Cloudreve/pkg/filemanager/driver/oss/media.go

360 lines
11 KiB
Go

package oss
import (
"context"
"encoding/json"
"encoding/xml"
"fmt"
"github.com/aliyun/aliyun-oss-go-sdk/oss"
"github.com/cloudreve/Cloudreve/v4/pkg/filemanager/driver"
"github.com/cloudreve/Cloudreve/v4/pkg/mediameta"
"github.com/cloudreve/Cloudreve/v4/pkg/request"
"github.com/samber/lo"
"math"
"net/http"
"strconv"
"strings"
"time"
)
const (
imageInfoProcess = "image/info"
videoInfoProcess = "video/info"
audioInfoProcess = "audio/info"
mediaInfoTTL = time.Duration(10) * time.Minute
)
var (
supportedImageExt = []string{"jpg", "jpeg", "png", "gif", "bmp", "webp", "tiff", "heic", "heif"}
supportedAudioExt = []string{"mp3", "wav", "flac", "aac", "m4a", "ogg", "wma", "ape", "alac", "amr", "opus"}
supportedVideoExt = []string{"mp4", "mkv", "avi", "mov", "flv", "wmv", "rmvb", "webm", "3gp", "mpg", "mpeg", "m4v", "ts", "m3u8", "vob", "f4v", "rm", "asf", "divx", "ogv", "dat", "mts", "m2ts", "swf", "avi", "3g2", "m2v", "m4p", "m4b", "m4r", "m4v", "m4a"}
)
type (
ImageProp struct {
Value string `json:"value"`
}
ImageInfo map[string]ImageProp
Error struct {
XMLName xml.Name `xml:"Error"`
Text string `xml:",chardata"`
Code string `xml:"Code"`
Message string `xml:"Message"`
RequestId string `xml:"RequestId"`
HostId string `xml:"HostId"`
EC string `xml:"EC"`
RecommendDoc string `xml:"RecommendDoc"`
}
StreamMediaInfo struct {
RequestID string `json:"RequestId"`
Language string `json:"Language"`
Title string `json:"Title"`
VideoStreams []VideoStream `json:"VideoStreams"`
AudioStreams []AudioStream `json:"AudioStreams"`
Subtitles []Subtitle `json:"Subtitles"`
StreamCount int64 `json:"StreamCount"`
ProgramCount int64 `json:"ProgramCount"`
FormatName string `json:"FormatName"`
FormatLongName string `json:"FormatLongName"`
Size int64 `json:"Size"`
StartTime float64 `json:"StartTime"`
Bitrate int64 `json:"Bitrate"`
Artist string `json:"Artist"`
AlbumArtist string `json:"AlbumArtist"`
Composer string `json:"Composer"`
Performer string `json:"Performer"`
Album string `json:"Album"`
Duration float64 `json:"Duration"`
ProduceTime string `json:"ProduceTime"`
LatLong string `json:"LatLong"`
VideoWidth int64 `json:"VideoWidth"`
VideoHeight int64 `json:"VideoHeight"`
Addresses []Address `json:"Addresses"`
}
Address struct {
Language string `json:"Language"`
AddressLine string `json:"AddressLine"`
Country string `json:"Country"`
Province string `json:"Province"`
City string `json:"City"`
District string `json:"District"`
Township string `json:"Township"`
}
AudioStream struct {
Index int `json:"Index"`
Language string `json:"Language"`
CodecName string `json:"CodecName"`
CodecLongName string `json:"CodecLongName"`
CodecTimeBase string `json:"CodecTimeBase"`
CodecTagString string `json:"CodecTagString"`
CodecTag string `json:"CodecTag"`
TimeBase string `json:"TimeBase"`
StartTime float64 `json:"StartTime"`
Duration float64 `json:"Duration"`
Bitrate int64 `json:"Bitrate"`
FrameCount int64 `json:"FrameCount"`
Lyric string `json:"Lyric"`
SampleFormat string `json:"SampleFormat"`
SampleRate int64 `json:"SampleRate"`
