/***************************************************************************** * vout_sdl.c: SDL video output display method ***************************************************************************** * Copyright (C) 1998, 1999, 2000 VideoLAN * $Id: vout_sdl.c,v 1.51 2001/05/07 04:42:42 sam Exp $ * * Authors: Samuel Hocevar * Pierre Baillet * Arnaud de Bossoreille de Ribou * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. *****************************************************************************/ #define MODULE_NAME sdl #include "modules_inner.h" /***************************************************************************** * Preamble *****************************************************************************/ #include "defs.h" #include /* ENOMEM */ #include /* free() */ #include /* strerror() */ #include #include "config.h" #include "common.h" #include "threads.h" #include "mtime.h" #include "tests.h" #include "modules.h" #include "video.h" #include "video_output.h" #include "intf_msg.h" #include "interface.h" /* FIXME: get rid of this */ #include "keystrokes.h" #include "main.h" #include "netutils.h" #define SDL_MAX_DIRECTBUFFERS 3 #define SDL_DEFAULT_BPP 16 /***************************************************************************** * vout_sys_t: video output SDL method descriptor ***************************************************************************** * This structure is part of the video output thread descriptor. * It describes the SDL specific properties of an output thread. *****************************************************************************/ typedef struct vout_sys_s { SDL_Surface * p_display; /* display device */ int i_width; int i_height; boolean_t b_cursor; boolean_t b_cursor_autohidden; mtime_t i_lastmoved; } vout_sys_t; /***************************************************************************** * picture_sys_t: direct buffer method descriptor ***************************************************************************** * This structure is part of the picture descriptor, it describes the * SDL specific properties of a direct buffer. *****************************************************************************/ typedef struct picture_sys_s { SDL_Overlay *p_overlay; } picture_sys_t; /***************************************************************************** * Local prototypes. *****************************************************************************/ static int vout_Probe ( probedata_t *p_data ); static int vout_Create ( struct vout_thread_s * ); static int vout_Init ( struct vout_thread_s * ); static void vout_End ( struct vout_thread_s * ); static void vout_Destroy ( struct vout_thread_s * ); static int vout_Manage ( struct vout_thread_s * ); static void vout_Display ( struct vout_thread_s *, struct picture_s * ); static int SDLOpenDisplay ( vout_thread_t *p_vout ); static void SDLCloseDisplay ( vout_thread_t *p_vout ); /***************************************************************************** * Functions exported as capabilities. They are declared as static so that * we don't pollute the namespace too much. *****************************************************************************/ void _M( vout_getfunctions )( function_list_t * p_function_list ) { p_function_list->pf_probe = vout_Probe; p_function_list->functions.vout.pf_create = vout_Create; p_function_list->functions.vout.pf_init = vout_Init; p_function_list->functions.vout.pf_end = vout_End; p_function_list->functions.vout.pf_destroy = vout_Destroy; p_function_list->functions.vout.pf_manage = vout_Manage; p_function_list->functions.vout.pf_display = vout_Display; p_function_list->functions.vout.pf_setpalette = NULL; } /***************************************************************************** * vout_Probe: probe the video driver and return a score ***************************************************************************** * This function tries to initialize SDL and returns a score to the * plugin manager so that it can select the best plugin. *****************************************************************************/ static int vout_Probe( probedata_t *p_data ) { if( TestMethod( VOUT_METHOD_VAR, "sdl" ) ) { return( 