Description of the Subsystem
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SPRUHI7A – December 2012 – Revised June 2016
Copyright © 2012–2016, Texas Instruments Incorporated
High-Definition Video Processing Subsystem (HDVPSS)
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16-bit: ARGB1555, RGB565, ARGB4444
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Bitmap: 1, 2, 4, 8-bit CLUT table
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Global and pixel-level alpha blending value is supported (256 levels). For pixel-level blending, the
alpha value can come from either source or CLUT table.
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Color keying (transparency)
1.1.3.4
Cursor Features
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A dedicated hardware cursor is not supported. If a cursor function is required, it must be implemented
in software.
1.1.3.5
HD/SD Compositor Features
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Supports four independently controlled compositors (HDMI/DVO1,HDCOMP, DV02, SD) .
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The HD compositors will support composition of video and graphics layers to provide full size video
display, graphics overlay, video-in-graphics and picture-in-picture modes for HD video outputs.
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The SD compositor supports video display, graphics overlay, and video-in-graphics for SD video
outputs..
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Each input layer will be given a display order priority which determines the display and blending orders.
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Each output supports independent layer visibility control.
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The compositor supports 256-level alpha blending of two overlapping layers.
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The compositor supports display outputs to HDMI/DVO1 and DVO2 at different scan rates or different
pixel resolutions in addition to the separate SD output. HDCOMP must share either the HDMI or DVO2
pixel clock.
1.1.3.6
Video Output and Encoding Features
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A single HDMI 1.3 compliant interface with HDCP to support 1080p (1080p 24, 30, and 60 are
mandatory), 1080i, 720p, 480p, 480i. 640x480, 800x600, 1024x768, 1280x768, and 1920x1200.
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Two DVO interfaces that support up to 1080p at 60 MHz 8/16/24 YCbCr/RGB formats are included.
Each DVO port supports both embedded and separated sync outputs. VBI data insertion on DVO
outputs are not required.
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HD analog output: Component or VGA, meets all requirements defined in ITR-R BT.470-6
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SD Composite/S-video (NTSC/PAL): meet all requirements defined in ITU-R BT.476-6.
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SD SCART analog outputs.
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All video outputs (SD Composite/S-Video, HDMI/DVO1, HDCOMP, and DVO2) may be active
simultaneously and HDCOMP must in the same pixel clock as either HDMI/DVO1 or DVO2.
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Supported resolutions are 480i, 480p, 720p, 1080i, 1080p.
1.1.3.7
VBI Features
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VBI Closed Captioning and other data pass-through.
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EIA/CEA-608-B Line 21 Data services – supports both SCTE 20 and SCTE 21 standards.
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EIA-708-B Digital Television (DTV) Closed Captioning – support SCTE21/ATSC A/53e standards.
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Reconstruction of lines 10 through 21 of the VBI from a data source available to the host CPU (video
user data DVS706r8 – DVB/SCTE specifications based on PES encoding of VBI data Raw VBI data,
Closed Caption (CC), Teletext (NABTS, WSS), CGMS, VPS, VITC, Gemstar 1x and 2x, Extended Data
Service(XDS), Moji, V-Chip).
1.1.3.8
Copy Protection
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NTSC Analog outputs (only for SD modes) – Macrovision version 7.1
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HDMI - HDCP
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All analog outputs – CGMS-A on all analog outputs
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Uses 59.94Hz output frame rate for both 59.94 and 60Hz source materials to maintain the same output
