Advanced Adaptive Media Player (AAMP) Overview

AAMP is a versatile player library capable of HLS and DASH playback, developed as an open-source lightweight IP video player. It supports multiple DRMs, offers improved performance, and reduces costs. AAMP features Java-script-based playback, audio/video buffering management, codec support for 4K streaming, and a flexible architecture enabling HTML5-based playback.

• Media Player
• AAMP
• Video Streaming
• Open Source
• HLS

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Uploaded on Jul 18, 2024 | 0 Views

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Presentation Transcript

1. Overview on AAMP Introduction to AAMP AAMP Features AAMP Architecture AAMP Playback (HLS/DASH) Unified Video Engine (UVE) Interface AAMP Debugging and Testing

2. Introduction to AAMP 01 Advanced Adaptive Media Player 02 Player library that uses Gstreamer to playback IP Video What is AAMP? 03 Capable of APPLE HLS and MPEG DASH playback RDK-M licensed 04 Contributed to RDK community by Comcast 05

3. Introduction to AAMP History of AAMP Started as an IP Player PoC for a low end set top box Light weight player for HLS with Adobe Access Support added for DASH playback with PlayReady and WideVine DRM Used for providing 4K VOD of 2017 Winter Olympics Made GA in 2018 1 2 3 4 5 HISTORY OF AAMP

4. Introduction to AAMP Why AAMP? IP Stream Playback Lightweight IP Video player Support multiple DRMs 2 4 6 1 3 5 Need for open source IP Player Improved performance Reduced costs

5. AAMP Supported Platforms RDK Linux 1 2 Supported Platforms Win32 OSX 4 3

6. AAMP Features 1 3 5 Java Script Player based playback HLS with Fragmented mp4 Live/VOD/ cDVR streams Playback APPLE HLS and MPEG DASH streams HTML5 Video tag based playback Ad inserted streams 6 2 4 HLS: Adobe Access and Vanilla AES Supported DRMs DASH : PlayReady and WideVine

7. AAMP Features (Cont.) Codec Support 4K streaming with SVP on supported platforms DD+ and ATMOS, on supported platforms Miscellaneous Variety of configuration options Log and event support for tune/ anomaly metrics

8. AAMP Architecture Java Script Player or application directly creates AAMP Player Instance Audio /Video buffers are pushed to playbin using appsrc AAMP manages the Gstreamer pipeline AAMP as a Player Library Audio /Video buffers are pushed to Gstaamp s srcpads AAMPs Gstreamer plugin Gstaamp is loaded in the Gstreamer pipeline Enables HTML5 based playback AAMP as a Plugin 1 2 3 4 5 Gstaamp creates AAMP player instance Webkit manages the Gstreamer pipeline

9. AAMP Architecture AAMP as a Player JS Player XRE NR AAMPWebVideoItem WPEWebProcess AAMP AAMP JS Bindings libCurl DASH Manager Libdash/libxml HLS Manager HLS DRM Manager Access DRM/openssl DASH DRM Manager PR/WV CDM MPEG2TS Trickmode handler AAMP PR/WV Plugins Gstreamer Plugins playbin (appsrc) AAMP Gstreamer Application

10. AAMP Architecture AAMP as a Plugin WPE Browser MediaPlayerPrivateGstreamer AAMP JS Controller Gstreamer Playbin AAMP Gstreamer Plugins AAMP Gstreamer Plugin AAMP PR/WV Plugins DASH DRM Manager PR/WV CDM HLS Manager DASH Manager Libdash/libxml MPEG2TS Trickmode handler HLS DRM Manager Access DRM/openssl libCurl

11. AAMP Workflow : HLS Playback 1 3 5 Download Manifest & Parse Push to GStreamer Decrypt 2 4 6 Identify & Download Fragments Demux Video Displayed

12. AAMP Workflow : DASH Playback Tune Request (Manifest URL) DRM License Server Manifest/Fragment Collector AAMP DRM Session Manager PR/WV CDM AAMP PR/WV Plugins Gstreamer Pipeline aapsrc qtdemux Decoder Plugins

13. Unified Video Engine (UVE) Interface targeting OTT app vendors for migrating apps to STB AAMPs JavaScript binding 1 2 interfaces What is UVE? Already used by Easy to integrate to any JavaScript application 4 3 ChannelStore, PlutoTV and MDU Camera apps

14. AAMP Debugging and Testing aampcli playbintest aamp.cfg file is used for configuration support Interactive standalone command-line application Built along with AAMP Used to test AAMP player http urls can be entered directly to start playback command-line application similar to aampcli Invokes AAMP in plugin mode aamp:// URLs is provided to start playback Configuration support available for Logging Audio codec selection Bitrate selection Toggle ABR Preferred DRM (in case of CENC) Connection timeout, retry intervals Virtual channel map etc... RDKBrowser2 $ rdkbrowser2.sh http://127.0.0.1/player.html gst-launch using playbin $gst-launch-1.0 playbin uri=aamp://devimages.apple.com/iphone/samples/bipbop/bipbopall.m3u8 video-sink=westerossink audio-sink=omxhdmiaudiosink