stash/pkg/api/routes_scene.go

241 lines
7.0 KiB
Go

package api
import (
"context"
"io"
"net/http"
"strconv"
"strings"
"github.com/go-chi/chi"
"github.com/stashapp/stash/pkg/ffmpeg"
"github.com/stashapp/stash/pkg/logger"
"github.com/stashapp/stash/pkg/manager"
"github.com/stashapp/stash/pkg/manager/config"
"github.com/stashapp/stash/pkg/models"
"github.com/stashapp/stash/pkg/utils"
)
type sceneRoutes struct{}
func (rs sceneRoutes) Routes() chi.Router {
r := chi.NewRouter()
r.Route("/{sceneId}", func(r chi.Router) {
r.Use(SceneCtx)
r.Get("/stream", rs.Stream)
r.Get("/stream.mp4", rs.Stream)
r.Get("/screenshot", rs.Screenshot)
r.Get("/preview", rs.Preview)
r.Get("/webp", rs.Webp)
r.Get("/vtt/chapter", rs.ChapterVtt)
r.Get("/scene_marker/{sceneMarkerId}/stream", rs.SceneMarkerStream)
r.Get("/scene_marker/{sceneMarkerId}/preview", rs.SceneMarkerPreview)
})
r.With(SceneCtx).Get("/{sceneId}_thumbs.vtt", rs.VttThumbs)
r.With(SceneCtx).Get("/{sceneId}_sprite.jpg", rs.VttSprite)
return r
}
// region Handlers
func (rs sceneRoutes) Stream(w http.ResponseWriter, r *http.Request) {
scene := r.Context().Value(sceneKey).(*models.Scene)
// detect if not a streamable file and try to transcode it instead
filepath := manager.GetInstance().Paths.Scene.GetStreamPath(scene.Path, scene.Checksum)
videoCodec := scene.VideoCodec.String
hasTranscode, _ := manager.HasTranscode(scene)
if ffmpeg.IsValidCodec(videoCodec) || hasTranscode {
manager.RegisterStream(filepath, &w)
http.ServeFile(w, r, filepath)
manager.WaitAndDeregisterStream(filepath, &w, r)
return
}
// needs to be transcoded
videoFile, err := ffmpeg.NewVideoFile(manager.GetInstance().FFProbePath, scene.Path)
if err != nil {
logger.Errorf("[stream] error reading video file: %s", err.Error())
return
}
// start stream based on query param, if provided
r.ParseForm()
startTime := r.Form.Get("start")
encoder := ffmpeg.NewEncoder(manager.GetInstance().FFMPEGPath)
stream, process, err := encoder.StreamTranscode(*videoFile, startTime, config.GetMaxStreamingTranscodeSize())
if err != nil {
logger.Errorf("[stream] error transcoding video file: %s", err.Error())
return
}
w.WriteHeader(http.StatusOK)
w.Header().Set("Content-Type", "video/webm")
logger.Info("[stream] transcoding video file")
// handle if client closes the connection
notify := r.Context().Done()
go func() {
<-notify
logger.Info("[stream] client closed the connection. Killing stream process.")
