Auto cut-down

import soundpiece

cut = soundpiece.run("adapt.auto_cut_down", {
    "source": {"url": "https://example.com/audio/track.mp3"},
    "target_duration": 30,
    "loudness": {"preset": "streaming"},
})

soundpiece.download(cut["output"]["url"], "cut.flac")
print(f"Saved cut.flac ({cut['output']['duration']} seconds)")

import { run, download } from "./soundpiece.mjs";

const cut = await run("adapt.auto_cut_down", {
  source: { url: "https://example.com/audio/track.mp3" },
  target_duration: 30,
  loudness: { preset: "streaming" },
});

await download(cut.output.url, "cut.flac");
console.log(`Saved cut.flac (${cut.output.duration} seconds)`);

#!/usr/bin/env bash
# Submit, wait and download by hand. Needs curl, jq and uuidgen.
set -euo pipefail
API=https://api.soundpiece.co/v1
AUTH="Authorization: Bearer $SOUNDPIECE_API_KEY"

# 1. Submit. Sending this exact body again (same idempotency_key) is safe.
body=$(jq -n --arg key "$(uuidgen)" '{
  idempotency_key: $key,
  source: { url: "https://example.com/audio/track.mp3" },
  target_duration: 30,
  loudness: { preset: "streaming" }
}')
response=$(curl --silent --show-error --max-time 30 --request PUT "$API/adapt.auto_cut_down" \
  --header "$AUTH" --header "Content-Type: application/json" --data "$body")
result=$(jq -e .auto_cut <<<"$response") || { echo "$response"; exit 1; }
id=$(jq -r .id <<<"$result")

# 2. Wait. Each call returns as soon as the work is finished, or after 20 seconds.
while [ "$(jq -r .status <<<"$result")" = processing ]; do
  response=$(curl --silent --show-error --max-time 30 "$API/adapt.auto_cut_down?id=$id&wait=true" \
    --header "$AUTH")
  result=$(jq -e .auto_cut <<<"$response") || { echo "$response"; exit 1; }
done

# 3. Download, or show what went wrong.
if [ "$(jq -r .status <<<"$result")" = failed ]; then
  jq .error <<<"$result"
  exit 1
fi
curl --silent --show-error --fail --output cut.flac "$(jq -r .output.url <<<"$result")"
echo "Saved cut.flac"