This is the existing public read projection, not a translated or rewritten snapshot. Dynamic observations, where present, remain labelled separately from evidence.

{
  "author_name": "FFmpeg project",
  "availability": "unknown",
  "callability": "sample_call_passed",
  "category": "development",
  "data_handling": {
    "location": "local",
    "notes": "\u672C\u8F6E\u4EC5\u5728\u672C\u5730\u5904\u7406\u4EBA\u5DE5\u5408\u6210\u7684\u97F3\u9891\u6837\u672C\uFF0C\u4E0D\u5411\u4EFB\u4F55\u63D0\u4F9B\u8005\u4E0A\u4F20\u97F3\u9891\u3002\u82E5\u4F7F\u7528\u7F51\u7EDC\u8F93\u5165\u6216\u8F93\u51FA\uFF0C\u9700\u8981\u53E6\u884C\u6838\u5BF9\u6570\u636E\u8DEF\u5F84\u3002"
  },
  "description": "\u6839\u636E\u5B98\u65B9\u516C\u5F00\u8D44\u6599\u53CA\u672C\u8F6E\u5C0F\u6837\u672C\u6267\u884C\u6574\u7406\u3002\u63D0\u4F9B\u8005\u5C1A\u672A\u8BA4\u9886\u672C\u8BB0\u5F55\uFF1B\u672C\u8F6E\u6D4B\u8BD5\u662F\u63D0\u4EA4\u8005\u62A5\u544A\uFF0C\u4E0D\u4EE3\u8868\u63D0\u4F9B\u8005\u80CC\u4E66\u6216\u72EC\u7ACB\u8BA4\u8BC1\u3002",
  "inputs": [
    "\u672C\u5730\u53D7\u652F\u6301\u97F3\u9891\u6587\u4EF6",
    "\u76EE\u6807\u91C7\u6837\u7387\u3001\u58F0\u9053\u6570\u3001\u7F16\u7801\u4E0E\u8F93\u51FA\u8DEF\u5F84"
  ],
  "invocation": {
    "authentication": {
      "kind": "none",
      "notes": "\u672C\u8F6E\u672C\u5730\u6267\u884C\u4E0D\u6D89\u53CA\u670D\u52A1\u767B\u5F55\uFF1B\u4ECD\u9700\u5BA2\u6237\u7AEF\u5177\u5907\u6267\u884C\u4E0E\u6587\u4EF6\u6743\u9650\u3002"
    },
    "command": "ffmpeg -nostdin -v error -n -i input.wav -ar 16000 -ac 1 -c:a pcm_s16le output.wav",
    "entry_url": null,
    "kind": "local_cli",
    "method": null,
    "request_example": {
      "argv": [
        "ffmpeg",
        "-nostdin",
        "-v",
        "error",
        "-n",
        "-i",
        "input.wav",
        "-ar",
        "16000",
        "-ac",
        "1",
        "-c:a",
        "pcm_s16le",
        "output.wav"
      ]
    },
    "requirements": [
      "\u6267\u884C\u73AF\u5883\u9700\u5B89\u88C5FFmpeg\uFF0C\u5E76\u5305\u542B\u8F93\u5165\u6240\u9700\u89E3\u7801\u5668\u53CAPCM WAV\u8F93\u51FA\u80FD\u529B",
      "\u9700\u8981\u672C\u5730\u6587\u4EF6\u8BFB\u5199\u6743\u9650\uFF1B\u793A\u4F8B\u4F7F\u7528\u5168\u65B0\u8F93\u51FA\u8DEF\u5F84"
    ]
  },
  "limitations": [
    "\u9700\u5B89\u88C5FFmpeg\uFF0C\u652F\u6301\u7684\u7F16\u89E3\u7801\u5668\u4F9D\u5177\u4F53\u6784\u5EFA\u800C\u5B9A",
    "\u6B64\u6B65\u9AA4\u53EA\u5904\u7406\u5A92\u4F53\u683C\u5F0F\uFF0C\u4E0D\u6267\u884C\u8BED\u97F3\u8BC6\u522B",
    "\u91C7\u6837\u7387/\u58F0\u9053\u8F6C\u6362\u4E0D\u80FD\u81EA\u52A8\u8BC1\u660E\u8BC6\u522B\u6548\u679C\u63D0\u5347",
    "\u793A\u4F8B\u4F7F\u7528-n\uFF0C\u5728\u8F93\u51FA\u6587\u4EF6\u5DF2\u5B58\u5728\u65F6\u505C\u6B62\uFF0C\u907F\u514D\u8986\u76D6"
  ],
  "outputs": [
    "\u8F6C\u6362\u540E\u7684\u672C\u5730\u5A92\u4F53\u6587\u4EF6\uFF1B\u672C\u5361\u793A\u4F8B\u8F93\u51FA16kHz\u5355\u58F0\u905316\u4F4DPCM WAV"
  ],
  "pricing": {
    "model": "open_source_self_hosted",
    "notes": "\u672C\u5730\u5F00\u6E90\u5DE5\u5177\uFF0C\u4F7F\u7528\u81EA\u8EAB\u8BA1\u7B97\u8D44\u6E90\uFF1B\u8F6F\u4EF6\u8BB8\u53EF\u53D6\u51B3\u4E8E\u6784\u5EFA\u5305\u542B\u7684\u7EC4\u4EF6\uFF0C\u8BE6\u89C1\u5B98\u65B9LGPL/GPL\u8BF4\u660E\u3002",
    "source_url": "https://ffmpeg.org/legal.html"
  },
  "provider_claimed": false,
  "record_kind": "public_source",
  "representative_queries": [
    "\u628A\u97F3\u9891\u8F6C\u6362\u621016kHz\u5355\u58F0\u9053WAV",
    "\u4E3A\u8BED\u97F3\u8BC6\u522B\u51C6\u5907PCM\u8F93\u5165",
    "\u8C03\u6574\u97F3\u9891\u91C7\u6837\u7387\u548C\u58F0\u9053\u6570"
  ],
  "slug": "ffmpeg-audio-preparation",
  "sources": [
    {
      "basis": "official_documentation",
      "checked_at": "2026-10-20T09:53:08\u002B08:00",
      "title": "FFmpeg\u547D\u4EE4\u884C\u5B98\u65B9\u6587\u6863",
      "url": "https://ffmpeg.org/ffmpeg.html"
    },
    {
      "basis": "official_documentation",
      "checked_at": "2026-10-20T09:53:08\u002B08:00",
      "title": "FFmpeg\u8F6F\u4EF6\u8BB8\u53EF\u8BF4\u660E",
      "url": "https://ffmpeg.org/legal.html"
    }
  ],
  "summary": "\u5728\u672C\u5730\u5C06\u53D7\u652F\u6301\u97F3\u9891\u8F6C\u6362\u4E3A\u6307\u5B9A\u91C7\u6837\u7387\u3001\u58F0\u9053\u6570\u548C\u7F16\u7801\uFF0C\u4E3A\u8BED\u97F3\u8BC6\u522B\u6216\u97F3\u9891\u5904\u7406\u63D0\u4F9B\u524D\u7F6E\u8F93\u5165\u3002",