Channels int64 `json:"Channels"`
ChannelLayout string `json:"ChannelLayout"`
}
Subtitle struct {
Index int64 `json:"Index"`
Language string `json:"Language"`
CodecName string `json:"CodecName"`
CodecLongName string `json:"CodecLongName"`
CodecTagString string `json:"CodecTagString"`
CodecTag string `json:"CodecTag"`
StartTime float64 `json:"StartTime"`
Duration float64 `json:"Duration"`
Bitrate int64 `json:"Bitrate"`
Content string `json:"Content"`
Width int64 `json:"Width"`
Height int64 `json:"Height"`
}
VideoStream struct {
Index int `json:"Index"`
Language string `json:"Language"`
CodecName string `json:"CodecName"`
CodecLongName string `json:"CodecLongName"`
Profile string `json:"Profile"`
CodecTimeBase string `json:"CodecTimeBase"`
CodecTagString string `json:"CodecTagString"`
CodecTag string `json:"CodecTag"`
Width int `json:"Width"`
Height int `json:"Height"`
HasBFrames int `json:"HasBFrames"`
SampleAspectRatio string `json:"SampleAspectRatio"`
DisplayAspectRatio string `json:"DisplayAspectRatio"`
PixelFormat string `json:"PixelFormat"`
Level int `json:"Level"`
FrameRate string `json:"FrameRate"`
AverageFrameRate string `json:"AverageFrameRate"`
TimeBase string `json:"TimeBase"`
StartTime float64 `json:"StartTime"`
Duration float64 `json:"Duration"`
Bitrate int64 `json:"Bitrate"`
FrameCount int64 `json:"FrameCount"`
Rotate string `json:"Rotate"`
BitDepth int `json:"BitDepth"`
ColorSpace string `json:"ColorSpace"`
ColorRange string `json:"ColorRange"`
ColorTransfer string `json:"ColorTransfer"`
ColorPrimaries string `json:"ColorPrimaries"`
}
)
func (handler *Driver) extractIMMMeta(ctx context.Context, path, category string) ([]driver.MediaMeta, error) {
resp, err := handler.extractMediaInfo(ctx, path, category, true)
if err != nil {
return nil, err
}
var info StreamMediaInfo
if err := json.Unmarshal([]byte(resp), &info); err != nil {
return nil, fmt.Errorf("failed to unmarshal media info: %w", err)
}
streams := lo.Map(info.VideoStreams, func(stream VideoStream, index int) mediameta.Stream {
bitrate := ""
if stream.Bitrate != 0 {
bitrate = strconv.FormatInt(stream.Bitrate, 10)
}
return mediameta.Stream{
Index: stream.Index,
CodecName: stream.CodecName,
CodecLongName: stream.CodecLongName,
CodecType: "video",
Width: stream.Width,
Height: stream.Height,
Duration: strconv.FormatFloat(stream.Duration, 'f', -1, 64),
Bitrate: bitrate,
}
})
streams = append(streams, lo.Map(info.AudioStreams, func(stream AudioStream, index int) mediameta.Stream {
bitrate := ""
if stream.Bitrate != 0 {
bitrate = strconv.FormatInt(stream.Bitrate, 10)
}
return mediameta.Stream{
Index: stream.Index,
CodecName: stream.CodecName,
CodecLongName: stream.CodecLongName,
CodecType: "audio",
Duration: strconv.FormatFloat(stream.Duration, 'f', -1, 64),
Bitrate: bitrate,
}
})...)
metas := make([]driver.MediaMeta, 0)
metas = append(metas, mediameta.ProbeMetaTransform(&mediameta.FFProbeMeta{
Format: &mediameta.Format{
FormatName: info.FormatName,
FormatLongName: info.FormatLongName,
Duration: strconv.FormatFloat(info.Duration, 'f', -1, 64),
Bitrate: strconv.FormatInt(info.Bitrate, 10),
},
Streams: streams,
})...)
