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Trick operations supported by AAMP

  1. 1x ( speed level 4 )
  2. 2x ( speed level 16 )
  3. 3x ( speed level 32 )
  4. 4x ( speed level 64 )

Trick play supported over AAMP : Lightning speed

  1. Lightning : During the lightning speed AAMP will be in paused state and that will be resumed once player is served with play state.


Example here is Fast Forward ( HLS playback ) Case here is similar for DASH playback as well

User pressing fast forward key


User pressing fast forward key
[AAMP-PLAYER] aamp-cli> ff 4
1615825050:101 : [AAMP-PLAYER]aamp_SetRate(4)overshoot(0) ProgressReportDelta:(105) 
1615825050:101 : [AAMP-PLAYER]aamp_SetRate Adj position: 6.000000
1615825050:101 : [AAMP-PLAYER]aamp_SetRate rate(1)->(4)
1615825050:101 : [AAMP-PLAYER]aamp_SetRate cur pipeline: playing
1615825050:101 : [AAMP-PLAYER]TeardownStream:4580 mProgressReportFromProcessDiscontinuity:0 mDiscontinuityTuneOperationId:0 newTune:0
1615825050:102 : [AAMP-PLAYER]StopWaitForPlaylistRefresh:7118 track [audio]
1615825050:102 : [AAMP-PLAYER]StopWaitForPlaylistRefresh:7118 track [video]
1615825050:102 : [AAMP-PLAYER]StopWaitForPlaylistRefresh:7118 track [video]
1615825050:104 : [AAMP-PLAYER]AAMPGstPlayer::Flush:3440 Pipeline is in PLAYING state position 0.000000 ret 1

1615825050:108 : [AAMP-PLAYER]alsasink1 PAUSED -> PAUSED (pending PAUSED)
1615825050:108 : [AAMP-PLAYER]abin PAUSED -> PAUSED (pending PAUSED)
1615825050:109 : [AAMP-PLAYER]playsink PAUSED -> PAUSED (pending PAUSED)
1615825050:109 : [AAMP-PLAYER]playbin3 PAUSED -> PAUSED (pending PAUSED)
1615825050:109 : [AAMP-PLAYER]AAMPGstPlayerPipeline PAUSED -> PAUSED (pending PAUSED)
1615825050:109 : [AAMP-PLAYER]msg type: reset-time
1615825050:145 : [AAMP-PLAYER]westerossink1 PAUSED -> PAUSED (pending PAUSED)
1615825050:145 : [AAMP-PLAYER]vbin PAUSED -> PAUSED (pending PAUSED)
1615825050:145 : [AAMP-PLAYER]playsink PAUSED -> PAUSED (pending PAUSED)
1615825050:145 : [AAMP-PLAYER]playbin2 PAUSED -> PAUSED (pending PAUSED)
1615825050:146 : [AAMP-PLAYER]msg type: reset-time
1615825050:146 : [AAMP-PLAYER]PlayerInstanceAAMP() : AVE DRM disabled
1615825050:146 : [AAMP-PLAYER]hls fragment collector seekpos = 6.000000
1615825050:146 : [AAMP-PLAYER]StreamAbstractionAAMP_HLS::Init:4073 Main manifest retrieved from cache
1615825050:147 : [AAMP-PLAYER]StreamAbstractionAAMP_HLS::GetPlaylistURI():3418 Couldn't find subtitle URI for preferred language: 
1615825050:628 : [AAMP-PLAYER]aamp: EXT-X-PLAYLIST-TYPE - VOD
1615825050:628 : [AAMP-PLAYER]IndexPlaylist iframe StartTimeForPlaylistSync : 0.000000 
1615825050:629 : [AAMP-PLAYER]GetCompletionTimeForFragment:2232 bad index! mediaSequenceNumber=-1, indexFirstMediaSequenceNumber=0
1615825050:629 : [AAMP-PLAYER]GetFormatFromFragmentExtension:3496 Could not find extension from line KeyFrames(video=0,format=m3u8-aapl)
1615825050:629 : [AAMP-PLAYER]StreamAbstractionAAMP_HLS::GetStreamOutputFormatForTrack 7720 Track[0] format is 7 [avc1.]
1615825050:629 : [AAMP-PLAYER]StreamAbstractionAAMP_HLS::Init : Configure video TS track demuxing demuxOp 2
1615825050:629 : [AAMP-PLAYER]StreamAbstractionAAMP_HLS::Init:4816 seek target out of range, mark EOS. playTarget:6.000000 End:6.366000. 
1615825050:629 : [AAMP-PLAYER]mpStreamAbstractionAAMP Init Failed.Seek Position(6.000000) out of range(6)
1615825050:629 : [AAMP-PLAYER]NotifyEOSReached: Enter . processingDiscontinuity 0
1615825050:629 : [AAMP-PLAYER]SetCallbackAsDispatched:7585 id not in mPendingAsyncEvents, insert and mark as not pending
1615825050:629 : [AAMP-PLAYER]AAMP_EVENT_EOS
1615825050:629 : [AAMP-PLAYER]SetCallbackAsPending:7602 id already in mPendingAsyncEvents and completed, erase it
1615825050:629 : [AAMP-PLAYER]SetCallbackAsDispatched:7585 id not in mPendingAsyncEvents, insert and mark as not pending
1615825050:629 : [AAMP-PLAYER]SetCallbackAsPending:7602 id already in mPendingAsyncEvents and completed, erase it
1615825050:629 : [AAMP-PLAYER]SetCallbackAsDispatched:7585 id not in mPendingAsyncEvents, insert and mark as not pending
1615825050:629 : [AAMP-PLAYER]AAMP_EVENT_SPEED_CHANGED
1615825050:629 : [AAMP-PLAYER]SetCallbackAsPending:7602 id already in mPendingAsyncEvents and completed, erase it
[AAMP-PLAYER] aamp-cli>


