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[axisdj]

Cannot get this to work, Looked through out the forum, and all responses explaing how to mix the first two, my issues is how to continue after that:
here is some code (vb6)

here is where I preload the next song

"picknextsong"

if activeplayer = 1 then

If newPlayer1 <> 0 Then
        Call BASS_ChannelStop(newPlayer1)
        Call BASS_StreamFree(newPlayer1)
    End If
    If newPlayer1 = 0 Then
       newPlayer1 = BASS_StreamCreateFile(BASSFALSE, StrPtr(nextSong1), 0, 0, BASS_STREAM_DECODE)
    End If
end if

elseif activepalyer =2 then

If newPlayer2 <> 0 Then
        Call BASS_ChannelStop(newPlayer2)
        Call BASS_StreamFree(newPlayer2)
    End If
    If newPlayer2 = 0 Then
        newPlayer2 = BASS_StreamCreateFile(BASSFALSE, StrPtr(nextSong2), 0, 0, BASS_STREAM_DECODE)
    End If
end if



here is where I start the next song, this works the first two, but after that it gives me error code 5 invalid handle
Startnextsong gets called when 1 second of the currently playign song is reached

"StartnextSong"

if activeplayer = 1 then
If newPlayer2 <> 0 Then
        Call BASS_Mixer_StreamAddChannel(mixer, newPlayer2, BASS_STREAM_AUTOFREE) '' add the 2nd recording
        Call BASS_ChannelPlay(newPlayer2, 0)
        Call BASS_ChannelSetAttribute(newPlayer2, BASS_ATTRIB_VOL, 1)
        Call BASS_ChannelSetSync(newPlayer2, BASS_SYNC_SLIDE, 0, AddressOf newPlayer2FadeOutDone, 0)
        activePlayer = 2
        If newPlayer1 <> 0 Then
            Call BASS_ChannelSlideAttribute(newPlayer1, BASS_ATTRIB_VOL, -100, 1000) '''fade out other song
        End If
    End If
elseif activeplayer = 2 or activeplayer 0 then
    If newPlayer1 <> 0 Then       
        Call BASS_Mixer_StreamAddChannel(mixer, newPlayer1, BASS_STREAM_AUTOFREE) '' add the 2nd recording
        call BASS_ChannelPlay(newPlayer1, 0)       
        Call BASS_ChannelSetAttribute(newPlayer1, BASS_ATTRIB_VOL, 1)
        Call BASS_ChannelSetSync(newPlayer1, BASS_SYNC_SLIDE, 0, AddressOf newPlayer1FadeOutDone, 0)
        activePlayer = 1
        If newPlayer2 <> 0 Then
            Call BASS_ChannelSlideAttribute(newPlayer2, BASS_ATTRIB_VOL, -100, 1000) ''fade out other song
        End If
    End If
end if


in the newPlayer1FadeOutDone and newPlayer2FadeOutDone callback functions I call "picknextsong"

My thought is after a stream is created using BASS_StreamCreateFile can I just change the file it is playing or do I have to create a new instance?

Thanks

[Ian @ un4seen]

Please confirm which function is giving the BASS_ERROR_HANDLE error. The BASS_STREAM_AUTOFREE flag in the BASS_Mixer_StreamAddChannel call tells the mixer to free the stream when it reaches the end, at which point the handle will become invalid and you will get a BASS_ERROR_HANDLE error if you try to do anything with it.

To play one song after another, you would generally use BASS_SYNC_END syncs, which will inform you of when a stream ends (you can then start the next one).

[axisdj]

I figured most of it out,

The callback was crashing the app so I trigger a one shot timer to pick the next song now which works great, I think that was most of the problem.

I just wanted to make sure I was taking the right approach.

Thanks for the response, I appreciate it.