In [1]:

    

from IPython.display import HTML

HTML('''<script>
code_show=true; 
function code_toggle() {
 if (code_show){
 $('div.input').hide();
 } else {
 $('div.input').show();
 }
 code_show = !code_show
} 
$( document ).ready(code_toggle);
</script>
<form action="javascript:code_toggle()"><input type="submit" value="Click here to toggle on/off the raw code."></form>''')


    

    
Out[1]:

In [2]:

    

from ipywidgets import interact
import ipywidgets as widgets
from common import common_vcu_demo_camera_encode_file
import os
from ipywidgets import HBox, VBox, Text, Layout


    

In [3]:

    

video_capture_device=widgets.Text(value='',
    placeholder='"/dev/video1"',
    description='Camera Dev Id:',
    style={'description_width': 'initial'},
    #layout=Layout(width='35%', height='30px'), 
    disabled=False)
video_capture_device


    

In [4]:

    

codec_type=widgets.RadioButtons(
    options=['avc', 'hevc'],
    description='Codec Type:',
    disabled=False)
sink_name=widgets.RadioButtons(
    options=['none', 'fakevideosink'],
    description='Video Sink:',
    disabled=False)
video_size=widgets.RadioButtons(
    options=['640x480', '1280x720', '1920x1080', '3840x2160'],
    description='Resolution:',
    description_tooltip='To select the values, please refer USB Camera Capabilities section',
    disabled=False)
HBox([codec_type, video_size, sink_name])


    

In [5]:

    

device_id=Text(value='',
    placeholder='(optional) "hw:1"',
    description='Input Dev:',
    description_tooltip='To select the values, please refer Determine Audio Device Names section',
    disabled=False)
device_id


    

In [6]:

    

audio_sink={'none':['none'], 'aac':['auto','alsasink','pulsesink'],'vorbis':['auto','alsasink','pulsesink']}
audio_src={'none':['none'], 'aac':['auto','alsasrc','pulseaudiosrc'],'vorbis':['auto','alsasrc','pulseaudiosrc']}

#val=sorted(audio_sink, key = lambda k: (-len(audio_sink[k]), k))
def print_audio_sink(AudioSink):
    pass
    
def print_audio_src(AudioSrc):
    pass

def select_audio_sink(AudioCodec):
    audio_sinkW.options = audio_sink[AudioCodec]
    audio_srcW.options = audio_src[AudioCodec]

audio_codecW = widgets.RadioButtons(options=sorted(audio_sink.keys(), key=lambda k: len(audio_sink[k])), description='Audio Codec:')

init = audio_codecW.value

audio_sinkW = widgets.RadioButtons(options=audio_sink[init], description='Audio Sink:')
audio_srcW = widgets.RadioButtons(options=audio_src[init], description='Audio Src:')
#j = widgets.interactive(print_audio_sink, AudioSink=audio_sinkW)
k = widgets.interactive(print_audio_src, AudioSrc=audio_srcW)
i = widgets.interactive(select_audio_sink, AudioCodec=audio_codecW)

HBox([i, k])


    

In [7]:

    

frame_rate=widgets.Text(value='',
    placeholder='(optional) 15, 30, 60',
    description='Frame Rate:',
    disabled=False)
bit_rate=widgets.Text(value='',
    placeholder='(optional) 1000, 20000',
    description='Bit Rate(Kbps):',
    style={'description_width': 'initial'},
    disabled=False)
gop_length=widgets.Text(value='',
    placeholder='(optional) 30, 60',
    description='Gop Length',
    disabled=False)

display(HBox([bit_rate, frame_rate, gop_length]))


    

In [8]:

    

no_of_frames=Text(value='',
    placeholder='(optional) 1000, 2000',
    description=r'<p>Frame Nos:</p>',
    #layout=Layout(width='25%', height='30px'),
    disabled=False)
output_path=widgets.Text(value='',
    placeholder='(optional) /mnt/sata/op.ts',
    description='Output Path:',
    disabled=False)
entropy_buffers=widgets.Dropdown(
    options=['2', '3', '4', '5', '6', '7', '8', '9', '10', '11', '12', '13', '14', '15'],
    value='5',
    description='Entropy Buffers Nos:',
    style={'description_width': 'initial'},
    disabled=False,)
#entropy_buffers
#output_path
#gop_length
HBox([entropy_buffers, no_of_frames, output_path])


    

In [9]:

    

#entropy_buffers
show_fps=widgets.Checkbox(
    value=False,
    description='show-fps',
    #style={'description_width': 'initial'},
    disabled=False)
compressed_mode=widgets.Checkbox(
    value=False,
    description='compressed-mode',
    disabled=False)
HBox([compressed_mode, show_fps])


    

In [10]:

    

from IPython.display import clear_output
from IPython.display import Javascript

def run_all(ev):
    display(Javascript('IPython.notebook.execute_cells_below()'))

def clear_op(event):
    clear_output(wait=True)
    return

button1 = widgets.Button(
    description='Clear Output',
    style= {'button_color':'lightgreen'},
    #style= {'button_color':'lightgreen', 'description_width': 'initial'},
    layout={'width': '300px'}
)
button2 = widgets.Button(
    description='',
    style= {'button_color':'white'},
    #style= {'button_color':'lightgreen', 'description_width': 'initial'},
    layout={'width': '83px'}
)
button1.on_click(run_all)
button1.on_click(clear_op)


    

In [11]:

    

def start_demo(event):
    #clear_output(wait=True)
    arg = [];
    arg = common_vcu_demo_camera_encode_file.cmd_line_args_generator(device_id.value, video_capture_device.value, video_size.value, codec_type.value, audio_codecW.value, frame_rate.value, output_path.value, no_of_frames.value, bit_rate.value, entropy_buffers.value, show_fps.value, audio_srcW.value, compressed_mode.value, gop_length.value, sink_name.value);
    #!sh vcu-demo-camera-encode-decode-display.sh $arg > logs.txt 2>&1
    !sh vcu-demo-camera-encode-file.sh $arg
    return

button = widgets.Button(
    description='click to start camera-encode-file demo',
    style= {'button_color':'lightgreen'},
    #style= {'button_color':'lightgreen', 'description_width': 'initial'},
    layout={'width': '300px'}
)
button.on_click(start_demo)
HBox([button, button2, button1])