XRE message for set speed 4 (1x)

2019 Jun 27 14:04:25.127952 pacexi5 Receiver[6829]: Thread-6829 [VideoResource] - playbackmode [VOD] setSpeed [4] REQUEST overshoot[0]

AAMPWebvideo call for set speed

2019 Jun 27 14:04:25.128377 pacexi5 Receiver[6829]: Thread-6829 [AAMP-WEB] - callMethodInBrowser -> calling setSpeed

AAMP native call for set speed


AAMP native call for set speed
[AAMP-PLAYER] aamp-cli> ff 4
1615825050:101 : [AAMP-PLAYER]aamp_SetRate(4)overshoot(0) ProgressReportDelta:(105)
1615825050:101 : [AAMP-PLAYER]aamp_SetRate Adj position: 6.000000
1615825050:101 : [AAMP-PLAYER]aamp_SetRate rate(1)->(4)
1615825050:101 : [AAMP-PLAYER]aamp_SetRate cur pipeline: playing


Stopping current playback to process trick play for speed 4. Stopping the audio video injector thread

Stopping current playback to process trick play for speed 4. Stopping the audio video injector thread
1615828166:962 : [AAMP-PLAYER]SetRate:433 PLAYER[0] rate=4.
1615828166:962 : [AAMP-PLAYER]aamp_SetRate(4)overshoot(0) ProgressReportDelta:(56596) 
1615828166:962 : [AAMP-PLAYER]aamp_SetRate Adj position: 0.000000
1615828166:962 : [AAMP-PLAYER]aamp_SetRate rate(1)->(4)
1615828166:962 : [AAMP-PLAYER]aamp_SetRate cur pipeline: playing
1615828166:962 : [AAMP-PLAYER]TeardownStream:4580 mProgressReportFromProcessDiscontinuity:0 mDiscontinuityTuneOperationId:0 newTune:0
1615828166:963 : [AAMP-PLAYER]StopWaitForPlaylistRefresh:7118 track [audio]
1615828166:963 : [AAMP-PLAYER]RunFetchLoop:5473: fragment collector done. track audio
1615828166:963 : [AAMP-PLAYER]RunFetchLoop:5473: fragment collector done. track video
1615828166:963 : [AAMP-PLAYER]WaitForCachedFragmentAvailable audio aborted
1615828166:963 : [AAMP-PLAYER]fragment injector done. track audio
1615828166:963 : [AAMP-PLAYER]WaitForCachedFragmentAvailable video aborted
1615828166:963 : [AAMP-PLAYER]fragment injector done. track video

