Пример #1
0
/*
 *  ======== STRM_FreeBuffer ========
 *  Purpose:
 *      Frees the buffers allocated for a stream.
 */
DSP_STATUS STRM_FreeBuffer(struct STRM_OBJECT *hStrm, u8 **apBuffer,
		u32 uNumBufs, struct PROCESS_CONTEXT *pr_ctxt)
{
	DSP_STATUS status = DSP_SOK;
	u32 i = 0;

	HANDLE hSTRMRes = NULL;

	DBC_Require(cRefs > 0);
	DBC_Require(apBuffer != NULL);

	for (i = 0; i < uNumBufs; i++) {
		DBC_Assert(hStrm->hXlator != NULL);
		status = CMM_XlatorFreeBuf(hStrm->hXlator, apBuffer[i]);
		if (DSP_FAILED(status))
			break;
		apBuffer[i] = NULL;
	}

	if (DSP_SUCCEEDED(status)) {
		if (DRV_GetSTRMResElement(hStrm, hSTRMRes, pr_ctxt) !=
				DSP_ENOTFOUND)
			DRV_ProcUpdateSTRMRes(uNumBufs-i, hSTRMRes);
	}
	return status;
}
Пример #2
0
/*
 *  ======== STRM_FreeBuffer ========
 *  Purpose:
 *      Frees the buffers allocated for a stream.
 */
DSP_STATUS STRM_FreeBuffer(struct STRM_OBJECT *hStrm, u8 **apBuffer,
			  u32 uNumBufs)
{
	DSP_STATUS status = DSP_SOK;
	u32 i = 0;

	#ifndef RES_CLEANUP_DISABLE
	DSP_STATUS res_status = DSP_SOK;
       u32                  hProcess;
	HANDLE	     pCtxt = NULL;
	HANDLE	     hDrvObject;
	HANDLE 		    hSTRMRes = NULL;
	#endif
	DBC_Require(cRefs > 0);
	DBC_Require(apBuffer != NULL);

	GT_3trace(STRM_debugMask, GT_ENTER, "STRM_FreeBuffer: hStrm: 0x%x\t"
		 "apBuffer: 0x%x\tuNumBufs: 0x%x\n", hStrm, apBuffer, uNumBufs);

	if (!MEM_IsValidHandle(hStrm, STRM_SIGNATURE))
		status = DSP_EHANDLE;

	if (DSP_SUCCEEDED(status)) {
		for (i = 0; i < uNumBufs; i++) {
			DBC_Assert(hStrm->hXlator != NULL);
			status = CMM_XlatorFreeBuf(hStrm->hXlator, apBuffer[i]);
			if (DSP_FAILED(status)) {
				GT_0trace(STRM_debugMask, GT_7CLASS,
					 "STRM_FreeBuffer: DSP_FAILED"
					 " to free shared memory.\n");
				break;
			}
			apBuffer[i] = NULL;
		}
	}
#ifndef RES_CLEANUP_DISABLE
	/* Update the node and stream resource status */
       /* Return PID instead of process handle */
       hProcess = current->pid;

	res_status = CFG_GetObject((u32 *)&hDrvObject, REG_DRV_OBJECT);
	if (DSP_SUCCEEDED(res_status)) {
               DRV_GetProcContext(hProcess,
				 (struct DRV_OBJECT *)hDrvObject, &pCtxt,
				 NULL, 0);
		if (pCtxt != NULL) {
			if (DRV_GetSTRMResElement(hStrm, hSTRMRes, pCtxt) !=
			   DSP_ENOTFOUND) {
				DRV_ProcUpdateSTRMRes(uNumBufs-i, hSTRMRes,
						     pCtxt);
			}
		}
	}
#endif
	return status;
}