* commit '342fc46c':
  cmdutils: Add a stream specifier to map usable streams

Conflicts:
	cmdutils.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: James Almer <jamrial@gmail.com>

Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: James Almer <jamrial@gmail.com>

Fixes Ticket4246
Reviewed-by: James Zern <jzern@google.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This fixes depending on implementation defined behavior
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This fixes depending on implementation defined behavior
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This fixes depending on implementation defined behavior
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

It drops everything that cannot be used for re-encoding and/or
streamcopy.

unsigned overflows are well defined in C and used for example in crypto
and various other places.
None of the affected warnings currently shown points to an actual defect

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

In particular, add support for t, pos, n, r parameters, and add an eval
mode option.

Also, partially reword option documentation.

With several major edit by Stefano Sabatini.
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>

Should fix compilation on compilers with less-than-ideal dead code elimination
Signed-off-by: James Almer <jamrial@gmail.com>

Signed-off-by: James Almer <jamrial@gmail.com>

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>

* commit '30e6abd1':
  webp: ensure that each transform is only used once

See: c089e720Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'cf18e777':
  movenc: write the display transform matrix

Conflicts:
	libavformat/movenc.c
Merged-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>

Fixes Ticket4227
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

According to the WebP Lossless Bitstream Specification
"each transform is allowed to be used only once".

If a transform is more than once this can lead to memory
corruption.
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>

Fixes 256Gb limit
Fixes Ticket4225
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>

* commit '30a04188':
  ismindex: Calculate the pts duration of trun atoms, not the dts duration
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '67a29123':
  movenc: Don't assume that fragment durations in pts is equal to duration in dts
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '5c337353':
  movenc: Move sidx edit list timestamp adjustment into a block
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'eee13d65':
  movenc: Only adjust the cts offset at the start of fragments if necessary
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '5cf892d6':
  movenc: Write pts timestamps in tfxd, instead of dts timestamps
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'b81b0cc2':
  movenc: Set the last packet duration based on the next packet when autoflushing
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '30411836':
  dashenc: Heuristically fill in the duration of packets that need it
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '2889c5e1':
  movenc: Heuristically set the duration of the last sample in a fragment if not set
Merged-by: Michael Niedermayer <michaelni@gmx.at>