diff --git a/sys/v4l2/gstv4l2bufferpool.c b/sys/v4l2/gstv4l2bufferpool.c index 0679ea3bfb..65d1a5c575 100644 --- a/sys/v4l2/gstv4l2bufferpool.c +++ b/sys/v4l2/gstv4l2bufferpool.c @@ -305,6 +305,17 @@ gst_v4l2_buffer_pool_set_config (GstBufferPool * bpool, GstStructure * config) else num_buffers = max_buffers; + /* Free the buffers from the kernel */ + GST_DEBUG_OBJECT (pool, "Freeing the buffers from the kernel"); + + 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) + goto reqbufs_failed; + /* first, lets request buffers, and see how many we can get: */ GST_DEBUG_OBJECT (pool, "starting, requesting %d MMAP buffers", num_buffers);