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mpv/stream/stream_dvd.c

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#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include "config.h"
#include "mp_msg.h"
#include "help_mp.h"
#ifdef __FreeBSD__
#include <sys/cdrio.h>
#endif
#ifdef __linux__
#include <linux/cdrom.h>
#include <scsi/sg.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#endif
#define FIRST_AC3_AID 128
#define FIRST_DTS_AID 136
#define FIRST_MPG_AID 0
#define FIRST_PCM_AID 160
#include "stream.h"
#include "m_option.h"
#include "m_struct.h"
#include "stream_dvd.h"
#include "stream_dvd_common.h"
#include "libmpdemux/demuxer.h"
extern int stream_cache_size;
extern char* dvd_device;
int dvd_angle=1;
int dvd_speed=0; /* 0 => don't touch speed */
static void dvd_set_speed(char *device, unsigned speed)
{
#if defined(__linux__) && defined(SG_IO) && defined(GPCMD_SET_STREAMING)
int fd;
unsigned char buffer[28];
unsigned char cmd[16];
unsigned char sense[16];
struct sg_io_hdr sghdr;
struct stat st;
memset(&sghdr, 0, sizeof(sghdr));
memset(buffer, 0, sizeof(buffer));
memset(sense, 0, sizeof(sense));
memset(cmd, 0, sizeof(cmd));
memset(&st, 0, sizeof(st));
if (stat(device, &st) == -1) return;
if (!S_ISBLK(st.st_mode)) return; /* not a block device */
if ((fd = open(device, O_RDWR | O_NONBLOCK)) == -1) {
mp_msg(MSGT_OPEN, MSGL_INFO, MSGTR_DVDspeedCantOpen);
return;
}
if (speed < 100) { /* speed times 1350KB/s (DVD single speed) */
speed *= 1350;
}
switch (speed) {
case 0: /* don't touch speed setting */
return;
case -1: /* restore default value */
if (dvd_speed == 0) return; /* we haven't touched the speed setting */
speed = 0;
buffer[0] = 4; /* restore default */
mp_msg(MSGT_OPEN, MSGL_INFO, MSGTR_DVDrestoreSpeed);
break;
default: /* limit to <speed> KB/s */
mp_msg(MSGT_OPEN, MSGL_INFO, MSGTR_DVDlimitSpeed, speed);
break;
}
sghdr.interface_id = 'S';
sghdr.timeout = 5000;
sghdr.dxfer_direction = SG_DXFER_TO_DEV;
sghdr.mx_sb_len = sizeof(sense);
sghdr.dxfer_len = sizeof(buffer);
sghdr.cmd_len = sizeof(cmd);
sghdr.sbp = sense;
sghdr.dxferp = buffer;
sghdr.cmdp = cmd;
cmd[0] = GPCMD_SET_STREAMING;
cmd[10] = sizeof(buffer);
buffer[8] = 0xff; /* first sector 0, last sector 0xffffffff */
buffer[9] = 0xff;
buffer[10] = 0xff;
buffer[11] = 0xff;
buffer[12] = buffer[20] = (speed >> 24) & 0xff; /* <speed> kilobyte */
buffer[13] = buffer[21] = (speed >> 16) & 0xff;
buffer[14] = buffer[22] = (speed >> 8) & 0xff;
buffer[15] = buffer[23] = speed & 0xff;
buffer[18] = buffer[26] = 0x03; /* 1 second */
buffer[19] = buffer[27] = 0xe8;
if (ioctl(fd, SG_IO, &sghdr) < 0) {
mp_msg(MSGT_OPEN, MSGL_INFO, MSGTR_DVDlimitFail);
}
mp_msg(MSGT_OPEN, MSGL_INFO, MSGTR_DVDlimitOk);
