mirror of
https://github.com/salvadordf/CEF4Delphi.git
synced 2024-12-04 09:26:52 +02:00
294 lines
11 KiB
ObjectPascal
294 lines
11 KiB
ObjectPascal
// ************************************************************************
|
|
// ***************************** CEF4Delphi *******************************
|
|
// ************************************************************************
|
|
//
|
|
// CEF4Delphi is based on DCEF3 which uses CEF3 to embed a chromium-based
|
|
// browser in Delphi applications.
|
|
//
|
|
// The original license of DCEF3 still applies to CEF4Delphi.
|
|
//
|
|
// For more information about CEF4Delphi visit :
|
|
// https://www.briskbard.com/index.php?lang=en&pageid=cef
|
|
//
|
|
// Copyright © 2021 Salvador Diaz Fau. All rights reserved.
|
|
//
|
|
// ************************************************************************
|
|
// ************ vvvv Original license and comments below vvvv *************
|
|
// ************************************************************************
|
|
(*
|
|
* Delphi Chromium Embedded 3
|
|
*
|
|
* Usage allowed under the restrictions of the Lesser GNU General Public License
|
|
* or alternatively the restrictions of the Mozilla Public License 1.1
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
|
|
* the specific language governing rights and limitations under the License.
|
|
*
|
|
* Unit owner : Henri Gourvest <hgourvest@gmail.com>
|
|
* Web site : http://www.progdigy.com
|
|
* Repository : http://code.google.com/p/delphichromiumembedded/
|
|
* Group : http://groups.google.com/group/delphichromiumembedded
|
|
*
|
|
* Embarcadero Technologies, Inc is not permitted to use or redistribute
|
|
* this source code without explicit permission.
|
|
*
|
|
*)
|
|
|
|
unit uCEFAudioHandler;
|
|
|
|
{$IFDEF FPC}
|
|
{$MODE OBJFPC}{$H+}
|
|
{$ENDIF}
|
|
|
|
{$IFNDEF CPUX64}{$ALIGN ON}{$ENDIF}
|
|
{$MINENUMSIZE 4}
|
|
|
|
{$I cef.inc}
|
|
|
|
interface
|
|
|
|
uses
|
|
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
|
|
|
|
type
|
|
TCefAudioHandlerOwn = class(TCefBaseRefCountedOwn, ICefAudioHandler)
|
|
protected
|
|
procedure OnGetAudioParameters(const browser: ICefBrowser; var params: TCefAudioParameters; var aResult: boolean); virtual;
|
|
procedure OnAudioStreamStarted(const browser: ICefBrowser; const params: TCefAudioParameters; channels: integer); virtual;
|
|
procedure OnAudioStreamPacket(const browser: ICefBrowser; const data : PPSingle; frames: integer; pts: int64); virtual;
|
|
procedure OnAudioStreamStopped(const browser: ICefBrowser); virtual;
|
|
procedure OnAudioStreamError(const browser: ICefBrowser; const message_: ustring); virtual;
|
|
|
|
procedure RemoveReferences; virtual;
|
|
|
|
public
|
|
constructor Create; virtual;
|
|
end;
|
|
|
|
TCustomAudioHandler = class(TCefAudioHandlerOwn)
|
|
protected
|
|
FEvents : Pointer;
|
|
|
|
procedure OnGetAudioParameters(const browser: ICefBrowser; var params: TCefAudioParameters; var aResult: boolean); override;
|
|
procedure OnAudioStreamStarted(const browser: ICefBrowser; const params: TCefAudioParameters; channels: integer); override;
|
|
