xref: /frameworks/av/libvideoeditor/lvpp/PreviewPlayer.cpp

/*
 * Copyright (C) 2011 NXP Software
 * Copyright (C) 2011 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#define LOG_NDEBUG 1
#define LOG_TAG "PreviewPlayer"
#include <utils/Log.h>

#include <dlfcn.h>

#include "include/ARTSPController.h"
#include "PreviewPlayer.h"
#include "DummyAudioSource.h"
#include "DummyVideoSource.h"
#include "VideoEditorSRC.h"
#include "include/LiveSession.h"
#include "include/NuCachedSource2.h"
#include "include/ThrottledSource.h"


#include "PreviewRenderer.h"

#include <binder/IPCThreadState.h>
#include <media/stagefright/DataSource.h>
#include <media/stagefright/FileSource.h>
#include <media/stagefright/MediaBuffer.h>
#include <media/stagefright/MediaDefs.h>
#include <media/stagefright/MediaExtractor.h>
#include <media/stagefright/MediaDebug.h>
#include <media/stagefright/MediaSource.h>
#include <media/stagefright/MetaData.h>
#include <media/stagefright/OMXCodec.h>

#include <surfaceflinger/Surface.h>
#include <media/stagefright/foundation/ALooper.h>

namespace android {


struct PreviewPlayerEvent : public TimedEventQueue::Event {
    PreviewPlayerEvent(
            PreviewPlayer *player,
            void (PreviewPlayer::*method)())
        : mPlayer(player),
          mMethod(method) {
    }

protected:
    virtual ~PreviewPlayerEvent() {}

    virtual void fire(TimedEventQueue *queue, int64_t /* now_us */) {
        (mPlayer->*mMethod)();
    }

private:
    PreviewPlayer *mPlayer;
    void (PreviewPlayer::*mMethod)();

    PreviewPlayerEvent(const PreviewPlayerEvent &);
    PreviewPlayerEvent &operator=(const PreviewPlayerEvent &);
};


struct PreviewLocalRenderer : public PreviewPlayerRenderer {
    PreviewLocalRenderer(
            bool previewOnly,
            OMX_COLOR_FORMATTYPE colorFormat,
            const sp<Surface> &surface,
            size_t displayWidth, size_t displayHeight,
            size_t decodedWidth, size_t decodedHeight,
            int32_t rotationDegrees = 0)
        : mTarget(NULL) {
            init(previewOnly,
                 colorFormat, surface,
                 displayWidth, displayHeight,
                 decodedWidth, decodedHeight,
                 rotationDegrees);
    }

    virtual void render(MediaBuffer *buffer) {
        render((const uint8_t *)buffer->data() + buffer->range_offset(),
               buffer->range_length());
    }

    void render(const void *data, size_t size) {
        mTarget->render(data, size, NULL);
    }
    void render() {
        mTarget->renderYV12();
    }
    void getBuffer(uint8_t **data, size_t *stride) {
        mTarget->getBufferYV12(data, stride);
    }

protected:
    virtual ~PreviewLocalRenderer() {
        delete mTarget;
        mTarget = NULL;
    }

private:
    PreviewRenderer *mTarget;

    void init(
            bool previewOnly,
            OMX_COLOR_FORMATTYPE colorFormat,
            const sp<Surface> &surface,
            size_t displayWidth, size_t displayHeight,
            size_t decodedWidth, size_t decodedHeight,
            int32_t rotationDegrees = 0);

    PreviewLocalRenderer(const PreviewLocalRenderer &);
    PreviewLocalRenderer &operator=(const PreviewLocalRenderer &);;
};

void PreviewLocalRenderer::init(
        bool previewOnly,
        OMX_COLOR_FORMATTYPE colorFormat,
        const sp<Surface> &surface,
        size_t displayWidth, size_t displayHeight,
        size_t decodedWidth, size_t decodedHeight,
        int32_t rotationDegrees) {
    mTarget = new PreviewRenderer(
            colorFormat, surface, displayWidth, displayHeight,
            decodedWidth, decodedHeight, rotationDegrees);
}

PreviewPlayer::PreviewPlayer()
    : AwesomePlayer(),
      mFrameRGBBuffer(NULL),
      mFrameYUVBuffer(NULL),
      mReportedWidth(0),
      mReportedHeight(0) {

    mVideoRenderer = NULL;
    mLastVideoBuffer = NULL;
    mSuspensionState = NULL;
    mEffectsSettings = NULL;
    mAudioMixStoryBoardTS = 0;
    mCurrentMediaBeginCutTime = 0;
    mCurrentMediaVolumeValue = 0;
    mNumberEffects = 0;
    mDecodedVideoTs = 0;
    mDecVideoTsStoryBoard = 0;
    mCurrentVideoEffect = VIDEO_EFFECT_NONE;
    mProgressCbInterval = 0;
    mNumberDecVideoFrames = 0;

    mVideoEvent = new PreviewPlayerEvent(this, &PreviewPlayer::onVideoEvent);
    mVideoEventPending = false;
    mStreamDoneEvent = new PreviewPlayerEvent(this,
     &AwesomePlayer::onStreamDone);

    mStreamDoneEventPending = false;

    mCheckAudioStatusEvent = new PreviewPlayerEvent(
            this, &AwesomePlayer::onCheckAudioStatus);

    mAudioStatusEventPending = false;

    mProgressCbEvent = new PreviewPlayerEvent(this,
     &PreviewPlayer::onProgressCbEvent);

    mProgressCbEventPending = false;
    mResizedVideoBuffer = NULL;
    mVideoResizedOrCropped = false;
    mRenderingMode = (M4xVSS_MediaRendering)MEDIA_RENDERING_INVALID;
    mIsFiftiesEffectStarted = false;
    reset();
}

