def test_subtitles(util):
red = ColorClip((800, 600), color=(255, 0, 0)).with_duration(10)
green = ColorClip((800, 600), color=(0, 255, 0)).with_duration(10)
blue = ColorClip((800, 600), color=(0, 0, 255)).with_duration(10)
myvideo = concatenate_videoclips([red, green, blue])
assert myvideo.duration == 30
generator = lambda txt: TextClip(
txt,
font=util.FONT,
size=(800, 600),
font_size=24,
method="caption",
align="South",
color="white",
)
subtitles = SubtitlesClip("media/subtitles.srt", generator)
final = CompositeVideoClip([myvideo, subtitles])
final.subclip(0, 0.5).write_videofile(
os.path.join(util.TMP_DIR, "subtitles.mp4"),
fps=5,
logger=None,
)
assert subtitles.subtitles == MEDIA_SUBTITLES_DATA
subtitles = SubtitlesClip(MEDIA_SUBTITLES_DATA, generator)
assert subtitles.subtitles == MEDIA_SUBTITLES_DATA
def test_set_layer():
bottom_clip = BitmapClip([["ABC"], ["BCA"], ["CAB"]], fps=1).set_layer(1)
top_clip = BitmapClip([["DEF"], ["EFD"]], fps=1).set_layer(2)
composite_clip = CompositeVideoClip([bottom_clip, top_clip])
reversed_composite_clip = CompositeVideoClip([top_clip, bottom_clip])
# Make sure that the order of clips makes no difference to the composite clip
assert composite_clip.subclip(0, 2) == reversed_composite_clip.subclip(0, 2)
# Make sure that only the 'top' clip is kept
assert top_clip.subclip(0, 2) == composite_clip.subclip(0, 2)
# Make sure that it works even when there is only one clip playing at that time
target_clip = BitmapClip([["DEF"], ["EFD"], ["CAB"]], fps=1)
assert composite_clip == target_clip