You're guessing right. The memory based reader/writer's buffer simply doesn't have WAV header, and that's all there is. cheers, -benny Thomas Plotkowiak wrote: > I am trying to read in a mono wav file and put it into memory, in short. > > The things I am doing now in short are: > > 1. Allocate some buffer space > /* Allocate some memmory for the buffer*/ > int membuffer_size = 1024*8000; > unsigned char *membuffer; > membuffer = new unsigned char[membuffer_size]; > > 2. Init PJ LIb ... > 3. Create a media port from the WAV file > status = pjmedia_wav_player_port_create(.... &file_port...) > > 4. Create a memory capture port > status = pjmedia_mem_capture_create (... > membuffer,membuffer_size,..&mem_port...) > > 5. Create a conference bridge > > 6. Add the mem_port to the conference bridge > status = pjmedia_conf_add_port( ... mem_port...) > > 7. Add the file_port to the conference bridge > status = pjmedia_conf_add_port( ... file_port...) > > 8. Connect the fileport source (2) to memport (1) destination > status = pjmedia_conf_connect_port(conf, 2, 1, 0); > > SO FAR everything works like expected. But now I am trying to read that > memory buffer out with another application. > > BUT here the problem is i simply am not hearing any sound. I have > checked that that the file_port is writing to the memory by > > status = pjmedia_mem_capture_get_size (mem_port); > > which shows an increase in size so a good guess that its not the writing. > > MY Guess is that the wav in memory lacks a RIFF WAV header, I guess it > is only created after i destroy the file_writer, because some > calculations about the length of the wav file etc.. have to be made in > the header. So my question is would it make sense to add a "dummy" > header to make the wav file readable in "realtime"? or are there better > ways? > > Here is the link to the Memory/Buffer Capture Port > http://www.pjsip.org/pjmedia/docs/html/group__PJMEDIA__MEM__CAPTURE.htm > > > Cheers Thomas