PreviewPlayer::~PreviewPlayer() {

    if (mQueueStarted) {
        mQueue.stop();
    }

    reset();

    if(mResizedVideoBuffer != NULL) {
        M4OSA_free((M4OSA_MemAddr32)(mResizedVideoBuffer->data()));
        mResizedVideoBuffer = NULL;
    }

    mVideoRenderer.clear();
    mVideoRenderer = NULL;
}

void PreviewPlayer::cancelPlayerEvents(bool keepBufferingGoing) {
    mQueue.cancelEvent(mVideoEvent->eventID());
    mVideoEventPending = false;
    mQueue.cancelEvent(mStreamDoneEvent->eventID());
    mStreamDoneEventPending = false;
    mQueue.cancelEvent(mCheckAudioStatusEvent->eventID());
    mAudioStatusEventPending = false;

    mQueue.cancelEvent(mProgressCbEvent->eventID());
    mProgressCbEventPending = false;
}

status_t PreviewPlayer::setDataSource(
        const char *uri, const KeyedVector<String8, String8> *headers) {
    Mutex::Autolock autoLock(mLock);
    return setDataSource_l(uri, headers);
}

status_t PreviewPlayer::setDataSource_l(
        const char *uri, const KeyedVector<String8, String8> *headers) {
    reset_l();

    mUri = uri;

    if (headers) {
        mUriHeaders = *headers;
    }

    // The actual work will be done during preparation in the call to
    // ::finishSetDataSource_l to avoid blocking the calling thread in
    // setDataSource for any significant time.
    return OK;
}

status_t PreviewPlayer::setDataSource_l(const sp<MediaExtractor> &extractor) {
    bool haveAudio = false;
    bool haveVideo = false;
    for (size_t i = 0; i < extractor->countTracks(); ++i) {
        sp<MetaData> meta = extractor->getTrackMetaData(i);

        const char *mime;
        CHECK(meta->findCString(kKeyMIMEType, &mime));

        if (!haveVideo && !strncasecmp(mime, "video/", 6)) {
            setVideoSource(extractor->getTrack(i));
            haveVideo = true;
        } else if (!haveAudio && !strncasecmp(mime, "audio/", 6)) {
            setAudioSource(extractor->getTrack(i));
            haveAudio = true;

            if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_VORBIS)) {
                // Only do this for vorbis audio, none of the other audio
                // formats even support this ringtone specific hack and
                // retrieving the metadata on some extractors may turn out
                // to be very expensive.
                sp<MetaData> fileMeta = extractor->getMetaData();
                int32_t loop;
                if (fileMeta != NULL
                        && fileMeta->findInt32(kKeyAutoLoop, &loop)
                         && loop != 0) {
                    mFlags |= AUTO_LOOPING;
                }
            }
        }

        if (haveAudio && haveVideo) {
            break;
        }
    }

    /* Add the support for Dummy audio*/
    if( !haveAudio ){
        LOGV("PreviewPlayer: setDataSource_l Dummyaudiocreation started");

        mAudioTrack = DummyAudioSource::Create(32000, 2, 20000,
                                              ((mPlayEndTimeMsec)*1000));
        LOGV("PreviewPlayer: setDataSource_l Dummyauiosource created");
        if(mAudioTrack != NULL) {
            haveAudio = true;
        }
    }

    if (!haveAudio && !haveVideo) {
        return UNKNOWN_ERROR;
    }

    mExtractorFlags = extractor->flags();
    return OK;
}

status_t PreviewPlayer::setDataSource_l_jpg() {
    M4OSA_ERR err = M4NO_ERROR;
    LOGV("PreviewPlayer: setDataSource_l_jpg started");

    mAudioSource = DummyAudioSource::Create(32000, 2, 20000,
                                          ((mPlayEndTimeMsec)*1000));
    LOGV("PreviewPlayer: setDataSource_l_jpg Dummyaudiosource created");
    if(mAudioSource != NULL) {
        setAudioSource(mAudioSource);
    }
    status_t error = mAudioSource->start();
    if (error != OK) {
        LOGV("Error starting dummy audio source");
        mAudioSource.clear();
        return err;
    }

    mDurationUs = (mPlayEndTimeMsec - mPlayBeginTimeMsec)*1000;

    mVideoSource = DummyVideoSource::Create(mVideoWidth, mVideoHeight,
                                            mDurationUs, mUri);
    mReportedWidth = mVideoWidth;
    mReportedHeight = mVideoHeight;

    setVideoSource(mVideoSource);
    status_t err1 = mVideoSource->start();
    if (err1 != OK) {
        mVideoSource.clear();
        return err;
    }

    mIsVideoSourceJpg = true;
    return OK;
}

void PreviewPlayer::reset() {
    Mutex::Autolock autoLock(mLock);
    reset_l();
}

void PreviewPlayer::reset_l() {

    if (mFlags & PREPARING) {
        mFlags |= PREPARE_CANCELLED;
    }

    while (mFlags & PREPARING) {
        mPreparedCondition.wait(mLock);
    }

    cancelPlayerEvents();
    mAudioTrack.clear();
    mVideoTrack.clear();

    // Shutdown audio first, so that the respone to the reset request
    // appears to happen instantaneously as far as the user is concerned
    // If we did this later, audio would continue playing while we
    // shutdown the video-related resources and the player appear to
    // not be as responsive to a reset request.
    if (mAudioPlayer == NULL && mAudioSource != NULL) {
        // If we had an audio player, it would have effectively
        // taken possession of the audio source and stopped it when
        // _it_ is stopped. Otherwise this is still our responsibility.
        mAudioSource->stop();
    }
    mAudioSource.clear();

    mTimeSource = NULL;

    delete mAudioPlayer;
    mAudioPlayer = NULL;

    if (mLastVideoBuffer) {
        mLastVideoBuffer->release();
        mLastVideoBuffer = NULL;
    }

    if (mVideoBuffer) {
        mVideoBuffer->release();
        mVideoBuffer = NULL;
    }

    if (mVideoSource != NULL) {
        mVideoSource->stop();

        // The following hack is necessary to ensure that the OMX
        // component is completely released by the time we may try
        // to instantiate it again.
        wp<MediaSource> tmp = mVideoSource;
        mVideoSource.clear();
        while (tmp.promote() != NULL) {
            usleep(1000);
        }
        IPCThreadState::self()->flushCommands();
    }

    mDurationUs = -1;
    mFlags = 0;
    mExtractorFlags = 0;
    mVideoWidth = mVideoHeight = -1;
    mTimeSourceDeltaUs = 0;
    mVideoTimeUs = 0;

    mSeeking = false;
    mSeekNotificationSent = false;
    mSeekTimeUs = 0;

    mUri.setTo("");
    mUriHeaders.clear();

    mFileSource.clear();

    delete mSuspensionState;
    mSuspensionState = NULL;

    mCurrentVideoEffect = VIDEO_EFFECT_NONE;
    mIsVideoSourceJpg = false;
    mFrameRGBBuffer = NULL;
    if(mFrameYUVBuffer != NULL) {
        M4OSA_free((M4OSA_MemAddr32)mFrameYUVBuffer);
        mFrameYUVBuffer = NULL;
    }
}

void PreviewPlayer::partial_reset_l() {

    if (mLastVideoBuffer) {
        mLastVideoBuffer->release();
        mLastVideoBuffer = NULL;
    }

    /* call base struct */
    AwesomePlayer::partial_reset_l();

