mirror of https://github.com/stashapp/stash.git
101 lines
2.6 KiB
Go
101 lines
2.6 KiB
Go
package manager
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import (
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"net/http"
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"sync"
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"github.com/stashapp/stash/pkg/ffmpeg"
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"github.com/stashapp/stash/pkg/logger"
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"github.com/stashapp/stash/pkg/manager/config"
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"github.com/stashapp/stash/pkg/models"
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"github.com/stashapp/stash/pkg/utils"
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)
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var (
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streamingFiles = make(map[string][]*http.ResponseWriter)
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streamingFilesMutex = sync.RWMutex{}
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)
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func RegisterStream(filepath string, w *http.ResponseWriter) {
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streamingFilesMutex.Lock()
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streams := streamingFiles[filepath]
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streamingFiles[filepath] = append(streams, w)
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streamingFilesMutex.Unlock()
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}
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func deregisterStream(filepath string, w *http.ResponseWriter) {
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streamingFilesMutex.Lock()
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defer streamingFilesMutex.Unlock()
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streams := streamingFiles[filepath]
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for i, v := range streams {
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if v == w {
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streamingFiles[filepath] = append(streams[:i], streams[i+1:]...)
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return
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}
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}
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}
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func WaitAndDeregisterStream(filepath string, w *http.ResponseWriter, r *http.Request) {
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notify := r.Context().Done()
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go func() {
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<-notify
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deregisterStream(filepath, w)
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}()
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}
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func KillRunningStreams(path string) {
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ffmpeg.KillRunningEncoders(path)
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streamingFilesMutex.RLock()
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streams := streamingFiles[path]
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streamingFilesMutex.RUnlock()
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for _, w := range streams {
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hj, ok := (*w).(http.Hijacker)
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if !ok {
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// if we can't close the connection can't really do anything else
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logger.Warnf("cannot close running stream for: %s", path)
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return
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}
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// hijack and close the connection
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conn, _, err := hj.Hijack()
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if err != nil {
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logger.Errorf("cannot close running stream for '%s' due to error: %s", path, err.Error())
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} else {
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conn.Close()
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}
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}
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}
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type SceneServer struct {
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TXNManager models.TransactionManager
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}
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func (s *SceneServer) StreamSceneDirect(scene *models.Scene, w http.ResponseWriter, r *http.Request) {
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fileNamingAlgo := config.GetInstance().GetVideoFileNamingAlgorithm()
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filepath := GetInstance().Paths.Scene.GetStreamPath(scene.Path, scene.GetHash(fileNamingAlgo))
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RegisterStream(filepath, &w)
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http.ServeFile(w, r, filepath)
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WaitAndDeregisterStream(filepath, &w, r)
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}
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func (s *SceneServer) ServeScreenshot(scene *models.Scene, w http.ResponseWriter, r *http.Request) {
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filepath := GetInstance().Paths.Scene.GetScreenshotPath(scene.GetHash(config.GetInstance().GetVideoFileNamingAlgorithm()))
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// fall back to the scene image blob if the file isn't present
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screenshotExists, _ := utils.FileExists(filepath)
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if screenshotExists {
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http.ServeFile(w, r, filepath)
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} else {
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var cover []byte
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s.TXNManager.WithReadTxn(r.Context(), func(repo models.ReaderRepository) error {
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cover, _ = repo.Scene().GetCover(scene.ID)
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return nil
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})
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utils.ServeImage(cover, w, r)
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}
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}
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