videnc_copy.rar_videnc

/* * Copyright 2007 * Texas Instruments Incorporated * * All rights reserved. Property of Texas Instruments Incorporated * Restricted rights to use, duplicate or disclose this code are * granted through contract. * */ /* * ======== videnc_copy.c ======== * Video Encoder "copy" algorithm. * * This file contains an implementation of the IALG interface * required by XDAS. */ #include <xdc/std.h> #include <string.h> #include <ti/xdais/dm/ividenc.h> #include <ti/sdo/ce/trace/gt.h> #include "videnc_copy_ti.h" #include "videnc_copy_ti_priv.h" /* buffer definitions */ #define MININBUFS 1 #define MINOUTBUFS 1 #define MININBUFSIZE 1 #define MINOUTBUFSIZE 1 extern IALG_Fxns VIDENCCOPY_TI_IALG; #define IALGFXNS \ &VIDENCCOPY_TI_IALG, /* module ID */ \ VIDENCCOPY_TI_activate, /* activate */ \ VIDENCCOPY_TI_alloc, /* alloc */ \ NULL, /* control (NULL => no control ops) */ \ VIDENCCOPY_TI_deactivate, /* deactivate */ \ VIDENCCOPY_TI_free, /* free */ \ VIDENCCOPY_TI_initObj, /* init */ \ NULL, /* moved */ \ NULL /* numAlloc (NULL => IALG_MAXMEMRECS) */ /* * ======== VIDENCCOPY_TI_IVIDENC ======== * This structure defines TI's implementation of the IVIDENC interface * for the VIDENCCOPY_TI module. */ IVIDENC_Fxns VIDENCCOPY_TI_VIDENCCOPY = { /* module_vendor_interface */ {IALGFXNS}, VIDENCCOPY_TI_process, VIDENCCOPY_TI_control, }; /* * ======== VIDENC_TI_IALG ======== * This structure defines TI's implementation of the IALG interface * for the VIDENCCOPY_TI module. */ #ifdef _TI_ /* satisfy xDAIS symbol requirement without any overhead */ asm("_VIDENCCOPY_TI_IALG .set _VIDENCCOPY_TI_VIDENCCOPY"); #else /* * We duplicate the structure here to allow this code to be compiled and * run non-DSP platforms at the expense of unnecessary data space * consumed by the definition below. */ IALG_Fxns VIDENCCOPY_TI_IALG = { /* module_vendor_interface */ IALGFXNS }; #endif /* tracing information */ #define GTNAME "codecs.videnc_copy" static GT_Mask curTrace = {NULL,NULL}; #ifdef USE_ACPY3 /* Implementation of IDMA3 interface functions & IDMA3_Fxns vtable */ #include <ti/bios/include/std.h> #include <ti/xdais/idma3.h> #include <ti/sdo/fc/acpy3/acpy3.h> #define NUM_LOGICAL_CH 1 /* * ======== VIDENCCOPY_TI_dmaChangeChannels ======== * Update instance object with new logical channel. */ Void VIDENCCOPY_TI_dmaChangeChannels(IALG_Handle handle, IDMA3_ChannelRec dmaTab[]) { VIDENCCOPY_TI_Obj *videncObj = (Void *)handle; GT_2trace(curTrace, GT_ENTER, "VIDENCCOPY_TI_dmaChangeChannels(0x%x, 0x%x)\n", handle, dmaTab); videncObj->dmaHandle1D1D8B = dmaTab[0].handle; } /* * ======== VIDENCCOPY_TI_dmaGetChannelCnt ======== * Return max number of logical channels requested. */ Uns VIDENCCOPY_TI_dmaGetChannelCnt(Void) { GT_0trace(curTrace, GT_ENTER, "VIDENCCOPY_TI_dmaGetChannelCnt()\n"); return (NUM_LOGICAL_CH); } /* * ======== VIDENCCOPY_TI_dmaGetChannels ======== * Declare DMA resource requirement/holdings. */ Uns VIDENCCOPY_TI_dmaGetChannels(IALG_Handle handle, IDMA3_ChannelRec dmaTab[]) { VIDENCCOPY_TI_Obj *videncObj = (Void *)handle; int i; GT_2trace(curTrace, GT_ENTER, "VIDENCCOPY_TI_dmaGetChannels(0x%x, 0x%x)\n", handle, dmaTab); /* Initial values on logical channels */ dmaTab[0].handle = videncObj->dmaHandle1D1D8B; dmaTab[0].numTransfers = 1; dmaTab[0].numWaits = 1; /* * Request logical DMA channels for use with ACPY3 * AND with environment size obtained from ACPY3 implementation * AND with low priority. */ for (i=0; i<NUM_LOGICAL_CH; i++) { dmaTab[i].priority = IDMA3_PRIORITY_LOW; dmaTab[i].persistent = FALSE; dmaTab[i].protocol = &ACPY3_PROTOCOL; } return (NUM_LOGICAL_CH); } /* * ======== VIDENCCOPY_TI_dmaInit ======== * Initialize instance object with granted logical channel. */ Int VIDENCCOPY_TI_dmaInit(IALG_Handle handle, IDMA3_ChannelRec dmaTab[]) { VIDENCCOPY_TI_Obj *videncObj = (Void *)handle; GT_2trace(curTrace, GT_ENTER, "VIDENCCOPY_TI_dmaInit(0x%x, 0x%x)\n", handle, dmaTab); videncObj->dmaHandle1D1D8B = dmaTab[0].handle; return (IALG_EOK); } /* * ======== VIDENCCOPY_TI_IDMA3 ======== * This structure defines TI's implementation of the IDMA3 interface * for the VIDENCCOPY_TI module. */ IDMA3_Fxns VIDENCCOPY_TI_IDMA3 = { /* module_vendor_interface */ &VIDENCCOPY_TI_IALG, /* IALG functions */ VIDENCCOPY_TI_dmaChangeChannels, /* ChangeChannels */ VIDENCCOPY_TI_dmaGetChannelCnt, /* GetChannelCnt */ VIDENCCOPY_TI_dmaGetChannels, /* GetChannels */ VIDENCCOPY_TI_dmaInit /* initialize logical channels */ }; #endif /* * ======== VIDENCCOPY_TI_activate ======== */ Void VIDENCCOPY_TI_activate(IALG_Handle handle) { GT_1trace(curTrace, GT_ENTER, "VIDENCCOPY_TI_activate(0x%x)\n", handle); } /* * ======== VIDENCCOPY_TI_deactivate ======== */ Void VIDENCCOPY_TI_deactivate(IALG_Handle handle) { GT_1trace(curTrace, GT_ENTER, "VIDENCCOPY_TI_deactivate(0x%x)\n", handle); } /* * ======== VIDENCCOPY_TI_alloc ======== */ Int VIDENCCOPY_TI_alloc(const IALG_Params *algParams, IALG_Fxns **pf, IALG_MemRec memTab[]) { if (curTrace.modName == NULL) { /* initialize GT (tracing) */ GT_create(&curTrace, GTNAME); } GT_3trace(curTrace, GT_ENTER, "VIDENCCOPY_TI_alloc(0x%x, 0x%x, 0x%x)\n", algParams, pf, memTab); /* Request memory for my object */ memTab[0].size = sizeof(VIDENCCOPY_TI_Obj); memTab[0].alignment = 0; memTab[0].space = IALG_EXTERNAL; memTab[0].attrs = IALG_PERSIST; return (1); } /* * ======== VIDENCCOPY_TI_free ======== */ Int VIDENCCOPY_TI_free(IALG_Handle handle, IALG_MemRec memTab[]) { GT_2trace(curTrace, GT_ENTER, "VIDENCCOPY_TI_free(0x%lx, 0x%lx)\n", handle, memTab); VIDENCCOPY_TI_alloc(NULL, NULL, memTab); return (1); } /* * ======== VIDENCCOPY_TI_initObj ======== */ Int VIDENCCOPY_TI_initObj(IALG_Handle handle, const IALG_MemRec memTab[], IALG_Handle p, const IALG_Params *algParams) { GT_4trace(curTrace, GT_ENTER, "VIDENCCOPY_TI_initObj(0x%x, 0x%x, 0x%x, 0x%x)\n", handle, memTab, p, algParams); return (IALG_EOK); } /* * ======== VIDENCCOPY_TI_process ======== */ XDAS_Int32 VIDENCCOPY_TI_process(IVIDENC_Handle h, XDM_BufDesc *inBufs, XDM_BufDesc *outBufs, IVIDENC_InArgs *inArgs, IVIDENC_OutArgs *outArgs) { XDAS_Int32 curBuf; XDAS_UInt32 minSamples; #ifdef USE_ACPY3 const Uint32 maxTransferChunkSize = 0xffff; Uint32 thisTransferChunkSize = 0x0; Uint32 remainingTransferChunkSize; Uint32 thisTransferSrcAddr, thisTransferDstAddr; ACPY3_Params params; VIDENCCOPY_TI_Obj *videncObj = (VIDENCCOPY_TI_Obj *)h; #endif GT_5trace(curTrace, GT_ENTER, "VIDENCCOPY_TI_process(0x%x, 0x%x, 0x%x, " "0x%x, 0x%x)\n", h, inBufs, outBufs, inArgs, outArgs); /* validate arguments - this codec only supports "base" xDM. */ if ((inArgs->size != sizeof(*inArgs)) || (outArgs->size != sizeof(*outArgs))) { GT_2trace(curTrace, GT_ENTER, "VIDENCCOPY_TI_process, unsupported size " "(0x%x, 0x%x)\n", inArgs->size, outArgs->size); return (IVIDENC_EFAIL); } #ifdef USE_ACPY3 /* * Activate Channel scratch DMA channels. */ ACPY3_activate(videncObj->dmaHandle1D1D8B); #endif /* outArgs->bytesGenerated reports the total number of bytes generated */ outArgs->bytes