视频保存

backend/go-service/app/meeting/service/meeting_recording_service.go

@@ -47,6 +47,7 @@ type MeetingRecordingService struct {
 
 	minioClient *minio.Client
 	minioCfg    *config.MinioConfig
+	meetingCfg  *config.MeetingConfig
 }
 
 // NewMeetingRecordingService Wire Provider
@@ -59,6 +60,7 @@ func NewMeetingRecordingService(
 	mediaOrchestrator MediaOrchestrator,
 	minioClient *minio.Client,
 	minioCfg *config.MinioConfig,
+	meetingCfg *config.MeetingConfig,
 ) *MeetingRecordingService {
 	return &MeetingRecordingService{
 		roomDAO:           roomDAO,
@@ -69,6 +71,7 @@ func NewMeetingRecordingService(
 		mediaOrchestrator: mediaOrchestrator,
 		minioClient:       minioClient,
 		minioCfg:          minioCfg,
+		meetingCfg:        meetingCfg,
 	}
 }
 
@@ -510,6 +513,11 @@ func (s *MeetingRecordingService) prepareUploadArtifact(ctx context.Context, web
 	if webmPath == "" {
 		return webmPath, ".webm", "video/webm", ""
 	}
+	if s.meetingCfg == nil || !s.meetingCfg.RecordingTranscodeEnabled {
+		logs.Info(ctx, funcName, "录制转码未启用，直接上传 webm",
+			zap.Int64("recording_id", recordingID), zap.String("webm_path", webmPath))
+		return webmPath, ".webm", "video/webm", ""
+	}
 
 	mp4Path, err := s.transcodeWebmToMp4(ctx, webmPath)
 	if err != nil {
@@ -535,16 +543,26 @@ func (s *MeetingRecordingService) prepareUploadArtifact(ctx context.Context, web
 //   - -movflags +faststart：moov 前置，HTTP Range 即点即播
 //   - -y：覆盖目标文件，避免重复 stop 时 EEXIST
 func (s *MeetingRecordingService) transcodeWebmToMp4(ctx context.Context, webmPath string) (string, error) {
-	if _, err := exec.LookPath("ffmpeg"); err != nil {
+	ffmpegPath := "ffmpeg"
+	timeoutSec := 600
+	if s.meetingCfg != nil {
+		if strings.TrimSpace(s.meetingCfg.RecordingTranscodeFFmpegPath) != "" {
+			ffmpegPath = strings.TrimSpace(s.meetingCfg.RecordingTranscodeFFmpegPath)
+		}
+		if s.meetingCfg.RecordingTranscodeTimeoutSecond > 0 {
+			timeoutSec = s.meetingCfg.RecordingTranscodeTimeoutSecond
+		}
+	}
+	if _, err := exec.LookPath(ffmpegPath); err != nil {
 		return "", fmt.Errorf("ffmpeg 未安装或不在 PATH: %w", err)
 	}
 	mp4Path := strings.TrimSuffix(webmPath, filepath.Ext(webmPath)) + ".mp4"
 
 	// 转码上限：单文件最长容忍 10 分钟 CPU 时间，超时则视为失败回退
-	tctx, cancel := context.WithTimeout(ctx, 10*time.Minute)
+	tctx, cancel := context.WithTimeout(ctx, time.Duration(timeoutSec)*time.Second)
 	defer cancel()
 
-	cmd := exec.CommandContext(tctx, "ffmpeg",
+	cmd := exec.CommandContext(tctx, ffmpegPath,
 		"-y",
 		"-i", webmPath,
 		"-c:v", "libx264", "-preset", "veryfast", "-crf", "23",