python Programming Glossary: duration

find length of sequences of identical values in a numpy array

http://stackoverflow.com/questions/1066758/find-length-of-sequences-of-identical-values-in-a-numpy-array

is below a certain threshold and I want to compute the duration of these events. It's easy to get an array of booleans with.. '.' d 10 rand 10000000 print '.' b d threshold print '.' durations for i in xrange len b if b i and i 0 or not b i 1 counter 1.. b i 1 and b i counter 1 if b i 1 and not b i or i len b 1 durations.append counter print '.' python matlab numpy pylab share..

time length of an mp3 file

http://stackoverflow.com/questions/119404/time-length-of-an-mp3-file

is easier than doing it from scratch. determines the duration in seconds of an MP3 assumes MPEG 1 not 2 or 2.5 Audio Layer.. int bitrate bitrates int headerBytes 12 0xF calculate duration in seconds int duration dataEnd dataBegin bitrate 8 infile.close.. int headerBytes 12 0xF calculate duration in seconds int duration dataEnd dataBegin bitrate 8 infile.close print duration in minutes..

Python - Create a list with initial capacity

http://stackoverflow.com/questions/311775/python-create-a-list-with-initial-capacity

Results . evaluate each function 144 times and average the duration simple append 0.0102 pre allocate 0.0098 Conclusion . It barely..

How to get video duration in Python or Django?

http://stackoverflow.com/questions/3844430/how-to-get-video-duration-in-python-or-django

to get video duration in Python or Django I need to get the video duration in Python.. duration in Python or Django I need to get the video duration in Python Django . The video formats that I need to get are..

Decorate \ delegate a File object to add functionality

http://stackoverflow.com/questions/4713932/decorate-delegate-a-file-object-to-add-functionality

sp.PIPE out err s.communicate end datetime.datetime.now duration end start status 'Done' if s.returncode 0 else 'Failed' print.. s.returncode 0 else 'Failed' print ' s d seconds ' status duration.seconds The following lines reads the standard output and error..

Python format timedelta to string

http://stackoverflow.com/questions/538666/python-format-timedelta-to-string

class of the object is a timedelta object that shows the duration of an event. I would like to display that duration in the format.. the duration of an event. I would like to display that duration in the format of hours minutes. I have tried a variety of methods..

Simple, Cross Platform MIDI Library for Python [closed]

http://stackoverflow.com/questions/569321/simple-cross-platform-midi-library-for-python

like MyMIDI MIDIFile 1 track 0 channel 0 pitch 60 time 0 duration 1 volume 100 MyMIDI.addNote track channel pitch time duration..

Pipe raw OpenCV images to FFmpeg

http://stackoverflow.com/questions/5825173/pipe-raw-opencv-images-to-ffmpeg

kb s 90k tbn 30 tbc image2pipe @ 0x1508640 max_analyze_duration reached image2pipe @ 0x1508640 Estimating duration from bitrate.. reached image2pipe @ 0x1508640 Estimating duration from bitrate this may be inaccurate Input #0 image2pipe from..

Python: Temporarily Redirect stdout/stderr

http://stackoverflow.com/questions/6796492/python-temporarily-redirect-stdout-stderr

temporarily redirect stdout stderr in Python i.e. for the duration of a method Edit The problem with the current solutions which..

Measuring elapsed time in python

http://stackoverflow.com/questions/7421641/measuring-elapsed-time-in-python

I'm measuring the wrong thing. Using time.time to measure durations is incredibly roundabout when you think about it. You take.. time measurements which are in turn constructed from duration measurements performed by timers and known absolute times set.. particularly accurate. It just shouldn't give me negative durations or durations which are off by several orders of magnitude above..

Programmatically generate video or animated GIF in Python?

http://stackoverflow.com/questions/753190/programmatically-generate-video-or-animated-gif-in-python

to create a video from. Ideally I could specify a frame duration for each frame but a fixed frame rate would be fine too. I'm.. sys os filename sys.argv 1 im Image.open filename original_duration im.info 'duration' frames frame.copy for frame in ImageSequence.Iterator.. 1 im Image.open filename original_duration im.info 'duration' frames frame.copy for frame in ImageSequence.Iterator im frames.reverse..