Player level tune initialization and Gstreamer pipeline creation for the playback; iframe manifest request

Player level tune initialization and Gstreamer pipeline creation for the playback; iframe manifest request
2021 Apr 05 05:37:12.507919 WPEWebProcess[9456]: [AAMP-PLAYER]AAMPGstPlayer::Flush:3443 Pipeline is in PLAYING state position 0.000000 ret 1
2021 Apr 05 05:37:12.549339 WPEFramework[6988]: 11:07:12:549 INFO  av_sync_destroy:197: begin
2021 Apr 05 05:37:12.549743 WPEFramework[6988]: 11:07:12:549 INFO  tsync_send_video_stop:112: video stop
2021 Apr 05 05:37:12.551656 WPEFramework[6988]: 11:07:12:551 INFO  av_sync_destroy:211: done
2021 Apr 05 05:37:12.684439 WPEWebProcess[9456]: [AAMP-PLAYER]PrivateStreamAbstractionMPD::UpdateMPD:4323 manifest retrieved from cache
2021 Apr 05 05:37:12.687421 WPEWebProcess[9456]: [AAMP-PLAYER]PrivateStreamAbstractionMPD::Init:3725 - MPD duration str PT888.053S val 888 seconds
2021 Apr 05 05:37:12.687502 WPEWebProcess[9456]: [AAMP-PLAYER]GetPeriodEndTime:3438 :  Period startTime required to calculate period duration not present in MPD
2021 Apr 05 05:37:12.687550 WPEWebProcess[9456]: [AAMP-PLAYER]GetBestAudioTrackByLanguage: aamp->language en, aamp->noExplicitUserLanguageSelection false, aamp->preferredLanguages "en"
2021 Apr 05 05:37:12.687593 WPEWebProcess[9456]: [AAMP-PLAYER]PrivateStreamAbstractionMPD::StreamSelection 5583 > lang[en] AudioType[2]
2021 Apr 05 05:37:12.687637 WPEWebProcess[9456]: [AAMP-PLAYER]PrivateStreamAbstractionMPD::StreamSelection 5845 > Media[video] Adaptation set[10] RepIdx[-1] TrackCnt[1]
2021 Apr 05 05:37:12.687659 WPEWebProcess[9456]: [AAMP-PLAYER]ProcessContentProtection:3140 (video) Skipping creation of session for duplicate helper
2021 Apr 05 05:37:12.687682 WPEWebProcess[9456]: [AAMP-PLAYER]PrivateStreamAbstractionMPD::StreamSelection 5858 > Media[video] enabled
2021 Apr 05 05:37:12.687720 WPEWebProcess[9456]: [AAMP-PLAYER]PrivateStreamAbstractionMPD::StreamSelection() 5759 Audio Track - lang:en, group:main, name:11, codec:mp4a.40.2, bandwidth:132445
2021 Apr 05 05:37:12.687752 WPEWebProcess[9456]: [AAMP-PLAYER]PrivateStreamAbstractionMPD::StreamSelection() 5759 Audio Track - lang:en, group:main, name:23, codec:opus, bandwidth:130600
2021 Apr 05 05:37:12.687777 WPEWebProcess[9456]: [AAMP-PLAYER]PrivateStreamAbstractionMPD::StreamSelection 5845 > Media[audio] Adaptation set[11] RepIdx[0] TrackCnt[2]
2021 Apr 05 05:37:12.687800 WPEWebProcess[9456]: [AAMP-PLAYER]ProcessContentProtection:3140 (audio) Skipping creation of session for duplicate helper
2021 Apr 05 05:37:12.687822 WPEWebProcess[9456]: [AAMP-PLAYER]PrivateStreamAbstractionMPD::StreamSelection 5858 > Media[audio] enabled
2021 Apr 05 05:37:12.687847 WPEWebProcess[9456]: [AAMP-PLAYER]PrivateStreamAbstractionMPD::StreamSelection() 5765 Text Track - lang:nl, isCC:0, group:, name:0, codec:
2021 Apr 05 05:37:12.687874 WPEWebProcess[9456]: [AAMP-PLAYER]PrivateStreamAbstractionMPD::StreamSelection() 5765 Text Track - lang:en, isCC:0, group:main, name:1, codec:
2021 Apr 05 05:37:12.687900 WPEWebProcess[9456]: [AAMP-PLAYER]PrivateStreamAbstractionMPD::StreamSelection() 5765 Text Track - lang:fr, isCC:0, group:, name:2, codec:
2021 Apr 05 05:37:12.687996 WPEWebProcess[9456]: [AAMP-PLAYER]PrivateStreamAbstractionMPD::StreamSelection() 5765 Text Track - lang:de, isCC:0, group:, name:3, codec:
2021 Apr 05 05:37:12.688020 WPEWebProcess[9456]: [AAMP-PLAYER]PrivateStreamAbstractionMPD::StreamSelection() 5765 Text Track - lang:it, isCC:0, group:, name:4, codec:
2021 Apr 05 05:37:12.688051 WPEWebProcess[9456]: [AAMP-PLAYER]PrivateStreamAbstractionMPD::StreamSelection() 5765 Text Track - lang:pl, isCC:0, group:, name:5, codec:
2021 Apr 05 05:37:12.688074 WPEWebProcess[9456]: [AAMP-PLAYER]PrivateStreamAbstractionMPD::StreamSelection() 5765 Text Track - lang:pt, isCC:0, group:, name:6, codec:
2021 Apr 05 05:37:12.688099 WPEWebProcess[9456]: [AAMP-PLAYER]PrivateStreamAbstractionMPD::StreamSelection() 5765 Text Track - lang:ru, isCC:0, group:, name:7, codec:
2021 Apr 05 05:37:12.688123 WPEWebProcess[9456]: [AAMP-PLAYER]PrivateStreamAbstractionMPD::StreamSelection() 5765 Text Track - lang:es, isCC:0, group:, name:8, codec:
2021 Apr 05 05:37:12.688151 WPEWebProcess[9456]: [AAMP-PLAYER]PrivateStreamAbstractionMPD::StreamSelection() 5765 Text Track - lang:vi, isCC:0, group:, name:9, codec:
2021 Apr 05 05:37:12.688181 WPEWebProcess[9456]: [AAMP-PLAYER]PrivateStreamAbstractionMPD::StreamSelection 5854 > No valid adaptation set found for Media[text]
2021 Apr 05 05:37:12.688202 WPEWebProcess[9456]: [AAMP-PLAYER]PrivateStreamAbstractionMPD::StreamSelection 5858 > Media[text] disabled
2021 Apr 05 05:37:12.688280 WPEWebProcess[9456]: [ABRManager] getInitialProfileIndex:195 Get initial profile index = 8, bitrate = 9260354 and defaultBitrate = 13000000
                                                 
