interface.c

uclinux下mplayer的源码

/*
 * MPlayer GUI for Win32
 * Copyright (C) 2003 Sascha Sommer <[e-mail]>
 * Copyright (C) 2006 Erik Augustson <[e-mail]>
 * Copyright (C) 2006 Gianluigi Tiesi <[e-mail]>
 *
 * This file is part of MPlayer.
 *
 * MPlayer 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.
 *
 * MPlayer 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 MPlayer; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include <windows.h>

#include "interface.h"
#include "m_option.h"
#include "mixer.h"
#include "mp_msg.h"
#include "help_mp.h"
#include "codec-cfg.h"
#include "stream/stream.h"
#include "libmpdemux/demuxer.h"
#include "libmpdemux/stheader.h"
#ifdef USE_DVDREAD
#include "stream/stream_dvd.h"
#endif
#include "input/input.h"
#include "libvo/video_out.h"
#include "libao2/audio_out.h"
#include "access_mpcontext.h"
#include "gui.h"
#include "dialogs.h"
#include "wincfg.h"
#ifdef HAVE_LIBCDIO
#include <cdio/cdio.h>
#endif

extern int abs_seek_pos;
extern float rel_seek_secs;
extern int vcd_track;
extern af_cfg_t af_cfg;
int guiWinID = 0;

char *skinName = NULL;
char *codecname = NULL;
int mplGotoTheNext = 1;
static gui_t *mygui = NULL;
static int update_subwindow(void);
static RECT old_rect;
static DWORD style;
static HANDLE hThread;
static unsigned threadId;
ao_functions_t *audio_out = NULL;
vo_functions_t *video_out = NULL;
mixer_t *mixer = NULL;

/* test for playlist files, no need to specify -playlist on the commandline.
 * add any conceivable playlist extensions here.
 * - Erik
 */
int parse_filename(char *file, play_tree_t *playtree, m_config_t *mconfig, int clear)
{
    if(clear)
        mygui->playlist->clear_playlist(mygui->playlist);

    if(strstr(file, ".m3u") || strstr(file, ".pls"))
    {
        playtree = parse_playlist_file(file);
        import_playtree_playlist_into_gui(playtree, mconfig);
        return 1;
    }
    return 0;
}

/**
 * \brief this actually creates a new list containing only one element...
 */
void gaddlist( char ***list, const char *entry)
{
    int i;

    if (*list)
    {
        for (i=0; (*list)[i]; i++) free((*list)[i]);
        free(*list);
    }

    *list = malloc(2 * sizeof(char **));
    (*list)[0] = gstrdup(entry);
    (*list)[1] = NULL;
}

char *gstrdup(const char *str)
{
    if (!str) return NULL;
    return strdup(str);
}

/**
 * \brief this replaces a string starting with search by replace.
 * If not found, replace is appended.
 */
void greplace(char ***list, char *search, char *replace)
{
    int i = 0;
    int len = (search) ? strlen(search) : 0;

    if (*list)
    {
        for (i = 0; (*list)[i]; i++)
        {
            if (search && (!strncmp((*list)[i], search, len)))
            {
                free((*list)[i]);
                (*list)[i] = gstrdup(replace);
                return;
            }
        }
    *list = realloc(*list, (i + 2) * sizeof(char *));
    }
    else
        *list = malloc(2 * sizeof(char *));

    (*list)[i] = gstrdup(replace);
    (*list)[i + 1] = NULL;
}

/* this function gets called by the gui to update mplayer */
static void guiSetEvent(int event)
{
    if(guiIntfStruct.mpcontext)
        mixer = mpctx_get_mixer(guiIntfStruct.mpcontext);

    switch(event)
    {
        case evPlay:
        case evPlaySwitchToPause:
        case evPauseSwitchToPlay:
            mplPlay();
            break;
        case evPause:
            mplPause();
            break;
#ifdef USE_DVDREAD
        case evPlayDVD:
        {
            static char dvdname[MAX_PATH];
            guiIntfStruct.DVD.current_title = dvd_title;
            guiIntfStruct.DVD.current_chapter = dvd_chapter;
            guiIntfStruct.DVD.current_angle = dvd_angle;
            guiIntfStruct.DiskChanged = 1;

            mplSetFileName(NULL, dvd_device, STREAMTYPE_DVD);
            dvdname[0] = 0;
            strcat(dvdname, "DVD Movie");
            GetVolumeInformation(dvd_device, dvdname, MAX_PATH, NULL, NULL, NULL, NULL, 0);
            capitalize(dvdname);
            mp_msg(MSGT_GPLAYER, MSGL_V, "Opening DVD %s -> %s\n", dvd_device, dvdname);
            guiGetEvent(guiSetParameters, (char *) STREAMTYPE_DVD);
            mygui->playlist->clear_playlist(mygui->playlist);
            mygui->playlist->add_track(mygui->playlist, filename, NULL, dvdname, 0);
            mygui->startplay(mygui);
            break;
        }
#endif
#ifdef HAVE_LIBCDIO
        case evPlayCD:
        {
            int i;
            char track[10];
            char trackname[10];
            CdIo_t *p_cdio = cdio_open(NULL, DRIVER_UNKNOWN);
            track_t i_tracks;

