{
  "baseSha": "362ef9a88a18b7f692864409c35c15cc28d7a09e",
  "headSha": "610d36f98e2d8345155f9067bba88e2a268b8bc0",
  "environment": "Linux x86_64, Electron 44.10.1, Chromium 152.0.7977.169, Xvfb 1920x1080, DPR 1; fresh worktree T3 homes and separate Electron profiles; synthetic HTML only",
  "command": "ffmpeg -v error -xerror -i INPUT.mp4 -fps_mode passthrough -enc_time_base 1:1000000 -f null -",
  "note": "This FFmpeg build returns zero even when it prints H.264 decoding errors. Compare decoderOutput and visible corruption, not exit code alone. Head intentionally retains avc1 with fixed-size letterboxing.",
  "base": [
    {
      "file": "resize-decorated.mp4",
      "probe": {
        "programs": [],
        "streams": [
          {
            "codec_name": "h264",
            "codec_tag_string": "avc1",
            "width": 1280,
            "height": 800,
            "avg_frame_rate": "602500/20307"
          }
        ],
        "format": {
          "duration": "8.122300",
          "size": "274545"
        }
      },
      "decodeExit": 0,
      "decoderOutput": "[h264 @ 0x64277d1097c0] top block unavailable for requested intra mode\n[h264 @ 0x64277d1097c0] error while decoding MB 26 0\n[h264 @ 0x64277d1097c0] top block unavailable for requested intra mode\n[h264 @ 0x64277d1097c0] error while decoding MB 35 8\n[h264 @ 0x64277d033800] mb_type 7930 in P slice too large at 4 5\n[h264 @ 0x64277d033800] error while decoding MB 4 5\n[h264 @ 0x64277d033800] top block unavailable for requested intra mode\n[h264 @ 0x64277d033800] error while decoding MB 32 6\n[vist#0:0/h264 @ 0x64277d027a00] corrupt decoded frame\n[vist#0:0/h264 @ 0x64277d027a00] Error processing packet in decoder: Invalid data found when processing input\n[vist#0:0/h264 @ 0x64277d027a00] Decoder thread returned error: Invalid data found when processing input\n[h264 @ 0x64277d135b40] P sub_mb_type 32 out of range at 17 5\n[h264 @ 0x64277d135b40] error while decoding MB 17 5\n[h264 @ 0x64277d0a22c0] corrupted macroblock 58 4 (total_coeff=-1)\n[h264 @ 0x64277d0a22c0] error while decoding MB 58 4\n[h264 @ 0x64277d0a22c0] top block unavailable for requested intra mode\n[h264 @ 0x64277d0a22c0] error while decoding MB 15 7\n[h264 @ 0x64277d0b6300] cbp too large (90) at 58 4\n[h264 @ 0x64277d0b6300] error while decoding MB 58 4\n[h264 @ 0x64277d0b6300] top block unavailable for requested intra mode\n[h264 @ 0x64277d0b6300] error while decoding MB 15 7\n[h264 @ 0x64277d0ca4c0] P sub_mb_type 23 out of range at 60 4\n[h264 @ 0x64277d0ca4c0] error while decoding MB 60 4\n[h264 @ 0x64277d108640] out of range intra chroma pred mode\n[h264 @ 0x64277d108640] error while decoding MB 58 4\n[h264 @ 0x64277d0de680] mb_skip_run 8197 is invalid\n[h264 @ 0x64277d0de680] error while decoding MB 77 19\n[h264 @ 0x64277d0de680] cbp too large (127) at 51 7\n[h264 @ 0x64277d0de680] error while decoding MB 51 7\n[h264 @ 0x64277d111400] P sub_mb_type 4 out of range at 59 4\n[h264 @ 0x64277d111400] error while decoding MB 59 4\n[h264 @ 0x64277d111400] top block unavailable for requested intra mode\n[h264 @ 0x64277d111400] error while decoding MB 79 6\n"
    },
    {
      "file": "resize-plain.mp4",
      "probe": {
        "programs": [],
        "streams": [
          {
            "codec_name": "h264",
            "codec_tag_string": "avc1",
            "width": 1280,
            "height": 800,
            "avg_frame_rate": "206000/8041"
          }
        ],
        "format": {
          "duration": "8.071533",
          "size": "145520"
        }
      },
      "decodeExit": 0,
      "decoderOutput": "[h264 @ 0x59fcde3f5480] top block unavailable for requested intra mode\n[h264 @ 0x59fcde3f5480] error while decoding MB 26 0\n[h264 @ 0x59fcde3f5480] top block unavailable for requested intra mode\n[h264 @ 0x59fcde3f5480] error while decoding MB 35 8\n[vist#0:0/h264 @ 0x59fcde366740] corrupt decoded frame\n[vist#0:0/h264 @ 0x59fcde366740] Error processing packet in decoder: Invalid data found when processing input\n[h264 @ 0x59fcde409640] dquant out of range (-225) at 5 5\n[h264 @ 0x59fcde409640] error while decoding MB 5 5\n[vist#0:0/h264 @ 0x59fcde366740] Decoder thread returned error: Invalid data found when processing input\n[h264 @ 0x59fcde41d800] cbp too large (3199971767) at 3 5\n[h264 @ 0x59fcde41d800] error while decoding MB 3 5\n[h264 @ 0x59fcde41d800] top block unavailable for requested intra mode -1\n[h264 @ 0x59fcde41d800] error while decoding MB 45 6\n[h264 @ 0x59fcde4949c0] negative number of zero coeffs at 60 4\n[h264 @ 0x59fcde4949c0] error while decoding MB 60 4\n[h264 @ 0x59fcde4474c0] mb_type 55 in P slice too large at 31 49\n[h264 @ 0x59fcde4474c0] error while decoding MB 31 49\n[h264 @ 0x59fcde448640] P sub_mb_type 7 out of range at 62 4\n[h264 @ 0x59fcde448640] error while decoding MB 62 4\n[h264 @ 0x59fcde372a40] mb_type 6142 in P slice too large at 9 5\n[h264 @ 0x59fcde372a40] error while decoding MB 9 5\n[h264 @ 0x59fcde474c00] corrupted macroblock 59 4 (total_coeff=-1)\n[h264 @ 0x59fcde474c00] error while decoding MB 59 4\n[h264 @ 0x59fcde3e1380] cbp too large (68) at 64 4\n[h264 @ 0x59fcde3e1380] error while decoding MB 64 4\n[h264 @ 0x59fcde3e1380] top block unavailable for requested intra mode -1\n[h264 @ 0x59fcde3e1380] error while decoding MB 15 7\n"
    }
  ],
  "head": [
    {
      "file": "resize-decorated.mp4",
      "probe": {
        "programs": [],
        "streams": [
          {
            "codec_name": "h264",
            "codec_tag_string": "avc1",
            "width": 1280,
            "height": 800,
            "avg_frame_rate": "84000/2839"
          }
        ],
        "format": {
          "duration": "8.045067",
          "size": "278971"
        }
      },
      "decodeExit": 0,
      "decoderOutput": ""
    },
    {
      "file": "resize-plain.mp4",
      "probe": {
        "programs": [],
        "streams": [
          {
            "codec_name": "h264",
            "codec_tag_string": "avc1",
            "width": 1280,
            "height": 800,
            "avg_frame_rate": "910000/40627"
          }
        ],
        "format": {
          "duration": "8.126267",
          "size": "221933"
        }
      },
      "decodeExit": 0,
      "decoderOutput": ""
    }
  ]
}