diegosouzapw/OmniRoute · error

Video data URI contains invalid base64

Error message

Video data URI contains invalid base64

What it means

Error "Video data URI contains invalid base64" thrown in diegosouzapw/OmniRoute.

Source

Thrown at src/lib/guardrails/videoBridgeHelpers.ts:456

      ? Math.max(1, Math.floor(options.maxFrames))
      : kept.length;
  if (kept.length <= maxFrames) return { dropped, frames: kept };
  if (maxFrames === 1) return { dropped, frames: [kept[0]] };
  const capped = Array.from({ length: maxFrames }, (_unused, index) => {
    const sourceIndex = Math.round((index * (kept.length - 1)) / (maxFrames - 1));
    return kept[sourceIndex];
  });
  return { dropped, frames: capped };
}

function normalizeBase64(base64: string): string {
  const normalized = base64.replace(/\s/g, "");
  if (
    normalized.length === 0 ||
    normalized.length % 4 !== 0 ||
    !/^[A-Za-z0-9+/]*={0,2}$/.test(normalized)
  ) {
    throw new Error("Video data URI contains invalid base64");
  }
  return normalized;
}

function estimateNormalizedBase64Bytes(normalized: string): number {
  const padding = normalized.endsWith("==") ? 2 : normalized.endsWith("=") ? 1 : 0;
  return (normalized.length / 4) * 3 - padding;
}

export function estimateDecodedBase64Bytes(base64: string): number {
  return estimateNormalizedBase64Bytes(normalizeBase64(base64));
}

export function decodeVideoDataUri(
  ref: string,
  maxBytes = VIDEO_BRIDGE_INLINE_MAX_BYTES,
  decode: (base64: string) => Buffer = (base64) => Buffer.from(base64, "base64")
): Buffer | null {

View on GitHub (pinned to a179ffed5b)

When it happens

Trigger: Thrown at src/lib/guardrails/videoBridgeHelpers.ts:456 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of diegosouzapw/OmniRoute@a179ffed5b (2026-08-25). Data as JSON: /api/errors/971f37e1279d4d1f. Report an issue: GitHub.