            if(p_cdio == NULL) printf("Couldn't find a driver.\n");
            i_tracks = cdio_get_num_tracks(p_cdio);

            mygui->playlist->clear_playlist(mygui->playlist);
            for(i=0;i<i_tracks;i++)
            {
                sprintf(track, "cdda://%d", i+1);
                sprintf(trackname, "Track %d", i+1);
                mygui->playlist->add_track(mygui->playlist, track, NULL, trackname, 0);
            }
            cdio_destroy(p_cdio);
            mygui->startplay(mygui);
            break;
        }
#endif
        case evFullScreen:
            mp_input_queue_cmd(mp_input_parse_cmd("vo_fullscreen"));
            break;
        case evExit:
        {
            /* We are asking mplayer to exit, later it will ask us after uninit is made
               this should be the only safe way to quit */
            mygui->activewidget = NULL;
            mp_input_queue_cmd(mp_input_parse_cmd("quit"));
            break;
        }
        case evStop:
            if(guiIntfStruct.Playing)
                guiGetEvent(guiCEvent, (void *) guiSetStop);
            break;
        case evSetMoviePosition:
        {
            rel_seek_secs = guiIntfStruct.Position / 100.0f;
            abs_seek_pos = 3;
            break;
        }
        case evForward10sec:
        {
            rel_seek_secs = 10.0f;
            abs_seek_pos = 0;
            break;
        }
        case evBackward10sec:
        {
            rel_seek_secs = -10.0f;
            abs_seek_pos = 0;
            break;
        }
        case evSetBalance:
        case evSetVolume:
        {
            float l,r;

            if (guiIntfStruct.Playing == 0)
                break;

            if (guiIntfStruct.Balance == 50.0f)
                mixer_setvolume(mixer, guiIntfStruct.Volume, guiIntfStruct.Volume);

            l = guiIntfStruct.Volume * ((100.0f - guiIntfStruct.Balance) / 50.0f);
            r = guiIntfStruct.Volume * ((guiIntfStruct.Balance) / 50.0f);

            if (l > guiIntfStruct.Volume) l=guiIntfStruct.Volume;
            if (r > guiIntfStruct.Volume) r=guiIntfStruct.Volume;
            mixer_setvolume(mixer, l, r);
            /* Check for balance support on mixer - there is a better way ?? */
            if (r != l)
            {
                mixer_getvolume(mixer, &l, &r);
                if (r == l)
                {
                    mp_msg(MSGT_GPLAYER, MSGL_V, "[GUI] Mixer doesn't support balanced audio\n");
                    mixer_setvolume(mixer, guiIntfStruct.Volume, guiIntfStruct.Volume);
                    guiIntfStruct.Balance = 50.0f;
                }
            }
            break;
        }
        case evMute:
        {
            mp_cmd_t * cmd = calloc(1, sizeof(*cmd));
            cmd->id=MP_CMD_MUTE;
            cmd->name=strdup("mute");
            mp_input_queue_cmd(cmd);
            break;
        }
        case evDropFile:
        case evLoadPlay:
        {
            switch(guiIntfStruct.StreamType)
            {
#ifdef USE_DVDREAD
                case STREAMTYPE_DVD:
                {
                    guiIntfStruct.Title = guiIntfStruct.DVD.current_title;
                    guiIntfStruct.Chapter = guiIntfStruct.DVD.current_chapter;
                    guiIntfStruct.Angle = guiIntfStruct.DVD.current_angle;
                    guiIntfStruct.DiskChanged = 1;
                    guiGetEvent(guiCEvent, (void *) guiSetPlay);
                    break;
                }
#endif
                default:
                {
                    guiIntfStruct.FilenameChanged = guiIntfStruct.NewPlay = 1;
                    update_playlistwindow();
                    mplGotoTheNext = guiIntfStruct.Playing? 0 : 1;
                    guiGetEvent(guiCEvent, (void *) guiSetStop);
                    guiGetEvent(guiCEvent, (void *) guiSetPlay);
                    break;
               }
           }
           break;
        }
        case evNext:
            mplNext();
            break;
        case evPrev:
            mplPrev();
            break;
    }
}

void mplPlay( void )
{
   if((!guiIntfStruct.Filename ) || (guiIntfStruct.Filename[0] == 0))
     return;

   if(guiIntfStruct.Playing > 0)
   {
       mplPause();
       return;
   }
   guiIntfStruct.NewPlay = 1;
   guiGetEvent(guiCEvent, (void *) guiSetPlay);
}

void mplPause( void )
{
   if(!guiIntfStruct.Playing) return;

   if(guiIntfStruct.Playing == 1)
   {
       mp_cmd_t * cmd = calloc(1, sizeof(*cmd));
       cmd->id=MP_CMD_PAUSE;
       cmd->name=strdup("pause");
       mp_input_queue_cmd(cmd);
   } else guiIntfStruct.Playing = 1;
}