}

status_t PreviewPlayer::play() {
    Mutex::Autolock autoLock(mLock);

    mFlags &= ~CACHE_UNDERRUN;

    return play_l();
}

status_t PreviewPlayer::play_l() {
VideoEditorAudioPlayer  *mVePlayer;
    if (mFlags & PLAYING) {
        return OK;
    }
    mStartNextPlayer = false;

    if (!(mFlags & PREPARED)) {
        status_t err = prepare_l();

        if (err != OK) {
            return err;
        }
    }

    mFlags |= PLAYING;
    mFlags |= FIRST_FRAME;

    bool deferredAudioSeek = false;

    if (mAudioSource != NULL) {
        if (mAudioPlayer == NULL) {
            if (mAudioSink != NULL) {

                mAudioPlayer = new VideoEditorAudioPlayer(mAudioSink, this);
                mVePlayer =
                          (VideoEditorAudioPlayer*)mAudioPlayer;

                mAudioPlayer->setSource(mAudioSource);

                mVePlayer->setAudioMixSettings(
                 mPreviewPlayerAudioMixSettings);

                mVePlayer->setAudioMixPCMFileHandle(
                 mAudioMixPCMFileHandle);

                mVePlayer->setAudioMixStoryBoardSkimTimeStamp(
                 mAudioMixStoryBoardTS, mCurrentMediaBeginCutTime,
                 mCurrentMediaVolumeValue);

                // We've already started the MediaSource in order to enable
                // the prefetcher to read its data.
                status_t err = mVePlayer->start(
                        true /* sourceAlreadyStarted */);

                if (err != OK) {
                    delete mAudioPlayer;
                    mAudioPlayer = NULL;

                    mFlags &= ~(PLAYING | FIRST_FRAME);
                    return err;
                }

                mTimeSource = mVePlayer; //mAudioPlayer;

                deferredAudioSeek = true;
                mWatchForAudioSeekComplete = false;
                mWatchForAudioEOS = true;
            }
        } else {
            mVePlayer->resume();
        }

    }

    if (mTimeSource == NULL && mAudioPlayer == NULL) {
        mTimeSource = &mSystemTimeSource;
    }

    if (mVideoSource != NULL) {
        // Kick off video playback
        postVideoEvent_l();
    }

    if (deferredAudioSeek) {
        // If there was a seek request while we were paused
        // and we're just starting up again, honor the request now.
        seekAudioIfNecessary_l();
    }

    if (mFlags & AT_EOS) {
        // Legacy behaviour, if a stream finishes playing and then
        // is started again, we play from the start...
        seekTo_l(0);
    }

    return OK;
}


void PreviewPlayer::initRenderer_l() {
    if (mSurface != NULL || mISurface != NULL) {
        sp<MetaData> meta = mVideoSource->getFormat();

        int32_t format;
        const char *component;
        int32_t decodedWidth, decodedHeight;
        CHECK(meta->findInt32(kKeyColorFormat, &format));
        CHECK(meta->findCString(kKeyDecoderComponent, &component));
        CHECK(meta->findInt32(kKeyWidth, &decodedWidth));
        CHECK(meta->findInt32(kKeyHeight, &decodedHeight));

        // Must ensure that mVideoRenderer's destructor is actually executed
        // before creating a new one.
        IPCThreadState::self()->flushCommands();

        // always use localrenderer since decoded buffers are modified
        // by postprocessing module
        // Other decoders are instantiated locally and as a consequence
        // allocate their buffers in local address space.
        if(mVideoRenderer == NULL) {

            mVideoRenderer = new PreviewLocalRenderer(
                false,  // previewOnly
                (OMX_COLOR_FORMATTYPE)format,
                mSurface,
                mOutputVideoWidth, mOutputVideoHeight,
                mOutputVideoWidth, mOutputVideoHeight);
        }
    }
}


void PreviewPlayer::setISurface(const sp<ISurface> &isurface) {
    Mutex::Autolock autoLock(mLock);
    mISurface = isurface;
}


status_t PreviewPlayer::seekTo(int64_t timeUs) {

    if ((mExtractorFlags & MediaExtractor::CAN_SEEK) || (mIsVideoSourceJpg)) {
        Mutex::Autolock autoLock(mLock);
        return seekTo_l(timeUs);
    }

    return OK;
}


status_t PreviewPlayer::getVideoDimensions(
        int32_t *width, int32_t *height) const {
    Mutex::Autolock autoLock(mLock);

    if (mVideoWidth < 0 || mVideoHeight < 0) {
        return UNKNOWN_ERROR;
    }

    *width = mVideoWidth;
    *height = mVideoHeight;

    return OK;
}


status_t PreviewPlayer::initAudioDecoder() {
    sp<MetaData> meta = mAudioTrack->getFormat();
    const char *mime;
    CHECK(meta->findCString(kKeyMIMEType, &mime));

    if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_RAW)) {
        mAudioSource = mAudioTrack;
    } else {
        sp<MediaSource> aRawSource;
        aRawSource = OMXCodec::Create(
                mClient.interface(), mAudioTrack->getFormat(),
                false, // createEncoder
                mAudioTrack);

        if(aRawSource != NULL) {
            LOGV("initAudioDecoder: new VideoEditorSRC");
            mAudioSource = new VideoEditorSRC(aRawSource);
        }
    }

    if (mAudioSource != NULL) {
        int64_t durationUs;
        if (mAudioTrack->getFormat()->findInt64(kKeyDuration, &durationUs)) {
            Mutex::Autolock autoLock(mMiscStateLock);
            if (mDurationUs < 0 || durationUs > mDurationUs) {
                mDurationUs = durationUs;
            }
        }
        status_t err = mAudioSource->start();

        if (err != OK) {
            mAudioSource.clear();
            return err;
        }
    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_QCELP)) {
        // For legacy reasons we're simply going to ignore the absence
        // of an audio decoder for QCELP instead of aborting playback
        // altogether.
        return OK;
    }

    return mAudioSource != NULL ? OK : UNKNOWN_ERROR;
}


status_t PreviewPlayer::initVideoDecoder(uint32_t flags) {

    mVideoSource = OMXCodec::Create(
            mClient.interface(), mVideoTrack->getFormat(),
            false,
            mVideoTrack,
            NULL, flags);

    if (mVideoSource != NULL) {
        int64_t durationUs;
        if (mVideoTrack->getFormat()->findInt64(kKeyDuration, &durationUs)) {
            Mutex::Autolock autoLock(mMiscStateLock);
            if (mDurationUs < 0 || durationUs > mDurationUs) {
                mDurationUs = durationUs;
            }
        }

        CHECK(mVideoTrack->getFormat()->findInt32(kKeyWidth, &mVideoWidth));
        CHECK(mVideoTrack->getFormat()->findInt32(kKeyHeight, &mVideoHeight));

        mReportedWidth = mVideoWidth;
        mReportedHeight = mVideoHeight;

        status_t err = mVideoSource->start();

        if (err != OK) {
            mVideoSource.clear();
            return err;
        }
    }

    return mVideoSource != NULL ? OK : UNKNOWN_ERROR;
}


void PreviewPlayer::onVideoEvent() {
    uint32_t i=0;
    bool bAppliedVideoEffect = false;
    M4OSA_ERR err1 = M4NO_ERROR;
    int64_t imageFrameTimeUs = 0;