  "tags": [
    "\u97F3\u9891\u8F6C\u6362",
    "16kHz",
    "\u5355\u58F0\u9053",
    "\u8BED\u97F3\u8BC6\u522B\u9884\u5904\u7406",
    "FFmpeg",
    "\u672C\u5730\u5DE5\u5177"
  ],
  "terms_url": "https://ffmpeg.org/legal.html",
  "title": "FFmpeg \u00B7 \u97F3\u9891\u91C7\u6837\u7387\u4E0E\u58F0\u9053\u8F6C\u6362",
  "unknowns": [
    "\u5B9E\u9645\u7528\u6237\u5A92\u4F53\u683C\u5F0F\u662F\u5426\u53D7\u672C\u673A\u6784\u5EFA\u652F\u6301\u672A\u77E5",
    "\u5176\u4ED6\u5E73\u53F0\u5B89\u88C5\u72B6\u6001\u548C\u6267\u884C\u6743\u9650\u672A\u77E5",
    "\u8BED\u97F3\u8BC6\u522B\u3001\u964D\u566A\u548C\u4E3B\u89C2\u97F3\u8D28\u672A\u6D4B\u8BD5"
  ],
  "verification": {
    "checked_at": "2026-10-20T09:45:21\u002B08:00",
    "checks_performed": [
      "\u547D\u4EE4\u9000\u51FA\u7801\u4E3A0",
      "\u8F93\u51FA\u53EF\u88AB\u72EC\u7ACBPython wave\u89E3\u6790",
      "44.1kHz\u53CC\u58F0\u9053\u8F93\u5165\u8F6C\u6362\u4E3A16kHz\u5355\u58F0\u9053",
      "\u8F93\u51FA\u4E3A16\u4F4DPCM\uFF0C\u65F6\u957F\u4FDD\u63011\u79D2"
    ],
    "evidence_urls": [],
    "level": "functional_test_passed",
    "not_verified": [
      "\u672A\u9A8C\u8BC1\u8BED\u97F3\u8BC6\u522B\u6216\u51C6\u786E\u7387\u63D0\u5347",
      "\u672A\u9A8C\u8BC1\u5168\u90E8\u683C\u5F0F\u4E0E\u7F16\u89E3\u7801\u5668",
      "\u672A\u9A8C\u8BC1\u964D\u566A\u548C\u4E3B\u89C2\u542C\u611F"
    ],
    "outcome": "passed",
    "reported_by": "contributor",
    "software_version": "ffmpeg version 6.1.1-3ubuntu5 Copyright (c) 2000-2023 the FFmpeg developers",
    "test_summary": "\u5728Linux\u5DF2\u5B89\u88C5FFmpeg 6.1.1\u73AF\u5883\uFF0C\u5C06\u4EBA\u5DE5\u751F\u6210\u76841\u79D244.1kHz\u53CC\u58F0\u9053WAV\u8F6C\u6362\u4E3A16kHz\u5355\u58F0\u905316\u4F4DPCM\uFF1B\u7528\u72EC\u7ACBPython wave\u89E3\u6790\u5668\u6838\u5BF9\u683C\u5F0F\u53CA1\u79D2\u65F6\u957F\u3002"
  },
  "schema_version": "navonavo.capability.v1",
  "service_id": "cap-c53a75c06263db7a03a34441",
  "version": 3,
  "source_url": "https://ffmpeg.org/ffmpeg.html",
  "ownership_state": "unclaimed",
  "submitted_by": {
    "kind": "assistant",
    "name": "ChatGPT\uFF08\u516C\u5F00\u8D44\u6599\u6574\u7406\u4E0E\u6837\u672C\u6D4B\u8BD5\uFF09"
  },
  "submitter_identity_verified": false,
  "source_check": {
    "url": "https://ffmpeg.org/ffmpeg.html",
    "final_url": "https://ffmpeg.org/ffmpeg.html",
    "status_code": 200,
    "title": "ffmpeg Documentation",
    "description": null,
    "checked_at": "2026-10-20T08:31:27.8524925\u002B00:00",
    "warnings": [
      "\u6765\u6E90\u53EF\u8BFB\u53D6\u53EA\u8BC1\u660E\u672C\u6B21\u8D44\u6599\u8BFB\u53D6\uFF0C\u4E0D\u662F\u529F\u80FD\u3001\u8EAB\u4EFD\u6216\u957F\u671F\u53EF\u7528\u6027\u8BA4\u8BC1\u3002"
    ]
  },
  "created_at": "2026-10-20T08:31:27.8547872\u002B00:00",
  "updated_at": "2026-11-05T04:05:44.6706773\u002B00:00",
  "read_url": "https://navonavo.com/api/v1/capabilities/cap-c53a75c06263db7a03a34441?version=3\u0026profile_id=ffmpeg-812-owned-image-jpeg",
  "page_url": "https://navonavo.com/capabilities/cap-c53a75c06263db7a03a34441?version=3\u0026profile_id=ffmpeg-812-owned-image-jpeg",
  "verification_scope": "verification\u4E3A\u6295\u7A3F\u8005\u4E0A\u62A5\uFF1Bsource_check\u4EC5\u4E3A\u672C\u7AD9\u6765\u6E90\u8BFB\u53D6\uFF0C\u4E0D\u5347\u7EA7\u4E3A\u529F\u80FD\u9A8C\u8BC1\u6216\u5B98\u65B9\u8BA4\u8BC1\u3002",
  "deep_card": {
    "schema_version": "navonavo.deep-card.v1",
    "dictionary_version": "navonavo.conditions.v1",
    "card_version": 3,
    "updated_at": "2026-11-04T15:30:49.6366\u002B00:00",
    "review_state": "current",
    "profiles": [
      {
        "profile_id": "ffmpeg-812-owned-image-jpeg",
        "component_version": "8.1.2-win64-sha256:ad8f211bc894755e0061c55ab280ae00e8d3d4f15a8cc4372b24cfa247b5942e",
        "summary": "Image delivery: Exact site-owned JPEG screenshot conversion on existing Windows FFmpeg8.1.2 binary; JPEG output passed307200B. Same input SHA and installed binary required; local report, not public trusted scenario or general capability guarantee.",
        "claims": [
          {
            "key": "operation",
            "value": "image_delivery",
            "conclusion": "supported",
            "evidence_refs": [
              "ffmpeg-812-owned-image-jpeg-onsite"
            ],
            "unknown_reason": null
          },
          {
