Video Format New!: .ssa

| Feature | True Video Format (e.g., MKV, MP4) | SSA Subtitle Format | | :--- | :--- | :--- | | Contains pixel frames | Yes (e.g., H.264, AV1 bitstreams) | No | | Contains audio streams | Yes (e.g., AAC, MP3) | No | | Timestamp resolution | Frame-accurate (milliseconds) | Centisecond-accurate (cs) | | Graphical primitives | Raster images | Vector text + drawn shapes (via \p) | | Hardware decoding | Supported via GPU | Requires software rendering |

The .SSA Video Format: Deconstructing a Legacy Subtitle Architecture and Its Influence on Modern Adaptive Streaming .ssa video format

Thus, SSA is a , not a video codec or container. | Feature | True Video Format (e