    Mutex::Autolock autoLock(mLock);
    if (!mVideoEventPending) {
        // The event has been cancelled in reset_l() but had already
        // been scheduled for execution at that time.
        return;
    }
    mVideoEventPending = false;

    TimeSource *ts_st =  &mSystemTimeSource;
    int64_t timeStartUs = ts_st->getRealTimeUs();

    if (mSeeking) {
        if (mLastVideoBuffer) {
            mLastVideoBuffer->release();
            mLastVideoBuffer = NULL;
        }


        if(mAudioSource != NULL) {

            // We're going to seek the video source first, followed by
            // the audio source.
            // In order to avoid jumps in the DataSource offset caused by
            // the audio codec prefetching data from the old locations
            // while the video codec is already reading data from the new
            // locations, we'll "pause" the audio source, causing it to
            // stop reading input data until a subsequent seek.

            if (mAudioPlayer != NULL) {
                mAudioPlayer->pause();
            }
            mAudioSource->pause();
        }
    }

    if (!mVideoBuffer) {
        MediaSource::ReadOptions options;
        if (mSeeking) {
            LOGV("LV PLAYER seeking to %lld us (%.2f secs)", mSeekTimeUs,
                                                      mSeekTimeUs / 1E6);

            options.setSeekTo(
                    mSeekTimeUs, MediaSource::ReadOptions::SEEK_CLOSEST);
        }
        for (;;) {
            status_t err = mVideoSource->read(&mVideoBuffer, &options);
            options.clearSeekTo();

            if (err != OK) {
                CHECK_EQ(mVideoBuffer, NULL);

                if (err == INFO_FORMAT_CHANGED) {
                    LOGV("LV PLAYER VideoSource signalled format change");
                    notifyVideoSize_l();
                    sp<MetaData> meta = mVideoSource->getFormat();

                    CHECK(meta->findInt32(kKeyWidth, &mReportedWidth));
                    CHECK(meta->findInt32(kKeyHeight, &mReportedHeight));
                    if (mVideoRenderer != NULL) {
                        mVideoRendererIsPreview = false;
                        initRenderer_l();
                    }
                    continue;
                }
                // So video playback is complete, but we may still have
                // a seek request pending that needs to be applied
                // to the audio track.
                if (mSeeking) {
                    LOGV("video stream ended while seeking!");
                }
                finishSeekIfNecessary(-1);
                LOGV("PreviewPlayer: onVideoEvent EOS reached.");
                mFlags |= VIDEO_AT_EOS;
                postStreamDoneEvent_l(err);
                return;
            }

            if (mVideoBuffer->range_length() == 0) {
                // Some decoders, notably the PV AVC software decoder
                // return spurious empty buffers that we just want to ignore.

                mVideoBuffer->release();
                mVideoBuffer = NULL;
                continue;
            }

            int64_t videoTimeUs;
            CHECK(mVideoBuffer->meta_data()->findInt64(kKeyTime, &videoTimeUs));

            if((videoTimeUs/1000) < mPlayBeginTimeMsec) {
                // Frames are before begin cut time
                // Donot render
                mVideoBuffer->release();
                mVideoBuffer = NULL;
                continue;
            }

            break;
        }
    }

    mNumberDecVideoFrames++;

    int64_t timeUs;
    CHECK(mVideoBuffer->meta_data()->findInt64(kKeyTime, &timeUs));

    {
        Mutex::Autolock autoLock(mMiscStateLock);
        mVideoTimeUs = timeUs;
    }

    mDecodedVideoTs = timeUs;

    if(!mStartNextPlayer) {
        int64_t playbackTimeRemaining = (mPlayEndTimeMsec*1000) - timeUs;
        if(playbackTimeRemaining <= 1500000) {
            //When less than 1.5 sec of playback left
            // send notification to start next player

            mStartNextPlayer = true;
            notifyListener_l(0xAAAAAAAA);
        }
    }

    bool wasSeeking = mSeeking;
    finishSeekIfNecessary(timeUs);

    TimeSource *ts = (mFlags & AUDIO_AT_EOS) ? &mSystemTimeSource : mTimeSource;

    if(ts == NULL) {
        mVideoBuffer->release();
        mVideoBuffer = NULL;
        return;
    }

    if(!mIsVideoSourceJpg) {
        if (mFlags & FIRST_FRAME) {
            mFlags &= ~FIRST_FRAME;

            mTimeSourceDeltaUs = ts->getRealTimeUs() - timeUs;
        }

        int64_t realTimeUs, mediaTimeUs;
        if (!(mFlags & AUDIO_AT_EOS) && mAudioPlayer != NULL
            && mAudioPlayer->getMediaTimeMapping(&realTimeUs, &mediaTimeUs)) {
            mTimeSourceDeltaUs = realTimeUs - mediaTimeUs;
        }

        int64_t nowUs = ts->getRealTimeUs() - mTimeSourceDeltaUs;

        int64_t latenessUs = nowUs - timeUs;

        if (wasSeeking) {
            // Let's display the first frame after seeking right away.
            latenessUs = 0;
        }
        LOGV("Audio time stamp = %lld and video time stamp = %lld",
                                            ts->getRealTimeUs(),timeUs);
        if (latenessUs > 40000) {
            // We're more than 40ms late.

            LOGV("LV PLAYER we're late by %lld us (%.2f secs)",
                                           latenessUs, latenessUs / 1E6);

            mVideoBuffer->release();
            mVideoBuffer = NULL;

            postVideoEvent_l();
            return;
        }

        if (latenessUs < -10000) {
            // We're more than 10ms early.
            LOGV("We're more than 10ms early, lateness %lld", latenessUs);

            postVideoEvent_l(10000);
            return;
        }
    }

    if (mVideoRendererIsPreview || mVideoRenderer == NULL) {
        mVideoRendererIsPreview = false;

        initRenderer_l();
    }

    // If timestamp exceeds endCutTime of clip, donot render
    if((timeUs/1000) > mPlayEndTimeMsec) {
        if (mLastVideoBuffer) {
            mLastVideoBuffer->release();
            mLastVideoBuffer = NULL;
        }
        mLastVideoBuffer = mVideoBuffer;
        mVideoBuffer = NULL;
        mFlags |= VIDEO_AT_EOS;
        mFlags |= AUDIO_AT_EOS;
        LOGI("PreviewPlayer: onVideoEvent timeUs > mPlayEndTime; send EOS..");
        postStreamDoneEvent_l(ERROR_END_OF_STREAM);
        return;
    }

