Remove adding a constant value to each pixel to make it opaque.

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

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

* qatar/master: (22 commits)
  frwu: Employ more meaningful return values.
  fraps: Use av_fast_padded_malloc() instead of av_realloc()
  mjpegdec: use av_fast_padded_malloc()
  eatqi: use av_fast_padded_malloc()
  asv1: use av_fast_padded_malloc()
  avcodec: Add av_fast_padded_malloc().
  swscale: enable dithering in MMX functions.
  swscale: make rgb24 function macros slightly smaller.
  avcodec.h: Remove some disabled cruft.
  swscale: remove obsolete comment.
  swscale-test: Drop unused argc and argv arguments from main().
  zmbv: Employ more meaningful return values.
  zmbvenc: Employ more meaningful return values.
  vc1: prevent null pointer dereference on broken files
  zmbv: check av_realloc() return values and avoid memleaks on ENOMEM
  truespeech: align buffer
  ac3: Do not read past the end of ff_ac3_band_start_tab.
  dv: Fix small stack overread related to CVE-2011-3929 and CVE-2011-3936.
  dv: Fix null pointer dereference due to ach=0
  dv: check stype
  ...

Conflicts:
	doc/APIchanges
	libavcodec/asv1.c
	libavcodec/avcodec.h
	libavcodec/eatqi.c
	libavcodec/fraps.c
	libavcodec/frwu.c
	libavcodec/zmbv.c
	libavformat/dv.c
	libswscale/swscale.c
Merged-by: NMichael Niedermayer <michaelni@gmx.at>

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

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

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

Signed-off-by: NPaul B Mahol <onemda@gmail.com>
Signed-off-by: NJustin Ruggles <justin.ruggles@gmail.com>

Ensures alignment and avoids using uninitialized data.
Signed-off-by: NJustin Ruggles <justin.ruggles@gmail.com>

also check for allocation failure
Signed-off-by: NJustin Ruggles <justin.ruggles@gmail.com>

Signed-off-by: NJustin Ruggles <justin.ruggles@gmail.com>

Signed-off-by: NJustin Ruggles <justin.ruggles@gmail.com>

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

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

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

Wrapper around av_fast_malloc() that keeps FF_INPUT_BUFFER_PADDING_SIZE
zero-padded bytes at the end of the used buffer.

Based on a patch by Reimar Döffinger <Reimar.Doeffinger@gmx.de>.

This was accidently disabled.
Signed-off-by: NRonald S. Bultje <rsbultje@gmail.com>

Also use av_log_ask_for_sample() where it makes sense.
Signed-off-by: NPaul B Mahol <onemda@gmail.com>
Signed-off-by: NDiego Biurrun <diego@biurrun.de>

Signed-off-by: NPaul B Mahol <onemda@gmail.com>
Signed-off-by: NDiego Biurrun <diego@biurrun.de>

CC: libav-stable@libav.org

DSPContext.bswap_buf() requires aligned output
Signed-off-by: NRonald S. Bultje <rsbultje@gmail.com>

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