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gstreamer/sys/v4l2
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Hou Qi f4049fc292 v4l2videoenc: Set default latency if the frame duration is invalid 
If the duration of the v4l2object is invalid, use default 25fps instead.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/996>
2021-05-28 11:54:53 +00:00
..
ext v4l2: Sync headers with kernel 5.9 2020-08-11 17:24:03 -04:00
gstv4l2.c v4l2: fix debug category initialisation again 2021-04-20 06:35:01 +00:00
gstv4l2allocator.c v4l2allocator: Don't do REQBUFS(0) on inactive allocator 2020-06-26 19:24:21 +00:00
gstv4l2allocator.h v4l2allocator: support orphaning 2019-04-05 16:01:55 +00:00
gstv4l2bufferpool.c v4l2bufferpool: Silence traces around unsupported source change 2021-02-19 16:02:02 -05:00
gstv4l2bufferpool.h v4l2rc: Add DV_TIMINGS query and locking 2021-02-19 16:02:02 -05:00
gstv4l2codec.c v4l2: codec: Fix GValue leak 2020-05-22 19:11:47 +00:00
gstv4l2codec.h v4l2: codec: Fix GValue leak 2020-05-22 19:11:47 +00:00
gstv4l2colorbalance.c Update Edgard Lima's email 2017-02-27 00:34:19 +00:00
gstv4l2colorbalance.h v4l2: Merge v4l2_calls.h into gstv4l2object.h 2017-07-17 20:48:28 -04:00
gstv4l2deviceprovider.c v4l2: allow per feature registration 2021-03-29 12:45:23 +02:00
gstv4l2deviceprovider.h pulse, v4l2: add missing G_END_DECLS in some places 2014-10-28 21:32:06 +00:00
gstv4l2element.c v4l2: allow per feature registration 2021-03-29 12:45:23 +02:00
gstv4l2elements.h v4l2: allow per feature registration 2021-03-29 12:45:23 +02:00
gstv4l2fwhtenc.c v4l2: Profile and level probing support for encoders and decoders 2019-06-05 10:23:40 +01:00
gstv4l2fwhtenc.h v4l2: Add FWHT codec support 2018-09-13 20:48:09 -04:00
gstv4l2h263enc.c v4l2: Profile and level probing support for encoders and decoders 2019-06-05 10:23:40 +01:00
gstv4l2h263enc.h v4l2: Remove spurious CATEGORY_EXTERN 2017-08-02 12:28:38 -04:00
gstv4l2h264codec.c v4l2h264codec: Map newly defined profile/levels 2020-08-11 17:24:11 -04:00
gstv4l2h264codec.h v4l2: Profile and level probing support for encoders and decoders 2019-06-05 10:23:40 +01:00
gstv4l2h264enc.c v4l2: Profile and level probing support for encoders and decoders 2019-06-05 10:23:40 +01:00
gstv4l2h264enc.h v4l2: Profile and level probing support for encoders and decoders 2019-06-05 10:23:40 +01:00
gstv4l2h265codec.c v4l2h265codec: fix HEVC profile string issue. 2021-01-27 01:22:41 +00:00
gstv4l2h265codec.h v4l2: Profile and level probing support for encoders and decoders 2019-06-05 10:23:40 +01:00
gstv4l2h265enc.c v4l2: Profile and level probing support for encoders and decoders 2019-06-05 10:23:40 +01:00
gstv4l2h265enc.h v4l2: Profile and level probing support for encoders and decoders 2019-06-05 10:23:40 +01:00
gstv4l2jpegenc.c v4l2: Profile and level probing support for encoders and decoders 2019-06-05 10:23:40 +01:00
gstv4l2jpegenc.h v4l2: Add JPEG encoding support 2018-09-13 20:48:09 -04:00
gstv4l2mpeg2codec.c v4l2: Add MPEG-2 profile and level support 2019-09-27 08:47:20 +02:00
gstv4l2mpeg2codec.h v4l2: Add MPEG-2 profile and level support 2019-09-27 08:47:20 +02:00
gstv4l2mpeg4codec.c v4l2: Profile and level probing support for encoders and decoders 2019-06-05 10:23:40 +01:00
gstv4l2mpeg4codec.h v4l2: Profile and level probing support for encoders and decoders 2019-06-05 10:23:40 +01:00
gstv4l2mpeg4enc.c v4l2: Profile and level probing support for encoders and decoders 2019-06-05 10:23:40 +01:00
gstv4l2mpeg4enc.h v4l2: Profile and level probing support for encoders and decoders 2019-06-05 10:23:40 +01:00
gstv4l2object.c v4l2object: Add interlace-mode back to caps for camera 2021-04-27 13:47:21 -04:00
gstv4l2object.h v4l2rc: Add DV_TIMINGS query and locking 2021-02-19 16:02:02 -05:00
gstv4l2radio.c v4l2: allow per feature registration 2021-03-29 12:45:23 +02:00
gstv4l2radio.h Fix FSF address 2012-11-04 00:07:18 +00:00
gstv4l2sink.c v4l2: allow per feature registration 2021-03-29 12:45:23 +02:00
