ViewCast 450E manual

Osprey ® 240e /450e User Guide AVStream Driver Version 4.6[...]

© 2012 ViewCast Corporati on. All rights r eserved. Osprey® and SimulStream® are registered t rademarks of ViewCast Corporatio n Microsoft®, Windo ws®, Windows Serv er ®2003, AVStrea m®, Direct Show®, Intel® Core Duo®, and Windows Medi a® Encoder a re trademarks or r egistered t rademarks of M icrosoft Corpor ation. Any other product n a[...]

Osprey 240e/450e Use r Guide ViewCast iii Contents Overvie w ............................................................................................................................. 1 Warranties .......................................................................................................................... 1 System requirements .....[...]

Contents iv ViewCast Device tab ......................................................................................................................... 42 No -Video Test Pattern ................................................................................................ 43 Buffers Requested ....................................................[...]

Osprey 240e/450e Use r Guide ViewCast v A udio driver ....................................................................................................................... 81 Selecting the audio source and input volume .................................................................. 81 Audio properties page .....................................[...]

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Osprey 240e/450e Use r Guide ViewCast 1 Overview Thank you for purchasin g the ViewC ast Osprey 240e/45 0e video captur e card. Th is user guide provides step- by -step instructions f or installing and using your new video capture c ard. F or the latest ViewC ast product information and news, visit our website at www.vi ewcast.com . Warranties For [...]

Overview 2 ViewCast System requ irements The following sys tem requirem ents relate to your O sprey® video capture card only. The vide o capture or encoding applicati ons you use will li kely require a m uch more pow erful system t han that which is listed below. Please consult your software documenta tion for applicab le system requ irements. Min[...]

Osprey 240e/450e Use r Guide ViewCast 3 Installation Steps In all cases, use the s et up.exe progra m on the product CD or in the web package if you downloaded it . The setup progra m automa tes the Plug and Play steps needed to install t he driver s and ensures the y are performed corr ectly. It also install s the bundled app lets and User’s Gui[...]

Installation Ste ps 4 ViewCast Custom instal ling AVStream During the install ation process, if you ch oose a Custom installa tion , your op tions are limited (Fig ure 1). Figure 1. Osprey 240e Custom Setup screen This window allows you to choose individu al compon ents you ma y want to install. You can als o change the location where c omponents i[...]

Osprey 240e/450e Use r Guide ViewCast 5 All computer cards ar e sensitive to electrostatic d ischarge. Sli ght electrostati c dischar ges from clothing or even fr om the n ormal work envir o nment c an adversely affect these card s. By following these simple gu idelines, ho wever, you can m inimize th e chance of damaging the Osprey vide o capture [...]

Installation Ste ps 6 ViewCast The New Hardwar e Wizard run s and the Found New H ardware window appears followed by the Digital Signature Not Found window (Figure 2 ) Figure 2. Digital Signature Not Found Window 1. Click Continue Anyway . The Controll er installing wind ow displays, and the text inside this window changes to Osprey Vid eo Capture [...]

Osprey 240e/450e Use r Guide ViewCast 7 Setting Driver Properties After installing th e Osprey card and AV Stream dri ver, you need to access the card ’ s settings and possibly modify them t o fit your needs. This manual takes y ou step- by -step visuall y through the card s ettings. Start by opening th e Osprey C o nfig utility. After wards, we [...]

Setting Driver Properties 8 ViewCast Osprey Conf ig’s initial processing s equence After clicking on the Osprey Config icon, the first scre en o f the applica tio n appea rs ( Figure 5 ) sh owing the cards and devic es installed on your comput er. Figure 5. Initial OspreyConfig user interface In this example, the computer in use h as one card and[...]

Osprey 240e/450e Use r Guide ViewCast 9 Figure 6 shows the us er interface that appears wh en you select a filter. We expanded the Osprey 450e Device 1A and selec te d Vid eo Filter . We’ll continue with this device unless we ind icate otherwise. Figure 6. Selecting a device for configuration[...]

Setting Driver Properties 10 ViewCast When you choose Device 1A and Video Filter 1, th e Show Propert ies for Selected Fi lter button beco mes active (Figure 7) . Figure 7. Control used to open the properties page[...]