#endif
}
#define LIBDVDREAD_VERSION(maj,min,micro) ((maj)*10000 + (min)*100 + (micro))
/*
* Try to autodetect the libdvd-0.9.0 library
* (0.9.0 removed the <dvdread/dvd_udf.h> header, and moved the two defines
* DVD_VIDEO_LB_LEN and MAX_UDF_FILE_NAME_LEN from it to
* <dvdread/dvd_reader.h>)
*/
#ifndef DVDREAD_VERSION
#if defined(DVD_VIDEO_LB_LEN) && defined(MAX_UDF_FILE_NAME_LEN)
#define DVDREAD_VERSION LIBDVDREAD_VERSION(0,9,0)
#else
#define DVDREAD_VERSION LIBDVDREAD_VERSION(0,8,0)
#endif
#endif
char * dvd_audio_stream_types[8] = { "ac3","unknown","mpeg1","mpeg2ext","lpcm","unknown","dts" };
char * dvd_audio_stream_channels[6] = { "mono", "stereo", "unknown", "unknown", "5.1/6.1", "5.1" };
static struct stream_priv_s {
int title;
} stream_priv_dflts = {
1
};
#define ST_OFF(f) M_ST_OFF(struct stream_priv_s,f)
/// URL definition
static m_option_t stream_opts_fields[] = {
{ "hostname", ST_OFF(title), CONF_TYPE_INT, M_OPT_MIN, 1, 0, NULL },
{ NULL, NULL, 0, 0, 0, 0, NULL }
};
static struct m_struct_st stream_opts = {
"dvd",
sizeof(struct stream_priv_s),
&stream_priv_dflts,
stream_opts_fields
};
int dvd_parse_chapter_range(m_option_t *conf, const char *range) {
const char *s;
char *t;
if (!range)
return M_OPT_MISSING_PARAM;
s = range;
dvd_chapter = 1;
dvd_last_chapter = 0;
if(*range && isdigit(*range)) {
dvd_chapter = strtol(range, &s, 10);
if(range == s) {
mp_msg(MSGT_OPEN, MSGL_ERR, MSGTR_DVDinvalidChapterRange, range);
return M_OPT_INVALID;
}
}
if(*s == 0)
return 0;
else if(*s != '-') {
mp_msg(MSGT_OPEN, MSGL_ERR, MSGTR_DVDinvalidChapterRange, range);
return M_OPT_INVALID;
}
++s;
if(*s == 0)
return 0;
if(! isdigit(*s)) {
mp_msg(MSGT_OPEN, MSGL_ERR, MSGTR_DVDinvalidChapterRange, range);
return M_OPT_INVALID;
}
dvd_last_chapter = strtol(s, &t, 10);
if (s == t || *t) {
mp_msg(MSGT_OPEN, MSGL_ERR, MSGTR_DVDinvalidChapterRange, range);
return M_OPT_INVALID;
}
return 0;
}
int dvd_chapter_from_cell(dvd_priv_t* dvd,int title,int cell)
{
pgc_t * cur_pgc;
ptt_info_t* ptt;
int chapter = cell;
int pgc_id,pgn;
if(title < 0 || cell < 0){
return 0;
}
/* for most DVD's chapter == cell */
/* but there are more complecated cases... */
if(chapter >= dvd->vmg_file->tt_srpt->title[title].nr_of_ptts) {
chapter = dvd->vmg_file->tt_srpt->title[title].nr_of_ptts-1;
}
title = dvd->tt_srpt->title[title].vts_ttn-1;
ptt = dvd->vts_file->vts_ptt_srpt->title[title].ptt;
while(chapter >= 0) {
pgc_id = ptt[chapter].pgcn;
pgn = ptt[chapter].pgn;
cur_pgc = dvd->vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc;
if(cell >= cur_pgc->program_map[pgn-1]-1) {
return chapter;
}
--chapter;
}
/* didn't find a chapter ??? */
return chapter;
}
int dvd_lang_from_aid(stream_t *stream, int id) {
dvd_priv_t *d;