2021 Apr 05 05:37:12.688316 WPEWebProcess[9456]: [AAMP-PLAYER]GetPeriodEndTime:3438 :  Period startTime required to calculate period duration not present in MPD
2021 Apr 05 05:37:12.688346 WPEWebProcess[9456]: [AAMP-PLAYER]GetPeriodEndTime:3438 :  Period startTime required to calculate period duration not present in MPD
2021 Apr 05 05:37:13.620380 WPEWebProcess[9456]: [AAMP-PLAYER]PrivateStreamAbstractionMPD::Init:4199 - fetch initialization fragments
2021 Apr 05 05:37:14.311736 WPEWebProcess[9456]: [AAMP-PLAYER]TuneHelper:4984 Updated seek_pos_seconds 48.000000 culledSeconds :0.000000
2021 Apr 05 05:37:14.411902 WPEWebProcess[9456]: [AAMP-PLAYER]AAMPGstPlayer::Flush:3443 Pipeline is in PAUSED state position 0.000000 ret 2
2021 Apr 05 05:37:14.436695 WPEWebProcess[9456]: [AAMP-PLAYER]AAMPGstPlayer::Configure 2484 > format 2 audioFormat 2

iFrame fragment request, send segment; pipeline state is changing from Paused to Playing after sending the segment

