Microsoft KB Archive/156854

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BUG: Windows NT Version 4.0 Bug List - Multimedia

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Q156854

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The information in this article applies to:


 * Microsoft Windows NT Server version 4.0
 * Microsoft Windows NT Workstation version 4.0

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SUMMARY
This article lists the bugs in the implementation of the Win32 API on Windows NT 4.0 that may be relevant to Application or Device Driver developers (ISVs or IHVs). This article contains only those bugs that were known at the time of the Windows NT 4.0 release.

MORE INFORMATION
mplay32: When playing movies double original size, they sometimes come up 4X size. MPLAY32: Movies playing full screen are choppy and out of synch. Sndvol32: Scroll bar area is gets wider, but no controls appear. mplay32: IR32 compressed movies don't play or are very choppy on MIPS Multimedia: External Midi device incorrectly reported as previous midi contained in registry entry. mmsys.cpl: After installing new sound card, external midi port is missing. Turning off left/right audio channel via MCI has no effect. Seeking to track 0 fails in MCI. Soundblaster MIDI ports fail to work. Using DIB_PAL_INDICES in DrawDib fails to draw occassionally. Volume Control: SNDBLST driver is missing PC speaker functionality. Sound Recorder : Windows Sound System left channel plays back on both channels. SB AWE 32: Model 2760: When you Power off Machine and boot back up Midi stops working. Adding MIDI support to PPC results in application error. Attempting to add Midi Synthesizer on PPC results in driver error. SNDVOL32 : When seleceted from task bar during .wav play -- .wav stops playing. When no audio drivers are loaded, "Remove" button should be greyed out. When making api call(Sequencer Play Element using auto opened commands (old)) Blue Screens NT. Uninstall and Add WSS without reboot causes "An unexpected error has occurred" dialog. DSound: Event handle leak arises in stress test. Duel: fails if you alt-tab out during the protocol screen on ALL platforms. SndRec32: Saves to different locations, depending on how you open. PPC Audio: After using audio for several hours, it stops working until a reboot. Media Player fails to finish playback, close certain AVI files in full screen. Sndvol32: When debugging, it produces heap errors on loading application. PSS: Volume control/options: Only most recent radio button is updated on OK, not ones selected earlier. Ctrl-alt-del followed by ESC can alter GDI resolution without informing app. DirectDrawCreate fails after creating the object via COM. mmsys.cpl: "User" attempt to add new (midi) instrument seems to work, but doesn't.

\* 50447 MMSYS.CPL: Adding New Instrument results in deselection of the former Single Instrument AVI calls fault when OLE not loaded. IDirectDraw::SetDisplayMode(minus Refresh parm) makes screen flash if refresh rate not the default. Media Class Installer: No midi device selected when pnp sound installed. DirectX -- Res Change -- Tracking Number 1ZJN. Volume Control: Properties: Slider shrinks with toggling between Recording and Other options. If more than one mplay32 OLE object in Word6.0, icon changes to gray box when played. Volume Control: Recording control: Microphone deselection fails on WSS. Volume Control: Wave Level Indicator not functioning on MIPS. MMT2: Mighty Morphin Power Rangers: bad on PPC. Cdplayer.exe: music plays after closing on MIPS. Volume Control: Advanced controls: NT/Win95 Auto Gain Control naming discrepancy. MMT2:-r MAYOHealth Clinic CD runs in too small of a window (MIPS only). MMT2: Simpsons Screen Saver has wrong colors on Alpha only. MMT1: MS Julia stops playing sound when clicking on volume control icon on taskbar. MSJULIA CDPlayer "Blue Screens" when cd is ejected during playback. MMT2: app locks up when taskswitch performed or Start button clicked. (RR2DELUXE) CD Player Eject button doesn't function correctly. DDRAW: GetEntries behavior on NT different from Win95. Non_ss: Volume Control: The Label for PAS 16 - Cd-Rom Control is incorrect. CD player: drag and drop tracks from multiple cd's doesn't error, but only plays 1 track. Shutdown hang pointing to Battery meter. Ugly mute icon for System Tray Volume Control in NT 4.0 beta1. MMT2:r Daedalus Encounter 1.1 volume on wave output adjust by itself. DAEDALUS11 Sndvol32: Microphone option appears in playback options with SB16 soundcard. MVAUDIO PAS : When launching midi & .wav at same time .wav hangs until midi is done. When IE2.0 copies image to clipboard, colors are degraded. MCIAVI32 asserted when copying and playing file. DDRAW: SetDisplayMode fails when mutiple Exclusive Mode apps start simultaneously. VU meter shows full sound output regardless of volume setting. Volume control icon doesn't show on task bar. Quartz\ActiveMovie MCI command missing DDRAW: DDEX3 crashes if color depth is greater than 256. MSACMMAP: Doesn't track current user's preferred sound card. Media Player fails to recognize CDA cd-audio track file extension. mmt132: Music won't shut off for Bodyworks 5.0 when app is shut down. (BODYWORKS50) Multimedia tree property buttons is enabled but does not do anything. MMT2: Quantum Gate - Response phrases out of boxes -- (Quantumgt) Volume control application listbox loses contents in switching from Playback to Record to Playback. Control Panel:Multi Media: devices: MCI Microsoft Video for Windows: Handle leak (2) in settings. WINMM.DLL has 1992 copyright mplay32: Dragging a window in front of paused movie (uncompressed) causes it to play. Tooltip missing from task-tray when maximized. Tooltip is empty when paused. MMT2:-r TREASCOVECD GPFs on startup. MMT2:-r OUTPOST CD locks up system. MMT2: TurboTax: setup error (TURBOTAXMM) Taskbar: tcm stays on task bar after closed. Volume Control: There is a naming discrepancy in the naming of the MIDI control between NT and Win95. Volume Control: Speaker Balance: Speaker icons slightly off of allignment. Volume Control: inconsistency in component slider selection boxes. MMT2: Crayola Art Studio: can't play videos from Start menu. (CARTSTUDF) MMT2: Alistair and the Alien Invasion CD app causes black screen/hang. (ALISTAIRAI) MMT2: MEDIOMAG1 has choppy video and some sound is missing. MMT2: Pagemaster CD animation is choppy, skips frames. MMT2: MAPNGO GPF's in setup, can't find control.ini. MMT2: Harry and the Haunted House install doesn't create program group. (LBHHH) MMT2: Simpsons Screen Saver: DOS monitor not loaded error. (SIMPSONSSS) MMT2: MediaBlitz 3.0 Bitmap Editor changes colors to red when Undo is selected. Feature: Media Vision Thunderboard is listed as a SoundBlaster in Multimedia Audio tab. MPLAY32: Cannot change CD-ROM drive when playing CD Audio. DDRAW: CreateSurface fails if another app takes exclusive control of the display. Analog joystick won't work on NT. Alert when activating animation/media clip ole object after paste special.

Additional query words:

Keywords : kbList kbOSWinNT400bug kbSDKPlatform kbSDKWin32

Issue type : kbbug

Technology : kbWinNTsearch kbWinNTWsearch kbWinNTW400 kbWinNTW400search kbWinNT400xsearch kbWinNTSsearch kbWinNTS400xsearch kbWinNTS400