int i;
if (!stream) return 0;
d = stream->priv;
if (!d) return 0;
for(i=0;i<d->nr_of_channels;i++) {
if(d->audio_streams[i].id==id)
return d->audio_streams[i].language;
}
return 0;
}
int dvd_aid_from_lang(stream_t *stream, unsigned char* lang) {
dvd_priv_t *d=stream->priv;
int code,i;
if(lang) {
while(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,MSGTR_DVDaudioChannel,
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,MSGTR_DVDnoMatchingAudio);
}
return -1;
}
int dvd_number_of_subs(stream_t *stream) {
int i;
int maxid = -1;
dvd_priv_t *d;
if (!stream) return -1;
d = stream->priv;
if (!d) return -1;
for (i = 0; i < d->nr_of_subtitles; i++)
if (d->subtitles[i].id > maxid) maxid = d->subtitles[i].id;
return maxid + 1;
}
int dvd_lang_from_sid(stream_t *stream, int id) {
int i;
dvd_priv_t *d;
if (!stream) return 0;
d = stream->priv;
if (!d) return 0;
for (i = 0; i < d->nr_of_subtitles; i++)
if (d->subtitles[i].id == id && d->subtitles[i].language) return d->subtitles[i].language;
return 0;
}
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,MSGTR_DVDsubtitleChannel, i, lang[0],lang[1]);
return d->subtitles[i].id;
}
}
lang+=2;
while (lang[0]==',' || lang[0]==' ') ++lang;
}
mp_msg(MSGT_OPEN,MSGL_WARN,MSGTR_DVDnoMatchingSubtitle);
return -1;
}
static int dvd_next_cell(dvd_priv_t *d) {
int next_cell=d->cur_cell;
mp_msg(MSGT_DVD,MSGL_DBG2, "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_DBG2, "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_DBG2, "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 DVDREAD_VERSION >= LIBDVDREAD_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);
//navPrint_DSI(&d->dsi_pack);
mp_msg(MSGT_DVD,MSGL_DBG3,"\r### CELL %d: Navi: %d/%d IFO: %d/%d \n",d->cur_cell,
d->dsi_pack.dsi_gi.vobu_c_idn,d->dsi_pack.dsi_gi.vobu_vob_idn,
d->cur_pgc->cell_position[d->cur_cell].cell_nr,
d->cur_pgc->cell_position[d->cur_cell].vob_id_nr);
if(d->angle_seek) {
int i,skip=0;
#if defined(__GNUC__) && ( defined(__sparc__) || defined(hpux) )
// workaround for a bug in the sparc/hpux version of gcc 2.95.X ... 3.2,
// it generates incorrect code for unaligned access to a packed
// structure member, resulting in an mplayer crash with a SIGBUS
// signal.
//
// See also gcc problem report PR c/7847:
// http://gcc.gnu.org/cgi-bin/gnatsweb.pl?database=gcc&cmd=view+audit-trail&pr=7847
for(i=0;i<9;i++) { // check if all values zero:
typeof(d->dsi_pack.sml_agli.data[i].address) tmp_addr;
memcpy(&tmp_addr,&d->dsi_pack.sml_agli.data[i].address,sizeof(tmp_addr));
if((skip=tmp_addr)!=0) break;
}
#else
for(i=0;i<9;i++) // check if all values zero:
if((skip=d->dsi_pack.sml_agli.data[i].address)!=0) break;
#endif
if(skip) {
// sml_agli table has valid data (at least one non-zero):