void mplNext(void)
{
    if(guiIntfStruct.Playing == 2) return;
    switch(guiIntfStruct.StreamType)
    {
#ifdef USE_DVDREAD
        case STREAMTYPE_DVD:
            if(guiIntfStruct.DVD.current_chapter == (guiIntfStruct.DVD.chapters - 1))
                return;
            guiIntfStruct.DVD.current_chapter++;
            break;
#endif
        default:
            if(mygui->playlist->current == (mygui->playlist->trackcount - 1))
                return;
            mplSetFileName(NULL, mygui->playlist->tracks[(mygui->playlist->current)++]->filename,
                           STREAMTYPE_STREAM);
            break;
    }
    mygui->startplay(mygui);
}

void mplPrev(void)
{
    if(guiIntfStruct.Playing == 2) return;
    switch(guiIntfStruct.StreamType)
    {
#ifdef USE_DVDREAD
        case STREAMTYPE_DVD:
            if(guiIntfStruct.DVD.current_chapter == 1)
                return;
            guiIntfStruct.DVD.current_chapter--;
            break;
#endif
        default:
            if(mygui->playlist->current == 0)
                return;
            mplSetFileName(NULL, mygui->playlist->tracks[(mygui->playlist->current)--]->filename,
                           STREAMTYPE_STREAM);
            break;
    }
    mygui->startplay(mygui);
}

void mplEnd( void )
{
    if(!mplGotoTheNext && guiIntfStruct.Playing)
    {
        mplGotoTheNext = 1;
        return;
    }

    if(mplGotoTheNext && guiIntfStruct.Playing &&
      (mygui->playlist->current < (mygui->playlist->trackcount - 1)) &&
      guiIntfStruct.StreamType != STREAMTYPE_DVD &&
      guiIntfStruct.StreamType != STREAMTYPE_DVDNAV)
    {
        /* we've finished this file, reset the aspect */
        if(movie_aspect >= 0)
            movie_aspect = -1;

        mplGotoTheNext = guiIntfStruct.FilenameChanged = guiIntfStruct.NewPlay = 1;
        mplSetFileName(NULL, mygui->playlist->tracks[(mygui->playlist->current)++]->filename, STREAMTYPE_STREAM);
        //sprintf(guiIntfStruct.Filename, mygui->playlist->tracks[(mygui->playlist->current)++]->filename);
    }

    if(guiIntfStruct.FilenameChanged && guiIntfStruct.NewPlay)
        return;

    guiIntfStruct.TimeSec = 0;
    guiIntfStruct.Position = 0;
    guiIntfStruct.AudioType = 0;

#ifdef USE_DVDREAD
    guiIntfStruct.DVD.current_title = 1;
    guiIntfStruct.DVD.current_chapter = 1;
    guiIntfStruct.DVD.current_angle = 1;
#endif

    if (mygui->playlist->current == (mygui->playlist->trackcount - 1))
        mygui->playlist->current = 0;

    fullscreen = 0;
    if(style == WS_VISIBLE | WS_POPUP)
    {
        style = WS_OVERLAPPEDWINDOW | WS_SIZEBOX;
        SetWindowLong(mygui->subwindow, GWL_STYLE, style);
    }
    guiGetEvent(guiCEvent, (void *) guiSetStop);
}

void mplSetFileName(char *dir, char *name, int type)
{
    if(!name) return;
    if(!dir)
        guiSetFilename(guiIntfStruct.Filename, name)
    else
        guiSetDF(guiIntfStruct.Filename, dir, name);

    guiIntfStruct.StreamType = type;
    free((void **) &guiIntfStruct.AudioFile);
    free((void **) &guiIntfStruct.Subtitlename);
}

void mplFullScreen( void )
{
    if(!guiIntfStruct.sh_video) return;

    if(sub_window)
    {
        if(!fullscreen && IsWindowVisible(mygui->subwindow) && !IsIconic(mygui->subwindow))
           GetWindowRect(mygui->subwindow, &old_rect);

        if(fullscreen)
        {
            fullscreen = 0;
            style = WS_OVERLAPPEDWINDOW | WS_SIZEBOX;
        } else {
            fullscreen = 1;
            style = WS_VISIBLE | WS_POPUP;
        }
        SetWindowLong(mygui->subwindow, GWL_STYLE, style);
        update_subwindow();
    }
    video_out->control(VOCTRL_FULLSCREEN, 0);
    if(sub_window) ShowWindow(mygui->subwindow, SW_SHOW);
}

static unsigned __stdcall GuiThread(void* param)
{
    MSG msg;

    if(!skinName) skinName = strdup("Blue");
    if(!mygui) mygui = create_gui(get_path("skins"), skinName, guiSetEvent);
    if(!mygui) exit_player("Unable to load GUI.");

    if(autosync && autosync != gtkAutoSync)
    {
       gtkAutoSyncOn = 1;
       gtkAutoSync = autosync;