Fixes division by zero

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes assertion failure

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes division by zero

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes out of array reads

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This should have been part of 491ca0e8.

Fixes excessive memory allocation

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes Division by 0

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
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>

* qatar/master:
  oggdec: make sure the private parse data is cleaned up
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '89b51b57':
  oggdec: free the ogg streams on read_header failure

Conflicts:
	libavformat/oggdec.c

Original commit this was based on: (this merge just moves the function up)
commit 07a86628
Author: Michael Niedermayer <michaelni@gmx.at>
Date:   Tue Nov 20 15:12:37 2012 +0100

    oggdec: fix memleak on header parsing failure

    Fixes Ticket1931
Merged-by: Michael Niedermayer <michaelni@gmx.at>

This tag is used by Windows Media Centre in displaying the thumbnail,
and should be transformed into FFmpeg metadata string.

Demuxing files should be possible even if there are
no decoding support in lavc (yet).
Signed-off-by: Paul B Mahol <onemda@gmail.com>

Signed-off-by: Paul B Mahol <onemda@gmail.com>

Signed-off-by: Paul B Mahol <onemda@gmail.com>

Signed-off-by: Paul B Mahol <onemda@gmail.com>

Signed-off-by: Paul B Mahol <onemda@gmail.com>

Merge only for metadata, no commits merged

* qatar/master:
  Drop Snow codec
  Prepare for 10_alpha1 Release
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '4f506466':
  x86: sbrdsp: Implement SSE qmf_post_shuffle
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '44a0036d':
  x86: sbrdsp: Implement SSE sum64x5
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '5b4dfbff':
  x86: ABS1: port to cpuflags
  v210x: cosmetics, reformat
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '6689474b':
  v210x: return meaningful error codes.
  r210dec: return meaningful error codes.
  vb: cosmetics, reformat

Conflicts:
	libavcodec/vb.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '9dbbda23':
  vb: return meaningful error codes.
  ptx: return meaningful error codes.
  tiff: return meaningful error codes.
  vqavideo: return meaningful error codes.
  mss2: return meaningful error codes.
  v210dec: return meaningful error codes
  indeo2: cosmetics, reformat

Conflicts:
	libavcodec/indeo2.c
	libavcodec/tiff.c
	libavcodec/v210dec.c
	libavcodec/vb.c
	libavcodec/vqavideo.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '7b1fbd47':
  indeo2: check decoding errors.
  indeo2: return meaningful error codes
  rl2: cosmetics, reformat

Conflicts:
	libavcodec/rl2.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '3c6e5a84':
  rl2: use fixed-width integer types where appropriate
  rl2: return meaningful error codes.
  cljr: return a meaningful error code.
  fraps: cosmetics, reformat

Conflicts:
	libavcodec/fraps.c
	libavcodec/rl2.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '57d11e5e':
  fraps: return meaningful error codes.
  kgv1dec: return meaningful error codes.
  kmvc: return meaningful error codes.
  wnv1: return meaningful error codes.
  dpx: return meaningful error codes.
  truemotion1: return meaningful error codes
  pnm: return meaningful error codes.

Conflicts:
	libavcodec/dpx.c
	libavcodec/fraps.c
	libavcodec/kmvc.c
	libavcodec/pnm.c
	libavcodec/pnmdec.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '84f2847d':
  xl: return a meaningful error code.
  xan: return a meaningful error code.
  xxan: return meaningful error codes.
  zmbv: return more meaningful error codes.
  yop: use a meaningful error code.
  c93: return meaningful error codes.
  bmv: return meaningful error codes.
  bmp: return meaningful error codes.
  bink: operate with pointers to AVFrames instead of whole structs.
  bink: return meaningful error codes.
  bfi: return meaningful error codes.
  bethsoftvideo: return meaningful error codes.

Conflicts:
	libavcodec/c93.c
	libavcodec/xl.c
	libavcodec/xxan.c
	libavcodec/yop.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'e83c1e2d':
  avs: return meaningful error codes.
  aura: return meaningful error codes.
  asvdec: return meaningful error codes.
  ansi: return a meaningful error code
  anm: return meaningful error codes
  aasc: return meaningful error codes.
  8bps: return meaningful error codes.
  4xm: operate with pointers to AVFrames instead of whole structs.
  4xm: eliminate a pointless indirection

Conflicts:
	libavcodec/4xm.c
	libavcodec/aasc.c
	libavcodec/anm.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'aa15afb7':
  4xm: simplify code with FFSWAP
  4xm: return meaningful error codes

Conflicts:
	libavcodec/4xm.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

If someone else wants to maintain a old release, please contact us
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>