d->cur_pack=d->dsi_pack.dsi_gi.nv_pck_lbn+
d->dsi_pack.sml_agli.data[dvd_angle].address;
d->angle_seek=0;
mp_msg(MSGT_DVD,MSGL_V, "Angle-seek synced using sml_agli map! new_lba=0x%X \n",d->cur_pack);
} else {
// check if we're in the right cell, jump otherwise:
if( (d->dsi_pack.dsi_gi.vobu_c_idn==d->cur_pgc->cell_position[d->cur_cell].cell_nr) &&
(d->dsi_pack.dsi_gi.vobu_vob_idn==d->cur_pgc->cell_position[d->cur_cell].vob_id_nr) ){
d->angle_seek=0;
mp_msg(MSGT_DVD,MSGL_V, "Angle-seek synced by cell/vob IDN search! \n");
} else {
// wrong angle, skip this vobu:
d->cur_pack=d->dsi_pack.dsi_gi.nv_pck_lbn+
d->dsi_pack.dsi_gi.vobu_ea;
d->angle_seek=2; // DEBUG
}
}
}
}
++d->cur_pack;
goto read_next;
}
++d->cur_pack;
if(d->packs_left>=0) --d->packs_left;
if(d->angle_seek) {
if(d->angle_seek==2) mp_msg(MSGT_DVD,MSGL_V, "!!! warning! reading packet while angle_seek !!!\n");
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;
}
void dvd_close(dvd_priv_t *d) {
ifoClose(d->vts_file);
ifoClose(d->vmg_file);
DVDCloseFile(d->title);
DVDClose(d->dvd);
dvd_chapter = 1;
dvd_last_chapter = 0;
dvd_set_speed(dvd_device, -1); /* -1 => restore default */
}
static int fill_buffer(stream_t *s, char *but, int len)
{
if(s->type == STREAMTYPE_DVD) {
off_t pos=dvd_read_sector(s->priv,s->buffer);
if(pos>=0) {
len=2048; // full sector
s->pos=2048*pos-len;
} else len=-1; // error
}
return len;
}
static int seek(stream_t *s, off_t newpos) {
s->pos=newpos; // real seek
dvd_seek(s->priv,s->pos/2048);
return 1;
}
static void stream_dvd_close(stream_t *s) {
dvd_close(s->priv);
}
static int mp_get_titleset_length(ifo_handle_t *vts_file, tt_srpt_t *tt_srpt, int title_no)
{
int vts_ttn; ///< title number within video title set
int pgc_no; ///< program chain number
int msec; ///< time length in milliseconds
msec=0;
if(!vts_file || !tt_srpt)
return 0;
if(vts_file->vtsi_mat && vts_file->vts_pgcit)
{
vts_ttn = tt_srpt->title[title_no].vts_ttn - 1;
pgc_no = vts_file->vts_ptt_srpt->title[vts_ttn].ptt[0].pgcn - 1;
msec = mp_dvdtimetomsec(&vts_file->vts_pgcit->pgci_srp[pgc_no].pgc->playback_time);
}
return msec;
}
static int mp_describe_titleset(dvd_reader_t *dvd, tt_srpt_t *tt_srpt, int vts_no)
{
ifo_handle_t *vts_file;
int title_no, msec=0;
vts_file = ifoOpen(dvd, vts_no);
if(!vts_file)
return 0;
if(!vts_file->vtsi_mat || !vts_file->vts_pgcit)
{
ifoClose(vts_file);
return 0;
}
for(title_no = 0; title_no < tt_srpt->nr_of_srpts; title_no++)
{
if (tt_srpt->title[title_no].title_set_nr != vts_no)
continue;
msec = mp_get_titleset_length(vts_file, tt_srpt, title_no);
mp_msg(MSGT_IDENTIFY, MSGL_V, "ID_DVD_TITLE_%d_LENGTH=%d.%03d\n", title_no + 1, msec / 1000, msec % 1000);
}
ifoClose(vts_file);
