diff options
Diffstat (limited to 'media/libstagefright/codecs/on2/h264dec/omxdl/arm11/vc/comm/src/omxVCCOMM_Copy8x8_s.s')
| -rw-r--r-- | media/libstagefright/codecs/on2/h264dec/omxdl/arm11/vc/comm/src/omxVCCOMM_Copy8x8_s.s | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/on2/h264dec/omxdl/arm11/vc/comm/src/omxVCCOMM_Copy8x8_s.s b/media/libstagefright/codecs/on2/h264dec/omxdl/arm11/vc/comm/src/omxVCCOMM_Copy8x8_s.s new file mode 100644 index 0000000..993873c --- /dev/null +++ b/media/libstagefright/codecs/on2/h264dec/omxdl/arm11/vc/comm/src/omxVCCOMM_Copy8x8_s.s @@ -0,0 +1,72 @@ + ;/** + ; * Function: omxVCCOMM_Copy8x8 + ; * + ; * Description: + ; * Copies the reference 8x8 block to the current block. + ; * Parameters: + ; * [in] pSrc - pointer to the reference block in the source frame; must be aligned on an 8-byte boundary. + ; * [in] step - distance between the starts of consecutive lines in the reference frame, in bytes; + ; * must be a multiple of 8 and must be larger than or equal to 8. + ; * [out] pDst - pointer to the destination block; must be aligned on an 8-byte boundary. + ; * Return Value: + ; * OMX_Sts_NoErr - no error + ; * OMX_Sts_BadArgErr - bad arguments; returned under any of the following conditions: + ; * - one or more of the following pointers is NULL: pSrc, pDst + ; * - one or more of the following pointers is not aligned on an 8-byte boundary: pSrc, pDst + ; * - step <8 or step is not a multiple of 8. + ; */ + + INCLUDE omxtypes_s.h + + + M_VARIANTS ARM1136JS + + + + + IF ARM1136JS + +;//Input Arguments +pSrc RN 0 +pDst RN 1 +step RN 2 + +;//Local Variables +Count RN 14 +X0 RN 2 +X1 RN 4 +Return RN 0 + M_START omxVCCOMM_Copy8x8,r5 + + + + MOV Count,step ;//Count=step + + LDRD X0,[pSrc],Count ;//pSrc after loading : pSrc=pSrc+step + LDRD X1,[pSrc],Count + + STRD X0,[pDst],#8 + LDRD X0,[pSrc],Count + STRD X1,[pDst],#8 + LDRD X1,[pSrc],Count + + STRD X0,[pDst],#8 + LDRD X0,[pSrc],Count + STRD X1,[pDst],#8 + LDRD X1,[pSrc],Count + + STRD X0,[pDst],#8 + LDRD X0,[pSrc],Count + STRD X1,[pDst],#8 + LDRD X1,[pSrc],Count + + STRD X0,[pDst],#8 + MOV Return,#OMX_Sts_NoErr + STRD X1,[pDst],#8 + + + M_END + ENDIF + + END +
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