libDVDread support

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@1597 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 295 insertions, 0 deletions

diff --git a/open.c b/open.c
index fe141a27da..bbf77e2771 100644
--- a/open.c
+++ b/open.c
@@ -22,6 +22,38 @@
 static URL_t* url;
 #endif
 
+int dvd_title=0;
+int dvd_chapter=1;
+int dvd_angle=1;
+
+#ifdef USE_DVDREAD
+
+#include <dvdread/dvd_reader.h>
+#include <dvdread/ifo_types.h>
+#include <dvdread/ifo_read.h>
+#include <dvdread/dvd_udf.h>
+#include <dvdread/nav_read.h>
+//#include <dvdread/nav_print.h>
+
+typedef struct {
+    dvd_reader_t *dvd;
+    dvd_file_t *title;
+    ifo_handle_t *vmg_file;
+    tt_srpt_t *tt_srpt;
+    ifo_handle_t *vts_file;
+    vts_ptt_srpt_t *vts_ptt_srpt;
+    pgc_t *cur_pgc;
+    //
+    int cur_cell;
+    int cur_pack;
+    int cell_last_pack;
+    // Navi:
+    int packs_left;
+    dsi_t dsi_pack;
+} dvd_priv_t;
+
+#endif
+
 extern int vcd_get_track_end(int fd,int track);
 
 // Open a new stream  (stdin/file/vcd/url)
@@ -40,6 +72,7 @@ int bsize = VCD_SECTOR_SIZE;
 //============ Open VideoCD track ==============
 if(vcd_track){
   int ret,ret2;
+  if(!filename) filename=DEFAULT_CDROM_DEVICE;
   f=open(filename,O_RDONLY);
   if(f<0){ mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_CdDevNotfound,filename);return NULL; }
   vcd_read_toc(f);
@@ -63,6 +96,136 @@ if(vcd_track){
   return stream;
 }
 
