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<\/colgroup>

name<\/p><\/th>

default<\/p><\/th>

usage<\/p><\/th>

semantics<\/p><\/th><\/tr><\/thead>

info<\/td>

off<\/td>

info<\/span><\/td>

Enable info-class logging. This includes logging of all fragments downloaded.<\/td><\/tr>

gst<\/td>

off<\/td>

get<\/td>

Enable lower-level g-streamer logging including pipeline dumps.<\/td><\/tr>

progress<\/td>

off<\/td>

progress<\/td>

Enable periodic logging of play position while streaming.<\/td><\/tr>

trace<\/td>

off<\/td>

trace<\/td>

Enable noisy trace-level logging. This includes dumps of manifests.<\/td><\/tr>

curl<\/td>

off<\/td>

curl<\/td>

Enable verbose curl logging.<\/td><\/tr>

debug<\/td>

off<\/td>

debug<\/td>

Enable “debug” class logging – unused?<\/td><\/tr>

abr<\/td>

on<\/td>

abr<\/td>

Disable ABR (profile switching). This is useful for isolating problems with specific profiles.<\/td><\/tr>

default-bitrate<\/td>

2500000<\/span><\/td>

default-bitrate=<#><\/span><\/td>

Specify initial bitrate while tuning, or target bitrate while abr disabled<\/span><\/td><\/tr>

default-bitrate-4k<\/td>

13000000<\/td>

default-bitrate-4k=<#><\/span><\/td>

Specify initial bitrate while tuning 4K contents, or target bitrate while abr disabled for 4K contents<\/td><\/tr>

throttle<\/td>

1<\/td>

throttle=0<\/td>

Software demuxer behavior (used with HLS ts).<\/td><\/tr>

flush<\/td>

1<\/td>

flush=0<\/td>

Allows pipeline to be preserved during channel changes.<\/td><\/tr>

demux-hls-audio-track<\/td>

1<\/td>

demux-hls-audio-track=0<\/td>

Set to zero to use hardware demuxer.<\/td><\/tr>

demux-hls-video-track<\/td>

1<\/td>

demux-hls-video-track=0<\/td>

Set to zero to use hardware demuxer.<\/span><\/td><\/tr>

demux-hls-video-track-tm<\/td>

1<\/td>

demux-hls-video-track-tm=0<\/td>

Set to zero to use hardware demuxer.<\/td><\/tr>

live-tune-event<\/td>

0<\/td>

live-tune-event=<#><\/p><\/td>

0: send streamplaying when playlist acquired (default)<\/span><\/p>

1: send streamplaying when first fragment decrypted<\/span><\/p>

2: send streamplaying when first frame visible
<\/span><\/p><\/td><\/tr>

vod-tune-event<\/td>

0<\/td>

vod-tune-event=<#><\/td>

0: send streamplaying when playlist acquired (default)<\/p>

1: send streamplaying when first fragment <\/p>

2: send streamplaying when first frame visible<\/p><\/td><\/tr>

appSrcForProgressivePlayback<\/td>

off<\/td>

appSrcForProgressivePlayback<\/span><\/td>

Enables appsrc for playing progressive AV type<\/td><\/tr>

decoderunavailablestrict<\/td>

off<\/td>

decoderunavailablestrict<\/td>

Reports decoder unavailable GST Warning as aamp error<\/td><\/tr>

demuxed-audio-before-video<\/td>

0<\/td>

demuxed-audio-before-video=1<\/td>

send audio es before video in case of s\/w demux<\/td><\/tr>

forceEC3<\/td>

0<\/td>

forceEC3=1<\/td>

inserts “-eac3” before .m3u8 in main manifest url. Useful to test Dolby track.<\/td><\/tr>

disableEC3<\/td>

0<\/td>

disableEC3=1<\/td>

removes “-eac3” before .m3u8 in main manifest url. Useful to disable Dolby track<\/p>

makes AAC preferred over ATMOS and DD+<\/p><\/td><\/tr>

disableATMOS<\/td>

0<\/td>

disableATMOS=1<\/span><\/td>

playback makes DD+ or AAC preferred over ATMOS (EC+3)<\/td><\/tr>

live-offset<\/td>

15<\/td>

live-offset=<#><\/span><\/td>

live offset time in seconds, aamp starts live playback this much time before the live point<\/td><\/tr>

cdvrlive-offset<\/td>

30<\/td>

cdvrlive-offset=<#><\/span><\/td>

live offset time in seconds for cdvr, aamp starts live playback this much time before the live point<\/td><\/tr>

disablePlaylistIndexEvent<\/td>

1<\/td>

disablePlaylistIndexEvent=0<\/td>

enable generation of playlist indexed event by AAMP on tune\/trickplay\/seek<\/td><\/tr>

