On 04/20/2015 10:28 AM, Philipp Zabel wrote:
> From: Peter Seiderer <ps.report@xxxxxxx>
>
> 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@xxxxxxx>
> Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
Acked-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
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
>
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