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import numpy as np
import soundfile as sf
from conftest import speechish
from producer import io as pio
from producer.cli import _apply_args, build_parser, process_one
from producer.config import Options
def _mk_wav(tmp_path, name="in.wav", stereo=False):
x = speechish(3.0, level_dbfs=-30.0)
if stereo:
data = np.stack([x, x * 0.5], axis=1)
sf.write(str(tmp_path / name), data, 44100, subtype="PCM_16")
else:
sf.write(str(tmp_path / name), x, 44100, subtype="PCM_16")
return tmp_path / name
def _opts(**kw):
opts = Options()
opts.denoise = "off"
opts.enhance = "off"
for k, v in kw.items():
setattr(opts, k, v)
return opts
def test_decode_stereo_mixdown(tmp_path):
p = _mk_wav(tmp_path, "st.wav", stereo=True)
x, sr = pio.decode(p)
assert sr == 44100
assert x.dtype.name == "float32"
assert x.ndim == 1
def test_encode_wav_bitdepths(tmp_path):
x = speechish(2.0, level_dbfs=-20.0)
for depth in (16, 24, 32):
out = tmp_path / f"o{depth}.wav"
pio.encode(x, 44100, out, "wav", depth)
y, sr = pio.decode(out)
assert sr == 44100
assert (
abs(
float(np.sqrt(np.mean(y.astype(np.float64) ** 2)))
- float(np.sqrt(np.mean(x.astype(np.float64) ** 2)))
)
< 1e-3
)
def test_encode_flac(tmp_path):
x = speechish(2.0, level_dbfs=-20.0)
out = tmp_path / "o.flac"
pio.encode(x, 44100, out, "flac", 24)
y, sr = pio.decode(out)
assert sr == 44100
assert np.corrcoef(x, y)[0, 1] > 0.999
def test_mp3_roundtrip(tmp_path):
import pytest as _pt
if not pio.ffmpeg_available():
_pt.skip("ffmpeg missing")
x = speechish(4.0, level_dbfs=-20.0)
out = tmp_path / "o.mp3"
pio.encode(x, 44100, out, "mp3", 16)
y, sr = pio.decode(out)
assert sr == 44100
from producer import meters
assert abs(meters.rms_db(x) - meters.rms_db(y)) < 0.7
def test_decode_via_ffmpeg_fallback(tmp_path):
import pytest as _pt
if not pio.ffmpeg_available():
_pt.skip("ffmpeg missing")
x = speechish(4.0, level_dbfs=-20.0)
out = tmp_path / "o.mp3"
pio.encode(x, 44100, out, "mp3", 16)
y, sr = pio.decode(out)
assert sr == 44100
assert y.size > 0
def test_process_one_end_to_end(tmp_path, capsys):
import json
from producer import meters
inp = _mk_wav(tmp_path, "e2e.wav")
out = tmp_path / "e2e_master.wav"
rc = process_one(inp, _opts(report=True), single=True)
assert rc == out
assert out.exists()
rep_path = out.with_name("e2e_master.report.json")
assert rep_path.exists()
rep = json.loads(rep_path.read_text())
y, sr = pio.decode(out)
assert abs(meters.rms_db(y) + 20.0) < 0.6
assert meters.true_peak_db(y, sr) <= -2.9
assert rep["after"]["rms_db"] != 0
def test_dry_run_listing(tmp_path, capsys):
from producer.cli import main
inp = _mk_wav(tmp_path, "dry.wav")
rc = main([str(inp), "--dry-run", "--denoise", "off"])
assert rc == 0
out = capsys.readouterr().out
assert "denoise" in out and "dsp" in out and "levelling" in out
def test_arg_parsing_precedence():
parser = build_parser()
args = parser.parse_args(
["in.wav", "--profile", "podcast", "--warmth", "0.1", "--ceiling", "-2.0"]
)
opts = Options()
_apply_args(opts, args)
assert opts.profile == "podcast"
assert opts.loudness_mode() == "lufs"
assert opts.strengths["warmth"] == 0.1
assert opts.ceiling() == -2.0
assert opts.strengths["air"] is None
def test_radio_profile_has_tuned_defaults():
from producer import pipeline
opts = Options(profile="radio")
assert opts.eff("tape") > 0 and opts.eff("soothe") > 0
assert opts.loudness_mode() == "lufs"
stages = pipeline.build_stages(opts)
assert [st.name for st in stages] == ["denoise", "enhance", "dsp", "levelling"]
assert opts.denoise_strength is not None
def test_tape_and_soothe_flags_override():
args = build_parser().parse_args(
["in.wav", "--profile", "radio", "--tape", "0.4", "--soothe", "0.7"]
)
opts = Options()
_apply_args(opts, args)
assert opts.profile == "radio"
assert opts.strengths["tape"] == 0.4
assert opts.strengths["soothe"] == 0.7
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