/
vlc.go
149 lines (129 loc) · 3.19 KB
/
vlc.go
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package libvlc
import (
"fmt"
"runtime"
"github.com/ying32/govcl/vcl/types"
)
type TVLCMediaPlayer struct {
vlcInstance plibvlc_instance_t
mediaPlayerInstance plibvlc_media_player_t
}
func NewVLCMediaPlayer(args ...string) *TVLCMediaPlayer {
v := new(TVLCMediaPlayer)
v.vlcInstance = libvlc_new(args...)
if !v.VLCValid() {
return nil
}
v.mediaPlayerInstance = libvlc_media_player_new(v.vlcInstance)
if !v.MediaPlayerValid() {
return nil
}
return v
}
func (v *TVLCMediaPlayer) Free() {
v.Stop()
if v.MediaPlayerValid() {
libvlc_media_player_release(v.mediaPlayerInstance)
}
if v.VLCValid() {
libvlc_release(v.vlcInstance)
}
}
func (v *TVLCMediaPlayer) VLCValid() bool {
return v.vlcInstance != 0
}
func (v *TVLCMediaPlayer) MediaPlayerValid() bool {
return v.mediaPlayerInstance != 0
}
func (v *TVLCMediaPlayer) Playing() bool {
if !v.MediaPlayerValid() {
return false
}
return toGoBool(libvlc_media_player_is_playing(v.mediaPlayerInstance))
}
func (v *TVLCMediaPlayer) Play() {
if !v.MediaPlayerValid() {
return
}
libvlc_media_player_play(v.mediaPlayerInstance)
}
func (v *TVLCMediaPlayer) Pause() {
if !v.MediaPlayerValid() {
return
}
libvlc_media_player_pause(v.mediaPlayerInstance)
}
func (v *TVLCMediaPlayer) Stop() {
if !v.MediaPlayerValid() {
return
}
libvlc_media_player_stop(v.mediaPlayerInstance)
}
func (v *TVLCMediaPlayer) SethWnd(parenthWnd types.HWND) {
if !v.MediaPlayerValid() {
return
}
switch runtime.GOOS {
case "windows":
libvlc_media_player_set_hwnd(v.mediaPlayerInstance, parenthWnd)
case "linux":
libvlc_media_player_set_xwindow(v.mediaPlayerInstance, uint32(parenthWnd))
case "darwin":
libvlc_media_player_set_nsobject(v.mediaPlayerInstance, parenthWnd)
}
}
func (v *TVLCMediaPlayer) LoadFromFile(aFileName string) {
media := libvlc_media_new_path(v.vlcInstance, aFileName)
if media != 0 {
defer libvlc_media_release(media)
libvlc_media_player_set_media(v.mediaPlayerInstance, media)
}
}
func (v *TVLCMediaPlayer) LoadFromURL(aURL string) {
media := libvlc_media_new_location(v.vlcInstance, aURL)
if media != 0 {
defer libvlc_media_release(media)
libvlc_media_player_set_media(v.mediaPlayerInstance, media)
}
}
func (v *TVLCMediaPlayer) MediaTime() int64 {
if !v.MediaPlayerValid() {
return 0
}
return int64(libvlc_media_player_get_time(v.mediaPlayerInstance))
}
func (v *TVLCMediaPlayer) MediaTimeString() string {
l := v.MediaTime()
if l == 0 {
return "00:00:00"
}
l = l / 1000
return fmt.Sprintf("%.2d:%.2d:%.2d", l/3600, (l%3600)/60, l%60)
}
func (v *TVLCMediaPlayer) MediaLength() int64 {
if !v.MediaPlayerValid() {
return 0
}
return int64(libvlc_media_player_get_length(v.mediaPlayerInstance))
}
func (v *TVLCMediaPlayer) MediaLengthString() string {
l := v.MediaLength()
if l == 0 {
return "00:00:00"
}
l = l / 1000
return fmt.Sprintf("%.2d:%.2d:%.2d", l/3600, (l%3600)/60, l%60)
}
func (v *TVLCMediaPlayer) Position() float32 {
if !v.MediaPlayerValid() {
return 0
}
psi := libvlc_media_player_get_position(v.mediaPlayerInstance)
return psi
}
func (v *TVLCMediaPlayer) SetPosition(pos float32) {
if !v.MediaPlayerValid() {
return
}
libvlc_media_player_set_position(v.mediaPlayerInstance, pos)
}