Changeset dc74f69 for python/lib/aubio/cmd.py

Timestamp:

Nov 5, 2018, 2:02:20 PM (5 years ago)

Author:

Paul Brossier <piem@piem.org>

Branches:

feature/autosink, feature/cnn, feature/cnn_org, feature/constantq, feature/crepe, feature/crepe_org, feature/pitchshift, feature/pydocstrings, feature/timestretch, fix/ffmpeg5, master

Children:

bc1ed63

Parents:

f8c75aa

Message:

[py] move cut_slice from cut to cmd to avoid cyclic import

File:

• python/lib/aubio/cmd.py (modified) (3 diffs)

python/lib/aubio/cmd.py

@@ -12 +12 @@
 import sys
 import argparse
+import warnings
 import aubio
 
@@ -508 +509 @@
 
     def flush(self, frames_read, samplerate):
-        from aubio.cut import _cut_slice
         _cut_slice(self.options, self.slices)
         duration = float(frames_read) / float(samplerate)
@@ -518 +518 @@
         info += base_info
         sys.stderr.write(info)
+
+def _cut_slice(options, timestamps):
+    # cutting pass
+    nstamps = len(timestamps)
+    if nstamps > 0:
+        # generate output files
+        timestamps_end = None
+        if options.cut_every_nslices:
+            timestamps = timestamps[::options.cut_every_nslices]
+            nstamps = len(timestamps)
+        if options.cut_until_nslices and options.cut_until_nsamples:
+            msg = "using cut_until_nslices, but cut_until_nsamples is set"
+            warnings.warn(msg)
+        if options.cut_until_nsamples:
+            lag = options.cut_until_nsamples
+            timestamps_end = [t + lag for t in timestamps[1:]]
+            timestamps_end += [1e120]
+        if options.cut_until_nslices:
+            slice_lag = options.cut_until_nslices
+            timestamps_end = [t for t in timestamps[1 + slice_lag:]]
+            timestamps_end += [1e120] * (options.cut_until_nslices + 1)
+        aubio.slice_source_at_stamps(options.source_uri,
+                timestamps, timestamps_end = timestamps_end,
+                output_dir = options.output_directory,
+                samplerate = options.samplerate,
+                create_first = options.create_first)
 
 def main():