interface.c

uclinux下mplayer的源码

    }

    while(GetMessage(&msg, NULL, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
    fprintf(stderr, "[GUI] GUI thread terminated.\n");
    fflush(stderr);
    return 0;
}

void guiInit(void)
{
    memset(&guiIntfStruct, 0, sizeof(guiIntfStruct));
    /* Create The gui thread */
    if (!mygui)
    {
        hThread = _beginthreadex(NULL, 0, GuiThread, NULL, 0, &threadId);
        mp_msg(MSGT_GPLAYER, MSGL_V, "[GUI] Creating GUI Thread 0x%04x\n", threadId);
    }

    /* Wait until the gui is created */
    while(!mygui) Sleep(100);
    mp_msg(MSGT_GPLAYER, MSGL_V, "[GUI] GUI thread started.\n");
}

void guiDone(void)
{
    if(mygui)
    {
        fprintf(stderr, "[GUI] Closed by main mplayer window\n");
        fflush(stderr);
        PostThreadMessage(threadId, WM_QUIT, 0, 0);
        WaitForSingleObject(hThread, INFINITE);
        CloseHandle(hThread);
        mygui->uninit(mygui);
        free(mygui);
        mygui = NULL;
    }
    /* Remove tray icon */
    Shell_NotifyIcon(NIM_DELETE, &nid);
    cfg_write();
}

/* this function gets called by mplayer to update the gui */
int guiGetEvent(int type, char *arg)
{
    stream_t *stream = (stream_t *) arg;
#ifdef USE_DVDREAD
    dvd_priv_t *dvdp = (dvd_priv_t *) arg;
#endif
    if(!mygui || !mygui->skin) return 0;

    if(guiIntfStruct.mpcontext)
    {
        audio_out = mpctx_get_audio_out(guiIntfStruct.mpcontext);
        video_out = mpctx_get_video_out(guiIntfStruct.mpcontext);
        mixer = mpctx_get_mixer(guiIntfStruct.mpcontext);
        playtree = mpctx_get_playtree_iter(guiIntfStruct.mpcontext);
    }

    switch (type)
    {
        case guiSetFileFormat:
            guiIntfStruct.FileFormat = (int) arg;
            break;
        case guiSetParameters:
        {
            guiGetEvent(guiSetDefaults, NULL);
            guiIntfStruct.DiskChanged = 0;
            guiIntfStruct.FilenameChanged = 0;
            guiIntfStruct.NewPlay = 0;
            switch(guiIntfStruct.StreamType)
            {
                case STREAMTYPE_PLAYLIST:
                    break;
#ifdef USE_DVDREAD
                case STREAMTYPE_DVD:
                {
                    char tmp[512];
                    dvd_title = guiIntfStruct.DVD.current_title;
                    dvd_chapter = guiIntfStruct.DVD.current_chapter;
                    dvd_angle = guiIntfStruct.DVD.current_angle;
                    sprintf(tmp,"dvd://%d", guiIntfStruct.Title);
                    guiSetFilename(guiIntfStruct.Filename, tmp);
                    break;
                }
#endif
            }
            if(guiIntfStruct.Filename)
                filename = strdup(guiIntfStruct.Filename);
            else if(filename)
                strcpy(guiIntfStruct.Filename, filename);
            break;
        }
        case guiSetAudioOnly:
        {
            guiIntfStruct.AudioOnly = (int) arg;
            if(IsWindowVisible(mygui->subwindow))
                ShowWindow(mygui->subwindow, SW_HIDE);
            break;
        }
        case guiSetContext:
            guiIntfStruct.mpcontext = (void *) arg;
            break;
        case guiSetDemuxer:
            guiIntfStruct.demuxer = (void *) arg;
            break;
        case guiSetValues:
        {
            guiIntfStruct.sh_video = arg;
            if (arg)
            {
                sh_video_t *sh = (sh_video_t *)arg;
                codecname = sh->codec->name;
                guiIntfStruct.FPS = sh->fps;

                /* we have video, show the subwindow */
                if(!IsWindowVisible(mygui->subwindow) || IsIconic(mygui->subwindow))
                    ShowWindow(mygui->subwindow, SW_SHOWNORMAL);
                if(WinID == -1)
                    update_subwindow();

