ACodec: query grid config from component even if grid is disabled

bug: 138397508
test: cts HeifWriterTest on devices that can enable OMX HEIC encoder.

Change-Id: I6e8437c0b8cc4901e943f2ed7cb23cb16ed096fe

media/libstagefright/ACodec.cpp

@@ -4505,22 +4505,38 @@ status_t ACodec::setupAVCEncoderParameters(const sp<AMessage> &msg) {
 status_t ACodec::configureImageGrid(
         const sp<AMessage> &msg, sp<AMessage> &outputFormat) {
     int32_t tileWidth, tileHeight, gridRows, gridCols;
-    if (!msg->findInt32("tile-width", &tileWidth) ||
-        !msg->findInt32("tile-height", &tileHeight) ||
-        !msg->findInt32("grid-rows", &gridRows) ||
-        !msg->findInt32("grid-cols", &gridCols)) {
+    OMX_BOOL useGrid = OMX_FALSE;
+    if (msg->findInt32("tile-width", &tileWidth) &&
+        msg->findInt32("tile-height", &tileHeight) &&
+        msg->findInt32("grid-rows", &gridRows) &&
+        msg->findInt32("grid-cols", &gridCols)) {
+        useGrid = OMX_TRUE;
+    } else {
+        // when bEnabled is false, the tile info is not used,
+        // but clear out these too.
+        tileWidth = tileHeight = gridRows = gridCols = 0;
+    }
+
+    if (!mIsImage && !useGrid) {
         return OK;
     }
 
     OMX_VIDEO_PARAM_ANDROID_IMAGEGRIDTYPE gridType;
     InitOMXParams(&gridType);
     gridType.nPortIndex = kPortIndexOutput;
-    gridType.bEnabled = OMX_TRUE;
+    gridType.bEnabled = useGrid;
     gridType.nTileWidth = tileWidth;
     gridType.nTileHeight = tileHeight;
     gridType.nGridRows = gridRows;
     gridType.nGridCols = gridCols;
 
+    ALOGV("sending image grid info to component: bEnabled %d, tile %dx%d, grid %dx%d",
+            gridType.bEnabled,
+            gridType.nTileWidth,
+            gridType.nTileHeight,
+            gridType.nGridRows,
+            gridType.nGridCols);
+
     status_t err = mOMXNode->setParameter(
             (OMX_INDEXTYPE)OMX_IndexParamVideoAndroidImageGrid,
             &gridType, sizeof(gridType));
@@ -4541,6 +4557,13 @@ status_t ACodec::configureImageGrid(
             (OMX_INDEXTYPE)OMX_IndexParamVideoAndroidImageGrid,
             &gridType, sizeof(gridType));
 
+    ALOGV("received image grid info from component: bEnabled %d, tile %dx%d, grid %dx%d",
+            gridType.bEnabled,
+            gridType.nTileWidth,
+            gridType.nTileHeight,
+            gridType.nGridRows,
+            gridType.nGridCols);
+
     if (err == OK && gridType.bEnabled) {
         outputFormat->setInt32("tile-width", gridType.nTileWidth);
         outputFormat->setInt32("tile-height", gridType.nTileHeight);