    // Post processing to apply video effects
    for(i=0;i<mNumberEffects;i++) {
        // First check if effect starttime matches the clip being previewed
        if((mEffectsSettings[i].uiStartTime < (mDecVideoTsStoryBoard/1000)) ||
        (mEffectsSettings[i].uiStartTime >=
         ((mDecVideoTsStoryBoard/1000) + mPlayEndTimeMsec - mPlayBeginTimeMsec)))
        {
            // This effect doesn't belong to this clip, check next one
            continue;
        }
        // Check if effect applies to this particular frame timestamp
        if((mEffectsSettings[i].uiStartTime <=
         (((timeUs+mDecVideoTsStoryBoard)/1000)-mPlayBeginTimeMsec)) &&
            ((mEffectsSettings[i].uiStartTime+mEffectsSettings[i].uiDuration) >=
             (((timeUs+mDecVideoTsStoryBoard)/1000)-mPlayBeginTimeMsec))
              && (mEffectsSettings[i].uiDuration != 0)) {

            setVideoPostProcessingNode(
             mEffectsSettings[i].VideoEffectType, TRUE);
        }
        else {
            setVideoPostProcessingNode(
             mEffectsSettings[i].VideoEffectType, FALSE);
        }

    }

    if(mCurrentVideoEffect != VIDEO_EFFECT_NONE) {
        err1 = doVideoPostProcessing();
        if(err1 != M4NO_ERROR) {
            LOGE("doVideoPostProcessing returned err");
            bAppliedVideoEffect = false;
        }
        else {
            bAppliedVideoEffect = true;
        }
    }
    else {
        bAppliedVideoEffect = false;
        if(mRenderingMode != MEDIA_RENDERING_INVALID) {
            // No effects to be applied, but media rendering to be done
            err1 = doMediaRendering();
            if(err1 != M4NO_ERROR) {
                LOGE("doMediaRendering returned err");
                //Use original mVideoBuffer for rendering
                mVideoResizedOrCropped = false;
            }
        }
    }

    if (mVideoRenderer != NULL) {
        LOGV("mVideoRenderer CALL render()");
        mVideoRenderer->render();
    }

    if (mLastVideoBuffer) {
        mLastVideoBuffer->release();
        mLastVideoBuffer = NULL;
    }

    mLastVideoBuffer = mVideoBuffer;
    mVideoBuffer = NULL;

    // Post progress callback based on callback interval set
    if(mNumberDecVideoFrames >= mProgressCbInterval) {
        postProgressCallbackEvent_l();
        mNumberDecVideoFrames = 0;  // reset counter
    }

    // if reached EndCutTime of clip, post EOS event
    if((timeUs/1000) >= mPlayEndTimeMsec) {
        LOGV("PreviewPlayer: onVideoEvent EOS.");
        mFlags |= VIDEO_AT_EOS;
        mFlags |= AUDIO_AT_EOS;
        postStreamDoneEvent_l(ERROR_END_OF_STREAM);
    }
    else {
        if(!mIsVideoSourceJpg) {
            postVideoEvent_l();
        }
        else {
            postVideoEvent_l(33000);
        }
    }
}

status_t PreviewPlayer::prepare() {
    Mutex::Autolock autoLock(mLock);
    return prepare_l();
}

status_t PreviewPlayer::prepare_l() {
    if (mFlags & PREPARED) {
        return OK;
    }

    if (mFlags & PREPARING) {
        return UNKNOWN_ERROR;
    }

    mIsAsyncPrepare = false;
    status_t err = prepareAsync_l();

    if (err != OK) {
        return err;
    }

    while (mFlags & PREPARING) {
        mPreparedCondition.wait(mLock);
    }

    return mPrepareResult;
}

status_t PreviewPlayer::prepareAsync_l() {
    if (mFlags & PREPARING) {
        return UNKNOWN_ERROR;  // async prepare already pending
    }

    if (!mQueueStarted) {
        mQueue.start();
        mQueueStarted = true;
    }

    mFlags |= PREPARING;
    mAsyncPrepareEvent = new PreviewPlayerEvent(
            this, &PreviewPlayer::onPrepareAsyncEvent);

    mQueue.postEvent(mAsyncPrepareEvent);

    return OK;
}

status_t PreviewPlayer::finishSetDataSource_l() {
    sp<DataSource> dataSource;
    sp<MediaExtractor> extractor;

    dataSource = DataSource::CreateFromURI(mUri.string(), &mUriHeaders);

    if (dataSource == NULL) {
        return UNKNOWN_ERROR;
    }

    //If file type is .rgb, then no need to check for Extractor
    int uriLen = strlen(mUri);
    int startOffset = uriLen - 4;
    if(!strncasecmp(mUri+startOffset, ".rgb", 4)) {
        extractor = NULL;
    }
    else {
        extractor = MediaExtractor::Create(dataSource,
                                        MEDIA_MIMETYPE_CONTAINER_MPEG4);
    }

    if (extractor == NULL) {
        LOGV("PreviewPlayer::finishSetDataSource_l  extractor == NULL");
        return setDataSource_l_jpg();
    }

    return setDataSource_l(extractor);
}


// static
bool PreviewPlayer::ContinuePreparation(void *cookie) {
    PreviewPlayer *me = static_cast<PreviewPlayer *>(cookie);

    return (me->mFlags & PREPARE_CANCELLED) == 0;
}

void PreviewPlayer::onPrepareAsyncEvent() {
    Mutex::Autolock autoLock(mLock);
    LOGV("onPrepareAsyncEvent");

    if (mFlags & PREPARE_CANCELLED) {
        LOGI("LV PLAYER prepare was cancelled before doing anything");
        abortPrepare(UNKNOWN_ERROR);
        return;
    }

    if (mUri.size() > 0) {
        status_t err = finishSetDataSource_l();

        if (err != OK) {
            abortPrepare(err);
            return;
        }
    }

    if (mVideoTrack != NULL && mVideoSource == NULL) {
        status_t err = initVideoDecoder(OMXCodec::kHardwareCodecsOnly);

        if (err != OK) {
            abortPrepare(err);
            return;
        }
    }

    if (mAudioTrack != NULL && mAudioSource == NULL) {
        status_t err = initAudioDecoder();

        if (err != OK) {
            abortPrepare(err);
            return;
        }
    }
    finishAsyncPrepare_l();

