Am Montag, den 02.02.2015, 15:00 +0100 schrieb Hans Verkuil: > On 01/22/2015 12:28 PM, Philipp Zabel wrote: > > If the last buffer was dequeued from a capture queue, let poll return > > immediately and let DQBUF return -EPIPE to signal there will no more > > buffers to dequeue until STREAMOFF. > > This looks OK to me, although I would like to see comments from others as well. > Of course, this needs to be documented in the spec as well. Thanks, I'll fix that in the next round. > > Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> > > --- > > TODO: (How) should the last_buffer_dequeud flag be cleared in reaction to > > V4L2_DEC_CMD_START? > > I would suggest an inline function in videobuf2-core.h that clears the flag > and that drivers can call. I don't think the vb2 core can detect when it is > OK to clear the flag, it needs to be told by the driver (correct me if I am > wrong). No, I think you are right that this should be done explicitly. I'll add an inline function next time. regards Philipp -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
