Maemo Multimedia Framework

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Maemo Multimedia Framework for OMAP3 presentation on Maemo Summit in Berlin 2008

Tecnología Viajes Empresariales

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

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Maemo Multimedia Framework

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

2. 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

3. 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

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

5. 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

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

7. 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

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

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

10. 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

11. 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

12. 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

13. 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

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

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

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