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Embedded Linux Multimedia

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Caglar Dursun
Caglar Dursun
TechnologyEducation
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Multimedia in embedded Linux systems ,[object Object],Created with OpenOffice.org 2.x
Rights to copy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Best viewed with... ,[object Object],[object Object],[object Object],[object Object],[object Object]
Scope of this training ,[object Object],[object Object],[object Object]
Contents ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Quick Glossary (1) ,[object Object],[object Object],[object Object]
Quick Glossary (2) ,[object Object],[object Object]
Multimedia in embedded Linux systems ,[object Object],[object Object]
SDL ,[object Object],[object Object],[object Object],[object Object],[object Object]
SDL screenshots Pig: a demo arcade game. 7000 lines. QEMU: a CPU and system emulator
SDL supported operating systems ,[object Object],[object Object],[object Object]
SDL capabilities (1) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
SDL capabilities (2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
SDL capabilities (3) ,[object Object],[object Object],[object Object],[object Object],[object Object]
SDL capabilities (4) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
SDL implementation on GNU/Linux ,[object Object],[object Object],[object Object],[object Object],[object Object]
SDL in embedded systems ,[object Object],[object Object],[object Object],[object Object]
Additional SDL libraries ,[object Object],[object Object],[object Object],[object Object],[object Object]
Other free SDL libraries ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Free SDL applications (1) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Free SDL applications (2) ,[object Object],[object Object],[object Object],[object Object]
Getting started with SDL - Hello World Thanks to Tony ( http://tonyandpaige.com ) for the example!
Getting started with SDL (2) ,[object Object],[object Object],[object Object],[object Object]
Useful reading about SDL ,[object Object],[object Object],[object Object],[object Object]
Multimedia in embedded Linux systems ,[object Object],[object Object]
DirectFB ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
DirectFB screenshot Demo of the new TextureTriangles() method using existing windows as textures (updated in real time)
DirectFB in embedded systems ,[object Object],[object Object],[object Object],[object Object],[object Object]
DirectFB graphical capabilities ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
DirectFB operation
DirectFB implementation ,[object Object],[object Object]
Input device support ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
DirectFB image loading ,[object Object],[object Object],[object Object],[object Object],[object Object]
DirectFB video playback ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
DirectFB font rendering ,[object Object],[object Object],[object Object]
DirectFB API (1) ,[object Object],[object Object]
DirectFB API (2) ,[object Object],[object Object],[object Object]
DirectFB API (3) ,[object Object],[object Object],[object Object],[object Object],[object Object]
DirectFB API (4) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
DirectFB Hello World DirectFBInit(&argc, &argv); DirectFBCreate(&dfb); dfb->SetCooperativeLevel(dfb, DFSCL_FULLSCREEN); memset(&dsc, 0, sizeof(DFBSurfaceDescription)); dsc.flags = DSDESC_CAPS; dsc.caps = DSCAPS_PRIMARY; dfb->CreateSurface(dfb, &dsc, &primary); dfb->CreateImageProvider(dfb, "test.png", &provider); provider->RenderTo(provider, primary, NULL); provider->Release(provider); sleep(5); primary->Release(primary); dfb->Release(dfb);
Compiling a DirectFB program ,[object Object],[object Object],[object Object]
Fusion ,[object Object],[object Object],[object Object],[object Object],[object Object]
A few DirectFB applications ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Useful reading about DirectFB ,[object Object]
Multimedia in embedded Linux systems ,[object Object],[object Object]
V4L: video4linux subsystem ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
v4l original API ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
v4l2 new API ,[object Object],[object Object],[object Object],[object Object]
V4L2 API specification ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
A few V4L2 features ,[object Object],[object Object],[object Object]
Communicating with ioctl (1) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Communicating with ioctl (2) ,[object Object],[object Object],[object Object],[object Object]
A few V4L2 ioctl number examples ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Concurrent access to /dev/video0
I/O modes ,[object Object],[object Object],[object Object],[object Object]
video4linux user tools ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
xawtv toolset (1) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
xawtv toolset (2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Writing to screens ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Multimedia in embedded Linux systems ,[object Object],[object Object]
Digital Video Broadcasting ,[object Object],[object Object],[object Object],[object Object],[object Object]
LinuxTV project ,[object Object],[object Object],[object Object],[object Object],[object Object]
Multimedia in embedded Linux systems ,[object Object],[object Object]
RealVideo ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
WMV ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
QuickTime ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
DivX ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
XviD ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Ogg Theora ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Multimedia in embedded Linux systems Multimedia distributions
GeexBox ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
MythTV ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
FreeVo ,[object Object],[object Object],[object Object],[object Object]
Related documents ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
How to help ,[object Object],[object Object],[object Object],[object Object],[object Object]
Thanks ,[object Object],[object Object],[object Object],[object Object]
Custom Development System integration Embedded Linux demos and prototypes System optimization Linux kernel drivers Application and interface development Free Electrons services Technical Support Development tool and application support Issue investigation and solution follow-up with mainstream developers Help getting started Embedded Linux Training Unix and GNU/Linux basics Linux kernel and drivers development Real-time Linux uClinux Development and profiling tools Lightweight tools for embedded systems Root filesystem creation Audio and multimedia System optimization Consulting Help in decision making System architecture Identification of suitable technologies Managing licensing requirements System design and performance review http://free-electrons.com

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Embedded Linux Multimedia

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  • 10. SDL screenshots Pig: a demo arcade game. 7000 lines. QEMU: a CPU and system emulator
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  • 22. Getting started with SDL - Hello World Thanks to Tony ( http://tonyandpaige.com ) for the example!
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  • 27. DirectFB screenshot Demo of the new TextureTriangles() method using existing windows as textures (updated in real time)
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  • 40. DirectFB Hello World DirectFBInit(&argc, &argv); DirectFBCreate(&dfb); dfb->SetCooperativeLevel(dfb, DFSCL_FULLSCREEN); memset(&dsc, 0, sizeof(DFBSurfaceDescription)); dsc.flags = DSDESC_CAPS; dsc.caps = DSCAPS_PRIMARY; dfb->CreateSurface(dfb, &dsc, &primary); dfb->CreateImageProvider(dfb, "test.png", &provider); provider->RenderTo(provider, primary, NULL); provider->Release(provider); sleep(5); primary->Release(primary); dfb->Release(dfb);
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  • 70. Multimedia in embedded Linux systems Multimedia distributions
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  • 77. Custom Development System integration Embedded Linux demos and prototypes System optimization Linux kernel drivers Application and interface development Free Electrons services Technical Support Development tool and application support Issue investigation and solution follow-up with mainstream developers Help getting started Embedded Linux Training Unix and GNU/Linux basics Linux kernel and drivers development Real-time Linux uClinux Development and profiling tools Lightweight tools for embedded systems Root filesystem creation Audio and multimedia System optimization Consulting Help in decision making System architecture Identification of suitable technologies Managing licensing requirements System design and performance review http://free-electrons.com