999 ); } return( 100 ); } /***************************************************************************** * vout_Create: allocate SDL video thread output method ***************************************************************************** * This function allocate and initialize a SDL vout method. It uses some of the * vout properties to choose the correct mode, and change them according to the * mode actually used. *****************************************************************************/ static int vout_Create( vout_thread_t *p_vout ) { /* Allocate structure */ p_vout->p_sys = malloc( sizeof( vout_sys_t ) ); if( p_vout->p_sys == NULL ) { intf_ErrMsg( "vout error: can't create p_sys (%s)", strerror(ENOMEM) ); return( 1 ); } /* Initialize library */ if( SDL_Init( SDL_INIT_VIDEO #ifndef WIN32 /* Win32 SDL implementation doesn't support SDL_INIT_EVENTTHREAD yet*/ | SDL_INIT_EVENTTHREAD #endif | SDL_INIT_NOPARACHUTE ) < 0 ) { intf_ErrMsg( "vout error: can't initialize SDL (%s)", SDL_GetError() ); free( p_vout->p_sys ); return( 1 ); } p_vout->p_sys->b_cursor = 1; /* TODO should be done with a main_GetInt.. */ p_vout->p_sys->b_cursor_autohidden = 0; p_vout->p_sys->i_lastmoved = mdate(); p_vout->b_fullscreen = main_GetIntVariable( VOUT_FULLSCREEN_VAR, VOUT_FULLSCREEN_DEFAULT ); p_vout->p_sys->i_width = main_GetIntVariable( VOUT_WIDTH_VAR, VOUT_WIDTH_DEFAULT ); p_vout->p_sys->i_height = main_GetIntVariable( VOUT_HEIGHT_VAR, VOUT_HEIGHT_DEFAULT ); p_vout->p_sys->p_display = NULL; if( SDLOpenDisplay( p_vout ) ) { intf_ErrMsg( "vout error: can't set up SDL (%s)", SDL_GetError() ); free( p_vout->p_sys ); return( 1 ); } /* FIXME: get rid of this ASAP, it's FUCKING UGLY */ { intf_thread_t * p_intf = p_main->p_intf; intf_AssignKey(p_intf, SDLK_q, INTF_KEY_QUIT, 0); intf_AssignKey(p_intf, SDLK_ESCAPE, INTF_KEY_QUIT, 0); /* intf_AssignKey(p_intf,3,'Q'); */ intf_AssignKey(p_intf, SDLK_0, INTF_KEY_SET_CHANNEL,0); intf_AssignKey(p_intf, SDLK_1, INTF_KEY_SET_CHANNEL,1); intf_AssignKey(p_intf, SDLK_2, INTF_KEY_SET_CHANNEL,2); intf_AssignKey(p_intf, SDLK_3, INTF_KEY_SET_CHANNEL,3); intf_AssignKey(p_intf, SDLK_4, INTF_KEY_SET_CHANNEL,4); intf_AssignKey(p_intf, SDLK_5, INTF_KEY_SET_CHANNEL,5); intf_AssignKey(p_intf, SDLK_6, INTF_KEY_SET_CHANNEL,6); intf_AssignKey(p_intf, SDLK_7, INTF_KEY_SET_CHANNEL,7); intf_AssignKey(p_intf, SDLK_8, INTF_KEY_SET_CHANNEL,8); intf_AssignKey(p_intf, SDLK_9, INTF_KEY_SET_CHANNEL,9); intf_AssignKey(p_intf, SDLK_PLUS, INTF_KEY_INC_VOLUME, 0); intf_AssignKey(p_intf, SDLK_MINUS, INTF_KEY_DEC_VOLUME, 0); intf_AssignKey(p_intf, SDLK_m, INTF_KEY_TOGGLE_VOLUME, 0); /* intf_AssignKey(p_intf,'M','M'); */ intf_AssignKey(p_intf, SDLK_g, INTF_KEY_DEC_GAMMA, 0); /* intf_AssignKey(p_intf,'G','G'); */ intf_AssignKey(p_intf, SDLK_c, INTF_KEY_TOGGLE_GRAYSCALE, 0); intf_AssignKey(p_intf, SDLK_SPACE, INTF_KEY_TOGGLE_INTERFACE, 0); intf_AssignKey(p_intf, SDLK_i, INTF_KEY_TOGGLE_INFO, 0); intf_AssignKey(p_intf, SDLK_s, INTF_KEY_TOGGLE_SCALING, 0); intf_AssignKey(p_intf, SDLK_d, INTF_KEY_DUMP_STREAM, 0); } return( 0 ); } /***************************************************************************** * vout_Init: initialize SDL video thread output method ***************************************************************************** * This function initialize the SDL display device. *****************************************************************************/ static int vout_Init( vout_thread_t *p_vout ) { picture_t *p_pic; int i_index = 0; /* Try to initialize SDL_MAX_DIRECTBUFFERS direct buffers */ while( i_index < SDL_MAX_DIRECTBUFFERS ) { p_pic = &p_vout->p_picture[ i_index ]; switch( p_vout->i_chroma ) { case YUV_420_PICTURE: /* We know this chroma, allocate a buffer which will be used * directly by the decoder */ p_pic->p_sys = malloc( sizeof( picture_sys_t ) ); if( p_pic->p_sys == NULL ) { p_pic->p_data = NULL; break; } p_pic->p_sys->p_overlay = SDL_CreateYUVOverlay( p_vout->i_width, p_vout->i_height, SDL_YV12_OVERLAY, p_vout->p_sys->p_display ); if( p_pic->p_sys->p_overlay == NULL ) { free( p_pic->p_sys ); p_pic->p_data = NULL; break; } SDL_LockYUVOverlay( p_pic->p_sys->p_overlay ); p_pic->i_chroma = YUV_420_PICTURE; p_pic->i_width = p_vout->i_width; p_pic->i_height = p_vout->i_height; /* Precalculate some values */ p_pic->i_size = p_vout->i_width * p_vout->i_height; p_pic->i_chroma_width = p_vout->i_width / 2; p_pic->i_chroma_size = p_vout->i_width * p_vout->i_height / 2; /* XXX: this is wrong, FIXME */ p_pic->i_data = p_pic->p_sys->p_overlay->pitches[1] / 2; p_pic->p_data = p_pic->p_sys->p_overlay->pixels[0]; /* Set up buffers */ p_pic->p_y = p_pic->p_sys->p_overlay->pixels[0]; p_pic->p_u = p_pic->p_sys->p_overlay->pixels[2]; p_pic->p_v = p_pic->p_sys->p_overlay->pixels[1]; break; default: /* Unknown chroma, tell the guy to get lost */ p_pic->p_data = NULL; break; } if( p_pic->p_data == NULL ) { break; } p_pic->i_status = DESTROYED_PICTURE; p_pic->b_directbuffer = 1; p_pic->i_left_margin = p_pic->i_right_margin = p_pic->i_top_margin = p_pic->i_bottom_margin = 0; i_index++; } /* How many directbuffers did we create ? */ p_vout->i_directbuffers = i_index; return( 0 ); } /***************************************************************************** * vout_End: terminate Sys video thread output method ***************************************************************************** * Terminate an output method created by vout_SDLCreate *****************************************************************************/ static void vout_End( vout_thread_t *p_vout ) { int i_index; /* Free the direct buffers we allocated */ for( i_index = p_vout->i_directbuffers ; i_index ; ) { i_index--; SDL_UnlockYUVOverlay( p_vout->p_picture[ i_index ].p_sys->p_overlay ); SDL_FreeYUVOverlay( p_vout->p_picture[ i_index ].p_sys->p_overlay ); free( p_vout->p_picture[ i_index ].p_sys ); } } /***************************************************************************** * vout_Destroy: destroy Sys video thread output method ***************************************************************************** * Terminate an output method created by vout_SDLCreate *****************************************************************************/ static void vout_Destroy( vout_thread_t *p_vout ) { SDLCloseDisplay( p_vout ); SDL_Quit(); free( p_vout->p_sys ); } /***************************************************************************** * vout_Manage: handle Sys events ***************************************************************************** * This function should be called regularly by video output thread. It returns * a non null value if an error occured. *****************************************************************************/ static int vout_Manage( vout_thread_t *p_vout ) { SDL_Event event; /* SDL event */ char * p_key; /* Process events */ while( SDL_PollEvent(&event) ) { switch( event.type ) { case SDL_VIDEORESIZE: /* Resizing of window */ p_vout->p_sys->i_width = event.resize.w; p_vout->p_sys->i_height = event.resize.h; break; case SDL_MOUSEMOTION: if( p_vout->p_sys->b_cursor && (abs(event.motion.xrel) > 2 || abs(event.motion.yrel) > 2) ) { if( p_vout->p_sys->b_cursor_autohidden ) { p_vout->p_sys->b_cursor_autohidden = 0; SDL_ShowCursor( 1 ); } else { p_vout->p_sys->i_lastmoved = mdate(); } } break; case SDL_MOUSEBUTTONUP: switch( event.button.button ) { case SDL_BUTTON_RIGHT: p_main->p_intf->b_menu_change = 1; break; } break; case SDL_MOUSEBUTTONDOWN: switch( event.button.button ) { case SDL_BUTTON_MIDDLE: p_vout->i_changes |= VOUT_CURSOR_CHANGE; break; } break; case SDL_QUIT: intf_ProcessKey( p_main->p_intf, SDLK_q ); break; case SDL_KEYDOWN: /* if a key is pressed */ switch( event.key.keysym.sym ) { case SDLK_f: /* switch to fullscreen */ p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE; break; case SDLK_y: /* switch to hard YUV */ p_vout->i_changes |= VOUT_YUV_CHANGE; break; case SDLK_c: /* toggle grayscale */ p_vout->b_grayscale = ! p_vout->b_grayscale; p_vout->i_changes |= VOUT_GRAYSCALE_CHANGE; break; case SDLK_i: /* toggle info */ p_vout->b_info = ! p_vout->b_info; p_vout->i_changes |= VOUT_INFO_CHANGE; break; case SDLK_s: /* toggle scaling */ p_vout->b_scale = ! p_vout->b_scale; p_vout->i_changes |= VOUT_SCALE_CHANGE; break; case SDLK_SPACE: /* toggle interface */ p_vout->b_interface = ! p_vout->b_interface; p_vout->i_changes |= VOUT_INTF_CHANGE; break; case SDLK_F10: network_ChannelJoin( 0 ); break; case SDLK_F1: network_ChannelJoin( 1 ); break; case SDLK_F2: network_ChannelJoin( 2 ); break; case SDLK_F3: network_ChannelJoin( 3 ); break; case SDLK_F4: network_ChannelJoin( 4 ); break; case SDLK_F5: network_ChannelJoin( 5 ); break; case SDLK_F6: network_ChannelJoin( 6 ); break; case SDLK_F7: network_ChannelJoin( 7 ); break; case SDLK_F8: network_ChannelJoin( 8 ); break; case SDLK_F9: network_ChannelJoin( 9 ); break; case SDLK_MENU: p_main->p_intf->b_menu_change = 1; break; default: p_key = SDL_GetKeyName( event.key.keysym.sym ) ; if( intf_ProcessKey( p_main->p_intf, (char )event.key.keysym.sym ) ) { intf_DbgMsg( "unhandled key '%c' (%i)", (char)event.key.keysym.sym, event.key.keysym.sym ); } break; } break; default: break; } } /* * Fullscreen change */ if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE ) { p_vout->b_fullscreen = ! p_vout->b_fullscreen; SDL_WM_ToggleFullScreen(p_vout->p_sys->p_display); p_vout->p_sys->b_cursor_autohidden = 0; SDL_ShowCursor( p_vout->p_sys->b_cursor && ! p_vout->p_sys->b_cursor_autohidden ); p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE; } /* * Pointer change */ if( ! p_vout->p_sys->b_cursor_autohidden && ( mdate() - p_vout->p_sys->i_lastmoved > 2000000 ) ) { /* Hide the mouse automatically */ p_vout->p_sys->b_cursor_autohidden = 1; SDL_ShowCursor( 0 ); } if( p_vout->i_changes & VOUT_CURSOR_CHANGE ) { p_vout->p_sys->b_cursor = ! p_vout->p_sys->b_cursor; SDL_ShowCursor( p_vout->p_sys->b_cursor && ! p_vout->p_sys->b_cursor_autohidden ); p_vout->i_changes &= ~VOUT_CURSOR_CHANGE; } return( 0 ); } /***************************************************************************** * vout_Display: displays previously rendered output ***************************************************************************** * This function sends the currently rendered image to the display. *****************************************************************************/ static void vout_Display( vout_thread_t *p_vout, picture_t *p_picture ) { SDL_Rect disp; /* We'll need to deal with aspect ratio later */ disp.w = p_vout->p_sys->i_width; disp.h = p_vout->p_sys->i_height; disp.x = 0; disp.y = 0; SDL_UnlockYUVOverlay( p_picture->p_sys->p_overlay); SDL_DisplayYUVOverlay( p_picture->p_sys->p_overlay , &disp ); SDL_LockYUVOverlay( p_picture->p_sys->p_overlay); } /* following functions are local */ /***************************************************************************** * SDLOpenDisplay: open and initialize SDL device ***************************************************************************** * Open and initialize display according to preferences specified in the vout * thread fields. *****************************************************************************/ static int SDLOpenDisplay( vout_thread_t *p_vout ) { Uint32 i_flags; int i_bpp; /* init flags and cursor */ i_flags = SDL_ANYFORMAT | SDL_HWPALETTE | SDL_HWSURFACE; i_flags |= p_vout->b_fullscreen ? SDL_FULLSCREEN : SDL_RESIZABLE; i_bpp = SDL_VideoModeOK( p_vout->p_sys->i_width, p_vout->p_sys->i_height, SDL_DEFAULT_BPP, i_flags ); if( i_bpp == 0 ) { intf_ErrMsg( "vout error: no video mode available" ); return( 1 ); } p_vout->p_sys->p_display = SDL_SetVideoMode( p_vout->p_sys->i_width, p_vout->p_sys->i_height, i_bpp, i_flags ); if( p_vout->p_sys->p_display == NULL ) { intf_ErrMsg( "vout error: cannot set video mode" ); return( 1 ); } SDL_LockSurface( p_vout->p_sys->p_display ); SDL_WM_SetCaption( VOUT_TITLE " (SDL output)", VOUT_TITLE " (SDL output)" ); SDL_EventState( SDL_KEYUP, SDL_IGNORE ); /* ignore keys up */ return( 0 ); } /***************************************************************************** * SDLCloseDisplay: close and reset SDL device ***************************************************************************** * This function returns all resources allocated by SDLOpenDisplay and restore * the original state of the device. *****************************************************************************/ static void SDLCloseDisplay( vout_thread_t *p_vout ) { SDL_UnlockSurface ( p_vout->p_sys->p_display ); SDL_FreeSurface( p_vout->p_sys->p_display ); }