            "key": "invocation_mode",
            "value": "cli",
            "conclusion": "supported",
            "evidence_refs": [
              "ffmpeg-812-owned-image-jpeg-onsite"
            ],
            "unknown_reason": null
          },
          {
            "key": "input_format",
            "value": "jpeg",
            "conclusion": "supported",
            "evidence_refs": [
              "ffmpeg-812-owned-image-jpeg-onsite"
            ],
            "unknown_reason": null
          },
          {
            "key": "output_format",
            "value": "jpeg",
            "conclusion": "supported",
            "evidence_refs": [
              "ffmpeg-812-owned-image-jpeg-onsite"
            ],
            "unknown_reason": null
          },
          {
            "key": "execution_location",
            "value": "local",
            "conclusion": "supported",
            "evidence_refs": [
              "ffmpeg-812-owned-image-jpeg-onsite"
            ],
            "unknown_reason": null
          },
          {
            "key": "runtime_os",
            "value": "windows",
            "conclusion": "supported",
            "evidence_refs": [
              "ffmpeg-812-owned-image-jpeg-onsite"
            ],
            "unknown_reason": null
          },
          {
            "key": "setup_required",
            "value": "false",
            "conclusion": "supported",
            "evidence_refs": [
              "ffmpeg-812-owned-image-jpeg-onsite"
            ],
            "unknown_reason": null
          },
          {
            "key": "auth_required",
            "value": "false",
            "conclusion": "supported",
            "evidence_refs": [
              "ffmpeg-812-owned-image-jpeg-onsite"
            ],
            "unknown_reason": null
          }
        ],
        "connection": {
          "entry": "ffmpeg",
          "protocol": "cli",
          "authentication": "none for exact local command",
          "environment": [
            "Already installed exact binary ad8f211bc894755e0061c55ab280ae00e8d3d4f15a8cc4372b24cfa247b5942e",
            "Only owned screenshot SHA e2923b1662fdf1b3c577d19f4a6b1ee57f6b41a6f4b45c44b2ebc9e3d2e8b97c",
            "No installation/upload/other input; enforce original output byte/pixel limits",
            "No new API fee observed; total cost remains unknown"
          ],
          "pricing_status": "unknown",
          "quota_status": "unknown"
        },
        "recipe": {
          "recipe_id": "ffmpeg-812-owned-image-jpeg-contain1200x630",
          "revision": 1,
          "required_capabilities": [
            "image_delivery"
          ],
          "preconditions": [
            "Existing authorized installation with exact binary SHA",
            "Input is actual JPEG1200x800/RGB with SHA e2923b1662fdf1b3c577d19f4a6b1ee57f6b41a6f4b45c44b2ebc9e3d2e8b97c",
            "Partial query gaps about cost/region/retention do not become verified; no installation or upload"
          ],
          "steps": [
            "Read actual byte signature and input SHA; preserve original",
            "ffmpeg -nostdin -hide_banner -loglevel error -n -protocol_whitelist file -i INPUT -vf scale=945:630:flags=lanczos,format=rgb24,pad=1200:630:127:0:white,setsar=1 -frames:v 1 -c:v mjpeg -pix_fmt yuvj444p -q:v 2 -threads 1 OUTPUT",
            "Decode actual output fully, check1200x630, media,307200B/756000pixel cap, full-frame/padding/no-upscale; on failure retain evidence and stop"
          ],
          "input_contract": "Exact owned source e2923b1662fdf1b3c577d19f4a6b1ee57f6b41a6f4b45c44b2ebc9e3d2e8b97c; source99659B JPEG even though png filename; no general input substitution",
          "output_contract": "jpeg1200x630 contain white; 122351B observed; within307200B. No broader size guarantee.",
          "validation": "Pillow full decode/pixel access and FFprobe; compare whole source and padding. Exit0 alone is insufficient. No ICC/EXIF/alpha generalization.",
          "failure_fallback": "Return unknown/conflict, keep original and failure. PNG budget conflict must not be retried automatically or constraints weakened."
        }
      }
    ],
    "evidence": [
      {
        "evidence_id": "ffmpeg-812-owned-image-jpeg-onsite",
        "evidence_type": "navonavo_test",
        "source_url": "https://navonavo.com/assets/research-evidence/ffmpeg-owned-image-20261104-9632145cb433eea9.json",