if info.Artist != "" {
metas = append(metas, driver.MediaMeta{
Key: mediameta.MusicArtist,
Value: info.Artist,
Type: driver.MediaTypeMusic,
})
}
if info.AlbumArtist != "" {
metas = append(metas, driver.MediaMeta{
Key: mediameta.MusicAlbumArtists,
Value: info.AlbumArtist,
Type: driver.MediaTypeMusic,
})
}
if info.Composer != "" {
metas = append(metas, driver.MediaMeta{
Key: mediameta.MusicComposer,
Value: info.Composer,
Type: driver.MediaTypeMusic,
})
}
if info.Album != "" {
metas = append(metas, driver.MediaMeta{
Key: mediameta.MusicAlbum,
Value: info.Album,
Type: driver.MediaTypeMusic,
})
}
return metas, nil
}
func (handler *Driver) extractImageMeta(ctx context.Context, path string) ([]driver.MediaMeta, error) {
resp, err := handler.extractMediaInfo(ctx, path, imageInfoProcess, false)
if err != nil {
return nil, err
}
var imageInfo ImageInfo
if err := json.Unmarshal([]byte(resp), &imageInfo); err != nil {
return nil, fmt.Errorf("failed to unmarshal media info: %w", err)
}
metas := make([]driver.MediaMeta, 0)
exifMap := lo.MapEntries(imageInfo, func(key string, value ImageProp) (string, string) {
return key, value.Value
})
metas = append(metas, mediameta.ExtractExifMap(exifMap, time.Time{})...)
metas = append(metas, parseGpsInfo(imageInfo)...)
for i := 0; i < len(metas); i++ {
metas[i].Type = driver.MetaTypeExif
}
return metas, nil
}
// extractMediaInfo Sends API calls to OSS IMM service to extract media info.
func (handler *Driver) extractMediaInfo(ctx context.Context, path string, category string, forceSign bool) (string, error) {
mediaOption := []oss.Option{oss.Process(category)}
mediaInfoExpire := time.Now().Add(mediaInfoTTL)
thumbURL, err := handler.signSourceURL(
ctx,
path,
&mediaInfoExpire,
mediaOption,
forceSign,
)
if err != nil {
return "", fmt.Errorf("failed to sign media info url: %w", err)
}
resp, err := handler.httpClient.
Request(http.MethodGet, thumbURL, nil, request.WithContext(ctx)).
CheckHTTPResponse(http.StatusOK).
GetResponseIgnoreErr()
if err != nil {
return "", handleOssError(resp, err)
}
return resp, nil
}
func parseGpsInfo(imageInfo ImageInfo) []driver.MediaMeta {
latitude := imageInfo["GPSLatitude"] // 31deg 16.26808'
longitude := imageInfo["GPSLongitude"] // 120deg 42.91039'
latRef := imageInfo["GPSLatitudeRef"] // North
lonRef := imageInfo["GPSLongitudeRef"] // East
// Make sure all value exist in map
if latitude.Value == "" || longitude.Value == "" || latRef.Value == "" || lonRef.Value == "" {
return nil
}
lat := parseRawGPS(latitude.Value, latRef.Value)
lon := parseRawGPS(longitude.Value, lonRef.Value)
if !math.IsNaN(lat) && !math.IsNaN(lon) {
lat, lng := mediameta.NormalizeGPS(lat, lon)
return []driver.MediaMeta{{
Key: mediameta.GpsLat,
Value: fmt.Sprintf("%f", lat),
}, {
Key: mediameta.GpsLng,
Value: fmt.Sprintf("%f", lng),
}}
}
return nil
}
func parseRawGPS(gpsStr string, ref string) float64 {
elem := strings.Split(gpsStr, " ")
if len(elem) < 1 {
return 0
}
var (
deg float64
minutes float64
seconds float64
)
deg, _ = strconv.ParseFloat(strings.TrimSuffix(elem[0], "deg"), 64)
if len(elem) >= 2 {
minutes, _ = strconv.ParseFloat(strings.TrimSuffix(elem[1], "'"), 64)
}
if len(elem) >= 3 {
seconds, _ = strconv.ParseFloat(strings.TrimSuffix(elem[2], "\""), 64)
}
decimal := deg + minutes/60.0 + seconds/3600.0
if ref == "South" || ref == "West" {
return -decimal
}
return decimal
}
func handleOssError(resp string, originErr error) error {
if resp == "" {
return originErr
}
var err Error
if err := xml.Unmarshal([]byte(resp), &err); err != nil {
return fmt.Errorf("failed to unmarshal oss error: %w", err)
}
return fmt.Errorf("oss error: %s", err.Message)
}