return 1;
}
static int seek_to_chapter(stream_t *stream, ifo_handle_t *vts_file, tt_srpt_t *tt_srpt, int title_no, int chapter)
{
int cell;
ptt_info_t ptt;
pgc_t *pgc;
off_t pos;
if(!vts_file || !tt_srpt)
return 0;
if(chapter < 0 || chapter > vts_file->vts_ptt_srpt->title[title_no].nr_of_ptts-1) //no such chapter
return 0;
ptt = vts_file->vts_ptt_srpt->title[title_no].ptt[chapter];
pgc = vts_file->vts_pgcit->pgci_srp[ptt.pgcn-1].pgc;
cell = pgc->program_map[ptt.pgn - 1] - 1;
pos = (off_t) pgc->cell_playback[cell].first_sector * 2048;
mp_msg(MSGT_OPEN,MSGL_V,"\r\nSTREAM_DVD, seeked to chapter: %d, cell: %u, pos: %"PRIu64"\n",
chapter, pgc->cell_playback[cell].first_sector, pos);
stream_seek(stream, pos);
return chapter;
}
static void list_chapters(pgc_t *pgc)
{
unsigned int i, cell;
unsigned int t=0, t2=0;
if(pgc->nr_of_programs < 2)
return;
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "CHAPTERS: ");
for(i=0; i<pgc->nr_of_programs; i++)
{
cell = pgc->program_map[i]; //here the cell is 1-based
t2 = t/1000;
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "%02d:%02d:%02d,", t2/3600, (t2/60)%60, t2%60);
while(i+1<pgc->nr_of_programs && cell < pgc->program_map[i+1]) {
if(!(pgc->cell_playback[cell-1].block_type == BLOCK_TYPE_ANGLE_BLOCK &&
pgc->cell_playback[cell-1].block_mode != BLOCK_MODE_FIRST_CELL)
)
t += mp_dvdtimetomsec(&pgc->cell_playback[cell-1].playback_time);
cell++;
}
}
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "\n");
}
static double dvd_get_current_time(stream_t *stream, int cell)
{
int i, tm;
dvd_priv_t *d = stream->priv;
tm=0;
if(!cell) cell=d->cur_cell;
for(i=0; i<d->cur_cell; i++) {
if(d->cur_pgc->cell_playback[i].block_type == BLOCK_TYPE_ANGLE_BLOCK &&
d->cur_pgc->cell_playback[i].block_mode != BLOCK_MODE_FIRST_CELL
)
continue;
tm += d->cell_times_table[i];
}
tm += mp_dvdtimetomsec(&d->dsi_pack.dsi_gi.c_eltm);
return (double)tm/1000.0;
}
static int dvd_seek_to_time(stream_t *stream, ifo_handle_t *vts_file, double sec)
{
unsigned int i, j, k, timeunit, ac_time, tmap_sector=0, cell_sector=0, vobu_sector=0;
int t=0;
double tm, duration;
off_t pos = -1;
dvd_priv_t *d = stream->priv;
vts_tmapt_t *vts_tmapt = vts_file->vts_tmapt;
if(!vts_file->vts_tmapt || sec < 0)
return 0;
duration = (double) mp_get_titleset_length(d->vts_file, d->tt_srpt, d->cur_title-1) / 1000.0f;
if(sec > duration)
return 0;
i=d->cur_pgc_idx;
timeunit = vts_tmapt->tmap[i].tmu;
for(j = 0; j < vts_tmapt->tmap[i].nr_of_entries; j++) {
ac_time = timeunit * (j + 1);
if(ac_time >= sec)
break;
tmap_sector = vts_tmapt->tmap[i].map_ent[j] & 0x7fffffff;
}
//search enclosing cell
for(i=0; i<d->cur_pgc->nr_of_cells; i++) {
