Do not leak the expressions.

This fixes a regression (reproducible since 1.2) and restores the
behaviour of 0.6, 0.7, 0.8, 0.9, 0.10, 0.11, 1.0 and 1.1.

This fixes reading files in Windows

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

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

According to the PIFF specification[1] the base_data_offset field MUST be
omitteed. See section 5.2.17. Since the ISMV files created by libavformat
state that they are 'piff' compatible via 'ftyp' box, this needs to be
corrected.

[1] http://www.iis.net/learn/media/smooth-streaming/protected-interoperable-file-format

Signed-off-by: Martin Storsjö <martin@martin.st>

Signed-off-by: Martin Storsjö <martin@martin.st>

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

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

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

* qatar/master:
  sparc: Eliminate dead code in VIS acceleration macros
  flacdec: drop unnecessary assert
  mjpegdec: properly report unsupported disabled features

Conflicts:
	libavcodec/flacdec.c
	libavcodec/mjpegdec.c

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

* qatar/master:
  vf_pad: use the name 's' for the pointer to the private context
  vf_overlay: use the name 's' for the pointer to the private context
  vf_lut: use the name 's' for the pointer to the private context

Conflicts:
	libavfilter/vf_lut.c
	libavfilter/vf_overlay.c
	libavfilter/vf_pad.c

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

* commit '4753f802c00853859b7b4b8fdb79c35e082cb7f8':
  vf_libopencv: use the name 's' for the pointer to the private context
  vf_hqdn3d: use the name 's' for the pointer to the private context
  vf_hflip: use the name 's' for the pointer to the private context
  vf_gradfun: use the name 's' for the pointer to the private context

Conflicts:
	libavfilter/vf_gradfun.c
	libavfilter/vf_hflip.c
	libavfilter/vf_hqdn3d.c

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

* commit 'f6b6d6ac42c0ee427fcd3fae4c398b2103b491b8':
  vf_frei0r: use the name 's' for the pointer to the private context
  vf_format: use the name 's' for the pointer to the private context
  vf_fieldorder: use the name 's' for the pointer to the private context
  vf_fieldorder: cosmetics, remove an extra linebreak

Conflicts:
	libavfilter/vf_frei0r.c

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

Signed-off-by: Diego Biurrun <diego@biurrun.de>

The condition cannot happen anymore.

When JPEG-LS support is disabled the decoder would feed the
data to the JPEG Lossless decode_*_scan function resulting in
faulty decoding.

CC: libav-stable@libav.org

* commit 'c0279956b3ca3e5fd0a6a25253893d6f07000e68':
  vf_fade: use the name 's' for the pointer to the private context
  vf_drawtext: use the name 's' for the pointer to the private context
  vf_drawbox: use the name 's' for the pointer to the private context

Conflicts:
	libavfilter/vf_drawbox.c
	libavfilter/vf_drawtext.c
	libavfilter/vf_fade.c

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

* commit 'ba09675f44612fad9f7169f71b8276beb50a0dcd':
  vf_delogo: use the name 's' for the pointer to the private context
  vf_cropdetect: use the name 's' for the pointer to the private context
  vf_crop: cosmetics, break lines

Conflicts:
	libavfilter/vf_delogo.c

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

* commit '7f83959598b6565baa0091e5739dd9091ab7a990':
  vf_crop: use the name 's' for the pointer to the private context
  vf_boxblur: use the name 's' for the pointer to the private context
  vf_blackframe: use the name 's' for the pointer to the private context

Conflicts:
	libavfilter/vf_blackframe.c
	libavfilter/vf_boxblur.c
	libavfilter/vf_crop.c

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

* commit 'b3ea76624ad1baab0b6bcc13f3f856be2f958110':
  vf_aspect: use the name 's' for the pointer to the private context
  Remove commented-out debug #define cruft

Conflicts:
	libavcodec/4xm.c
	libavcodec/dvdsubdec.c
	libavcodec/ituh263dec.c
	libavcodec/mpeg12.c
	libavfilter/avfilter.c
	libavfilter/vf_aspect.c
	libavfilter/vf_fieldorder.c
	libavformat/rtmpproto.c

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

* commit 'ff4fc5ef12a37716c5c5d8928a2db92428e916ec':
  jpegls: K&R formatting cosmetics

Conflicts:
	libavcodec/jpegls.c
	libavcodec/jpegls.h
	libavcodec/jpeglsdec.c
	libavcodec/jpeglsenc.c

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

* commit '9cacdabd1c8cd257a942d8289349c37d992989b7':
  jpegls: cosmetics: Drop some unnecessary parentheses
  mpegvideo: Remove commented-out PARANOID debug cruft

Conflicts:
	libavcodec/jpegls.c
	libavcodec/mpegvideo.c
	libavcodec/x86/mpegvideo.c

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

* commit 'd46c588f3cb1963a00e990ceaf4ba9ffa05a716d':
  Remove commented-out #includes
  h263dec: Remove broken and disabled debug cruft
  vc1: Reindent INIT_LUT(), align backslashes

Conflicts:
	libavcodec/vc1.c

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

This is shorter and consistent across filters.

This is shorter and consistent across filters.

This is shorter and consistent across filters.

This is shorter and consistent across filters.

This is shorter and consistent across filters.

This is shorter and consistent across filters.

This is shorter and consistent across filters.

This is shorter and consistent across filters.

This is shorter and consistent across filters.

This is shorter and consistent across filters.

This is shorter and consistent across filters.

This is shorter and consistent across filters.

This is shorter and consistent across filters.

This is shorter and consistent across filters.