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webcam: janus plugin

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This commit is contained in:
Maxim Devaev
2026-07-17 17:45:30 +03:00
parent b5e12a8412
commit 6e554e5081
14 changed files with 1264 additions and 142 deletions
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11
python/src/ustreamer.c
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@@ -63,7 +63,7 @@ typedef struct {
static void _MemsinkObject_destroy_internals(_MemsinkObject *self) {
if (self->mem != NULL) {
us_memsink_shared_unmap(self->mem, self->data_size);
us_memsinksh_unmap(self->mem, self->data_size);
self->mem = NULL;
}
US_CLOSE_FD(self->fd);
@@ -94,7 +94,7 @@ static int _MemsinkObject_init(_MemsinkObject *self, PyObject *args, PyObject *k
SET_DOUBLE(drop_same_frames, >= 0);
# undef SET_DOUBLE
if ((self->data_size = us_memsink_calculate_size(self->obj)) == 0) {
if ((self->data_size = us_memsinksh_calculate_size(self->obj)) == 0) {
PyErr_SetString(PyExc_ValueError, "Invalid memsink object suffix");
return -1;
}
@@ -105,7 +105,7 @@ static int _MemsinkObject_init(_MemsinkObject *self, PyObject *args, PyObject *k
PyErr_SetFromErrno(PyExc_OSError);
goto error;
}
if ((self->mem = us_memsink_shared_map(self->fd, self->data_size)) == NULL) {
if ((self->mem = us_memsinksh_map(self->fd, self->data_size)) == NULL) {
PyErr_SetFromErrno(PyExc_OSError);
goto error;
}
@@ -165,6 +165,7 @@ static int _wait_frame(_MemsinkObject *self) {
// Let the sink know that the client is alive
mem->last_client_ts = now_ts;
mem->client_magic = US_MEMSINK_MAGIC;
if (mem->id == self->frame_id) {
goto retry;
@@ -174,7 +175,7 @@ static int _wait_frame(_MemsinkObject *self) {
if (
US_FRAME_COMPARE_GEOMETRY(self->mem, self->frame)
&& (self->frame_ts + self->drop_same_frames > now_ts)
&& !memcmp(self->frame->data, us_memsink_get_data(mem), mem->used)
&& !memcmp(self->frame->data, us_memsinksh_get_data(mem), mem->used)
) {
self->frame_id = mem->id;
goto retry;
@@ -225,7 +226,7 @@ static PyObject *_MemsinkObject_wait_frame(_MemsinkObject *self, PyObject *args,
}
us_memsink_shared_s *mem = self->mem;
us_frame_set_data(self->frame, us_memsink_get_data(mem), mem->used);
us_frame_set_data(self->frame, us_memsinksh_get_data(mem), mem->used);
US_FRAME_COPY_META(self->mem, self->frame);
self->frame_id = mem->id;
self->frame_ts = us_get_now_monotonic();