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(Problem analyzed by Uoti Urpala)


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extension, or enhanced coupling


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'buffer_size' URL option. 

Patch by Jindrich Makovicka, makovick at gmail dot com



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This is a bugfix for ARMv4 assembly implementation of 'j_rev_dct'
function.

The problem was in the incorrect partially empty row detection. Even
if the first two coefficients in the row were nonzero, it handled this
just like the case with only the first nonzero coefficient.

Now this function produces exactly the same output as the stripped
down reference C version of 'j_rev_dct' (with the nested checks like
'if (d6) { if (d2) { ...' always evaluated as true, avoiding shortcut
branches).

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patch by Kenan Gillet, kenan.gillet gmail com


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Patch by Martin Storsjö, martin at martin dot st



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patch by Kenan Gillet, kenan.gillet gmail com


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av_codec_get_tag() functions, making them take in input a constant
array, since they're not supposed to change it. Fix some warnings.


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during calculating.


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Based on a patch by Ramiro.


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for both RV3 and RV4, so move it into common code.


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