Create files to support NSMovie and NSMovieView

.gitignore

@@ -17,6 +17,10 @@ Source/Info-gnustep.plist
 Tests/gui/*/GNUmakefile
 Tools/speech/GSSpeechServer.app
 Tools/speech_recognizer/GSSpeechRecognitionServer.app
+Tools/sound/AudioOutput.nssound
+Tools/sound/Sndfile.nssound
+Tools/video/VideoFile.nsmovie
+Tools/video/VideoOutput.nsmovie
 *~
 *.nssound
 *.nsmovie

ChangeLog

@@ -82,6 +82,26 @@
 	* Source/NSImageCell.m: subclass initImageCell, so that
 	RefusesFirstResponder can be set, matching Mac.
 
+2022-03-27 Gregory John Casamento <[email protected]>
+
+	* config.make.in: Add video flag
+	* configure.ac: Update to detect avformat.h
+	* Headers/Additions/GNUstepGUI/GSVideoSink.h
+	* Headers/Additions/GNUstepGUI/GSVideoSource.h: Add protocol
+        methods for reading and playing video.
+	* Headers/AppKit/NSMovie.h: Minor formatting changes.
+	* Headers/AppKit/NSMovieView.h: Minor formatting changes.
+	* Headers/AppKit/NSSound.h: Minor formatting changes
+	* Source/NSMovie.m: Fixes.
+	* Source/NSMovieView.m: Implement _stream method
+	* Source/NSSound.m: Minor formatting changes
+	* Tools/GNUmakefile: Cleanup
+	* Tools/video/GNUmakefile: Minor fixes
+	* Tools/video/VideoFileSource.m: Implementation of
+        readBytes:length: method for reading from the NSData.
+	* Tools/video/VideoOutputSink.m: Implementation of
+        playBytes:length: for playing the bytes as a movie.
+
 2022-02-26  Wolfgang Lux  <[email protected]>
 
 	* Source/NSPopUpButtonCell.m(setMenu:): Select the first item of

Headers/Additions/GNUstepGUI/GSVideoSink.h

@@ -0,0 +1,83 @@
+/* 
+   GSVideoSink.h
+
+   Sink video data.
+
+   Copyright (C) 2022 Free Software Foundation, Inc.
+
+   Written by: Gregory John Casamento <[email protected]>
+   Date: Mar 2022
+
+   This file is part of the GNUstep GUI Library.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; see the file COPYING.LIB.
+   If not, see <http://www.gnu.org/licenses/> or write to the 
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, 
+   Boston, MA 02110-1301, USA.
+*/ 
+
+#ifndef _GNUstep_H_GSVideoSink
+#define _GNUstep_H_GSVideoSink
+
+#import <Foundation/NSByteOrder.h>
+#import <Foundation/NSObject.h>
+
+@class NSMovie;
+@class NSMovieView;
+
+@protocol GSVideoSink <NSObject>
+
++ (BOOL) canInitWithData: (NSData *)d;
+
+/**
+ * Opens the device for output, called by [NSMovie-play].
+ */
+- (BOOL) open;
+
+/** Closes the device, called by [NSMovie-stop].
+ */
+- (void) close;
+
+/**
+ * Play the entire video
+ */
+- (void) play;
+
+/** 
+ * Plays the data in bytes
+ */
+- (BOOL) playBytes: (void *)bytes length: (NSUInteger)length;
+
+/** Called by [NSMovieView -setVolume:], and corresponds to it.  Parameter volume
+ *  is between the values 0.0 and 1.0.
+ */
+- (void) setVolume: (float)volume;
+
+/** Called by [NSMovieView -volume].
+ */
+- (CGFloat) volume;
+
+/**
+ * Sets the view to output to.
+ */
+- (void) setMovieView: (NSMovieView *)view;
+
+/**
+ * The movie view
+ */
+- (NSMovieView *) movieView;
+
+@end
+
+#endif // _GNUstep_H_GSVideoSink

