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Diffstat (limited to 'media/libstagefright/codecs/on2/h264dec/source/arm11_asm/h264bsd_interpolate_ver_half.s')
| -rwxr-xr-x | media/libstagefright/codecs/on2/h264dec/source/arm11_asm/h264bsd_interpolate_ver_half.s | 347 |
1 files changed, 0 insertions, 347 deletions
diff --git a/media/libstagefright/codecs/on2/h264dec/source/arm11_asm/h264bsd_interpolate_ver_half.s b/media/libstagefright/codecs/on2/h264dec/source/arm11_asm/h264bsd_interpolate_ver_half.s deleted file mode 100755 index 244fc6f..0000000 --- a/media/libstagefright/codecs/on2/h264dec/source/arm11_asm/h264bsd_interpolate_ver_half.s +++ /dev/null @@ -1,347 +0,0 @@ -; Copyright (C) 2009 The Android Open Source Project -; -; Licensed under the Apache License, Version 2.0 (the "License"); -; you may not use this file except in compliance with the License. -; You may obtain a copy of the License at -; -; http://www.apache.org/licenses/LICENSE-2.0 -; -; Unless required by applicable law or agreed to in writing, software -; distributed under the License is distributed on an "AS IS" BASIS, -; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -; See the License for the specific language governing permissions and -; limitations under the License. - -;------------------------------------------------------------------------------- -;-- -;-- Abstract : ARMv6 optimized version of h264bsdInterpolateVerHalf function -;-- -;------------------------------------------------------------------------------- - - - IF :DEF: H264DEC_WINASM - ;// We dont use REQUIRE8 and PRESERVE8 for winasm - ELSE - REQUIRE8 - PRESERVE8 - ENDIF - - AREA |.text|, CODE - -;// h264bsdInterpolateVerHalf register allocation - -ref RN 0 - -mb RN 1 -buff RN 1 - -count RN 2 -x0 RN 2 - -res RN 3 -y0 RN 3 - -tmp1 RN 4 - -tmp2 RN 5 -height RN 5 - -tmp3 RN 6 -partW RN 6 - -tmp4 RN 7 -partH RN 7 - -tmp5 RN 8 -tmp6 RN 9 - -tmpa RN 10 -tmpb RN 11 -width RN 12 - -plus16 RN 14 - - -;// function exports and imports - - IMPORT h264bsdFillBlock - - EXPORT h264bsdInterpolateVerHalf - -;// Approach to vertical interpolation -;// -;// Interpolation is done by using 32-bit loads and stores -;// and by using 16 bit arithmetic. 4x4 block is processed -;// in each round. -;// -;// |a_11|a_11|a_11|a_11|...|a_1n|a_1n|a_1n|a_1n| -;// |b_11|b_11|b_11|b_11|...|b_1n|b_1n|b_1n|b_1n| -;// |c_11|c_11|c_11|c_11|...|c_1n|c_1n|c_1n|c_1n| -;// |d_11|d_11|d_11|d_11|...