From 7bc77ff71417ea6391c571a3a9f737082508593f Mon Sep 17 00:00:00 2001
From: Davide Depau <davide@depau.eu>
Date: Fri, 22 Dec 2017 16:22:41 +0100
Subject: [PATCH 1/6] Add `asplit` filter

---
 ffmpeg/_filters.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/ffmpeg/_filters.py b/ffmpeg/_filters.py
index 0f980a7..8db40ee 100644
--- a/ffmpeg/_filters.py
+++ b/ffmpeg/_filters.py
@@ -52,6 +52,11 @@ def split(stream):
     return FilterNode(stream, split.__name__)
 
 
+@filter_operator()
+def asplit(stream):
+    return FilterNode(stream, split.__name__)
+
+
 @filter_operator()
 def setpts(stream, expr):
     """Change the PTS (presentation timestamp) of the input frames.

From 755fb843de221faf90245eb47a1ce8d466e42fd5 Mon Sep 17 00:00:00 2001
From: Davide Depau <davide@depau.eu>
Date: Fri, 22 Dec 2017 17:11:23 +0100
Subject: [PATCH 2/6] Also provide the number of splits to `asplit` filter

---
 ffmpeg/nodes.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ffmpeg/nodes.py b/ffmpeg/nodes.py
index 2b4c94f..013025d 100644
--- a/ffmpeg/nodes.py
+++ b/ffmpeg/nodes.py
@@ -152,7 +152,7 @@ class FilterNode(Node):
     def _get_filter(self, outgoing_edges):
         args = self.args
         kwargs = self.kwargs
-        if self.name == 'split':
+        if self.name in ('split', 'asplit'):
             args = [len(outgoing_edges)]
 
         out_args = [escape_chars(x, '\\\'=:') for x in args]

From e7fbb288d418140f9ceaf7851ed3faa6d4d0368a Mon Sep 17 00:00:00 2001
From: Davide Depau <davide@depau.eu>
Date: Wed, 10 Jan 2018 10:35:23 +0100
Subject: [PATCH 3/6] Fix name of asplit filter

---
 ffmpeg/_filters.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ffmpeg/_filters.py b/ffmpeg/_filters.py
index 8db40ee..94e6d24 100644
--- a/ffmpeg/_filters.py
+++ b/ffmpeg/_filters.py
@@ -54,7 +54,7 @@ def split(stream):
 
 @filter_operator()
 def asplit(stream):
-    return FilterNode(stream, split.__name__)
+    return FilterNode(stream, asplit.__name__)
 
 
 @filter_operator()

From c87fd5cf56174f3b01b2df48993c801e5ec7ac47 Mon Sep 17 00:00:00 2001
From: Davide Depau <davide@depau.eu>
Date: Wed, 10 Jan 2018 10:38:42 +0100
Subject: [PATCH 4/6] Add tests for asplit filter

---
 ffmpeg/tests/test_ffmpeg.py | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/ffmpeg/tests/test_ffmpeg.py b/ffmpeg/tests/test_ffmpeg.py
index 95e0042..59d17b0 100644
--- a/ffmpeg/tests/test_ffmpeg.py
+++ b/ffmpeg/tests/test_ffmpeg.py
@@ -147,6 +147,41 @@ def test_get_args_complex_filter():
     ]
 
 
+def _get_complex_filter_asplit_example():
+    split = (ffmpeg
+        .input(TEST_INPUT_FILE1)
+        .vflip()
+        .asplit()
+    )
+    split0 = split[0]
+    split1 = split[1]
+
+    return (ffmpeg
+        .concat(
+            split0.filter_("atrim", start=10, end=20),
+            split1.filter_("atrim", start=30, end=40),
+        )
+        .output(TEST_OUTPUT_FILE1)
+        .overwrite_output()
+    )
+
+
+def test_filter_asplit():
+    out = _get_complex_filter_asplit_example()
+    args = out.get_args()
+    assert args == [
+        '-i',
+        TEST_INPUT_FILE1,
+        '-filter_complex',
+        '[0]vflip[s0];[s0]asplit=2[s1][s2];[s1]atrim=end=20:start=10[s3];[s2]atrim=end=40:start=30[s4];[s3]'
+        '[s4]concat=n=2[s5]',
+        '-map',
+        '[s5]',
+        TEST_OUTPUT_FILE1,
+        '-y'
+    ]
+
+
 def test_filter_normal_arg_escape():
     """Test string escaping of normal filter args (e.g. ``font`` param of ``drawtext`` filter)."""
     def _get_drawtext_font_repr(font):

From 50c4a8985d713e06bc809f221756ae9c69eacd18 Mon Sep 17 00:00:00 2001
From: Arne de Laat <arne@delaat.net>
Date: Tue, 16 Jan 2018 22:10:41 +0100
Subject: [PATCH 5/6] Cleanup graph source file after rendering graph to pdf

---
 ffmpeg/_view.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ffmpeg/_view.py b/ffmpeg/_view.py
index cdb41b0..d2a945b 100644
--- a/ffmpeg/_view.py
+++ b/ffmpeg/_view.py
@@ -76,7 +76,7 @@ def view(stream_spec, **kwargs):
             downstream_node_id = str(hash(edge.downstream_node))
             graph.edge(upstream_node_id, downstream_node_id, **kwargs)
 
-    graph.view(filename)
+    graph.view(filename, cleanup=True)
 
     return stream_spec
 

From f1e418be4cd09f7bad0e42fcaa187cb6a42f1ac2 Mon Sep 17 00:00:00 2001
From: Davide Depau <me@davideddu.org>
Date: Fri, 26 Jan 2018 14:38:57 +0100
Subject: [PATCH 6/6] Add `filter_multi_output` to `__all__` so it's available
 in API

---
 ffmpeg/_filters.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ffmpeg/_filters.py b/ffmpeg/_filters.py
index 8bbe0cd..d220b69 100644
--- a/ffmpeg/_filters.py
+++ b/ffmpeg/_filters.py
@@ -421,6 +421,7 @@ __all__ = [
     'drawbox',
     'drawtext',
     'filter_',
+    'filter_multi_output',
     'hflip',
     'hue',
     'overlay',