleep 2
+
+# Custom overrides (manual control)
+python3 convertersink.py -i bbb.mov -o out_custom.mp4 --vcodec libx264 --crf 20 --preset medium \
+  --pix-fmt yuv420p --acodec aac --abitrate 160k --ac 2 --vf "scale=1280:-2" -F
+sleep 2
+
+# Pass raw ffmpeg flags after `--`
+python3 convertersink.py -i bbb.mov -o out_muxqueue.mp4 --profile mp4_h264 -- --max_muxing_queue_size 9999
+sleep 2
+
+# --- New fast AVI presets ---
+# Fast AVI via MJPEG (very fast encode; large output)
+python3 convertersink.py -i bbb.mp4 -o fast_review.avi --profile avi_mjpeg_fast -F
+sleep 2
+
+# Faster legacy AVI via MPEG-4 ASP
+python3 convertersink.py -i bbb.mp4 -o legacy_fast.avi --profile avi_mpeg4_fast -F
+sleep 2