}

void PreviewPlayer::finishAsyncPrepare_l() {
    if (mIsAsyncPrepare) {
        if (mVideoSource == NULL) {
            LOGV("finishAsyncPrepare_l: MEDIA_SET_VIDEO_SIZE 0 0 ");
            notifyListener_l(MEDIA_SET_VIDEO_SIZE, 0, 0);
        } else {
            LOGV("finishAsyncPrepare_l: MEDIA_SET_VIDEO_SIZE");
            notifyVideoSize_l();
        }
        LOGV("finishAsyncPrepare_l: MEDIA_PREPARED");
        notifyListener_l(MEDIA_PREPARED);
    }

    mPrepareResult = OK;
    mFlags &= ~(PREPARING|PREPARE_CANCELLED);
    mFlags |= PREPARED;
    mAsyncPrepareEvent = NULL;
    mPreparedCondition.broadcast();
}

status_t PreviewPlayer::suspend() {
    LOGV("suspend");
    Mutex::Autolock autoLock(mLock);

    if (mSuspensionState != NULL) {
        if (mLastVideoBuffer == NULL) {
            //go into here if video is suspended again
            //after resuming without being played between
            //them
            SuspensionState *state = mSuspensionState;
            mSuspensionState = NULL;
            reset_l();
            mSuspensionState = state;
            return OK;
        }

        delete mSuspensionState;
        mSuspensionState = NULL;
    }

    if (mFlags & PREPARING) {
        mFlags |= PREPARE_CANCELLED;
    }

    while (mFlags & PREPARING) {
        mPreparedCondition.wait(mLock);
    }

    SuspensionState *state = new SuspensionState;
    state->mUri = mUri;
    state->mUriHeaders = mUriHeaders;
    state->mFileSource = mFileSource;

    state->mFlags = mFlags & (PLAYING | AUTO_LOOPING | LOOPING | AT_EOS);
    getPosition(&state->mPositionUs);

    if (mLastVideoBuffer) {
        size_t size = mLastVideoBuffer->range_length();
        if (size) {
            int32_t unreadable;
            if (!mLastVideoBuffer->meta_data()->findInt32(
                        kKeyIsUnreadable, &unreadable)
                    || unreadable == 0) {
                state->mLastVideoFrameSize = size;
                state->mLastVideoFrame = malloc(size);
                memcpy(state->mLastVideoFrame,
                   (const uint8_t *)mLastVideoBuffer->data()
                        + mLastVideoBuffer->range_offset(),
                   size);

                state->mVideoWidth = mVideoWidth;
                state->mVideoHeight = mVideoHeight;

                sp<MetaData> meta = mVideoSource->getFormat();
                CHECK(meta->findInt32(kKeyColorFormat, &state->mColorFormat));
                CHECK(meta->findInt32(kKeyWidth, &state->mDecodedWidth));
                CHECK(meta->findInt32(kKeyHeight, &state->mDecodedHeight));
            } else {
                LOGV("Unable to save last video frame, we have no access to "
                     "the decoded video data.");
            }
        }
    }

    reset_l();

    mSuspensionState = state;

    return OK;
}

status_t PreviewPlayer::resume() {
    LOGV("resume");
    Mutex::Autolock autoLock(mLock);

    if (mSuspensionState == NULL) {
        return INVALID_OPERATION;
    }

    SuspensionState *state = mSuspensionState;
    mSuspensionState = NULL;

    status_t err;
    if (state->mFileSource != NULL) {
        err = AwesomePlayer::setDataSource_l(state->mFileSource);

        if (err == OK) {
            mFileSource = state->mFileSource;
        }
    } else {
        err = AwesomePlayer::setDataSource_l(state->mUri, &state->mUriHeaders);
    }

    if (err != OK) {
        delete state;
        state = NULL;

        return err;
    }

    seekTo_l(state->mPositionUs);

    mFlags = state->mFlags & (AUTO_LOOPING | LOOPING | AT_EOS);

    if (state->mLastVideoFrame && (mSurface != NULL || mISurface != NULL)) {
        mVideoRenderer =
            new PreviewLocalRenderer(
                    true,  // previewOnly
                    (OMX_COLOR_FORMATTYPE)state->mColorFormat,
                    mSurface,
                    state->mVideoWidth,
                    state->mVideoHeight,
                    state->mDecodedWidth,
                    state->mDecodedHeight);

        mVideoRendererIsPreview = true;

        ((PreviewLocalRenderer *)mVideoRenderer.get())->render(
                state->mLastVideoFrame, state->mLastVideoFrameSize);
    }

    if (state->mFlags & PLAYING) {
        play_l();
    }

    mSuspensionState = state;
    state = NULL;

    return OK;
}


status_t PreviewPlayer::loadEffectsSettings(
                    M4VSS3GPP_EffectSettings* pEffectSettings, int nEffects) {
    M4OSA_UInt32 i = 0, rgbSize = 0;
    M4VIFI_UInt8 *tmp = M4OSA_NULL;

    mNumberEffects = nEffects;
    mEffectsSettings = pEffectSettings;
    return OK;
}

status_t PreviewPlayer::loadAudioMixSettings(
                    M4xVSS_AudioMixingSettings* pAudioMixSettings) {

    LOGV("PreviewPlayer: loadAudioMixSettings: ");
    mPreviewPlayerAudioMixSettings = pAudioMixSettings;
    return OK;
}

status_t PreviewPlayer::setAudioMixPCMFileHandle(
                    M4OSA_Context pAudioMixPCMFileHandle) {

    LOGV("PreviewPlayer: setAudioMixPCMFileHandle: ");
    mAudioMixPCMFileHandle = pAudioMixPCMFileHandle;
    return OK;
}

status_t PreviewPlayer::setAudioMixStoryBoardParam(
                    M4OSA_UInt32 audioMixStoryBoardTS,
                    M4OSA_UInt32 currentMediaBeginCutTime,
                    M4OSA_UInt32 primaryTrackVolValue ) {

    mAudioMixStoryBoardTS = audioMixStoryBoardTS;
    mCurrentMediaBeginCutTime = currentMediaBeginCutTime;
    mCurrentMediaVolumeValue = primaryTrackVolValue;
    return OK;
}

status_t PreviewPlayer::setPlaybackBeginTime(uint32_t msec) {

    mPlayBeginTimeMsec = msec;
    return OK;
}

status_t PreviewPlayer::setPlaybackEndTime(uint32_t msec) {

    mPlayEndTimeMsec = msec;
    return OK;
}

status_t PreviewPlayer::setStoryboardStartTime(uint32_t msec) {

    mStoryboardStartTimeMsec = msec;
    mDecVideoTsStoryBoard = mStoryboardStartTimeMsec*1000;
    return OK;
}

status_t PreviewPlayer::setProgressCallbackInterval(uint32_t cbInterval) {

    mProgressCbInterval = cbInterval;
    return OK;
}


status_t PreviewPlayer::setMediaRenderingMode(
        M4xVSS_MediaRendering mode,
        M4VIDEOEDITING_VideoFrameSize outputVideoSize) {

    mRenderingMode = mode;

