You can create a stream for an HDFS file and have OpenCV read from the stream. Other option is to create a yarn job and you can resource localize the HDFS file so you can run OpenCV just like any other application.
Thanks, Ron > On Jul 24, 2016, at 12:03 PM, Madhav Sharan <msha...@usc.edu> wrote: > > Hi hadoop users, > > I need some help in reading video files from HDFS. I am processing videos > using OpenCV and opencv is not able to read video file from hdfs. I tried > prefixing path with "hdfs://" but it still does not works. Is there a way we > can directly read from HDFS using opencv? > > > [0] Video capture code - > https://github.com/smadha/pooled_time_series/blob/master/src/main/java/gov/nasa/jpl/memex/pooledtimeseries/PoT.java#L441 > > <https://github.com/smadha/pooled_time_series/blob/master/src/main/java/gov/nasa/jpl/memex/pooledtimeseries/PoT.java#L441> > > [1] TMP file solution - > https://github.com/smadha/pooled_time_series/blob/master/src/main/java/gov/nasa/jpl/memex/pooledtimeseries/OpticalTimeSeries.java#L66 > > <https://github.com/smadha/pooled_time_series/blob/master/src/main/java/gov/nasa/jpl/memex/pooledtimeseries/OpticalTimeSeries.java#L66> > > -- > Madhav Sharan >
