/* GStreamer * Copyright (C) 2002 David I. Lehn * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include #include #include #include #include #include #include #define GST_TYPE_DVDNAVSRC \ (dvdnavsrc_get_type()) #define DVDNAVSRC(obj) \ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DVDNAVSRC,DVDNavSrc)) #define DVDNAVSRC_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DVDNAVSRC,DVDNavSrcClass)) #define GST_IS_DVDNAVSRC(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DVDNAVSRC)) #define GST_IS_DVDNAVSRC_CLASS(obj) \ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DVDNAVSRC)) typedef struct _DVDNavSrc DVDNavSrc; typedef struct _DVDNavSrcClass DVDNavSrcClass; struct _DVDNavSrc { GstElement element; /* pads */ GstPad *srcpad; GstCaps *streaminfo; /* location */ gchar *location; gboolean did_seek; gboolean need_flush; GstBufferPool *bufferpool; int title, chapter, angle; dvdnav_t *dvdnav; GstCaps *buttoninfo; }; struct _DVDNavSrcClass { GstElementClass parent_class; void (*button_pressed) (DVDNavSrc *src, int button); void (*pointer_select) (DVDNavSrc *src, int x, int y); void (*pointer_activate) (DVDNavSrc *src, int x, int y); void (*user_op) (DVDNavSrc *src, int op); }; /* elementfactory information */ GstElementDetails dvdnavsrc_details = { "DVD Source", "Source/File/DVD", "Access a DVD with navigation features using libdvdnav", "David I. Lehn ", }; /* DVDNavSrc signals and args */ enum { BUTTON_PRESSED_SIGNAL, POINTER_SELECT_SIGNAL, POINTER_ACTIVATE_SIGNAL, USER_OP_SIGNAL, LAST_SIGNAL }; enum { ARG_0, ARG_LOCATION, ARG_STREAMINFO, ARG_BUTTONINFO, ARG_TITLE_STRING, ARG_TITLE, ARG_CHAPTER, ARG_ANGLE }; typedef enum { DVDNAVSRC_OPEN = GST_ELEMENT_FLAG_LAST, DVDNAVSRC_FLAG_LAST = GST_ELEMENT_FLAG_LAST+2, } DVDNavSrcFlags; GType dvdnavsrc_get_type (void); static void dvdnavsrc_base_init (gpointer g_class); static void dvdnavsrc_class_init (DVDNavSrcClass *klass); static void dvdnavsrc_init (DVDNavSrc *dvdnavsrc); static void dvdnavsrc_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); static void dvdnavsrc_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); static GstData * dvdnavsrc_get (GstPad *pad); /*static GstBuffer * dvdnavsrc_get_region (GstPad *pad,gulong offset,gulong size); */ static gboolean dvdnavsrc_event (GstPad *pad, GstEvent *event); static const GstEventMask* dvdnavsrc_get_event_mask (GstPad *pad); static const GstFormat* dvdnavsrc_get_formats (GstPad *pad); /*static gboolean dvdnavsrc_convert (GstPad *pad, GstFormat src_format, gint64 src_value, GstFormat *dest_format, gint64 *dest_value);*/ static gboolean dvdnavsrc_query (GstPad *pad, GstQueryType type, GstFormat *format, gint64 *value); static const GstQueryType* dvdnavsrc_get_query_types (GstPad *pad); static gboolean dvdnavsrc_close (DVDNavSrc *src); static gboolean dvdnavsrc_open (DVDNavSrc *src); static gboolean dvdnavsrc_is_open (DVDNavSrc *src); static void dvdnavsrc_print_event (DVDNavSrc *src, guint8 *data, int event, int len); static void dvdnavsrc_update_streaminfo (DVDNavSrc *src); static void dvdnavsrc_update_buttoninfo (DVDNavSrc *src); static void dvdnavsrc_button_pressed (DVDNavSrc *src, int button); static void dvdnavsrc_pointer_select (DVDNavSrc *src, int x, int y); static void dvdnavsrc_pointer_activate (DVDNavSrc *src, int x, int y); static void dvdnavsrc_user_op (DVDNavSrc *src, int op); static GstElementStateReturn dvdnavsrc_change_state (GstElement *element); static GstElementClass *parent_class = NULL; static guint dvdnavsrc_signals[LAST_SIGNAL] = { 0 }; static GstFormat sector_format; static GstFormat title_format; static GstFormat chapter_format; static GstFormat angle_format; GType dvdnavsrc_get_type (void) { static GType dvdnavsrc_type = 0; if (!dvdnavsrc_type) { static const GTypeInfo dvdnavsrc_info = { sizeof(DVDNavSrcClass), dvdnavsrc_base_init, NULL, (GClassInitFunc)dvdnavsrc_class_init, NULL, NULL, sizeof(DVDNavSrc), 0, (GInstanceInitFunc)dvdnavsrc_init, }; dvdnavsrc_type = g_type_register_static (GST_TYPE_ELEMENT, "DVDNavSrc", &dvdnavsrc_info, 0); sector_format = gst_format_register ("sector", "DVD sector"); title_format = gst_format_register ("title", "DVD title"); chapter_format = gst_format_register ("chapter", "DVD chapter"); angle_format = gst_format_register ("angle", "DVD angle"); } return dvdnavsrc_type; } static void dvdnavsrc_base_init (gpointer g_class) { GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); gst_element_class_set_details (element_class, &dvdnavsrc_details); } static void