            }
            break;
        }
        case guiSetShVideo:
        {
            guiIntfStruct.MovieWidth = vo_dwidth;
            guiIntfStruct.MovieHeight = vo_dheight;

            sub_aspect = (float)guiIntfStruct.MovieWidth/guiIntfStruct.MovieHeight;
            if(WinID != -1)
               update_subwindow();
            break;
        }
        case guiSetStream:
        {
            guiIntfStruct.StreamType = stream->type;
            switch(stream->type)
            {
#ifdef USE_DVDREAD
                case STREAMTYPE_DVD:
                    guiGetEvent(guiSetDVD, (char *) stream->priv);
                    break;
#endif
            }
            break;
        }
#ifdef USE_DVDREAD
        case guiSetDVD:
        {
            guiIntfStruct.DVD.titles = dvdp->vmg_file->tt_srpt->nr_of_srpts;
            guiIntfStruct.DVD.chapters = dvdp->vmg_file->tt_srpt->title[dvd_title].nr_of_ptts;
            guiIntfStruct.DVD.angles = dvdp->vmg_file->tt_srpt->title[dvd_title].nr_of_angles;
            guiIntfStruct.DVD.nr_of_audio_channels = dvdp->nr_of_channels;
            memcpy(guiIntfStruct.DVD.audio_streams, dvdp->audio_streams, sizeof(dvdp->audio_streams));
            guiIntfStruct.DVD.nr_of_subtitles = dvdp->nr_of_subtitles;
            memcpy(guiIntfStruct.DVD.subtitles, dvdp->subtitles, sizeof(dvdp->subtitles));
            guiIntfStruct.DVD.current_title = dvd_title + 1;
            guiIntfStruct.DVD.current_chapter = dvd_chapter + 1;
            guiIntfStruct.DVD.current_angle = dvd_angle + 1;
            guiIntfStruct.Track = dvd_title + 1;
            break;
        }
#endif
        case guiReDraw:
            mygui->updatedisplay(mygui, mygui->mainwindow);
            break;
        case guiSetAfilter:
            guiIntfStruct.afilter = (void *) arg;
            break;
        case guiCEvent:
        {
            guiIntfStruct.Playing = (int) arg;
            switch (guiIntfStruct.Playing)
            {
                case guiSetPlay:
                {
                    guiIntfStruct.Playing = 1;
                    break;
                }
                case guiSetStop:
                {
                    guiIntfStruct.Playing = 0;
                    if(movie_aspect >= 0)
                        movie_aspect = -1;
                    update_subwindow();
                    break;
                }
                case guiSetPause:
                    guiIntfStruct.Playing = 2;
                    break;
            }
            break;
        }
        case guiIEvent:
        {
            mp_msg(MSGT_GPLAYER,MSGL_V, "cmd: %d\n", (int) arg);
            /* MPlayer asks us to quit */
            switch((int) arg)
            {
                case MP_CMD_GUI_FULLSCREEN:
                    mplFullScreen();
                    break;
                case MP_CMD_QUIT:
                {
                    mygui->uninit(mygui);
                    free(mygui);
                    mygui = NULL;
                    exit_player("Done");
                    return 0;
                }
                case MP_CMD_GUI_STOP:
                    guiGetEvent(guiCEvent, (void *) guiSetStop);
                    break;
                case MP_CMD_GUI_PLAY:
                    guiGetEvent(guiCEvent, (void *) guiSetPlay);
                    break;
                case MP_CMD_GUI_SKINBROWSER:
                    if(fullscreen) guiSetEvent(evFullScreen);
                    PostMessage(mygui->mainwindow, WM_COMMAND, (WPARAM) ID_SKINBROWSER, 0);
                    break;
                case MP_CMD_GUI_PLAYLIST:
                    if(fullscreen) guiSetEvent(evFullScreen);
                    PostMessage(mygui->mainwindow, WM_COMMAND, (WPARAM) ID_PLAYLIST, 0);
                    break;
                case MP_CMD_GUI_PREFERENCES:
                    if(fullscreen) guiSetEvent(evFullScreen);
                    PostMessage(mygui->mainwindow, WM_COMMAND, (WPARAM) ID_PREFS, 0);
                    break;
                case MP_CMD_GUI_LOADFILE:
                    if(fullscreen) guiSetEvent(evFullScreen);
                    PostMessage(mygui->mainwindow, WM_COMMAND, (WPARAM) IDFILE_OPEN, 0);
                    break;
                case MP_CMD_GUI_LOADSUBTITLE:
                    if(fullscreen) guiSetEvent(evFullScreen);
                    PostMessage(mygui->mainwindow, WM_COMMAND, (WPARAM) IDSUBTITLE_OPEN, 0);
                    break;
                default:
                    break;
            }
            break;
        }
        case guiSetFileName:
            if (arg) guiIntfStruct.Filename = (char *) arg;
            break;
        case guiSetDefaults:
        {
            audio_id = -1;
            video_id = -1;
            dvdsub_id = -1;
            vobsub_id = -1;
            stream_cache_size = -1;
            autosync = 0;
            vcd_track = 0;
            dvd_title = 0;
            force_fps = 0;
            if(!mygui->playlist->tracks) return 0;
            filename = guiIntfStruct.Filename = mygui->playlist->tracks[mygui->playlist->current]->filename;
            guiIntfStruct.Track = mygui->playlist->current + 1;
            if(gtkAONorm) greplace(&af_cfg.list, "volnorm", "volnorm");
            if(gtkAOExtraStereo)
            {
                char *name = malloc(12 + 20 + 1);
                snprintf(name, 12 + 20, "extrastereo=%f", gtkAOExtraStereoMul);
                name[12 + 20] = 0;
                greplace(&af_cfg.list, "extrastereo", name);
                free(name);
            }
            if(gtkCacheOn) stream_cache_size = gtkCacheSize;
            if(gtkAutoSyncOn) autosync = gtkAutoSync;
            break;
        }
        case guiSetVolume:
        {
            if(audio_out)
            {
                /* Some audio_out drivers do not support balance e.g. dsound */
                /* FIXME this algo is not correct */
                float l, r;
                mixer_getvolume(mixer, &l, &r);
                guiIntfStruct.Volume = (r > l ? r : l); /* max(r,l) */
                if (r != l)
                    guiIntfStruct.Balance = ((r-l) + 100.0f) * 0.5f;
                else
                    guiIntfStruct.Balance = 50.0f;
            }
            break;
        }
        default:
            mp_msg(MSGT_GPLAYER, MSGL_ERR, "[GUI] GOT UNHANDLED EVENT %i\n", type);
    }
    return 0;
}

