Files
quyun-v2/backend/app/jobs/media_process_job.go

88 lines
2.2 KiB
Go

package jobs
import (
"context"
"os/exec"
"path/filepath"
"time"
"quyun/v2/app/jobs/args"
"quyun/v2/database/models"
"quyun/v2/pkg/consts"
"quyun/v2/providers/storage"
"github.com/riverqueue/river"
log "github.com/sirupsen/logrus"
)
// @provider(job)
type MediaProcessWorker struct {
river.WorkerDefaults[args.MediaProcessArgs]
storage *storage.Storage
}
func (j *MediaProcessWorker) Work(ctx context.Context, job *river.Job[args.MediaProcessArgs]) error {
arg := job.Args
// 1. Fetch Asset
asset, err := models.MediaAssetQuery.WithContext(ctx).Where(models.MediaAssetQuery.ID.Eq(arg.AssetID)).First()
if err != nil {
return err
}
// 2. Update status to processing
_, err = models.MediaAssetQuery.WithContext(ctx).
Where(models.MediaAssetQuery.ID.Eq(asset.ID)).
UpdateSimple(models.MediaAssetQuery.Status.Value(consts.MediaAssetStatusProcessing))
if err != nil {
return err
}
// 3. Process Video (FFmpeg)
if asset.Type == consts.MediaAssetTypeVideo {
if _, err := exec.LookPath("ffmpeg"); err == nil {
localPath := j.storage.Config.LocalPath
if localPath == "" {
localPath = "./storage"
}
inputFile := filepath.Join(localPath, asset.ObjectKey)
outputDir := filepath.Dir(inputFile)
// Simple transcoding: convert to MP4 (mocking complex HLS for simplicity)
// Or just extract cover
coverKey := asset.ObjectKey + ".jpg"
coverFile := filepath.Join(outputDir, filepath.Base(coverKey))
// Generate Cover
cmd := exec.CommandContext(
ctx,
"ffmpeg",
"-y",
"-i",
inputFile,
"-ss",
"00:00:01.000",
"-vframes",
"1",
coverFile,
)
if out, err := cmd.CombinedOutput(); err != nil {
log.Errorf("ffmpeg failed: %s, output: %s", err, string(out))
// Don't fail the job, just skip cover
} else {
log.Infof("Generated cover: %s", coverFile)
// TODO: Create MediaAsset for cover? Or update meta?
}
} else {
log.Warn("ffmpeg not found, skipping real transcoding")
}
}
// 4. Update status to ready
_, err = models.MediaAssetQuery.WithContext(ctx).
Where(models.MediaAssetQuery.ID.Eq(asset.ID)).
Updates(&models.MediaAsset{
Status: consts.MediaAssetStatusReady,
UpdatedAt: time.Now(),
})
return err
}