procedure OnAudioStreamPacket(const browser: ICefBrowser; const data : PPSingle; frames: integer; pts: int64); override;
|
|
procedure OnAudioStreamStopped(const browser: ICefBrowser); override;
|
|
procedure OnAudioStreamError(const browser: ICefBrowser; const message_: ustring); override;
|
|
|
|
procedure RemoveReferences; override;
|
|
|
|
public
|
|
constructor Create(const events : IChromiumEvents); reintroduce; virtual;
|
|
destructor Destroy; override;
|
|
end;
|
|
|
|
implementation
|
|
|
|
uses
|
|
{$IFDEF DELPHI16_UP}
|
|
System.SysUtils,
|
|
{$ELSE}
|
|
SysUtils,
|
|
{$ENDIF}
|
|
uCEFMiscFunctions, uCEFLibFunctions, uCEFBrowser;
|
|
|
|
function cef_audio_handler_get_audio_parameters(self : PCefAudioHandler;
|
|
browser : PCefBrowser;
|
|
params : PCefAudioParameters): Integer; stdcall;
|
|
var
|
|
TempObject : TObject;
|
|
TempParams : TCefAudioParameters;
|
|
TempResult : boolean;
|
|
begin
|
|
TempObject := CefGetObject(self);
|
|
TempResult := False;
|
|
|
|
if (TempObject <> nil) and (TempObject is TCefAudioHandlerOwn) then
|
|
begin
|
|
TempParams := params^;
|
|
TCefAudioHandlerOwn(TempObject).OnGetAudioParameters(TCefBrowserRef.UnWrap(browser),
|
|
TempParams,
|
|
TempResult);
|
|
if TempResult then
|
|
params^ := TempParams;
|
|
end;
|
|
|
|
Result := ord(TempResult);
|
|
end;
|
|
|
|
procedure cef_audio_handler_on_audio_stream_started( self : PCefAudioHandler;
|
|
browser : PCefBrowser;
|
|
const params : PCefAudioParameters;
|
|
channels : integer); stdcall;
|
|
var
|
|
TempObject : TObject;
|
|
begin
|
|
TempObject := CefGetObject(self);
|
|
|
|
if (TempObject <> nil) and (TempObject is TCefAudioHandlerOwn) then
|
|
TCefAudioHandlerOwn(TempObject).OnAudioStreamStarted(TCefBrowserRef.UnWrap(browser),
|
|
params^,
|
|
channels);
|
|
end;
|
|
|
|
procedure cef_audio_handler_on_audio_stream_packet( self : PCefAudioHandler;
|
|
browser : PCefBrowser;
|
|
const data : PPSingle;
|
|
frames : integer;
|
|
pts : int64); stdcall;
|
|
var
|
|
TempObject : TObject;
|
|
begin
|
|
TempObject := CefGetObject(self);
|
|
|
|
if (TempObject <> nil) and (TempObject is TCefAudioHandlerOwn) then
|
|
TCefAudioHandlerOwn(TempObject).OnAudioStreamPacket(TCefBrowserRef.UnWrap(browser),
|
|
data,
|
|
frames,
|
|
pts);
|
|
end;
|
|
|
|
procedure cef_audio_handler_on_audio_stream_stopped(self: PCefAudioHandler; browser: PCefBrowser); stdcall;
|
|
var
|
|
TempObject : TObject;
|
|
begin
|
|
TempObject := CefGetObject(self);
|
|
|
|
if (TempObject <> nil) and (TempObject is TCefAudioHandlerOwn) then
|
|
TCefAudioHandlerOwn(TempObject).OnAudioStreamStopped(TCefBrowserRef.UnWrap(browser));
|
|
end;
|
|
|
|
procedure cef_audio_handler_on_audio_stream_error(self: PCefAudioHandler; browser: PCefBrowser; const message_: PCefString); stdcall;
|
|
var
|
|
TempObject : TObject;
|
|
begin
|
|
TempObject := CefGetObject(self);
|
|
|
|
if (TempObject <> nil) and (TempObject is TCefAudioHandlerOwn) then
|
|
TCefAudioHandlerOwn(TempObject).OnAudioStreamError(TCefBrowserRef.UnWrap(browser),
|
|
CefString(message_));
|
|
end;
|
|
|
|
constructor TCefAudioHandlerOwn.Create;
|
|
begin
|
|
inherited CreateData(SizeOf(TCefAudioHandler));