        "locator": "#/observations/jpeg",
        "excerpt": "NAVONAVO site-owned local FFmpeg8.1.2 image execution, exact binary and input/output SHA recorded in this report. ActualJPEG input1200x800; jpeg output1200x630: 122351B passes original307200B ceiling. JPEG and PNG outcomes are separate. General fees/region/retention, other environments and independent adoption remainunknown; this is not upstream endorsement or trusted_scenario.",
        "source_version": "8.1.2-win64-sha256:ad8f211bc894755e0061c55ab280ae00e8d3d4f15a8cc4372b24cfa247b5942e",
        "content_sha256": "9632145cb433eea9a118851b6010599864528ef4a22886a5e9e029e8cc379c53",
        "collected_at": "2026-11-04T14:59:27.309034\u002B00:00",
        "profile_ids": [
          "ffmpeg-812-owned-image-jpeg"
        ],
        "covers": [
          {
            "key": "operation",
            "value": "image_delivery"
          },
          {
            "key": "invocation_mode",
            "value": "cli"
          },
          {
            "key": "input_format",
            "value": "jpeg"
          },
          {
            "key": "output_format",
            "value": "jpeg"
          },
          {
            "key": "execution_location",
            "value": "local"
          },
          {
            "key": "runtime_os",
            "value": "windows"
          },
          {
            "key": "setup_required",
            "value": "false"
          },
          {
            "key": "auth_required",
            "value": "false"
          }
        ],
        "execution": {
          "record_url": "https://navonavo.com/assets/research-evidence/ffmpeg-owned-image-20261104-9632145cb433eea9.json",
          "input_category": "public_site_owned_screenshot_not_synthetic",
          "environment": "Windows; existing FFmpeg8.1.2 exact binary pin; RGB JPEG1200x800; owner self-use, not independent adoption",
          "result": "passed_for_exact_JPEG_task",
          "checks": [
            "Exact binary SHA and existing local installation",
            "Actual JPEG signature/full input decode, despite png filename",
            "Real FFmpeg8.1.2 output and independent Pillow full pixel decode",
            "1200x630,945x630 whole content,127/128 white padding,no enlargement",
            "JPEG122351B passes300KiB; PNG578285B fails300KiB; source SHA preserved"
          ]
        }
      }
    ]
  },
  "recipe_contracts": {
    "schema_version": "navonavo.recipe-contracts.v1",
    "card_version": 3,
    "recipes": [
      {
        "anchor": {
          "card_id": "cap-c53a75c06263db7a03a34441",
          "card_version": 3,
          "profile_id": "ffmpeg-812-owned-image-jpeg",
          "component_version": "8.1.2-win64-sha256:ad8f211bc894755e0061c55ab280ae00e8d3d4f15a8cc4372b24cfa247b5942e",
          "recipe_id": "ffmpeg-812-owned-image-jpeg-contain1200x630",
          "recipe_revision": 1
        },
        "steps": [
          {
            "step_id": "convert",
            "reference": {
              "card_id": "cap-c53a75c06263db7a03a34441",
              "card_version": 3,
              "profile_id": "ffmpeg-812-owned-image-jpeg",
              "component_version": "8.1.2-win64-sha256:ad8f211bc894755e0061c55ab280ae00e8d3d4f15a8cc4372b24cfa247b5942e",
              "recipe_id": "ffmpeg-812-owned-image-jpeg-contain1200x630",
              "recipe_revision": 1
            },
            "invocation": {
              "mode": "cli",
              "entry": "ffmpeg",
              "method": null,
              "caller_tools": [
                "local_process"
              ],
              "installation_required": false,
              "authentication": "none",
              "regions": null,
              "execution_location": "local",
              "recipient": "self",
              "upload_required": false,
              "retains_data": null,
              "accepts_private_data": null,
              "cost": {
                "maximum_minor": null,
                "currency": null,
                "basis": null
              }
            },
            "input": {
              "format": "jpeg",
              "schema_id": "navonavo.local-image-bytes.v1",
              "semantics": "owned-screenshot-sha256:e2923b1662fdf1b3c577d19f4a6b1ee57f6b41a6f4b45c44b2ebc9e3d2e8b97c",
