mirror of https://github.com/mpv-player/mpv
678 lines
19 KiB
C
678 lines
19 KiB
C
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include "config.h"
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#include "mp_msg.h"
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#include "help_mp.h"
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#ifdef __FreeBSD__
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#include <sys/cdrio.h>
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#endif
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#include "../cfgparser.h"
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#include "stream.h"
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#include "demuxer.h"
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#include "mf.h"
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#ifdef STREAMING
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#include "url.h"
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#include "network.h"
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static URL_t* url;
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#endif
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int dvd_title=0;
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int dvd_chapter=1;
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int dvd_last_chapter=0;
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int dvd_angle=1;
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char* dvd_device=NULL;
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char* cdrom_device=NULL;
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int dvd_nav=0; /* use libdvdnav? */
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#ifdef USE_DVDNAV
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#include "dvdnav_stream.h"
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#endif
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#ifdef USE_DVDREAD
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#define DVDREAD_VERSION(maj,min,micro) ((maj)*10000 + (min)*100 + (micro))
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/*
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* Try to autodetect the libdvd-0.9.0 library
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* (0.9.0 removed the <dvdread/dvd_udf.h> header, and moved the two defines
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* DVD_VIDEO_LB_LEN and MAX_UDF_FILE_NAME_LEN from it to
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* <dvdread/dvd_reader.h>)
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*/
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#if defined(DVD_VIDEO_LB_LEN) && defined(MAX_UDF_FILE_NAME_LEN)
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#define LIBDVDREAD_VERSION DVDREAD_VERSION(0,9,0)
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#else
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#define LIBDVDREAD_VERSION DVDREAD_VERSION(0,8,0)
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#endif
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char * dvd_audio_stream_types[8] =
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{ "ac3","unknown","mpeg1","mpeg2ext","lpcm","unknown","dts" };
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#endif
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extern int vcd_get_track_end(int fd,int track);
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#ifdef USE_TV
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#include "tv.h"
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tvi_handle_t *tv_handler;
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extern int stream_open_tv(stream_t *stream, tvi_handle_t *tvh);
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#endif
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// Open a new stream (stdin/file/vcd/url)
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stream_t* open_stream(char* filename,int vcd_track,int* file_format){
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stream_t* stream=NULL;
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int f=-1;
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off_t len;
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#ifdef VCD_CACHE
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int vcd_cache_size=128;
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#endif
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#ifdef __FreeBSD__
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int bsize = VCD_SECTOR_SIZE;
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#endif
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//============ Open VideoCD track ==============
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#ifdef HAVE_VCD
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if(vcd_track){
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int ret,ret2;
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if(!cdrom_device) cdrom_device=DEFAULT_CDROM_DEVICE;
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f=open(cdrom_device,O_RDONLY);
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if(f<0){ mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_CdDevNotfound,cdrom_device);return NULL; }
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vcd_read_toc(f);
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ret2=vcd_get_track_end(f,vcd_track);
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if(ret2<0){ mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_ErrTrackSelect " (get)\n");return NULL;}
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ret=vcd_seek_to_track(f,vcd_track);
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if(ret<0){ mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_ErrTrackSelect " (seek)\n");return NULL;}
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// seek_to_byte+=ret;
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mp_msg(MSGT_OPEN,MSGL_V,"VCD start byte position: 0x%X end: 0x%X\n",ret,ret2);
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#ifdef VCD_CACHE
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vcd_cache_init(vcd_cache_size);
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#endif
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#ifdef __FreeBSD__
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if (ioctl (f, CDRIOCSETBLOCKSIZE, &bsize) == -1) {
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perror ( "Error in CDRIOCSETBLOCKSIZE");
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}
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#endif
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stream=new_stream(f,STREAMTYPE_VCD);
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stream->start_pos=ret;
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stream->end_pos=ret2;
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return stream;
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}
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#endif
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//============ Open DVD title ==============
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#ifdef USE_DVDNAV
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if(dvd_nav){
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dvdnav_priv_t *dvdnav_priv;
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int event,len,tmplen=0;
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stream=new_stream(-1,STREAMTYPE_DVDNAV);
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if (!stream) {
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mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_Exit_error);
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return NULL;
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}
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if(!filename) filename=DEFAULT_DVD_DEVICE;
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if (!(dvdnav_priv=new_dvdnav_stream(filename))) {
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mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_CantOpenDVD,filename);
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return NULL;
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}
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stream->priv=(void*)dvdnav_priv;
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return stream;
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}
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#endif
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#ifdef USE_DVDREAD
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if(dvd_title){
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// int ret,ret2;
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dvd_priv_t *d;
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int ttn,pgc_id,pgn;
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dvd_reader_t *dvd;
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dvd_file_t *title;
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ifo_handle_t *vmg_file;
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tt_srpt_t *tt_srpt;
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ifo_handle_t *vts_file;
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/**
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* Open the disc.
