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Add AudioFile cancellation #13

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Add AudioFile cancellation #13

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10 changes: 10 additions & 0 deletions src/librespot/player/audiofile.go
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,7 @@ type AudioFile struct {
cursor int
chunks map[int]bool
chunksLoading bool
cancelled bool
}

func newAudioFile(file *Spotify.AudioFile, player *Player) *AudioFile {
Expand Down Expand Up @@ -155,6 +156,11 @@ func (a *AudioFile) Seek(offset int64, whence int) (int64, error) {
return int64(a.cursor - a.headerOffset()), nil
}

// Cancels the current audio file - no further data will be downloaded
func (a *AudioFile) Cancel() {
a.cancelled = true
}

func (a *AudioFile) headerOffset() int {
// If the file format is an OGG, we skip the first kOggSkipBytes (167) bytes. We could implement despotify's
// SpotifyOggHeader (https://sourceforge.net/p/despotify/code/HEAD/tree/java/trunk/src/main/java/se/despotify/client/player/SpotifyOggHeader.java)
Expand Down Expand Up @@ -275,6 +281,10 @@ func (a *AudioFile) loadChunk(chunkIndex int) error {
}

func (a *AudioFile) loadNextChunk() {
if a.cancelled {
return
}

a.chunkLock.Lock()

if a.chunksLoading {
Expand Down