this is 10-20cpu cycles faster on duron (whole is about 50-60 cpu cylses)
I wonder why gcc isnt doing this on its own ...


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Most coder functions read it. Carting this around in the context may be
suboptimal; a refactor should be considered.


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The latter does not exist and thus compilation fails.
patch by Janne Grunau, janne-ffmpeg jannau.net


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Patch by Nick Brereton <nick at nbrereton dot net>

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was encountered with a channel range that overlapped the previous substreams,
and the code assumed no such overlap was possible.
Patch by Nick Brereton <nick at nbrereton dot net>


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with x86_32 gcc 4.4.4 and -fPIC.


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Patch by Sebastian Vater <cdgs basty googlemail com>.



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they are >= 0.

Patch by Sebastian Vater <cdgs basty googlemail com>.



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This fixes issue1907

Patch by Thomas Devanneaux gmail(thomdev)


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Fix issue 1924.


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Patch by Francesco Lavra, francescolavra interfree it


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such.

Also put the [3][0][0][0] codec tag, mapped to rgb565le, in a special
section. It needs to be specified *after* the nut RGB[16] codec tag,
otherwise it will be used by default when encoding normal non-flipped
rgb565le, and will be decoded like a flipped format (see
rawdec.c:raw_init_decoder()).

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Add codec tags for the formats:
[15]BGR Packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), big-endian [NOT in AVI]
[15]RGB Packed BGR 5:5:5, 16bpp, (msb)1A 5B 5G 5R(lsb), big-endian [NOT in AVI]
[16]BGR Packed RGB 5:6:5, 16bpp, (msb)   5R 6G 5B(lsb), big-endian [NOT in AVI]
[16]RGB Packed BGR 5:6:5, 16bpp, (msb)   5B 6G 5R(lsb), big-endian [NOT in AVI]
RGBA    Packed RGBA 8:8:8:8, 32bpp, RGBA [NOT in AVI]
BGRA    Packed RGBA 8:8:8:8, 32bpp, BGRA [NOT in AVI]
ABGR    Packed RGBA 8:8:8:8, 32bpp, ABGR [NOT in AVI]
ARGB    Packed RGBA 8:8:8:8, 32bpp, ARGB [NOT in AVI]
RGB[24] Packed RGB 8:8:8, 24bpp RGB [NOT in AVI]
BGR[24] Packed RGB 8:8:8, 24bpp BGR [NOT in AVI]

which are listed in the nut4cc.txt spec.

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corresponding ones for the yuvXXX pixel formats.

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format uyyvyy411.

The codec tag is referenced in fourcc.org.

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cannot recognize the provided codec tag.

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Patch by Sebastian Vater <cdgs basty googlemail com>.



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Patch by Sebastian Vater <cdgs basty googlemail com>.



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addition.

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top_field_first in AVFilterPicRef, done in r23044.

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The decodeplane8() function processes one byte of input less than
it should.  Also, the for loop has an unusual style with side-effects
in the controlling expression; replaced with a more intuitive while
loop.

10l to Basty.

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Use the numeric value assigned to sws_flags for the sws_flags set in
the graph, rather than the string "bilinear", which is not even
parsable by the scale filter.

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causes linking errors instead of avoiding them.


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