dvdnavsrc_class_init (DVDNavSrcClass *klass) { GObjectClass *gobject_class; GstElementClass *gstelement_class; gobject_class = (GObjectClass*)klass; gstelement_class = (GstElementClass*)klass; parent_class = g_type_class_ref (GST_TYPE_ELEMENT); dvdnavsrc_signals[BUTTON_PRESSED_SIGNAL] = g_signal_new ("button_pressed", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (DVDNavSrcClass, button_pressed), NULL, NULL, gst_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT); dvdnavsrc_signals[POINTER_SELECT_SIGNAL] = g_signal_new ("pointer_select", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (DVDNavSrcClass, pointer_select), NULL, NULL, gst_marshal_VOID__INT_INT, G_TYPE_NONE, 2, G_TYPE_INT, G_TYPE_INT); dvdnavsrc_signals[POINTER_ACTIVATE_SIGNAL] = g_signal_new ("pointer_activate", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (DVDNavSrcClass, pointer_activate), NULL, NULL, gst_marshal_VOID__INT_INT, G_TYPE_NONE, 2, G_TYPE_INT, G_TYPE_INT); dvdnavsrc_signals[USER_OP_SIGNAL] = g_signal_new ("user_op", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (DVDNavSrcClass, user_op), NULL, NULL, gst_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT); klass->button_pressed = dvdnavsrc_button_pressed; klass->pointer_select = dvdnavsrc_pointer_select; klass->pointer_activate = dvdnavsrc_pointer_activate; klass->user_op = dvdnavsrc_user_op; g_object_class_install_property(gobject_class, ARG_LOCATION, g_param_spec_string("location", "location", "location", NULL, G_PARAM_READWRITE)); g_object_class_install_property(gobject_class, ARG_TITLE_STRING, g_param_spec_string("title_string", "title string", "DVD title string", NULL, G_PARAM_READABLE)); g_object_class_install_property(gobject_class, ARG_TITLE, g_param_spec_int("title", "title", "title", 0,99,1,G_PARAM_READWRITE)); g_object_class_install_property(gobject_class, ARG_CHAPTER, g_param_spec_int("chapter", "chapter", "chapter", 1,99,1,G_PARAM_READWRITE)); g_object_class_install_property(gobject_class, ARG_ANGLE, g_param_spec_int("angle", "angle", "angle", 1,9,1,G_PARAM_READWRITE)); g_object_class_install_property(gobject_class, ARG_STREAMINFO, g_param_spec_boxed("streaminfo", "streaminfo", "streaminfo", GST_TYPE_CAPS, G_PARAM_READABLE)); g_object_class_install_property(gobject_class, ARG_BUTTONINFO, g_param_spec_boxed("buttoninfo", "buttoninfo", "buttoninfo", GST_TYPE_CAPS, G_PARAM_READABLE)); gobject_class->set_property = GST_DEBUG_FUNCPTR(dvdnavsrc_set_property); gobject_class->get_property = GST_DEBUG_FUNCPTR(dvdnavsrc_get_property); gstelement_class->change_state = dvdnavsrc_change_state; } static void dvdnavsrc_init (DVDNavSrc *src) { src->srcpad = gst_pad_new ("src", GST_PAD_SRC); gst_pad_set_get_function (src->srcpad, dvdnavsrc_get); gst_pad_set_event_function (src->srcpad, dvdnavsrc_event); gst_pad_set_event_mask_function (src->srcpad, dvdnavsrc_get_event_mask); /*gst_pad_set_convert_function (src->srcpad, dvdnavsrc_convert);*/ gst_pad_set_query_function (src->srcpad, dvdnavsrc_query); gst_pad_set_query_type_function (src->srcpad, dvdnavsrc_get_query_types); gst_pad_set_formats_function (src->srcpad, dvdnavsrc_get_formats); gst_element_add_pad (GST_ELEMENT (src), src->srcpad); src->bufferpool = gst_buffer_pool_get_default (DVD_VIDEO_LB_LEN, 2); src->location = g_strdup("/dev/dvd"); src->did_seek = FALSE; src->need_flush = FALSE; src->title = 0; src->chapter = 0; src->angle = 1; src->streaminfo = NULL; src->buttoninfo = NULL; } /* FIXME: this code is not being used */ #ifdef PLEASEFIXTHISCODE static void dvdnavsrc_destroy (DVDNavSrc *dvdnavsrc) { /* FIXME */ g_print("FIXME\n"); gst_buffer_pool_destroy (dvdnavsrc->bufferpool); } #endif static gboolean dvdnavsrc_is_open (DVDNavSrc *src) { g_return_val_if_fail (src != NULL, FALSE); g_return_val_if_fail (GST_IS_DVDNAVSRC (src), FALSE); return GST_FLAG_IS_SET (src, DVDNAVSRC_OPEN); } static void dvdnavsrc_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { DVDNavSrc *src; /* it's not null if we got it, but it might not be ours */ g_return_if_fail (GST_IS_DVDNAVSRC (object)); src = DVDNAVSRC (object); switch (prop_id) { case ARG_LOCATION: /* the element must be stopped in order to do this */ /*g_return_if_fail(!GST_FLAG_IS_SET(src,GST_STATE_RUNNING)); */ if (src->location) g_free (src->location); /* clear the filename if we get a NULL (is that possible?) */ if (g_value_get_string (value) == NULL) src->location = g_strdup("/dev/dvd"); /* otherwise set the new filename */ else src->location = g_strdup (g_value_get_string (value)); break; case