Merge "PassthruPatchRecord: fix null timeOut case in obtainBuffer" am: 17437eb4 am: 55a5ece7

    if (!stream) return NO_INIT;  // If there is no stream, RecordThread is not reading.

    status_t result = NO_ERROR;

    struct timespec newTimeOut = *timeOut;

    size_t bytesRead = 0;

    {

        ATRACE_NAME("read");

    ALOGW_IF(buffer->mFrameCount < bytesRead / mFrameSize,

            "Lost %zu frames obtained from HAL", bytesRead / mFrameSize - buffer->mFrameCount);

    mUnconsumedFrames = buffer->mFrameCount;

    // Correct newTimeOut by elapsed time.

    struct timespec newTimeOut;

    if (startTimeNs) {

        nsecs_t newTimeOutNs =

                audio_utils_ns_from_timespec(&newTimeOut) - (systemTime() - startTimeNs);

        // Correct the timeout by elapsed time.

        nsecs_t newTimeOutNs = audio_utils_ns_from_timespec(timeOut) - (systemTime() - startTimeNs);

        if (newTimeOutNs < 0) newTimeOutNs = 0;

        newTimeOut.tv_sec = newTimeOutNs / NANOS_PER_SECOND;

        newTimeOut.tv_nsec = newTimeOutNs - newTimeOut.tv_sec * NANOS_PER_SECOND;

        timeOut = &newTimeOut;

    }

    return PatchRecord::obtainBuffer(buffer, &newTimeOut);

    return PatchRecord::obtainBuffer(buffer, timeOut);

stream_error:

    stream->standby();