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*/
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if(!dvd_device) dvd_device=DEFAULT_DVD_DEVICE;
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dvd = DVDOpen(dvd_device);
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if( !dvd ) {
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mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_CantOpenDVD,dvd_device);
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return NULL;
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}
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mp_msg(MSGT_OPEN,MSGL_INFO,MSGTR_DVDwait);
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/**
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* Load the video manager to find out the information about the titles on
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* this disc.
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*/
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vmg_file = ifoOpen( dvd, 0 );
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if( !vmg_file ) {
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mp_msg(MSGT_OPEN,MSGL_ERR, "Can't open VMG info!\n");
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DVDClose( dvd );
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return NULL;
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}
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tt_srpt = vmg_file->tt_srpt;
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/**
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* Make sure our title number is valid.
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*/
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mp_msg(MSGT_OPEN,MSGL_INFO, MSGTR_DVDnumTitles,
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tt_srpt->nr_of_srpts );
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if( dvd_title < 1 || dvd_title > tt_srpt->nr_of_srpts ) {
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mp_msg(MSGT_OPEN,MSGL_ERR, MSGTR_DVDinvalidTitle, dvd_title);
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ifoClose( vmg_file );
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DVDClose( dvd );
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return NULL;
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}
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--dvd_title; // remap 1.. -> 0..
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/**
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* Make sure the chapter number is valid for this title.
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*/
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mp_msg(MSGT_OPEN,MSGL_INFO, MSGTR_DVDnumChapters,
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tt_srpt->title[dvd_title].nr_of_ptts );
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if( dvd_chapter<1 || dvd_chapter>tt_srpt->title[dvd_title].nr_of_ptts ) {
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mp_msg(MSGT_OPEN,MSGL_ERR, MSGTR_DVDinvalidChapter, dvd_chapter);
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ifoClose( vmg_file );
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DVDClose( dvd );
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return NULL;
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}
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if( dvd_last_chapter>0 ) {
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if ( dvd_last_chapter<dvd_chapter || dvd_last_chapter>tt_srpt->title[dvd_title].nr_of_ptts ) {
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mp_msg(MSGT_OPEN,MSGL_ERR, "Invalid DVD last chapter number: %d\n", dvd_last_chapter);
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ifoClose( vmg_file );
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DVDClose( dvd );
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return NULL;
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}
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}
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--dvd_chapter; // remap 1.. -> 0..
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/* XXX No need to remap dvd_last_chapter */
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/**
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* Make sure the angle number is valid for this title.
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*/
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mp_msg(MSGT_OPEN,MSGL_INFO, MSGTR_DVDnumAngles,
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tt_srpt->title[dvd_title].nr_of_angles );
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if( dvd_angle<1 || dvd_angle>tt_srpt->title[dvd_title].nr_of_angles ) {
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mp_msg(MSGT_OPEN,MSGL_ERR, MSGTR_DVDinvalidAngle, dvd_angle);
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ifoClose( vmg_file );
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DVDClose( dvd );
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return NULL;
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}
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--dvd_angle; // remap 1.. -> 0..
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/**
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* Load the VTS information for the title set our title is in.
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*/
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vts_file = ifoOpen( dvd, tt_srpt->title[dvd_title].title_set_nr );
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if( !vts_file ) {
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mp_msg(MSGT_OPEN,MSGL_ERR, MSGTR_DVDnoIFO,
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tt_srpt->title[dvd_title].title_set_nr );
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ifoClose( vmg_file );
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DVDClose( dvd );
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return NULL;
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}
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/**
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* We've got enough info, time to open the title set data.
