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(parent: ccbea17) | patch
media: Avoid parsing quantization and huffman tables
authorMirela Rabulea <mirela.rabulea@nxp.com>
Thu, 11 Mar 2021 00:28:51 +0000 (01:28 +0100)
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>
Mon, 22 Mar 2021 09:40:13 +0000 (10:40 +0100)
commit819f3ea51d476dec23e11586a70f47972d61c00a
treec1ae4caff41041e3c6b133b16939e9f90568ff5ftree | snapshot
parentccbea178db47bf4a111ee97c0d77678818563a93commit | diff
media: Avoid parsing quantization and huffman tables

These are optional in struct v4l2_jpeg_header, so skip DHT/DQT segment
parsing if huffman_tables/quantization_tables were not requested by user,
to save time.
However, do count them (num_dht/num_dqt).

Signed-off-by: Mirela Rabulea <mirela.rabulea@nxp.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
drivers/media/v4l2-core/v4l2-jpeg.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git