Valkka  0.17.0
OpenSource Video Management
Classes
sharedmem.h File Reference

Posix shared memory segment server/client management, shared memory ring buffer synchronized using posix semaphores. More...

#include "common.h"
#include <sys/shm.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <semaphore.h>
#include "framefilter.h"
#include "Python.h"
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Classes

class  EventFd
 A file descriptor for running select and poll with shmem ring buffers. More...
 
class  SharedMemSegment
 Shared memory segment with metadata (the segment size) More...
 
class  SimpleSharedMemSegment
 Shared mem segment with simple metadata : just the payload length. More...
 
struct  RGB24Meta
 A seriazable metadata object. More...
 
class  RGB24SharedMemSegment
 A Shmem segment describing an RGB24 frame. More...
 
class  SharedMemRingBufferBase
 Interprocess shared memory ring buffer synchronized with posix semaphores. More...
 
class  SharedMemRingBuffer
 
class  SharedMemRingBufferRGB
 SharedMemRingBuffer for AVRGBFrame. More...
 
class  ShmemFrameFilter
 This FrameFilter writes frames into a SharedMemRingBuffer. More...
 
class  RGBShmemFrameFilter
 Like ShmemFrameFilter. More...
 

Detailed Description

Posix shared memory segment server/client management, shared memory ring buffer synchronized using posix semaphores.

Author
Sampsa Riikonen
Date
2017
Version
0.17.0