Several specialized repositories provide high-quality, large-scale MP4 files for testing purposes:
A 1GB MP4 (typically 10–15 minutes of 1080p video or 30 minutes of 720p video) forces your streaming player to handle chunked loading, buffering, and bitrate switching. Developers use 1GB files to test HLS (HTTP Live Streaming) or DASH implementations.
allows you to choose different resolutions that can reach larger sizes depending on the codec. www.thinkbroadband.com Quick Tips for Testing
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Test if your ISP or local network caps speeds during sustained large transfers.
: Large files reveal how well your video player handles extended buffering and segment loading.
(Use -c copy for no re-encoding, adjust -t in seconds until size ≈ 1GB)