Document ONLY_IF_THREADS_ENABLED along the way.

Conflicts:
	libavutil/internal.h

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This fixes a potential issue when doing redirects.


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This removes some useless copying of handles, and simplifies error handling.

Patch by Josh Allmann, joshua dot allmann at gmail


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function pointer. Should allow for ASM optimizations.


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Fixes issue2015


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 It allows VLD MPEG-2 decoding using DXVA2 (GPU assisted decoding API under
VISTA and Windows 7).
 It is implemented by using AVHWAccel API.



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Since rtsp_hd isn't assigned to rt->rtsp_hd until after the setup phase,
the initialized URLContext could be leaked on failures.


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Earlier, the function only returned when the enough data to fill the
requested buffer was available. This lead to high latency when receiving
low-bandwidth streams.


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Data-burst is described in IEC 61937-7 (Atrac) and IEC 61937-8 (WMA Pro).


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warning #188: enumerated type mixed with another type
      enum PixelFormat pix_fmts[] = { c->pix_fmt, PIX_FMT_NONE };
                                      ^


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(extradata_size must be at least 5 bytes) the H.264 MP4 syntax check
in rtpenc.c


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errors, far from being a complete test system.

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"config.err". The former name was misleading, as the file contains
useful information not necessarily related to errors.

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the provided expression.

Allow detection of mistyped expressions.

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They are just ignored, and tend to confuse both machines and humans.

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The display definition segment is used to properly display SD DVB subtitles in
HD video streams.


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the RTP muxer context (it will be used later for splitting frames in NALs)


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when reading a live feed, should retry regardless of whether any client has
opened the stream.


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based on a patch by Jai Menon


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Apparently the compiler sometimes bypasses the normal assembler, in
which case the asm label variant works.  If the file contains any
inline asm, this bypassing is not done, and the assembler chokes on
invalid syntax.  Inserting a dummy asm() statement in the test when
the compiler supports it makes sure no shortcuts are taken and the
test fails as it should.

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patch by Zhentan Feng <spyfeng gmail com>.



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When symbol versioning is enabled, moving symbols from one library to
another breaks binary compatibility.  This adds wrappers with the old
version tag for the av_*packet functions recently moved to lavc.

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