[prev in list] [next in list] [prev in thread] [next in thread] List: flac-dev Subject: [flac-dev] [PATCH] Support 64-bit brword/bwword From: lvqcl <lvqcl.mail () gmail ! com> Date: 2015-12-31 11:54:52 Message-ID: op.yaibdqxgcba0by () userhome-pc [Download RAW message or body] Here is the patch that allows to set FLAC__BYTES_PER_WORD to 8. This is disabled by default though. To test FLAC__BYTES_PER_WORD==8: open src/libFLAC/bitreader.c, src/libFLAC/bitwriter.c, src/test_libFLAC/bitwriter.c and change '#if 1' to '#if 0'. The value of FLAC__BYTES_PER_WORD must be the same in src/libFLAC/bitwriter.c and src/test_libFLAC/bitwriter.c. OTOH, their value in src/libFLAC/bitwriter.c and src/libFLAC/bitwriter.c are independent, so sizeof(brword) can be 4 while sizeof(bwword)==8. Please check the definition of ENDSWAP_64(x): I don't know when it's available on Linux, and what's the best non-intrinsic version of this function. Performance tests, correctness tests, comments are welcome. ["word_64bit.patch.zip" (word_64bit.patch.zip)] PK L_G^I+ ۅ word_64bit.patch<isF_1Q*6)-ʲeyZrzyHEX \ 1 I]ɫ03w`hFZan[ \ ?6=-?7=ٰPZZR4nQVn%7Qm*(WK ?0k \ ,Ƕ)fo]:r( 03,#Fj`6Ćq(GлpχhwS*/-o53۷ܾnmg|AHp0}<2y|^(loπ_wt qV/^жAMlm/]U681c$XTvUKZ[N<6^:Z玄t*rg=5l%YYr\6>ݔ3Qy$~|W_| OL.l/-Yk16 =R_ޤ8K!Z#Qx\a[A`*>4\&S˹$/VG'if6딈~<8h:=9|x<=$(TU AߜmPz('JevwQkVku:Q#2{J*"T6L\)+XҰ\@PK12}@cÅ߃1"hz \ o֯|xqugb06Kz2 \ ̵mwRh<)3+ľ8.01s1mlm pW \ [lG0s=8@Wk(5=>0tY+?+{u \ "|w$(2<e}\>5O-P>z$JyɤIJp|n|>;-dQDn'^Şʄ \ TШ?۩(f$ ^֘B d٬ZHsmg?ƍOT2Wx{ԙ \ ߌpT-` i[hd]*MXB.u$ozSQm 7B K:#5F^քД \ 6vUۄ .wΜُ\Bֹ@ꔨAiAA^tfe-mlmm]Oi1KG8GiįQa'(^H~C2qco \ Ƀ5K_ئwI?p-tO٤H!d\ʎ(7M|X rCn;?>| \ ſžv:Ll8s zA o[99: n:2m&0 aVC0[Y ̴5 Dy.Gd r'S[21H`Z6N7T Ew Roؚ0c$YBdHz -(Ss`{hρR ݣĥzAbn[((_W%Vi5ڵ`uw KA2&vo)h0^%2J, Jь=yiE<^ im=w{_ MvIw껮-Bw \ TBV|a`0@ \ W*̭MqPO&{It"%9v+%@eҵ@>*<Hk@X&1k!QcB щu@SYW. \ q> :rEA w.BFC4tb߈J)UFJh,W_gi1̰[T-/wBjex"'wJ, !` \ 8-?6tAu LA&nKF9[9Ym LEE| \ DU#qJ(η^ \ (I#BBLgai/.QxT.c^OnHz%.7X~0="`YF6_(VrwnH# !<-kITjJ]EyϐHcf.u?˒z|ru=[MVMR \ q{,.bS9)jPC.ۏ{F/QFxGQU`k=} \ {LҢܪw$q1MEIrrz,@➁h?