PlayStation MDEC Stream BS

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Format Specifications

// PS1 MDEC Stream
// BS file format

// litle endian

2 bytes (uint16) - signature   // 0x00 0x38
2 bytes (uint16) - data size of runlevel, not including header // e.g. 4
2 bytes (uint16) - version  // 2
2 bytes (uint16) - quantization step

// color difference blocks
x bytes - Cb block
x bytes - Cr block

// luminance blocks
x bytes - Y0 block
x bytes - Y1 block
x bytes - Y2 block
x bytes - Y3 block

MultiEx BMS Script

Not written yet.

Notes and Comments

  • Standard resolution for BS images should be 320x240.
  • BS format is single-frame MDEC image.
  • BS stands for "bitstream", referring to Huffman encoding.


List of games using this file format:

  • Parasite Eve 2

Compatible Programs

See Also