Osprey 240e/450e Use r Guide ViewCast 11 Understandi ng the device properties wind ow Osprey’s device pr operties window enab les you to view and change the default setting s of the 4.6 driver . Once you are fa miliar with the video card’s pr operties , you can make chang es to get the optimum perfor mance fro m your card and chan ge setting s [...]

Setting Driver Properties 12 ViewCast The Osprey 240e and 450e card s have the foll owing tab s: Input Select the vide o input, NTSC / PAL / S ECAM video stan dard and Input Format Video Proc Amp Set brightness, con trast, saturation, hue, gamma, and sharpness Video Decoder Select the vide o standard – NTSC, PA L , SECAM RefSize Set the reference[...]

Osprey 240e/450e Use r Guide ViewCast 13 Devices and global controls The Osprey 240e and Osprey 450e vide o capture card s can present multiple outpu t streams from a single input devic e. For exa mple, a compan y may wish to d o a webcast gl obally to resell ers, users, or potential custo mers. Using the Filters tab, you can set up different outpu[...]

Setting Driver Properties 14 ViewCast Input tab The source of data fr o m an Osprey 240e/450e that streams to the Internet can c o me from a nu mber of devices such as DV D players, dig ital cameras, camc orders, and so f orth. Figure 10 . Input tab The controls on the Inp ut tab of th e driver properti es card have a global e ffect o n the Osprey [...]

Osprey 240e/450e Use r Guide ViewCast 15 The Input tab has the f o llowing c ontrols. Video Input The Video Input secti o n of the tab all o ws you to s elect the video signal source. Video Present This indicator is enabl ed when video is present. Video Stan dard The Video Standard all o ws you to select the standard different countries or ge ograp[...]

Setting Driver Properties 16 ViewCast Osprey 450e AV option hardware add- on -device In addition to the stand ard componen ts built into th e Osprey 450e card, you can purch ase the Osprey 450e AV Option hardware add-on device. The AV Option exposes add itional inputs for Component and S-Vid eo as well as bala nced audio. For example, when y ou cho[...]

Osprey 240e/450e Use r Guide ViewCast 17 Video input The Video Input (Figure 16 ) lets you select the video sig nal source from a drop-d own list. Figure 13 . Video Input fi eld Osprey 240e The Osprey 240e is a single chann el card. It has multiple video inputs, bu t you can selec t only one of them at a time. Th e inputs that are selectable depend[...]

Setting Driver Properties 18 ViewCast The Osprey - 450e’ s optional auxili ary expansi on connector for video adds three ad ditional inputs, ov er three multi-purpos e physical connector s for each of th e fo ur chan nels:  Component (Ypr Pb) uses all three o f the auxiliary video connectors  S-Video (Y-C) connect s an SVideo connector to t[...]

Osprey 240e/450e Use r Guide ViewCast 19 Input Format: analog inputs Below the Video S tandard drop-down lis t is the Inp ut Format (Figu re 18 ). Figure 18 . Input Format On the Osprey 240 e/450e, when an analog inp ut becomes the med ia source, the controls provide adjustments that impr ove th e clarity of video from mon ochrome sources. When you[...]

Setting Driver Properties 20 ViewCast VideoCheck VideoCheck opens a sim ple video monitoring window (Figure 20 ). You can see the im mediate effect o f changes to your setting s. Most changes show up automatically as so on as you cli ck Apply . You will need to click the applet ’s Update bu tton to see a change that alters the output size of the [...]

Osprey 240e/450e Use r Guide ViewCast 21 chroma display, the sm all s olid rectangular cu rsor corr esponds to the lu ma cursor – that is, if the lu ma cursor is on the r ed color bar, the chr oma cursor will b e at or near the red point i n the chroma display. There are also c ontrols to set the background markings for 75 % or 100 % signal l ev [...]

Setting Driver Properties 22 ViewCast Video Proc Amp tab Video Proc A mp stands for Video Process Amplifie r. It controls various charac teristics of streaming output from Osprey 240e/450e cards. The Video Proc Amp is the sec ond tab from th e left of the D evice 1A properties (Figu re 23 ) . Figure 23 . Video Proc Amp Tab The Video Proc Amp u se s[...]