    /* reset boolean for each clip*/
    mVideoResizedOrCropped = false;

    switch(outputVideoSize) {
        case M4VIDEOEDITING_kSQCIF:
            mOutputVideoWidth = 128;
            mOutputVideoHeight = 96;
            break;

        case M4VIDEOEDITING_kQQVGA:
            mOutputVideoWidth = 160;
            mOutputVideoHeight = 120;
            break;

        case M4VIDEOEDITING_kQCIF:
            mOutputVideoWidth = 176;
            mOutputVideoHeight = 144;
            break;

        case M4VIDEOEDITING_kQVGA:
            mOutputVideoWidth = 320;
            mOutputVideoHeight = 240;
            break;

        case M4VIDEOEDITING_kCIF:
            mOutputVideoWidth = 352;
            mOutputVideoHeight = 288;
            break;

        case M4VIDEOEDITING_kVGA:
            mOutputVideoWidth = 640;
            mOutputVideoHeight = 480;
            break;

        case M4VIDEOEDITING_kWVGA:
            mOutputVideoWidth = 800;
            mOutputVideoHeight = 480;
            break;

        case M4VIDEOEDITING_kNTSC:
            mOutputVideoWidth = 720;
            mOutputVideoHeight = 480;
            break;

        case M4VIDEOEDITING_k640_360:
            mOutputVideoWidth = 640;
            mOutputVideoHeight = 360;
            break;

        case M4VIDEOEDITING_k854_480:
            mOutputVideoWidth = 854;
            mOutputVideoHeight = 480;
            break;

        case M4VIDEOEDITING_kHD1280:
            mOutputVideoWidth = 1280;
            mOutputVideoHeight = 720;
            break;

        case M4VIDEOEDITING_kHD1080:
            mOutputVideoWidth = 1080;
            mOutputVideoHeight = 720;
            break;

        case M4VIDEOEDITING_kHD960:
            mOutputVideoWidth = 960;
            mOutputVideoHeight = 720;
            break;

        default:
            LOGE("unsupported output video size set");
            return BAD_VALUE;
    }

    return OK;
}

M4OSA_ERR PreviewPlayer::doMediaRendering() {
    M4OSA_ERR err = M4NO_ERROR;
    M4VIFI_ImagePlane planeIn[3], planeOut[3];
    M4VIFI_UInt8 *inBuffer = M4OSA_NULL, *finalOutputBuffer = M4OSA_NULL;
    M4VIFI_UInt8 *tempOutputBuffer= M4OSA_NULL;
    size_t videoBufferSize = 0;
    M4OSA_UInt32 frameSize = 0, i=0, index =0, nFrameCount =0, bufferOffset =0;
    int32_t colorFormat = 0;

    if(!mIsVideoSourceJpg) {
        sp<MetaData> meta = mVideoSource->getFormat();
        CHECK(meta->findInt32(kKeyColorFormat, &colorFormat));
    }
    else {
        colorFormat = OMX_COLOR_FormatYUV420Planar;
    }

    videoBufferSize = mVideoBuffer->size();
    frameSize = (mVideoWidth*mVideoHeight*3) >> 1;

    uint8_t* outBuffer;
    size_t outBufferStride = 0;

    mVideoRenderer->getBuffer(&outBuffer, &outBufferStride);

    bufferOffset = index*frameSize;
    inBuffer = (M4OSA_UInt8 *)mVideoBuffer->data()+
                mVideoBuffer->range_offset()+bufferOffset;


    /* In plane*/
    prepareYUV420ImagePlane(planeIn, mVideoWidth,
      mVideoHeight, (M4VIFI_UInt8 *)inBuffer, mReportedWidth, mReportedHeight);

    // Set the output YUV420 plane to be compatible with YV12 format
    // W & H even
    // YVU instead of YUV
    // align buffers on 32 bits

    //In YV12 format, sizes must be even
    M4OSA_UInt32 yv12PlaneWidth = ((mOutputVideoWidth +1)>>1)<<1;
    M4OSA_UInt32 yv12PlaneHeight = ((mOutputVideoHeight+1)>>1)<<1;

    prepareYV12ImagePlane(planeOut, yv12PlaneWidth, yv12PlaneHeight,
     (M4OSA_UInt32)outBufferStride, (M4VIFI_UInt8 *)outBuffer);


    err = applyRenderingMode(planeIn, planeOut, mRenderingMode);

    if(err != M4NO_ERROR)
    {
        LOGE("doMediaRendering: applyRenderingMode returned err=0x%x", err);
        return err;
    }
    mVideoResizedOrCropped = true;

    return err;
}

status_t PreviewPlayer::resetJniCallbackTimeStamp() {

    mDecVideoTsStoryBoard = mStoryboardStartTimeMsec*1000;
    return OK;
}

void PreviewPlayer::postProgressCallbackEvent_l() {
    if (mProgressCbEventPending) {
        return;
    }
    mProgressCbEventPending = true;

    mQueue.postEvent(mProgressCbEvent);
}

void PreviewPlayer::onProgressCbEvent() {
    Mutex::Autolock autoLock(mLock);
    if (!mProgressCbEventPending) {
        return;
    }
    mProgressCbEventPending = false;
    // If playback starts from previous I-frame,
    // then send frame storyboard duration
    if((mDecodedVideoTs/1000) < mPlayBeginTimeMsec) {
        notifyListener_l(MEDIA_INFO, 0, mDecVideoTsStoryBoard/1000);
    }
    else {
        notifyListener_l(MEDIA_INFO, 0,
        (((mDecodedVideoTs+mDecVideoTsStoryBoard)/1000)-mPlayBeginTimeMsec));
    }
}

void PreviewPlayer::setVideoPostProcessingNode(
                    M4VSS3GPP_VideoEffectType type, M4OSA_Bool enable) {

    uint32_t effect = VIDEO_EFFECT_NONE;

