From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- Documentation/DocBook/v4l/pixfmt-packed-yuv.xml | 244 ++++++++++++++++++++++++ 1 file changed, 244 insertions(+) create mode 100644 Documentation/DocBook/v4l/pixfmt-packed-yuv.xml (limited to 'Documentation/DocBook/v4l/pixfmt-packed-yuv.xml') diff --git a/Documentation/DocBook/v4l/pixfmt-packed-yuv.xml b/Documentation/DocBook/v4l/pixfmt-packed-yuv.xml new file mode 100644 index 00000000..3cab5d0c --- /dev/null +++ b/Documentation/DocBook/v4l/pixfmt-packed-yuv.xml @@ -0,0 +1,244 @@ + + + Packed YUV formats + &manvol; + + + Packed YUV formats + Packed YUV formats + + + Description + + Similar to the packed RGB formats these formats store +the Y, Cb and Cr component of each pixel in one 16 or 32 bit +word. + + + Packed YUV Image Formats + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Identifier + Code +   + Byte 0 in memory + Byte 1 + Byte 2 + Byte 3 + + +   +   + Bit + 7 + 6 + 5 + 4 + 3 + 2 + 1 + 0 +   + 7 + 6 + 5 + 4 + 3 + 2 + 1 + 0 +   + 7 + 6 + 5 + 4 + 3 + 2 + 1 + 0 +   + 7 + 6 + 5 + 4 + 3 + 2 + 1 + 0 + + + + + V4L2_PIX_FMT_YUV444 + 'Y444' + + Cb3 + Cb2 + Cb1 + Cb0 + Cr3 + Cr2 + Cr1 + Cr0 + + a3 + a2 + a1 + a0 + Y'3 + Y'2 + Y'1 + Y'0 + + + + V4L2_PIX_FMT_YUV555 + 'YUVO' + + Cb2 + Cb1 + Cb0 + Cr4 + Cr3 + Cr2 + Cr1 + Cr0 + + a + Y'4 + Y'3 + Y'2 + Y'1 + Y'0 + Cb4 + Cb3 + + + + V4L2_PIX_FMT_YUV565 + 'YUVP' + + Cb2 + Cb1 + Cb0 + Cr4 + Cr3 + Cr2 + Cr1 + Cr0 + + Y'4 + Y'3 + Y'2 + Y'1 + Y'0 + Cb5 + Cb4 + Cb3 + + + + V4L2_PIX_FMT_YUV32 + 'YUV4' + + a7 + a6 + a5 + a4 + a3 + a2 + a1 + a0 + + Y'7 + Y'6 + Y'5 + Y'4 + Y'3 + Y'2 + Y'1 + Y'0 + + Cb7 + Cb6 + Cb5 + Cb4 + Cb3 + Cb2 + Cb1 + Cb0 + + Cr7 + Cr6 + Cr5 + Cr4 + Cr3 + Cr2 + Cr1 + Cr0 + + + +
+ + Bit 7 is the most significant bit. The value of a = alpha +bits is undefined when reading from the driver, ignored when writing +to the driver, except when alpha blending has been negotiated for a +Video Overlay or Video Output Overlay. + + + + + -- cgit v1.2.3