iFrame fragment request, send segment; pipeline state is changing from Paused to Playing after sending the segment
2021 Apr 05 05:37:13.620380 WPEWebProcess[9456]: [AAMP-PLAYER]PrivateStreamAbstractionMPD::Init:4199 - fetch initialization fragments
2021 Apr 05 05:37:14.311736 WPEWebProcess[9456]: [AAMP-PLAYER]TuneHelper:4984 Updated seek_pos_seconds 48.000000 culledSeconds :0.000000
2021 Apr 05 05:37:14.411902 WPEWebProcess[9456]: [AAMP-PLAYER]AAMPGstPlayer::Flush:3443 Pipeline is in PAUSED state position 0.000000 ret 2
2021 Apr 05 05:37:14.436695 WPEWebProcess[9456]: [AAMP-PLAYER]AAMPGstPlayer::Configure 2484 > format 2 audioFormat 2
2021 Apr 05 05:37:14.437313 WPEWebProcess[9456]: [AAMP-PLAYER]fragment injector started. track audio
2021 Apr 05 05:37:14.437685 WPEWebProcess[9456]: [AAMP-PLAYER]msg type: reset-time
2021 Apr 05 05:37:14.440511 WPEFramework[6988]: gst_qtdemux_handle_sink_event:2320 - aamp_override - enabled = 0, player = 1, rate  1.000000
2021 Apr 05 05:37:14.440936 WPEFramework[6988]: http://cpetestutility.stb.r53.xcal.tv/players/version10/js/src/Mediaplayer.js:898:32: CONSOLE LOG AAMP: progress update: {"event":{"durationMiliseconds":888053,"positionMiliseconds":48000,"playbackSpeed":1,"startMiliseconds":0,"endMiliseconds":888053,"currentPTS":-1,"videoBufferedMiliseconds":0}}
2021 Apr 05 05:37:14.441402 WPEFramework[6988]: http://cpetestutility.stb.r53.xcal.tv/players/version10/js/src/Mediaplayer.js:904:32: CONSOLE LOG Mediaplayer.playbackProgressUpdate (AAMP): currentTime (ms): 48000
2021 Apr 05 05:37:14.437854 WPEWebProcess[9456]: [AAMP-PLAYER]Sending segment event for mediaType[1]. start 48006000518 stop 18446744073709551615 rate 1.000000 applied_rate 1.000000
2021 Apr 05 05:37:14.442513 WPEFramework[6988]: AAMPMediaPlayerJS_getSupportedKeySystems(): Invoked getSupportedKeySystems
2021 Apr 05 05:37:14.443078 WPEFramework[6988]: gst_qtdemux_handle_sink_event:2320 - aamp_override - enabled = 0, player = 1, rate  1.000000
2021 Apr 05 05:37:14.440626 WPEWebProcess[9456]: [AAMP-PLAYER]AAMPGstPlayerPipeline PAUSED -> PAUSED (pending PAUSED)
2021 Apr 05 05:37:14.440668 WPEWebProcess[9456]: [AAMP-PLAYER]msg type: reset-time
2021 Apr 05 05:37:14.440705 WPEWebProcess[9456]: [AAMP-PLAYER]msg type: reset-time
2021 Apr 05 05:37:14.440753 WPEWebProcess[9456]: [AAMP-PLAYER]msg type: reset-time
2021 Apr 05 05:37:14.440821 WPEWebProcess[9456]: [AAMP-PLAYER]fragment injector started. track video
2021 Apr 05 05:37:14.441054 WPEWebProcess[9456]: [AAMP-PLAYER]Sending segment event for mediaType[0]. start 48000000000 stop 18446744073709551615 rate 1.000000 applied_rate 1.000000
...
2021 Apr 05 05:37:17.118008 WPEWebProcess[9456]: [AAMP-PLAYER]AAMPGstPlayerPipeline PAUSED -> PAUSED (pending VOID_PENDING) 
...
2021 Apr 05 05:37:17.268459 WPEWebProcess[9456]: [AAMP-PLAYER]AAMPGstPlayerPipeline PAUSED -> PLAYING (pending VOID_PENDING)



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