Embedded Streaming Media with GStreamer

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Embedded Streaming Media with GStreamer

• ETechDays
• Presented by Todd Fischer
• todd.fischer_at_ridgerun.com

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• Who
• TI Chip support
• RidgeRun GStreamer plug-in
• Community improvements
• What
• Hardware accelerated GGtreamer plug-in
• When
• Now
• Where
• http//gstreamer.ti.com

• Why ???
• Simplify application development

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GStreamer in3 Layers
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Davinci MultimediaApplication Interface
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DMAI and GStreamer

• Davinci Multimedia Application Interface
• Exposes OMAP/Davinci hardware using high level of
  abstraction
• Stream audio / video
• Graphics display
• Hardware optimized frame/data copy

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OMAP35x Example

• Personal Digital Video Player
• Use gst-launch command to create the GStreamer
  pipeline

gst-launch filesrc locationbig_buck_bunny_480p_st
ereo.avi ! typefind ! avidemux namedemux
demux.audio_00 ! queue max-size-buffers1200
max-size-time0 max-size-bytes0 ! typefind !
TIAuddec1 ! audioconvert ! audio/x-raw-int,
width16, depth16 ! alsasink demux.video_00 !
typefind ! TIViddec2 ! TIDmaiVideoSink
displayStdv4l2 displayDevice/dev/video1
videoStdVGA videoOutputLCD resizerFALSE
accelFrameCopyTRUE