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graphics.h: add new Y8, Y16 formats 

Change-Id: I0cb3786d91f442b5f3b665dd78bf5f0dd4ae4cf0
This commit is contained in:
Igor Murashkin 2013-01-31 17:17:43 -08:00
parent 016806a71b
commit 9e00e66ebc
1 changed files with 58 additions and 0 deletions
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58
include/system/graphics.h
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@ -87,6 +87,64 @@ enum {
*/
HAL_PIXEL_FORMAT_YV12 = 0x32315659, // YCrCb 4:2:0 Planar
/*
* Android Y8 format:
*
* This format is exposed outside of the HAL to the framework.
* The expected gralloc usage flags are SW_* and HW_CAMERA_*,
* and no other HW_ flags will be used.
*
* Y8 is a YUV planar format comprised of a WxH Y plane,
* with each pixel being represented by 8 bits.
*
* It is equivalent to just the Y plane from YV12.
*
* This format assumes
* - an even width
* - an even height
* - a horizontal stride multiple of 16 pixels
* - a vertical stride equal to the height
*
* y_size = stride * height
* c_stride = ALIGN(stride/2, 16)
* c_size = c_stride * height/2
* size = y_size + c_size * 2
* cr_offset = y_size
* cb_offset = y_size + c_size
*
*/
HAL_PIXEL_FORMAT_Y8 = 0x20203859,
/*
* Android Y16 format:
*
* This format is exposed outside of the HAL to the framework.
* The expected gralloc usage flags are SW_* and HW_CAMERA_*,
* and no other HW_ flags will be used.
*
* Y16 is a YUV planar format comprised of a WxH Y plane,
* with each pixel being represented by 16 bits.
*
* It is just like Y8, but has double the bits per pixel (little endian).
*
* This format assumes
* - an even width
* - an even height
* - a horizontal stride multiple of 16 pixels
* - a vertical stride equal to the height
* - strides are specified in pixels, not in bytes
*
* y_size = stride * height
* c_stride = ALIGN(stride/2, 16)
* c_size = c_stride * height/2
* size = y_size + c_size * 2
* cr_offset = y_size
* cb_offset = y_size + c_size
*
*/
HAL_PIXEL_FORMAT_Y16 = 0x20363159,
/*
* Android RAW sensor format:
*