Isolate frames returned from a DSP instance or codec translator.

The reasoning for these changes are the same as what I wrote in the commit
message for rev 222878.


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@224931 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2009-10-21 02:59:54 +00:00
parent 0db2d51ac1
commit 9d65850202
7 changed files with 12 additions and 123 deletions

View File

@@ -1486,8 +1486,7 @@ struct ast_frame *ast_dsp_process(struct ast_channel *chan, struct ast_dsp *dsp,
memset(&dsp->f, 0, sizeof(dsp->f));
dsp->f.frametype = AST_FRAME_NULL;
ast_frfree(af);
ast_set_flag(&dsp->f, AST_FRFLAG_FROM_DSP);
return &dsp->f;
return ast_frisolate(&dsp->f);
}
if ((dsp->features & DSP_FEATURE_BUSY_DETECT) && ast_dsp_busydetect(dsp)) {
chan->_softhangup |= AST_SOFTHANGUP_DEV;
@@ -1495,8 +1494,7 @@ struct ast_frame *ast_dsp_process(struct ast_channel *chan, struct ast_dsp *dsp,
dsp->f.frametype = AST_FRAME_CONTROL;
dsp->f.subclass = AST_CONTROL_BUSY;
ast_frfree(af);
ast_set_flag(&dsp->f, AST_FRFLAG_FROM_DSP);
return &dsp->f;
return ast_frisolate(&dsp->f);
}
if ((dsp->features & DSP_FEATURE_DTMF_DETECT)) {
digit = __ast_dsp_digitdetect(dsp, shortdata, len, &writeback);
@@ -1517,8 +1515,7 @@ struct ast_frame *ast_dsp_process(struct ast_channel *chan, struct ast_dsp *dsp,
if (chan)
ast_queue_frame(chan, af);
ast_frfree(af);
ast_set_flag(&dsp->f, AST_FRFLAG_FROM_DSP);
return &dsp->f;
return ast_frisolate(&dsp->f);
}
} else {
if (digit) {
@@ -1544,8 +1541,7 @@ struct ast_frame *ast_dsp_process(struct ast_channel *chan, struct ast_dsp *dsp,
ast_queue_frame(chan, af);
ast_frfree(af);
}
ast_set_flag(&dsp->f, AST_FRFLAG_FROM_DSP);
return &dsp->f;
return ast_frisolate(&dsp->f);
} else {
memset(&dsp->f, 0, sizeof(dsp->f));
if (dsp->thinkdigit != 'x') {
@@ -1562,8 +1558,7 @@ struct ast_frame *ast_dsp_process(struct ast_channel *chan, struct ast_dsp *dsp,
if (chan)
ast_queue_frame(chan, af);
ast_frfree(af);
ast_set_flag(&dsp->f, AST_FRFLAG_FROM_DSP);
return &dsp->f;
return ast_frisolate(&dsp->f);
}
}
} else if (!digit) {
@@ -1579,8 +1574,7 @@ struct ast_frame *ast_dsp_process(struct ast_channel *chan, struct ast_dsp *dsp,
if (chan)
ast_queue_frame(chan, af);
ast_frfree(af);
ast_set_flag(&dsp->f, AST_FRFLAG_FROM_DSP);
return &dsp->f;
return ast_frisolate(&dsp->f);
}
} else {
if (dsp->td.dtmf.current_digits) {
@@ -1593,8 +1587,7 @@ struct ast_frame *ast_dsp_process(struct ast_channel *chan, struct ast_dsp *dsp,
if (chan)
ast_queue_frame(chan, af);
ast_frfree(af);
ast_set_flag(&dsp->f, AST_FRFLAG_FROM_DSP);
return &dsp->f;
return ast_frisolate(&dsp->f);
}
}
}
@@ -1664,17 +1657,6 @@ void ast_dsp_set_features(struct ast_dsp *dsp, int features)
void ast_dsp_free(struct ast_dsp *dsp)
{
if (ast_test_flag(&dsp->f, AST_FRFLAG_FROM_DSP)) {
/* If this flag is still set, that means that the dsp's destruction
* been torn down, while we still have a frame out there being used.
* When ast_frfree() gets called on that frame, this ast_trans_pvt
* will get destroyed, too. */
/* Set the magic hint that this has been requested to be destroyed. */
dsp->freqcount = -1;
return;
}
free(dsp);
}
@@ -1803,17 +1785,3 @@ int ast_dsp_get_tcount(struct ast_dsp *dsp)
{
return dsp->tcount;
}
void ast_dsp_frame_freed(struct ast_frame *fr)
{
struct ast_dsp *dsp;
ast_clear_flag(fr, AST_FRFLAG_FROM_DSP);
dsp = (struct ast_dsp *) (((char *) fr) - offsetof(struct ast_dsp, f));
if (dsp->freqcount != -1)
return;
ast_dsp_free(dsp);
}