Features and Profiles
JSR-234 defines six feature sets, namely Media Capabilities, and each define minimum implementation requirements in order to try to avoid fragmentation and to define a common minimal base line for the implementations. Every JSR-234 implementation must support at least one Media Capability. The six Media Capabilities are described in the table below.
Media Capability | Description |
---|---|
Music Capability | Music Capability mandates equalizer and audio level control for the main mix of the application. |
3D Audio Capability | 3D Audio Capability mandates support for at least one simultaneous 16 kHz / 16 bits 3D audio sound source and for a global reverberator. Distance attenuation behavior and location control must be supported for the sound source. |
Camera Capability | Camera Capability mandates support for controlling zoom, flash, focus and burst shooting properties of the main camera of the device (to the extent the camera hardware supports them). It also mandates JPEG encoding for the photos. |
Image Encoding Capability | Image Encoding Capability mandates transcoding of Image objects into JPEGs. |
Image Post-processing Capability | Image Post-processing Capability is a proper super set of Image Encoding Capability. In addition, Image Post-processing Capability mandates image processing effects (like monochrome and negative), image transformations like mirroring and cropping, and setting of overlays on top of the original image. Furthermore, JPEG to JPEG image processing must be possible. |
Tuner Capability | Tuner Capability mandates support for normal FM/AM radio controls like tuning, seeking, squelch, stereo mode, signal strength query and preset. RDS is not mandated. |
Read more about this topic: Advanced Multimedia Supplements
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