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

The libav code depends on mp3 startcodes only occuring at the start of
frames. But there is nothing in mp3 that prevents them occuring elsewhere
by chance. Thus the code would fail randomly, the new code searches for 3
consecutive valid frames. If this turns out to be still insufficient the
number can be raised further, or additional checks added.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

This should also fix CID717889.

Should fix CID733781 and CID733782.

Should fix CID733779 and CID733780.

Fixes CID703688
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes CID733715
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes CID732199
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes CID739471
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes CID700575
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes CID717749
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes CID703682
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes CID703745
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Decrease confusion.

Fixes CID700562-7
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes CID703629
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

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

Fixes CID602563
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes CID733712
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes CID90539, CID90538
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This should fix fate failures
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

* qatar/master:
  configure: Group math functions into a separate variable
  avutil/mem: K&R formatting cosmetics
  avutil/lzo: K&R formatting cosmetics

Conflicts:
	configure
	libavutil/mem.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'c9ef4321':
  fate-vc1: add dependencies
  ARM: fix overreads in neon h264 chroma mc
  rtsp: Make sure the ret variable is initialized in ff_rtsp_fetch_packet
  gitignore: ignore files created by msvc
  fate: Add proper dependencies for the tests in video.mak
  configure: Disable Snow decoder and encoder by default
  lzo: Drop obsolete fast_memcpy reference
  build: Drop OBJS declaration for non-existing PCM_DVD encoder
  mpeg4videodec: Disable frame multithreading for GMC, its not implemented at all

Conflicts:
	libavcodec/mpegvideo.c
	libavformat/rtsp.c
	tests/fate/microsoft.mak
	tests/fate/video.mak
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Avoid to divide num and den by gcd in case of a parsed expression, since
that is already done in av_d2q(), and force reduction in case of "a:b"
form, allowing to honour the max parameter.

The latter change is consistent with the a/b case, and with the
documentation.

This avoids some duplication when listing and testing for the functions.

Signed-off-by: Mans Rullgard <mans@mansr.com>

The loops were reading ahead one line, which could end up outside the
buffer for reference blocks at the edge of the picture.  Removing
this readahead has no measurable performance impact.
Signed-off-by: Mans Rullgard <mans@mansr.com>

This is done in accordance with all other libraries, which no longer access ff_log2_tab from avutil directly for shared builds, and instead obtain their own copy.

This change is required for MSVC DLL builds, as well as avoids accessing a private symbol from another library.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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