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[media] videodev2: Add V4L2_BUF_FLAG_LAST 

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>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Peter Seiderer 2015-05-04 07:51:05 -03:00 committed by Mauro Carvalho Chehab
parent 8cee396bfa
commit dc19924162
2 changed files with 4 additions and 1 deletions
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3
include/trace/events/v4l2.h
View File

@ -83,7 +83,8 @@ SHOW_FIELD
{ 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, "|", \

2
include/uapi/linux/videodev2.h
View File

@ -810,6 +810,8 @@ 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