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[mpp_dec]: Optimize mpp_dec condition wait

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Optimize mpp_dec parser thread wait mechanism to reduce cpu overload.

1. Add mpp signal notify flag
2. Add mpp_dec wait status flag
3. Compare the notify flag with wait status flag. When there wait
condition is fulfilled then signal parser thread to process.

This will greatly reduce cpu overload by block wake up with no sense.

Change-Id: I38da718e80d0487e0300e807bc87cdb1aa070471
Signed-off-by: Herman Chen <herman.chen@rock-chips.com>
This commit is contained in:
Herman Chen
2018-07-02 10:19:47 +08:00
parent 0a78fb7102
commit 66ff6456b2
20 changed files with 250 additions and 132 deletions
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18
mpp/base/mpp_buffer_impl.cpp
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@@ -328,10 +328,8 @@ MPP_RET mpp_buffer_create(const char *tag, const char *caller,
*buffer = p;
}
if (group->listener) {
MppThread *thread = (MppThread *)group->listener;
thread->signal();
}
if (group->callback)
group->callback(group->arg, group);
RET:
MPP_BUF_FUNCTION_LEAVE();
return ret;
@@ -402,10 +400,8 @@ MPP_RET mpp_buffer_ref_dec(MppBufferImpl *buffer, const char* caller)
}
}
group->count_used--;
if (group->listener) {
MppThread *thread = (MppThread *)group->listener;
thread->signal();
}
if (group->callback)
group->callback(group->arg, group);
}
}
@@ -513,7 +509,8 @@ MPP_RET mpp_buffer_group_reset(MppBufferGroupImpl *p)
return MPP_OK;
}
MPP_RET mpp_buffer_group_set_listener(MppBufferGroupImpl *p, void *listener)
MPP_RET mpp_buffer_group_set_callback(MppBufferGroupImpl *p,
MppBufCallback callback, void *arg)
{
AutoMutex auto_lock(MppBufferService::get_lock());
if (NULL == p) {
@@ -523,7 +520,8 @@ MPP_RET mpp_buffer_group_set_listener(MppBufferGroupImpl *p, void *listener)
MPP_BUF_FUNCTION_ENTER();
p->listener = listener;
p->callback = callback;
p->arg = arg;
MPP_BUF_FUNCTION_LEAVE();
return MPP_OK;