{
  "schema_version": "1.0",
  "privacy": {
    "paths": "basename-only",
    "url_credentials": "redacted",
    "url_queries": "redacted",
    "secret_assignments": "<redacted>",
    "content_hashing": "disabled"
  },
  "plan": {
    "workflow": "normalize-audio",
    "command": [
      "ffmpeg",
      "-n",
      "-progress",
      "pipe:1",
      "-nostats",
      "-i",
      "<path>/sample_audio_wav.wav",
      "-af",
      "loudnorm=I=-16.0:TP=-1.5:LRA=11.0",
      "-c:a",
      "libmp3lame",
      "-b:a",
      "192k",
      "<path>/podcast.mp3"
    ],
    "inputs": [
      "<path>/sample_audio_wav.wav"
    ],
    "outputs": [
      "<path>/podcast.mp3"
    ],
    "policy": {
      "overwrite": "refuse",
      "timeout_seconds": null,
      "stdout": "tail",
      "stderr": "tail",
      "capture_tail_chars": 16384,
      "temporary_files": "clean"
    },
    "required_capabilities": [
      "filter:loudnorm",
      "encoder:libmp3lame"
    ],
    "selected_streams": [
      "audio:0"
    ],
    "operations": [
      "normalize to I=-16.0 LUFS, TP=-1.5 dBTP, LRA=11.0 LU"
    ],
    "steps": [],
    "warnings": [],
    "metadata": {
      "structured_progress": true,
      "required_stream_types": [
        "audio"
      ]
    },
    "schema_version": "1.0"
  },
  "tools": {
    "pyffmpegcore": "0.2.0",
    "python": "3.14.6",
    "platform": "macOS-26.6-arm64-arm-64bit-Mach-O",
    "ffmpeg": "ffmpeg version 9.0.1 Copyright (c) 2000-2026 the FFmpeg developers",
    "ffprobe": "ffprobe version 9.0.1 Copyright (c) 2007-2026 the FFmpeg developers"
  },
  "summary": {
    "total": 1,
    "succeeded": 1,
    "failed": 0
  },
  "items": [
    {
      "input_probe": {
        "path": "<path>/sample_audio_wav.wav",
        "format_name": "wav",
        "duration": 4.2,
        "size_bytes": 370518,
        "bit_rate": 705748,
        "streams": [
          {
            "index": 0,
            "type": "audio",
            "codec": "pcm_s16le",
            "width": null,
            "height": null,
            "sample_rate": 44100,
            "channels": 1,
            "language": null,
            "rotation": null
          }
        ],
        "chapter_count": 0
      },
      "output_probe": {
        "path": "<path>/podcast.mp3",
        "format_name": "mp3",
        "duration": 4.2,
        "size_bytes": 101996,
        "bit_rate": 194278,
        "streams": [
          {
            "index": 0,
            "type": "audio",
            "codec": "mp3",
            "width": null,
            "height": null,
            "sample_rate": 48000,
            "channels": 1,
            "language": null,
            "rotation": null
          }
        ],
        "chapter_count": 0
      },
      "proof": {
        "input_size_bytes": 370518,
        "output_size_bytes": 101996,
        "size_change_bytes": -268522,
        "reduction_percent": 72.47,
        "target_size_bytes": null,
        "target_met": null
      },
      "preflight": {
        "schema_version": "1.0",
        "workflow": "normalize-audio",
        "ok": true,
        "checks": [
          {
            "name": "ffmpeg",
            "status": "pass",
            "message": "Executable: /opt/homebrew/bin/ffmpeg",
            "hint": null
          },
          {
            "name": "capability/filter:loudnorm",
            "status": "pass",
            "message": "Available",
            "hint": null
          },
          {
            "name": "capability/encoder:libmp3lame",
            "status": "pass",
            "message": "Available",
            "hint": null
          },
          {
            "name": "input/<path>/sample_audio_wav.wav",
            "status": "pass",
            "message": "Input is readable",
            "hint": null
          },
          {
            "name": "streams/<path>/sample_audio_wav.wav",
            "status": "pass",
            "message": "Required streams available: audio",
            "hint": null
          },
          {
            "name": "output/<path>/podcast.mp3",
            "status": "pass",
            "message": "Output parent is writable: <path>",
            "hint": null
          },
          {
            "name": "collision/<path>/podcast.mp3",
            "status": "pass",
            "message": "No blocking output collision",
            "hint": null
          },
          {
            "name": "disk/<path>/podcast.mp3",
            "status": "pass",
            "message": "Free space 9541414912 bytes; estimate 370518",
            "hint": null
          },
          {
            "name": "container/<path>/podcast.mp3",
            "status": "pass",
            "message": "Muxer available: mp3",
            "hint": null
          }
        ]
      },
      "result": {
        "workflow": "normalize-audio",
        "status": "succeeded",
        "exit_category": "ok",
        "returncode": 0,
        "elapsed_seconds": 0.2249922079499811,
        "progress": {
          "schema_version": "1.0",
          "sequence": 1,
          "status": "end",
          "frame": null,
          "time_seconds": 4.2,
          "speed": 31.4,
          "item": "normalize-audio"
        },
        "warnings": []
      }
    }
  ],
  "content_hashes": []
}