1. 1. Overview

Cinepak for SEGA SATURN is software that makes it easy to incorporate Macintosh QuickTime movies into SEGA SATURN.
To create a Cinepak movie for SEGA SATURN and use it in a gaming application, you generally need to:

• Digitize video material and convert it to QuickTime movie
• Edit the movie using the QuickTime editing tool
• Cinepak compress your edited QuickTime movie
• Convert Cinepak-compressed QuickTime movie to SEGA SATURN format Cinepak movie with MovieToSaturn_J provided by SEGA
• Create an application and play a Cinepak movie using the Cinepak library provided by SEGA.

1.1 Features

The features of Cinepak for SEGA SATURN are as follows:

• Continuous playback and branch playback can be performed seamlessly for both sound and video.
• You can play multiple videos at the same time.
• The chroma key feature allows you to combine only certain parts of a movie on top of another movie or still image.
• With the specified frame expansion function, you can use the frame of the movie as a still image.
• Since it supports the CD-ROM XA format (Mode2Form1), multiple videos and data (collision data, etc.) can be interleaved.

1.2 Composition

The configuration of Cinepak for SEGA SATURN is as follows:

Table 1.1 Configuration of Cinepak for SEGA SATURN

program	explanation
Movie To SATURN_J	Cinepak A converter for converting compressed QuickTime movies to SEGA SATURN format. For use on Macintosh
Cinepak library	Library for SEGA SATURN for playing Cinepak movies. A separate file system library, stream system library, and DMA library are required to use this library.
Sample program	Sample program using Cinepak library
Film Analyzer utility	Utility program for analyzing Cinepak movie for SEGA SATURN

1.3 System image

Figure 1.1 System image

1.4 Usage environment

• Macintosh 680X0 series PowerPC series (680X0 emulation)

• QuickTime Ver.1.61, Ver.2.0
  Ver.1.62 (for PowerPC)

• PC / AT compatible machine Virtual CD compatible product

A network environment is required to transfer Cinepak movies converted to SEGA SATURN format to PC / AT.

1.5 Compatible version

• MovieToSaturn_J Ver1.09 or higher
• File system library Ver2.10 or higher
• Stream system library Ver2.10 or higher
• DMA library Ver1.05 or higher
• Sound I / F library Ver1.05 or higher

1.6 Specifications

Table 1.2 Cinepak for SEGASATURN specifications

item	specification	remarks
frame rate	max30fps	・ 32K color reproduction 320 × 224 at 24 to 30fps (24fps or less is appropriate to ensure image quality) ・ 16M color reproduction 320 × 224 at 15-18fps
Frame size	Vertical: 240 pixels or less (multiple of 8) Horizontal: 512 pixels or less (multiple of 8) Area: 320 x 240 or less
Color	32K colors (compressed data is 16M colors), 16M colors
Compression rate	About 1/10 to 1/25	Quality, keyframe settings, Depends on the material
Keyframe	Optional setting
sound	PCM uncompressed / sampling frequency max44.1KHz (32KHz, 22.050KHz, 11KHz, etc.) ・ Quantization bit number 8, 16-bit channel Monaural, stereo	PAN setting, volume adjustable
CD-ROM format	Model, Mode2Forml	Mode2Form2 cannot be used
reproduction	・ Memory playback, CD playback / branch playback, continuous playback / multi-movi playback (up to 4 videos) ・ Pose (Pose at keyframe position is possible by specification) ・ Still image playback (specified frame expansion) ・ Movie playback of video only (no sound) ・ Movie playback of sound only (no video)
Dropped frames	Cut the frame immediately before the key frame when playback is not in time
Maximum time for continuous playback	max 1 hour	Infinite loop in continuous playback Example) Movie 1 → Movie 2 → Movie 1 → Movie 2 → Movie 1 ………
Superimpose	Convert specified color to transparent color by chroma key processing	Keyout range can be set