/* This function adds/inserts one file into the gui playlist */
int import_file_into_gui(char *pathname, int insert)
{
    char filename[MAX_PATH];
    char *filepart = filename;

    if (strstr(pathname, "://"))
    {
        mp_msg(MSGT_GPLAYER, MSGL_V, "[GUI] Adding special %s\n", pathname);
        mygui->playlist->add_track(mygui->playlist, pathname, NULL, NULL, 0);
        return 1;
    }
    if (GetFullPathName(pathname, MAX_PATH, filename, &filepart))
    {
        if (!(GetFileAttributes(filename) & FILE_ATTRIBUTE_DIRECTORY))
        {
            mp_msg(MSGT_GPLAYER, MSGL_V, "[GUI] Adding filename: %s - fullpath: %s\n", filepart, filename);
            mygui->playlist->add_track(mygui->playlist, filename, NULL, filepart, 0);
            return 1;
        }
        else
            mp_msg(MSGT_GPLAYER, MSGL_V, "[GUI] Cannot add %s\n", filename);
    }

    return 0;
}

/*  This function imports the initial playtree (based on cmd-line files) into the gui playlist
    by either:
    - overwriting gui pl (enqueue=0) */

int import_initial_playtree_into_gui(play_tree_t *my_playtree, m_config_t *config, int enqueue)
{
    play_tree_iter_t *my_pt_iter = NULL;
    int result = 0;

    if(!mygui) guiInit();

    if((my_pt_iter = pt_iter_create(&my_playtree, config)))
    {
        while ((filename = pt_iter_get_next_file(my_pt_iter)) != NULL)
        {
            if (parse_filename(filename, my_playtree, config, 0))
                result = 1;
            else if (import_file_into_gui(filename, 0)) /* Add it to end of list */
                result = 1;
        }
    }
    mplGotoTheNext = 1;

    if (result)
    {
        mygui->playlist->current = 0;
        filename = mygui->playlist->tracks[0]->filename;
    }
    return result;
}