enableSubscribedTags<\/td>

1<\/td>

enableSubscribedTags=0<\/td>

specifies if subscribedTags[] and timeMetadata events are enabled during HLS parsing<\/td><\/tr>

map-mpd<\/td>

0<\/td>

map-mpd=1<\/span><\/td>

<domain \/ host to map> Remap HLS playback url to DASH url for matching domain\/host string (.m3u8 to .mpd)<\/p><\/td><\/tr>

dash-ignore-base-url-if-slash<\/td>

off<\/td>

dash-ignore-base-url-if-slash<\/td>

disables dash BaseUrl value if it is \/ . Sample – http:\/\/assets.player.xcal.tv\/super8sapcc\/index.mpd<\/a><\/td><\/tr>

fog-dash<\/td>

1<\/td>

fog-dash=0<\/td>

Optional “de-fogging” for DASH locators<\/td><\/tr>

min-vod-cache<\/td>

0<\/td>

min-vod-cache=<#><\/span><\/td>

VOD duration to be cached before playing in seconds<\/td><\/tr>

networkTimeout<\/td>

10<\/td>

networkTimeout=<#><\/span><\/td>

Specify download time out in seconds<\/td><\/tr>

manifestTimeout<\/td>

10<\/td>

manifestTimeout=<#><\/td>

Specify manifest download time out in seconds<\/td><\/tr>

license-anonymous-request<\/td>

off<\/td>

license-anonymous-request<\/td>

Makes PlayReady\/WideVine license requests without access token<\/td><\/tr>

abr-cache-life<\/td>

5<\/td>

abr-cache-life=<#><\/td>

lifetime value for abr cache for network bandwidth calculation<\/td><\/tr>

abr-cache-length<\/td>

3<\/td>

abr-cache-length=<#><\/span><\/td>

length of abr cache for network bandwidth calculation<\/td><\/tr>

abr-cache-outlier<\/td>

5mb<\/td>

abr-cache-outlier=<#><\/td>

Outlier difference which will be ignored from network bandwidth calculation<\/td><\/tr>

abr-nw-consistency<\/td>

2<\/td>

abr-nw-consistency=<#><\/span><\/td>

Number of checks before profile incr\/decr by 1.This is to avoid frequenct profile switching with network change<\/td><\/tr>

abr-skip-duration<\/td>

6s<\/td>

abr-skip-duration=<#><\/span><\/td>

minimum duration of fragment to be downloaded before triggering abr<\/td><\/tr>

buffer-health-monitor-delay<\/td>

10<\/p><\/td>

buffer-health-monitor-delay=<#><\/span><\/td>

Override for buffer health monitor start delay after tune\/ seek<\/td><\/tr>

buffer-health-monitor-interval<\/td>

5<\/td>

buffer-health-monitor-interval=<#><\/td>

Override for buffer health monitor interval<\/td><\/tr>

hls-av-sync-use-start-time<\/td>

off<\/td>

hls-av-sync-use-start-time=1<\/td>

Use EXT-X-PROGRAM-DATE to synchronize audio and video playlists<\/td><\/tr>

playlists-parallel-fetch<\/td>

off<\/td>

playlists-parallel-fetch=1<\/td>

Fetch audio and video playlists in parallel. Disabled in default configuration<\/td><\/tr>

pre-fetch-iframe-playlist<\/td>

off<\/td>

pre-fetch-iframe-playlist=1<\/td>

Disable iframe playlist pre-fetch for VOD<\/td><\/tr>

license-server-url<\/td>

n\/a<\/td>

license-server-url=<serverUrl><\/td>

URL to be used for license requests for encrypted(PR\/WV) assets<\/td><\/tr>

ck-license-server-url<\/td>

n\/a<\/td>

ck-license-server-url=<serverUrl><\/td>

URL to be used for Clear Key license requests<\/td><\/tr>

license-retry-wait-time<\/td>

500<\/p><\/td>

license-retry-wait-time=<#><\/td>

Wait time (ms) before retrying again for DRM license, having value <=0 would disable retry<\/td><\/tr>

vod-trickplay-fps<\/td>

4<\/td>

vod-trickplay-fps=<#><\/td>

Specify the framerate for VOD trickplay<\/td><\/tr>

linear-trickplay-fps<\/td>

8<\/td>

linear-trickplay-fps=<#><\/td>

Specify the framerate for Linear trickplay<\/td><\/tr>

http-proxy<\/td>

off<\/td>

http-proxy=<scheme><\/span><\/td>

Specify the HTTP Proxy with schemes such as http, sock, https<\/p>

<USERNAME:PASSWORD>@<HTTP PROXY IP:HTTP PROXY PORT><\/p>

Specify the HTTP Proxy with Proxy Authentication Credentials.<\/p>

Make sure to encode special characters if present in username or password (URL Encoding)<\/p><\/td><\/tr>

