Maemo Multimedia Framework

Multimedia Framework Maemo Summit Berlin 2008 Multimedia Framework / Maemo SW 19.Sep.2008 Maemo Summit Berlin Dr. Stefan Kost, Luc Pionchon, Felipe Contreras

MMFs Delivery ● MM APIs: GStreamer, Helix, OpenMAX, ... ● Codecs on ARM and DSP ● PulseAudio ● A few UIs for settings ● Accessory detection Multimedia Framework / Maemo SW 19.Sep.2008 Maemo Summit Berlin Dr. Stefan Kost, Luc Pionchon, Felipe Contreras

Usage ● existing – Media Player – VoIP/Video Call and Skype ● new – Metadata – Media Capture Multimedia Framework / Maemo SW 19.Sep.2008 Maemo Summit Berlin Dr. Stefan Kost, Luc Pionchon, Felipe Contreras

GStreamer Multimedia Framework / Maemo SW 19.Sep.2008 Maemo Summit Berlin Dr. Stefan Kost, Luc Pionchon, Felipe Contreras

MMF Challenges ● Hardware acceleration for codecs ● Reuse for new hardware ● Multimedia Policy & Routing ● Stable & coherent middleware Multimedia Framework / Maemo SW 19.Sep.2008 Maemo Summit Berlin Dr. Stefan Kost, Luc Pionchon, Felipe Contreras

Past Architecture Multimedia Framework / Maemo SW 19.Sep.2008 Maemo Summit Berlin Dr. Stefan Kost, Luc Pionchon, Felipe Contreras

Issues & Problems ● Audio on DSP Video on ARM – Not so good for power-management – Not enough processing power on arm side for video ● Combined decoder sinks / encoder sources – dspmp3sink, dspilbcsrc Multimedia Framework / Maemo SW 19.Sep.2008 Maemo Summit Berlin Dr. Stefan Kost, Luc Pionchon, Felipe Contreras

New Architecture Multimedia Framework / Maemo SW 19.Sep.2008 Maemo Summit Berlin Dr. Stefan Kost, Luc Pionchon, Felipe Contreras

Multimedia Framework / Maemo SW 19.Sep.2008 Maemo Summit Berlin Dr. Stefan Kost, Luc Pionchon, Felipe Contreras

OMAP 3430 ● 500 MHz ● Can be up to 3 times faster ● http://www.ti.com/omap3430 140 120 100 80 omap 2 60 omap 3 40 20 0 MPEG4 h264 Multimedia Framework / Maemo SW 19.Sep.2008 Maemo Summit Berlin Dr. Stefan Kost, Luc Pionchon, Felipe Contreras

New Software I ● OpenMAX – Used for codecs – No more dsp sinks and sources ● PulseAudio – Audio routing & policy – Audio pre- & postprocessing Multimedia Framework / Maemo SW 19.Sep.2008 Maemo Summit Berlin Dr. Stefan Kost, Luc Pionchon, Felipe Contreras

New Software II ● gst-qa-system : insanity – Improved testing ● Camera-bin – High level api for still-image and video capture – GStreamer plugin Multimedia Framework / Maemo SW 19.Sep.2008 Maemo Summit Berlin Dr. Stefan Kost, Luc Pionchon, Felipe Contreras

Developer Support ● TI DSP Bridge, OpenMAX, DSP examples ● https://omapzoom.org/gf/ ● BeagleBoard wiki ● http://elinux.org/BeagleBoard Multimedia Framework / Maemo SW 19.Sep.2008 Maemo Summit Berlin Dr. Stefan Kost, Luc Pionchon, Felipe Contreras

Demos Multimedia Framework / Maemo SW 19.Sep.2008 Maemo Summit Berlin Dr. Stefan Kost, Luc Pionchon, Felipe Contreras

Thank you! Questions? Multimedia Framework / Maemo SW 19.Sep.2008 Maemo Summit Berlin Dr. Stefan Kost, Luc Pionchon, Felipe Contreras

Maemo Multimedia Framework

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