ARG_TITLE: src->title = g_value_get_int (value); src->did_seek = TRUE; break; case ARG_CHAPTER: src->chapter = g_value_get_int (value); src->did_seek = TRUE; break; case ARG_ANGLE: src->angle = g_value_get_int (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void dvdnavsrc_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { DVDNavSrc *src; const char *title_string; /* it's not null if we got it, but it might not be ours */ g_return_if_fail (GST_IS_DVDNAVSRC (object)); src = DVDNAVSRC (object); switch (prop_id) { case ARG_LOCATION: g_value_set_string (value, src->location); break; case ARG_STREAMINFO: g_value_set_boxed (value, src->streaminfo); break; case ARG_BUTTONINFO: g_value_set_boxed (value, src->buttoninfo); break; case ARG_TITLE_STRING: if (!dvdnavsrc_is_open(src)) { g_value_set_string (value, ""); } else if (dvdnav_get_title_string(src->dvdnav, &title_string) != DVDNAV_STATUS_OK) { g_value_set_string (value, "UNKNOWN"); } else { g_value_set_string (value, title_string); } break; case ARG_TITLE: g_value_set_int (value, src->title); break; case ARG_CHAPTER: g_value_set_int (value, src->chapter); break; case ARG_ANGLE: g_value_set_int (value, src->angle); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static gboolean dvdnavsrc_tca_seek(DVDNavSrc *src, int title, int chapter, int angle) { int titles, programs, curangle, angles; g_return_val_if_fail (src != NULL, FALSE); g_return_val_if_fail (src->dvdnav != NULL, FALSE); g_return_val_if_fail (dvdnavsrc_is_open (src), FALSE); /* Dont try to seek to track 0 - First Play program chain */ g_return_val_if_fail (src->title > 0, FALSE); fprintf (stderr, "dvdnav: seeking to %d/%d/%d\n", title, chapter, angle); /** * Make sure our title number is valid. */ if (dvdnav_get_number_of_titles (src->dvdnav, &titles) != DVDNAV_STATUS_OK) { fprintf (stderr, "dvdnav_get_number_of_titles error: %s\n", dvdnav_err_to_string(src->dvdnav)); return FALSE; } fprintf (stderr, "There are %d titles on this DVD.\n", titles); if (title < 1 || title > titles) { fprintf (stderr, "Invalid title %d.\n", title); dvdnavsrc_close (src); return FALSE; } /** * Before we can get the number of chapters (programs) we need to call * dvdnav_title_play so that dvdnav_get_number_of_programs knows which title * to operate on (also needed to get the number of angles) */ if (dvdnav_title_play (src->dvdnav, title) != DVDNAV_STATUS_OK) { fprintf (stderr, "dvdnav_title_play error: %s\n", dvdnav_err_to_string(src->dvdnav)); return FALSE; } /** * Make sure the chapter number is valid for this title. */ if (dvdnav_get_number_of_titles (src->dvdnav, &programs) != DVDNAV_STATUS_OK) { fprintf( stderr, "dvdnav_get_number_of_programs error: %s\n", dvdnav_err_to_string(src->dvdnav)); return FALSE; } fprintf (stderr, "There are %d chapters in this title.\n", programs); if (chapter < 0 || chapter > programs) { fprintf (stderr, "Invalid chapter %d\n", chapter); dvdnavsrc_close (src); return FALSE; } /** * Make sure the angle number is valid for this title. */ if (dvdnav_get_angle_info (src->dvdnav, &curangle, &angles) != DVDNAV_STATUS_OK) { fprintf (stderr, "dvdnav_get_angle_info error: %s\n", dvdnav_err_to_string(src->dvdnav)); return FALSE; } fprintf (stderr, "There are %d angles in this title.\n", angles); if( angle < 1 || angle > angles) { fprintf (stderr, "Invalid angle %d\n", angle); dvdnavsrc_close (src); return FALSE; } /** * We've got enough info, time to open the title set data. */ if (src->chapter == 0) { if (dvdnav_title_play (src->dvdnav, title) != DVDNAV_STATUS_OK) { fprintf (stderr, "dvdnav_title_play error: %s\n", dvdnav_err_to_string(src->dvdnav)); return FALSE; } } else { if (dvdnav_part_play (src->dvdnav, title, chapter) != DVDNAV_STATUS_OK) { fprintf (stderr, "dvdnav_part_play error: %s\n", dvdnav_err_to_string(src->dvdnav)); return FALSE; } } if (dvdnav_angle_change (src->dvdnav, angle) != DVDNAV_STATUS_OK) { fprintf (stderr, "dvdnav_angle_change error: %s\n", dvdnav_err_to_string(src->dvdnav)); return FALSE; } /* if (dvdnav_physical_audio_stream_change (src->dvdnav, 0) != DVDNAV_STATUS_OK) { fprintf (stderr, "dvdnav_physical_audio_stream_change error: %s\n", dvdnav_err_to_string(src->dvdnav)); return FALSE; } if (dvdnav_logical_audio_stream_change (src->dvdnav, 0) != DVDNAV_STATUS_OK) { fprintf (stderr, "dvdnav_logical_audio_stream_change error: %s\n", dvdnav_err_to_string(src->dvdnav)); return FALSE; } */ src->did_seek = TRUE; return TRUE; } static void dvdnavsrc_update_streaminfo (DVDNavSrc *src) { GstCaps *caps; GstProps *props; GstPropsEntry *entry; gint64 value; props = gst_props_empty_new (); /* entry = gst_props_entry_new ("title_string", GST_PROPS_STRING ("")); gst_props_add_entry (props, entry); */ if (dvdnavsrc_query(src->srcpad, GST_QUERY_TOTAL, &title_format, &value)) { entry = gst_props_entry_new ("titles", GST_PROPS_INT (value)); gst_props_add_entry (props, entry); } if (dvdnavsrc_query(src->srcpad, GST_QUERY_POSITION, &title_format, &value)) { entry = gst_props_entry_new ("title", GST_PROPS_INT (value)); gst_props_add_entry (props, entry); } if (dvdnavsrc_query(src->srcpad, GST_QUERY_TOTAL, &chapter_format, &value)) { entry = gst_props_entry_new ("chapters", GST_PROPS_INT (value)); gst_props_add_entry (props, entry); } if (dvdnavsrc_query(src->srcpad, GST_QUERY_POSITION, &chapter_format, &value)) { entry = gst_props_entry_new ("chapter", GST_PROPS_INT (value)); gst_props_add_entry (props, entry); } if (dvdnavsrc_query(src->srcpad, GST_QUERY_TOTAL, &angle_format, &value)) { entry = gst_props_entry_new ("angles", GST_PROPS_INT (value)); gst_props_add_entry (props, entry); } if (dvdnavsrc_query(src->srcpad, GST_QUERY_POSITION, &angle_format, &value)) { entry = gst_props_entry_new ("angle", GST_PROPS_INT (value)); gst_props_add_entry (props, entry); } caps = gst_caps_new ("dvdnavsrc_streaminfo", "application/x-gst-streaminfo", props); if (src->streaminfo) { gst_caps_unref (src->streaminfo); } src->streaminfo = caps; g_object_notify (G_OBJECT (src), "streaminfo"); } static void dvdnavsrc_update_buttoninfo (DVDNavSrc *src) { GstCaps *caps; GstProps *props; GstPropsEntry *entry; pci_t *pci; pci = dvdnav_get_current_nav_pci(src->dvdnav); fprintf(stderr, "update button info total:%d\n", pci->hli.hl_gi.btn_ns); props = gst_props_empty_new (); entry = gst_props_entry_new ("total", GST_PROPS_INT (pci->hli.hl_gi.btn_ns)); gst_props_add_entry (props, entry); caps = gst_caps_new ("dvdnavsrc_buttoninfo", "application/x-gst-dvdnavsrc-buttoninfo", props); if (src->buttoninfo) { gst_caps_unref (src->buttoninfo); } src->buttoninfo = caps; g_object_notify (G_OBJECT (src), "buttoninfo"); } static void dvdnavsrc_button_pressed (DVDNavSrc *src, int button) { } static void dvdnavsrc_pointer_select (DVDNavSrc *src, int x, int y) { dvdnav_mouse_select(src->dvdnav, dvdnav_get_current_nav_pci(src->dvdnav), x, y); } static void dvdnavsrc_pointer_activate (DVDNavSrc *src, int x, int y) { dvdnav_mouse_activate(src->dvdnav, dvdnav_get_current_nav_pci(src->dvdnav), x, y); } static void dvdnavsrc_user_op (DVDNavSrc *src, int op) { pci_t *pci = dvdnav_get_current_nav_pci(src->dvdnav); fprintf (stderr, "user_op %d\n", op); /* Magic user_op ids */ switch (op) { case 0: /* None */ break; case 1: /* Upper */ if (dvdnav_upper_button_select(src->dvdnav, pci) != DVDNAV_STATUS_OK) { goto naverr; } break; case 2: /* Lower */ if (dvdnav_lower_button_select(src->dvdnav, pci) != DVDNAV_STATUS_OK) { goto naverr; } break; case 3: /* Left */ if (dvdnav_left_button_select(src->dvdnav, pci) != DVDNAV_STATUS_OK) { goto naverr; } break; case 4: /* Right */ if (dvdnav_right_button_select(src->dvdnav, pci) != DVDNAV_STATUS_OK) { goto naverr; } break; case 5: /* Activate */ if (dvdnav_button_activate(src->dvdnav, pci) != DVDNAV_STATUS_OK) { goto naverr; } break; case 6: /* GoUp */ if (dvdnav_go_up(src->dvdnav) != DVDNAV_STATUS_OK) { goto naverr; } break; case 7: /* TopPG */ if (dvdnav_top_pg_search(src->dvdnav) != DVDNAV_STATUS_OK) { goto naverr; } break; case 8: /* PrevPG */ if (dvdnav_prev_pg_search(src->dvdnav) != DVDNAV_STATUS_OK) { goto naverr; } break; case 9: /* NextPG */ if (dvdnav_next_pg_search(src->dvdnav) != DVDNAV_STATUS_OK) { goto naverr; } break; case 10: /* Menu - Title */ if (dvdnav_menu_call(src->dvdnav, DVD_MENU_Title) != DVDNAV_STATUS_OK) { goto naverr; } break; case 11: /* Menu - Root */ if (dvdnav_menu_call(src->dvdnav, DVD_MENU_Root) != DVDNAV_STATUS_OK) { goto naverr; } break; case 12: /* Menu - Subpicture */ if (dvdnav_menu_call(src->dvdnav, DVD_MENU_Subpicture) != DVDNAV_STATUS_OK) { goto naverr; } break; case 13: /* Menu - Audio */ if (dvdnav_menu_call(src->dvdnav, DVD_MENU_Audio) != DVDNAV_STATUS_OK) { goto naverr; } break; case 14: /* Menu - Angle */ if (dvdnav_menu_call(src->dvdnav, DVD_MENU_Angle) != DVDNAV_STATUS_OK) { goto naverr; } break; case 15: /* Menu - Part */ if (dvdnav_menu_call(src->dvdnav, DVD_MENU_Part) != DVDNAV_STATUS_OK) { goto naverr; } break; } return; naverr: gst_element_error(GST_ELEMENT(src), "user op %d failure: %d", op, dvdnav_err_to_string(src->dvdnav)); } static gchar * dvdnav_get_event_name(int event) { switch (event) { case DVDNAV_BLOCK_OK: return "DVDNAV_BLOCK_OK"; break; case DVDNAV_NOP: return "DVDNAV_NOP"; break; case DVDNAV_STILL_FRAME: return "DVDNAV_STILL_FRAME"; break; case DVDNAV_SPU_STREAM_CHANGE: return "DVDNAV_SPU_STREAM_CHANGE"; break; case DVDNAV_AUDIO_STREAM_CHANGE: return "DVDNAV_AUDIO_STREAM_CHANGE"; break; case DVDNAV_VTS_CHANGE: return "DVDNAV_VTS_CHANGE"; break; case DVDNAV_CELL_CHANGE: return "DVDNAV_CELL_CHANGE"; break; case DVDNAV_NAV_PACKET: return "DVDNAV_NAV_PACKET"; break; case DVDNAV_STOP: return "DVDNAV_STOP"; break; case DVDNAV_HIGHLIGHT: return "DVDNAV_HIGHLIGHT"; break; case DVDNAV_SPU_CLUT_CHANGE: return "DVDNAV_SPU_CLUT_CHANGE"; break; case DVDNAV_HOP_CHANNEL: return "DVDNAV_HOP_CHANNEL"; break; case DVDNAV_WAIT: return "DVDNAV_WAIT"; break; } return "UNKNOWN"; } static gchar * dvdnav_get_read_domain_name(dvd_read_domain_t domain) { switch (domain) { case DVD_READ_INFO_FILE: return "DVD_READ_INFO_FILE"; break; case DVD_READ_INFO_BACKUP_FILE: return "DVD_READ_INFO_BACKUP_FILE"; break; case DVD_READ_MENU_VOBS: return "DVD_READ_MENU_VOBS"; break; case DVD_READ_TITLE_VOBS: return "DVD_READ_TITLE_VOBS"; break; } return "UNKNOWN"; } static void dvdnavsrc_print_event (DVDNavSrc *src, guint8 *data, int event, int len) { g_return_if_fail (src != NULL); g_return_if_fail (GST_IS_DVDNAVSRC (src)); fprintf (stderr, "dvdnavsrc (%p): event: %s\n", src, dvdnav_get_event_name(event)); switch (event) { case DVDNAV_BLOCK_OK: break; case DVDNAV_NOP: break; case DVDNAV_STILL_FRAME: { dvdnav_still_event_t *event = (dvdnav_still_event_t *)data; fprintf (stderr, " still frame: %d seconds\n", event->length); } break; case DVDNAV_SPU_STREAM_CHANGE: { dvdnav_spu_stream_change_event_t * event = (dvdnav_spu_stream_change_event_t *)data; fprintf (stderr, " physical_wide: %d\n", event->physical_wide); fprintf (stderr, " physical_letterbox: %d\n", event->physical_letterbox); fprintf (stderr, " physical_pan_scan: %d\n", event->physical_pan_scan); fprintf (stderr, " logical: %d\n", event->logical); } break; case DVDNAV_AUDIO_STREAM_CHANGE: { dvdnav_audio_stream_change_event_t * event = (dvdnav_audio_stream_change_event_t *)data; fprintf (stderr, " physical: %d\n", event->physical); fprintf (stderr, " logical: %d\n", event->logical); } break; case DVDNAV_VTS_CHANGE: { dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t *)data; fprintf (stderr, " old_vtsN: %d\n", event->old_vtsN); fprintf (stderr, " old_domain: %s\n", dvdnav_get_read_domain_name(event->old_domain)); fprintf (stderr, " new_vtsN: %d\n", event->new_vtsN); fprintf (stderr, " new_domain: %s\n", dvdnav_get_read_domain_name(event->new_domain)); } break; case DVDNAV_CELL_CHANGE: { /*dvdnav_cell_change_event_t *event = (dvdnav_cell_change_event_t *)data;*/ /*fprintf (stderr, " old_cell: %p\n", event->old_cell);*/ /*fprintf (stderr, " new_cell: %p\n", event->new_cell);*/ } break; case DVDNAV_NAV_PACKET: { /* dvdnav_nav_packet_event_t *event = (dvdnav_nav_packet_event_t *)data; pci_t *pci; dsi_t *dsi; pci = event->pci; dsi = event->dsi; pci = dvdnav_get_current_nav_pci(src->dvdnav); dsi = dvdnav_get_current_nav_dsi(src->dvdnav); fprintf (stderr, " pci: %p\n", event->pci); fprintf (stderr, " dsi: %p\n", event->dsi); navPrint_PCI(pci); navPrint_DSI(dsi); */ } break; case DVDNAV_STOP: break; case DVDNAV_HIGHLIGHT: { dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t *)data; fprintf (stderr, " display: %s\n", event->display == 0 ? "hide" : (event->display == 1 ? "show" : "unknown") ); if (event->display == 1) { fprintf (stderr, " palette: %08x\n", event->palette); fprintf (stderr, " coords (%u, %u) - (%u, %u)\n", event->sx, event->sy, event->ex, event->ey); fprintf (stderr, " pts: %u\n", event->pts); fprintf (stderr, " button: %u\n", event->buttonN); } } break; case DVDNAV_SPU_CLUT_CHANGE: break; case DVDNAV_HOP_CHANNEL: break; case DVDNAV_WAIT: break; default: fprintf (stderr, " event id: %d\n", event); break; } } static GstData * dvdnavsrc_get (GstPad *pad) { DVDNavSrc *src; int event, len; GstBuffer *buf; guint8 *data; gboolean have_buf; g_return_val_if_fail (pad != NULL, NULL); g_return_val_if_fail (GST_IS_PAD (pad), NULL); src = DVDNAVSRC (gst_pad_get_parent (pad)); g_return_val_if_fail (dvdnavsrc_is_open (src), NULL); if (src->did_seek) { GstEvent *event; src->did_seek = FALSE; GST_DEBUG ("dvdnavsrc sending discont"); event = gst_event_new_discontinuous (FALSE, 0); src->need_flush = FALSE; return