photoprism/internal/api/video.go

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3.8 KiB
Go
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package api
import (
"fmt"
"net/http"
"strings"
"github.com/gin-gonic/gin"
"github.com/photoprism/photoprism/internal/get"
"github.com/photoprism/photoprism/internal/photoprism"
"github.com/photoprism/photoprism/internal/query"
"github.com/photoprism/photoprism/pkg/clean"
"github.com/photoprism/photoprism/pkg/video"
)
// GetVideo streams videos.
//
// GET /api/v1/videos/:hash/:token/:type
//
// Parameters:
//
// hash: string The photo or video file hash as returned by the search API
// type: string Video format
func GetVideo(router *gin.RouterGroup) {
router.GET("/videos/:hash/:token/:format", func(c *gin.Context) {
if InvalidPreviewToken(c) {
c.Data(http.StatusForbidden, "image/svg+xml", brokenIconSvg)
return
}
fileHash := clean.Token(c.Param("hash"))
formatName := clean.Token(c.Param("format"))
format, ok := video.Types[formatName]
if !ok {
log.Errorf("video: invalid format %s", clean.Log(formatName))
c.Data(http.StatusOK, "image/svg+xml", videoIconSvg)
return
}
f, err := query.FileByHash(fileHash)
if err != nil {
log.Errorf("video: requested file not found (%s)", err)
c.Data(http.StatusOK, "image/svg+xml", videoIconSvg)
return
}
if !f.FileVideo {
f, err = query.VideoByPhotoUID(f.PhotoUID)
if err != nil {
log.Errorf("video: no playable file found (%s)", err)
c.Data(http.StatusOK, "image/svg+xml", videoIconSvg)
return
}
}
if f.FileError != "" {
log.Errorf("video: file has error %s", f.FileError)
c.Data(http.StatusOK, "image/svg+xml", videoIconSvg)
return
}
fileName := photoprism.FileName(f.FileRoot, f.FileName)
fileBitrate := f.Bitrate()
// File format supported by the client/browser?
supported := f.FileCodec != "" && f.FileCodec == string(format.Codec) || format.Codec == video.UnknownCodec && f.FileType == string(format.File)
// File bitrate too high (for streaming)?
conf := get.Config()
transcode := !supported || conf.FFmpegEnabled() && conf.FFmpegBitrateExceeded(fileBitrate)
if mf, err := photoprism.NewMediaFile(fileName); err != nil {
// Set missing flag so that the file doesn't show up in search results anymore.
logError("video", f.Update("FileMissing", true))
// Log error and default to 404.mp4
log.Errorf("video: file %s is missing", clean.Log(f.FileName))
fileName = get.Config().StaticFile("video/404.mp4")
AddContentTypeHeader(c, ContentTypeAvc)
} else if transcode {
if f.FileCodec != "" {
log.Debugf("video: %s is %s compressed and cannot be streamed directly, average bitrate %.1f MBit/s", clean.Log(f.FileName), clean.Log(strings.ToUpper(f.FileCodec)), fileBitrate)
} else {
log.Debugf("video: %s cannot be streamed directly, average bitrate %.1f MBit/s", clean.Log(f.FileName), fileBitrate)
}
conv := get.Convert()
if avcFile, err := conv.ToAvc(mf, get.Config().FFmpegEncoder(), false, false); err != nil {
// Log error and default to 404.mp4
log.Errorf("video: transcoding %s failed", clean.Log(f.FileName))
fileName = get.Config().StaticFile("video/404.mp4")
} else {
fileName = avcFile.FileName()
}
AddContentTypeHeader(c, ContentTypeAvc)
} else {
if f.FileCodec != "" && f.FileCodec != f.FileType {
log.Debugf("video: %s is %s compressed and requires no transcoding, average bitrate %.1f MBit/s", clean.Log(f.FileName), clean.Log(strings.ToUpper(f.FileCodec)), fileBitrate)
AddContentTypeHeader(c, fmt.Sprintf("%s; codecs=\"%s\"", f.FileMime, clean.Codec(f.FileCodec)))
} else {
log.Debugf("video: %s is streamed directly, average bitrate %.1f MBit/s", clean.Log(f.FileName), fileBitrate)
AddContentTypeHeader(c, f.FileMime)
}
}
if c.Query("download") != "" {
c.FileAttachment(fileName, f.DownloadName(DownloadName(c), 0))
} else {
c.File(fileName)
}
return
})
}