Osprey 240e/450e Use r Guide ViewCast 23 The Video Proc Amp tab has the following controls. Brightness and Contrast These terms are used fo r contrast ratio. It’s a measur e o f a display sy stem, defin ed as the ratio of the brig htest color (white) to that of the darkest color (black) that the system can produce. A hig h contra st ratio is a de[...]

Setting Driver Properties 24 ViewCast Video Decoder tab The Video Decoder tab is a Micr o soft DirectSh o w stand ard control for setting the NTSC /PAL/SECAM video standards (Figure 24 ). Note: These cont rols are also on the In put tab . Most users fin d the Input tab mo re convenient to use. Figure 24 . Video Decoder tab Changes apply to all v id[...]

Osprey 240e/450e Use r Guide ViewCast 25 The Video Decoder tab has the following controls. Video Stan dard Select the vide o standard Signal Detected When the card d o es not detect the inp ut signal, this fi eld displays a 0. When the card de tects the in put signal, it displays 1. Lines detected This field displays the number of lines the card de[...]

Setting Driver Properties 26 ViewCast RefSize tab Changes made to th e RefSize tab (Figure 25 ) apply to all video pre v iews and cap tures o n the curr ently selected device. The R efSize tab controls the features related to the reference siz e, format, and proportions of the v ideo. Most user s can set up thi s page once and o nly refer t o it oc[...]

Osprey 240e/450e Use r Guide ViewCast 27 Source Width The Source Width c o ntrol c an be used to trim the bla ck left and rig ht edges of an image. Reference Size for Crop and Logo Placement This part of the dial og box d isplays the results of more fund amental settings made else where in the dialog box. 525-Line (NTSC) Vertical Format This contro[...]

Setting Driver Properties 28 ViewCast 16:9 Wide Select 16:9 Wide f or 1.85:1 anam o rphic video such as DVD content and an y widescreen content. The output vide o size is 852 x 4 80 for 525-line standard s, and 1024 x 576 f or 625-line stand ards. To actually s ee output of this size, you have to also sele ct this size in y o ur applicati on. Use W[...]

Osprey 240e/450e Use r Guide ViewCast 29 You can set start lin es all the wa y up to 27 /290. (On the PCI products which have a Dire ct Mode option, PostProcessing M ode must be set in order to have t op lines below 23/ 286.) When the start lin es are below 23 /286, the bott o m of the video frame spill s off the bottom of the 485- line NTSC-standa[...]

Setting Driver Properties 30 ViewCast The driver perfor m s the so urce width adjustment in hardware if possible ; otherw ise it perfor ms it in software. The f ollowing table sum marizes the beha vior of the c ontrol. The Add s CPU colu mn refers to whether setting the control to a v alue other than 7 2 0 in creases CPU usage b eyond what is requi[...]

Osprey 240e/450e Use r Guide ViewCast 31 525 -Line (NTSC) Vertical Format Figure 30 . 525 -Line (N TSC) Vertical Format This control is only meaningfu l for NTSC users. It has n o effect for PAL and SECAM 6 25-line video standards. Select 480-line vide o for all nor m al applicati ons. Select 485-line video for speciali zed applications. When you s[...]

Setting Driver Properties 32 ViewCast Filters tab The Filters tab (Figure 31 ) covers two independent technologies: Si mulStream and deinterlacing. Functionality for both t echnologies exists on th e Filters tab. Figure 31 . Filters tab The RefSize tab has the following c o ntrols. SimulStream Enables SimulStrea m to output the same video in differ[...]

Osprey 240e/450e Use r Guide ViewCast 33 Help Click Help to acc ess the user guid e. Filters have tw o interrelated purp oses:  They allow appli cations to enu merate and list DirectShow vide o capture and pre view pins or streams (each with differen t settings) as named entries in their video devic e select lis t. You can set up the dri ver to [...]

Setting Driver Properties 34 ViewCast The driver includes a free evaluation version. Evaluation mode works the same a s licensed SimulStream except that an e valuation mod e graphic is alwa ys displayed on the video. For details about pu rchasing and installing SimulS tream, refer to the ViewCast website. The check box at the top o f the gr o up tu[...]

