Re: V4l2 state transition
Nicolas, On 8 December 2014 at 22:31, Nicolas Dufresne nicolas.dufre...@collabora.com wrote: Le 2014-12-08 09:29, Nicolas Dufresne a écrit : Le 2014-12-08 00:19, Bin Chen a écrit : Can anyone comment is following state transition diagram for V4l2 user space program make sense? Do you see any issues if we were to enforce this constraint? I think you should request some buffers before streamon. If in capture, you should also queue the minimum amount of buffers. I forgot, setting input and format isn't strictly required. Driver should have decent default configured. Thanks for all the explaining. Nicolas -- Regards, Bin -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: V4l2 state transition
Le 2014-12-08 00:19, Bin Chen a écrit : Can anyone comment is following state transition diagram for V4l2 user space program make sense? Do you see any issues if we were to enforce this constraint? I think you should request some buffers before streamon. If in capture, you should also queue the minimum amount of buffers. Nicolas -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: V4l2 state transition
Le 2014-12-08 09:29, Nicolas Dufresne a écrit : Le 2014-12-08 00:19, Bin Chen a écrit : Can anyone comment is following state transition diagram for V4l2 user space program make sense? Do you see any issues if we were to enforce this constraint? I think you should request some buffers before streamon. If in capture, you should also queue the minimum amount of buffers. I forgot, setting input and format isn't strictly required. Driver should have decent default configured. Nicolas -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
V4l2 state transition
Hi, Can anyone comment is following state transition diagram for V4l2 user space program make sense? Do you see any issues if we were to enforce this constraint? Sorry for not being able to paste the ascii diagram correctly in gmail. So please check following link to view the diagram. http://pastebin.com/nZNh6uF0 Thanks. -- Regards, Bin -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
