8000 Add 'crop' filter · joebradly/ffmpeg-python@00fb91a · GitHub
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noahstiernoahstier
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Add 'crop' filter
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+29
-4
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2 files changed

+29
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‎ffmpeg/_filters.py

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Original file line numberDiff line numberDiff line change
@@ -152,6 +152,28 @@ def vflip(stream):
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return FilterNode(stream, vflip.__name__).stream()
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@filter_operator()
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def crop(stream, x, y, width, height, **kwargs):
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"""Crop the input video.
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Args:
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x: The horizontal position, in the input video, of the left edge of
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the output video.
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y: The vertical position, in the input video, of the top edge of the
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output video.
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width: The width of the output video. Must be greater than 0.
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heigth: The height of the output video. Must be greater than 0.
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Official documentation: `crop <https://ffmpeg.org/ffmpeg-filters.html#crop>`__
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"""
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return FilterNode(
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stream,
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crop.__name__,
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args=[width, height, x, y],
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kwargs=kwargs
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).stream()
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@filter_operator()
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def drawbox(stream, x, y, width, height, color, thickness=None, **kwargs):
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"""Draw a colored box on the input image.
@@ -395,6 +417,7 @@ def colorchannelmixer(stream, *args, **kwargs):
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__all__ = [
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'colorchannelmixer',
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'concat',
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'crop',
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'drawbox',
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'filter_',
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'hflip',

‎ffmpeg/tests/test_ffmpeg.py

Lines changed: 6 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -114,6 +114,7 @@ def _get_complex_filter_example():
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split1 = split[1]
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overlay_file = ffmpeg.input(TEST_OVERLAY_FILE)
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overlay_file = ffmpeg.crop(overlay_file, 10, 10, 158, 112)
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return (ffmpeg
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.concat(
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split0.trim(start_frame=10, end_frame=20),
@@ -137,10 +138,11 @@ def test_get_args_complex_filter():
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'[s1]trim=end_frame=20:start_frame=10[s3];' \
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'[s2]trim=end_frame=40:start_frame=30[s4];' \
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'[s3][s4]concat=n=2[s5];' \
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'[1]hflip[s6];' \
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'[s5][s6]overlay=eof_action=repeat[s7];' \
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'[s7]drawbox=50:50:120:120:red:t=5[s8]',
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'-map', '[s8]', TEST_OUTPUT_FILE1,
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'[1]crop=158:112:10:10[s6];' \
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'[s6]hflip[s7];' \
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'[s5][s7]overlay=eof_action=repeat[s8];' \
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'[s8]drawbox=50:50:120:120:red:t=5[s9]',
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'-map', '[s9]', TEST_OUTPUT_FILE1,
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'-y'
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]
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