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.

* commit '2fa6d211':
  on2avc: Fix out of array access

See: ce6a1ff2Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '74d7db58':
  dv: Drop a spurious check

Conflicts:
	libavcodec/dvdec.c

See: 5307fa00Merged-by: Michael Niedermayer <michaelni@gmx.at>

Hyllian's message : "Hi, Put lgpl on this and use it as you wish. It's free!"
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

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

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

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

In http_open_cnx, the patch restores the AVDictionary if connection needs to be re-tried
because of a authentication/redirect status code.

Previously, if a 401/407/30x status code was encountered, http_open_cnx would restart at the redo label, but any options
used by the underlying protocol would be missing because they were removed by the first attempt.
Signed-off-by: Brandon Lees <brandon@n-hega.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Suggested-by: Nicolas George <george@nsup.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>