Text subtitles are not bitmap subtitles
SRT/SubRip, WebVTT, ASS/SSA and mov_text can be extracted as text. PGS and VobSub are image-based subtitle streams and are labeled “OCR required” rather than reported as a generic conversion failure.
Inspect every subtitle stream and extract supported text tracks while identifying bitmap subtitles accurately.
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SRT/SubRip, WebVTT, ASS/SSA and mov_text can be extracted as text. PGS and VobSub are image-based subtitle streams and are labeled “OCR required” rather than reported as a generic conversion failure.
Stream index, language, codec, title and default disposition are shown before extraction so multilingual containers remain predictable.