This fixes segmentation faults due to out of bounds writes, when
color_start is interpreted as negative number.

This regression was introduced in commit 57631f.
Reviewed-by: Mats Peterson <matsp888@yahoo.com>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>

They are stored in a byte, thus more than 255 is not possible
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Fixes: 1b8b83a53bfa751f01b1daa65a4758db/signal_sigabrt_7ffff6ae7cb7_7488_403f71d1a2565b598d01b6cb110fac8f.aiff
Fixes: assertion failure

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Fixes: 07fa81f300736485e585b63e7b1cd155/signal_sigabrt_7ffff6ae7cb7_16_94ee815791a1357826524072db5bc2dc.dfa

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

This patch adds a new static function get_qt_codec() that takes care of
the initial retrieval of the fourcc and codec ID for A_QUICKTIME and
V_QUICKTIME. It also normalizes noncompliant private data found in some
older files that incorrectly starts with the fourcc by expanding/shifting
the data by 4 bytes, and storing the data size at the start. This is
necessary in order for the rest of the code in the A_QUICKTIME and
V_QUICKTIME blocks (and most likely other code as well) to correctly
parse the private data.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Fixes index out of bounds error
Fixes: aac_index_out_of_bounds.wmv
Found-by: Piotr Bandurski <ami_stuff@o2.pl>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Fixes: dvdec_left_shift.avi
Found-by: Piotr Bandurski <ami_stuff@o2.pl>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Fixes invalid shift
Fixes: g2m_left_shift_2.wmv
Found-by: Piotr Bandurski <ami_stuff@o2.pl>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Use monospaced font, and a black box outline.

Fixes: mjpeg_left_shift.avi
Found-by: Piotr Bandurski <ami_stuff@o2.pl>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Fixes ticket #5142.

Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Marton Balint <cus@passwd.hu>

Fixes: mss2_left_shift.wmv
Found-by: Piotr Bandurski <ami_stuff@o2.pl>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Signed-off-by: Paul B Mahol <onemda@gmail.com>

Pass through color range to vp9 encoder. Parse color range in libvpxdec.c.
Reviewed-by: Ronald S. Bultje <rsbultje@gmail.com>
Signed-off-by: Sasi Inguva <isasi@google.com>
Signed-off-by: James Almer <jamrial@gmail.com>

Fixes Ticket 5106
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>

unlike reap_screen(), capture_screen() can be used to populate buffer
without touching the timestamps. this is useful for upcoming commits
which implement a real time caption stream.

Revert "lavc/ccaption_dec: reap_screen() is responsible for clearing output buffer and signaling screen_changed"

This reverts commit 53ee84f8.

This reverts commit 26abdd61.

This reverts commit fe225b11.

Fixes ticket #5140.
Reviewed-by: James Zern