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772 lines
22 KiB
772 lines
22 KiB
from __future__ import unicode_literals
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from builtins import bytes
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from builtins import range
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from builtins import str
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import ffmpeg
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import os
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import pytest
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import random
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import re
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import subprocess
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try:
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import mock # python 2
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except ImportError:
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from unittest import mock # python 3
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TEST_DIR = os.path.dirname(__file__)
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SAMPLE_DATA_DIR = os.path.join(TEST_DIR, 'sample_data')
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TEST_INPUT_FILE1 = os.path.join(SAMPLE_DATA_DIR, 'in1.mp4')
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TEST_OVERLAY_FILE = os.path.join(SAMPLE_DATA_DIR, 'overlay.png')
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TEST_OUTPUT_FILE1 = os.path.join(SAMPLE_DATA_DIR, 'out1.mp4')
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TEST_OUTPUT_FILE2 = os.path.join(SAMPLE_DATA_DIR, 'out2.mp4')
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BOGUS_INPUT_FILE = os.path.join(SAMPLE_DATA_DIR, 'bogus')
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subprocess.check_call(['ffmpeg', '-version'])
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def test_escape_chars():
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assert ffmpeg._utils.escape_chars('a:b', ':') == 'a\:b'
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assert ffmpeg._utils.escape_chars('a\\:b', ':\\') == 'a\\\\\\:b'
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assert (
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ffmpeg._utils.escape_chars('a:b,c[d]e%{}f\'g\'h\\i', '\\\':,[]%')
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== 'a\\:b\\,c\\[d\\]e\\%{}f\\\'g\\\'h\\\\i'
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)
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assert ffmpeg._utils.escape_chars(123, ':\\') == '123'
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def test_fluent_equality():
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base1 = ffmpeg.input('dummy1.mp4')
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base2 = ffmpeg.input('dummy1.mp4')
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base3 = ffmpeg.input('dummy2.mp4')
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t1 = base1.trim(start_frame=10, end_frame=20)
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t2 = base1.trim(start_frame=10, end_frame=20)
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t3 = base1.trim(start_frame=10, end_frame=30)
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t4 = base2.trim(start_frame=10, end_frame=20)
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t5 = base3.trim(start_frame=10, end_frame=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.input('dummy.mp4')
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trimmed1 = base.trim(start_frame=10, end_frame=20)
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trimmed2 = base.trim(start_frame=30, end_frame=40)
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trimmed3 = base.trim(start_frame=50, end_frame=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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assert concat1 == concat2
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assert concat1 != concat3
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def test_fluent_output():
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ffmpeg.input('dummy.mp4').trim(start_frame=10, end_frame=20).output('dummy2.mp4')
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def test_fluent_complex_filter():
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in_file = ffmpeg.input('dummy.mp4')
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return ffmpeg.concat(
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in_file.trim(start_frame=10, end_frame=20),
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in_file.trim(start_frame=30, end_frame=40),
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in_file.trim(start_frame=50, end_frame=60),
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).output('dummy2.mp4')
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def test_node_repr():
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in_file = ffmpeg.input('dummy.mp4')
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trim1 = ffmpeg.trim(in_file, start_frame=10, end_frame=20)
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trim2 = ffmpeg.trim(in_file, start_frame=30, end_frame=40)
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trim3 = ffmpeg.trim(in_file, start_frame=50, end_frame=60)
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concatted = ffmpeg.concat(trim1, trim2, trim3)
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output = ffmpeg.output(concatted, 'dummy2.mp4')
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assert repr(in_file.node) == 'input(filename={!r}) <{}>'.format(
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'dummy.mp4', in_file.node.short_hash
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)
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assert repr(trim1.node) == 'trim(end_frame=20, start_frame=10) <{}>'.format(
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trim1.node.short_hash
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)
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assert repr(trim2.node) == 'trim(end_frame=40, start_frame=30) <{}>'.format(
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trim2.node.short_hash
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)
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assert repr(trim3.node) == 'trim(end_frame=60, start_frame=50) <{}>'.format(
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trim3.node.short_hash
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)
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assert repr(concatted.node) == 'concat(n=3) <{}>'.format(concatted.node.short_hash)
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assert repr(output.node) == 'output(filename={!r}) <{}>'.format(
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'dummy2.mp4', output.node.short_hash
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)
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def test_stream_repr():
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in_file = ffmpeg.input('dummy.mp4')
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assert repr(in_file) == 'input(filename={!r})[None] <{}>'.format(
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'dummy.mp4', in_file.node.short_hash
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)
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split0 = in_file.filter_multi_output('split')[0]
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assert repr(split0) == 'split()[0] <{}>'.format(split0.node.short_hash)
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dummy_out = in_file.filter_multi_output('dummy')['out']
