func SinglePlayProcess(fpath string, loop *C.GMainLoop) {
// fmt.Printf("filename[%s]\n", fpath)
var pipeline *C.GstElement // 定义组件
var bus *C.GstBus
switch t := filepath.Ext(fpath); t {
case ".mp3":
case ".wav":
case ".ogg":
case ".wma":
case ".rmvb":
default:
fmt.Printf("不支持此文件格式[%s]\n", t)
return
}
v0 := GString("playbin")
v1 := GString("play")
pipeline = C.gst_element_factory_make(v0, v1)
GFree(unsafe.Pointer(v0))
GFree(unsafe.Pointer(v1))
v2 := GString(fpath)
C.set_path(unsafe.Pointer(pipeline), v2)
GFree(unsafe.Pointer(v2))
// 得到 管道的消息总线
bus = C.pipeline_get_bus(unsafe.Pointer(pipeline))
if bus == (*C.GstBus)(nil) {
fmt.Println("GstBus element could not be created.Exiting.")
return
}
C.bus_add_watch(unsafe.Pointer(bus), unsafe.Pointer(loop))
C.media_ready(unsafe.Pointer(pipeline))
C.media_play(unsafe.Pointer(pipeline))
// 开始循环
C.g_main_loop_run(loop)
C.media_stop(unsafe.Pointer(pipeline))
C.object_unref(unsafe.Pointer(pipeline))
}
func PlayProcess(cs chan byte, loop *C.GMainLoop) {
var pipeline *C.GstElement // 定义组件
var bus *C.GstBus
wg := new(sync.WaitGroup)
sig_out := make(chan bool)
g_wg.Add(1)
defer close(sig_out)
defer g_wg.Done()
if g_isOutOfOrder {
outOfOrder(g_list)
debug.FreeOSMemory()
}
start := g_list.Front()
end := g_list.Back()
e := g_list.Front()
v0 := GString("playbin")
v1 := GString("play")
pipeline = C.gst_element_factory_make(v0, v1)
GFree(unsafe.Pointer(v0))
GFree(unsafe.Pointer(v1))
// 得到 管道的消息总线
bus = C.pipeline_get_bus(unsafe.Pointer(pipeline))
if bus == (*C.GstBus)(nil) {
fmt.Println("GstBus element could not be created.Exiting.")
return
}
C.bus_add_watch(unsafe.Pointer(bus), unsafe.Pointer(loop))
// 开始循环
go func(sig_quit chan bool) {
wg.Add(1)
i := 0
LOOP_RUN:
for !g_isQuit {
if i != 0 {
C.media_ready(unsafe.Pointer(pipeline))
C.media_play(unsafe.Pointer(pipeline))
}
C.g_main_loop_run(loop)
C.media_stop(unsafe.Pointer(pipeline))
switch g_play_style {
case PLAY_STYLE_SINGLE:
sig_quit <- true
break LOOP_RUN
case PLAY_STYLE_ORDER:
if e != end {
e = e.Next()
} else {
break LOOP_RUN
}
case PLAY_STYLE_SHUFFLE:
if e != end {
e = e.Next()
} else {
break LOOP_RUN
}
case PLAY_STYLE_SLOOP:
case PLAY_STYLE_ALOOP:
if e != end {
e = e.Next()
} else {
e = start
}
}
fpath, ok := e.Value.(string)
if ok {
v2 := GString(fpath)
C.set_path(unsafe.Pointer(pipeline), v2)
GFree(unsafe.Pointer(v2))
} else {
break
}
i++
}
C.object_unref(unsafe.Pointer(pipeline))
wg.Done()
}(sig_out)
fpath, ok := e.Value.(string)
if ok {
// fmt.Printf("filename[%s]\n", fpath)
v2 := GString(fpath)
C.set_path(unsafe.Pointer(pipeline), v2)
GFree(unsafe.Pointer(v2))
C.media_ready(unsafe.Pointer(pipeline))
C.media_play(unsafe.Pointer(pipeline))
//C.set_mute(unsafe.Pointer(pipeline))
lb := true
for lb {
select {
case op := <-cs:
switch op {
case 's':
C.media_pause(unsafe.Pointer(pipeline))
case 'r':
C.media_play(unsafe.Pointer(pipeline))
case 'n':
switch g_play_style {
case PLAY_STYLE_SINGLE:
lb = false
g_isQuit = true
case PLAY_STYLE_ORDER:
fallthrough
case PLAY_STYLE_SHUFFLE:
C.media_stop(unsafe.Pointer(pipeline))
if e != end {
e = e.Next()
} else {
lb = false
g_isQuit = true
}
case PLAY_STYLE_SLOOP:
C.media_stop(unsafe.Pointer(pipeline))
case PLAY_STYLE_ALOOP:
if e != end {
e = e.Next()
} else {
e = start
}
}
if !lb {
fpath, ok := e.Value.(string)
if ok {
v2 := GString(fpath)
C.set_path(unsafe.Pointer(pipeline), v2)
GFree(unsafe.Pointer(v2))
C.media_ready(unsafe.Pointer(pipeline))
C.media_play(unsafe.Pointer(pipeline))
} else {
lb = false
g_isQuit = true
}
}
//C.g_main_loop_quit(loop)
case 'p':
switch g_play_style {
case PLAY_STYLE_SINGLE:
// do nothing ???
case PLAY_STYLE_ORDER:
fallthrough
case PLAY_STYLE_SHUFFLE:
C.media_stop(unsafe.Pointer(pipeline))
if e != start {
e = e.Prev()
fpath, ok := e.Value.(string)
if ok {
v2 := GString(fpath)
C.set_path(unsafe.Pointer(pipeline), v2)
GFree(unsafe.Pointer(v2))
C.media_ready(unsafe.Pointer(pipeline))
C.media_play(unsafe.Pointer(pipeline))
} else {
lb = false
g_isQuit = true
}
} else {
lb = false
g_isQuit = true
}
case PLAY_STYLE_SLOOP:
C.media_stop(unsafe.Pointer(pipeline))
fpath, ok := e.Value.(string)
if ok {
v2 := GString(fpath)
C.set_path(unsafe.Pointer(pipeline), v2)
GFree(unsafe.Pointer(v2))
C.media_ready(unsafe.Pointer(pipeline))
C.media_play(unsafe.Pointer(pipeline))
}
case PLAY_STYLE_ALOOP:
C.media_stop(unsafe.Pointer(pipeline))
if e != start {
e = e.Prev()
} else {
e = end
}
fpath, ok := e.Value.(string)
if ok {
v2 := GString(fpath)
C.set_path(unsafe.Pointer(pipeline), v2)
GFree(unsafe.Pointer(v2))
C.media_ready(unsafe.Pointer(pipeline))
C.media_play(unsafe.Pointer(pipeline))
}
}
case 'q':
lb = false
g_isQuit = true
case '+':
g_volume_size++
C.set_volume(unsafe.Pointer(pipeline), C.int(g_volume_size))
case '-':
g_volume_size--
if g_volume_size < 0 {
g_volume_size = 0
}
C.set_volume(unsafe.Pointer(pipeline), C.int(g_volume_size))
case 't':
C.media_seek(unsafe.Pointer(pipeline), C.gint64(5))
}
case vv0 := <-sig_out:
if vv0 {
C.g_main_loop_quit(loop)
wg.Wait()
g_wg.Done()
g_wg.Wait()
close(sig_out)
os.Exit(0)
}
}
}
} else {
// 路径非法
return
}
C.g_main_loop_quit(loop)
wg.Wait()
}