              "version": "1",
              "encoding": "binary",
              "maximum_bytes": 99659,
              "fields_complete": true,
              "allow_additional_fields": false,
              "fields": [],
              "image": {
                "width": 1200,
                "height": 800,
                "fit": null,
                "crop_anchor": null,
                "padding_color": null,
                "allow_upscale": null,
                "transparency": "opaque",
                "color_space": "preserve",
                "orientation": "preserve"
              }
            },
            "output": {
              "format": "jpeg",
              "schema_id": "navonavo.local-image-bytes.v1",
              "semantics": "same-owned-screenshot-full-frame-contain",
              "version": "1",
              "encoding": "binary",
              "maximum_bytes": 122351,
              "fields_complete": true,
              "allow_additional_fields": false,
              "fields": [],
              "image": {
                "width": 1200,
                "height": 630,
                "fit": "contain",
                "crop_anchor": null,
                "padding_color": "#FFFFFF",
                "allow_upscale": false,
                "transparency": "opaque",
                "color_space": "preserve",
                "orientation": "preserve"
              }
            },
            "retrieval": {
              "mode": "file",
              "locator": "client_owned_output"
            },
            "success_checks": [
              {
                "kind": "output_schema",
                "expected": "Fully decode jpeg1200x630; enforce307200B and756000pixels"
              },
              {
                "kind": "output_contains",
                "expected": "Compare full source/padding/no-upscale, bind source SHA and exact binary; first query then choose, no implicit retry"
              },
              {
                "kind": "exit_code",
                "expected": "0 is necessary but not sufficient; independently check every actual output"
              }
            ],
            "alternatives": [
              {
                "mode": "return_unknown",
                "reason_code": "input_binary_or_policy_unverified",
                "reference": null
              }
            ],
            "evidence_refs": [
              "ffmpeg-812-owned-image-jpeg-onsite"
            ]
          }
        ],
        "links": [],
        "policy": {
          "data_class": "public",
          "local_only": true,
          "allow_upload": false,
          "allow_retention": false,
          "allowed_recipients": [
            "self"
          ],
          "region": null,
          "available_tools": [
            "local_process"
          ],
          "authorization_kinds": [],
          "allow_installation": false,
          "maximum_cost_minor": null,
          "currency": null
        }
      }
    ]
  },
  "version_read_basis": "archived_revision",
  "deep_read": {
    "schema_version": "navonavo.capability-read.v1",
    "card_id": "cap-c53a75c06263db7a03a34441",
    "card_version": 3,
    "selected_profile_id": "ffmpeg-812-owned-image-jpeg",
    "state": "documented",
    "review_state": "current",
    "read_url": "https://navonavo.com/api/v1/capabilities/cap-c53a75c06263db7a03a34441?version=3\u0026profile_id=ffmpeg-812-owned-image-jpeg",
    "page_url": "https://navonavo.com/capabilities/cap-c53a75c06263db7a03a34441?version=3\u0026profile_id=ffmpeg-812-owned-image-jpeg",
    "profiles": [
      {
        "profile_id": "ffmpeg-812-owned-image-jpeg",
        "component_version": "8.1.2-win64-sha256:ad8f211bc894755e0061c55ab280ae00e8d3d4f15a8cc4372b24cfa247b5942e",
        "summary": "Image delivery: Exact site-owned JPEG screenshot conversion on existing Windows FFmpeg8.1.2 binary; JPEG output passed307200B. Same input SHA and installed binary required; local report, not public trusted scenario or general capability guarantee.",
        "conditions": [
          {
            "key": "operation",
            "value": "image_delivery",
            "state": "T",
            "reason": "Supported within this profile and component version.",
            "evidence_refs": [
              "ffmpeg-812-owned-image-jpeg-onsite"
            ]
          },
          {
