Basic support for Blu-Ray using libbluray

This needs heavy testing and improvement to be actually usable

NEWS

@@ -13,6 +13,7 @@ Access
  * DVB-S scanning support
  * DShow: support for freq and video standard selection
  * Support for VDR recordings
+ * Blu-Ray integration with libbluray
 
 Codecs
  * You can now use ffmpeg-mt in conjunction with vlc

configure.ac

@@ -1919,6 +1919,11 @@ then
 fi
 
 
+dnl
+dnl  Blu-ray Disc Support with libbluray
+dnl
+PKG_ENABLE_MODULES_VLC([BLURAY], [libbluray], [libbluray], (libbluray for Blu-ray disc support ) )
+
 dnl
 dnl  OpenCV wrapper and example filters
 dnl

modules/access/Modules.am

@@ -51,6 +51,7 @@ SOURCES_access_imem = imem.c
 SOURCES_access_avio = avio.c avio.h
 SOURCES_access_attachment = attachment.c
 SOURCES_access_vdr = vdr.c
+SOURCES_libbluray = bluray.c
 
 SOURCES_access_rar = rar/rar.c rar/rar.h rar/access.c
 SOURCES_stream_filter_rar = rar/rar.c rar/rar.h rar/stream.c

modules/access/bluray.c

+/*****************************************************************************
+ * bluray.c: Blu-ray disc support plugin
+ *****************************************************************************
+ * Copyright (C) 2010 VideoLAN, VLC authors and libbluray AUTHORS
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#ifdef HAVE_SYS_STAT_H
+#   include <sys/stat.h>
+#endif
+
+#include <assert.h>
+#include <limits.h>
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_access.h>
+#include <vlc_messages.h>
+
+#include <libbluray/bluray.h>
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+#define CACHING_TEXT N_("Caching value in ms")
+#define CACHING_LONGTEXT N_( "Caching value for BDs. This "\
+                             "value should be set in milliseconds." )
+
+/* Callbacks */
+static int  blurayOpen ( vlc_object_t * );
+static void blurayClose( vlc_object_t * );
+
+vlc_module_begin ()
+    set_shortname( N_("BluRay") )
+    set_description( N_("Blu-Ray Disc support (libbluray)") )
+
+    set_category( CAT_INPUT )
+    set_subcategory( SUBCAT_INPUT_ACCESS )
+    set_capability( "access", 60 )
+
+    add_integer( "bluray-caching", 1000, NULL,
+        CACHING_TEXT, CACHING_LONGTEXT, true )
+
+    add_shortcut( "bluray" )
+    add_shortcut( "file" )
+
+    set_callbacks( blurayOpen, blurayClose )
+vlc_module_end ()
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+
+struct access_sys_t
+{
+    BLURAY *bluray; /* */
+    int i_bd_delay;
+};
+
+static ssize_t blurayRead   (access_t *, uint8_t *, size_t);
+static int     bluraySeek   (access_t *, uint64_t);
+static int     blurayControl(access_t *, int, va_list);
+static int     bluraySetTitle(access_t *p_access, int i_tile);
+
+/*****************************************************************************
+ * blurayOpen: module init function
+ *****************************************************************************/
+static int blurayOpen( vlc_object_t *object )
+{
+    access_t *p_access = (access_t*)object;
+
+    access_sys_t *p_sys;
+    char *pos_title;
+    int i_title = 0;
+    char bd_path[PATH_MAX];
+
+    if( !p_access->psz_location || !*p_access->psz_location ) {
+        return VLC_EGENERIC;
+    }
+
+    /* init access fields */
+    access_InitFields(p_access);
+
+    /* register callback function for communication */
+    ACCESS_SET_CALLBACKS(blurayRead, NULL, blurayControl, bluraySeek);
+
+    p_access->p_sys = p_sys = malloc(sizeof(access_sys_t));
+    if (unlikely(!p_sys)) {
+        return VLC_ENOMEM;
+    }
+
+    /* store current bd_path */
+    strncpy(bd_path, p_access->psz_location, sizeof(bd_path));
+    bd_path[PATH_MAX - 1] = '\0';
+
+    if ( (pos_title = strrchr(bd_path, ':')) ) {
+        /* found character ':' for title information */
+        *(pos_title++) = '\0';
+        i_title = atoi(pos_title);
+    }
+
+    p_sys->bluray = bd_open(bd_path, NULL);
+    if ( !p_sys->bluray ) {
+        free(p_sys);
+        return VLC_EGENERIC;
+    }
+
+    /* set start title number */
+    if ( bluraySetTitle(p_access, i_title) != VLC_SUCCESS ) {
+        blurayClose(object);
+        return VLC_EGENERIC;
+    }
+