|d_1n|d_1n|d_1n|d_1n| -;// .. -;// .. -;// |a_m1|a_m1|a_m1|a_m1|... -;// |b_m1|b_m1|b_m1|b_m1|... -;// |c_m1|c_m1|c_m1|c_m1|... -;// |d_m1|d_m1|d_m1|d_m1|... - -h264bsdInterpolateVerHalf - STMFD sp!, {r0-r11, lr} - SUB sp, sp, #0x1e4 - - CMP x0, #0 - BLT do_fill ;// (x0 < 0) - LDR partW, [sp,#0x220] ;// partWidth - ADD tmp5, x0, partW ;// (x0+partWidth) - LDR width, [sp,#0x218] ;// width - CMP tmp5, width - BHI do_fill ;// (x0+partW)>width - - CMP y0, #0 - BLT do_fill ;// (y0 < 0) - LDR partH, [sp,#0x224] ;// partHeight - ADD tmp6, y0, partH ;// (y0+partHeight) - ADD tmp6, tmp6, #5 ;// (y0+partH+5) - LDR height, [sp,#0x21c] ;// height - CMP tmp6, height - BLS skip_fill ;// no overfill needed - - -do_fill - LDR partH, [sp,#0x224] ;// partHeight - ADD tmp5, partH, #5 ;// r2 = partH + 5; - LDR height, [sp,#0x21c] ;// height - LDR partW, [sp,#0x220] ;// partWidth - STMIB sp, {height, partW} ;// sp+4 = height, sp+8 = partWidth - STR tmp5, [sp,#0xc] ;// sp+c partHeight+5 - STR partW, [sp,#0x10] ;// sp+10 = partWidth - LDR width, [sp,#0x218] ;// width - STR width, [sp,#0] ;// sp+0 = width - ADD buff, sp, #0x28 ;// buff = p1[21*21/4+1] - BL h264bsdFillBlock - - MOV x0, #0 - STR x0,[sp,#0x1ec] ;// x0 = 0 - STR x0,[sp,#0x1f0] ;// y0 = 0 - ADD ref,sp,#0x28 ;// ref = p1 - STR partW, [sp,#0x218] - - -skip_fill - LDR x0 ,[sp,#0x1ec] ;// x0 - LDR y0 ,[sp,#0x1f0] ;// y0 - LDR width, [sp,#0x218] ;// width - MLA tmp6, width, y0, x0 ;// y0*width+x0 - ADD ref, ref, tmp6 ;// ref += y0*width+x0 - LDR mb, [sp, #0x1e8] ;// mb - - ADD count, partW, partH, LSL #16 ;// |partH|partW| - LDR tmp5, = 0x00010001 - SSUB16 count, count, tmp5; ;// |partH-1|partW-1| - LDR plus16, = 0x00100010 - - AND tmp1, count, #0x000000FF ;// partWidth - - -loop_y - ADD count, count, tmp1, LSL #24 ;// partWidth-1 to top byte - -loop_x - LDR tmp1, [ref], width ;// |a4|a3|a2|a1| - LDR tmp2, [ref], width ;// |c4|c3|c2|c1| - LDR tmp3, [ref], width ;// |g4|g3|g2|g1| - LDR tmp4, [ref], width ;// |m4|m3|m2|m1| - LDR tmp5, [ref], width ;// |r4|r3|r2|r1| - LDR tmp6, [ref], width ;// |t4|t3|t2|t1| - - ;// first four pixels - UXTB16 tmpa, tmp3 ;// |g3|g1| - UXTAB16 tmpa, tmpa, tmp4 ;// |g3+m3|g1+m1| - UXTB16 tmpb, tmp2 ;// |c3|c1| - ADD tmpa, tmpa, tmpa, LSL #2 ;// 5(G+M) - - UXTAB16 tmpb, tmpb, tmp5 ;// |c3+r3|c1+r1| - ADD tmpa, plus16, tmpa, LSL #2 ;// 16+20(G+M) - UXTAB16 tmpa, tmpa, tmp1 ;// 16+20(G+M)+A - UXTAB16 tmpa, tmpa, tmp6 ;// 16+20(G+M)+A+T - - ADD tmpb, tmpb, tmpb, LSL #2 ;// 5(C+R) - SSUB16 tmpa, tmpa, tmpb ;// 16+20(G+M)+(A+T)-5(C+R) - - USAT16 tmpb, #13, tmpa ;// saturate - LDR res, = 0x00FF00FF - UXTB16 tmpa, tmp3, ROR #8 ;// |g4|g2| - UXTAB16 tmpa, tmpa, tmp4, ROR #8 ;// |g4+m4|g2+m2| - AND res, res, tmpb, LSR #5 ;// mask and divide by 32 - - ADD tmpa, tmpa, tmpa, LSL #2 ;// 5(G+M) - UXTB16 tmpb, tmp2, ROR #8 ;// |c4|c2| - ADD tmpa, plus16, tmpa, LSL #2 ;// 