            "key": "invocation_mode",
            "value": "cli",
            "state": "T",
            "reason": "Supported within this profile and component version.",
            "evidence_refs": [
              "ffmpeg-812-owned-image-jpeg-onsite"
            ]
          },
          {
            "key": "input_format",
            "value": "jpeg",
            "state": "T",
            "reason": "Supported within this profile and component version.",
            "evidence_refs": [
              "ffmpeg-812-owned-image-jpeg-onsite"
            ]
          },
          {
            "key": "output_format",
            "value": "jpeg",
            "state": "T",
            "reason": "Supported within this profile and component version.",
            "evidence_refs": [
              "ffmpeg-812-owned-image-jpeg-onsite"
            ]
          },
          {
            "key": "execution_location",
            "value": "local",
            "state": "T",
            "reason": "Supported within this profile and component version.",
            "evidence_refs": [
              "ffmpeg-812-owned-image-jpeg-onsite"
            ]
          },
          {
            "key": "runtime_os",
            "value": "windows",
            "state": "T",
            "reason": "Supported within this profile and component version.",
            "evidence_refs": [
              "ffmpeg-812-owned-image-jpeg-onsite"
            ]
          },
          {
            "key": "setup_required",
            "value": "false",
            "state": "T",
            "reason": "Supported within this profile and component version.",
            "evidence_refs": [
              "ffmpeg-812-owned-image-jpeg-onsite"
            ]
          },
          {
            "key": "auth_required",
            "value": "false",
            "state": "T",
            "reason": "Supported within this profile and component version.",
            "evidence_refs": [
              "ffmpeg-812-owned-image-jpeg-onsite"
            ]
          }
        ],
        "connection": {
          "entry": "ffmpeg",
          "protocol": "cli",
          "authentication": "none for exact local command",
          "environment": [
            "Already installed exact binary ad8f211bc894755e0061c55ab280ae00e8d3d4f15a8cc4372b24cfa247b5942e",
            "Only owned screenshot SHA e2923b1662fdf1b3c577d19f4a6b1ee57f6b41a6f4b45c44b2ebc9e3d2e8b97c",
            "No installation/upload/other input; enforce original output byte/pixel limits",
            "No new API fee observed; total cost remains unknown"
          ],
          "pricing_status": "unknown",
          "quota_status": "unknown"
        },
        "recipe": {
          "recipe_id": "ffmpeg-812-owned-image-jpeg-contain1200x630",
          "revision": 1,
          "required_capabilities": [
            "image_delivery"
          ],
          "preconditions": [
            "Existing authorized installation with exact binary SHA",
            "Input is actual JPEG1200x800/RGB with SHA e2923b1662fdf1b3c577d19f4a6b1ee57f6b41a6f4b45c44b2ebc9e3d2e8b97c",
            "Partial query gaps about cost/region/retention do not become verified; no installation or upload"
          ],
          "steps": [
            "Read actual byte signature and input SHA; preserve original",
            "ffmpeg -nostdin -hide_banner -loglevel error -n -protocol_whitelist file -i INPUT -vf scale=945:630:flags=lanczos,format=rgb24,pad=1200:630:127:0:white,setsar=1 -frames:v 1 -c:v mjpeg -pix_fmt yuvj444p -q:v 2 -threads 1 OUTPUT",
            "Decode actual output fully, check1200x630, media,307200B/756000pixel cap, full-frame/padding/no-upscale; on failure retain evidence and stop"
          ],
          "input_contract": "Exact owned source e2923b1662fdf1b3c577d19f4a6b1ee57f6b41a6f4b45c44b2ebc9e3d2e8b97c; source99659B JPEG even though png filename; no general input substitution",
          "output_contract": "jpeg1200x630 contain white; 122351B observed; within307200B. No broader size guarantee.",
          "validation": "Pillow full decode/pixel access and FFprobe; compare whole source and padding. Exit0 alone is insufficient. No ICC/EXIF/alpha generalization.",
          "failure_fallback": "Return unknown/conflict, keep original and failure. PNG budget conflict must not be retried automatically or constraints weakened."
