Fix potential overflow

#include "h264bsd_util.h"

#include "basetype.h"

#include <log/log.h>

/*------------------------------------------------------------------------------

    2. External compiler flags

--------------------------------------------------------------------------------

    ASSERT(maxFrameNum);

    ASSERT(dpbSize);

    // see comment in loop below about size calculation

    if (picSizeInMbs > (UINT32_MAX - 32 - 15) / 384) {

        ALOGE("b/28533562");

        android_errorWriteLog(0x534e4554, "28533562");

        return(MEMORY_ALLOCATION_ERROR);

    }

    dpb->maxLongTermFrameIdx = NO_LONG_TERM_FRAME_INDICES;

    dpb->maxRefFrames        = MAX(maxRefFrames, 1);

    if (noReordering)