mirror of
https://github.com/kkroening/ffmpeg-python.git
synced 2025-04-05 04:22:51 +08:00
105 lines
3.2 KiB
Python
105 lines
3.2 KiB
Python
import ffmpeg
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import os
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TEST_DIR = os.path.dirname(__file__)
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TEST_INPUT_FILE = os.path.join(TEST_DIR, 'dummy.mp4')
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TEST_OUTPUT_FILE = os.path.join(TEST_DIR, 'dummy2.mp4')
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def test_fluent_equality():
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base1 = ffmpeg.file_input('dummy1.mp4')
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base2 = ffmpeg.file_input('dummy1.mp4')
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base3 = ffmpeg.file_input('dummy2.mp4')
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t1 = base1.trim(10, 20)
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t2 = base1.trim(10, 20)
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t3 = base1.trim(10, 30)
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t4 = base2.trim(10, 20)
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t5 = base3.trim(10, 20)
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assert t1 == t2
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assert t1 != t3
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assert t1 == t4
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assert t1 != t5
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def test_fluent_concat():
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base = ffmpeg.file_input('dummy.mp4')
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trimmed1 = base.trim(10, 20)
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trimmed2 = base.trim(30, 40)
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trimmed3 = base.trim(50, 60)
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concat1 = ffmpeg.concat(trimmed1, trimmed2, trimmed3)
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concat2 = ffmpeg.concat(trimmed1, trimmed2, trimmed3)
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concat3 = ffmpeg.concat(trimmed1, trimmed3, trimmed2)
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concat4 = ffmpeg.concat()
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concat5 = ffmpeg.concat()
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assert concat1 == concat2
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assert concat1 != concat3
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assert concat4 == concat5
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def test_fluent_output():
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ffmpeg \
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.file_input('dummy.mp4') \
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.trim(10, 20) \
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.file_output('dummy2.mp4')
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def test_fluent_complex_filter():
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in_file = ffmpeg.file_input('dummy.mp4')
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return ffmpeg \
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.concat(
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in_file.trim(10, 20),
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in_file.trim(30, 40),
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in_file.trim(50, 60)
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) \
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.file_output('dummy2.mp4')
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def test_repr():
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in_file = ffmpeg.file_input('dummy.mp4')
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trim1 = ffmpeg.trim(in_file, 10, 20)
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trim2 = ffmpeg.trim(in_file, 30, 40)
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trim3 = ffmpeg.trim(in_file, 50, 60)
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concatted = ffmpeg.concat(trim1, trim2, trim3)
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output = ffmpeg.file_output(concatted, 'dummy2.mp4')
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assert repr(in_file) == "file_input(filename='dummy.mp4')"
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assert repr(trim1) == "trim(end_frame=20,setpts='PTS-STARTPTS',start_frame=10)"
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assert repr(trim2) == "trim(end_frame=40,setpts='PTS-STARTPTS',start_frame=30)"
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assert repr(trim3) == "trim(end_frame=60,setpts='PTS-STARTPTS',start_frame=50)"
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assert repr(concatted) == "concat()"
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assert repr(output) == "file_output(filename='dummy2.mp4')"
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def test_get_args_simple():
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out_file = ffmpeg.file_input('dummy.mp4').file_output('dummy2.mp4')
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assert out_file.get_args() == ['-i', 'dummy.mp4', 'dummy2.mp4']
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def _get_complex_filter_example():
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in_file = ffmpeg.file_input(TEST_INPUT_FILE)
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concatted = ffmpeg.concat(
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ffmpeg.trim(in_file, 10, 20),
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ffmpeg.trim(in_file, 30, 40),
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ffmpeg.trim(in_file, 50, 60),
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)
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out = ffmpeg.file_output(concatted, TEST_OUTPUT_FILE)
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return ffmpeg.overwrite_output(out)
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def test_get_args_complex_filter():
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out = _get_complex_filter_example()
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assert ffmpeg.get_args(out) == [
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'-i', TEST_INPUT_FILE,
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'-filter_complex',
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'[0]trim=start_frame=10:end_frame=20,setpts=PTS-STARTPTS[v0];' \
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'[0]trim=start_frame=30:end_frame=40,setpts=PTS-STARTPTS[v1];' \
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'[0]trim=start_frame=50:end_frame=60,setpts=PTS-STARTPTS[v2];' \
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'[v0][v1][v2]concat=n=3[v3]',
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'-map', '[v3]', TEST_OUTPUT_FILE,
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'-y',
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]
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def test_run():
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ffmpeg.run(_get_complex_filter_example())
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