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assert repr(dummy_out) == 'dummy()[{!r}] <{}>'.format(
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dummy_out.label, dummy_out.node.short_hash
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)
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def test__get_args__simple():
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out_file = ffmpeg.input('dummy.mp4').output('dummy2.mp4')
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assert out_file.get_args() == ['-i', 'dummy.mp4', 'dummy2.mp4']
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def test_global_args():
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out_file = (
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ffmpeg.input('dummy.mp4')
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.output('dummy2.mp4')
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.global_args('-progress', 'someurl')
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)
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assert out_file.get_args() == [
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'-i',
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'dummy.mp4',
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'dummy2.mp4',
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'-progress',
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'someurl',
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]
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def _get_simple_example():
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return ffmpeg.input(TEST_INPUT_FILE1).output(TEST_OUTPUT_FILE1)
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def _get_complex_filter_example():
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split = ffmpeg.input(TEST_INPUT_FILE1).vflip().split()
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split0 = split[0]
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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 (
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ffmpeg.concat(
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split0.trim(start_frame=10, end_frame=20),
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split1.trim(start_frame=30, end_frame=40),
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)
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.overlay(overlay_file.hflip())
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.drawbox(50, 50, 120, 120, color='red', thickness=5)
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.output(TEST_OUTPUT_FILE1)
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.overwrite_output()
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)
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def test__get_args__complex_filter():
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out = _get_complex_filter_example()
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args = ffmpeg.get_args(out)
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assert args == [
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'-i',
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TEST_INPUT_FILE1,
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'-i',
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TEST_OVERLAY_FILE,
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'-filter_complex',
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'[0]vflip[s0];'
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'[s0]split=2[s1][s2];'
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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]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',
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'[s9]',
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TEST_OUTPUT_FILE1,
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'-y',
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]
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def test_combined_output():
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i1 = ffmpeg.input(TEST_INPUT_FILE1)
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i2 = ffmpeg.input(TEST_OVERLAY_FILE)
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out = ffmpeg.output(i1, i2, TEST_OUTPUT_FILE1)
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assert out.get_args() == [
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'-i',
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TEST_INPUT_FILE1,
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'-i',
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TEST_OVERLAY_FILE,
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'-map',
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'0',
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'-map',
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'1',
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TEST_OUTPUT_FILE1,
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]
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@pytest.mark.parametrize('use_shorthand', [True, False])
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def test_filter_with_selector(use_shorthand):
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i = ffmpeg.input(TEST_INPUT_FILE1)
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if use_shorthand:
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v1 = i.video.hflip()
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a1 = i.audio.filter('aecho', 0.8, 0.9, 1000, 0.3)
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else:
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v1 = i['v'].hflip()
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a1 = i['a'].filter('aecho', 0.8, 0.9, 1000, 0.3)
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out = ffmpeg.output(a1, v1, TEST_OUTPUT_FILE1)
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assert out.get_args() == [
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'-i',
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TEST_INPUT_FILE1,
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'-filter_complex',
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'[0:a]aecho=0.8:0.9:1000:0.3[s0];' '[0:v]hflip[s1]',
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'-map',
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'[s0]',
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'-map',
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'[s1]',
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TEST_OUTPUT_FILE1,
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]
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def test_get_item_with_bad_selectors():
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input = ffmpeg.input(TEST_INPUT_FILE1)
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with pytest.raises(ValueError) as excinfo:
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input['a']['a']
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assert str(excinfo.value).startswith('Stream already has a selector:')
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with pytest.raises(TypeError) as excinfo:
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input[:'a']
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assert str(excinfo.value).startswith("Expected string index (e.g. 'a')")
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with pytest.raises(TypeError) as excinfo:
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input[5]
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assert str(excinfo.value).startswith("Expected string index (e.g. 'a')")
