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5 buffer is needed for irregular sound cards

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git-svn-id: svn+ssh://svn.savannah.nongnu.org/linphone/trunk@407 3f6dc0c8-ddfe-455d-9043-3cd528dc4637
This commit is contained in:
aymeric 2009-04-07 13:02:18 +00:00
parent b76cf6a54e
commit ef11e6c791
1 changed files with 22 additions and 19 deletions
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41
linphone/mediastreamer2/src/speexec.c
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@ -108,26 +108,29 @@ static void speex_ec_process(MSFilter *f){
ms_bufferizer_put(&s->in[0],m);
}
/* make sure we always send block with same size */
while (ms_bufferizer_get_avail(&s->speak_delay)>=nbytes)
if (s->size_delay<s->playback_delay)
{
om0=allocb(nbytes,0);
ms_bufferizer_read(&s->speak_delay,(uint8_t*)om0->b_wptr,nbytes);
om0->b_wptr+=nbytes;
ms_queue_put(f->outputs[0],om0);
}
/* make sure we always send block with same size */
while (ms_bufferizer_get_avail(&s->speak_delay)>=nbytes)
{
om0=allocb(nbytes,0);
ms_bufferizer_read(&s->speak_delay,(uint8_t*)om0->b_wptr,nbytes);
om0->b_wptr+=nbytes;
ms_queue_put(f->outputs[0],om0);
}
/* make sure we always send block with same size */
ms_bufferizer_put_from_queue(&s->in[1],f->inputs[1]);
while (ms_bufferizer_get_avail(&s->in[1])>=nbytes)
{
om0=allocb(nbytes,0);
ms_bufferizer_read(&s->in[1],(uint8_t*)om0->b_wptr,nbytes);
om0->b_wptr+=nbytes;
ms_queue_put(f->outputs[1],om0);
/* make sure we always send block with same size */
ms_bufferizer_put_from_queue(&s->in[1],f->inputs[1]);
while (ms_bufferizer_get_avail(&s->in[1])>=nbytes)
{
om0=allocb(nbytes,0);
ms_bufferizer_read(&s->in[1],(uint8_t*)om0->b_wptr,nbytes);
om0->b_wptr+=nbytes;
ms_queue_put(f->outputs[1],om0);
}
/* we are now equal and speaker is delayed */
return;
}
/* we are now equal and speaker is delayed */
return;
}
ms_bufferizer_put_from_queue(&s->in[1],f->inputs[1]);
@ -181,7 +184,7 @@ static void speex_ec_process(MSFilter *f){
freeb(om0);
}
if (ms_bufferizer_get_avail(&s->speak_delay)> 4*320*(s->samplerate/8000)) /* above 4*20ms -> useless */
if (ms_bufferizer_get_avail(&s->speak_delay)> 5*320*(s->samplerate/8000)) /* above 4*20ms -> useless */
{
/* reset evrything */
ms_warning("speexec: -reset of echo canceller- in0=%i, in1=%i",ms_bufferizer_get_avail(&s->in[0]),ms_bufferizer_get_avail(&s->in[1]));
@ -195,7 +198,7 @@ static void speex_ec_process(MSFilter *f){
speex_echo_state_reset(s->ecstate);
}
while (ms_bufferizer_get_avail(&s->in[1])> 4*320*(s->samplerate/8000)){
while (ms_bufferizer_get_avail(&s->in[1])> 5*320*(s->samplerate/8000)){
om1=allocb(nbytes,0);
ms_bufferizer_read(&s->in[1],(uint8_t*)om1->b_wptr,nbytes);
om1->b_wptr+=nbytes;