process.Kill()
}()
_, err = io.Copy(w, stream)
if err != nil {
logger.Errorf("[stream] error serving transcoded video file: %s", err.Error())
}
}
func (rs sceneRoutes) Screenshot(w http.ResponseWriter, r *http.Request) {
scene := r.Context().Value(sceneKey).(*models.Scene)
filepath := manager.GetInstance().Paths.Scene.GetScreenshotPath(scene.Checksum)
http.ServeFile(w, r, filepath)
}
func (rs sceneRoutes) Preview(w http.ResponseWriter, r *http.Request) {
scene := r.Context().Value(sceneKey).(*models.Scene)
filepath := manager.GetInstance().Paths.Scene.GetStreamPreviewPath(scene.Checksum)
http.ServeFile(w, r, filepath)
}
func (rs sceneRoutes) Webp(w http.ResponseWriter, r *http.Request) {
scene := r.Context().Value(sceneKey).(*models.Scene)
filepath := manager.GetInstance().Paths.Scene.GetStreamPreviewImagePath(scene.Checksum)
http.ServeFile(w, r, filepath)
}
func getChapterVttTitle(marker *models.SceneMarker) string {
if marker.Title != "" {
return marker.Title
}
qb := models.NewTagQueryBuilder()
primaryTag, err := qb.Find(marker.PrimaryTagID, nil)
if err != nil {
// should not happen
panic(err)
}
ret := primaryTag.Name
tags, err := qb.FindBySceneMarkerID(marker.ID, nil)
if err != nil {
// should not happen
panic(err)
}
for _, t := range tags {
ret += ", " + t.Name
}
return ret
}
func (rs sceneRoutes) ChapterVtt(w http.ResponseWriter, r *http.Request) {
scene := r.Context().Value(sceneKey).(*models.Scene)
qb := models.NewSceneMarkerQueryBuilder()
sceneMarkers, err := qb.FindBySceneID(scene.ID, nil)
if err != nil {
panic("invalid scene markers for chapter vtt")
}
vttLines := []string{"WEBVTT", ""}
for i, marker := range sceneMarkers {
vttLines = append(vttLines, strconv.Itoa(i+1))
time := utils.GetVTTTime(marker.Seconds)
vttLines = append(vttLines, time+" --> "+time)
vttLines = append(vttLines, getChapterVttTitle(marker))
vttLines = append(vttLines, "")
}
vtt := strings.Join(vttLines, "\n")
w.Header().Set("Content-Type", "text/vtt")
_, _ = w.Write([]byte(vtt))
}
func (rs sceneRoutes) VttThumbs(w http.ResponseWriter, r *http.Request) {
scene := r.Context().Value(sceneKey).(*models.Scene)
w.Header().Set("Content-Type", "text/vtt")
filepath := manager.GetInstance().Paths.Scene.GetSpriteVttFilePath(scene.Checksum)
http.ServeFile(w, r, filepath)
}
func (rs sceneRoutes) VttSprite(w http.ResponseWriter, r *http.Request) {
scene := r.Context().Value(sceneKey).(*models.Scene)
w.Header().Set("Content-Type", "image/jpeg")
filepath := manager.GetInstance().Paths.Scene.GetSpriteImageFilePath(scene.Checksum)
http.ServeFile(w, r, filepath)
}
func (rs sceneRoutes) SceneMarkerStream(w http.ResponseWriter, r *http.Request) {
scene := r.Context().Value(sceneKey).(*models.Scene)
sceneMarkerID, _ := strconv.Atoi(chi.URLParam(r, "sceneMarkerId"))
qb := models.NewSceneMarkerQueryBuilder()
sceneMarker, err := qb.Find(sceneMarkerID)
if err != nil {
logger.Warn("Error when getting scene marker for stream")
http.Error(w, http.StatusText(404), 404)
return
}
filepath := manager.GetInstance().Paths.SceneMarkers.GetStreamPath(scene.Checksum, int(sceneMarker.Seconds))
http.ServeFile(w, r, filepath)
}
func (rs sceneRoutes) SceneMarkerPreview(w http.ResponseWriter, r *http.Request) {
scene := r.Context().Value(sceneKey).(*models.Scene)
sceneMarkerID, _ := strconv.Atoi(chi.URLParam(r, "sceneMarkerId"))
qb := models.NewSceneMarkerQueryBuilder()
sceneMarker, err := qb.Find(sceneMarkerID)
if err != nil {
logger.Warn("Error when getting scene marker for stream")
http.Error(w, http.StatusText(404), 404)
return
}
filepath := manager.GetInstance().Paths.SceneMarkers.GetStreamPreviewImagePath(scene.Checksum, int(sceneMarker.Seconds))
// If the image doesn't exist, send the placeholder
exists, _ := utils.FileExists(filepath)
if !exists {
w.Header().Set("Content-Type", "image/png")
w.Header().Set("Cache-Control", "no-store")
_, _ = w.Write(utils.PendingGenerateResource)
return
}
http.ServeFile(w, r, filepath)
}
// endregion
func SceneCtx(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
sceneIdentifierQueryParam := chi.URLParam(r, "sceneId")
sceneID, _ := strconv.Atoi(sceneIdentifierQueryParam)
var scene *models.Scene
var err error
qb := models.NewSceneQueryBuilder()
if sceneID == 0 {
scene, err = qb.FindByChecksum(sceneIdentifierQueryParam)
} else {
scene, err = qb.Find(sceneID)
}
if err != nil {
http.Error(w, http.StatusText(404), 404)
return
}
ctx := context.WithValue(r.Context(), sceneKey, scene)
next.ServeHTTP(w, r.WithContext(ctx))
})
}