ٳg[ң FS8* \ @Y$$RM~7fSWL-fDo~u"05օ- \ Q+Ŀ@Z`u"X_G[G#T>N`2[z\7TԈAvvŒyQ%9e LWv?E~%rGd 0c Ŵd1b1%Pr \ /*i~*hT"""pU_nzV{"9ɳ%K{͘/P @>1qG~ \ /Q_= v0p06X \ '@\sɋ9,Xf-Kؚk-/ؼP "R =+eq*](% \ .⟗Ns,E xL \ 5;OS,I~<3C?qi89r.-N FA/3R,(d'BUd \ r9I^6ζl^R8PQMhQ=! \ -'LNYsM3e/_jfwXH,'%@9Ly},c@]͓W\xH2gK<O`:`5uaL-ĴܹiFˁ94#1h[X'9 \ Tq/JNA*K'PU@1LەF>x^?_3,-M䰗J`gJLm\s?s \ b<#!5HhR(ezqRm_| ѷG0bȐ#k]][F[Z̹R|lٲ \ &2-e+ʩ犭$,KkN5ۊجی4aT(w;]Z3tÜM9TLKNW+i|~M[Wіl^^G,ZMۻ|"2+ \ &r*B[B XI_;#4]Hמ!Rז6bl)JwҽtAxm'2߲(I-[$=-B^b-Jg[)xHIz>kD57xB \ b4sTY"98`Bh6QzMnO&D9ϛMS:r%]6 \ b`6ZbTE+Ӿ,][cG9ɄV? + {Brw) E!S'&q&6J" m) ʘZ E*ee.}:.$IE!<F&*1$@$K1Ə 9U`0pVBolԷN"9ۜ ZZ91^<7`,ZM|cKXW͉7 3^a#7S(vH#5OɰiCcJyRą+i,YDRX&{ \ Sdܳ3:r4vQl-=<>Bv3Ӥ3vB<9J?Ŋx&bL3!3T~RR_T?+xVm \ Е>ah<v2k Kϝ=vmBZ$uk?r5@uPGyPݝbA8jj3 x \ *&Er h!ؒc!*|`KcO'`Ihudmv+ \ ?\d;"/C/?@̊9ÐD \ Exr"1j71LXy?:?~wԮvlKZ,HQʊVfqqvqx R<uA'a*,<S3yKX<g ~ ^ۋmt+5USRS)H< \ wz ϓ') ;O8jiP \ Pw:NdPU9i|7R(^^Eӭ<A5@Q鋜!O+SH@G9 \ *Ҩѥfw!zCytIc2ts&CF착QZ8LŒ]s*AHb0tF1BYeAUP \ [iS`~?J82y72|!u{"~2:=FQ/hg4X7*hW<O4S]ͪo^)7 ,BXBظ$aj"l *'rYRU`u(0ex<P/Y_gw)X^c+k~Swǖ<DP \ H#z%-(ʍ؉̈́SnjXa1$ \=a߱?TALժDiVz+ \ j~j2\"TrR) L[Gپ2~܉XB=1WE5Yӧ b \ )ψGk)b_~uaN%:9bq!2V0?86AKy rry [JAlj_58ڑj)l[5'U|vm*GV:fnUԣJ| 7p6 \ -\*|4er9i3nojtl>\g2!:rF \ | :G)6}$nN(7)v\]@͵ZN'ZH9%*,҈ \ i1l7x)gPz-w~%k3011ovj٬{Aiq#-UyX"75 u,]^]HZ MA|: En6 c 9ifߖ{ׇ\t3:uA: U<q|; 7y` ߀)?dT[~^H^ےx\=G e(H/Z0RZiE\z`0)$W\x]&ln;yv+tF/v1O_Gg>@(r^ \ }%Qt89SMuytDF \ w%Z0|:GDPU5ljpK"Ox{֏YK-DQ>0s7VCv6M+Q(?\9Js(+^ι&Ņf c_=^[tÀ аlY,QNnas;,&W.67+ov;~^ {v{sD> _gA۸{(6+ F1 μ \ yjSt, '%<[j;"O \ Zڕa'ƫt{\]B7nAOwȏ^2i1qD"&g \ ѽJTYMل%̙t<3֜7Q1Q4B鯇[:]Ci^ro \ 7R_XgơuUCl4XCE/gt[<֯ƊH|1~^x \ %\Dh<-hk&D)Kϋ^^D-hGZX<~C"jx,HR/hCӜXA:ʈj~x \ [qP*& L "E _U_]]ss!?xZѩp$I= Szoz-T#$ \ ?|VGLA4yZR{ȥwG4ii>2Z?Jz?J+ \ }ESj6+ztǘEvSI'5P#Tfl/elS&$VwѤ69!sABnb \ nM.vn )Y+STO>{?6_(f{a?Wje57HG <48 \ 8;0x1N8g3NhӬ? IAW-3@f{rL: \ Bڶh*U}U8;{Q)J \ B/Yj!}"@{ـl8^$KACyh\ k`<5h :j) \ IC^(LdI, (Y &JGf$-m(*-q2ЙȘ<6z39!)V(%FwT[m7jr3ML(,DuT/Em-)Z0B0UJ PQ_!B*ê۔YXc֞_=h[iêۢYXc֬ߦYZQ1]^6ni݆VtL]f>J\cSb;ҡĺ \ *w#h!Td #LsѾ \ dwʅ̹l2BwFAdAxp&5u3r-LoBql9<<wIýۿ^} L \ aBܦvĢو8(w.Al.?PK L_G^I+ ۅ \ word_64bit.patchPK >