/* This function imports and inserts an playtree, that is created "on the fly", for example by
   parsing some MOV-Reference-File; or by loading an playlist with "File Open"
   The file which contained the playlist is thereby replaced with it's contents. */

int import_playtree_playlist_into_gui(play_tree_t *my_playtree, m_config_t *config)
{
    play_tree_iter_t *my_pt_iter = NULL;
    int result = 0;

    if((my_pt_iter = pt_iter_create(&my_playtree, config)))
    {
        while ((filename = pt_iter_get_next_file(my_pt_iter)) != NULL)
            if (import_file_into_gui(filename, 1)) /* insert it into the list and set plCurrent = new item */
                result = 1;
        pt_iter_destroy(&my_pt_iter);
    }
    filename = NULL;
    return result;
}

inline void gtkMessageBox(int type, const char *str)
{
    if (type & GTK_MB_FATAL)
        MessageBox(NULL, str, "MPlayer GUI for Windows Error", MB_OK | MB_ICONERROR);

    fprintf(stderr, "[GUI] MessageBox: %s\n", str);
    fflush(stderr);
}

void guiMessageBox(int level, char *str)
{
    switch(level)
    {
        case MSGL_FATAL:
            gtkMessageBox(GTK_MB_FATAL | GTK_MB_SIMPLE, str);
            break;
        case MSGL_ERR:
            gtkMessageBox(GTK_MB_ERROR | GTK_MB_SIMPLE, str);
            break;
    }
}

static int update_subwindow(void)
{
    int x,y;
    RECT rd;
    WINDOWPOS wp;

    if(!sub_window)
    {
        WinID = -1; // so far only directx supports WinID in windows

        if(IsWindowVisible(mygui->subwindow) && guiIntfStruct.sh_video && guiIntfStruct.Playing)
        {
            ShowWindow(mygui->subwindow, SW_HIDE);
            return 0;
        }
        else if(guiIntfStruct.AudioOnly)
            return 0;
        else ShowWindow(mygui->subwindow, SW_SHOW);
    }

    /* we've come out of fullscreen at the end of file */
    if((!IsWindowVisible(mygui->subwindow) || IsIconic(mygui->subwindow)) && !guiIntfStruct.AudioOnly)
        ShowWindow(mygui->subwindow, SW_SHOWNORMAL);

    /* get our current window coordinates */
    GetWindowRect(mygui->subwindow, &rd);

    x = rd.left;
    y = rd.top;

    /* restore sub window position when coming out of fullscreen */
    if(x <= 0) x = old_rect.left;
    if(y <= 0) y = old_rect.top;

    if(!guiIntfStruct.Playing)
    {
        window *desc = NULL;
        int i;

        for (i=0; i<mygui->skin->windowcount; i++)
            if(mygui->skin->windows[i]->type == wiSub)
                desc = mygui->skin->windows[i];

        rd.right = rd.left+desc->base->bitmap[0]->width;
        rd.bottom = rd.top+desc->base->bitmap[0]->height;
        sub_aspect = (float)(rd.right-rd.left)/(rd.bottom-rd.top);
    }
    else
    {
        rd.right = rd.left+guiIntfStruct.MovieWidth;
        rd.bottom = rd.top+guiIntfStruct.MovieHeight;

        if (movie_aspect > 0.0)       // forced aspect from the cmdline
            sub_aspect = movie_aspect;
    }


    AdjustWindowRect(&rd, WS_OVERLAPPEDWINDOW | WS_SIZEBOX, 0);
    SetWindowPos(mygui->subwindow, 0, x, y, rd.right-rd.left, rd.bottom-rd.top, SWP_NOOWNERZORDER);

    wp.hwnd = mygui->subwindow;
    wp.x = rd.left;
    wp.y = rd.top;
    wp.cx = rd.right-rd.left;
    wp.cy = rd.bottom-rd.top;
    wp.flags = SWP_NOOWNERZORDER | SWP_SHOWWINDOW;

    /* erase the bitmap image if there's video */
    if(guiIntfStruct.Playing != 0 && guiIntfStruct.sh_video)
        SendMessage(mygui->subwindow, WM_ERASEBKGND, (WPARAM)GetDC(mygui->subwindow), 0);

    /* reset the window aspect */
    SendMessage(mygui->subwindow, WM_WINDOWPOSCHANGED, 0, (LPARAM)&wp);
    return 0;
}

void guiEventHandling(void) {}