aec.rar_TI的aec算法_dm6467_dm6467 ccs_比较好Aec算法_消回声

#include <xdc/std.h> #include <ti/sdo/ce/visa.h> #include <ti/sdo/ce/examples/codecs/scale/iscale.h> #include <ti/sdo/ce/osal/Memory.h> #include "aec.h" #include "_aec.h" static XDAS_Int32 process(IAEC_Handle h, XDM1_BufDesc *inBufDesc, XDM1_BufDesc *outBufDesc, IAec_InArgs *inArgs, IAec_OutArgs *outArgs); static XDAS_Int32 control(IAEC_Handle h, IAEC_Cmd id, IAec_DynamicParams *params); /* * Stubs must implement the interface they "stub" for. This scale stub * proxy's for ISCALE_Fxns, which is IALG + process() and control(). * * Note that the IALG fxns for the stub currently aren't called, so * they're all set to NULL. */ IAEC_Fxns IAEC_STUBS = { {&IAEC_STUBS, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, process, control, }; /* * ======== process ======== * This is the stub-implementation for the process method */ static XDAS_Int32 process(IAEC_Handle h, XDM1_BufDesc *inBufDesc, XDM1_BufDesc *outBufDesc, IAec_InArgs *inArgs, IAec_OutArgs *outArgs) { XDAS_Int32 i = 0; XDAS_Int32 retVal; VISA_Handle visa = (VISA_Handle)h; _IAEC_Msg *msg; /* get a message appropriate for this algorithm */ if ((msg = (_IAEC_Msg *)VISA_allocMsg(visa)) == NULL) { return (IAEC_ERUNTIME); } /* Specify the processing command that the skeleton should do */ msg->visa.cmd = _AEC_CPROCESS; /* inBuf is a pointer, so we have to convert it */ msg->cmd.process.inBufDesc.numBufs = inBufDesc->numBufs; for (i = 0; i < inBufDesc->numBufs; i++) { msg->cmd.process.inBufDesc.descs[i].buf = (XDAS_Int8 *) Memory_getBufferPhysicalAddress(inBufDesc->descs[i].buf, inBufDesc->descs[i].bufSize, NULL); if (msg->cmd.process.inBufDesc.descs[i].buf == NULL) { retVal = IAEC_ERUNTIME; goto exit; } msg->cmd.process.inBufDesc.descs[i].bufSize = inBufDesc->descs[i].bufSize; } /* Similarly with outBuf. Note that inArgs and outArgs contain no * pointers, so we can simply copy the entire original structure. */ msg->cmd.process.outBufDesc.descs[0].buf = (XDAS_Int8 *) Memory_getBufferPhysicalAddress(outBufDesc->descs[0].buf, outBufDesc->descs[0].bufSize, NULL); if (msg->cmd.process.outBufDesc.descs[0].buf == NULL) { retVal = IAEC_ERUNTIME; goto exit; } msg->cmd.process.outBufDesc.descs[0].bufSize = outBufDesc->descs[0].bufSize; /* inArgs has no pointers, so simply copy the struct fields into the msg */ msg->cmd.process.inArgs = *inArgs; msg->cmd.process.outArgs = *outArgs; /* Note that outArgs is *output* and need not be provided to the skel */ /* send the message to the skeleton and wait for completion */ retVal = VISA_call(visa, (VISA_Msg *)&msg); /* copy out the outArgs */ *outArgs = msg->cmd.process.outArgs; /* Note that we need not copy inArgs out of the msg. */ /* * Note that we don't have to do any reverse address translation, as the * originally provided buffers haven't changed. */ exit: VISA_freeMsg(visa, (VISA_Msg)msg); return (retVal); } /* * ======== control ======== * This is the stub-implementation for the control method */ static XDAS_Int32 control(IAEC_Handle h, IAEC_Cmd id, IAec_DynamicParams *params) { XDAS_Int32 retVal; VISA_Handle visa = (VISA_Handle)h; _IAEC_Msg *msg; /* get a message appropriate for this algorithm */ if ((msg = (_IAEC_Msg *)VISA_allocMsg(visa)) == NULL) { return (IAEC_ERUNTIME); } /* marshall the command */ msg->visa.cmd = _AEC_CCONTROL; msg->cmd.control.id = id; /* no pointers, just copy the dynamic params struct into the msg */ msg->cmd.control.params = *params; /* send the message to the skeleton and wait for completion */ retVal = VISA_call(visa, (VISA_Msg *)&msg); /* nothing to unmarshall, just free the msg. */ VISA_freeMsg(visa, (VISA_Msg)msg); return (retVal); } /* * @(#) ti.sdo.ce.examples.extensions.scale; 1, 0, 0,155; 11-11-2008 00:30:13; /db/atree/library/trees/ce-j10x/src/ */