add function video_image

_unittests/ut_faq/test_video_noenv2_image.py

@@ -0,0 +1,68 @@
+# -*- coding: utf-8 -*-
+"""
+@brief      test log(time=1000s)
+
+Duraction is around a few seconds but the test needs to be run
+at the end of the series of unitests as it interferes
+with the notebook unittesting (it uses Popen too).
+"""
+
+
+import sys
+import os
+import unittest
+
+
+try:
+    import pyquickhelper
+except ImportError:
+    path = os.path.normpath(
+        os.path.abspath(
+            os.path.join(
+                os.path.split(__file__)[0],
+                "..",
+                "..",
+                "..",
+                "pyquickhelper",
+                "src")))
+    if path not in sys.path:
+        sys.path.append(path)
+    import pyquickhelper
+
+
+try:
+    import src
+except ImportError:
+    path = os.path.normpath(
+        os.path.abspath(
+            os.path.join(
+                os.path.split(__file__)[0],
+                "..",
+                "..")))
+    if path not in sys.path:
+        sys.path.append(path)
+    import src
+
+
+from pyquickhelper.loghelper import fLOG
+from pyquickhelper.pycode import get_temp_folder, ExtTestCase
+from src.code_beatrix.faq.faq_video import video_save, video_image
+
+
+class TestVideoImage(ExtTestCase):
+
+    def test_video_image(self):
+        fLOG(
+            __file__,
+            self._testMethodName,
+            OutputPrint=__name__ == "__main__")
+        temp = get_temp_folder(__file__, "temp_video_image")
+        img = os.path.join(temp, '..', 'data', 'GastonLagaffe_1121.jpg')
+        vid = video_image(img, duration=60)
+        exp = os.path.join(temp, "courte2x.mp4")
+        video_save(vid, exp, fps=20)
+        self.assertExists(exp)
+
+
+if __name__ == "__main__":
+    unittest.main()

src/code_beatrix/faq/faq_video.py

@@ -6,15 +6,20 @@
 from contextlib import redirect_stdout, redirect_stderr
 import io
 import os
+import numpy
 from pytube import YouTube
 from imageio import imsave
 import moviepy.audio.fx.all as afx
 import moviepy.video.fx.all as vfx
+from moviepy.video.VideoClip import ImageClip
 from moviepy.audio.AudioClip import AudioArrayClip, CompositeAudioClip
 from moviepy.video.compositing.CompositeVideoClip import CompositeVideoClip
 from moviepy.video.compositing.concatenate import concatenate_videoclips
 from moviepy.audio.AudioClip import concatenate_audioclips
 from .moviepy_context import AudioContext, VideoContext
+from PIL import Image
+from skimage.io._plugins.pil_plugin import pil_to_ndarray
+
 
 ##########
 # youtube
@@ -434,3 +439,22 @@ def check_duration(video):
         if mirrory:
             video = video.fx(vfx.mirror_y)
         return video
+
+
+def video_image(image_or_file, **kwargs):
+    """
+    Creates a :epkg:`ImageClip`.
+    Créé une vidéo à partir d'une image.
+
+    @param      image_or_file   image or file
+    @param      kwargs          additional parameters for :epkg:`ImageClip`
+    @return                     :epkg:`ImageClip`
+    """
+    if isinstance(image_or_file, (str, numpy.ndarray)):
+        return ImageClip(image_or_file, **kwargs)
+    elif isinstance(image_or_file, Image.Image):
+        img = pil_to_ndarray(image_or_file)
+        return ImageClip(img, **kwargs)
+    else:
+        raise TypeError(
+            "Unable to create a video from type {0}".format(type(image_or_file)))