Headers/Additions/GNUstepGUI/GSVideoSource.h

@@ -0,0 +1,76 @@
+/* 
+   GSVideoSource.h
+
+   Load and read video data.
+
+   Copyright (C) 2022 Free Software Foundation, Inc.
+
+   Written by:  Gregory John Casamento <[email protected]>
+   Date: Mar 2022
+
+   This file is part of the GNUstep GUI Library.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; see the file COPYING.LIB.
+   If not, see <http://www.gnu.org/licenses/> or write to the 
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, 
+   Boston, MA 02110-1301, USA.
+*/ 
+
+#ifndef _GNUstep_H_GSVideoSource
+#define _GNUstep_H_GSVideoSource
+
+#import <Foundation/NSByteOrder.h>
+#import <Foundation/NSObject.h>
+
+@class NSArray;
+
+@protocol GSVideoSource <NSObject>
+
+/** Returns an array of the file types supported by the class.
+ */
++ (NSArray *)videoUnfilteredFileTypes;
+
+/** Returns an array of UTIs identifying the file types the class understands.
+ */
++ (NSArray *)videoUnfilteredTypes;
+
+/** Returns YES if the class can understand data and NO otherwise.
+ */
++ (BOOL)canInitWithData: (NSData *)data;
+
+/** <init />
+ *  Initilizes the reciever for output.
+ */
+- (id)initWithData: (NSData *)data;
+
+/** Reads data provided in -initWithData:.  Parameter bytes must be big enough
+ *  to hold length bytes.
+ */
+- (NSUInteger)readBytes: (void *)bytes length: (NSUInteger)length;
+
+/** Returns the duration, in seconds.  Equivalent to [NSMovieView-duration].
+ */
+- (NSTimeInterval)duration;
+
+/** Called by [NSSound-setCurrentTime:].
+ */
+- (void)setCurrentTime: (NSTimeInterval)currentTime;
+
+/** Called by [NSSound-currentTime].
+ */
+- (NSTimeInterval)currentTime;
+
+@end
+
+#endif // _GNUstep_H_GSVideoSource

Headers/AppKit/NSMovie.h

@@ -7,6 +7,9 @@
    Author: Fred Kiefer <[email protected]>
    Date: March 2003
 
+   Author: Gregory John Casamento <[email protected]>
+   Date: March 2022
+
    This file is part of the GNUstep GUI Library.
 
    This library is free software; you can redistribute it and/or
@@ -28,7 +31,11 @@
 
 #ifndef _GNUstep_H_NSMovie
 #define _GNUstep_H_NSMovie
+
 #import <AppKit/AppKitDefines.h>
+#import <GNUstepBase/GSVersionMacros.h>
+#import <GNUstepGUI/GSVideoSource.h>
+#import <GNUstepGUI/GSVideoSink.h>
 
 #import <Foundation/NSObject.h>
 
@@ -41,20 +48,53 @@ APPKIT_EXPORT_CLASS
 @interface NSMovie : NSObject <NSCopying, NSCoding> 
 {
   @private
-    NSData*  _movie;
-    NSURL*   _url;
+    NSData             *_movieData;
+    NSURL              *_url;
+    void               *_movie;
+    id< GSVideoSource > _source;
+    id< GSVideoSink >   _sink;
 }
 
-+ (NSArray*) movieUnfilteredFileTypes;
-+ (NSArray*) movieUnfilteredPasteboardTypes;
-+ (BOOL) canInitWithPasteboard: (NSPasteboard*)pasteboard;
-
-- (id) initWithMovie: (void*)movie;
-- (id) initWithURL: (NSURL*)url byReference: (BOOL)byRef;
-- (id) initWithPasteboard: (NSPasteboard*)pasteboard;
-
-- (void*) QTMovie;
-- (NSURL*) URL;
+/**
+ * Returns the array of file types/extensions that NSMovie can handle
+ */
++ (NSArray *) movieUnfilteredFileTypes;
+
+/**
+ * Returns the array of pasteboard types that NSMovie can handle
+ */
++ (NSArray *) movieUnfilteredPasteboardTypes;
+
+/**
+ * Returns YES, if NSMovie can initialize with the data on the pasteboard
+ */
++ (BOOL) canInitWithPasteboard: (NSPasteboard *)pasteboard;
+
+/**
+ * Accepts a Carbon movie and uses it to init NSMovie (non-functional on GNUstep).
+ */
+- (id) initWithMovie: (void *)movie;
+
+/**
+ * Retrieves the data from url and initializes with it, does so by references depending
+ * on byRef
+ */
+- (id) initWithURL: (NSURL *)url byReference: (BOOL)byRef;
+
+/**
+ * Pulls the data from the pasteboard and initializes NSMovie.
+ */
+- (id) initWithPasteboard: (NSPasteboard *)pasteboard;
+
+/**
+ * Return QTMovie
+ */ 
+- (void *) QTMovie;
+
+/**
+ * The URL used to initialize NSMovie
+ */
+- (NSURL *) URL;
 
 @end