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Changes buffer resize to a view. #36

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Merged
tuxu merged 6 commits into from
Mar 22, 2026
+10 −3
Merged

Changes buffer resize to a view. #36

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c6c046e
Removes python 3.8 and adds 3.13 and 3.14.
fakufaku Oct 10, 2025
5fa9d14
Merge branch 'master' of github.com:tuxu/python-samplerate
fakufaku Dec 6, 2025
9798349
Replaces output.resize by a view (issue #35).
fakufaku Mar 21, 2026
5ae5e8a
Mark the GIL as not used for python 3.13+.
fakufaku Mar 21, 2026
a687ad1
Addressing review comments.
fakufaku Mar 22, 2026
254dea4
Fix Windows build
tuxu Mar 22, 2026
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13 changes: 10 additions & 3 deletions src/samplerate.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -184,7 +184,9 @@ class Resampler {
// create a shorter view of the array
if ((size_t)src_data.output_frames_gen < new_size) {
out_shape[0] = src_data.output_frames_gen;
output.resize(out_shape);
return py::array_t<float, py::array::c_style>(
out_shape, outbuf.strides, static_cast<float *>(outbuf.ptr),
output);
}

return output;
Expand Down Expand Up @@ -313,7 +315,10 @@ class CallbackResampler {
// create a shorter view of the array
if (output_frames_gen < frames) {
out_shape[0] = output_frames_gen;
output.resize(out_shape);
auto strides = std::vector<py::ssize_t>(output.strides(),
output.strides() + output.ndim());
return py::array_t<float, py::array::c_style>(
out_shape, strides, static_cast<float *>(outbuf.ptr), output);
}

return output;
Expand Down Expand Up @@ -414,7 +419,9 @@ py::array_t<float, py::array::c_style> resample(
// create a shorter view of the array
if ((size_t)src_data.output_frames_gen < new_size) {
out_shape[0] = src_data.output_frames_gen;
output.resize(out_shape);
auto base = output;
output = py::array_t<float, py::array::c_style>(
out_shape, outbuf.strides, static_cast<float *>(outbuf.ptr), base);
}

if (verbose) {
Expand Down
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