X-Git-Url: https://git.ti.com/gitweb?p=processor-sdk%2Fperformance-audio-sr.git;a=blobdiff_plain;f=processor_audio_sdk_1_00_00_00%2Fpasdk%2Fcommon%2FaspDecOpCircBuf_common.c;h=b127faff89125cedcbbe5ea65c2e7b5c699c6cd2;hp=aab3e8cfc6ef870a3184b53740575e4b39490dfc;hb=6d29937bcc4e795e4a416f01c9a9cfe5fa2c541c;hpb=e1c84d0a8c17d5d3276a4174b2256b787c54c2ac;ds=sidebyside

diff --git a/processor_audio_sdk_1_00_00_00/pasdk/common/aspDecOpCircBuf_common.c b/processor_audio_sdk_1_00_00_00/pasdk/common/aspDecOpCircBuf_common.c
index aab3e8cf..b127faff 100644
--- a/processor_audio_sdk_1_00_00_00/pasdk/common/aspDecOpCircBuf_common.c
+++ b/processor_audio_sdk_1_00_00_00/pasdk/common/aspDecOpCircBuf_common.c
@@ -33,6 +33,7 @@ All rights reserved.
 *
 */
 
+#include <string.h> // for memset()
 #include <xdc/std.h>
 #include <xdc/runtime/Log.h>
 #include <ti/sysbios/hal/Cache.h>
@@ -40,6 +41,88 @@ All rights reserved.
 
 #include "aspDecOpCircBuf_common.h"
 
+// Reset circular buffer
+Int cbReset(
+    PAF_AST_DecOpCircBufCtl *pCbCtl,
+    Int8 cbIdx
+)
+{
+    IArg key;
+    GateMP_Handle gateHandle;
+    PAF_AST_DecOpCircBuf *pCb;
+    PAF_AudioFrame *pAfCb;
+    Int8 n;
+    Int8 i;
+
+    // Get gate handle
+    gateHandle = pCbCtl->gateHandle;
+    // Enter gate
+    key = GateMP_enter(gateHandle);
+
+    // Get circular buffer base pointer
+    pCb = &((*pCbCtl->pXDecOpCb)[cbIdx]);
+    
+    // Invalidate circular buffer configuration
+    Cache_inv(pCb, sizeof(PAF_AST_DecOpCircBuf), Cache_Type_ALLD, 0);
+    Cache_wait();
+
+    if (pCb->sourceSel == PAF_SOURCE_PCM)
+    {
+        // 2*256 in behind
+        pCb->afWrtIdx = ASP_DECOP_CB_INIT_WRTIDX_PCM;
+        pCb->afRdIdx = ASP_DECOP_CB_INIT_RDIDX_PCM;
+        pCb->pcmRdIdx = 0;
+    }
+    else if (pCb->sourceSel == PAF_SOURCE_DDP)
+    {
+        // 4*256 in behind
+        pCb->afWrtIdx = ASP_DECOP_CB_INIT_WRTIDX_DDP;
+        pCb->afRdIdx = ASP_DECOP_CB_INIT_RDIDX_DDP;
+        pCb->pcmRdIdx = pCb->decOpFrameLen - ASP_DECOP_CB_INIT_LAG_DDP*pCb->strFrameLen;
+    }
+
+    // initialize circular buffer current number of frames
+    pCb->numAfCb = pCb->afWrtIdx - pCb->afRdIdx;
+
+    for (n=0; n<pCb->maxNumAfCb; n++)
+    {
+        pAfCb = &pCb->afCb[n];
+        
+        // clear PCM data
+        for (i=0; i<ASP_DECOP_CB_MAX_NUM_PCM_CH; i++)
+        {
+            memset(pAfCb->data.sample[i], pCb->decOpFrameLen, 0);
+        }
+        
+        // clear metadata
+        pAfCb->numPrivateMetadata = 0;
+    }
+    
+    // reset error counts
+    pCb->errUndCnt = 0;
+    pCb->errOvrCnt = 0;
+
+    // Write back circular buffer configuration
+    Cache_wb(pCb, sizeof(PAF_AST_DecOpCircBuf), Cache_Type_ALLD, 0);
+
+    // Write back AF circular buffer
+    Cache_wb(pCb->afCb, pCb->maxNumAfCb*sizeof(PAF_AudioFrame), Cache_Type_ALLD, 0);
+    for (n=0; n<pCb->maxNumAfCb; n++)
+    {
+        pAfCb = &pCb->afCb[n];
+        for (i=0; i<ASP_DECOP_CB_MAX_NUM_PCM_CH; i++)
+        {
+            Cache_wb(pAfCb->data.sample[i], pCb->decOpFrameLen*sizeof(PAF_AudioData), Cache_Type_ALLD, 0);
+        }
+    }
+    Cache_wait();
+
+    // Leave the gate
+    GateMP_leave(gateHandle, key);
+
+    return ASP_DECOP_CB_SOK;
+}
+
 // Output log of circular buffer control variables (debug)
 Int cbLog(
     PAF_AST_DecOpCircBufCtl *pCbCtl,