Without this stopping the pool in *_set_caps() is useless.
S_FMT will still fail with EBUSY.
https://bugzilla.gnome.org/show_bug.cgi?id=699835
g_free (pool->buffers);
pool->buffers = NULL;
+ if (pool->num_buffers > 0) {
+ struct v4l2_requestbuffers breq;
+ memset (&breq, 0, sizeof (struct v4l2_requestbuffers));
+ breq.type = obj->type;
+ breq.count = 0;
+ breq.memory = V4L2_MEMORY_MMAP;
+ if (v4l2_ioctl (pool->video_fd, VIDIOC_REQBUFS, &breq) < 0) {
+ GST_ERROR_OBJECT (pool, "error releasing buffers: %s",
+ g_strerror (errno));
+ }
+ pool->num_buffers = 0;
+ }
+
return ret;
/* ERRORS */