Fixes null pointer dereference
Fixes CID1251347
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes CID1254660
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes reading uninitialized memory
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes "Non-monotonous DTS in output stream 0:0"
Fixes Ticket4020
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>

This is a generic solution that will not reqiore modifications when new options are added.
This also fixes problem with current implementation when qmin or qmax=-1.
Only 8 bits was sent and read back as 255.

Fixes #1275
Fixes #1461
Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>

This commit allows to set codec's private option.
As side effect, it also improves preset support.
Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>

Function allows to create string containing object's serialized options.
Such string may be passed back to av_set_options_string() in order to restore options.
Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>

New function allows to check if option is set to its default value
Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>

It's default in option_table.h is 0, but without this fix it is represented as 0/0.
Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>

Adding these options simplify ffm format implementation based on AVOption API.
Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>

timecode_frame_start is set to -1 in avcodec_get_context_defaults3()
AVOptions API complains about it.
Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'c00365b4':
  aarch64: Make the function pointer tables position independent
Merged-by: Michael Niedermayer <michaelni@gmx.at>

This allows running the code on android, where 64 bit binaries with
text relocations aren't allowed to be loaded.
Signed-off-by: Martin Storsjö <martin@martin.st>

No speed difference.

Found-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes ffmpeg -h filter=xbr

See 57688aec

The log is good enough for tracking those changes.