1+ /*
2+ ** Command & Conquer Generals Zero Hour(tm)
3+ ** Copyright 2025 TheSuperHackers
4+ **
5+ ** This program is free software: you can redistribute it and/or modify
6+ ** it under the terms of the GNU General Public License as published by
7+ ** the Free Software Foundation, either version 3 of the License, or
8+ ** (at your option) any later version.
9+ **
10+ ** This program is distributed in the hope that it will be useful,
11+ ** but WITHOUT ANY WARRANTY; without even the implied warranty of
12+ ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13+ ** GNU General Public License for more details.
14+ **
15+ ** You should have received a copy of the GNU General Public License
16+ ** along with this program. If not, see <http://www.gnu.org/licenses/>.
17+ */
18+
19+ // //////////////////////////////////////////////////////////////////////////////
20+ // //
21+ // (c) 2001-2003 Electronic Arts Inc. //
22+ // //
23+ // //////////////////////////////////////////////////////////////////////////////
24+
25+ // ////// FFmpegVideoPlayer.h ///////////////////////////
26+ // Stephan Vedder, April 2025
27+ // ///////////////////////////////////////////////
28+
29+ #pragma once
30+
31+ #ifndef __VIDEODEVICE_FFMPEGDEVICE_H_
32+ #define __VIDEODEVICE_FFMPEGDEVICE_H_
33+
34+
35+ // ----------------------------------------------------------------------------
36+ // Includes
37+ // ----------------------------------------------------------------------------
38+
39+ #include " GameClient/VideoPlayer.h"
40+
41+ // ----------------------------------------------------------------------------
42+ // Forward References
43+ // ----------------------------------------------------------------------------
44+
45+ class FFmpegFile ;
46+ struct AVFrame ;
47+ struct SwsContext ;
48+
49+ // ----------------------------------------------------------------------------
50+ // Type Defines
51+ // ----------------------------------------------------------------------------
52+
53+ // ===============================
54+ // FFmpegVideoStream
55+ // ===============================
56+
57+ class FFmpegVideoStream : public VideoStream
58+ {
59+ friend class FFmpegVideoPlayer ;
60+
61+ protected:
62+ Bool m_good = true ; // /< Is the stream valid
63+ Bool m_gotFrame = false ; // /< Is the frame ready to be displayed
64+ AVFrame *m_frame = nullptr ; // /< Current frame
65+ SwsContext *m_swsContext = nullptr ;// /< SWSContext for scaling
66+ FFmpegFile *m_ffmpegFile; // /< The AVUI abstraction ///< Bink streaming handle;
67+ Char *m_memFile; // /< Pointer to memory resident file
68+ UnsignedInt64 m_startTime = 0 ; // /< Time the stream started
69+ UnsignedByte * m_audioBuffer = nullptr ;// /< Audio buffer for the stream
70+
71+ FFmpegVideoStream (FFmpegFile* file); // /< only BinkVideoPlayer can create these
72+ virtual ~FFmpegVideoStream ();
73+
74+ static void onFrame (AVFrame *frame, int stream_idx, int stream_type, void *user_data);
75+ public:
76+
77+ virtual void update ( void ); // /< Update bink stream
78+
79+ virtual Bool isFrameReady ( void ); // /< Is the frame ready to be displayed
80+ virtual void frameDecompress ( void ); // /< Render current frame in to buffer
81+ virtual void frameRender ( VideoBuffer *buffer ); // /< Render current frame in to buffer
82+ virtual void frameNext ( void ); // /< Advance to next frame
83+ virtual Int frameIndex ( void ); // /< Returns zero based index of current frame
84+ virtual Int frameCount ( void ); // /< Returns the total number of frames in the stream
85+ virtual void frameGoto ( Int index ); // /< Go to the spcified frame index
86+ virtual Int height ( void ); // /< Return the height of the video
87+ virtual Int width ( void ); // /< Return the width of the video
88+
89+
90+ };
91+
92+ // ===============================
93+ // FFmpegVideoPlayer
94+ // ===============================
95+ /* *
96+ * FFmpeg video playback code.
97+ */
98+ // ===============================
99+
100+ class FFmpegVideoPlayer : public VideoPlayer
101+ {
102+
103+ protected:
104+
105+ VideoStreamInterface* createStream ( File* file );
106+
107+ public:
108+
109+ // subsytem requirements
110+ virtual void init ( void ); // /< Initialize video playback code
111+ virtual void reset ( void ); // /< Reset video playback
112+ virtual void update ( void ); // /< Services all audio tasks. Should be called frequently
113+
114+ virtual void deinit ( void ); // /< Close down player
115+
116+
117+ FFmpegVideoPlayer ();
118+ ~FFmpegVideoPlayer ();
119+
120+ // service
121+ virtual void loseFocus ( void ); // /< Should be called when application loses focus
122+ virtual void regainFocus ( void ); // /< Should be called when application regains focus
123+
124+ virtual VideoStreamInterface* open ( AsciiString movieTitle ); // /< Open video file for playback
125+ virtual VideoStreamInterface* load ( AsciiString movieTitle ); // /< Load video file in to memory for playback
126+
127+ virtual void notifyVideoPlayerOfNewProvider ( Bool nowHasValid );
128+ virtual void initializeBinkWithMiles ( void );
129+ };
130+
131+
132+ // ----------------------------------------------------------------------------
133+ // Inlining
134+ // ----------------------------------------------------------------------------
135+
136+
137+ #endif // __VIDEODEVICE_FFMPEGDEVICE_H_
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