|
|
|
|
with PCefAudioHandler(FData)^ do
|
|
begin
|
|
get_audio_parameters := {$IFDEF FPC}@{$ENDIF}cef_audio_handler_get_audio_parameters;
|
|
on_audio_stream_started := {$IFDEF FPC}@{$ENDIF}cef_audio_handler_on_audio_stream_started;
|
|
on_audio_stream_packet := {$IFDEF FPC}@{$ENDIF}cef_audio_handler_on_audio_stream_packet;
|
|
on_audio_stream_stopped := {$IFDEF FPC}@{$ENDIF}cef_audio_handler_on_audio_stream_stopped;
|
|
on_audio_stream_error := {$IFDEF FPC}@{$ENDIF}cef_audio_handler_on_audio_stream_error;
|
|
end;
|
|
end;
|
|
|
|
procedure TCefAudioHandlerOwn.OnGetAudioParameters(const browser : ICefBrowser;
|
|
var params : TCefAudioParameters;
|
|
var aResult : boolean);
|
|
begin
|
|
//
|
|
end;
|
|
|
|
procedure TCefAudioHandlerOwn.OnAudioStreamStarted(const browser : ICefBrowser;
|
|
const params : TCefAudioParameters;
|
|
channels : integer);
|
|
begin
|
|
//
|
|
end;
|
|
|
|
procedure TCefAudioHandlerOwn.OnAudioStreamPacket(const browser : ICefBrowser;
|
|
const data : PPSingle;
|
|
frames : integer;
|
|
pts : int64);
|
|
begin
|
|
//
|
|
end;
|
|
|
|
procedure TCefAudioHandlerOwn.OnAudioStreamStopped(const browser : ICefBrowser);
|
|
begin
|
|
//
|
|
end;
|
|
|
|
procedure TCefAudioHandlerOwn.OnAudioStreamError(const browser : ICefBrowser;
|
|
const message_ : ustring);
|
|
begin
|
|
//
|
|
end;
|
|
|
|
procedure TCefAudioHandlerOwn.RemoveReferences;
|
|
begin
|
|
//
|
|
end;
|
|
|
|
|
|
// TCustomAudioHandler
|
|
|
|
constructor TCustomAudioHandler.Create(const events : IChromiumEvents);
|
|
begin
|
|
inherited Create;
|
|
|
|
FEvents := Pointer(events);
|
|
end;
|
|
|
|
destructor TCustomAudioHandler.Destroy;
|
|
begin
|
|
RemoveReferences;
|
|
|
|
inherited Destroy;
|
|
end;
|
|
|
|
procedure TCustomAudioHandler.RemoveReferences;
|
|
begin
|
|
FEvents := nil;
|
|
end;
|
|
|
|
procedure TCustomAudioHandler.OnGetAudioParameters(const browser : ICefBrowser;
|
|
var params : TCefAudioParameters;
|
|
var aResult : boolean);
|
|
begin
|
|
if (FEvents <> nil) then
|
|
IChromiumEvents(FEvents).doOnGetAudioParameters(browser,
|
|
params,
|
|
aResult);
|
|
end;
|
|
|
|
procedure TCustomAudioHandler.OnAudioStreamStarted(const browser : ICefBrowser;
|
|
const params : TCefAudioParameters;
|
|
channels : integer);
|
|
begin
|
|
if (FEvents <> nil) then
|
|
IChromiumEvents(FEvents).doOnAudioStreamStarted(browser,
|
|
params,
|
|
channels);
|
|
end;
|
|
|
|
procedure TCustomAudioHandler.OnAudioStreamPacket(const browser : ICefBrowser;
|
|
const data : PPSingle;
|
|
frames : integer;
|
|
pts : int64);
|
|
begin
|
|
if (FEvents <> nil) then
|
|
IChromiumEvents(FEvents).doOnAudioStreamPacket(browser,
|
|
data,
|
|
frames,
|
|
pts);
|
|
end;
|
|
|
|
procedure TCustomAudioHandler.OnAudioStreamStopped(const browser : ICefBrowser);
|
|
begin
|
|
if (FEvents <> nil) then
|
|
IChromiumEvents(FEvents).doOnAudioStreamStopped(browser);
|
|
end;
|
|
|
|
procedure TCustomAudioHandler.OnAudioStreamError(const browser : ICefBrowser;
|
|
const message_ : ustring);
|
|
begin
|
|
if (FEvents <> nil) then
|
|
IChromiumEvents(FEvents).doOnAudioStreamError(browser,
|
|
message_);
|
|
end;
|
|
|
|
end.
|