+//============ Open DVD title ==============
+#ifdef USE_DVDREAD
+if(dvd_title){
+  int ret,ret2;
+  dvd_priv_t *d;
+    int ttn,pgc_id,pgn;
+    dvd_reader_t *dvd;
+    dvd_file_t *title;
+    ifo_handle_t *vmg_file;
+    tt_srpt_t *tt_srpt;
+    ifo_handle_t *vts_file;
+    /**
+     * Open the disc.
+     */
+    if(!filename) filename=DEFAULT_DVD_DEVICE;
+    dvd = DVDOpen(filename);
+    if( !dvd ) {
+        mp_msg(MSGT_OPEN,MSGL_ERR, "Couldn't open DVD: %s\n",filename);
+        return NULL;
+    }
+
+    mp_msg(MSGT_OPEN,MSGL_INFO, "Reading disc structure, please wait...\n");
+
+    /**
+     * Load the video manager to find out the information about the titles on
+     * this disc.
+     */
+    vmg_file = ifoOpen( dvd, 0 );
+    if( !vmg_file ) {
+        mp_msg(MSGT_OPEN,MSGL_ERR, "Can't open VMG info!\n");
+        DVDClose( dvd );
+        return NULL;
+    }
+    tt_srpt = vmg_file->tt_srpt;
+    /**
+     * Make sure our title number is valid.
+     */
+    mp_msg(MSGT_OPEN,MSGL_INFO, "There are %d titles on this DVD.\n",
+             tt_srpt->nr_of_srpts );
+    if( dvd_title < 1 || dvd_title > tt_srpt->nr_of_srpts ) {
+	mp_msg(MSGT_OPEN,MSGL_ERR, "Invalid DVD title number: %d\n", dvd_title);
+        ifoClose( vmg_file );
+        DVDClose( dvd );
+        return NULL;
+    }
+    --dvd_title; // remap 1.. -> 0..
+    /**
+     * Make sure the chapter number is valid for this title.
+     */
+    mp_msg(MSGT_OPEN,MSGL_INFO, "There are %d chapters in this DVD title.\n",
+             tt_srpt->title[dvd_title].nr_of_ptts );
+    if( dvd_chapter<1 || dvd_chapter>tt_srpt->title[dvd_title].nr_of_ptts ) {
+	mp_msg(MSGT_OPEN,MSGL_ERR, "Invalid DVD chapter number: %d\n", dvd_chapter);
+        ifoClose( vmg_file );
+        DVDClose( dvd );
+        return NULL;
+    }
+    --dvd_chapter; // remap 1.. -> 0..
+    /**
+     * Make sure the angle number is valid for this title.
+     */
+    mp_msg(MSGT_OPEN,MSGL_INFO, "There are %d angles in this DVD title.\n",
+             tt_srpt->title[dvd_title].nr_of_angles );
+    if( dvd_angle<1 || dvd_angle>tt_srpt->title[dvd_title].nr_of_angles ) {
+	mp_msg(MSGT_OPEN,MSGL_ERR, "Invalid DVD angle number: %d\n", dvd_angle);
+        ifoClose( vmg_file );
+        DVDClose( dvd );
+        return NULL;
+    }
+    /**
+     * Load the VTS information for the title set our title is in.
+     */
+    vts_file = ifoOpen( dvd, tt_srpt->title[dvd_title].title_set_nr );
+    if( !vts_file ) {
+	mp_msg(MSGT_OPEN,MSGL_ERR, "Can't open the IFO file for DVD title %d.\n",
+                 tt_srpt->title[dvd_title].title_set_nr );
+        ifoClose( vmg_file );
+        DVDClose( dvd );
+        return NULL;
+    }
+    /**
+     * We've got enough info, time to open the title set data.
+     */
+    title = DVDOpenFile( dvd, tt_srpt->title[dvd_title].title_set_nr,
+                         DVD_READ_TITLE_VOBS );
+    if( !title ) {
+	mp_msg(MSGT_OPEN,MSGL_ERR, "Can't open title VOBS (VTS_%02d_1.VOB).\n",
+                 tt_srpt->title[dvd_title].title_set_nr );
+        ifoClose( vts_file );
+        ifoClose( vmg_file );
+        DVDClose( dvd );
+        return NULL;
+    }
+
+    mp_msg(MSGT_OPEN,MSGL_INFO, "DVD successfully opened!\n");
+    // store data
+    d=malloc(sizeof(dvd_priv_t)); memset(d,0,sizeof(dvd_priv_t));
+    d->dvd=dvd;
+    d->title=title;
+    d->vmg_file=vmg_file;
+    d->tt_srpt=tt_srpt;
+    d->vts_file=vts_file;
+
+    /**
+     * Determine which program chain we want to watch.  This is based on the
+     * chapter number.
+     */
+    ttn = tt_srpt->title[ dvd_title ].vts_ttn; // local
+    pgc_id = vts_file->vts_ptt_srpt->title[ttn-1].ptt[dvd_chapter].pgcn; // local
+    pgn    = vts_file->vts_ptt_srpt->title[ttn-1].ptt[dvd_chapter].pgn;  // local
+    d->cur_pgc = vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc;
+    d->cur_cell = d->cur_pgc->program_map[pgn-1] - 1; // start playback here
+    d->packs_left=-1;      // for Navi stuff
+    
+    if( d->cur_pgc->cell_playback[d->cur_cell].block_type 
+	== BLOCK_TYPE_ANGLE_BLOCK ) d->cur_cell+=dvd_angle;
+    d->cur_pack = d->cur_pgc->cell_playback[ d->cur_cell ].first_sector;
+    d->cell_last_pack=d->cur_pgc->cell_playback[ d->cur_cell ].last_sector;
+    mp_msg(MSGT_DVD,MSGL_V, "DVD start cell: %d  pack: 0x%X-0x%X  \n",d->cur_cell,d->cur_pack,d->cell_last_pack);
+
+    // ... (unimplemented)
+//    return NULL;
+  stream=new_stream(-1,STREAMTYPE_DVD);
+  stream->start_pos=(off_t)d->cur_pack*2048;
+  //stream->end_pos=0;
+  stream->priv=(void*)d;
+  return stream;
+}
+#endif
+
 //============ Open STDIN ============
   if(!strcmp(filename,"-")){
       // read from stdin
@@ -107,3 +270,135 @@ if(vcd_track){
        return stream;
 
