36fb1a07f7
* feat(backend): added worker pool for screenshot handler * feat(backend): added worker pool to canvas handler * feat(backend): added worker pool to canvas maker * feat(backend): added missing method to canvas-maker service
90 lines
2.3 KiB
Go
90 lines
2.3 KiB
Go
package video_maker
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import (
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"bytes"
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"fmt"
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"log"
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"openreplay/backend/pkg/pool"
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"os"
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"os/exec"
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"strconv"
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"strings"
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"time"
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config "openreplay/backend/internal/config/videostorage"
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"openreplay/backend/pkg/objectstorage"
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)
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type uploadTask struct {
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path string
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name string
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}
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type VideoStorage struct {
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cfg *config.Config
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objStorage objectstorage.ObjectStorage
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uploaderPool pool.WorkerPool
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}
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func New(cfg *config.Config, objStorage objectstorage.ObjectStorage) (*VideoStorage, error) {
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switch {
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case cfg == nil:
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return nil, fmt.Errorf("config is empty")
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case objStorage == nil:
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return nil, fmt.Errorf("object storage is empty")
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}
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s := &VideoStorage{
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cfg: cfg,
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objStorage: objStorage,
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}
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s.uploaderPool = pool.NewPool(4, 4, s.sendToS3)
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return s, nil
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}
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func (v *VideoStorage) Process(sessID uint64, filesPath, canvasMix string) error {
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name := strings.TrimSuffix(canvasMix, "-list")
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mixList := fmt.Sprintf("%s%s", filesPath, canvasMix)
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// check that mixList exists
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if _, err := os.ReadFile(mixList); err != nil {
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return err
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}
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videoPath := fmt.Sprintf("%s%s.mp4", filesPath, name)
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// Run ffmpeg to build video
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start := time.Now()
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sessionID := strconv.FormatUint(sessID, 10)
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cmd := exec.Command("ffmpeg", "-y", "-f", "concat", "-safe", "0", "-i", mixList, "-vf", "pad=ceil(iw/2)*2:ceil(ih/2)*2", "-vsync", "vfr",
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"-pix_fmt", "yuv420p", "-preset", "ultrafast", videoPath)
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var stdout, stderr bytes.Buffer
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cmd.Stdout = &stdout
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cmd.Stderr = &stderr
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err := cmd.Run()
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if err != nil {
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log.Printf("Failed to execute command: %v, stderr: %v", err, stderr.String())
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return err
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}
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log.Printf("made video replay in %v", time.Since(start))
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v.uploaderPool.Submit(&uploadTask{path: videoPath, name: sessionID + "/" + name + ".mp4"})
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return nil
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}
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func (v *VideoStorage) sendToS3(payload interface{}) {
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task := payload.(*uploadTask)
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start := time.Now()
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video, err := os.ReadFile(task.path)
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if err != nil {
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log.Fatalf("Failed to read video file: %v", err)
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}
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if err := v.objStorage.Upload(bytes.NewReader(video), task.name, "video/mp4", objectstorage.NoCompression); err != nil {
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log.Fatalf("Storage: start uploading replay failed. %s", err)
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}
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log.Printf("Viode file (size: %d) uploaded successfully in %v", len(video), time.Since(start))
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return
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}
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func (v *VideoStorage) Wait() {
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v.uploaderPool.Pause()
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}
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