feat: convert on exit

README.md

@@ -13,10 +13,10 @@ This installs the `sdl` binary into your `GOBIN` (defaults to `~/go/bin`). Ensur
 ## Usage
 
 ```bash
-sdl https://example.com/path/to/playlist.m3u8
+sdl https://example.com/page-with-video
 ```
 
-The downloader automatically picks the highest-bandwidth variant when given a master playlist, downloads the segments, and transmuxes them into an `.mp4` container. You can override the output filename:
+If the target URL is a webpage, `sdl` scans it for embedded HLS playlists (`.m3u8`) and downloads each one it finds. You can override the output filename (or prefix when multiple videos exist):
 
 ```bash
 sdl -o myvideo.mp4 https://example.com/path/to/playlist.m3u8
@@ -25,6 +25,7 @@ sdl -o myvideo.mp4 https://example.com/path/to/playlist.m3u8
 ## Features
 
 - Follows HTTP redirects (up to 5 hops)
+- Scrapes webpages for embedded HLS playlists (`<video>`, `<source>`, data attributes, script references)
 - Supports HLS master playlists (auto-select highest bandwidth variant)
 - Produces `.mp4` output via `ffmpeg`
 - Respects basic HTTP timeouts (30 seconds per request)
@@ -32,6 +33,7 @@ sdl -o myvideo.mp4 https://example.com/path/to/playlist.m3u8
 ## Limitations
 
 - Requires `ffmpeg` in `PATH` for transmuxing
+- Webpage scraping is best-effort; dynamic players that load playlists via JS APIs may not be detected
 - No retry logic beyond standard HTTP redirects
 
 ## Development