 }
+
+
+#ifdef USE_DVDREAD
+
+static int dvd_next_cell(dvd_priv_t *d){
+    int next_cell=d->cur_cell;
+    
+    if( d->cur_pgc->cell_playback[ next_cell ].block_type
+                                        == BLOCK_TYPE_ANGLE_BLOCK ) {
+	    int i;
+	    while(next_cell<d->cur_pgc->nr_of_cells){
+                if( d->cur_pgc->cell_playback[next_cell].block_mode
+                                          == BLOCK_MODE_LAST_CELL ) break;
+		++next_cell;
+            }
+    }
+    
+    ++next_cell;
+    if(next_cell>=d->cur_pgc->nr_of_cells) return -1; // EOF
+    if( d->cur_pgc->cell_playback[next_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK ){
+	next_cell+=dvd_angle;
+	if(next_cell>=d->cur_pgc->nr_of_cells) return -1; // EOF
+    }
+    return next_cell;
+}
+
+int dvd_read_sector(dvd_priv_t *d,unsigned char* data){
+    int len;
+    
+    if(d->packs_left==0){
+            /**
+             * If we're not at the end of this cell, we can determine the next
+             * VOBU to display using the VOBU_SRI information section of the
+             * DSI.  Using this value correctly follows the current angle,
+             * avoiding the doubled scenes in The Matrix, and makes our life
+             * really happy.
+             *
+             * Otherwise, we set our next address past the end of this cell to
+             * force the code above to go to the next cell in the program.
+             */
+            if( d->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL ) {
+                d->cur_pack= d->dsi_pack.dsi_gi.nv_pck_lbn +
+		( d->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
+		mp_msg(MSGT_DVD,MSGL_DBG2, "Navi  new pos=0x%X  \n",d->cur_pack);
+            } else {
+		// end of cell! find next cell!
+		mp_msg(MSGT_DVD,MSGL_V, "--- END OF CELL !!! ---\n");
+		d->cur_pack=d->cell_last_pack+1;
+            }
+    }
+
+read_next:
+
+    if(d->cur_pack>d->cell_last_pack){
+	// end of cell!
+	int next=dvd_next_cell(d);
+	if(next>=0){
+	    d->cur_cell=next;
+
+    if( d->cur_pgc->cell_playback[d->cur_cell].block_type 
+	== BLOCK_TYPE_ANGLE_BLOCK ) d->cur_cell+=dvd_angle;
+    d->cur_pack = d->cur_pgc->cell_playback[ d->cur_cell ].first_sector;
+    d->cell_last_pack=d->cur_pgc->cell_playback[ d->cur_cell ].last_sector;
+    mp_msg(MSGT_DVD,MSGL_V, "DVD next cell: %d  pack: 0x%X-0x%X  \n",d->cur_cell,d->cur_pack,d->cell_last_pack);
+	    
+	} else return -1; // EOF
+    }
+
+    len = DVDReadBlocks( d->title, d->cur_pack, 1, data );
+    if(!len) return -1; //error
+    
+    if(data[38]==0 && data[39]==0 && data[40]==1 && data[41]==0xBF &&
+       data[1024]==0 && data[1025]==0 && data[1026]==1 && data[1027]==0xBF){
+	// found a Navi packet!!!
+        navRead_DSI( &d->dsi_pack, &(data[ DSI_START_BYTE ]), sizeof(dsi_t) );
+	if(d->cur_pack != d->dsi_pack.dsi_gi.nv_pck_lbn ){
+	    mp_msg(MSGT_DVD,MSGL_V, "Invalid NAVI packet! lba=0x%X  navi=0x%X  \n",
+		d->cur_pack,d->dsi_pack.dsi_gi.nv_pck_lbn);
+	} else {
+	    // process!
+    	    d->packs_left = d->dsi_pack.dsi_gi.vobu_ea;
+	    mp_msg(MSGT_DVD,MSGL_DBG2, "Found NAVI packet! lba=0x%X  len=%d  \n",d->cur_pack,d->packs_left);
+	}
+	++d->cur_pack;
+	goto read_next;
+    }
+
+    ++d->cur_pack;
+    if(d->packs_left>=0) --d->packs_left;
+
+    return d->cur_pack-1;
+}
+
+void dvd_seek(dvd_priv_t *d,int pos){
+    d->packs_left=-1;
+    d->cur_pack=pos;
+    
+// check if we stay in current cell (speedup things, and avoid angle skip)
+if(d->cur_pack>d->cell_last_pack &&
+   d->cur_pack<d->cur_pgc->cell_playback[ d->cur_cell ].first_sector){
+
+    // ok, cell change, find the right cell!
+    d->cur_cell=0;
+    if( d->cur_pgc->cell_playback[d->cur_cell].block_type 
+	== BLOCK_TYPE_ANGLE_BLOCK ) d->cur_cell+=dvd_angle;
+
+  while(1){
+    int next;
+    d->cell_last_pack=d->cur_pgc->cell_playback[ d->cur_cell ].last_sector;
+    if(d->cur_pack<d->cur_pgc->cell_playback[ d->cur_cell ].first_sector){
+	d->cur_pack=d->cur_pgc->cell_playback[ d->cur_cell ].first_sector;
+	break;
+    }
+    if(d->cur_pack<=d->cell_last_pack) break; // ok, we find it! :)
+    next=dvd_next_cell(d);
+    if(next<0){
+//	d->cur_pack=d->cell_last_pack+1;
+	break; // we're after the last cell
+    }
+    d->cur_cell=next;
+  }
+}
+
+mp_msg(MSGT_DVD,MSGL_V, "DVD Seek! lba=0x%X  cell=%d  packs: 0x%X-0x%X  \n",
+    d->cur_pack,d->cur_cell,d->cur_pgc->cell_playback[ d->cur_cell ].first_sector,d->cell_last_pack);
+
+// TODO: if we're in interleaved multi-angle cell, find the right angle chain!
+// (read Navi block, and use the seamless angle jump table)
+
+}
+
+#endif