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*/
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title = DVDOpenFile( dvd, tt_srpt->title[dvd_title].title_set_nr,
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DVD_READ_TITLE_VOBS );
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if( !title ) {
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mp_msg(MSGT_OPEN,MSGL_ERR, MSGTR_DVDnoVOBs,
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tt_srpt->title[dvd_title].title_set_nr );
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ifoClose( vts_file );
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ifoClose( vmg_file );
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DVDClose( dvd );
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return NULL;
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}
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mp_msg(MSGT_OPEN,MSGL_INFO, MSGTR_DVDopenOk);
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// store data
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d=malloc(sizeof(dvd_priv_t)); memset(d,0,sizeof(dvd_priv_t));
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d->dvd=dvd;
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d->title=title;
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d->vmg_file=vmg_file;
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d->tt_srpt=tt_srpt;
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d->vts_file=vts_file;
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/**
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* Check number of audio channels and types
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*/
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{
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int ac3aid = 128;
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int mpegaid = 0;
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int pcmaid = 160;
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d->nr_of_channels=0;
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if ( vts_file->vts_pgcit )
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{
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int i;
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for ( i=0;i<8;i++ )
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if ( vts_file->vts_pgcit->pgci_srp[0].pgc->audio_control[i] & 0x8000 )
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{
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audio_attr_t * audio = &vts_file->vtsi_mat->vts_audio_attr[i];
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int language = 0;
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char tmp[] = "unknown";
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if ( audio->lang_type == 1 )
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{
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language=audio->lang_code;
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tmp[0]=language>>8;
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tmp[1]=language&0xff;
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tmp[2]=0;
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}
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d->audio_streams[d->nr_of_channels].language=language;
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d->audio_streams[d->nr_of_channels].id=0;
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switch ( audio->audio_format )
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{
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case 0: // ac3
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case 6: // dts
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d->audio_streams[d->nr_of_channels].id=ac3aid;
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ac3aid++;
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break;
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case 2: // mpeg layer 1/2/3
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case 3: // mpeg2 ext
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d->audio_streams[d->nr_of_channels].id=mpegaid;
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mpegaid++;
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break;
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case 4: // lpcm
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d->audio_streams[d->nr_of_channels].id=pcmaid;
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pcmaid++;
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break;
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}
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mp_msg(MSGT_OPEN,MSGL_V,"[open] audio stream: %d audio format: %s language: %s aid: %d\n",
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d->nr_of_channels,
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dvd_audio_stream_types[ audio->audio_format ],
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tmp,
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d->audio_streams[d->nr_of_channels].id
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);
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d->nr_of_channels++;
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}
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}
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mp_msg(MSGT_OPEN,MSGL_V,"[open] number of audio channels on disk: %d.\n",d->nr_of_channels );
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}
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/**
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* Check number of subtitles and language
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*/
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{
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int i;
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d->nr_of_subtitles=0;
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for ( i=0;i<32;i++ )
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if ( vts_file->vts_pgcit->pgci_srp[0].pgc->subp_control[i] & 0x80000000 )
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{
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subp_attr_t * subtitle = &vts_file->vtsi_mat->vts_subp_attr[i];
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int language = 0;
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char tmp[] = "unknown";
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if ( subtitle->type == 1 )
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{
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language=subtitle->lang_code;
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tmp[0]=language>>8;
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tmp[1]=language&0xff;
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tmp[2]=0;
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}
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d->subtitles[ d->nr_of_subtitles ].language=language;
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d->subtitles[ d->nr_of_subtitles ].id=d->nr_of_subtitles;
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mp_msg(MSGT_OPEN,MSGL_V,"[open] subtitle ( sid ): %d language: %s\n",
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d->nr_of_subtitles,
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tmp
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);
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d->nr_of_subtitles++;
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}
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mp_msg(MSGT_OPEN,MSGL_V,"[open] number of subtitles on disk: %d\n",d->nr_of_subtitles );
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}
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/**
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* Determine which program chain we want to watch. This is based on the
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* chapter number.
