energy/cef/types-audio-handler.go

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//----------------------------------------
//
// Copyright © yanghy. All Rights Reserved.
//
// Licensed under Apache License Version 2.0, January 2004
//
// https://www.apache.org/licenses/LICENSE-2.0
//
//----------------------------------------
package cef
import (
"github.com/energye/energy/v2/cef/internal/def"
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"github.com/energye/energy/v2/common/imports"
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"github.com/energye/golcl/lcl"
"github.com/energye/golcl/lcl/api"
"unsafe"
)
// ************************** creates ************************** //
// AudioHandlerRef -> ICefAudioHandler
var AudioHandlerRef audioHandler
type audioHandler uintptr
func (*audioHandler) New() *ICefAudioHandler {
var result uintptr
imports.Proc(def.CefAudioHandlerRef_Create).Call(uintptr(unsafe.Pointer(&result)))
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if result != 0 {
return &ICefAudioHandler{instance: unsafe.Pointer(result)}
}
return nil
}
// ************************** impl ************************** //
// Instance 实例
func (m *ICefAudioHandler) Instance() uintptr {
if m == nil {
return 0
}
return uintptr(m.instance)
}
func (m *ICefAudioHandler) Free() {
if m.instance != nil {
m.base.Free(m.Instance())
m.instance = nil
}
}
func (m *ICefAudioHandler) IsValid() bool {
if m == nil || m.instance == nil {
return false
}
return m.instance != nil
}
func (m *ICefAudioHandler) SetOnGetAudioParameters(fn onGetAudioParameters) {
if !m.IsValid() {
return
}
imports.Proc(def.CefAudioHandler_OnGetAudioParameters).Call(m.Instance(), api.MakeEventDataPtr(fn))
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}
func (m *ICefAudioHandler) SetOnAudioStreamStarted(fn onAudioStreamStarted) {
if !m.IsValid() {
return
}
imports.Proc(def.CefAudioHandler_OnAudioStreamStarted).Call(m.Instance(), api.MakeEventDataPtr(fn))
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}
func (m *ICefAudioHandler) SetOnAudioStreamPacket(fn onAudioStreamPacket) {
if !m.IsValid() {
return
}
imports.Proc(def.CefAudioHandler_OnAudioStreamPacket).Call(m.Instance(), api.MakeEventDataPtr(fn))
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}
func (m *ICefAudioHandler) SetOnAudioStreamStopped(fn onAudioStreamStopped) {
if !m.IsValid() {
return
}
imports.Proc(def.CefAudioHandler_OnAudioStreamStopped).Call(m.Instance(), api.MakeEventDataPtr(fn))
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}
func (m *ICefAudioHandler) SetOnAudioStreamError(fn onAudioStreamError) {
if !m.IsValid() {
return
}
imports.Proc(def.CefAudioHandler_OnAudioStreamError).Call(m.Instance(), api.MakeEventDataPtr(fn))
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}
// ************************** events ************************** //
type onGetAudioParameters func(browser *ICefBrowser, params *TCefAudioParameters) bool
type onAudioStreamStarted func(browser *ICefBrowser, params *TCefAudioParameters, channels int32)
type onAudioStreamPacket func(browser *ICefBrowser, data *uintptr, frames int32, pts int64)
type onAudioStreamStopped func(browser *ICefBrowser)
type onAudioStreamError func(browser *ICefBrowser, message string)
func init() {
lcl.RegisterExtEventCallback(func(fn interface{}, getVal func(idx int) uintptr) bool {
getPtr := func(i int) unsafe.Pointer {
return unsafe.Pointer(getVal(i))
}
switch fn.(type) {
case onGetAudioParameters:
browse := &ICefBrowser{instance: getPtr(0)}
params := (*TCefAudioParameters)(getPtr(1))
result := (*bool)(getPtr(2))
*result = fn.(onGetAudioParameters)(browse, params)
case onAudioStreamStarted:
browse := &ICefBrowser{instance: getPtr(0)}
params := (*TCefAudioParameters)(getPtr(1))
fn.(onAudioStreamStarted)(browse, params, int32(getVal(2)))
case onAudioStreamPacket:
browse := &ICefBrowser{instance: getPtr(0)}
data := (*uintptr)(getPtr(1))
frames := int32(getVal(2))
pts := *(*int64)(getPtr(3))
fn.(onAudioStreamPacket)(browse, data, frames, pts)
case onAudioStreamStopped:
browse := &ICefBrowser{instance: getPtr(0)}
fn.(onAudioStreamStopped)(browse)
case onAudioStreamError:
browse := &ICefBrowser{instance: getPtr(0)}
fn.(onAudioStreamError)(browse, api.GoStr(getVal(1)))
default:
return false
}
return true
})
}