Add audio only download support

This commit is contained in:
Nonoo 2023-09-08 17:08:44 +02:00
parent d5b81a3b5a
commit 540ddc2bad
8 changed files with 91 additions and 34 deletions

View File

@ -89,7 +89,8 @@ cookie file.
## Supported commands
- `/dlp` - Download
- `/dlp` - Download given URL. If the first attribute is "mp3" then only the
audio stream will be downloaded and converted (if needed) to 320k MP3
- `/dlpcancel` - Cancel ongoing download
You don't need to enter the `/dlp` command if you send an URL to the bot using

View File

@ -40,6 +40,8 @@ type ffmpegProbeData struct {
}
type Converter struct {
Format string
VideoCodecs string
VideoConvertNeeded bool
SingleVideoStreamNeeded bool
@ -76,10 +78,19 @@ func (c *Converter) Probe(rr *ReReadCloser) error {
fmt.Println(" error parsing duration:", err)
}
compatibleVideoCodecsCopy := compatibleVideoCodecs
if c.Format == "mp3" {
compatibleVideoCodecsCopy = []string{}
}
compatibleAudioCodecsCopy := compatibleAudioCodecs
if c.Format == "mp3" {
compatibleAudioCodecsCopy = []string{"mp3"}
}
gotVideoStream := false
gotAudioStream := false
for _, stream := range pd.Streams {
if stream.CodecType == "video" {
if stream.CodecType == "video" && len(compatibleVideoCodecsCopy) > 0 {
if c.VideoCodecs != "" {
c.VideoCodecs += ", "
}
@ -107,7 +118,7 @@ func (c *Converter) Probe(rr *ReReadCloser) error {
fmt.Println(" got additional audio stream")
c.SingleAudioStreamNeeded = true
} else if !c.AudioConvertNeeded {
if !slices.Contains(compatibleAudioCodecs, stream.CodecName) {
if !slices.Contains(compatibleAudioCodecsCopy, stream.CodecName) {
fmt.Println(" found not compatible audio codec:", stream.CodecName)
c.AudioConvertNeeded = true
} else {
@ -118,7 +129,7 @@ func (c *Converter) Probe(rr *ReReadCloser) error {
}
}
if !gotVideoStream {
if len(compatibleVideoCodecsCopy) > 0 && !gotVideoStream {
return fmt.Errorf("no video stream found in file")
}
@ -181,33 +192,55 @@ func (c *Converter) GetActionsNeeded() string {
return strings.Join(convertNeeded, ", ")
}
func (c *Converter) ConvertIfNeeded(ctx context.Context, rr *ReReadCloser) (io.ReadCloser, error) {
func (c *Converter) ConvertIfNeeded(ctx context.Context, rr *ReReadCloser) (reader io.ReadCloser, outputFormat string, err error) {
reader, writer := io.Pipe()
var cmd *Cmd
fmt.Print(" converting ", c.GetActionsNeeded(), "...\n")
args := ffmpeg_go.KwArgs{"format": "mp4", "movflags": "frag_keyframe+empty_moov+faststart"}
videoNeeded := true
outputFormat = "mp4"
if c.Format == "mp3" {
videoNeeded = false
outputFormat = "mp3"
}
if c.VideoConvertNeeded {
args = ffmpeg_go.MergeKwArgs([]ffmpeg_go.KwArgs{args, {"c:v": "libx264", "crf": 30, "preset": "veryfast"}})
args := ffmpeg_go.KwArgs{"format": outputFormat}
if videoNeeded {
args = ffmpeg_go.MergeKwArgs([]ffmpeg_go.KwArgs{args, {"movflags": "frag_keyframe+empty_moov+faststart"}})
if c.VideoConvertNeeded {
args = ffmpeg_go.MergeKwArgs([]ffmpeg_go.KwArgs{args, {"c:v": "libx264", "crf": 30, "preset": "veryfast"}})
} else {
args = ffmpeg_go.MergeKwArgs([]ffmpeg_go.KwArgs{args, {"c:v": "copy"}})
}
} else {
args = ffmpeg_go.MergeKwArgs([]ffmpeg_go.KwArgs{args, {"c:v": "copy"}})
args = ffmpeg_go.MergeKwArgs([]ffmpeg_go.KwArgs{args, {"vn": ""}})
}
if c.AudioConvertNeeded {
args = ffmpeg_go.MergeKwArgs([]ffmpeg_go.KwArgs{args, {"c:a": "mp3", "q:a": 0}})
if c.Format == "mp3" {
args = ffmpeg_go.MergeKwArgs([]ffmpeg_go.KwArgs{args, {"c:a": "mp3", "b:a": "320k"}})
} else {
args = ffmpeg_go.MergeKwArgs([]ffmpeg_go.KwArgs{args, {"c:a": "mp3", "q:a": 0}})
}
} else {
args = ffmpeg_go.MergeKwArgs([]ffmpeg_go.KwArgs{args, {"c:a": "copy"}})
}
if c.SingleVideoStreamNeeded || c.SingleAudioStreamNeeded {
args = ffmpeg_go.MergeKwArgs([]ffmpeg_go.KwArgs{args, {"map": "0:v:0,0:a:0"}})
if videoNeeded {
if c.SingleVideoStreamNeeded || c.SingleAudioStreamNeeded {
args = ffmpeg_go.MergeKwArgs([]ffmpeg_go.KwArgs{args, {"map": "0:v:0,0:a:0"}})
}
} else {
if c.SingleAudioStreamNeeded {
args = ffmpeg_go.MergeKwArgs([]ffmpeg_go.KwArgs{args, {"map": "0:a:0"}})
}
}
ff := ffmpeg_go.Input("pipe:0").Output("pipe:1", args)
var err error
var progressSock net.Listener
if c.UpdateProgressPercentCallback != nil {
if c.Duration > 0 {
@ -239,8 +272,8 @@ func (c *Converter) ConvertIfNeeded(ctx context.Context, rr *ReReadCloser) (io.R
if err != nil {
writer.Close()
return nil, fmt.Errorf("error converting: %w", err)
return nil, outputFormat, fmt.Errorf("error converting: %w", err)
}
return reader, nil
return reader, outputFormat, nil
}

23
dl.go
View File

@ -26,7 +26,7 @@ func (l goYouTubeDLLogger) Print(v ...interface{}) {
fmt.Println(v...)
}
func (d *Downloader) downloadURL(dlCtx context.Context, url string) (rr *ReReadCloser, err error) {
func (d *Downloader) downloadURL(dlCtx context.Context, url string) (rr *ReReadCloser, title string, err error) {
result, err := goutubedl.New(dlCtx, url, goutubedl.Options{
Type: goutubedl.TypeSingle,
DebugLog: goYouTubeDLLogger{},
@ -35,39 +35,40 @@ func (d *Downloader) downloadURL(dlCtx context.Context, url string) (rr *ReReadC
SortingFormat: "res:720", // Prefer videos no larger than 720p to keep their size small.
})
if err != nil {
return nil, fmt.Errorf("preparing download %q: %w", url, err)
return nil, "", fmt.Errorf("preparing download %q: %w", url, err)
}
dlResult, err := result.Download(dlCtx, "")
if err != nil {
return nil, fmt.Errorf("downloading %q: %w", url, err)
return nil, "", fmt.Errorf("downloading %q: %w", url, err)
}
return NewReReadCloser(dlResult), nil
return NewReReadCloser(dlResult), result.Info.Title, nil
}
func (d *Downloader) DownloadAndConvertURL(ctx context.Context, url string) (r io.ReadCloser, err error) {
rr, err := d.downloadURL(ctx, url)
func (d *Downloader) DownloadAndConvertURL(ctx context.Context, url, format string) (r io.ReadCloser, outputFormat, title string, err error) {
rr, title, err := d.downloadURL(ctx, url)
if err != nil {
return nil, err
return nil, "", "", err
}
conv := Converter{
Format: format,
UpdateProgressPercentCallback: d.UpdateProgressPercentFunc,
}
if err := conv.Probe(rr); err != nil {
return nil, err
return nil, "", "", err
}
if d.ConvertStartFunc != nil {
d.ConvertStartFunc(ctx, conv.VideoCodecs, conv.AudioCodecs, conv.GetActionsNeeded())
}
r, err = conv.ConvertIfNeeded(ctx, rr)
r, outputFormat, err = conv.ConvertIfNeeded(ctx, rr)
if err != nil {
return nil, err
return nil, "", "", err
}
return r, nil
return r, outputFormat, title, nil
}

1
go.mod
View File

@ -4,6 +4,7 @@ go 1.20
require (
github.com/dustin/go-humanize v1.0.1
github.com/flytam/filenamify v1.2.0
github.com/google/go-github/v53 v53.2.0
github.com/gotd/td v0.84.0
github.com/u2takey/ffmpeg-go v0.5.0

2
go.sum
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@ -15,6 +15,8 @@ github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
github.com/disintegration/imaging v1.6.2/go.mod h1:44/5580QXChDfwIclfc/PCwrr44amcmDAg8hxG0Ewe4=
github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
github.com/flytam/filenamify v1.2.0 h1:7RiSqXYR4cJftDQ5NuvljKMfd/ubKnW/j9C6iekChgI=
github.com/flytam/filenamify v1.2.0/go.mod h1:Dzf9kVycwcsBlr2ATg6uxjqiFgKGH+5SKFuhdeP5zu8=
github.com/fortytw2/leaktest v1.3.0 h1:u8491cBMTQ8ft8aeV+adlcytMZylmA5nnwwkRZjI8vw=
github.com/fortytw2/leaktest v1.3.0/go.mod h1:jDsjWgpAGjm2CA7WthBh/CdZYEPF31XHquHwclZch5g=
github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=

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@ -22,6 +22,13 @@ var telegramUploader *uploader.Uploader
var telegramSender *message.Sender
func handleCmdDLP(ctx context.Context, entities tg.Entities, u *tg.UpdateNewMessage, msg *tg.Message) {
format := "video"
s := strings.Split(msg.Message, " ")
if len(s) >= 2 && s[0] == "mp3" {
msg.Message = strings.Join(s[1:], " ")
format = "mp3"
}
// Check if message is an URL.
validURI := true
uri, err := url.ParseRequestURI(msg.Message)
@ -39,7 +46,7 @@ func handleCmdDLP(ctx context.Context, entities tg.Entities, u *tg.UpdateNewMess
return
}
dlQueue.Add(ctx, entities, u, msg.Message)
dlQueue.Add(ctx, entities, u, msg.Message, format)
}
func handleCmdDLPCancel(ctx context.Context, entities tg.Entities, u *tg.UpdateNewMessage, msg *tg.Message) {

View File

@ -21,7 +21,8 @@ const maxProgressPercentUpdateInterval = time.Second
const progressBarLength = 10
type DownloadQueueEntry struct {
URL string
URL string
Format string
OrigEntities tg.Entities
OrigMsgUpdate *tg.UpdateNewMessage
@ -87,7 +88,7 @@ func (e *DownloadQueue) getQueuePositionString(pos int) string {
return "👨‍👦‍👦 Request queued at position #" + fmt.Sprint(pos)
}
func (q *DownloadQueue) Add(ctx context.Context, entities tg.Entities, u *tg.UpdateNewMessage, url string) {
func (q *DownloadQueue) Add(ctx context.Context, entities tg.Entities, u *tg.UpdateNewMessage, url, format string) {
q.mutex.Lock()
var replyStr string
@ -100,6 +101,7 @@ func (q *DownloadQueue) Add(ctx context.Context, entities tg.Entities, u *tg.Upd
newEntry := DownloadQueueEntry{
URL: url,
Format: format,
OrigEntities: entities,
OrigMsgUpdate: u,
OrigMsg: u.Message.(*tg.Message),
@ -200,7 +202,10 @@ func (q *DownloadQueue) processQueueEntry(ctx context.Context, qEntry *DownloadQ
if audioCodecs == "" {
q.currentlyDownloadedEntry.sourceCodecInfo += ", no audio"
} else {
q.currentlyDownloadedEntry.sourceCodecInfo += " / " + audioCodecs
if videoCodecs != "" {
q.currentlyDownloadedEntry.sourceCodecInfo += " / "
}
q.currentlyDownloadedEntry.sourceCodecInfo += audioCodecs
}
if convertActionsNeeded == "" {
q.currentlyDownloadedEntry.sourceCodecInfo += " (no conversion needed)"
@ -212,7 +217,7 @@ func (q *DownloadQueue) processQueueEntry(ctx context.Context, qEntry *DownloadQ
UpdateProgressPercentFunc: q.HandleProgressPercentUpdate,
}
r, err := downloader.DownloadAndConvertURL(qEntry.Ctx, qEntry.OrigMsg.Message)
r, outputFormat, title, err := downloader.DownloadAndConvertURL(qEntry.Ctx, qEntry.OrigMsg.Message, qEntry.Format)
if err != nil {
fmt.Println(" error downloading:", err)
q.currentlyDownloadedEntry.progressPercentUpdateMutex.Lock()
@ -228,7 +233,7 @@ func (q *DownloadQueue) processQueueEntry(ctx context.Context, qEntry *DownloadQ
q.updateProgress(ctx, qEntry, processStr, q.currentlyDownloadedEntry.lastProgressPercent)
q.currentlyDownloadedEntry.progressPercentUpdateMutex.Unlock()
err = dlUploader.UploadFile(qEntry.Ctx, qEntry.OrigEntities, qEntry.OrigMsgUpdate, r)
err = dlUploader.UploadFile(qEntry.Ctx, qEntry.OrigEntities, qEntry.OrigMsgUpdate, r, outputFormat, title)
if err != nil {
fmt.Println(" error processing:", err)
q.currentlyDownloadedEntry.progressPercentUpdateMutex.Lock()

View File

@ -8,6 +8,7 @@ import (
"math/big"
"github.com/dustin/go-humanize"
"github.com/flytam/filenamify"
"github.com/gotd/td/telegram/message"
"github.com/gotd/td/telegram/uploader"
"github.com/gotd/td/tg"
@ -22,7 +23,7 @@ func (p Uploader) Chunk(ctx context.Context, state uploader.ProgressState) error
return nil
}
func (p *Uploader) UploadFile(ctx context.Context, entities tg.Entities, u *tg.UpdateNewMessage, f io.ReadCloser) error {
func (p *Uploader) UploadFile(ctx context.Context, entities tg.Entities, u *tg.UpdateNewMessage, f io.ReadCloser, format, title string) error {
// Reading to a buffer first, because we don't know the file size.
var buf bytes.Buffer
for {
@ -49,7 +50,13 @@ func (p *Uploader) UploadFile(ctx context.Context, entities tg.Entities, u *tg.U
}
// Now we have uploaded file handle, sending it as styled message. First, preparing message.
document := message.UploadedDocument(upload).Video()
var document message.MediaOption
filename, _ := filenamify.Filenamify(title+"."+format, filenamify.Options{Replacement: " "})
if format == "mp3" {
document = message.UploadedDocument(upload).Filename(filename).Audio().Title(title)
} else {
document = message.UploadedDocument(upload).Filename(filename).Video()
}
// Sending message with media.
if _, err := telegramSender.Answer(entities, u).Media(ctx, document); err != nil {