GST_DATA (event); } if (src->need_flush) { src->need_flush = FALSE; GST_DEBUG ("dvdnavsrc sending flush"); return GST_DATA (gst_event_new_flush()); } /* loop processing blocks until data is pushed */ have_buf = FALSE; while (!have_buf) { /* allocate a pool for the buffer data */ /* FIXME: mem leak on non BLOCK_OK events */ buf = gst_buffer_new_from_pool (src->bufferpool, DVD_VIDEO_LB_LEN, 0); if (!buf) { gst_element_error (GST_ELEMENT (src), "Failed to create a new GstBuffer"); return NULL; } data = GST_BUFFER_DATA(buf); if (dvdnav_get_next_block (src->dvdnav, data, &event, &len) != DVDNAV_STATUS_OK) { gst_element_error (GST_ELEMENT (src), "dvdnav_get_next_block error: %s\n", dvdnav_err_to_string(src->dvdnav)); return NULL; } switch (event) { case DVDNAV_NOP: break; case DVDNAV_BLOCK_OK: g_return_val_if_fail (GST_BUFFER_DATA(buf) != NULL, NULL); g_return_val_if_fail (GST_BUFFER_SIZE(buf) == DVD_VIDEO_LB_LEN, NULL); have_buf = TRUE; break; case DVDNAV_STILL_FRAME: /* FIXME: we should pause for event->length seconds before * dvdnav_still_skip */ dvdnavsrc_print_event (src, data, event, len); if (dvdnav_still_skip (src->dvdnav) != DVDNAV_STATUS_OK) { gst_element_error (GST_ELEMENT (src), "dvdnav_still_skip error: %s\n", dvdnav_err_to_string(src->dvdnav)); /* FIXME: close the stream??? */ } break; case DVDNAV_STOP: GST_DEBUG ("dvdnavsrc sending eos"); gst_element_set_eos (GST_ELEMENT (src)); dvdnavsrc_close(src); buf = GST_BUFFER (gst_event_new (GST_EVENT_EOS)); have_buf = TRUE; break; case DVDNAV_CELL_CHANGE: dvdnavsrc_update_streaminfo (src); break; case DVDNAV_NAV_PACKET: if (0) dvdnavsrc_update_buttoninfo (src); break; case DVDNAV_WAIT: /* FIXME: supposed to make sure all the data has made * it to the sinks before skipping the wait */ dvdnav_wait_skip(src->dvdnav); case DVDNAV_VTS_CHANGE: case DVDNAV_SPU_STREAM_CHANGE: case DVDNAV_AUDIO_STREAM_CHANGE: case DVDNAV_HIGHLIGHT: case DVDNAV_SPU_CLUT_CHANGE: case DVDNAV_HOP_CHANNEL: default: dvdnavsrc_print_event (src, data, event, len); break; } } return GST_DATA(buf); } /* open the file, necessary to go to RUNNING state */ static gboolean dvdnavsrc_open (DVDNavSrc *src) { g_return_val_if_fail (src != NULL, FALSE); g_return_val_if_fail (GST_IS_DVDNAVSRC(src), FALSE); g_return_val_if_fail (!dvdnavsrc_is_open (src), FALSE); g_return_val_if_fail (src->location != NULL, FALSE); if (dvdnav_open (&src->dvdnav, (char*)src->location) != DVDNAV_STATUS_OK) { fprintf( stderr, "dvdnav_open error: %s location: %s\n", dvdnav_err_to_string(src->dvdnav), src->location); return FALSE; } GST_FLAG_SET (src, DVDNAVSRC_OPEN); /* Read the first block before seeking to force a libdvdnav internal * call to vm_start, otherwise it ignores our seek position. * This happens because vm_start sets the domain to the first-play (FP) * domain, overriding any other title that has been set. * Track/chapter setting used to work, but libdvdnav has delayed the call * to vm_start from _open, to _get_block. * FIXME: But, doing it this way has problems too, as there is no way to * get back to the FP domain. * Maybe we could title==0 to mean FP domain, and not do this read & seek. * If title subsequently gets set to 0, we would need to dvdnav_close * followed by dvdnav_open to get back to the FP domain. * Since we dont currently support seeking by setting the title/chapter/angle * after opening, we'll forget about close/open for now, and just do the * title==0 thing. */ if (src->title > 0) { unsigned char buf[2048]; int event, buflen = sizeof(buf); fprintf(stderr, "+XXX\n"); if (dvdnav_get_next_block(src->dvdnav, buf, &event, &buflen) != DVDNAV_STATUS_OK) { fprintf(stderr, "pre seek dvdnav_get_next_block error: %s\n", dvdnav_err_to_string(src->dvdnav)); return FALSE; } dvdnavsrc_print_event (src, buf, event, buflen); /* while (dvdnav_get_next_block(src->dvdnav, buf, &event, &buflen) == DVDNAV_STATUS_OK) { if (event != DVDNAV_BLOCK_OK) dvdnavsrc_print_event (src, buf, event, buflen); } */ fprintf(stderr, "pre seek dvdnav_get_next_block error: %s\n", dvdnav_err_to_string(src->dvdnav)); fprintf(stderr, "-XXX\n"); if (!dvdnavsrc_tca_seek(src, src->title, src->chapter, src->angle)) return FALSE; } return TRUE; } /* close the file */ static gboolean dvdnavsrc_close (DVDNavSrc *src) { g_return_val_if_fail (src != NULL, FALSE); g_return_val_if_fail (GST_IS_DVDNAVSRC(src), FALSE); g_return_val_if_fail (dvdnavsrc_is_open (src), FALSE); g_return_val_if_fail (src->dvdnav != NULL, FALSE); if (dvdnav_close (src->dvdnav) != DVDNAV_STATUS_OK) { fprintf( stderr, "dvdnav_close