16+20(G+M) - UXTAB16 tmpb, tmpb, tmp5, ROR #8 ;// |c4+r4|c2+r2| - UXTAB16 tmpa, tmpa, tmp1, ROR #8 ;// 16+20(G+M)+A - UXTAB16 tmpa, tmpa, tmp6, ROR #8 ;// 16+20(G+M)+A+T - - ADD tmpb, tmpb, tmpb, LSL #2 ;// 5(C+R) - SSUB16 tmpa, tmpa, tmpb ;// 16+20(G+M)+(A+T)-5(C+R) - - USAT16 tmpb, #13, tmpa ;// saturate - LDR tmp1, [ref], width - LDR tmpa, = 0xFF00FF00 - - AND tmpa, tmpa, tmpb, LSL #3 ;// mask and divede by 32 - ORR res, res, tmpa - STR res, [mb], #16 ;// next row (mb) - - ;// tmp2 = |a4|a3|a2|a1| - ;// tmp3 = |c4|c3|c2|c1| - ;// tmp4 = |g4|g3|g2|g1| - ;// tmp5 = |m4|m3|m2|m1| - ;// tmp6 = |r4|r3|r2|r1| - ;// tmp1 = |t4|t3|t2|t1| - - ;// second four pixels - UXTB16 tmpa, tmp4 ;// |g3|g1| - UXTAB16 tmpa, tmpa, tmp5 ;// |g3+m3|g1+m1| - UXTB16 tmpb, tmp3 ;// |c3|c1| - ADD tmpa, tmpa, tmpa, LSL #2 ;// 5(G+M) - UXTAB16 tmpb, tmpb, tmp6 ;// |c3+r3|c1+r1| - ADD tmpa, plus16, tmpa, LSL #2 ;// 16+20(G+M) - UXTAB16 tmpa, tmpa, tmp2 ;// 16+20(G+M)+A - UXTAB16 tmpa, tmpa, tmp1 ;// 16+20(G+M)+A+T - - ADD tmpb, tmpb, tmpb, LSL #2 ;// 5(C+R) - SSUB16 tmpa, tmpa, tmpb ;// 16+20(G+M)+(A+T)-5(C+R) - - USAT16 tmpb, #13, tmpa ;// saturate - LDR res, = 0x00FF00FF - UXTB16 tmpa, tmp4, ROR #8 ;// |g4|g2| - UXTAB16 tmpa, tmpa, tmp5, ROR #8 ;// |g4+m4|g2+m2| - AND res, res, tmpb, LSR #5 ;// mask and divide by 32 - - ADD tmpa, tmpa, tmpa, LSL #2 ;// 5(G+M) - UXTB16 tmpb, tmp3, ROR #8 ;// |c4|c2| - ADD tmpa, plus16, tmpa, LSL #2 ;// 16+20(G+M) - UXTAB16 tmpb, tmpb, tmp6, ROR #8 ;// |c4+r4|c2+r2| - UXTAB16 tmpa, tmpa, tmp2, ROR #8 ;// 16+20(G+M)+A - UXTAB16 tmpa, tmpa, tmp1, ROR #8 ;// 16+20(G+M)+A+T - - ADD tmpb, tmpb, tmpb, LSL #2 ;// 5(C+R) - SSUB16 tmpa, tmpa, tmpb ;// 16+20(G+M)+(A+T)-5(C+R) - - USAT16 tmpb, #13, tmpa ;// saturate - LDR tmp2, [ref], width - LDR tmpa, = 0xFF00FF00 - - AND tmpa, tmpa, tmpb, LSL #3 ;// mask and divide by 32 - ORR res, res, tmpa - STR res, [mb], #16 ;// next row - - ;// tmp3 = |a4|a3|a2|a1| - ;// tmp4 = |c4|c3|c2|c1| - ;// tmp5 = |g4|g3|g2|g1| - ;// tmp6 = |m4|m3|m2|m1| - ;// tmp1 = |r4|r3|r2|r1| - ;// tmp2 = |t4|t3|t2|t1| - - ;// third four pixels - UXTB16 tmpa, tmp5 ;// |g3|g1| - UXTAB16 tmpa, tmpa, tmp6 ;// |g3+m3|g1+m1| - UXTB16 tmpb, tmp4 ;// |c3|c1| - ADD tmpa, tmpa, tmpa, LSL #2 ;// 5(G+M) - UXTAB16 tmpb, tmpb, tmp1 ;// |c3+r3|c1+r1| - ADD tmpa, plus16, tmpa, LSL #2 ;// 16+20(G+M) - UXTAB16 tmpa, tmpa, tmp3 ;// 16+20(G+M)+A - UXTAB16 tmpa, tmpa, tmp2 ;// 16+20(G+M)+A+T - - ADD tmpb, tmpb, tmpb, LSL #2 ;// 5(C+R) - SSUB16 tmpa, tmpa, tmpb ;// 16+20(G+M)+(A+T)-5(C+R) - - USAT16 tmpb, #13, tmpa ;// saturate - LDR res, = 0x00FF00FF - UXTB16 tmpa, tmp5, ROR #8 ;// |g4|g2| - UXTAB16 tmpa, tmpa, tmp6, ROR #8 ;// |g4+m4|g2+m2| - AND res, res, tmpb, LSR #5 ;// mask and divide by 32 - - ADD tmpa, tmpa, tmpa, LSL #2 ;// 5(G+M) - UXTB16 tmpb, tmp4, ROR #8 ;// |c4|c2| - ADD tmpa, plus16, tmpa, LSL #2 ;// 16+20(G+M) - UXTAB16 tmpb, tmpb, tmp1, ROR #8 ;// |c4+r4|c2+r2| - UXTAB16 tmpa, tmpa, tmp3, ROR #8 ;// 16+20(G+M)+A - UXTAB16 tmpa, tmpa, tmp2, ROR #8 ;// 16+20(G+M)+A+T - - - ADD tmpb, tmpb, tmpb, LSL #2 ;// 5(C+R) - SSUB16 tmpa, tmpa, tmpb ;// 16+20(G+M)+(A+T)-5(C+R) - - USAT16 tmpb, #13, tmpa ;// saturate - LDR tmp3, [ref] - LDR tmpa, = 0xFF00FF00 - - ;// decrement loop_x counter - SUBS count, count, #4<<24 ;// (partWidth-1) -= 4; - - AND tmpa, tmpa, tmpb, LSL #3 ;// mask and divide by 32 - ORR res, res, tmpa - STR res, [mb], #16 ;// next row - - ;// tmp4 = |a4|a3|a2|a1| - ;// tmp5 = |c4|c3|c2|c1| - ;// tmp6 = |g4|g3|g2|g1| - ;// tmp1 = |m4|m3|m2|m1| - ;// tmp2 = |r4|r3|r2|r1| - ;// tmp3 = |t4|t3|t2|t1| - - ;// fourth four pixels - UXTB16 tmpa, tmp6 ;// |g3|g1| - UXTAB16 tmpa, tmpa, tmp1 ;// |g3+m3|g1+m1| - UXTB16 tmpb, tmp5 ;// |c3|c1| - ADD tmpa, tmpa, tmpa, LSL #2 ;// 5(G+M) - UXTAB16 tmpb, tmpb, tmp2 ;// |c3+r3|c1+r1| - ADD tmpa, plus16, tmpa, LSL #2 ;// 16+20(G+M) - UXTAB16 tmpa, tmpa, tmp4 ;// 16+20(G+M)+A - UXTAB16 tmpa, tmpa, tmp3 ;// 16+20(G+M)+A+T - - ADD tmpb, tmpb, tmpb, LSL #2 ;// 5(C+R) - SSUB16 tmpa, tmpa, tmpb ;// 16+20(G+M)+(A+T)-5(C+R) - - USAT16 tmpb, #13, tmpa ;// saturate - LDR res, = 0x00FF00FF - UXTB16 tmpa, tmp6, ROR #8 ;// |g4|g2| - UXTAB16 tmpa, tmpa, tmp1, ROR #8 ;// |g4+m4|g2+m2| - AND res, res, tmpb, LSR #5 ;// mask and divide by 32 - - ADD tmpa, tmpa, tmpa, LSL #2 ;// 5(G+M) - UXTB16 tmpb, tmp5, ROR #8 ;// |c4|c2| - ADD tmpa, plus16, tmpa, LSL #2 ;// 16+20(G+M) - UXTAB16 tmpb, tmpb, tmp2, ROR #8 ;// |c4+r4|c2+r2| - UXTAB16 tmpa, tmpa, tmp4, ROR #8 ;// 16+20(G+M)+A - UXTAB16 tmpa, tmpa, tmp3, ROR #8 ;// 16+20(G+M)+A+T - - ADD tmpb, tmpb, tmpb, LSL #2 ;// 5(C+R) - SSUB16 tmpa, tmpa, tmpb ;// 16+20(G+M)+(A+T)-5(C+R) - - USAT16 tmpb, #13, tmpa ;// saturate - LDR tmp4, = 0xFF00FF00 - - ;// calculate "ref" address for next round - SUB ref, ref, width, LSL #3 ;// ref -= 8*width; - ADD ref, ref, #4; ;// next column (4 pixels) - AND tmpa, tmp4, tmpb, LSL #3 ;// mask and divide by 32 - ORR res, res, tmpa - STR res, [mb], #-44 - - BCS loop_x - - ADDS count, count, #252<<16 ;// (partHeight-1) -= 4; - ADD ref, ref, width, LSL #2 ;// ref += 4*width - AND tmp1, count, #0x000000FF ;// partWidth-1 - ADD tmp2, tmp1, #1 ;// partWidth - SUB ref, ref, tmp2 ;// ref -= partWidth - ADD mb, mb, #64; - SUB mb, mb, tmp2; ;// mb -= partWidth - BGE loop_y - - ADD sp,sp,#0x1f4 - LDMFD sp!, {r4-r11, pc} - - END |