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def _get_complex_filter_asplit_example():
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split = ffmpeg.input(TEST_INPUT_FILE1).vflip().asplit()
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split0 = split[0]
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split1 = split[1]
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return (
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ffmpeg.concat(
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split0.filter('atrim', start=10, end=20),
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split1.filter('atrim', start=30, end=40),
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)
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.output(TEST_OUTPUT_FILE1)
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.overwrite_output()
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)
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def test_filter_concat__video_only():
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in1 = ffmpeg.input('in1.mp4')
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in2 = ffmpeg.input('in2.mp4')
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args = ffmpeg.concat(in1, in2).output('out.mp4').get_args()
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assert args == [
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'-i',
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'in1.mp4',
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'-i',
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'in2.mp4',
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'-filter_complex',
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'[0][1]concat=n=2[s0]',
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'-map',
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'[s0]',
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'out.mp4',
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]
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def test_filter_concat__audio_only():
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in1 = ffmpeg.input('in1.mp4')
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in2 = ffmpeg.input('in2.mp4')
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args = ffmpeg.concat(in1, in2, v=0, a=1).output('out.mp4').get_args()
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assert args == [
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'-i',
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'in1.mp4',
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'-i',
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'in2.mp4',
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'-filter_complex',
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'[0][1]concat=a=1:n=2:v=0[s0]',
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'-map',
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'[s0]',
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'out.mp4',
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]
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def test_filter_concat__audio_video():
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in1 = ffmpeg.input('in1.mp4')
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in2 = ffmpeg.input('in2.mp4')
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joined = ffmpeg.concat(in1.video, in1.audio, in2.hflip(), in2['a'], v=1, a=1).node
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args = ffmpeg.output(joined[0], joined[1], 'out.mp4').get_args()
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assert args == [
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'-i',
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'in1.mp4',
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'-i',
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'in2.mp4',
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'-filter_complex',
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'[1]hflip[s0];[0:v][0:a][s0][1:a]concat=a=1:n=2:v=1[s1][s2]',
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'-map',
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'[s1]',
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'-map',
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'[s2]',
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'out.mp4',
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]
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def test_filter_concat__wrong_stream_count():
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in1 = ffmpeg.input('in1.mp4')
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in2 = ffmpeg.input('in2.mp4')
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with pytest.raises(ValueError) as excinfo:
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ffmpeg.concat(in1.video, in1.audio, in2.hflip(), v=1, a=1).node
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assert (
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str(excinfo.value)
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== 'Expected concat input streams to have length multiple of 2 (v=1, a=1); got 3'
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)
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def test_filter_asplit():
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out = _get_complex_filter_asplit_example()
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args = out.get_args()
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assert args == [
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'-i',
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TEST_INPUT_FILE1,
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'-filter_complex',
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'[0]vflip[s0];[s0]asplit=2[s1][s2];[s1]atrim=end=20:start=10[s3];[s2]atrim=end=40:start=30[s4];[s3]'
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'[s4]concat=n=2[s5]',
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'-map',
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'[s5]',
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TEST_OUTPUT_FILE1,
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'-y',
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]
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def test__output__bitrate():
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args = (
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ffmpeg.input('in')
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.output('out', video_bitrate=1000, audio_bitrate=200)
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.get_args()
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)
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assert args == ['-i', 'in', '-b:v', '1000', '-b:a', '200', 'out']
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@pytest.mark.parametrize('video_size', [(320, 240), '320x240'])
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def test__output__video_size(video_size):
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args = ffmpeg.input('in').output('out', video_size=video_size).get_args()
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assert args == ['-i', 'in', '-video_size', '320x240', 'out']
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def test_filter_normal_arg_escape():
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"""Test string escaping of normal filter args (e.g. ``font`` param of ``drawtext`` filter)."""
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def _get_drawtext_font_repr(font):
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"""Build a command-line arg using drawtext ``font`` param and extract the ``-filter_complex`` arg."""