error: %s\n", dvdnav_err_to_string (src->dvdnav)); return FALSE; } GST_FLAG_UNSET (src, DVDNAVSRC_OPEN); return TRUE; } static GstElementStateReturn dvdnavsrc_change_state (GstElement *element) { DVDNavSrc *src; g_return_val_if_fail (GST_IS_DVDNAVSRC (element), GST_STATE_FAILURE); src = DVDNAVSRC (element); switch (GST_STATE_TRANSITION (element)) { case GST_STATE_NULL_TO_READY: break; case GST_STATE_READY_TO_PAUSED: if (!dvdnavsrc_is_open (src)) { if (!dvdnavsrc_open (src)) { return GST_STATE_FAILURE; } } src->streaminfo = NULL; break; case GST_STATE_PAUSED_TO_PLAYING: break; case GST_STATE_PLAYING_TO_PAUSED: break; case GST_STATE_PAUSED_TO_READY: if (dvdnavsrc_is_open (src)) { if (!dvdnavsrc_close (src)) { return GST_STATE_FAILURE; } } break; case GST_STATE_READY_TO_NULL: break; } /* if we haven't failed already, give the parent class a chance to ;-) */ if (GST_ELEMENT_CLASS (parent_class)->change_state) return GST_ELEMENT_CLASS (parent_class)->change_state (element); return GST_STATE_SUCCESS; } static const GstEventMask * dvdnavsrc_get_event_mask (GstPad *pad) { static const GstEventMask masks[] = { {GST_EVENT_SEEK, GST_SEEK_METHOD_SET | GST_SEEK_METHOD_CUR | GST_SEEK_METHOD_END | GST_SEEK_FLAG_FLUSH }, /* {GST_EVENT_SEEK_SEGMENT, GST_SEEK_METHOD_SET | GST_SEEK_METHOD_CUR | GST_SEEK_METHOD_END | GST_SEEK_FLAG_FLUSH }, */ {0,} }; return masks; } static gboolean dvdnavsrc_event (GstPad *pad, GstEvent *event) { DVDNavSrc *src; gboolean res = TRUE; src = DVDNAVSRC (gst_pad_get_parent (pad)); if (!GST_FLAG_IS_SET (src, DVDNAVSRC_OPEN)) goto error; switch (GST_EVENT_TYPE (event)) { case GST_EVENT_SEEK: { gint64 offset; gint format; int titles, title, new_title; int parts, part, new_part; int angles, angle, new_angle; int origin; format = GST_EVENT_SEEK_FORMAT (event); offset = GST_EVENT_SEEK_OFFSET (event); switch (format) { default: if (format == sector_format) { switch (GST_EVENT_SEEK_METHOD (event)) { case GST_SEEK_METHOD_SET: origin = SEEK_SET; break; case GST_SEEK_METHOD_CUR: origin = SEEK_CUR; break; case GST_SEEK_METHOD_END: origin = SEEK_END; break; default: goto error; } if (dvdnav_sector_search(src->dvdnav, offset, origin) != DVDNAV_STATUS_OK) { goto error; } } else if (format == title_format) { if (dvdnav_current_title_info(src->dvdnav, &title, &part) != DVDNAV_STATUS_OK) { goto error; } switch (GST_EVENT_SEEK_METHOD (event)) { case GST_SEEK_METHOD_SET: new_title = offset; break; case GST_SEEK_METHOD_CUR: new_title = title + offset; break; case GST_SEEK_METHOD_END: if (dvdnav_get_number_of_titles(src->dvdnav, &titles) != DVDNAV_STATUS_OK) { goto error; } new_title = titles + offset; break; default: goto error; } if (dvdnav_title_play(src->dvdnav, new_title) != DVDNAV_STATUS_OK) { goto error; } } else if (format == chapter_format) { if (dvdnav_current_title_info(src->dvdnav, &title, &part) != DVDNAV_STATUS_OK) { goto error; } switch (GST_EVENT_SEEK_METHOD (event)) { case GST_SEEK_METHOD_SET: new_part = offset; break; case GST_SEEK_METHOD_CUR: new_part = part + offset; break; case GST_SEEK_METHOD_END: if (dvdnav_get_number_of_titles(src->dvdnav, &parts) != DVDNAV_STATUS_OK) { goto error; } new_part = parts + offset; break; default: goto error; } /*if (dvdnav_part_search(src->dvdnav, new_part) !=*/ if (dvdnav_part_play(src->dvdnav, title, new_part) != DVDNAV_STATUS_OK) { goto error; } } else if (format == angle_format) { if (dvdnav_get_angle_info(src->dvdnav, &angle, &angles) != DVDNAV_STATUS_OK) { goto error; } switch (GST_EVENT_SEEK_METHOD (event)) { case GST_SEEK_METHOD_SET: new_angle = offset; break; case GST_SEEK_METHOD_CUR: new_angle = angle + offset; break; case GST_SEEK_METHOD_END: new_angle = angles + offset; break; default: goto error; } if (dvdnav_angle_change(src->dvdnav, new_angle) != DVDNAV_STATUS_OK) { goto error; } } else { goto error; } } src->did_seek = TRUE; src->need_flush = GST_EVENT_SEEK_FLAGS(event) & GST_SEEK_FLAG_FLUSH; break; } case GST_EVENT_FLUSH: src->need_flush = TRUE; break; default: goto error; } if (FALSE) { error: res = FALSE; } gst_event_unref (event); return res; } static const GstFormat * dvdnavsrc_get_formats (GstPad *pad) { int i; static GstFormat formats[] = { /* GST_FORMAT_TIME, GST_FORMAT_BYTES, GST_FORMAT_DEFAULT, */ 0, /* filled later */ 0, /* filled later */ 0, /* filled later */ 0, /* filled later */ 0 }; static gboolean format_initialized = FALSE; if (!format_initialized) { for (i=0; formats[i] != 