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Diffstat (limited to 'media/libstagefright/codecs/on2/h264dec/source/arm_neon_asm_gcc/h264bsdWriteMacroblock.S')
| -rw-r--r-- | media/libstagefright/codecs/on2/h264dec/source/arm_neon_asm_gcc/h264bsdWriteMacroblock.S | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/on2/h264dec/source/arm_neon_asm_gcc/h264bsdWriteMacroblock.S b/media/libstagefright/codecs/on2/h264dec/source/arm_neon_asm_gcc/h264bsdWriteMacroblock.S new file mode 100644 index 0000000..495d560 --- /dev/null +++ b/media/libstagefright/codecs/on2/h264dec/source/arm_neon_asm_gcc/h264bsdWriteMacroblock.S @@ -0,0 +1,157 @@ +@ +@ 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. +@ + +#include "asm_common.S" + + require8 + preserve8 + + .arm + .fpu neon + .text + +/* Input / output registers */ +#define image r0 +#define data r1 +#define width r2 +#define luma r3 +#define cb r4 +#define cr r5 +#define cwidth r6 + +/* -- NEON registers -- */ + +#define qRow0 Q0.U8 +#define qRow1 Q1.U8 +#define qRow2 Q2.U8 +#define qRow3 Q3.U8 +#define qRow4 Q4.U8 +#define qRow5 Q5.U8 +#define qRow6 Q6.U8 +#define qRow7 Q7.U8 +#define qRow8 Q8.U8 +#define qRow9 Q9.U8 +#define qRow10 Q10.U8 +#define qRow11 Q11.U8 +#define qRow12 Q12.U8 +#define qRow13 Q13.U8 +#define qRow14 Q14.U8 +#define qRow15 Q15.U8 + +#define dRow0 D0.U8 +#define dRow1 D1.U8 +#define dRow2 D2.U8 +#define dRow3 D3.U8 +#define dRow4 D4.U8 +#define dRow5 D5.U8 +#define dRow6 D6.U8 +#define dRow7 D7.U8 +#define dRow8 D8.U8 +#define dRow9 D9.U8 +#define dRow10 D10.U8 +#define dRow11 D11.U8 +#define dRow12 D12.U8 +#define dRow13 D13.U8 +#define dRow14 D14.U8 +#define dRow15 D15.U8 + +/*------------------------------------------------------------------------------ + + Function: h264bsdWriteMacroblock + + Functional description: + Write one macroblock into the image. Both luma and chroma + components will be written at the same time. + + Inputs: + data pointer to macroblock data to be written, 256 values for + luma followed by 64 values for both chroma components + + Outputs: + image pointer to the image where the macroblock will be written + + Returns: + none + +------------------------------------------------------------------------------*/ + +function h264bsdWriteMacroblock, export=1 + PUSH {r4-r6,lr} + VPUSH {q4-q7} + + LDR width, [image, #4] + LDR luma, [image, #0xC] + LDR cb, [image, #0x10] + LDR cr, [image, #0x14] + + +@ Write luma + VLD1 {qRow0, qRow1}, [data]! + LSL width, width, #4 + VLD1 {qRow2, qRow3}, [data]! + LSR cwidth, width, #1 + VST1 {qRow0}, [luma,:128], width + VLD1 {qRow4, qRow5}, [data]! + VST1 {qRow1}, [luma,:128], width + VLD1 {qRow6, qRow7}, [data]! + VST1 {qRow2}, [luma,:128], width + VLD1 {qRow8, qRow9}, [data]! + VST1 {qRow3}, [luma,:128], width + VLD1 {qRow10, qRow11}, [data]! + VST1 {qRow4}, [luma,:128], width + VLD1 {qRow12, qRow13}, [data]! + VST1 {qRow5}, [luma,:128], width + VLD1 {qRow14, qRow15}, [data]! + VST1 {qRow6}, [luma,:128], width + + VLD1 {qRow0, qRow1}, [data]! ;//cb rows 0,1,2,3 + VST1 {qRow7}, [luma,:128], width + VLD1 {qRow2, qRow3}, [data]! ;//cb rows 4,5,6,7 + VST1 {qRow8}, [luma,:128], width + VLD1 {qRow4, qRow5}, [data]! ;//cr rows 0,1,2,3 + VST1 {qRow9}, [luma,:128], width + VLD1 {qRow6, qRow7}, [data]! ;//cr rows 4,5,6,7 + VST1 {qRow10}, [luma,:128], width + VST1 {dRow0}, [cb,:64], cwidth + VST1 {dRow8}, [cr,:64], cwidth + VST1 {qRow11}, [luma,:128], width + VST1 {dRow1}, [cb,:64], cwidth + VST1 {dRow9}, [cr,:64], cwidth + VST1 {qRow12}, [luma,:128], width + VST1 {dRow2}, [cb,:64], cwidth + VST1 {dRow10}, [cr,:64], cwidth + VST1 {qRow13}, [luma,:128], width + VST1 {dRow3}, [cb,:64], cwidth + VST1 {dRow11}, [cr,:64], cwidth + VST1 {qRow14}, [luma,:128], width + VST1 {dRow4}, [cb,:64], cwidth + VST1 {dRow12}, [cr,:64], cwidth + VST1 {qRow15}, [luma] + VST1 {dRow5}, [cb,:64], cwidth + VST1 {dRow13}, [cr,:64], cwidth + VST1 {dRow6}, [cb,:64], cwidth + VST1 {dRow14}, [cr,:64], cwidth + VST1 {dRow7}, [cb,:64] + VST1 {dRow15}, [cr,:64] + + VPOP {q4-q7} + POP {r4-r6,pc} +@ BX lr + + .endfunc + + + |