lp:libv4l

Created by libv4l on 2010-07-13 and last modified on 2019-04-18
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Owner:
libv4l
Project:
libv4l v4l-utils
Status:
Development

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Import Status: Reviewed

This branch is an import of the HEAD branch of the Git repository at git://linuxtv.org/v4l-utils.git.

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Recent revisions

4143. By Ricardo Ribalda Delgado on 2019-04-18

libv4lconvert: Add support for V4L2_PIX_FMT_NV12

NV12 is a two-plane version YUV 4:2:0, where the U and V components
are subsampled 2x2.

Signed-off-by: Ricardo Ribalda Delgado <email address hidden>
Signed-off-by: Hans de Goede <email address hidden>

4142. By Ricardo Ribalda Delgado on 2019-04-18

libv4lconvert: Port supported_src_formats to bit-ops

We have passed the barrier of 64 supported formats, therefore a int64_t
is not enough for holding the bitfield.

Instead use bit-ops ala kernel.

Signed-off-by: Ricardo Ribalda Delgado <email address hidden>
Suggested-by: Hans de Goede <email address hidden>
Signed-off-by: Hans de Goede <email address hidden>

4141. By Sean Young on 2019-04-03

keytable: improve description of ir-keytable

Signed-off-by: Sean Young <email address hidden>

4140. By Hans Verkuil <email address hidden> on 2019-04-02

v4l2-ctl: disable_trace disabled too much

When trying to stream twice from the same device the second attempt
silently exits since REQBUFS returns EBUSY. The problem is that there
is no feedback of the ioctl error to the user, and that is because
the ioctl tracing is disabled before REQBUFS is called.

Change the code to be a bit more refined w.r.t. what is traced and
what isn't.

Now a proper error code is shown.

Signed-off-by: Hans Verkuil <email address hidden>

4139. By Hans Verkuil <email address hidden> on 2019-04-01

v4l2-compliance: fix and comment out qbuf test

The fail_on_test(qbuf()) check was missing a !.

But if after this correctly-failing qbuf() the querybuf ioctl is
called again, all the request information is dropped from the result.

So comment this out while a investigation this.

Signed-off-by: Hans Verkuil <email address hidden>
Fixes: 7ee189ecae01 ("v4l2-compliance: fix request API test")

4138. By Sean Young on 2019-04-01

keytable: no need to explain -s option separately

Signed-off-by: Sean Young <email address hidden>

4137. By Dafna Hirschfeld <email address hidden> on 2019-03-31

v4l2-ctl: fix debug prints

replace 'set_fwht_ext_ctrls' with 'set_fwht_ext_ctrl'
in debug prints

Signed-off-by: Dafna Hirschfeld <email address hidden>
Signed-off-by: Hans Verkuil <email address hidden>

4136. By Dafna Hirschfeld <email address hidden> on 2019-03-31

v4l2-ctl: declare hdr variable as const

declare the hdr param with 'const' in
functions that use fwht header in order
to set the fwht stateless params.

Signed-off-by: Dafna Hirschfeld <email address hidden>
Signed-off-by: Hans Verkuil <email address hidden>

4135. By Hans Verkuil <email address hidden> on 2019-03-30

v4l2-ctl: suppress warning messages when decoding

When reading from a compressed file the amount of data read
can be less than the buffer size. Don't warn about that, it's
perfectly normal.

Signed-off-by: Hans Verkuil <email address hidden>

4134. By Hans Verkuil <email address hidden> on 2019-03-30

v4l2-ctl: get fmt after source change

When a source change event arrives during decoding get the new
format at that point instead of after restarting streaming.

If there is another source change queued up, then when you call
streamon for CAPTURE again it might send the new source change
event and update the format for that one, so reading the format
after streamon might give the wrong format.

Signed-off-by: Hans Verkuil <email address hidden>

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