0; i++) { } formats[i++] = sector_format; formats[i++] = title_format; formats[i++] = chapter_format; formats[i++] = angle_format; format_initialized = TRUE; } return formats; } #if 0 static gboolean dvdnavsrc_convert (GstPad *pad, GstFormat src_format, gint64 src_value, GstFormat *dest_format, gint64 *dest_value) { DVDNavSrc *src; src = DVDNAVSRC (gst_pad_get_parent (pad)); if (!GST_FLAG_IS_SET (src, DVDNAVSRC_OPEN)) return FALSE; switch (src_format) { case GST_FORMAT_TIME: switch (*dest_format) { case GST_FORMAT_BYTES: src_value <<= 2; /* 4 bytes per sample */ case GST_FORMAT_DEFAULT: *dest_value = src_value * 44100 / GST_SECOND; break; default: if (*dest_format == track_format || *dest_format == sector_format) { gint sector = (src_value * 44100) / ((CD_FRAMESIZE_RAW >> 2) * GST_SECOND); if (*dest_format == sector_format) { *dest_value = sector; } else { *dest_value = cdda_sector_gettrack (src->d, sector) - 1; } } else return FALSE; break; } break; case GST_FORMAT_BYTES: src_value >>= 2; case GST_FORMAT_DEFAULT: switch (*dest_format) { case GST_FORMAT_BYTES: *dest_value = src_value * 4; break; case GST_FORMAT_TIME: *dest_value = src_value * GST_SECOND / 44100; break; default: if (*dest_format == track_format || *dest_format == sector_format) { gint sector = src_value / (CD_FRAMESIZE_RAW >> 2); if (*dest_format == track_format) { *dest_value = cdda_sector_gettrack (src->d, sector) - 1; } else { *dest_value = sector; } } else return FALSE; break; } break; default: { gint sector; if (src_format == track_format) { /* some sanity checks */ if (src_value < 0 || src_value > src->d->tracks) return FALSE; sector = cdda_track_firstsector (src->d, src_value + 1); } else if (src_format == sector_format) { sector = src_value; } else return FALSE; switch (*dest_format) { case GST_FORMAT_TIME: *dest_value = ((CD_FRAMESIZE_RAW >> 2) * sector * GST_SECOND) / 44100; break; case GST_FORMAT_BYTES: sector <<= 2; case GST_FORMAT_DEFAULT: *dest_value = (CD_FRAMESIZE_RAW >> 2) * sector; break; default: if (*dest_format == sector_format) { *dest_value = sector; } else if (*dest_format == track_format) { /* if we go past the last sector, make sure to report the last track */ if (sector > src->last_sector) *dest_value = cdda_sector_gettrack (src->d, src->last_sector); else *dest_value = cdda_sector_gettrack (src->d, sector) - 1; } else return FALSE; break; } break; } } return TRUE; } #endif static const GstQueryType* dvdnavsrc_get_query_types (GstPad *pad) { static const GstQueryType src_query_types[] = { GST_QUERY_TOTAL, GST_QUERY_POSITION, 0 }; return src_query_types; } static gboolean dvdnavsrc_query (GstPad *pad, GstQueryType type, GstFormat *format, gint64 *value) { gboolean res = TRUE; DVDNavSrc *src; int titles, title; int parts, part; int angles, angle; unsigned int pos, len; src = DVDNAVSRC (gst_pad_get_parent (pad)); if (!GST_FLAG_IS_SET (src, DVDNAVSRC_OPEN)) return FALSE; switch (type) { case GST_QUERY_TOTAL: if (*format == sector_format) { if (dvdnav_get_position(src->dvdnav, &pos, &len) != DVDNAV_STATUS_OK) { res = FALSE; } *value = len; } else if (*format == title_format) { if (dvdnav_get_number_of_titles(src->dvdnav, &titles) != DVDNAV_STATUS_OK) { res = FALSE; } *value = titles; } else if (*format == chapter_format) { if (dvdnav_get_number_of_titles(src->dvdnav, &parts) != DVDNAV_STATUS_OK) { res = FALSE; } *value = parts; } else if (*format == angle_format) { if (dvdnav_get_angle_info(src->dvdnav, &angle, &angles) != DVDNAV_STATUS_OK) { res = FALSE; } *value = angles; } else { res = FALSE; } break; case GST_QUERY_POSITION: if (*format == sector_format) { if (dvdnav_get_position(src->dvdnav, &pos, &len) != DVDNAV_STATUS_OK) { res = FALSE; } *value = pos; } else if (*format == title_format) { if (dvdnav_current_title_info(src->dvdnav, &title, &part) != DVDNAV_STATUS_OK) { res = FALSE; } *value = title; } else if (*format == chapter_format) { if (dvdnav_current_title_info(src->dvdnav, &title, &part) != DVDNAV_STATUS_OK) { res = FALSE; } *value = part; } else if (*format == angle_format) { if (dvdnav_get_angle_info(src->dvdnav, &angle, &angles) != DVDNAV_STATUS_OK) { res = FALSE; } *value = angle; } else { res = FALSE; } break; default: res = FALSE; break; } return res; } static gboolean plugin_init (GstPlugin *plugin) { if (!gst_element_register (plugin, "dvdnavsrc", GST_RANK_NONE, GST_TYPE_DVDNAVSRC)) return FALSE; return TRUE; } GST_PLUGIN_DEFINE ( GST_VERSION_MAJOR, GST_VERSION_MINOR, "dvdnavsrc", "Access a DVD with navigation features using libdvdnav", plugin_init, VERSION, "GPL", GST_PACKAGE, GST_ORIGIN)