Osprey 240e/450e Use r Guide ViewCast 35 list of capture devi ces with Si mulStream enab led, Osprey 240 Vide o Device 1.1, Osprey 24 0 Video Device 1.2 , and … 1.3 and … 1.4 appear. For the Osprey- 450 e, the corresp onding designations would add an “A”. “B”, “C ”, or “D” to indicate the channel number on th e board. Theref o r[...]

Setting Driver Properties 36 ViewCast Deinterlace Figure 35 . Deinterlace settings The deinterlace group has four radio bu ttons. Au to Apply inverse t elecine dein terlacing to all telecine vid eo . Apply motion adaptive deinterlacin g to al l video that is n o t telecine. Switch dyna m ically between the two modes as the c o ntent changes. Avail [...]

Osprey 240e/450e Use r Guide ViewCast 37  Vertical scal ing : When the driver s cales video it trea ts both fields of the frame as a single progressive fram e unit. The frame has to be deinterlac ed or progressiv e. If it is not, and the video has motion, the result in scaled video will be large jagg ed patches on v ertical or diagonal edges. If[...]

Setting Driver Properties 38 ViewCast Currently Using group These indicators allo w you to see the curr ent algorith m . These are no t control bu ttons; they are read- only indicators. They are mainly useful in A uto Mode, to indicate which algorithm – Inverse Telecine or Motion Adaptive – is currently being applied. They ar e also useful in I[...]

Osprey 240e/450e Use r Guide ViewCast 39 Adaptive Deinterlace window Use the adjust dial og to adjust the para meters that co ntrol motion adap tive deinterlacin g (Figure 37 ). Note: When the driv er is using the Inve rse Telecine algorithm, eithe r in Telecine mode or Auto mode, the Adjust settings have no effect at all, and T est Mode is inopera[...]

Setting Driver Properties 40 ViewCast deinterlacing but us es sligh tly more processing power.  The 3-frame algori thm adds one frame time of lat ency to video processing, wher eas the 2-frame alg orithm (when us ed in pure Motion Adaptive mode) does not (s ee Effects on video latency ). The 2-frame algori thm is the default b ecause of the redu[...]

Osprey 240e/450e Use r Guide ViewCast 41 Motion Adaptive – 2 -frame . Once that is done, other factors t o reduce pro cessing time are t he following:  Set Deinterlacin g to Off rather than Mo tion Adaptive – 2 Frame for abs olute minimum processing time.  Set gamma c o rrection to th e default, 100.  For SECAM video, se t the hue adju[...]

Setting Driver Properties 42 ViewCast Device tab Device controls (Fig ure 38 ) are less often us ed items. Unless specifically not ed, changes made on this page apply to all fil te rs and all vide o previews and capture pins o n the currentl y selected de v ice. Unless noted, different set tings may be set and stored for dif ferent devices. Figure [...]

Osprey 240e/450e Use r Guide ViewCast 43 OK Cli ck OK to accept the settings. Cancel Click Cancel to rejec t the s ettings and close the window. Apply Click Apply to app ly the set tings. Help Click Help to acc ess the user guid e. No -Video Test Pattern You can select one o f four patterns to appear when n o video signal is pr esent – 75% color [...]

Setting Driver Properties 44 ViewCast Capture and encoding applications generall y need a la rge number of buffers so they can d ee ply pip eline the downstream proc essing without danger of buffer starv ation at the driver. If buffer starvation is evident, in the for m of drop ped frames, you can try increasin g the number of buffers allocat ed fo[...]

Osprey 240e/450e Use r Guide ViewCast 45 Log to File enable s writing diagnostics directly to a file . Select a director y and file name to c o mplete the setup . For this purpose, Select File displays a standard Windows file selec t sub-dialog. If y ou do not select a file, the default will be c: diag240-1.log. If y o u select a file that already[...]

Setting Driver Properties 46 ViewCast Device Info Figur e 42 . Device Info Th e Device Inf o window displays useful informati o n about th e capture card and the driver, including th e DirectShow name o f the device (Figur e 42 ). Click OK to close the w indow. Board Numbering When you first se t up a system with m ultipl e Osprey boards, th e devi[...]

