MPlayer fixed DVDNAV patch (2006.01.21)

MPlayer DVDNAV patch

mplayer-dvdnav-patch.tar.gz (75 kbyte)

or

stream_dvdnav.c (213 kbyte)
stream_dvdnav.h (47 kbyte)
navmplayer.patch (54 kbyte)
navgui.patch (17 kbyte)
dvdnav.txt (7 kbyte)

MPlayer DVDNAV patch - Remarks

Implemented:

  • You choose the title with parameters that it will play (eg. mplayer dvdnav://1)
  • dvdnav stream can open in other device
    (using: "-dvd-device" options)
  • dvdnav is using libmpdvdkit2 (CSS)
  • You can set the nav menu language
    (using: "-mlang" options)
  • it drawes the menu button with simple light box
    (using: "-dvdnav-menutype 1" or "-dvdnav-menutype 2" options)
  • it drawes the menu button with spu (partially)
    (using: "-dvdnav-menutype 0" or "-dvdnav-menutype 2" options)
  • selection the subtitle language with "vobsub_lang" command ('j')
  • the still frame works too (partially)
  • waiting time length at still frame event
  • the nav menu settings can be used to (partially)
    (settings: audio and subtitle language)
  • can be used with gmplayer
    (using: "Open... -> Play DVDNAV..." or "DVDNAV -> Open disc...")
  • menu selection can be used with mouse in gmplayer (partially)
  • root menu selection can be used with gmplayer
    (using: "DVDNAV -> Main menu")
  • audio language selection can be used in gmplayer
    (using: "DVDNAV -> Audio languages -> xxx")
  • subtitle language selection can be used in gmplayer
    (using: "DVDNAV -> Subtitle languages -> xxx")
  • the query of the time length of title stream


Not implemented:

  • the skip of the first play domain
  • color spu menu button
  • the activation event of the menu button showing
  • the selection of the angle with parameters
  • the selection of the angle with nav menu
  • dvdnav using with "-indentify" parameters
  • chache using
  • in the spudec_draw_scaled() the nav button spu of the resizing
  • You can set the dvdnav audio and subtitle language.
    (using: "-alang" and "-slang" options)
  • You choose the chapter with parameters that it will play.
    (using: "-chapter" options)

Known BUGs:

  • from playing of the vts domain returned the stream time length not clear
  • the display of the SPU menu isn't correct color
  • at some menus if the processing of the stream is unsuccesful then knocing sound can be heard sometimes
  • ...

Installing the MPlayer dvdnav patch:

  1. Copy stream_dvdnav.c & stream_dvdnav.h files to libmpdemux directory
  2. patch mplayer with navmplayer.patch file
  3. optional Gui: patch with navgui.patch file
  4. reconfigure with ./configure --enable-dvdnav ...

New options:

  • -mlang select DVD menu language (by 2-char country code)
  • -dvdnav-menutype set DVD menu button type: 0: spu, 1: simple box, 2: spu & simple box
  • -dvdnav-trace if the build is done with USE_MPDVDNAV_TRACE (--enable-dvdnav-trace) option then the mplayer printers the libdvdnav trace messages

New libdvdnav functions:

  • dvdnav_status_t dvdnav_get_audio_attr(dvdnav_t *this, uint8_t audio_mum, audio_attr_t *audio_attr);
  • dvdnav_status_t dvdnav_get_spu_attr(dvdnav_t *this, uint8_t audio_mum, subp_attr_t *subp_attr);
  • dvdnav_status_t dvdnav_wait_still_clear(dvdnav_t *self);
  • dvdnav_status_t dvdnav_is_still_cell(dvdnav_t *self, int *flag);
  • dvdnav_status_t dvdnav_get_pgc(dvdnav_t *self, int *pg_num);
  • dvdnav_status_t dvdnav_button_select_auto_action(dvdnav_t *self, int mode);
  • dvdnav_status_t dvdnav_get_audio_attr(dvdnav_t *self, uint8_t audio_mum, audio_attr_t *audio_attr);
  • dvdnav_status_t dvdnav_get_spu_attr(dvdnav_t *self, uint8_t audio_mum, subp_attr_t *subp_attr); Get audio_attr and subp_attr with language code, audio format determination.
    All printf(STDOUT, ... ) was converted into mp_msg(MSGT_CPLAYER,MSGL_INFO, ... )
    All printerr( ... ) was converted into mp_msg(MSGT_CPLAYER,MSGL_ERR, ... )
    All dprintf( ... ) was converted into mp_msg(MSGT_CPLAYER,MSGL_DB2, ... )

Main modifications:

    #ifdef USE_MPDVDNAV
    ...
    #else
    ...
    #endif
    or
    #ifndef USE_MPDVDNAV
    ...
    #endif
  • libmpdemux/demuxec.c:
    If stream eof (DVDNAV_STILL_FRAME) or "Too many audio/video packets in the buffer..." not problem then
    stream->type=STERAMTYPE_DVDNAV: no message, but return with eof.
  • spudec.c:
    spudec_handle_t structure expansion with nav menu part image and parameters
    spudec_process_data() nav menu is set then using nav button palette (packet->alpha and packet->palette)
    int spudec_dvdnav_menu_box(void *this) cut nav button area with only button area draw to display
  • libvo/sub.c:
    OSDTYPE_DVDNAV new type with show simple light box in nav button area
    libmpcodecs/dec_video.c:
    new function (replaced decode_video function) decode_video_still:
    int decode_video_still(sh_video_t *sh_video,unsigned char *start,int in_size,int drop_frame,int enable_still)
    If enable_still and in_size<0 then draw stored frame image in (mp_image_t) smpi.
    If enable_still and in_size>0 and correct decode frame image then store image in (mp_image_t) smpi.
    (It will use copy_mpi() or other solution?)
  • mplayer.c:
    uninit_player() if set dvdnav_continue_play then not close stream and vo.
    main() play video (decode a frame) if eof video_read_frame() call decode_video_still and continue.
    main() after key events dvdnav event processing code:
    get event in dvdnav_priv->stream_dvdnav_event_t structure
    processing:
    if cell_change and new title then set dvdnav_continue_play and goto_next_file.
    clear dvdnav_priv->stream_dvdnav_event_t structure
  • Gui/interface.c:
    guiIntfStruct.DVDNAV settings by dvdnav_priv
  • Gui/mplayer/mw.c:
    evSetDVDNAVSubtitle: set dvdsub_id, dvdnav_go_spu and then it doesn't reopen stream
    evSetDVDNAVAudio: set audio_id, dvdnav_go_audio and then it doesn't reopen stream
    evSetDVDNAVChapter: set dvdnav_go_part and then it doesn't reopen stream
    evSetDVDNAVTitle: set dvdnav_go_title and then it doesn't reopen stream
    evMenuDVDNAV: set dvdnav_go_menu and then it doesn't reopen stream
    dvdnav_go_... will be processed by dvdnav event handler in mplayer.c
  • Gui/mplayer/sw.c:
    store's window size in dvdnav_window_width and dvdnav_window_height
    store's mouse position in dvdnav_mouse_x and dvdnav_mouse_y
    store's mouse button event in dvdnav_mouse_button
    dvdnav_window_... and dvdnav_mouse_... will be processed by dvdnav_mouse() in dvdnav_stream.c
  • Gui/mplayer/gtk/menu.c:
    Creates DVDNAVSubMenu just like DVDSubMenu, but addes a new item it's "Main menu" too.

Useful links:

I am sorry to say that my English knowledge isn't good.

Best regards! Ötvös Attila (Attila, Ötvös).

2006.01.21