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args = (
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ffmpeg.input('in')
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.drawtext('test', font='a{}b'.format(font))
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.output('out')
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.get_args()
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)
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assert args[:3] == ['-i', 'in', '-filter_complex']
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assert args[4:] == ['-map', '[s0]', 'out']
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match = re.match(
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r'\[0\]drawtext=font=a((.|\n)*)b:text=test\[s0\]', args[3], re.MULTILINE
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)
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assert match is not None, 'Invalid -filter_complex arg: {!r}'.format(args[3])
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return match.group(1)
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expected_backslash_counts = {
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'x': 0,
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'\'': 3,
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'\\': 3,
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'%': 0,
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':': 2,
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',': 1,
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'[': 1,
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']': 1,
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'=': 2,
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'\n': 0,
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}
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for ch, expected_backslash_count in list(expected_backslash_counts.items()):
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expected = '{}{}'.format('\\' * expected_backslash_count, ch)
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actual = _get_drawtext_font_repr(ch)
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assert expected == actual
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def test_filter_text_arg_str_escape():
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"""Test string escaping of normal filter args (e.g. ``text`` param of ``drawtext`` filter)."""
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def _get_drawtext_text_repr(text):
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"""Build a command-line arg using drawtext ``text`` param and extract the ``-filter_complex`` arg."""
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args = ffmpeg.input('in').drawtext('a{}b'.format(text)).output('out').get_args()
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assert args[:3] == ['-i', 'in', '-filter_complex']
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assert args[4:] == ['-map', '[s0]', 'out']
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match = re.match(r'\[0\]drawtext=text=a((.|\n)*)b\[s0\]', args[3], re.MULTILINE)
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assert match is not None, 'Invalid -filter_complex arg: {!r}'.format(args[3])
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return match.group(1)
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expected_backslash_counts = {
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'x': 0,
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'\'': 7,
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'\\': 7,
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'%': 4,
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':': 2,
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',': 1,
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'[': 1,
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']': 1,
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'=': 2,
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'\n': 0,
