git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22449 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

w53_32_c() and w97_32_c() are defined as stubs when snow encoder is
disabled.  In this case, those functions are not referenced at all
and do thus not need to be defined.

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22448 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22447 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

These casts are correct and safe.  The pointers are guaranteed to
have proper alignment, and aliasing is not a problem with character
types.

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git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22445 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22444 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

This disables all codecs, formats, etc.  It saves some typing when
only a few components are desired.

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22443 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

The bugs become only vissible at higher time resolution than what is
used currently.


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git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22441 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22440 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22439 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22438 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

This fixes compilation on mingw32ce


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22437 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

Fixes some spurious error messages.


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22435 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

this allows more asynchronous decoding and display thus improving
video smoothness.
It also seems to improve absolute video decoding speed for some reason


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22434 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

as this blanks the window.


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git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22432 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22431 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

Fixes numerous warnings with --enable-small or --disable-optimizations.

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22430 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

as i did nt find a limit in the spec)
This should stop cavlc_decode_residual() on a zero bitstream


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22429 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22428 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22427 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

This fixes compilation on some OSes


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22426 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22425 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22424 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

Note to self: always test in a clean directory

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22423 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

The presence of the .SECONDARY directive caused thing to not always
be correctly rebuilt.  Mentioning the object files explicitly as
targets gives the desired result of make not deleting them without
unpleasant side-effects.

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22422 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22421 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

Force version.sh to run whenever the version might have changed,
regardless of what is being built.  This is done by attaching the
dependencies to a dummy file (.version) which is included from the
makefile.  As make will always attempt to rebuild any included files
before considering other rules, this ensures that the real version.h
is (re-)created before it is required by any source file.

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git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22419 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22418 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

This silly program always writes its output to the current directory.
Changing directory is better than moving the file afterwards.

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22417 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

I couldn't measure it to be slower for normal interframe videos.
For the worst case, high-bitrate intra-only videos, it can be 0.7% slower.

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22416 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@22415 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

Patch by Zhou Zongyi, zhouzy A os D pku D edu D cn 


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