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Diffstat (limited to 'main/dsp.c')
-rw-r--r--main/dsp.c33
1 files changed, 3 insertions, 30 deletions
diff --git a/main/dsp.c b/main/dsp.c
index 83a6dd79b..585403786 100644
--- a/main/dsp.c
+++ b/main/dsp.c
@@ -391,7 +391,6 @@ struct ast_dsp {
digit_detect_state_t digit_state;
tone_detect_state_t cng_tone_state;
tone_detect_state_t ced_tone_state;
- int destroy;
};
static void mute_fragment(struct ast_dsp *dsp, fragment_t *fragment)
@@ -1350,8 +1349,7 @@ 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;
@@ -1360,8 +1358,7 @@ struct ast_frame *ast_dsp_process(struct ast_channel *chan, struct ast_dsp *dsp,
dsp->f.subclass = AST_CONTROL_BUSY;
ast_frfree(af);
ast_debug(1, "Requesting Hangup because the busy tone was detected on channel %s\n", chan->name);
- ast_set_flag(&dsp->f, AST_FRFLAG_FROM_DSP);
- return &dsp->f;
+ return ast_frisolate(&dsp->f);
}
if ((dsp->features & DSP_FEATURE_FAX_DETECT)) {
@@ -1471,8 +1468,7 @@ done:
ast_queue_frame(chan, af);
}
ast_frfree(af);
- ast_set_flag(outf, AST_FRFLAG_FROM_DSP);
- return outf;
+ return ast_frisolate(outf);
} else {
return af;
}
@@ -1522,16 +1518,6 @@ 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. */
-
- dsp->destroy = 1;
-
- return;
- }
ast_free(dsp);
}
@@ -1697,16 +1683,3 @@ int ast_dsp_reload(void)
return _dsp_init(1);
}
-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->destroy)
- return;
-
- ast_dsp_free(dsp);
-}