Add a null filter to re-enable frame count (#107)

* Add a null filter to re-enable frame count This aims at addressing #99 * Relax testing criteria in test_read_nframes See #107 (comment)
imageio · May 23, 2024 · 44c81e6 · 44c81e6
1 parent 4ea902c
commit 44c81e6
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/imageio_ffmpeg/_io.py b/imageio_ffmpeg/_io.py
@@ -153,8 +153,8 @@ def count_frames_and_secs(path):
         path,
         "-map",
         "0:v:0",
-        "-c",
-        "copy",
+        "-vf",
+        "null",
         "-f",
         "null",
         "-",

diff --git a/tests/test_io.py b/tests/test_io.py
@@ -40,7 +40,7 @@ def test_ffmpeg_version():
 def test_read_nframes():
     nframes, nsecs = imageio_ffmpeg.count_frames_and_secs(test_file1)
     assert nframes == 280
-    assert 13.80 < nsecs < 13.99
+    assert 13.80 < nsecs <= 14.00
 
 
 def test_read_frames_resource_warning():
-Original file line number
+Diff line change
@@ Expand Up / @@ -153,8 +153,8 @@ def count_frames_and_secs(path): @@
             path,
             "-map",
             "0:v:0",
-            "-c",
-            "copy",
+            "-vf",
+            "null",
             "-f",
             "null",
             "-",
@@ Expand Down @@