Re: [PATCH v5 2/5] [media] videodev2: Add V4L2_BUF_FLAG_LAST

[Hans Verkuil <hverkuil@xs4all.nl>]

On 04/20/2015 10:28 AM, Philipp Zabel wrote:
> From: Peter Seiderer <ps.report@gmx.net>
> 
> This v4l2_buffer flag can be used by drivers to mark a capture buffer
> as the last generated buffer, for example after a V4L2_DEC_CMD_STOP
> command was issued.
> 
> Signed-off-by: Peter Seiderer <ps.report@gmx.net>
> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>

Acked-by: Hans Verkuil <hans.verkuil@cisco.com>

Thanks!

	Hans

> ---
> Changes since v4:
>  - Split out DocBook changes into a separate patch.
> ---
>  include/trace/events/v4l2.h    | 3 ++-
>  include/uapi/linux/videodev2.h | 2 ++
>  2 files changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/include/trace/events/v4l2.h b/include/trace/events/v4l2.h
> index b9bb1f2..32c33aa 100644
> --- a/include/trace/events/v4l2.h
> +++ b/include/trace/events/v4l2.h
> @@ -58,7 +58,8 @@
>  		{ V4L2_BUF_FLAG_TIMESTAMP_MASK,	     "TIMESTAMP_MASK" },      \
>  		{ V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN,   "TIMESTAMP_UNKNOWN" },   \
>  		{ V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC, "TIMESTAMP_MONOTONIC" }, \
> -		{ V4L2_BUF_FLAG_TIMESTAMP_COPY,	     "TIMESTAMP_COPY" })
> +		{ V4L2_BUF_FLAG_TIMESTAMP_COPY,	     "TIMESTAMP_COPY" },      \
> +		{ V4L2_BUF_FLAG_LAST,                "LAST" })
>  
>  #define show_timecode_flags(flags)					  \
>  	__print_flags(flags, "|",					  \
> diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
> index fbdc360..c642c10 100644
> --- a/include/uapi/linux/videodev2.h
> +++ b/include/uapi/linux/videodev2.h
> @@ -809,6 +809,8 @@ struct v4l2_buffer {
>  #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK		0x00070000
>  #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF		0x00000000
>  #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE		0x00010000
> +/* mem2mem encoder/decoder */
> +#define V4L2_BUF_FLAG_LAST			0x00100000
>  
>  /**
>   * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
>