* commit '1e763454':
  png: improve signature check

Conflicts:
	libavcodec/pngdec.c

See: 8a08503b
See: 0a3589bfMerged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '456ffec3':
  img2dec: correctly use the parsed value from -start_number

No change, start_number works fine without this change
and does not work with it
Merged-by: Michael Niedermayer <michaelni@gmx.at>

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

Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Return proper error code, print an error message and add missing
parentheses.

Previously the image sequence was always starting from the minimum
number rather than the requested one.

CC: libav-stable@libav.org

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

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

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

This fixes missdetecting such streams as something else like AAC
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 CID1260704
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

If refdata was NULL, the memcpy() ended up copying the same memory
block onto itself, which is not only pointless, but also undefined
behavior.
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>

The filter was ported to a native libavfilter filter in
a299cd5a.
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>

Previous version reviewed-by: tim nicholson
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>

MXF files generated by Media Composer or LibMXF can contain a
project name property in the Preface. Lots of existing samples have them.

http://samples.ffmpeg.org/MXF/issue2160/PW0805A0V01.4C5B5636.EFA330.mxf
project_name    : DNX145 PW Test

http://samples.ffmpeg.org/ffmpeg-bugs/trac/ticket3450/WriteAvidMXFgenerated/5502_0010_v1.mxf
project_name    : Rombus

http://samples.ffmpeg.org/ffmpeg-bugs/trac/ticket3100/1sec_mxf_test_Video5270C795.mxf
project_name    : NVB_DOOD
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

int32/float only
Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: James Almer <jamrial@gmail.com>

Signed-off-by: Lou Logan <lou@lrcd.com>

It's not an installed header.
Tested-by: Thilo Borgmann <thilo.borgmann@mail.de>
Tested-by: Wei Gao <highgod0401@gmail.com>
Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: James Almer <jamrial@gmail.com>

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

Found-by: ubitux
(rest of found stuff left to the author to decide which way to fix)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes Ticket968
partly fixes Ticket691
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: Anshul Maheshwari <anshul.ffmpeg@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Anshul Maheshwari <anshul.ffmpeg@gmail.com>

To test Closed caption use following command
ffmpeg -f lavfi -i "movie=input.ts[out0+subcc]" -map s output.srt
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Device name may be coma-separated list.
Use dedicated funtion to compare.
Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>

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

List device callback must be able to return valid list without opening device.
This callback should return input values for open function, not vice-versa.
Read header funtion is very likey to fail without proper configuration provided.
Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>

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