+    p_sys->i_bd_delay = var_InheritInteger(p_access, "bluray-caching");
+
+    return VLC_SUCCESS;
+}
+
+
+/*****************************************************************************
+ * blurayClose: module destroy function
+ *****************************************************************************/
+static void blurayClose( vlc_object_t *object )
+{
+    access_t *p_access = (access_t*)object;
+    access_sys_t *p_sys = p_access->p_sys;
+
+    /* bd_close( NULL ) can crash */
+    assert(p_sys->bluray);
+    bd_close(p_sys->bluray);
+    free(p_sys);
+}
+
+
+/*****************************************************************************
+ * bluraySetTitle: select new BD title
+ *****************************************************************************/
+static int bluraySetTitle(access_t *p_access, int i_title)
+{
+    access_sys_t *p_sys = p_access->p_sys;
+
+    /* Select Blu-Ray title */
+    if ( bd_select_title(p_access->p_sys->bluray, i_title) == 0 ) {
+        msg_Err( p_access, "cannot select bd title '%d'", p_access->info.i_title);
+        return VLC_EGENERIC;
+    }
+
+    /* read title length and init some values */
+    p_access->info.i_title = i_title;
+    p_access->info.i_size  = bd_get_title_size(p_sys->bluray);
+    p_access->info.i_pos   = 0;
+    p_access->info.b_eof   = false;
+    p_access->info.i_seekpoint = 0;
+
+    return VLC_SUCCESS;
+}
+
+
+/*****************************************************************************
+ * blurayControl: handle the controls
+ *****************************************************************************/
+static int blurayControl(access_t *p_access, int query, va_list args)
+{
+    access_sys_t *p_sys = p_access->p_sys;
+    bool     *pb_bool;
+    int64_t  *pi_64;
+
+    switch (query) {
+        case ACCESS_CAN_SEEK:
+        case ACCESS_CAN_FASTSEEK:
+        case ACCESS_CAN_PAUSE:
+        case ACCESS_CAN_CONTROL_PACE:
+             pb_bool = (bool*)va_arg( args, bool * );
+             *pb_bool = true;
+             break;
+
+        case ACCESS_GET_PTS_DELAY:
+            pi_64 = (int64_t*)va_arg( args, int64_t * );
+            *pi_64 = p_sys->i_bd_delay;
+            break;
+
+        case ACCESS_SET_PAUSE_STATE:
+            /* Nothing to do */
+            break;
+
+        case ACCESS_SET_TITLE:
+        {
+            int i_title = (int)va_arg( args, int );
+            if( bluraySetTitle( p_access, i_title ) != VLC_SUCCESS )
+                return VLC_EGENERIC;
+            break;
+        }
+        case ACCESS_SET_SEEKPOINT:
+        {
+            int i_chapter = (int)va_arg( args, int );
+            bd_seek_chapter( p_sys->bluray, i_chapter );
+            break;
+        }
+        case ACCESS_GET_META:
+        case ACCESS_GET_TITLE_INFO:
+        case ACCESS_SET_PRIVATE_ID_STATE:
+        case ACCESS_GET_CONTENT_TYPE:
+            return VLC_EGENERIC;
+
+        default:
+            msg_Warn( p_access, "unimplemented query (%d) in control", query );
+            return VLC_EGENERIC;
+    }
+
+    return VLC_SUCCESS;
+}
+
+
+/*****************************************************************************
+ * bluraySeek: seek to the given position
+ *****************************************************************************/
+static int bluraySeek(access_t *p_access, uint64_t position)
+{
+    access_sys_t *p_sys = p_access->p_sys;
+
+    p_access->info.i_pos = bd_seek(p_sys->bluray, position);
+    p_access->info.b_eof = false;
+
+    return VLC_SUCCESS;
+}
+
+
+/*****************************************************************************
+ * blurayRead: read BD data into buffer
+ *****************************************************************************/
+static ssize_t blurayRead(access_t *p_access, uint8_t *data, size_t size)
+{
+    access_sys_t *p_sys = p_access->p_sys;
+    int nread;
+
+    if (p_access->info.b_eof) {
+        return 0;
+    }
+
+    /* read data into buffer with given length */
+    nread = bd_read(p_sys->bluray, data, size);
+
+    if( nread == 0 ) {
+        p_access->info.b_eof = true;
+    }
+    else if( nread > 0 ) {
+        p_access->info.i_pos += nread;
+    }
+
+    return nread;
+}
+