[Asterisk-Dev] Error in Translation

[Syed Amin]

For asterisk-0.4.0 i made an application which merges a wav file with telephonic conversation to have background music while u talking with some one.For this what i did 

1. Set translation paths
        ch1->readformat=AST_FORMAT_SLINEAR;
        ch1->writeformat=ch1->nativeformats;

        ch2->readformat=AST_FORMAT_SLINEAR;
        ch2->writeformat=ch2->nativeformats;

        ch1->pvt->readtrans=ast_translator_build_path(ch1->readformat, ch1->nativeformats);
        ch1->pvt->writetrans=ast_translator_build_path(ch1->nativeformats, ch1->readformat);

        ch2->pvt->writetrans=ast_translator_build_path(ch2->nativeformats, ch1->readformat);
        ch2->pvt->readtrans=ast_translator_build_path(ch2->nativeformats, ch1->readformat);
 2: Then i read frames from both channel using 
fr1=ast_read(ch1)and fr2=ast_read(ch2)
 and get a file from stream like this.
      s1=ast_openstream(ch1,"test2",ch1-> language);
      ast_applystream(ch1,s1);
      fr = ast_readframe(s1);

3:Merges fr1 and fr to fr3 and send it to Ch2 via ast_write(ch2,fr3)
4:Merges fr2 and fr  to fr3 and send it to Ch1 via ast_write(ch1,fr3)

It worked perfectly fine .


But Now with latest CVS it isnt working as i updated my Asterisk after a long time.What i m ahving rite now its garbaged Sound which seems to me "Short Writes".

Any Help that what changes should be made to make it work.

 
Syed Obaid Amin
 



		
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