if(tmap_sector >= d->cur_pgc->cell_playback[i].first_sector && tmap_sector <= d->cur_pgc->cell_playback[i].last_sector) {
cell_sector = d->cur_pgc->cell_playback[i].first_sector;
break;
}
}
pos = ((off_t)cell_sector)<<11;
stream_seek(stream, pos);
do {
stream_skip(stream, 2048);
t = mp_dvdtimetomsec(&d->dsi_pack.dsi_gi.c_eltm);
} while(!t);
tm = dvd_get_current_time(stream, 0);
pos = ((off_t)tmap_sector)<<11;
stream_seek(stream, pos);
//now get current time in terms of the cell+cell time offset
memset(&d->dsi_pack.dsi_gi.c_eltm, 0, sizeof(dvd_time_t));
while(tm <= sec) {
if(!stream_skip(stream, 2048))
break;
tm = dvd_get_current_time(stream, 0);
};
tmap_sector = stream->pos >> 11;
//search closest VOBU sector
k=(vts_file->vts_vobu_admap->last_byte + 1 - VOBU_ADMAP_SIZE)/4; //entries in the vobu admap
for(i=1; i<k; i++) {
if(vts_file->vts_vobu_admap->vobu_start_sectors[i] > tmap_sector)
break;
}
vobu_sector = vts_file->vts_vobu_admap->vobu_start_sectors[i-1];
pos = ((off_t)vobu_sector) << 11;
stream_seek(stream, pos);
return 1;
}
static int control(stream_t *stream,int cmd,void* arg)
{
dvd_priv_t *d = stream->priv;
switch(cmd)
{
case STREAM_CTRL_GET_TIME_LENGTH:
{
*((double *)arg) = (double) mp_get_titleset_length(d->vts_file, d->tt_srpt, d->cur_title-1)/1000.0;
return 1;
}
case STREAM_CTRL_GET_NUM_CHAPTERS:
{
if(! d->cur_pgc->nr_of_programs) return STREAM_UNSUPPORTED;
*((unsigned int *)arg) = d->cur_pgc->nr_of_programs;
return 1;
}
case STREAM_CTRL_SEEK_TO_CHAPTER:
{
int r;
if(stream_cache_size > 0) return STREAM_UNSUPPORTED;
r = seek_to_chapter(stream, d->vts_file, d->tt_srpt, d->cur_title-1, *((unsigned int *)arg));
if(! r) return STREAM_UNSUPPORTED;
return 1;
}
case STREAM_CTRL_GET_CURRENT_CHAPTER:
{
if(stream_cache_size > 0) return STREAM_UNSUPPORTED;
*((unsigned int *)arg) = dvd_chapter_from_cell(d, d->cur_title-1, d->cur_cell);
return 1;
}
case STREAM_CTRL_GET_CURRENT_TIME:
{
double tm;
if(stream_cache_size > 0) return STREAM_UNSUPPORTED;
tm = dvd_get_current_time(stream, 0);
if(tm != -1) {
*((double *)arg) = tm;
return 1;
}
break;
}
case STREAM_CTRL_SEEK_TO_TIME:
{
if(stream_cache_size > 0) return STREAM_UNSUPPORTED;
if(dvd_seek_to_time(stream, d->vts_file, *((double*)arg)))
return 1;
break;
}
case STREAM_CTRL_GET_ASPECT_RATIO:
{
*((double *)arg) = !d->vts_file->vtsi_mat->vts_video_attr.display_aspect_ratio ? 4.0/3.0 : 16.0/9.0;
return 1;
}
}
return STREAM_UNSUPPORTED;
}
static int open_s(stream_t *stream,int mode, void* opts, int* file_format) {
struct stream_priv_s* p = (struct stream_priv_s*)opts;
char *filename;
int k;
filename = strdup(stream->url);
mp_msg(MSGT_OPEN,MSGL_V,"URL: %s\n", filename);
dvd_title = p->title;
if(1){
//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;
pgc_t *pgc;
/**
* Open the disc.
