Re: [v4l-utils PATCH 3/6] v4l2-ctl: test the excpetion fds first in streaming_set_m2m

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On 01/20/2019 12:15 PM, Dafna Hirschfeld wrote:
> test the excpetion fds first in the select loop

excpetion -> exception

> in streaming_set_m2m. This is needed in the next patch
> in order to dequeue a source change event before its
> coresponding last buffer.

coresponding -> corresponding

But besides those typos, I don't think this patch is needed at
all. See my comments for patch 5/6 for more info.

Regards,

	Hans

> 
> Signed-off-by: Dafna Hirschfeld <dafna3@xxxxxxxxx>
> ---
>  utils/v4l2-ctl/v4l2-ctl-streaming.cpp | 26 +++++++++++++-------------
>  1 file changed, 13 insertions(+), 13 deletions(-)
> 
> diff --git a/utils/v4l2-ctl/v4l2-ctl-streaming.cpp b/utils/v4l2-ctl/v4l2-ctl-streaming.cpp
> index 3e81fdfc..fc204304 100644
> --- a/utils/v4l2-ctl/v4l2-ctl-streaming.cpp
> +++ b/utils/v4l2-ctl/v4l2-ctl-streaming.cpp
> @@ -1953,6 +1953,19 @@ static void streaming_set_m2m(cv4l_fd &fd)
>  			goto done;
>  		}
>  
> +		if (ex_fds && FD_ISSET(fd.g_fd(), ex_fds)) {
> +			struct v4l2_event ev;
> +
> +			while (!fd.dqevent(ev)) {
> +				if (ev.type != V4L2_EVENT_EOS)
> +					continue;
> +				wr_fds = NULL;
> +				fprintf(stderr, "EOS");
> +				fflush(stderr);
> +				break;
> +			}
> +		}
> +
>  		if (rd_fds && FD_ISSET(fd.g_fd(), rd_fds)) {
>  			r = do_handle_cap(fd, in, file[CAP], NULL,
>  					  count[CAP], fps_ts[CAP]);
> @@ -1990,19 +2003,6 @@ static void streaming_set_m2m(cv4l_fd &fd)
>  				}
>  			}
>  		}
> -
> -		if (ex_fds && FD_ISSET(fd.g_fd(), ex_fds)) {
> -			struct v4l2_event ev;
> -
> -			while (!fd.dqevent(ev)) {
> -				if (ev.type != V4L2_EVENT_EOS)
> -					continue;
> -				wr_fds = NULL;
> -				fprintf(stderr, "EOS");
> -				fflush(stderr);
> -				break;
> -			}
> -		}
>  	}
>  
>  	fcntl(fd.g_fd(), F_SETFL, fd_flags);
> 




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