Problems loading mp3s with MCI

This is a discussion on Problems loading mp3s with MCI within the Windows Programming forums, part of the Platform Specific Boards category; Hello long time no see guys Anyway im having trouble loading mp3 files with MCI Im doing this std::string szCommand ...

  1. #1
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    Problems loading mp3s with MCI

    Hello long time no see guys

    Anyway im having trouble loading mp3 files with MCI

    Im doing this

    std::string szCommand = "open \"test.mp3\" type mpegvideo alias test";

    mciSendString(szCommand.c_str(), NULL, 0, 0)

    It keep returning 266 and it does not know what that error code it when I do the lookup mci error code check thing.

    I have absolutely no problems loading and playing wav files with almost identical code.

    I have MSVC2005 and vista ultimate 64 bit.

    Any clue whats wrong? I just want to play some mp3s without much hassle

  2. #2
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    Code:
    std::string szCommand = "open \"test.mp3\" type mpegvideo alias test.mp3";
    http://www.google.com/search?q=MCI+mp3&btnI

  3. #3
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    Yep thats basically the code I cant get to work, it sucks!

    Vista issue maybe? I just dont get it

    Anyone know any quick easy ways to play mp3s maybe using other methods like directx or something?

  4. #4
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    did you try it with the .mp3 at the end?

  5. #5
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    Oh sorry, ya i just did try and it didnt work.

    From what i understand from how it works that part isnt actually part of the filename. Had to go to a few diff sites before thought i understood the mciSendString() message stuff

    This code works fine for playing waves and returns 0:


    std::string szCommand = "open \"hurtdog.wav\" type waveaudio alias test";

    allegro_message("%d", mciSendString(szCommand.c_str(), NULL, 0, 0));

    std::string szCommand2 = "play test from 0";
    mciSendString(szCommand2.c_str(), NULL, 0, 0);

    Weird or maybe not? I am very new to windows coding

  6. #6
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    so this code says "Unknown error edf"?

    Code:
    std::string szCommand = "open \"test.mp3\" type mpegvideo alias test.mp3";
    
    BOOL error = mciSendString(szCommand.c_str(), NULL, 0, 0);
    TCHAR buf[256];
    
    mciGetErrorString(error, buf, 256);
    MessageBox(NULL, error?buf:_T("Unknown error edf"), _T("Title"), MB_OK);
    Last edited by robwhit; 07-30-2007 at 05:06 PM. Reason: removing unused code

  7. #7
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    "An unknown problem while loading the specified device driver"

    Dont use the exact same message box code stuff as you but thats the message I get back from mciGetErrorString()

  8. #8
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    Does the gamedev site lie and it is not possible to play mp3s this way? Anyone know or done it this way before?

    Thanks

  9. #9
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    put this in MP3UsingMCI.cpp:
    Code:
    #include <cstdio>
    #include <cstdlib>
    #include "MCI.h"
    and link with winmm.lib

    I renamed MP3UsingMCI.cpp to MP3.cpp for short filenames.
    Code:
    g++ MP3.cpp -lwinmm
    run:
    Code:
    a test.mp3
    works for me

    but your error says that it's a device driver problem. Did you look in the device manager?
    Last edited by robwhit; 07-31-2007 at 10:53 PM.

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