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feat: extract and store fps/codec/resolution/duration_ms from source file

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Uses getMediaInfo (ffprobe) on the downloaded original before transcoding.
Populates the asset record so the library can display accurate metadata.
This commit is contained in:
Zac Gaetano 2026-05-18 23:22:56 -04:00
parent 817eaff8b1
commit 717fdcd611
1 changed files with 31 additions and 4 deletions
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35
services/worker/src/workers/proxy.js
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@ -4,7 +4,7 @@ import { tmpdir } from 'os';
import { Queue } from 'bullmq';
import { query } from '../db/client.js';
import { downloadFromS3, uploadToS3 } from '../s3/client.js';
import { transcodeVideo } from '../ffmpeg/executor.js';
import { transcodeVideo, getMediaInfo } from '../ffmpeg/executor.js';
const S3_BUCKET = process.env.S3_BUCKET || 'wild-dragon';
@ -31,6 +31,16 @@ export const proxyWorker = async (job) => {
console.log(`[proxy] Downloading ${inputKey} for asset ${assetId}`);
await downloadFromS3(S3_BUCKET, inputKey, inputPath);
// Extract source metadata (fps, codec, resolution, duration, size)
await job.updateProgress(20);
let mediaInfo = {};
try {
mediaInfo = await getMediaInfo(inputPath);
console.log(`[proxy] Metadata for ${assetId}: ${JSON.stringify(mediaInfo)}`);
} catch (err) {
console.warn(`[proxy] getMediaInfo failed for ${assetId}: ${err.message}`);
}
// Transcode to H.264 proxy
await job.updateProgress(30);
console.log(`[proxy] Transcoding asset ${assetId}`);
@ -47,11 +57,28 @@ export const proxyWorker = async (job) => {
console.log(`[proxy] Uploading to ${outputKey}`);
await uploadToS3(S3_BUCKET, outputKey, outputPath);
// Update asset record — proxy ready, status stays processing until thumbnail done
// Update asset record — store extracted metadata + proxy key
// Use COALESCE so we never overwrite fields the capture service already set
await job.updateProgress(90);
await query(
`UPDATE assets SET proxy_s3_key = $1, updated_at = NOW() WHERE id = $2`,
[outputKey, assetId]
`UPDATE assets
SET proxy_s3_key = $1,
fps = COALESCE($2, fps),
codec = COALESCE($3, codec),
resolution = COALESCE($4, resolution),
duration_ms = COALESCE($5, duration_ms),
file_size = COALESCE($6, file_size),
updated_at = NOW()
WHERE id = $7`,
[
outputKey,
mediaInfo.fps ?? null,
mediaInfo.codec ?? null,
mediaInfo.resolution ?? null,
mediaInfo.durationMs ?? null,
mediaInfo.fileSizeBytes ?? null,
assetId,
]
);
// Now proxy exists in S3 — safe to queue thumbnail generation