/* * Save I_PCM Y samples to Y picture buffer * Copyright © <2010>, Intel Corporation. * * This program is licensed under the terms and conditions of the * Eclipse Public License (EPL), version 1.0. The full text of the EPL is at * http://www.opensource.org/licenses/eclipse-1.0.php. * */ // Module name: save_I_PCM.asm // // First save I_PCM Y samples to Y picture buffer // mov (1) MSGSRC.2:ud 0x000F000F:ud {NoDDClr} // Block width and height (16x16) shl (2) MSGSRC.0:ud ORIX<2;2,1>:ub 4:w {NoDDChk} // Convert MB origin in pixel unit add (1) MSGDSC REG_MBAFF_FIELD<0;1,0>:uw MSG_LEN(8)+DWBWMSGDSC_WC+DESTY:ud // Set message descriptor $for(0; <8; 2) { mov (32) MSGPAYLOAD(%1)<1> I_PCM_Y(%1)REGION(16,1) {Compr,NoDDClr} mov (32) MSGPAYLOAD(%1,16)<1> I_PCM_Y(%1,16)REGION(16,1) {Compr,NoDDChk} } send (8) REG_WRITE_COMMIT_Y<1>:ud MSGHDR MSGSRC<8;8,1>:ud DAPWRITE MSGDSC // Then save I_PCM U/V samples to U/V picture buffer // mov (1) MSGHDR.2:ud 0x0007000F:ud {NoDDClr} // Block width and height (16x8) asr (1) MSGHDR.1:ud MSGSRC.1<0;1,0>:ud 1:w {NoDDChk} // Y offset should be halved add (1) MSGDSC MSGDSC 0x0-MSG_LEN(4)+0x1:d // Set message descriptor for U/V #if 0 and.z.f0.0 (1) NULLREG REG_CHROMA_FORMAT_IDC CHROMA_FORMAT_IDC:ud (f0.0) jmpi (1) MONOCHROME_I_PCM #endif #ifndef MONO // Non-monochrome picture // $for(0,0; <4; 2,1) { mov (16) MSGPAYLOAD(%1)<2> I_PCM_UV(%2)REGION(16,1) // U data mov (16) MSGPAYLOAD(%1,1)<2> I_PCM_UV(%2+2)REGION(16,1) // V data mov (16) MSGPAYLOAD(%1+1)<2> I_PCM_UV(%2,16)REGION(16,1) // U data mov (16) MSGPAYLOAD(%1+1,1)<2> I_PCM_UV(%2+2,16)REGION(16,1) // V data } #else // defined(MONO) MONOCHROME_I_PCM: $for(0; <4; 2) { mov (16) MSGPAYLOADD(%1)<1> 0x80808080:ud {Compr} } #endif // !defined(MONO) send (8) REG_WRITE_COMMIT_UV<1>:ud MSGHDR null:ud DAPWRITE MSGDSC // End of save_I_PCM