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*/
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ttn = tt_srpt->title[ dvd_title ].vts_ttn; // local
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pgc_id = vts_file->vts_ptt_srpt->title[ttn-1].ptt[dvd_chapter].pgcn; // local
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pgn = vts_file->vts_ptt_srpt->title[ttn-1].ptt[dvd_chapter].pgn; // local
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d->cur_pgc = vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc;
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d->cur_cell = d->cur_pgc->program_map[pgn-1] - 1; // start playback here
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d->packs_left=-1; // for Navi stuff
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d->angle_seek=0;
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/* XXX dvd_last_chapter is in the range 1..nr_of_ptts */
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if ( dvd_last_chapter > 0 && dvd_last_chapter < tt_srpt->title[ttn-1].nr_of_ptts ) {
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pgn=vts_file->vts_ptt_srpt->title[ttn-1].ptt[dvd_last_chapter].pgn;
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d->last_cell=d->cur_pgc->program_map[pgn-1] - 1;
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}
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else
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d->last_cell=d->cur_pgc->nr_of_cells;
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if( d->cur_pgc->cell_playback[d->cur_cell].block_type
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== BLOCK_TYPE_ANGLE_BLOCK ) d->cur_cell+=dvd_angle;
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d->cur_pack = d->cur_pgc->cell_playback[ d->cur_cell ].first_sector;
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d->cell_last_pack=d->cur_pgc->cell_playback[ d->cur_cell ].last_sector;
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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);
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// ... (unimplemented)
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// return NULL;
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stream=new_stream(-1,STREAMTYPE_DVD);
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stream->start_pos=(off_t)d->cur_pack*2048;
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stream->end_pos=(off_t)(d->cur_pgc->cell_playback[d->last_cell-1].last_sector)*2048;
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mp_msg(MSGT_DVD,MSGL_V,"DVD start=%d end=%d \n",d->cur_pack,d->cur_pgc->cell_playback[d->last_cell-1].last_sector);
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stream->priv=(void*)d;
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return stream;
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}
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#endif
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#ifdef USE_TV
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//============ Check for TV-input ====
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if (tv_param_on == 1)
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{
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/* create stream */
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stream = new_stream(-1, STREAMTYPE_TV);
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if (!stream)
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return(NULL);
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/* create tvi handler */
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tv_handler = tv_begin();
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if (!tv_handler)
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return(NULL);
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/* preinit */
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if (!tv_init(tv_handler))
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goto tv_err;
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if (!stream_open_tv(stream, tv_handler))
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goto tv_err;
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return(stream);
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/* something went wrong - uninit */
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tv_err:
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tv_uninit(tv_handler);
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return(NULL);
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}
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#endif
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//============ Check for multi file-input ====
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if (mf_support == 1)
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{
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/* create stream */
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stream = new_stream(-1, STREAMTYPE_MF);
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if (!stream)
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return(NULL);
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if (!stream_open_mf(filename, stream))
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return(NULL);
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return(stream);
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}
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#ifdef STREAMING
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url = url_new(filename);
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if(url) {
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stream=new_stream(f,STREAMTYPE_STREAM);
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if( streaming_start( stream, file_format, url )<0){
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mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_UnableOpenURL, filename);
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url_free(url);
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return NULL;
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}
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mp_msg(MSGT_OPEN,MSGL_INFO,MSGTR_ConnToServer, url->hostname );
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url_free(url);