mpd-discontinuity-handling<\/td>

1<\/td>

mpd-discontinuity-handling=0<\/td>

Disable discontinuity handling during MPD period transition<\/td><\/tr>

mpd-discontinuity-handling-cdvr<\/td>

1<\/td>

mpd-discontinuity-handling-cdvr=0<\/td>

Disable discontinuity handling during MPD period transition for cDvr<\/td><\/tr>

force-http<\/td>

0<\/td>

force-http=1<\/span><\/td>

Allow forcing of HTTP protocol for HTTPS URLs<\/td><\/tr>

internal-retune<\/td>

1<\/td>

internal-retune=0<\/td>

Disable internal reTune logic on underflows\/ pts errors<\/td><\/tr>

re-tune-on-buffering-timeout<\/td>

1<\/td>

re-tune-on-buffering-timeout=0<\/td>

Disable internal re-tune on buffering time-out<\/td><\/tr>

gst-buffering-before-play<\/td>

1<\/td>

gst-buffering-before-play=0<\/td>

Disable pre buffering logic which ensures minimum buffering is done before pipeline play<\/td><\/tr>

audioLatencyLogging<\/td>

off<\/td>

audioLatencyLogging<\/td>

Enable Latency logging for Audio fragment downloads<\/td><\/tr>

videoLatencyLogging<\/td>

off<\/td>

videoLatencyLogging<\/td>

Enable Latency logging for Video fragment downloads<\/td><\/tr>

iframeLatencyLogging<\/td>

off<\/td>

iframeLatencyLogging<\/td>

Enable Latency logging for Video fragment downloads<\/td><\/tr>

iframeLatencyLogging<\/td>

off<\/td>

iframeLatencyLogging<\/td>

Enable Latency logging for Iframe fragment downloads<\/td><\/tr>

pts-error-threshold<\/td>

4<\/td>

pts-error-threshold=<#><\/td>

aamp maximum number of back-to-back pts errors to be considered for triggering a retune<\/td><\/tr>

fragment-cache-length<\/td>

3<\/td>

fragment-cache-length=<#><\/td>

aamp fragment cache length<\/td><\/tr>

iframe-default-bitrate<\/td>

0<\/td>

iframe-default-bitrate=<#><\/td>

specify bitrate threshold for selection of iframe track in non-4K assets (less than or equal to X)<\/td><\/tr>

iframe-default-bitrate-4k<\/td>

0<\/td>

iframe-default-bitrate-4k=<#><\/span><\/td>

specify bitrate threshold for selection of iframe track in 4K assets (less than or equal to X)<\/td><\/tr>

curl-stall-timeout<\/td>

0<\/td>

curl-stall-timeout=<#><\/td>

specify the value in seconds for a CURL download to be deemed as stalled after download freezes, 0 to disable<\/td><\/tr>

curl-download-start-timeout<\/td>

0<\/td>

curl-download-start-timeout=<#><\/td>

specify the value in seconds for after which a CURL download is aborted if no data is received after connect, 0 to disable<\/p>

<\/p><\/td><\/tr>

playready-output-protection<\/td>

0<\/td>

playready-output-protection=1<\/td>

enable HDCP output protection for DASH-PlayReady playback<\/td><\/tr>

max-playlist-cache<\/td>

3MB<\/td>

max-playlist-cache=<#><\/span><\/td>

Max Size of Cache to store the VOD Manifest\/playlist<\/td><\/tr>

wait-time-before-retry-http-5xx-ms<\/td>

1s<\/td>

wait-time-before-retry-http-5xx-ms=<#><\/span><\/td>

wait time before retry for 5xx http errors<\/td><\/tr>

sslverifypeer<\/td>

off<\/td>

sslverifypeer=1<\/td>

Enable TLS certificate verification<\/td><\/tr>

subtitle-language<\/td>

en<\/td>

subtitle-language=<#><\/td>

ISO 639-1 code of preferred subtitle language<\/td><\/tr>

enable_videoend_event<\/td>

1<\/td>

enable_videoend_event=0<\/td>

Disable Video End event generation<\/td><\/tr>

dash-max-drm-sessions<\/td>

2<\/td>

dash-max-drm-sessions=<#><\/td>

Max drm sessions that can be cached by AampDRMSessionManager. Expected value range is 2 to 30<\/td><\/tr>

enable_setvideorectangle<\/td>

off<\/td>

enable_setvideorectangle<\/td>

Enable AAMP to set rectangle property to sink<\/td><\/tr>

discontinuity-timeout<\/td>

3000<\/td>

discontinuity-timeout=<#><\/td>

Value in MS after which AAMP will try recovery for discontinuity stall after detecting empty buffer<\/p>

