.. _jpeg-quality-control:
``V4L2_CID_JPEG_COMPRESSION_QUALITY (integer)``
- ``V4L2_CID_JPEG_COMPRESSION_QUALITY`` control determines trade-off
- between image quality and size. It provides simpler method for
- applications to control image quality, without a need for direct
- reconfiguration of luminance and chrominance quantization tables. In
- cases where a driver uses quantization tables configured directly by
- an application, using interfaces defined elsewhere,
- ``V4L2_CID_JPEG_COMPRESSION_QUALITY`` control should be set by
+ Determines trade-off between image quality and size.
+ It provides simpler method for applications to control image quality,
+ without a need for direct reconfiguration of luminance and chrominance
+ quantization tables. In cases where a driver uses quantization tables
+ configured directly by an application, using interfaces defined
+ elsewhere, ``V4L2_CID_JPEG_COMPRESSION_QUALITY`` control should be set by
driver to 0.
The value range of this control is driver-specific. Only positive,