Osprey 240e/450e Use r Guide ViewCast 47 Figure 43 . Board Numbering Each line represent s the information for one Osprey b o ard. Only boards that are currently ins talled and enabled are shown. Al so , only boards o f one typ e at a time are shown. For exa mple, consider a sy stem with two Osprey-2 40e and two Ospre y -450e boards. T he two board[...]

Setting Driver Properties 48 ViewCast issues before saving the numbers and exiting. H owever, y ou can exit by clicking Ca nc el at any tim e, and your changes will be discarded. The new numbering takes effect when you restart the system. Notes  Board settings, especially vi deo custom pr o perties suc h as Crop, Logo, and Captio ns se ttings, a[...]

Osprey 240e/450e Use r Guide ViewCast 49 Extras Extras (Figure 45 ) are featu res of the AVStream driver that are new, not ful ly defined, or sub ject to change. Extras may also inc lude workaroun ds to unresolved issues that m ay be re so lved at a future time. Extras sh ould be expected to chan ge more fr equently than other aspects of the driver[...]

Setting Driver Properties 50 ViewCast Captions tab The Osprey 240e /450e driv er has four wa ys of deliveri ng NTSC Closed Capti o n (CC) data:  It can render capti o ns directly on t o the video befor e it leaves th e driver.  It can send decod ed caption data t o a DirectSho w-compliant CC pin.  It can send the ra w, undecoded Lin e 21 c[...]

Osprey 240e/450e Use r Guide ViewCast 51 The Captions tab has the following controls. Pin Select The drop-down list has thr ee choices:  Capture  Preview  Both Render NTSC Closed Caption s On Video The driver can rend er close d captions on vide o when NTSC video is selected on the inpu t. Render Logical White as This control group m aps w[...]

Setting Driver Properties 52 ViewCast Render NTSC Closed Captions On Video Figure 47 . Render NTSC Closed Cap tion On Video When you select Rend er NTSC Clos ed Captions On Video (Figure 47 ), the CC Chan nel co ntrol sele cts which channel to r ender . The details of Clos ed Caption channels are beyond the scope of this description – refer to th[...]

Osprey 240e/450e Use r Guide ViewCast 53 CC Pin Figure 49 . CC Pin This group control s whet her the cl osed-caption charac te r pairs the DirectShow CC pin emits ar e from Field 1 or Field 2 of the video. The Direc tSho w specifi cation is that CC on a CC pin is alwa ys from Field 1; however, this ext ension allows appli cation develop ers to acce[...]

Setting Driver Properties 54 ViewCast Logo tab Figure 50 . Logo tab The Logo tab has the f o llo wing controls. Pin Select The drop-down list has thr ee choices:  Capture  Preview  Both Enable Logo on File and Color sub tab From this control, enable or disable the logo. Enable Key Colo r on File and Color sub tab Control the key c olor and[...]

Osprey 240e/450e Use r Guide ViewCast 55 Weighting on Fi l e and Color sub tab Set the degree of transparency of the logo. Position an d Size sub tab Set the position of th e logo and the scale. OK Cli ck OK to accept the settings. Cancel Click Cancel to rejec t the s ettings and close the window. Apply Click Apply to app ly the set tings. Help Cli[...]

Setting Driver Properties 56 ViewCast Pin Select You can have different setups for the two pins. For example, you could enable th e logo on the capture pin but not on the pre view pin, and thereby save s ome CPU time. Figure 51 . Pin Select Capture When you click Capture , the current logo settings f o r the capture pin are loaded, and chang es you[...]

Osprey 240e/450e Use r Guide ViewCast 57 Enable Key Color Figure 53 . Enable Key Co lor You can control the ke y col o r and the transpa rency effect. If vide o is running, y ou see your changes interactively. You can use these controls with both BMP and PNG images. Y ou can use key c olors with PN G images that contain embedded alpha channels, but[...]

Setting Driver Properties 58 ViewCast Weighting The degree of weigh ting of the log o is variable thr ough 100 steps. If the setting is 100, the logo will b e 100% opaque. If the s et ting is 0, the logo is complet ely transparent and invisibl e . If you have se t a key color, the weigh ting or tran sparency value is applied only to pixels that do [...]

