loading dts into avisynth

[actionman133]

hi again,

i'm currently trying to load a dts track into a video using avisynth, yet i am unable to have directshowsource recognise it.

ac3 files are no problem; i use ac3filter and the ac3acm decompressor. i've tried some filters off the net which are supposed to work but with no luck.

can anyone help? assume no knowledge about audio, and assume no software except what i mentioned above (which i calculate to be useless anyway)

thanks

[Wilbert]

Can you play it in graphedit?

[actionman133]

like i said... assume no software. i have installed it on my computer but i am still a new newbie and don't really understand it.

i'll take another cram at it and i'll get results back to you.

thanks

[actionman133]

tried it in graphedit... graphedit wouldn't recognise it.

so i take it i need to download some sort of filter. which ones? i tried so many and none of them worked.

thanks

[Wilbert]

http://forum.doom9.org/showthread.php?s=&threadid=43269

contains a guide which explains what to install in order to play it. I never managed to load it in AviSynth though (sorry forgot about that till reading the DirectShowSource docs). If anyone else has I like to know :)

[actionman133]

thanks, i downloaded and installed dtssource, iviaudio and avi2ac3dts using regsvr32.

the dts now loads in graphedit but there isn't any sound when i play it in graphedit, media player or avisynth.

ive played dts in powerdvd before, so i know my computer CAN play it. what am i missing? or has no one ever loaded dts into avisynth?

[Krismen]

Avs script:

LoadPlugin("directshowsource.dll")

v=AviSource("video_track.avi")

a=DirectShowSource("dts_source.grf", video=false)

AudioDub(v,a)


dts_source.grf:

DTS/AC3 Source --> AC3Filter


Be sure to check DTS in AC3Filter System tab and set output to 2/0 - stereo. It dosen't work when output is 5.1.

[actionman133]

thanks krismen! it works beautifully now!

i now have a fully functional avisynth dvd player (after demuxing and indexing of course), with a lot of thanks to you!

[actionman133]

i actually have another issue now. in the older versions of avisynth, i used to play around with the matrix to get different downmixes (since i only have a 2.1 system). i had a full downmix, surround only, centre channel only, etc etc.

these worked perfectly in the older versions with ac3s, but now in the new release, centre channel doesn't work anymore. it plays back silent audio. if i incorporate other channels, then i can hear the centre channel, but not when it's on its own. this applies to both dts and ac3 tracks.

any help would be appreciated...

ps. about dts playback in avisynth, i discovered a simpler method. all you need is dtssource.ax registered and dts support in ac3filter. there is no need to save a graph in graphedit. the other .ax filters are not necessary for playback.