diff options
| -rw-r--r-- | sys/v4l2/gstv4l2bufferpool.c | 7 | ||||
| -rw-r--r-- | sys/v4l2/gstv4l2bufferpool.h | 1 |
2 files changed, 6 insertions, 2 deletions
diff --git a/sys/v4l2/gstv4l2bufferpool.c b/sys/v4l2/gstv4l2bufferpool.c index d7fa9fa2e..49f222b6e 100644 --- a/sys/v4l2/gstv4l2bufferpool.c +++ b/sys/v4l2/gstv4l2bufferpool.c @@ -650,12 +650,14 @@ gst_v4l2_buffer_pool_streamon (GstV4l2BufferPool * pool) case GST_V4L2_IO_DMABUF: case GST_V4L2_IO_DMABUF_IMPORT: if (!V4L2_TYPE_IS_OUTPUT (pool->obj->type)) { + guint i; + /* For captures, we need to enqueue buffers before we start streaming, * so the driver don't underflow immediatly. As we have put then back * into the base class queue, resurrect them, then releasing will queue * them back. */ - while (gst_v4l2_buffer_pool_resurrect_buffer (pool) == GST_FLOW_OK) - continue; + for (i = 0; i < pool->num_allocated; i++) + gst_v4l2_buffer_pool_resurrect_buffer (pool); } if (obj->ioctl (pool->video_fd, VIDIOC_STREAMON, &obj->type) < 0) @@ -791,6 +793,7 @@ gst_v4l2_buffer_pool_start (GstBufferPool * bpool) count = gst_v4l2_allocator_start (pool->vallocator, min_buffers, V4L2_MEMORY_MMAP); + pool->num_allocated = count; if (count < GST_V4L2_MIN_BUFFERS) { min_buffers = count; diff --git a/sys/v4l2/gstv4l2bufferpool.h b/sys/v4l2/gstv4l2bufferpool.h index 285703cdb..bf0625d38 100644 --- a/sys/v4l2/gstv4l2bufferpool.h +++ b/sys/v4l2/gstv4l2bufferpool.h @@ -79,6 +79,7 @@ struct _GstV4l2BufferPool guint min_latency; /* number of buffers we will hold */ guint max_latency; /* number of buffers we can hold */ guint num_queued; /* number of buffers queued in the driver */ + guint num_allocated; /* number of buffers allocated */ guint copy_threshold; /* when our pool runs lower, start handing out copies */ gboolean streaming; |