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}
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for ch, expected_backslash_count in list(expected_backslash_counts.items()):
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expected = '{}{}'.format('\\' * expected_backslash_count, ch)
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actual = _get_drawtext_text_repr(ch)
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assert expected == actual
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# def test_version():
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# subprocess.check_call(['ffmpeg', '-version'])
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def test__compile():
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out_file = ffmpeg.input('dummy.mp4').output('dummy2.mp4')
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assert out_file.compile() == ['ffmpeg', '-i', 'dummy.mp4', 'dummy2.mp4']
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assert out_file.compile(cmd='ffmpeg.old') == [
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'ffmpeg.old',
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'-i',
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'dummy.mp4',
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'dummy2.mp4',
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]
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@pytest.mark.parametrize('pipe_stdin', [True, False])
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@pytest.mark.parametrize('pipe_stdout', [True, False])
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@pytest.mark.parametrize('pipe_stderr', [True, False])
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def test__run_async(mocker, pipe_stdin, pipe_stdout, pipe_stderr):
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process__mock = mock.Mock()
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popen__mock = mocker.patch.object(subprocess, 'Popen', return_value=process__mock)
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stream = _get_simple_example()
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process = ffmpeg.run_async(
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stream, pipe_stdin=pipe_stdin, pipe_stdout=pipe_stdout, pipe_stderr=pipe_stderr
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)
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assert process is process__mock
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expected_stdin = subprocess.PIPE if pipe_stdin else None
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expected_stdout = subprocess.PIPE if pipe_stdout else None
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expected_stderr = subprocess.PIPE if pipe_stderr else None
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(args,), kwargs = popen__mock.call_args
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assert args == ffmpeg.compile(stream)
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assert kwargs == dict(
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stdin=expected_stdin, stdout=expected_stdout, stderr=expected_stderr
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)
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def test__run():
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stream = _get_complex_filter_example()
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out, err = ffmpeg.run(stream)
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assert out is None
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|
assert err is None
|
|
|
|
|
|
@pytest.mark.parametrize('capture_stdout', [True, False])
|
|
@pytest.mark.parametrize('capture_stderr', [True, False])
|
|
def test__run__capture_out(mocker, capture_stdout, capture_stderr):
|
|
mocker.patch.object(ffmpeg._run, 'compile', return_value=['echo', 'test'])
|
|
stream = _get_simple_example()
|
|
out, err = ffmpeg.run(
|
|
stream, capture_stdout=capture_stdout, capture_stderr=capture_stderr
|
|
)
|
|
if capture_stdout:
|
|
assert out == 'test\n'.encode()
