Simple Graph

In [1]:

    

from pliers.tests.utils import get_test_data_path
from os.path import join
from pliers.stimuli import VideoStim
from pliers.converters import (VideoToAudioConverter,
                               FrameSamplingConverter,
                               TesseractConverter,
                               WitTranscriptionConverter)
from pliers.extractors import (ExtractorResult,
                               VibranceExtractor,
                               LengthExtractor)
from pliers.graph import Graph


    

In [2]:

    

# Load the stimulus
filename = join(get_test_data_path(), 'video', 'obama_speech.mp4')
video = VideoStim(filename)


    

In [3]:

    

# Configure the graph nodes
nodes = [(FrameSamplingConverter(every=15), 
             [(TesseractConverter(), 
                [(LengthExtractor())]), 
              (VibranceExtractor(),)]),
         (VideoToAudioConverter(), 
            [(WitTranscriptionConverter(), 
              [(LengthExtractor())])])]


    

In [5]:

    

# Construct and run the graph
graph = Graph(nodes)
graph.run(video)


    

    




Stim: 7it [00:00, 24144.84it/s]





    




[MoviePy] Writing audio in /var/folders/55/wm77gzf157n1dg7pffpp6b9r0000gn/T/tmpVHAyZq.wav






    




100%|██████████| 193/193 [00:00<00:00, 1393.23it/s]





    




[MoviePy] Done.






    




Stim: 15it [00:00, 12204.57it/s]






    
Out[5]:






  

    

      

      
LengthExtractor
      
VibranceExtractor
      
class
      
filename
      
history
      
onset
      
stim
    
    

      

      
text_length
      
vibrance
      

      

      

      

      

    
  
  

    

      
0
      
0
      
NaN
      
TextStim
      
None
      
VideoStim->FrameSamplingConverter/DerivedVideo...
      
0.00
      
text[]
    
    

      
1
      
NaN
      
418.851528
      
VideoFrameStim
      
None
      
VideoStim->FrameSamplingConverter/DerivedVideo...
      
0.00
      
frame[0]
    
    

      
2
      
0
      
NaN
      
TextStim
      
None
      
VideoStim->FrameSamplingConverter/DerivedVideo...
      
1.25
      
text[]
    
    

      
3
      
NaN
      
441.618626
      
VideoFrameStim
      
None
      
VideoStim->FrameSamplingConverter/DerivedVideo...
      
1.25
      
frame[15]
    
    

      
4
      
0
      
NaN
      
TextStim
      
None
      
VideoStim->FrameSamplingConverter/DerivedVideo...
      
2.50
      
text[]
    
    

      
5
      
NaN
      
506.321013
      
VideoFrameStim
      
None
      
VideoStim->FrameSamplingConverter/DerivedVideo...
      
2.50
      
frame[30]
    
    

      
6
      
36
      
NaN
      
TextStim
      
None
      
VideoStim->FrameSamplingConverter/DerivedVideo...
      
3.75
      
text[mslnsu-r onu‘fi. SAVEIENV nu IRAN]
    
    

      
7
      
NaN
      
575.903070
      
VideoFrameStim
      
None
      
VideoStim->FrameSamplingConverter/DerivedVideo...
      
3.75
      
frame[45]
    
    

      
8
      
56
      
NaN
      
TextStim
      
None
      
VideoStim->FrameSamplingConverter/DerivedVideo...
      
5.00
      
text[1'"\nPIESIIIE Y' I' I ‘ s\nt 1'. I)“; ]
    
    

      
9
      
NaN
      
586.500651
      
VideoFrameStim
      
None
      
VideoStim->FrameSamplingConverter/DerivedVideo...
      
5.00
      
frame[60]
    
    

      
10
      
0
      
NaN
      
TextStim
      
None
      
VideoStim->FrameSamplingConverter/DerivedVideo...
      
6.25
      
text[]
    
    

      
11
      
NaN
      
590.007483
      
VideoFrameStim
      
None
      
VideoStim->FrameSamplingConverter/DerivedVideo...
      
6.25
      
frame[75]
    
    

      
12
      
36
      
NaN
      
TextStim
      
None
      
VideoStim->FrameSamplingConverter/DerivedVideo...
      
7.50
      
text[, 7 V\nPnEslnEMJ'W min: an Inn:\nA ‘]
    
    

      
13
      
NaN
      
589.524823
      
VideoFrameStim
      
None
      
VideoStim->FrameSamplingConverter/DerivedVideo...
      
7.50
      
frame[90]
    
    

      
14
      
5
      
NaN
      
TextStim
      
None
      
VideoStim->VideoToAudioConverter/AudioStim->Wi...
      
NaN
      
text[today]
    
    

      
15
      
5
      
NaN
      
TextStim
      
None
      
VideoStim->VideoToAudioConverter/AudioStim->Wi...
      
NaN
      
text[after]
    
    

      
16
      
3
      
NaN
      
TextStim
      
None
      
VideoStim->VideoToAudioConverter/AudioStim->Wi...
      
NaN
      
text[two]
    
    

      
17
      
5
      
NaN
      
TextStim
      
None
      
VideoStim->VideoToAudioConverter/AudioStim->Wi...
      
NaN
      
text[years]
    
    

      
18
      
12
      
NaN
      
TextStim
      
None
      
VideoStim->VideoToAudioConverter/AudioStim->Wi...
      
NaN
      
text[negotiations]
    
    

      
19
      
3
      
NaN
      
TextStim
      
None
      
VideoStim->VideoToAudioConverter/AudioStim->Wi...
      
NaN
      
text[the]
    
    

      
20
      
6
      
NaN
      
TextStim
      
None
      
VideoStim->VideoToAudioConverter/AudioStim->Wi...
      
NaN
      
text[united]
    
    

      
21
      
6
      
NaN
      
TextStim
      
None
      
VideoStim->VideoToAudioConverter/AudioStim->Wi...
      
NaN
      
text[states]
    
    

      
22
      
8
      
NaN
      
TextStim
      
None
      
VideoStim->VideoToAudioConverter/AudioStim->Wi...
      
NaN
      
text[together]
    
    

      
23
      
2
      
NaN
      
TextStim
      
None
      
VideoStim->VideoToAudioConverter/AudioStim->Wi...
      
NaN
      
text[or]
    
    

      
24
      
13
      
NaN
      
TextStim
      
None
      
VideoStim->VideoToAudioConverter/AudioStim->Wi...
      
NaN
      
text[international]
    
    

      
25
      
8
      
NaN
      
TextStim
      
None
      
VideoStim->VideoToAudioConverter/AudioStim->Wi...
      
NaN
      
text[partners]
    
    

      
26
      
3
      
NaN
      
TextStim
      
None
      
VideoStim->VideoToAudioConverter/AudioStim->Wi...
      
NaN
      
text[who]
    
    

      
27
      
6
      
NaN
      
TextStim
      
None
      
VideoStim->VideoToAudioConverter/AudioStim->Wi...
      
NaN
      
text[cheats]
    
    

      
28
      
2
      
NaN
      
TextStim
      
None
      
VideoStim->VideoToAudioConverter/AudioStim->Wi...
      
NaN
      
text[of]
    
  

In [6]:

    

# Save a display of the graph
graph.draw('pliers_simple_graph.png')


    

In [ ]: