initial commit
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commit
6cd31fc715
2
.gitignore
vendored
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2
.gitignore
vendored
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.env
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*_test.go
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26
chapter.go
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26
chapter.go
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package mpvipc
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import (
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"encoding/json"
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"time"
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)
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type Chapter struct {
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Title string `json:"title"`
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Time time.Duration `json:"time"`
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}
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func (c *Chapter) UnmarshalJSON(data []byte) error {
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m := &struct {
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Title string `json:"title"`
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Time float64 `json:"time"`
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}{}
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if err := json.Unmarshal(data, m); err != nil {
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return err
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}
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c.Title = m.Title
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c.Time = time.Duration(m.Time * float64(time.Second))
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return nil
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}
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5
go.mod
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5
go.mod
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module git.milar.in/milarin/mpvipc
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go 1.21.5
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require git.milar.in/milarin/channel v0.1.1
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2
go.sum
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2
go.sum
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git.milar.in/milarin/channel v0.1.1 h1:s8+BdiOMmuRUDmChQ2i4G5GWsDCK9tKNHt1knLJx9zM=
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git.milar.in/milarin/channel v0.1.1/go.mod h1:We83LTI8S7u7II3pD+A2ChCDWJfCkcBUCUqii9HjTtM=
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133
props_get.go
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133
props_get.go
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package mpvipc
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import "time"
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// list of (almost) all properties can be found in official docs:
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// https://mpv.io/manual/master/#properties
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func IsFullscreen(socket string) (bool, error) {
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return GetProperty[bool](socket, "fullscreen")
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}
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func IsPaused(socket string) (bool, error) {
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return GetProperty[bool](socket, "pause")
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}
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func GetFilename(socket string) (string, error) {
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return GetProperty[string](socket, "filename")
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}
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func GetEstimatedFrameCount(socket string) (int, error) {
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return GetProperty[int](socket, "estimated-frame-count")
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}
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func GetEstimatedFrameNumber(socket string) (int, error) {
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return GetProperty[int](socket, "estimated-frame-number")
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}
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func GetPID(socket string) (int, error) {
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return GetProperty[int](socket, "pid")
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}
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func GetPath(socket string) (string, error) {
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return GetProperty[string](socket, "path")
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}
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func GetMediaTitle(socket string) (string, error) {
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return GetProperty[string](socket, "media-title")
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}
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func GetFileFormat(socket string) (string, error) {
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return GetProperty[string](socket, "file-format")
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}
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func GetDuration(socket string) (time.Duration, error) {
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durationInSeconds, err := GetProperty[float64](socket, "duration")
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if err != nil {
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return 0, err
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}
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return time.Duration(durationInSeconds * float64(time.Second)), nil
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}
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func GetPercentPos(socket string) (float64, error) {
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return GetProperty[float64](socket, "percent-pos")
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}
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func GetTimePos(socket string) (time.Duration, error) {
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durationInSeconds, err := GetProperty[float64](socket, "time-pos")
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if err != nil {
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return 0, err
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}
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return time.Duration(durationInSeconds * float64(time.Second)), nil
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}
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func GetTimeRemaining(socket string) (time.Duration, error) {
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durationInSeconds, err := GetProperty[float64](socket, "time-remaining")
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if err != nil {
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return 0, err
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}
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return time.Duration(durationInSeconds * float64(time.Second)), nil
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}
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func IsSeeking(socket string) (bool, error) {
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return GetProperty[bool](socket, "seeking")
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}
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func GetVideoFormat(socket string) (string, error) {
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return GetProperty[string](socket, "video-format")
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}
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func GetVideoSize(socket string) (int, int, error) {
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width, err := GetProperty[int](socket, "width")
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if err != nil {
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return 0, 0, err
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}
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height, err := GetProperty[int](socket, "height")
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if err != nil {
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return 0, 0, err
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}
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return width, height, nil
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}
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func GetVideoDisplaySize(socket string) (int, int, error) {
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width, err := GetProperty[int](socket, "dwidth")
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if err != nil {
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return 0, 0, err
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}
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height, err := GetProperty[int](socket, "dheight")
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if err != nil {
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return 0, 0, err
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}
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return width, height, nil
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}
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func GetWindowID(socket string) (int64, error) {
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return GetProperty[int64](socket, "window-id")
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}
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func GetChapterList(socket string) ([]Chapter, error) {
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return GetProperty[[]Chapter](socket, "chapter-list")
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}
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func IsSeekable(socket string) (bool, error) {
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return GetProperty[bool](socket, "seekable")
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}
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func IsPartiallySeekable(socket string) (bool, error) {
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return GetProperty[bool](socket, "partially-seekable")
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}
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func IsPlaybackAborted(socket string) (bool, error) {
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return GetProperty[bool](socket, "playback-abort")
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}
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func GetPropertyList(socket string) ([]string, error) {
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return GetProperty[[]string](socket, "property-list")
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}
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77
props_observe.go
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77
props_observe.go
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@ -0,0 +1,77 @@
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package mpvipc
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import (
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"context"
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"time"
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"git.milar.in/milarin/channel"
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)
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func ObserveFullscreen(ctx context.Context, socket string) (<-chan bool, error) {
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return ObserveProperty[bool](ctx, socket, "fullscreen")
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}
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func ObservePaused(ctx context.Context, socket string) (<-chan bool, error) {
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return ObserveProperty[bool](ctx, socket, "pause")
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}
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func ObserveFilename(ctx context.Context, socket string) (<-chan string, error) {
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return ObserveProperty[string](ctx, socket, "filename")
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}
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func ObservePath(ctx context.Context, socket string) (<-chan string, error) {
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return ObserveProperty[string](ctx, socket, "path")
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}
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func ObserveMediaTitle(ctx context.Context, socket string) (<-chan string, error) {
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return ObserveProperty[string](ctx, socket, "media-title")
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}
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func ObserveFileFormat(ctx context.Context, socket string) (<-chan string, error) {
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return ObserveProperty[string](ctx, socket, "file-format")
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}
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func ObserveDuration(ctx context.Context, socket string) (<-chan time.Duration, error) {
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out, err := ObserveProperty[float64](ctx, socket, "duration")
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if err != nil {
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return nil, err
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}
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return channel.MapSuccessive(out, func(v float64) time.Duration {
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return time.Duration(v * float64(time.Second))
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}), nil
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}
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func ObservePercentPos(ctx context.Context, socket string) (<-chan float64, error) {
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return ObserveProperty[float64](ctx, socket, "percent-pos")
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}
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func ObserveTimePos(ctx context.Context, socket string) (<-chan time.Duration, error) {
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out, err := ObserveProperty[float64](ctx, socket, "time-pos")
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if err != nil {
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return nil, err
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}
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return channel.MapSuccessive(out, func(v float64) time.Duration {
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return time.Duration(v * float64(time.Second))
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}), nil
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}
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func ObserveTimeRemaining(ctx context.Context, socket string) (<-chan time.Duration, error) {
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out, err := ObserveProperty[float64](ctx, socket, "time-remaining")
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if err != nil {
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return nil, err
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}
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return channel.MapSuccessive(out, func(v float64) time.Duration {
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return time.Duration(v * float64(time.Second))
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}), nil
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}
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func ObserveVideoFormat(ctx context.Context, socket string) (<-chan string, error) {
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return ObserveProperty[string](ctx, socket, "video-format")
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}
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func ObservePlaybackAborted(ctx context.Context, socket string) (<-chan bool, error) {
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return ObserveProperty[bool](ctx, socket, "playback-abort")
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}
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19
props_set.go
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19
props_set.go
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@ -0,0 +1,19 @@
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package mpvipc
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import "time"
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func SetFullscreen(socket string, fullscreen bool) error {
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return SetProperty[bool](socket, "fullscreen", fullscreen)
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}
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func SetPause(socket string, pause bool) error {
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return SetProperty[bool](socket, "pause", pause)
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}
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func SetTimePos(socket string, timePos time.Duration) error {
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return SetProperty[float64](socket, "time-pos", float64(timePos)/float64(time.Second))
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}
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func SetPercentPos(socket string, percentPos float64) error {
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return SetProperty[float64](socket, "percent-pos", percentPos)
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}
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121
send_command.go
Normal file
121
send_command.go
Normal file
@ -0,0 +1,121 @@
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package mpvipc
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import (
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"context"
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"encoding/json"
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"errors"
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"net"
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)
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type Command struct {
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Command []interface{} `json:"command"`
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}
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type Response[T any] struct {
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Data T `json:"data"`
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RequestID int `json:"request_id"`
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Error string `json:"error"`
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}
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type Event[T any] struct {
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Data T `json:"data"`
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ID int `json:"id"`
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Name string `json:"name"`
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Error string `json:"error"`
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}
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func SendCommand[T any](socket string, cmd *Command) (*Response[T], error) {
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conn, err := net.Dial("unix", socket)
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if err != nil {
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return nil, err
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}
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defer conn.Close()
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if err := json.NewEncoder(conn).Encode(cmd); err != nil {
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return nil, err
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}
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resp := &Response[T]{}
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if err := json.NewDecoder(conn).Decode(resp); err != nil {
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return nil, err
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}
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return resp, nil
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}
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func GetProperty[T any](socket string, propertyName string) (T, error) {
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cmd := &Command{[]interface{}{"get_property", propertyName}}
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resp, err := SendCommand[T](socket, cmd)
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if err != nil {
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return *new(T), err
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}
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if resp.Error != "success" {
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return *new(T), errors.New(resp.Error)
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}
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return resp.Data, nil
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}
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func SetProperty[T any](socket string, propertyName string, propertyValue T) error {
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cmd := &Command{[]interface{}{"set_property", propertyName, propertyValue}}
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resp, err := SendCommand[T](socket, cmd)
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if err != nil {
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return err
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}
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if resp.Error != "success" {
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return errors.New(resp.Error)
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}
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return nil
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}
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func ObserveProperty[T any](ctx context.Context, socket string, propertyName string) (<-chan T, error) {
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out := make(chan T, 10)
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conn, err := net.Dial("unix", socket)
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if err != nil {
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return nil, err
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}
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enc := json.NewEncoder(conn)
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dec := json.NewDecoder(conn)
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cmd := &Command{[]interface{}{"observe_property", 1, propertyName}}
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if err := enc.Encode(cmd); err != nil {
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conn.Close()
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return nil, err
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}
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resp := &Response[T]{}
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if err := json.NewDecoder(conn).Decode(resp); err != nil {
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conn.Close()
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return nil, err
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}
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if resp.Error != "success" {
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conn.Close()
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return nil, errors.New(resp.Error)
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}
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go func() {
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defer conn.Close()
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defer enc.Encode(&Command{[]interface{}{"unobserve_property", 0}})
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<-ctx.Done()
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}()
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go func() {
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defer close(out)
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for ctx.Err() == nil {
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event := Event[T]{}
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if err := dec.Decode(&event); err != nil {
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break
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}
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out <- event.Data
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}
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}()
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return out, nil
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}
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