|
|
else:
|
|
assert out is None
|
|
if capture_stderr:
|
|
assert err == ''.encode()
|
|
else:
|
|
assert err is None
|
|
|
|
|
|
def test__run__input_output(mocker):
|
|
mocker.patch.object(ffmpeg._run, 'compile', return_value=['cat'])
|
|
stream = _get_simple_example()
|
|
out, err = ffmpeg.run(stream, input='test'.encode(), capture_stdout=True)
|
|
assert out == 'test'.encode()
|
|
assert err is None
|
|
|
|
|
|
@pytest.mark.parametrize('capture_stdout', [True, False])
|
|
@pytest.mark.parametrize('capture_stderr', [True, False])
|
|
def test__run__error(mocker, capture_stdout, capture_stderr):
|
|
mocker.patch.object(ffmpeg._run, 'compile', return_value=['ffmpeg'])
|
|
stream = _get_complex_filter_example()
|
|
with pytest.raises(ffmpeg.Error) as excinfo:
|
|
out, err = ffmpeg.run(
|
|
stream, capture_stdout=capture_stdout, capture_stderr=capture_stderr
|
|
)
|
|
assert str(excinfo.value) == 'ffmpeg error (see stderr output for detail)'
|
|
out = excinfo.value.stdout
|
|
err = excinfo.value.stderr
|
|
if capture_stdout:
|
|
assert out == ''.encode()
|
|
else:
|
|
assert out is None
|
|
if capture_stderr:
|
|
assert err.decode().startswith('ffmpeg version')
|
|
else:
|
|
assert err is None
|
|
|
|
|
|
def test__run__multi_output():
|
|
in_ = ffmpeg.input(TEST_INPUT_FILE1)
|
|
out1 = in_.output(TEST_OUTPUT_FILE1)
|
|
out2 = in_.output(TEST_OUTPUT_FILE2)
|
|
ffmpeg.run([out1, out2], overwrite_output=True)
|
|
|
|
|
|
def test__run__dummy_cmd():
|
|
stream = _get_complex_filter_example()
|
|
ffmpeg.run(stream, cmd='true')
|
|
|
|
|
|
def test__run__dummy_cmd_list():
|
|
stream = _get_complex_filter_example()
|
|
ffmpeg.run(stream, cmd=['true', 'ignored'])
|
|
|
|
|
|
def test__filter__custom():
|
|
stream = ffmpeg.input('dummy.mp4')
|
|
stream = ffmpeg.filter(stream, 'custom_filter', 'a', 'b', kwarg1='c')
|
|
stream = ffmpeg.output(stream, 'dummy2.mp4')
|
|
assert stream.get_args() == [
|
|
'-i',
|
|
'dummy.mp4',
|
|
'-filter_complex',
|
|
'[0]custom_filter=a:b:kwarg1=c[s0]',
|
|
'-map',
|
|
'[s0]',
|
|
'dummy2.mp4',
|
|
]
|
|
|
|
|
|
def test__filter__custom_fluent():
|
|
stream = (
|
|
ffmpeg.input('dummy.mp4')
|
|
.filter('custom_filter', 'a', 'b', kwarg1='c')
|
|
.output('dummy2.mp4')
|
|
)
|
|
assert stream.get_args() == [
|
|
'-i',
|
|
'dummy.mp4',
|
|
'-filter_complex',
|
|
'[0]custom_filter=a:b:kwarg1=c[s0]',
|
|
'-map',
|
|
'[s0]',
|
|
'dummy2.mp4',
|
|
]
|
|
|
|
|
|
def test__merge_outputs():
|
|
in_ = ffmpeg.input('in.mp4')
|
|
out1 = in_.output('out1.mp4')
|
|
out2 = in_.output('out2.mp4')
|
|
assert ffmpeg.merge_outputs(out1, out2).get_args() == [
|
|
'-i',
|
|
'in.mp4',
|
|
'out1.mp4',
|
|
'out2.mp4',
|
|
]
|
|
assert ffmpeg.get_args([out1, out2]) == ['-i', 'in.mp4', 'out2.mp4', 'out1.mp4']
|
|
|
|
|
|
def test__input__start_time():
|
|
assert ffmpeg.input('in', ss=10.5).output('out').get_args() == [
|
|
'-ss',
|
|
'10.5',
|
|
'-i',
|
|
'in',
|
|
'out',
|
|
]
|
|
assert ffmpeg.input('in', ss=0.0).output('out').get_args() == [
|
|
'-ss',
|
|
'0.0',
|
|
'-i',
|
|
'in',
|
|
'out',
|
|
]
|
|
|
|
|
|
def test_multi_passthrough():
|
|
out1 = ffmpeg.input('in1.mp4').output('out1.mp4')
|
|
out2 = ffmpeg.input('in2.mp4').output('out2.mp4')
|
|
out = ffmpeg.merge_outputs(out1, out2)
|
|
assert ffmpeg.get_args(out) == [
|
|
'-i',
|
|
'in1.mp4',
|
|
'-i',
|
|
'in2.mp4',
|
|
'out1.mp4',
|
|
'-map',
|
|
'1',
|
|
'out2.mp4',
|
|
]
|
|
assert ffmpeg.get_args([out1, out2]) == [
|
|
'-i',
|
|
'in2.mp4',
|
|
'-i',
|
|
'in1.mp4',
|
|
'out2.mp4',
|
|
'-map',
|
|
'1',
|
|
'out1.mp4',
|
|
]
|
|
|
|
|
|
def test_passthrough_selectors():
|
|
i1 = ffmpeg.input(TEST_INPUT_FILE1)
|
|
args = ffmpeg.output(i1['1'], i1['2'], TEST_OUTPUT_FILE1).get_args()
|
|
assert args == [
|
|
'-i',
|
|
TEST_INPUT_FILE1,
|
|
'-map',
|
|
'0:1',
|
|
'-map',
|
|
'0:2',
|
|
TEST_OUTPUT_FILE1,
|
|
]
|
|
|
|
|
|
def test_mixed_passthrough_selectors():
|
|
i1 = ffmpeg.input(TEST_INPUT_FILE1)
|
|
args = ffmpeg.output(i1['1'].hflip(), i1['2'], TEST_OUTPUT_FILE1).get_args()
|
|
assert args == [
|
|
'-i',
|
|
TEST_INPUT_FILE1,
|
|
'-filter_complex',
