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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html><head><title>Python: module telemetry.internal.image_processing.video_file_frame_generator</title>
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<font color="#ffffff" face="helvetica, arial"> <br><big><big><strong><a href="telemetry.html"><font color="#ffffff">telemetry</font></a>.<a href="telemetry.internal.html"><font color="#ffffff">internal</font></a>.<a href="telemetry.internal.image_processing.html"><font color="#ffffff">image_processing</font></a>.video_file_frame_generator</strong></big></big></font></td
><td align=right valign=bottom
><font color="#ffffff" face="helvetica, arial"><a href=".">index</a><br><a href="../telemetry/internal/image_processing/video_file_frame_generator.py">telemetry/internal/image_processing/video_file_frame_generator.py</a></font></td></tr></table>
<p><tt># Copyright 2014 The Chromium Authors. All rights reserved.<br>
# Use of this source code is governed by a BSD-style license that can be<br>
# found in the LICENSE file.</tt></p>
<p>
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<font color="#ffffff" face="helvetica, arial"><big><strong>Modules</strong></big></font></td></tr>
<tr><td bgcolor="#aa55cc"><tt> </tt></td><td> </td>
<td width="100%"><table width="100%" summary="list"><tr><td width="25%" valign=top><a href="cv2.html">cv2</a><br>
</td><td width="25%" valign=top><a href="telemetry.internal.util.external_modules.html">telemetry.internal.util.external_modules</a><br>
</td><td width="25%" valign=top><a href="telemetry.internal.image_processing.frame_generator.html">telemetry.internal.image_processing.frame_generator</a><br>
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<td colspan=3 valign=bottom> <br>
<font color="#ffffff" face="helvetica, arial"><big><strong>Classes</strong></big></font></td></tr>
<tr><td bgcolor="#ee77aa"><tt> </tt></td><td> </td>
<td width="100%"><dl>
<dt><font face="helvetica, arial"><a href="telemetry.internal.image_processing.frame_generator.html#FrameGenerator">telemetry.internal.image_processing.frame_generator.FrameGenerator</a>(<a href="__builtin__.html#object">__builtin__.object</a>)
</font></dt><dd>
<dl>
<dt><font face="helvetica, arial"><a href="telemetry.internal.image_processing.video_file_frame_generator.html#VideoFileFrameGenerator">VideoFileFrameGenerator</a>
</font></dt></dl>
</dd>
</dl>
<p>
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<font color="#000000" face="helvetica, arial"><a name="VideoFileFrameGenerator">class <strong>VideoFileFrameGenerator</strong></a>(<a href="telemetry.internal.image_processing.frame_generator.html#FrameGenerator">telemetry.internal.image_processing.frame_generator.FrameGenerator</a>)</font></td></tr>
<tr bgcolor="#ffc8d8"><td rowspan=2><tt> </tt></td>
<td colspan=2><tt>Provides a Frame Generator for a video file.<br>
<br>
Sample Usage:<br>
generator = <a href="#VideoFileFrameGenerator">VideoFileFrameGenerator</a>(sys.argv[1]).GetGenerator()<br>
for frame in generator:<br>
# Do something<br>
<br>
Attributes:<br>
_capture: The openCV video capture.<br>
_frame_count: The number of frames in the video capture.<br>
_frame_index: The frame number of the current frame.<br>
_timestamp: The timestamp of the current frame.<br>
_dimensions: The dimensions of the video capture.<br> </tt></td></tr>
<tr><td> </td>
<td width="100%"><dl><dt>Method resolution order:</dt>
<dd><a href="telemetry.internal.image_processing.video_file_frame_generator.html#VideoFileFrameGenerator">VideoFileFrameGenerator</a></dd>
<dd><a href="telemetry.internal.image_processing.frame_generator.html#FrameGenerator">telemetry.internal.image_processing.frame_generator.FrameGenerator</a></dd>
<dd><a href="__builtin__.html#object">__builtin__.object</a></dd>
</dl>
<hr>
Methods defined here:<br>
<dl><dt><a name="VideoFileFrameGenerator-__init__"><strong>__init__</strong></a>(self, video_filename, start_frame_index<font color="#909090">=0</font>)</dt><dd><tt>Initializes the <a href="#VideoFileFrameGenerator">VideoFileFrameGenerator</a> object.<br>
<br>
Args:<br>
video_filename: str, The path to the video file.<br>
start_frame_index: int, The number of frames to skip at the start of the<br>
file.<br>
<br>
Raises:<br>
FrameReadError: A read error occurred during initialization.</tt></dd></dl>
<hr>
Data descriptors defined here:<br>
<dl><dt><strong>CurrentFrameNumber</strong></dt>
</dl>
<dl><dt><strong>CurrentTimestamp</strong></dt>
</dl>
<dl><dt><strong>Dimensions</strong></dt>
</dl>
<hr>
Data and other attributes defined here:<br>
<dl><dt><strong>__abstractmethods__</strong> = frozenset([])</dl>
<hr>
Data descriptors inherited from <a href="telemetry.internal.image_processing.frame_generator.html#FrameGenerator">telemetry.internal.image_processing.frame_generator.FrameGenerator</a>:<br>
<dl><dt><strong>Generator</strong></dt>
<dd><tt>Returns:<br>
A reference to the created generator.</tt></dd>
</dl>
<dl><dt><strong>__dict__</strong></dt>
<dd><tt>dictionary for instance variables (if defined)</tt></dd>
</dl>
<dl><dt><strong>__weakref__</strong></dt>
<dd><tt>list of weak references to the object (if defined)</tt></dd>
</dl>
<hr>
Data and other attributes inherited from <a href="telemetry.internal.image_processing.frame_generator.html#FrameGenerator">telemetry.internal.image_processing.frame_generator.FrameGenerator</a>:<br>
<dl><dt><strong>__metaclass__</strong> = <class 'abc.ABCMeta'><dd><tt>Metaclass for defining Abstract Base Classes (ABCs).<br>
<br>
Use this metaclass to create an ABC. An ABC can be subclassed<br>
directly, and then acts as a mix-in class. You can also register<br>
unrelated concrete classes (even built-in classes) and unrelated<br>
ABCs as 'virtual subclasses' -- these and their descendants will<br>
be considered subclasses of the registering ABC by the built-in<br>
issubclass() function, but the registering ABC won't show up in<br>
their MRO (Method Resolution Order) nor will method<br>
implementations defined by the registering ABC be callable (not<br>
even via super()).</tt></dl>
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