    //Map M4VSS3GPP_VideoEffectType to local enum
    switch(type) {
        case M4VSS3GPP_kVideoEffectType_FadeFromBlack:
            effect = VIDEO_EFFECT_FADEFROMBLACK;
            break;

        case M4VSS3GPP_kVideoEffectType_FadeToBlack:
            effect = VIDEO_EFFECT_FADETOBLACK;
            break;

        case M4VSS3GPP_kVideoEffectType_CurtainOpening:
            effect = VIDEO_EFFECT_CURTAINOPEN;
            break;

        case M4VSS3GPP_kVideoEffectType_CurtainClosing:
            effect = VIDEO_EFFECT_CURTAINCLOSE;
            break;

        case M4xVSS_kVideoEffectType_BlackAndWhite:
            effect = VIDEO_EFFECT_BLACKANDWHITE;
            break;

        case M4xVSS_kVideoEffectType_Pink:
            effect = VIDEO_EFFECT_PINK;
            break;

        case M4xVSS_kVideoEffectType_Green:
            effect = VIDEO_EFFECT_GREEN;
            break;

        case M4xVSS_kVideoEffectType_Sepia:
            effect = VIDEO_EFFECT_SEPIA;
            break;

        case M4xVSS_kVideoEffectType_Negative:
            effect = VIDEO_EFFECT_NEGATIVE;
            break;

        case M4xVSS_kVideoEffectType_Framing:
            effect = VIDEO_EFFECT_FRAMING;
            break;

        case M4xVSS_kVideoEffectType_Fifties:
            effect = VIDEO_EFFECT_FIFTIES;
            break;

        case M4xVSS_kVideoEffectType_ColorRGB16:
            effect = VIDEO_EFFECT_COLOR_RGB16;
            break;

        case M4xVSS_kVideoEffectType_Gradient:
            effect = VIDEO_EFFECT_GRADIENT;
            break;

        default:
            effect = VIDEO_EFFECT_NONE;
            break;
    }

    if(enable == M4OSA_TRUE) {
        //If already set, then no need to set again
        if(!(mCurrentVideoEffect & effect)) {
            mCurrentVideoEffect |= effect;
            if(effect == VIDEO_EFFECT_FIFTIES) {
                mIsFiftiesEffectStarted = true;
            }
        }
    }
    else  {
        //Reset only if already set
        if(mCurrentVideoEffect & effect) {
            mCurrentVideoEffect &= ~effect;
        }
    }
}

status_t PreviewPlayer::setImageClipProperties(uint32_t width,uint32_t height) {
    mVideoWidth = width;
    mVideoHeight = height;
    return OK;
}


M4OSA_ERR PreviewPlayer::doVideoPostProcessing() {
    M4OSA_ERR err = M4NO_ERROR;
    vePostProcessParams postProcessParams;
    int32_t colorFormat = 0;


    if(!mIsVideoSourceJpg) {
        sp<MetaData> meta = mVideoSource->getFormat();
        CHECK(meta->findInt32(kKeyColorFormat, &colorFormat));
    }
    else {
        colorFormat = OMX_COLOR_FormatYUV420Planar;
    }

    if((colorFormat == OMX_COLOR_FormatYUV420SemiPlanar) ||
       (colorFormat == 0x7FA30C00)) {
          LOGE("doVideoPostProcessing: colorFormat YUV420Sp not supported");
          return M4ERR_UNSUPPORTED_MEDIA_TYPE;
    }

    postProcessParams.vidBuffer = (M4VIFI_UInt8*)mVideoBuffer->data()
        + mVideoBuffer->range_offset();

    postProcessParams.videoWidth = mVideoWidth;
    postProcessParams.videoHeight = mVideoHeight;
    postProcessParams.timeMs = mDecodedVideoTs/1000;
    postProcessParams.timeOffset = mDecVideoTsStoryBoard/1000;
    postProcessParams.effectsSettings = mEffectsSettings;
    postProcessParams.numberEffects = mNumberEffects;
    postProcessParams.outVideoWidth = mOutputVideoWidth;
    postProcessParams.outVideoHeight = mOutputVideoHeight;
    postProcessParams.currentVideoEffect = mCurrentVideoEffect;
    postProcessParams.renderingMode = mRenderingMode;
    if(mIsFiftiesEffectStarted == M4OSA_TRUE) {
        postProcessParams.isFiftiesEffectStarted = M4OSA_TRUE;
        mIsFiftiesEffectStarted = M4OSA_FALSE;
    }
    else {
       postProcessParams.isFiftiesEffectStarted = M4OSA_FALSE;
    }

    postProcessParams.overlayFrameRGBBuffer = mFrameRGBBuffer;
    postProcessParams.overlayFrameYUVBuffer = mFrameYUVBuffer;
    mVideoRenderer->getBuffer(&(postProcessParams.pOutBuffer), &(postProcessParams.outBufferStride));
    err = applyEffectsAndRenderingMode(&postProcessParams, mReportedWidth, mReportedHeight);

    return err;
}

status_t PreviewPlayer::readFirstVideoFrame() {
    LOGV("PreviewPlayer::readFirstVideoFrame");

    if (!mVideoBuffer) {
        MediaSource::ReadOptions options;
        if (mSeeking) {
            LOGV("LV PLAYER seeking to %lld us (%.2f secs)", mSeekTimeUs,
                    mSeekTimeUs / 1E6);

            options.setSeekTo(
                    mSeekTimeUs, MediaSource::ReadOptions::SEEK_CLOSEST);
        }
        for (;;) {
            status_t err = mVideoSource->read(&mVideoBuffer, &options);
            options.clearSeekTo();

            if (err != OK) {
                CHECK_EQ(mVideoBuffer, NULL);

                if (err == INFO_FORMAT_CHANGED) {
                    LOGV("LV PLAYER VideoSource signalled format change");
                    notifyVideoSize_l();
                    sp<MetaData> meta = mVideoSource->getFormat();

                    CHECK(meta->findInt32(kKeyWidth, &mReportedWidth));
                    CHECK(meta->findInt32(kKeyHeight, &mReportedHeight));

                    if (mVideoRenderer != NULL) {
                        mVideoRendererIsPreview = false;
                        initRenderer_l();
                    }
                    continue;
                }
                LOGV("PreviewPlayer: onVideoEvent EOS reached.");
                mFlags |= VIDEO_AT_EOS;
                postStreamDoneEvent_l(err);
                return OK;
            }

            if (mVideoBuffer->range_length() == 0) {
                // Some decoders, notably the PV AVC software decoder
                // return spurious empty buffers that we just want to ignore.

                mVideoBuffer->release();
                mVideoBuffer = NULL;
                continue;
            }

            int64_t videoTimeUs;
            CHECK(mVideoBuffer->meta_data()->findInt64(kKeyTime, &videoTimeUs));

            if((videoTimeUs/1000) < mPlayBeginTimeMsec) {
                // buffers are before begin cut time
                // ignore them
                //LOGI("PreviewPlayer: Ignoring buffers before begin cut time");
                mVideoBuffer->release();
                mVideoBuffer = NULL;
                continue;
            }

            break;
        }
    }

    int64_t timeUs;
    CHECK(mVideoBuffer->meta_data()->findInt64(kKeyTime, &timeUs));

    {
        Mutex::Autolock autoLock(mMiscStateLock);
        mVideoTimeUs = timeUs;
    }

    mDecodedVideoTs = timeUs;

    return OK;

}

}  // namespace android