Osprey 240e/450e Use r Guide ViewCast 59 The four Nudge bu ttons, L, R, U, and D, move the log o left, right, up , or down exa ctly one pi xel at a time on the output vide o. Since the positionin g rectangle may be scaled d own from the full vide o size, th e Nudge buttons all ow more accur ate positioning of the logo. The slide control a t the bot[...]

Setting Driver Properties 60 ViewCast Size and Crop tab This tab (Figure 57 ) has tw o functions. It sets the d efault output size, whether or not you enable cr opping. It enables and disab les cropping, and sets the cr opping area . The default output size is the vide o size that appears in the Di rectShow pin prop erties dialog as the default cho[...]

Osprey 240e/450e Use r Guide ViewCast 61 Pin Select Th is field has three cho ices :  Capture  Preview  Both Reference Size Displays the full uncr o pped size o f the incoming video . This read-only information is det ermined b y settings made on the Input tab and the RefSize tab. Granularity This control helps y ou choose cr o p and outpu[...]

Setting Driver Properties 62 ViewCast The reference width and height represent the full unc ro pped size of the inc oming video. Your crop settings are interpr et ed relative to this refer ence size. For example, if you are capturing 525-line vid eo, with a reference size o f 64 0 x 480, and your cr o p rect angle is (0, 0, 640, 480 ), then your vi[...]

Osprey 240e/450e Use r Guide ViewCast 63 If your Pin Select setting is Captu re , only the Capture granular ity box is enabled; similarly fo r Previ ew. The two small read- o nly edit boxes t o the right of the group show the horizontal an d vertical granularities for the selected color format for the selected pin type. If your Pin Select setting i[...]

Setting Driver Properties 64 ViewCast cropping rectang le. The Right and Botto m boxes set the bo ttom right. The Width and Height boxes set the size of the r ecta ng le. Recalc button The Recalc button re calculates whichever of th e six crop edit boxes you have not filled in . For example, if you set Top , Left , Width , an d Height , Recalc calc[...]

Osprey 240e/450e Use r Guide ViewCast 65 Default Output Size Figure 60 . Default Output Size The standard Direc tShow Pin Prop erties dialog all o ws you to select the height an d width of captured video (Figure 60 ) from a dr o p-down list . The drop-d own list has a particular ran ge of choices that may or may not fit your needs. The drop-down li[...]

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Osprey 240e/450e Use r Guide ViewCast 67 AV Stream driver reference information DirectShow techn ology uses terms with sp ecific meanings, for example, filter, pin , driver, and device . Figure 61 depi cts the relati onship of DirectShow t erms as they apply to Osprey hardware and dri vers. Figure 61 . DirectShow At the bottom of this diagram are o[...]

AVStream Driver Reference Information 68 ViewCast Both devices, filt ers, and pins ma y have associated Pr o perties. Proper ties are con trol parameters that can be read from or written to the component. So m e Prop erty Pages are standard Windows DirectSh o w pages. For example, the Propert y Page for an indi vidual pin is a standard DirectShow p[...]

Osprey 240e/450e Use r Guide ViewCast 69 Post-Processing mod e The Osprey 240e/4 50e driver does more than simply move video fr om t he hard ware to the system . Its Post-Processing facilit y includes a variety of filters, tr ansforms, and renderers wit hin the driver, and supports the SimulStr eam option. Figure 62 depicts the Osprey Post Processi[...]

AVStream Driver Reference Information 70 ViewCast  With SimulStrea m enabled, there can be multiple capture pins and multiple previ ew pins. Each capture and pre v iew p in pair is on a separate fil ter. The maximu m number of each type of pin is the same as the maximu m number of filters you hav e elected t o expose in the SimulStream contr o l[...]

Osprey 240e/450e Use r Guide ViewCast 71 Efficient Vid eo Renderin g The following infor m ation i s primarily useful to developers, but may als o be helpfu l for those wh o want to fine-tune existing applications. If you are seeing poor rendering p erfo rmanc e, in terms of ei ther excessive CPU utiliz ation or jerky, stuttering v ideo, rea d this[...]

AVStream Driver Reference Information 72 ViewCast Preview Pin to VMR7 Figure 65 . Video Mixing R enderer 7 VMR7 is short for Vide o Mixin g Renderer 7 . VMR7 is a newer renderer that is generally much fas ter than the old Video Render er . When the dri ver is running in Direct Mode, V MR7 uses an efficient DirectDraw configuration to rend er with a[...]

Osprey 240e/450e Use r Guide ViewCast 73 Preview Pin to VMR9 Figure 66 . Video Mixing R enderer 9 Video Mixing R enderer 9 is the newest vide o renderin g method and the one on which Microsoft supposedly is basing its future dev elopment . The intent is to combin e the functi onality of the Ov erlay Mixer plus Video Render er in one module that tak[...]

AVStream Driver Reference Information 74 ViewCast[...]

Osprey 240e/450e Use r Guide ViewCast 75 Video standards and si zes Video standard refer s to whether th e v ideo signal format is NTSC, PAL, or SECAM. Depending on the exact product version you have, some or all of the following st andards are available: 525-line formats:  NTSC- M – N orth America  NTSC- J – Japan  625-line formats: P[...]

AVStream Driver Reference Information 76 ViewCast  RGB24 – Each pix el has three bytes (24 bits) of data – on e each for red, green, and blue. This is another “true col o r” mode with 16.7 million col o rs.  RGB555 – Each p ixel has tw o bytes (16 bits) of data. There ar e 5 bits each of red, green, and blue data; the si xteenth bit[...]

Osprey 240e/450e Use r Guide ViewCast 77 Closed captioning (CC) The Osprey AVStrea m driver supports NTSC closed ca ptions in three separate ways.  Through standard D irectShow CC and VBI pin  By rendering cap tions directly o nto video on the c apture or preview pin; the captioned video can be stream ed, written to file, o r rendered dir ect[...]

AVStream Driver Reference Information 78 ViewCast  On the RefSize pr o perty pa ge, in the control gr oup, y ou must sele ct 480-line vide o and the radio button to start v ideo at eith er Lines 23/2 86 or Lines 2 2/285.  On the Captions pr o perty pag e, m ost of the controls relate to the driver’s interna l direct rendering on vide o . Th[...]

Osprey 240e/450e Use r Guide ViewCast 79 CC streaming interface The driver suppor ts an Osprey custom pr o perty which provides the closed cap tion character stream for use by custom ap plications . The Osprey fil ter named C CLineInterp.ax, sup plied with the dri ver package, provides user-mod e support for this cap tio ning mode . The Osprey samp[...]

AVStream Driver Reference Information 80 ViewCast This capability requires custom programming . Refer t o the Osprey AVStream S DK Users’ Gui de . A sample SDK applet named TCApp il lustrates the interface. Figure 69 . Timecode Vide o Marking Timecode stamping must be enabled in the driver before it can b e used, and the field and line nu mber co[...]

Osprey 240e/450e Use r Guide ViewCast 81 Audio driver Setup and control for audio are much simpler than for video. Selecting the audio source and input v olume You set the audio sour ce usin g the Osprey mix er driver in terface. Most app lications, incl uding the Windows Media Enc o der applications, int erface to the mixer driver directly and exp[...]

The Audio Driver 82 ViewCast the list of audio inpu t and output de vices, including one or more Ospre y c ards . When you have chosen the device, click OK , and you will be r eturned to the Recording Control display ( Fi gure 71 ). The Osprey devic e is not a mixer in that it does not allow for mixing the various audio sources. Therefore, when you[...]

Osprey 240e/450e Use r Guide ViewCast 83 Audio prop e rties page Many applications, including Wind ows Media Enc oder, display the illu strated prop erty dialog for setting audio source and volume level . This is a general-purp o se DirectSho w property p age that our dri ver has to support but which is n ot quite intuitive in its operation (Figu r[...]

The Audio Driver 84 ViewCast Audio formats The Osprey hard ware supports sampling of analog au dio at 32, 44.1 and 48 kHz i n 1 6-bit PCM format. Captured audio da ta is down-sampled and reformatt ed if necessary by Microsof t system audio components, all owing an application t o capture audi o data in 8 -bit and 1 6-bit mon o or stereo formats a t[...]

Osprey 240e/450e Use r Guide ViewCast 85 In Dual Mono mode , each au dio device enum erates as two s eparate filters, resp ectivel y for the left and right physical inputs. Th e filters’ names will have L and R suffixe s, for exa mple, Osprey 230 Audio Devic e 1L. These filters behav e for the m ost part like nor mal audio filters. Wh en you use [...]