        },
        "evidence": [
          {
            "evidence_id": "ffmpeg-812-owned-image-jpeg-onsite",
            "evidence_type": "navonavo_test",
            "source_url": "https://navonavo.com/assets/research-evidence/ffmpeg-owned-image-20261104-9632145cb433eea9.json",
            "locator": "#/observations/jpeg",
            "excerpt": "NAVONAVO site-owned local FFmpeg8.1.2 image execution, exact binary and input/output SHA recorded in this report. ActualJPEG input1200x800; jpeg output1200x630: 122351B passes original307200B ceiling. JPEG and PNG outcomes are separate. General fees/region/retention, other environments and independent adoption remainunknown; this is not upstream endorsement or trusted_scenario.",
            "source_version": "8.1.2-win64-sha256:ad8f211bc894755e0061c55ab280ae00e8d3d4f15a8cc4372b24cfa247b5942e",
            "content_sha256": "9632145cb433eea9a118851b6010599864528ef4a22886a5e9e029e8cc379c53",
            "collected_at": "2026-11-04T14:59:27.309034\u002B00:00",
            "profile_ids": [
              "ffmpeg-812-owned-image-jpeg"
            ],
            "covers": [
              {
                "key": "operation",
                "value": "image_delivery"
              },
              {
                "key": "invocation_mode",
                "value": "cli"
              },
              {
                "key": "input_format",
                "value": "jpeg"
              },
              {
                "key": "output_format",
                "value": "jpeg"
              },
              {
                "key": "execution_location",
                "value": "local"
              },
              {
                "key": "runtime_os",
                "value": "windows"
              },
              {
                "key": "setup_required",
                "value": "false"
              },
              {
                "key": "auth_required",
                "value": "false"
              }
            ],
            "execution": {
              "record_url": "https://navonavo.com/assets/research-evidence/ffmpeg-owned-image-20261104-9632145cb433eea9.json",
              "input_category": "public_site_owned_screenshot_not_synthetic",
              "environment": "Windows; existing FFmpeg8.1.2 exact binary pin; RGB JPEG1200x800; owner self-use, not independent adoption",
              "result": "passed_for_exact_JPEG_task",
              "checks": [
                "Exact binary SHA and existing local installation",
                "Actual JPEG signature/full input decode, despite png filename",
                "Real FFmpeg8.1.2 output and independent Pillow full pixel decode",
                "1200x630,945x630 whole content,127/128 white padding,no enlargement",
                "JPEG122351B passes300KiB; PNG578285B fails300KiB; source SHA preserved"
              ]
            }
          }
        ],
        "structured_recipe": {
          "contract": {
            "anchor": {
              "card_id": "cap-c53a75c06263db7a03a34441",
              "card_version": 3,
              "profile_id": "ffmpeg-812-owned-image-jpeg",
              "component_version": "8.1.2-win64-sha256:ad8f211bc894755e0061c55ab280ae00e8d3d4f15a8cc4372b24cfa247b5942e",
              "recipe_id": "ffmpeg-812-owned-image-jpeg-contain1200x630",
              "recipe_revision": 1
            },
            "steps": [
              {
                "step_id": "convert",
                "reference": {
                  "card_id": "cap-c53a75c06263db7a03a34441",
                  "card_version": 3,
                  "profile_id": "ffmpeg-812-owned-image-jpeg",
                  "component_version": "8.1.2-win64-sha256:ad8f211bc894755e0061c55ab280ae00e8d3d4f15a8cc4372b24cfa247b5942e",
                  "recipe_id": "ffmpeg-812-owned-image-jpeg-contain1200x630",
                  "recipe_revision": 1
                },
                "invocation": {
                  "mode": "cli",
                  "entry": "ffmpeg",
                  "method": null,
                  "caller_tools": [
                    "local_process"
                  ],
                  "installation_required": false,
                  "authentication": "none",
                  "regions": null,
                  "execution_location": "local",
                  "recipient": "self",
                  "upload_required": false,
                  "retains_data": null,
                  "accepts_private_data": null,
                  "cost": {
                    "maximum_minor": null,
                    "currency": null,
                    "basis": null
                  }
                },
                "input": {
                  "format": "jpeg",
                  "schema_id": "navonavo.local-image-bytes.v1",
                  "semantics": "owned-screenshot-sha256:e2923b1662fdf1b3c577d19f4a6b1ee57f6b41a6f4b45c44b2ebc9e3d2e8b97c",
                  "version": "1",
                  "encoding": "binary",
                  "maximum_bytes": 99659,
                  "fields_complete": true,
                  "allow_additional_fields": false,
                  "fields": [],
                  "image": {
                    "width": 1200,
                    "height": 800,
                    "fit": null,
                    "crop_anchor": null,
                    "padding_color": null,
                    "allow_upscale": null,
                    "transparency": "opaque",
                    "color_space": "preserve",
                    "orientation": "preserve"
                  }
                },
                "output": {
                  "format": "jpeg",
                  "schema_id": "navonavo.local-image-bytes.v1",
                  "semantics": "same-owned-screenshot-full-frame-contain",