|
|
'[0:1]hflip[s0]',
|
|
'-map',
|
|
'[s0]',
|
|
'-map',
|
|
'0:2',
|
|
TEST_OUTPUT_FILE1,
|
|
]
|
|
|
|
|
|
def test_pipe():
|
|
width = 32
|
|
height = 32
|
|
frame_size = width * height * 3 # 3 bytes for rgb24
|
|
frame_count = 10
|
|
start_frame = 2
|
|
|
|
out = (
|
|
ffmpeg.input(
|
|
'pipe:0',
|
|
format='rawvideo',
|
|
pixel_format='rgb24',
|
|
video_size=(width, height),
|
|
framerate=10,
|
|
)
|
|
.trim(start_frame=start_frame)
|
|
.output('pipe:1', format='rawvideo')
|
|
)
|
|
|
|
args = out.get_args()
|
|
assert args == [
|
|
'-f',
|
|
'rawvideo',
|
|
'-video_size',
|
|
'{}x{}'.format(width, height),
|
|
'-framerate',
|
|
'10',
|
|
'-pixel_format',
|
|
'rgb24',
|
|
'-i',
|
|
'pipe:0',
|
|
'-filter_complex',
|
|
'[0]trim=start_frame=2[s0]',
|
|
'-map',
|
|
'[s0]',
|
|
'-f',
|
|
'rawvideo',
|
|
'pipe:1',
|
|
]
|
|
|
|
cmd = ['ffmpeg'] + args
|
|
p = subprocess.Popen(
|
|
cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE
|
|
)
|
|
|
|
in_data = bytes(
|
|
bytearray([random.randint(0, 255) for _ in range(frame_size * frame_count)])
|
|
)
|
|
p.stdin.write(in_data) # note: this could block, in which case need to use threads
|
|
p.stdin.close()
|
|
|
|
out_data = p.stdout.read()
|
|
assert len(out_data) == frame_size * (frame_count - start_frame)
|
|
assert out_data == in_data[start_frame * frame_size :]
|
|
|
|
|
|
def test__probe():
|
|
data = ffmpeg.probe(TEST_INPUT_FILE1)
|
|
assert set(data.keys()) == {'format', 'streams'}
|
|
assert data['format']['duration'] == '7.036000'
|
|
|
|
|
|
def test__probe__exception():
|
|
with pytest.raises(ffmpeg.Error) as excinfo:
|
|
ffmpeg.probe(BOGUS_INPUT_FILE)
|
|
assert str(excinfo.value) == 'ffprobe error (see stderr output for detail)'
|
|
assert 'No such file or directory'.encode() in excinfo.value.stderr
|
|
|
|
|
|
def test__probe__extra_args():
|
|
data = ffmpeg.probe(TEST_INPUT_FILE1, show_frames=None)
|
|
assert set(data.keys()) == {'format', 'streams', 'frames'}
|
|
|
|
|
|
def get_filter_complex_input(flt, name):
|
|
m = re.search(r'\[([^]]+)\]{}(?=[[;]|$)'.format(name), flt)
|
|
if m:
|
|
return m.group(1)
|
|
else:
|
|
return None
|
|
|
|
|
|
def get_filter_complex_outputs(flt, name):
|
|
m = re.search(r'(^|[];]){}((\[[^]]+\])+)(?=;|$)'.format(name), flt)
|
|
if m:
|
|
return m.group(2)[1:-1].split('][')
|
|
else:
|
|
return None
|
|
|
|
|
|
def test__get_filter_complex_input():
|
|
assert get_filter_complex_input("", "scale") is None
|
|
assert get_filter_complex_input("scale", "scale") is None
|
|
assert get_filter_complex_input("scale[s3][s4];etc", "scale") is None
|
|
assert get_filter_complex_input("[s2]scale", "scale") == "s2"
|
|
assert get_filter_complex_input("[s2]scale;etc", "scale") == "s2"
|
|
assert get_filter_complex_input("[s2]scale[s3][s4];etc", "scale") == "s2"
|
|
|
|
|
|
def test__get_filter_complex_outputs():
|
|
assert get_filter_complex_outputs("", "scale") is None
|
|
assert get_filter_complex_outputs("scale", "scale") is None
|
|
assert get_filter_complex_outputs("scalex[s0][s1]", "scale") is None
|
|
assert get_filter_complex_outputs("scale[s0][s1]", "scale") == ['s0', 's1']
|
|
assert get_filter_complex_outputs("[s5]scale[s0][s1]", "scale") == ['s0', 's1']
|
|
assert get_filter_complex_outputs("[s5]scale[s1][s0]", "scale") == ['s1', 's0']
|
|
assert get_filter_complex_outputs("[s5]scale[s1]", "scale") == ['s1']
|
|
assert get_filter_complex_outputs("[s5]scale[s1];x", "scale") == ['s1']
|
|
assert get_filter_complex_outputs("y;[s5]scale[s1];x", "scale") == ['s1']
|
|
|
|
|
|
def test__multi_output_edge_label_order():
|
|
scale2ref = ffmpeg.filter_multi_output(
|
|
[ffmpeg.input('x'), ffmpeg.input('y')], 'scale2ref'
|
|
)
|
|
out = ffmpeg.merge_outputs(
|
|
scale2ref[1].filter('scale').output('a'),
|
|
scale2ref[10000].filter('hflip').output('b'),
|
|
)
|
|
|
|
args = out.get_args()
|
|
flt_cmpl = args[args.index('-filter_complex') + 1]
|
|
out1, out2 = get_filter_complex_outputs(flt_cmpl, 'scale2ref')
|
|
assert out1 == get_filter_complex_input(flt_cmpl, 'scale')
|
|
assert out2 == get_filter_complex_input(flt_cmpl, 'hflip')
|