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Fix -map to not use brackets for passthroughs; fixes #102, #23

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This commit is contained in:
Karl Kroening 2018-07-13 04:28:21 +02:00
parent 5916891bbf
commit 217bd2bde6
2 changed files with 47 additions and 8 deletions
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14
ffmpeg/_run.py
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@ -57,13 +57,19 @@ def _get_input_args(input_node):
return args return args
def _format_input_stream_name(stream_name_map, edge): def _format_input_stream_name(stream_name_map, edge, is_final_arg=False):
prefix = stream_name_map[edge.upstream_node, edge.upstream_label] prefix = stream_name_map[edge.upstream_node, edge.upstream_label]
if not edge.upstream_selector: if not edge.upstream_selector:
suffix = '' suffix = ''
else: else:
suffix = ':{}'.format(edge.upstream_selector) suffix = ':{}'.format(edge.upstream_selector)
return '[{}{}]'.format(prefix, suffix) if is_final_arg and isinstance(edge.upstream_node, InputNode):
## Special case: `-map` args should not have brackets for input
## nodes.
fmt = '{}{}'
else:
fmt = '[{}{}]'
return fmt.format(prefix, suffix)
def _format_output_stream_name(stream_name_map, edge): def _format_output_stream_name(stream_name_map, edge):
@ -113,8 +119,8 @@ def _get_output_args(node, stream_name_map):
for edge in node.incoming_edges: for edge in node.incoming_edges:
# edge = node.incoming_edges[0] # edge = node.incoming_edges[0]
stream_name = _format_input_stream_name(stream_name_map, edge) stream_name = _format_input_stream_name(stream_name_map, edge, is_final_arg=True)
if stream_name != '[0]' or len(node.incoming_edges) > 1: if stream_name != '0' or len(node.incoming_edges) > 1:
args += ['-map', stream_name] args += ['-map', stream_name]
kwargs = copy.copy(node.kwargs) kwargs = copy.copy(node.kwargs)

41
ffmpeg/tests/test_ffmpeg.py
View File

@ -165,8 +165,8 @@ def test_combined_output():
assert out.get_args() == [ assert out.get_args() == [
'-i', TEST_INPUT_FILE1, '-i', TEST_INPUT_FILE1,
'-i', TEST_OVERLAY_FILE, '-i', TEST_OVERLAY_FILE,
'-map', '[0]', '-map', '0',
'-map', '[1]', '-map', '1',
TEST_OUTPUT_FILE1 TEST_OUTPUT_FILE1
] ]
@ -186,6 +186,7 @@ def test_filter_with_selector():
] ]
def test_get_item_with_bad_selectors(): def test_get_item_with_bad_selectors():
input = ffmpeg.input(TEST_INPUT_FILE1) input = ffmpeg.input(TEST_INPUT_FILE1)
@ -532,18 +533,50 @@ def test_multi_passthrough():
'-i', 'in1.mp4', '-i', 'in1.mp4',
'-i', 'in2.mp4', '-i', 'in2.mp4',
'out1.mp4', 'out1.mp4',
'-map', '[1]', # FIXME: this should not be here (see #23) '-map', '1',
'out2.mp4' 'out2.mp4'
] ]
assert ffmpeg.get_args([out1, out2]) == [ assert ffmpeg.get_args([out1, out2]) == [
'-i', 'in2.mp4', '-i', 'in2.mp4',
'-i', 'in1.mp4', '-i', 'in1.mp4',
'out2.mp4', 'out2.mp4',
'-map', '[1]', # FIXME: this should not be here (see #23) '-map', '1',
'out1.mp4' '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(): def test_pipe():
width = 32 width = 32
height = 32 height = 32