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request keyframe via sink

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This commit is contained in:
Maxim Devaev
2022-10-31 19:42:55 +03:00
parent 40be0c20e2
commit 983796e952
12 changed files with 62 additions and 14 deletions
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13
python/src/ustreamer.c
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@@ -181,12 +181,18 @@ static int _wait_frame(_MemsinkObject *self) {
return -2;
}
static PyObject *_MemsinkObject_wait_frame(_MemsinkObject *self, PyObject *Py_UNUSED(ignored)) {
static PyObject *_MemsinkObject_wait_frame(_MemsinkObject *self, PyObject *args, PyObject *kwargs) {
if (self->mem == NULL || self->fd <= 0) {
PyErr_SetString(PyExc_RuntimeError, "Closed");
return NULL;
}
bool key_required = false;
static char *kws[] = {"key_required", NULL};
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|p", kws, &key_required)) {
return NULL;
}
switch (_wait_frame(self)) {
case 0: break;
case -2: Py_RETURN_NONE;
@@ -198,6 +204,9 @@ static PyObject *_MemsinkObject_wait_frame(_MemsinkObject *self, PyObject *Py_UN
self->frame_id = _MEM(id);
self->frame_ts = us_get_now_monotonic();
_MEM(last_client_ts) = self->frame_ts;
if (key_required) {
_MEM(key_requested) = true;
}
if (flock(self->fd, LOCK_UN) < 0) {
return PyErr_SetFromErrno(PyExc_OSError);
@@ -260,7 +269,7 @@ static PyMethodDef _MemsinkObject_methods[] = {
ADD_METHOD("close", close, METH_NOARGS),
ADD_METHOD("__enter__", enter, METH_NOARGS),
ADD_METHOD("__exit__", exit, METH_VARARGS),
ADD_METHOD("wait_frame", wait_frame, METH_NOARGS),
ADD_METHOD("wait_frame", wait_frame, METH_VARARGS | METH_KEYWORDS),
ADD_METHOD("is_opened", is_opened, METH_NOARGS),
{},
# undef ADD_METHOD