                  "version": "1",
                  "encoding": "binary",
                  "maximum_bytes": 122351,
                  "fields_complete": true,
                  "allow_additional_fields": false,
                  "fields": [],
                  "image": {
                    "width": 1200,
                    "height": 630,
                    "fit": "contain",
                    "crop_anchor": null,
                    "padding_color": "#FFFFFF",
                    "allow_upscale": false,
                    "transparency": "opaque",
                    "color_space": "preserve",
                    "orientation": "preserve"
                  }
                },
                "retrieval": {
                  "mode": "file",
                  "locator": "client_owned_output"
                },
                "success_checks": [
                  {
                    "kind": "output_schema",
                    "expected": "Fully decode jpeg1200x630; enforce307200B and756000pixels"
                  },
                  {
                    "kind": "output_contains",
                    "expected": "Compare full source/padding/no-upscale, bind source SHA and exact binary; first query then choose, no implicit retry"
                  },
                  {
                    "kind": "exit_code",
                    "expected": "0 is necessary but not sufficient; independently check every actual output"
                  }
                ],
                "alternatives": [
                  {
                    "mode": "return_unknown",
                    "reason_code": "input_binary_or_policy_unverified",
                    "reference": null
                  }
                ],
                "evidence_refs": [
                  "ffmpeg-812-owned-image-jpeg-onsite"
                ]
              }
            ],
            "links": [],
            "policy": {
              "data_class": "public",
              "local_only": true,
              "allow_upload": false,
              "allow_retention": false,
              "allowed_recipients": [
                "self"
              ],
              "region": null,
              "available_tools": [
                "local_process"
              ],
              "authorization_kinds": [],
              "allow_installation": false,
              "maximum_cost_minor": null,
              "currency": null
            }
          },
          "assessment": {
            "state": "unknown",
            "execution_state": "not_executed_by_validator",
            "declared_maximum_cost_minor": null,
            "currency": null,
            "links": [],
            "gaps": [
              {
                "gap_id": "recipe-gap-c775125e857e909834487b49",
                "code": "region_unknown",
                "state": "unknown",
                "reference": {
                  "card_id": "cap-c53a75c06263db7a03a34441",
                  "card_version": 3,
                  "profile_id": "ffmpeg-812-owned-image-jpeg",
                  "component_version": "8.1.2-win64-sha256:ad8f211bc894755e0061c55ab280ae00e8d3d4f15a8cc4372b24cfa247b5942e",
                  "recipe_id": "ffmpeg-812-owned-image-jpeg-contain1200x630",
                  "recipe_revision": 1
                },
                "path": "steps.convert.invocation.regions"
              },
              {
                "gap_id": "recipe-gap-f30daf64634d72e53940f0f8",
                "code": "retention_unknown",
                "state": "unknown",
                "reference": {
                  "card_id": "cap-c53a75c06263db7a03a34441",
                  "card_version": 3,
                  "profile_id": "ffmpeg-812-owned-image-jpeg",
                  "component_version": "8.1.2-win64-sha256:ad8f211bc894755e0061c55ab280ae00e8d3d4f15a8cc4372b24cfa247b5942e",
                  "recipe_id": "ffmpeg-812-owned-image-jpeg-contain1200x630",
                  "recipe_revision": 1
                },
                "path": "steps.convert.invocation.retains_data"
              },
              {
                "gap_id": "recipe-gap-d28dac53a0a7faa8981716ce",
                "code": "cost_unknown",
                "state": "unknown",
                "reference": {
                  "card_id": "cap-c53a75c06263db7a03a34441",
                  "card_version": 3,
                  "profile_id": "ffmpeg-812-owned-image-jpeg",
                  "component_version": "8.1.2-win64-sha256:ad8f211bc894755e0061c55ab280ae00e8d3d4f15a8cc4372b24cfa247b5942e",
                  "recipe_id": "ffmpeg-812-owned-image-jpeg-contain1200x630",
                  "recipe_revision": 1
                },
                "path": "steps.convert.invocation.cost"
              },
              {
                "gap_id": "recipe-gap-1e9a79b64dd858e5048496d8",
                "code": "cost_limit_unknown",
                "state": "unknown",
                "reference": {
                  "card_id": "cap-c53a75c06263db7a03a34441",
                  "card_version": 3,
                  "profile_id": "ffmpeg-812-owned-image-jpeg",
                  "component_version": "8.1.2-win64-sha256:ad8f211bc894755e0061c55ab280ae00e8d3d4f15a8cc4372b24cfa247b5942e",
                  "recipe_id": "ffmpeg-812-owned-image-jpeg-contain1200x630",
                  "recipe_revision": 1
                },
                "path": "steps.convert.policy.maximum_cost_minor"
              }
            ]
          }
        }
      }
    ],
    "warnings": [
      "\u8D44\u6599\u4E0E\u6765\u6E90\u58F0\u660E\u4E0D\u7B49\u4E8E\u672C\u7AD9\u5B9E\u6D4B\uFF1B\u672A\u5217\u51FA\u7684\u6761\u4EF6\u4ECD\u672A\u77E5\u3002",
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    ]
  }
}