FFmpeg based playback

.github/workflows/c-cpp.yml

@@ -67,7 +67,9 @@ jobs:
             targetarch: amd64
     env:
       SDL_VERSION: 2.30.9
+      FFMPEG_VERSION: 7.1
       GH_CPU_ARCH: ${{ matrix.targetarch }}
+      GH_CPU_OS: ${{ matrix.targetos }}
       GH_CROSSCOMPILING: ${{ matrix.cross }}
     steps:
     - name: Checkout

common/backends.h

@@ -50,4 +50,8 @@ GNU General Public License for more details.
 #define LIB_WIN32 2
 #define LIB_STATIC 3
 
+// movies (XASH_AVI)
+#define AVI_NULL   0
+#define AVI_FFMPEG 1
+
 #endif /* BACKENDS_H */

common/defaults.h

@@ -78,7 +78,6 @@ SETUP BACKENDS DEFINITIONS
 		// usually only 10-20 fds availiable
 		#define XASH_REDUCE_FD
 	#endif
-
 #endif // XASH_DEDICATED
 
 //
@@ -105,6 +104,17 @@ SETUP BACKENDS DEFINITIONS
 	#endif // !XASH_WIN32
 #endif
 
+//
+// determine movie playback backend
+//
+#ifndef XASH_AVI
+	#if HAVE_FFMPEG
+		#define XASH_AVI AVI_FFMPEG
+	#else
+		#define XASH_AVI AVI_NULL
+	#endif
+#endif
+
 #ifdef XASH_STATIC_LIBS
 #define XASH_LIB LIB_STATIC
 #define XASH_INTERNAL_GAMELIBS

common/render_api.h

@@ -157,6 +157,21 @@ typedef struct decallist_s
 	modelstate_t	studio_state;	// studio decals only
 } decallist_t;
 
+enum movie_parms_e
+{
+	AVI_PARM_LAST = 0, // marker for SetParm to end parse parsing arguments
+	AVI_RENDER_TEXNUM, // (int) sets texture to draw into, if 0 will draw to screen
+	AVI_RENDER_X, // (int) when set to screen, sets position where to draw
+	AVI_RENDER_Y,
+	AVI_RENDER_W, // (int) sets texture or screen width
+	AVI_RENDER_H, // set to -1 to draw full screen
+	AVI_REWIND, // no argument, rewind playback to the beginning
+	AVI_ENTNUM, // (int) entity number, -1 for no spatialization
+	AVI_VOLUME, // (int) volume from 0 to 255
+	AVI_ATTN, // (float) attenuation value
+};
+
+struct movie_state_s;
 struct ref_viewpass_s;
 
 typedef struct render_api_s
@@ -193,16 +208,16 @@ typedef struct render_api_s
 	void		(*R_EntityRemoveDecals)( struct model_s *mod ); // remove all the decals from specified entity (BSP only)
 
 	// AVIkit support
-	void		*(*AVI_LoadVideo)( const char *filename, qboolean load_audio );
-	int		(*AVI_GetVideoInfo)( void *Avi, int *xres, int *yres, float *duration ); // a1ba: changed longs to int
-	int		(*AVI_GetVideoFrameNumber)( void *Avi, float time );
-	byte		*(*AVI_GetVideoFrame)( void *Avi, int frame );
+	struct movie_state_s *(*AVI_LoadVideo)( const char *filename, qboolean load_audio );
+	qboolean		(*AVI_GetVideoInfo)( struct movie_state_s *Avi, int *xres, int *yres, float *duration ); // a1ba: changed longs to int
+	int		(*AVI_GetVideoFrameNumber)( struct movie_state_s *Avi, float time );
+	byte		*(*AVI_GetVideoFrame)( struct movie_state_s *Avi, int frame );
 	void		(*AVI_UploadRawFrame)( int texture, int cols, int rows, int width, int height, const byte *data );
-	void		(*AVI_FreeVideo)( void *Avi );
-	int		(*AVI_IsActive)( void *Avi );
-	void		(*AVI_StreamSound)( void *Avi, int entnum, float fvol, float attn, float synctime );
-	void		(*AVI_Reserved0)( void );	// for potential interface expansion without broken compatibility
-	void		(*AVI_Reserved1)( void );
+	void		(*AVI_FreeVideo)( struct movie_state_s *Avi );
+	qboolean		(*AVI_IsActive)( struct movie_state_s *Avi );
+	void		(*AVI_StreamSound)( struct movie_state_s *Avi, int entnum, float fvol, float attn, float synctime );
+	qboolean	(*AVI_Think)( struct movie_state_s *Avi );
+	qboolean	(*AVI_SetParm)( struct movie_state_s *Avi, enum movie_parms_e parm, ... );
 
 	// glState related calls (must use this instead of normal gl-calls to prevent de-synchornize local states between engine and the client)
 	void		(*GL_Bind)( int tmu, unsigned int texnum );

engine/client/avi/avi.h

@@ -18,12 +18,11 @@ GNU General Public License for more details.
 //
 // avikit.c
 //
-typedef struct movie_state_s  movie_state_t;
+typedef struct movie_state_s movie_state_t;
 int AVI_GetVideoFrameNumber( movie_state_t *Avi, float time );
 byte *AVI_GetVideoFrame( movie_state_t *Avi, int frame );
 qboolean AVI_GetVideoInfo( movie_state_t *Avi, int *xres, int *yres, float *duration );
-qboolean AVI_GetAudioInfo( movie_state_t *Avi, wavdata_t *snd_info );
-int AVI_GetAudioChunk( movie_state_t *Avi, char *audiodata, int offset, int length );
+qboolean AVI_HaveAudioTrack( const movie_state_t *Avi );
 void AVI_OpenVideo( movie_state_t *Avi, const char *filename, qboolean load_audio, int quiet );
 movie_state_t *AVI_LoadVideo( const char *filename, qboolean load_audio );
 int AVI_TimeToSoundPosition( movie_state_t *Avi, int time );
@@ -34,4 +33,7 @@ movie_state_t *AVI_GetState( int num );
 qboolean AVI_Initailize( void );
 void AVI_Shutdown( void );
 
+qboolean AVI_SetParm( movie_state_t *Avi, enum movie_parms_e parm, ... );
+qboolean AVI_Think( movie_state_t *Avi );
+
 #endif // AVI_H