0 disables feature<\/p><\/td><\/tr>

aamp-abr-threshold-size<\/td>

25000<\/td>

aamp-abr-threshold-size=<#><\/td>

Specify min fragment size threshold for ABR estimation contribution<\/td><\/tr>

harvestpath<\/td>

off<\/td>

harvestpath=<#><\/td>

Specify the path where fragments should be harvested,check folder permissions specifying the path<\/td><\/tr>

descriptiveaudiotrack<\/td>

off<\/td>

descriptiveaudiotrack<\/span><\/td>

if present, audio tracks will be advertised and selected using syntax <langcode>-<role> instead of just <langcode><\/td><\/tr>

langcodepref<\/td>

0<\/td>

langcodepref=<#><\/td>

0: NO_LANGCODE_PREFERENCE (pass through language codes from manifest – default)<\/span><\/p>

1: ISO639_PREFER_3_CHAR_BIBLIOGRAPHIC_LANGCODE language codes normalized to 3-character iso639-2 bibliographic encoding(i.e. “ger”)<\/p>

2: ISO639_PREFER_3_CHAR_TERMINOLOGY_LANGCODE langguage codes normalized to 3-character iso639-2 terminology encoding (i.e. “deu”)<\/p>

3: ISO639_PREFER_2_CHAR_LANGCODE language codes normalized to 2-character iso639-1 encoding (i.e. “de”)<\/p><\/td><\/tr>

reportbufferevent<\/td>

1<\/td>

reportbufferevent=0<\/td>

Optionally disable reporting buffer event for buffer underflow<\/td><\/tr>

enable-tune-profiling<\/td>

0<\/td>

enable-tune-profiling=1<\/td>

Enable “MicroEvent” tune profiling using – both in splunk (for receiver-integrated aamp) and via console logging.<\/td><\/tr><\/tbody><\/table> <\/div>

Channel Override Feature<\/h3>

Example adding the following in aamp.cfg will make tune to the given url (Spring_4Ktest) on tuning to url with USAHD in it<\/li>

This can be done for n number of channels.

*USAHD <\/span>https:\/\/dash.akamaized.net\/akamai\/streamroot\/050714\/Spring_4Ktest.mpd<\/a><\/li>

*FXHD <\/span>http:\/\/demo.unified-streaming.com\/video\/tears-of-steel\/tears-of-steel-dash-playready.ism\/.mpd<\/a><\/li><\/ul><\/li><\/ul>

Remote Feature Control (RFC) List<\/h3>

<\/colgroup>

Name<\/p><\/th>

Description<\/p><\/th><\/tr><\/thead>

TUNE_MICRO_EVENTS<\/pre><\/td>

Generate \"MicroEvents\" profiling for initiated tunes<\/pre><\/td><\/tr>

AAMP_WESTEROS_SINK<\/pre><\/td>

Enable use of Westerossink<\/pre><\/td><\/tr>

DISABLE_NONCOMPOSITED_WEBGL_FOR_IPVIDEO<\/pre><\/td>

Combine with <\/span>AAMP_WESTEROS_SINK as workaround in RDK3.14 to allow easter-egg triggered diagnostics feature to again work.<\/span><\/td><\/tr><\/tbody><\/table> <\/div>

Tr181 Parameter List<\/h3>

<\/colgroup>

Name<\/p><\/th>

Description<\/p><\/th><\/tr><\/thead>

tr181.Device.DeviceInfo.X_RDKCENTRAL-COM_RFC.Feature.AAMP_CFG.DashPlaybackExclusions<\/pre><\/td>

For enabling dash using URL conversion by JSP : Value = VOD:LINEAR_TV:CDVR:IVOD<\/pre><\/td><\/tr>

tr181.Device.DeviceInfo.X_RDKCENTRAL-COM_RFC.Feature.AAMP_CFG.b64Config<\/pre><\/td>

For bulk setting one or more aamp config parameters : Value = Base64 encoded aamp.cfg file content<\/pre><\/td><\/tr><\/tbody><\/table> <\/div>Westerossink Notes<\/h3>Currently, use of Westeros is default-disabled, and can be enabled via RFC as described above.  Alternately, to apply, Developers can add below flag in SetEnv.sh under \/opt, then restart the receiver process:export AAMP_ENABLE_WESTEROS_SINK=true<\/li><\/ul><\/li>
Note<\/strong>: Above is now used as a common FLAG by AAMP and Receiver module to configure Westeros direct rendering instead of going through browser rendering. This allows for smoother video zoom animations<\/li>
However, note that with this optimization applied, the AAMP Diagnostics overlays cannot be made visible.<\/li>
As a temporary workaround, the following flag can be used  by developers which will make diagnostic overlay again visible at expense of zoom smoothness:export DISABLE_NONCOMPOSITED_WEBGL_FOR_IPVIDEO=1<\/li><\/ul><\/li><\/ul>
<\/p><\/body><\/html>\n","protected":false},"excerpt":{"rendered":"
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