The Audio Driver 86 ViewCast Audio level This control sets the hardware Input Reference le v el and software-based Boost factor. The settings ar e separate for each inp ut of each de vice, and are app lied to whiche v er input is sel ected in the current application or in th e system mixer. The settin gs displayed do not automaticall y update when [...]

Osprey 240e/450e Use r Guide ViewCast 87 Appendix A : Osprey hardware specifications Osprey 240e Environmental specifications Operating temp erature range 0  to 40  C Non-operating te mperature range - 40  to +75  C Operating humidit y range Between 5 % and 80 % (no n-condensing) @ 40  C Non-operating humidity range 95 % RH (non-cond[...]

Appendix A: Osprey Hard ware Spec ifications 88 ViewCast Figure 75 . Osprey 240e long back plate Figure 76 . Osprey 240e short back plate Figure 77 . PCI Express Bus compliance  PCI Express Bus compliant  Approximate weight is 198 grams[...]

Osprey 240e/450e Use r Guide ViewCast 89 Osprey 450e Figure 78 . Osprey 450e back plate[...]

Appendix A: Osprey Hard ware Spec ifications 90 ViewCast[...]

Osprey 240e/450e Use r Guide ViewCast 91 Appendix B: Osprey 450e audio cable Figure 79 sho ws the male c o nnector on the c able. Figure 79 . 9 pin mini-DIN male Mini-DIN Signal RCA Connectors 1 Channel A Left Channel A Left C enter 2 Channel A Right Channel A Right C enter 3 Channel B Left Channel B Left Center 4 Channel B Right Channel B Right C [...]

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Osprey 240e/450e Use r Guide ViewCast 93 Appendix C : T roubleshooting Color bars on v ideo screen The Osprey 240e/4 50e AV Stream driver has a built-in color bar generat o r. If color bars app ear in your video preview wind ow, video is not present on the selected vid eo input (Figure 80 ). You can adjust or chang e the color bar display, includin[...]

Appendix C: Troubleshoo ting 94 ViewCast Poor video quality at l arge frame sizes Large frame sizes with the deep pixel depth (24- or 32- bit), or complex f o rmat (Y VU9 or YUV12 planar), impose heavy de m ands on the PCI bus’ data tran sfer capacity. Our experience is that some sy stems cannot handle these formats at full fr ame sizes. Systems [...]

Osprey 240e/450e Use r Guide ViewCast 95 previous Vide o for Windows driver, but if you have multiple Ospre y cards installe d you do have the option of runnin g the Video for Wind ows driver on some cards and th e AVStrea m driver on others . Unfortunately the Recording Contr o l does not work s m oothly in this situation . The Video for Windows d[...]

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Osprey 240e/450e Use r Guide ViewCast 97 Index 16:9 Wide, 28 2-Frame Algorith m , 39 3-Frame Algori thm, 39 525-Line (NTSC) V ertical Format, 31 A Accessing the Ospr ey Confi g Utility, 7 ActiveMovie Wind ow, 79 Adaptive Deinterlace window, 39 adjust dialog, 39 Audio Level con trol, 86 Audio properties pag e, 83 Auto, 36 Auto Size check box , 65 Au[...]

Appendix C: Troubleshoo ting 98 ViewCast F File and Color, 56 filtergraph, 72 filters, 13 Filters tab, 32 filters, pins, and pr operties, 67 G Granularity contr ols, 62 H Horizontal Delay, 28 Horizontal Format, 27 I Initial OspreyConfig us er interface, 8 Input Format, 19 Input reference le v el, 86 Input Reference l ev el, 86 Input tab, 14 Input T[...]

Osprey 240e/450e Use r Guide ViewCast 99 R Recalc button, 6 4 Recording Control, 8 1 Reference Size f or Crop and Log o Placement, 30 RefSize tab, 26 Render Logical Whi te As, 52 Render NTSC Clos ed Caption On Video, 52 S Selecting a devic e for config uration, 9 set cropping area, 60 Show [4] filters per d evice, 34 Show Properties for Selected Fi[...]

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