Make trasher use a well defined random number generator and allow the seed to be specified on teh cmd line.


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Networking is always initialized when opening protocols.


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This ensures proper escaping of numerical IPv6 addresses.

The RTSP (de)muxer needs its own network initialization, since it isn't
a protocol and url_open hasn't been called yet.


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ff_network_init is a no-op on all platforms except windows, and on
windows the performance penalty is minimal (less than 1 ms in my tests).


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Fix issue 956.


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Patch by Janusz Krzysztofik jkrzyszt, tis icnet pl.


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Patch by Janusz Krzysztofik jkrzyszt tis icnet pl
Original thread:
Subject: [FFmpeg-devel] [PATCH v2] Add initial support for 12-bit color mode.
Date: Mon, 1 Mar 2010 02:05:07 +0100


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This still needs some minor work here and there but should be already functional.
Note that the code pathes that are under "not avfilter" ifdefs as well as the
ifdefs will be droped as soon as all major issues have been det with, aka could
be real soon or not.


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Patch by Janusz Krzysztofik:
<${name initial}${surname less the final "ofik"}@tis.icnet.pl>.

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Fixes issue746

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Check url_interrupt_cb in rtp_read, wait in select for max 100 ms before rechecking url_interrupt_cb


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The libfaad wrapper does this.


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Reorder indexes in weight tables.


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Too many demuxers can't cope with clusters of unknown size.

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back and write it at the end

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Most EBML masters are much smaller than IO_BUFFER_SIZE and thus the size
can be updated. This makes parsing the resulting files easier.

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This results in a 50% speedup on main profile with no increase in binary size.


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Thanks to backwards compatible HE-AAC signalling these values are unreliable.


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1 cpu cycle faster


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consistent with the allocation currently done for PIX_FMT_GRAY8
pictures.

No significant slow-downs have been measured.

See the thread:
Subject: [FFmpeg-devel] [PATCH] Is gray8 a paletted format?
Date: Sun, 15 Nov 2009 23:36:03 +0100

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This is generally around 12% faster than the prior method of creating a
linked list for each block as tokens are read, but can be anywhere from
8% to 28% faster depending on file and CPU.

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This increases the slice size to 64 pixels, due to having to decode an
entire chroma superblock row per slice.

This can be up to 6% slower depending on clip and CPU, but is necessary
for future optimizations that gain significantly more than was lost.

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