gstv4l2sink.h v4l2: Remove spurious CATEGORY_EXTERN 2017-08-02 12:28:38 -04:00
gstv4l2src.c v4l2: allow per feature registration 2021-03-29 12:45:23 +02:00
gstv4l2src.h v4l2src: Add input signal status detection 2021-02-19 16:02:02 -05:00
gstv4l2transform.c v4l2codec: Pass system frame number as timestamp and use it to retrieve back frames reliably 2020-10-19 18:33:58 +03:00
gstv4l2transform.h v4l2transform: Add "disable-passthrough" property 2018-08-31 15:43:53 -04:00
gstv4l2tuner.c v4l2: Fix input/output index sign 2021-02-19 16:02:02 -05:00
gstv4l2tuner.h Update Edgard Lima's email 2017-02-27 00:34:19 +00:00
gstv4l2videodec.c v4l2videodec: Do not expose profiles/levels in vp8/vp9 template caps 2021-03-03 15:17:58 +00:00
gstv4l2videodec.h v4l2: Profile and level probing support for encoders and decoders 2019-06-05 10:23:40 +01:00
gstv4l2videoenc.c v4l2videoenc: Set default latency if the frame duration is invalid 2021-05-28 11:54:53 +00:00
gstv4l2videoenc.h v4l2: Profile and level probing support for encoders and decoders 2019-06-05 10:23:40 +01:00
gstv4l2vidorient.c v4l2: Merge v4l2_calls.h into gstv4l2object.h 2017-07-17 20:48:28 -04:00
gstv4l2vidorient.h Update Edgard Lima's email 2017-02-27 00:34:19 +00:00
gstv4l2vp8codec.c v4l2: Profile and level probing support for encoders and decoders 2019-06-05 10:23:40 +01:00
gstv4l2vp8codec.h v4l2: Profile and level probing support for encoders and decoders 2019-06-05 10:23:40 +01:00
gstv4l2vp8enc.c v4l2: Profile and level probing support for encoders and decoders 2019-06-05 10:23:40 +01:00
gstv4l2vp8enc.h v4l2: Profile and level probing support for encoders and decoders 2019-06-05 10:23:40 +01:00
gstv4l2vp9codec.c v4l2: Profile and level probing support for encoders and decoders 2019-06-05 10:23:40 +01:00
gstv4l2vp9codec.h v4l2: Profile and level probing support for encoders and decoders 2019-06-05 10:23:40 +01:00
gstv4l2vp9enc.c v4l2: Profile and level probing support for encoders and decoders 2019-06-05 10:23:40 +01:00
gstv4l2vp9enc.h v4l2: Profile and level probing support for encoders and decoders 2019-06-05 10:23:40 +01:00
meson.build v4l2: allow per feature registration 2021-03-29 12:45:23 +02:00
README
tuner.c docs: mark more types as plugin API 2020-06-23 12:07:47 -04:00
tuner.h v4l2: remove unused enumtypes and use generic marshaller 2013-08-04 11:03:49 +01:00
tunerchannel.c docs: mark more types as plugin API 2020-06-23 12:07:47 -04:00
tunerchannel.h Fix FSF address 2012-11-04 00:07:18 +00:00
tunernorm.c docs: Port all docstring to gtk-doc markdown 2019-05-13 10:24:40 -04:00
tunernorm.h Fix FSF address 2012-11-04 00:07:18 +00:00
v4l2-utils.c v4l2: consistently check #ifdef HAVE_GUDEV instead of #if 2016-08-18 20:20:20 +01:00
v4l2-utils.h v4l2: Add a macro to check for M2M 2018-07-13 22:58:57 -04:00
v4l2_calls.c v4l2: Fix glib warning emitted when attribute query fails 2021-04-21 18:48:38 +01:00

README 

v4l2 plugins
============

The idea is a bit the same as the idea for the v4l1 plugins. We want
one generic v4l2element, and a few child objects (probably only two:
v4l2src and v4l2sink):

                /-------- v4l2src
v4l2element ---=
                \-------- v4l2sink

Both v4l2src and v4l2sink have a uncompressed and a compressed
recording-/playback-mode. Since this is all part of v4l2, the 'client'
of these elements, i.e. an application using v4l2src/v4l2sink, will
hardly notice this. All capsnego stuff is done inside, and the plugin
knows which formats are compressed and which are not.

Please note that the v4l1 and the v4l2 plugins are *not* compatible
concerning properties. Naming has been kept the same where possible,
but in some cases, properties had to be removed or added to make
full use of v4l2.

V4L2 API: http://linux.bytesex.org/v4l2/.
          http://v4l2spec.bytesex.org/
          /usr/include/linux/videodev2.h or

Kernel patches available from
          http://dl.bytesex.org/patches/.

Articles:
          http://lwn.net/Articles/203924/