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return stream;
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}
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#endif
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//============ Open STDIN or plain FILE ============
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if(!strcmp(filename,"-")){
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// read from stdin
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mp_msg(MSGT_OPEN,MSGL_INFO,MSGTR_ReadSTDIN);
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f=0; // 0=stdin
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} else {
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f=open(filename,O_RDONLY);
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if(f<0){ mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_FileNotFound,filename);return NULL; }
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}
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len=lseek(f,0,SEEK_END); lseek(f,0,SEEK_SET);
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if (len == -1)
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return new_stream(f,STREAMTYPE_STREAM); // open as stream
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#ifdef _LARGEFILE_SOURCE
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mp_msg(MSGT_OPEN,MSGL_V,"File size is %lld bytes\n", (long long)len);
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#else
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mp_msg(MSGT_OPEN,MSGL_V,"File size is %u bytes\n", (unsigned int)len);
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#endif
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stream=new_stream(f,STREAMTYPE_FILE);
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stream->end_pos=len;
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return stream;
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}
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int dvd_parse_chapter_range(struct config *conf, const char *range){
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char *s, *t;
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conf; /* prevent warning from GCC */
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s = range;
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dvd_chapter = 1;
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dvd_last_chapter = 0;
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if (*range && isdigit(*range)) {
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dvd_chapter = strtol(range, &s, 10);
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if (range == s) {
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mp_msg(MSGT_OPEN, MSGL_ERR, "Invalid chapter range specification %s\n", range);
|
|
return -1;
|
|
}
|
|
}
|
|
if (*s == 0)
|
|
return 0;
|
|
else if (*s != '-') {
|
|
mp_msg(MSGT_OPEN, MSGL_ERR, "Invalid chapter range specification %s\n", range);
|
|
return -1;
|
|
}
|
|
++s;
|
|
if (*s == 0)
|
|
return 0;
|
|
if (! isdigit(*s)) {
|
|
mp_msg(MSGT_OPEN, MSGL_ERR, "Invalid chapter range specification %s\n", range);
|
|
return -1;
|
|
}
|
|
dvd_last_chapter = strtol(s, &t, 10);
|
|
if (s == t || *t) {
|
|
mp_msg(MSGT_OPEN, MSGL_ERR, "Invalid chapter range specification %s\n", range);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#ifdef USE_DVDREAD
|
|
|
|
int dvd_aid_from_lang(stream_t *stream, unsigned char* lang){
|
|
dvd_priv_t *d=stream->priv;
|
|
int code,i;
|
|
while(lang && strlen(lang)>=2){
|
|
code=lang[1]|(lang[0]<<8);
|
|
for(i=0;i<d->nr_of_channels;i++){
|
|
if(d->audio_streams[i].language==code){
|
|
mp_msg(MSGT_OPEN,MSGL_INFO,"Selected DVD audio channel: %d language: %c%c\n",
|
|
d->audio_streams[i].id, lang[0],lang[1]);
|
|
return d->audio_streams[i].id;
|
|
}
|
|
// printf("%X != %X (%c%c)\n",code,d->audio_streams[i].language,lang[0],lang[1]);
|
|
}
|
|
lang+=2; while (lang[0]==',' || lang[0]==' ') ++lang;
|
|
}
|
|
mp_msg(MSGT_OPEN,MSGL_WARN,"No matching DVD audio language found!\n");
|
|
return -1;
|
|
}
|
|
|
|
int dvd_sid_from_lang(stream_t *stream, unsigned char* lang){
|
|
dvd_priv_t *d=stream->priv;
|
|
int code,i;
|
|
while(lang && strlen(lang)>=2){
|
|
code=lang[1]|(lang[0]<<8);
|
|
for(i=0;i<d->nr_of_subtitles;i++){
|
|
if(d->subtitles[i].language==code){
|
|
mp_msg(MSGT_OPEN,MSGL_INFO,"Selected DVD subtitle channel: %d language: %c%c\n",
|
|
d->subtitles[i].id, lang[0],lang[1]);
|
|
return d->subtitles[i].id;
|
|
}
|
|
}
|
|
lang+=2; while (lang[0]==',' || lang[0]==' ') ++lang;
|
|
}
|
|
mp_msg(MSGT_OPEN,MSGL_WARN,"No matching DVD subtitle language found!\n");
|
|
return -1;
|
|
}
|
|
|
|
static int dvd_next_cell(dvd_priv_t *d){
|
|
int next_cell=d->cur_cell;
|
|
|
|
mp_msg(MSGT_DVD,MSGL_V, "dvd_next_cell: next1=0x%X \n",next_cell);
|
|
|
|
if( d->cur_pgc->cell_playback[ next_cell ].block_type
|
|
== BLOCK_TYPE_ANGLE_BLOCK ) {
|
|
while(next_cell<d->last_cell){
|
|
if( d->cur_pgc->cell_playback[next_cell].block_mode
|
|
== BLOCK_MODE_LAST_CELL ) break;
|
|
++next_cell;
|
|
}
|
|
}
|
|
mp_msg(MSGT_DVD,MSGL_V, "dvd_next_cell: next2=0x%X \n",next_cell);
|
|
|
|
++next_cell;
|
|
if(next_cell>=d->last_cell) 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->last_cell) return -1; // EOF
|
|
}
|
|
mp_msg(MSGT_DVD,MSGL_V, "dvd_next_cell: next3=0x%X \n",next_cell);
|
|
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!!!
|
|
#if LIBDVDREAD_VERSION >= DVDREAD_VERSION(0,9,0)
|
|
navRead_DSI( &d->dsi_pack, &(data[ DSI_START_BYTE ]) );
|
|
#else
|
|
navRead_DSI( &d->dsi_pack, &(data[ DSI_START_BYTE ]), sizeof(dsi_t) );
|
|
#endif
|
|
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);
|
|
if(d->angle_seek){
|
|
int skip=d->dsi_pack.sml_agli.data[dvd_angle].address;
|
|
if(skip) d->cur_pack=d->dsi_pack.dsi_gi.nv_pck_lbn+skip;
|
|
d->angle_seek=0;
|
|
mp_msg(MSGT_DVD,MSGL_V, "Angle-seek synced! skip=%d new_lba=0x%X \n",skip,d->cur_pack);
|
|
}
|
|
}
|
|
++d->cur_pack;
|
|
goto read_next;
|
|
}
|
|
|
|
++d->cur_pack;
|
|
if(d->packs_left>=0) --d->packs_left;
|
|
|
|
if(d->angle_seek) goto read_next; // searching for Navi packet
|
|
|
|
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);
|
|
|
|
// if we're in interleaved multi-angle cell, find the right angle chain!
|
|
// (read Navi block, and use the seamless angle jump table)
|
|
d->angle_seek=1;
|
|
|
|
}
|
|
|
|
#endif
|