193         int currStride, const WebPIterator& prevIter, const Color8888* prevBuffer, int prevStride) {  in initializeFrame()  argument
210                 checkIfCover(currIter, prevIter);  in initializeFrame()
211         if ((prevIter.dispose_method == WEBP_MUX_DISPOSE_BACKGROUND) &&  in initializeFrame()
213             Color8888* dst = currBuffer + prevIter.x_offset + prevIter.y_offset * currStride;  in initializeFrame()
214             for (int j = 0; j < prevIter.height; j++) {  in initializeFrame()
215                 clearLine(dst, prevIter.width);  in initializeFrame()
223         int currStride, const WebPIterator& prevIter, const Color8888* prevBuffer, int prevStride) {  in decodeFrame()  argument
243         if (prevIter.dispose_method == WEBP_MUX_DISPOSE_NONE) {  in decodeFrame()
268                             && !FrameContainsPixel(prevIter, canvasX, canvasY)) {  in decodeFrame()
303     WebPIterator prevIter;  in drawFrame()  local
314         prevIter = currIter;  in drawFrame()
337         initializeFrame(currIter, currBuffer, currStride, prevIter, prevBuffer, prevStride);  in drawFrame()
340             if (!decodeFrame(currIter, currBuffer, currStride, prevIter, prevBuffer, prevStride)) {  in drawFrame()
359     WebPDemuxReleaseIterator(&prevIter);  in drawFrame()