Merge "aaudio: fix IsochronousClockModel drift calculation" into qt-r1-dev

    case STATE_RUNNING:

        if (nanosDelta < expectedNanosDelta) {

            // Earlier than expected timestamp.

            // This data is probably more accurate so use it.

            // or we may be drifting due to a slow HW clock.

//            ALOGD("processTimestamp() - STATE_RUNNING - %d < %d micros - EARLY",

//                 (int) (nanosDelta / 1000), (int)(expectedNanosDelta / 1000));

            // This data is probably more accurate, so use it.

            // Or we may be drifting due to a fast HW clock.

//            int microsDelta = (int) (nanosDelta / 1000);

//            int expectedMicrosDelta = (int) (expectedNanosDelta / 1000);

//            ALOGD("processTimestamp() - STATE_RUNNING - %7d < %7d so %4d micros EARLY",

//                 microsDelta, expectedMicrosDelta, (expectedMicrosDelta - microsDelta));

            setPositionAndTime(framePosition, nanoTime);

        } else if (nanosDelta > (expectedNanosDelta + mMaxLatenessInNanos)) {

            // Later than expected timestamp.

//            ALOGD("processTimestamp() - STATE_RUNNING - %d > %d + %d micros - LATE",

//                 (int) (nanosDelta / 1000), (int)(expectedNanosDelta / 1000),

//                 (int) (mMaxLatenessInNanos / 1000));

            setPositionAndTime(framePosition - mFramesPerBurst,  nanoTime - mMaxLatenessInNanos);

//            int microsDelta = (int) (nanosDelta / 1000);

//            int expectedMicrosDeadline = (int) ((expectedNanosDelta + mMaxLatenessInNanos) / 1000);

//            ALOGD("processTimestamp() - STATE_RUNNING - %7d > %7d so %4d micros LATE",

//                  microsDelta, expectedMicrosDeadline, (microsDelta - expectedMicrosDeadline));

            // When we are late it may be because of preemption in the kernel or

            //  we may be drifting due to a slow HW clock.

            setPositionAndTime(framePosition,  nanoTime - mMaxLatenessInNanos);

        }

        break;

    default: