node build fixed
This commit is contained in:
ra_ma
247
seanime-2.9.10/internal/mediastream/transcoder/transcoder.go
Normal file
247
seanime-2.9.10/internal/mediastream/transcoder/transcoder.go
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@@ -0,0 +1,247 @@
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package transcoder
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import (
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"fmt"
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"os"
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"path"
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"path/filepath"
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"seanime/internal/mediastream/videofile"
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"seanime/internal/util/result"
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"time"
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"github.com/rs/zerolog"
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)
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type (
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Transcoder struct {
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// All file streams currently running, index is file path
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streams *result.Map[string, *FileStream]
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clientChan chan ClientInfo
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tracker *Tracker
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logger *zerolog.Logger
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settings Settings
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}
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Settings struct {
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StreamDir string
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HwAccel HwAccelSettings
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FfmpegPath string
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FfprobePath string
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}
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NewTranscoderOptions struct {
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Logger *zerolog.Logger
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HwAccelKind string
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Preset string
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TempOutDir string
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FfmpegPath string
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FfprobePath string
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HwAccelCustomSettings string
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}
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)
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func NewTranscoder(opts *NewTranscoderOptions) (*Transcoder, error) {
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// Create a directory that'll hold the stream segments if it doesn't exist
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streamDir := filepath.Join(opts.TempOutDir, "streams")
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_ = os.MkdirAll(streamDir, 0755)
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// Clear the directory containing the streams
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dir, err := os.ReadDir(streamDir)
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if err != nil {
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return nil, err
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}
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for _, d := range dir {
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_ = os.RemoveAll(path.Join(streamDir, d.Name()))
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}
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ret := &Transcoder{
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streams: result.NewResultMap[string, *FileStream](),
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clientChan: make(chan ClientInfo, 1000),
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logger: opts.Logger,
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settings: Settings{
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StreamDir: streamDir,
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HwAccel: GetHardwareAccelSettings(HwAccelOptions{
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Kind: opts.HwAccelKind,
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Preset: opts.Preset,
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CustomSettings: opts.HwAccelCustomSettings,
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}),
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FfmpegPath: opts.FfmpegPath,
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FfprobePath: opts.FfprobePath,
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},
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}
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ret.tracker = NewTracker(ret)
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ret.logger.Info().Msg("transcoder: Initialized")
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return ret, nil
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}
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func (t *Transcoder) GetSettings() *Settings {
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return &t.settings
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}
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// Destroy stops all streams and removes the output directory.
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// A new transcoder should be created after calling this function.
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func (t *Transcoder) Destroy() {
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defer func() {
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if r := recover(); r != nil {
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}
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}()
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t.tracker.Stop()
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t.logger.Debug().Msg("transcoder: Destroying transcoder")
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for _, s := range t.streams.Values() {
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s.Destroy()
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}
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t.streams.Clear()
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//close(t.clientChan)
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t.streams = result.NewResultMap[string, *FileStream]()
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t.clientChan = make(chan ClientInfo, 10)
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t.logger.Debug().Msg("transcoder: Transcoder destroyed")
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}
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func (t *Transcoder) getFileStream(path string, hash string, mediaInfo *videofile.MediaInfo) (*FileStream, error) {
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if debugStream {
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start := time.Now()
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t.logger.Trace().Msgf("transcoder: Getting filestream")
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defer t.logger.Trace().Msgf("transcoder: Filestream retrieved in %.2fs", time.Since(start).Seconds())
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}
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ret, _ := t.streams.GetOrSet(path, func() (*FileStream, error) {
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return NewFileStream(path, hash, mediaInfo, &t.settings, t.logger), nil
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})
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if ret == nil {
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return nil, fmt.Errorf("could not get filestream, file may not exist")
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}
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ret.ready.Wait()
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if ret.err != nil {
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t.streams.Delete(path)
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return nil, ret.err
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}
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return ret, nil
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}
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func (t *Transcoder) GetMaster(path string, hash string, mediaInfo *videofile.MediaInfo, client string) (string, error) {
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if debugStream {
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start := time.Now()
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t.logger.Trace().Msgf("transcoder: Retrieving master file")
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defer t.logger.Trace().Msgf("transcoder: Master file retrieved in %.2fs", time.Since(start).Seconds())
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}
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stream, err := t.getFileStream(path, hash, mediaInfo)
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if err != nil {
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return "", err
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}
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t.clientChan <- ClientInfo{
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client: client,
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path: path,
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quality: nil,
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audio: -1,
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head: -1,
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}
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return stream.GetMaster(), nil
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}
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func (t *Transcoder) GetVideoIndex(
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path string,
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hash string,
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mediaInfo *videofile.MediaInfo,
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quality Quality,
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client string,
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) (string, error) {
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if debugStream {
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start := time.Now()
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t.logger.Trace().Msgf("transcoder: Retrieving video index file (%s)", quality)
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defer t.logger.Trace().Msgf("transcoder: Video index file retrieved in %.2fs", time.Since(start).Seconds())
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}
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stream, err := t.getFileStream(path, hash, mediaInfo)
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if err != nil {
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return "", err
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}
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t.clientChan <- ClientInfo{
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client: client,
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path: path,
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quality: &quality,
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audio: -1,
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head: -1,
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}
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return stream.GetVideoIndex(quality)
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}
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func (t *Transcoder) GetAudioIndex(
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path string,
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hash string,
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mediaInfo *videofile.MediaInfo,
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audio int32,
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client string,
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) (string, error) {
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if debugStream {
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start := time.Now()
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t.logger.Trace().Msgf("transcoder: Retrieving audio index file (%d)", audio)
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defer t.logger.Trace().Msgf("transcoder: Audio index file retrieved in %.2fs", time.Since(start).Seconds())
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}
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stream, err := t.getFileStream(path, hash, mediaInfo)
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if err != nil {
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return "", err
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}
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t.clientChan <- ClientInfo{
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client: client,
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path: path,
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audio: audio,
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head: -1,
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}
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return stream.GetAudioIndex(audio)
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}
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func (t *Transcoder) GetVideoSegment(
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path string,
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hash string,
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mediaInfo *videofile.MediaInfo,
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quality Quality,
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segment int32,
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client string,
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) (string, error) {
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if debugStream {
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start := time.Now()
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t.logger.Trace().Msgf("transcoder: Retrieving video segment %d (%s) [GetVideoSegment]", segment, quality)
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defer t.logger.Trace().Msgf("transcoder: Video segment retrieved in %.2fs", time.Since(start).Seconds())
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}
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stream, err := t.getFileStream(path, hash, mediaInfo)
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if err != nil {
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return "", err
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}
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//t.logger.Trace().Msgf("transcoder: Sending client info, segment %d (%s) [GetVideoSegment]", segment, quality)
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t.clientChan <- ClientInfo{
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client: client,
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path: path,
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quality: &quality,
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audio: -1,
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head: segment,
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}
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//t.logger.Trace().Msgf("transcoder: Getting video segment %d (%s) [GetVideoSegment]", segment, quality)
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return stream.GetVideoSegment(quality, segment)
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}
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func (t *Transcoder) GetAudioSegment(
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path string,
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hash string,
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mediaInfo *videofile.MediaInfo,
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audio int32,
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segment int32,
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client string,
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) (string, error) {
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if debugStream {
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start := time.Now()
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t.logger.Trace().Msgf("transcoder: Retrieving audio segment %d (%d)", segment, audio)
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defer t.logger.Trace().Msgf("transcoder: Audio segment %d (%d) retrieved in %.2fs", segment, audio, time.Since(start).Seconds())
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}
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stream, err := t.getFileStream(path, hash, mediaInfo)
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if err != nil {
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return "", err
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}
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t.clientChan <- ClientInfo{
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client: client,
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path: path,
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audio: audio,
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head: segment,
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}
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return stream.GetAudioSegment(audio, segment)
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}
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