*/
if(!dvd_device) dvd_device=strdup(DEFAULT_DVD_DEVICE);
dvd_set_speed(dvd_device, dvd_speed);
#ifdef SYS_DARWIN
/* Dynamic DVD drive selection on Darwin */
if(!strcmp(dvd_device, "/dev/rdiskN")) {
int i;
size_t len = strlen(dvd_device)+1;
char *temp_device = malloc(len);
for (i = 1; i < 10; i++) {
snprintf(temp_device, len, "/dev/rdisk%d", i);
dvd = DVDOpen(temp_device);
if(!dvd) {
mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_CantOpenDVD,temp_device);
} else {
#if DVDREAD_VERSION <= LIBDVDREAD_VERSION(0,9,4)
dvd_file_t *dvdfile = DVDOpenFile(dvd,dvd_title,DVD_READ_INFO_FILE);
if(!dvdfile) {
mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_CantOpenDVD,temp_device);
DVDClose(dvd);
continue;
}
DVDCloseFile(dvdfile);
#endif
break;
}
}
free(temp_device);
if(!dvd) {
m_struct_free(&stream_opts,opts);
return STREAM_UNSUPPORTED;
}
} else
#endif /* SYS_DARWIN */
{
dvd = DVDOpen(dvd_device);
if(!dvd) {
mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_CantOpenDVD,dvd_device);
m_struct_free(&stream_opts,opts);
return STREAM_UNSUPPORTED;
}
}
mp_msg(MSGT_OPEN,MSGL_V,"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, MSGTR_DVDnoVMG);
DVDClose( dvd );
m_struct_free(&stream_opts,opts);
return STREAM_UNSUPPORTED;
}
tt_srpt = vmg_file->tt_srpt;
if (mp_msg_test(MSGT_IDENTIFY, MSGL_INFO))
{
int title_no; ///< title number
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_DVD_TITLES=%d\n", tt_srpt->nr_of_srpts);
for (title_no = 0; title_no < tt_srpt->nr_of_srpts; title_no++)
{
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_DVD_TITLE_%d_CHAPTERS=%d\n", title_no + 1, tt_srpt->title[title_no].nr_of_ptts);
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_DVD_TITLE_%d_ANGLES=%d\n", title_no + 1, tt_srpt->title[title_no].nr_of_angles);
}
}
if (mp_msg_test(MSGT_IDENTIFY, MSGL_V))
{
unsigned char discid [16]; ///< disk ID, a 128 bit MD5 sum
int vts_no; ///< video title set number
for (vts_no = 1; vts_no <= vmg_file->vts_atrt->nr_of_vtss; vts_no++)
mp_describe_titleset(dvd, tt_srpt, vts_no);
if (DVDDiscID(dvd, discid) >= 0)
{
int i;
mp_msg(MSGT_IDENTIFY, MSGL_V, "ID_DVD_DISC_ID=");
for (i = 0; i < 16; i ++)
mp_msg(MSGT_IDENTIFY, MSGL_V, "%02X", discid[i]);
mp_msg(MSGT_IDENTIFY, MSGL_V, "\n");
}
}
/**
* Make sure our title number is valid.
*/
mp_msg(MSGT_OPEN,MSGL_STATUS, MSGTR_DVDnumTitles, tt_srpt->nr_of_srpts );
if(dvd_title < 1 || dvd_title > tt_srpt->nr_of_srpts) {
mp_msg(MSGT_OPEN,MSGL_ERR, MSGTR_DVDinvalidTitle, dvd_title);
ifoClose( vmg_file );
DVDClose( dvd );
m_struct_free(&stream_opts,opts);
return STREAM_UNSUPPORTED;
}
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_DVD_CURRENT_TITLE=%d\n", dvd_title);
--dvd_title; // remap 1.. -> 0..
/**
* Make sure the chapter number is valid for this title.
*/
mp_msg(MSGT_OPEN,MSGL_STATUS, MSGTR_DVDnumChapters, 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, MSGTR_DVDinvalidChapter, dvd_chapter);
goto fail;
}
if(dvd_last_chapter>0) {
if(dvd_last_chapter<dvd_chapter || dvd_last_chapter>tt_srpt->title[dvd_title].nr_of_ptts) {
mp_msg(MSGT_OPEN,MSGL_ERR, MSGTR_DVDinvalidLastChapter, dvd_last_chapter);
goto fail;
}
}
--dvd_chapter; // remap 1.. -> 0..
/* XXX No need to remap dvd_last_chapter */
/**
* Make sure the angle number is valid for this title.
*/
mp_msg(MSGT_OPEN,MSGL_STATUS, MSGTR_DVDnumAngles, 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, MSGTR_DVDinvalidAngle, dvd_angle);
goto fail;
}
--dvd_angle; // remap 1.. -> 0..
ttn = tt_srpt->title[dvd_title].vts_ttn - 1;
/**
* 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, MSGTR_DVDnoIFO, tt_srpt->title[dvd_title].title_set_nr );
goto fail;
}
/**
* 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, MSGTR_DVDnoVOBs, tt_srpt->title[dvd_title].title_set_nr);
ifoClose( vts_file );
goto fail;
}
mp_msg(MSGT_OPEN,MSGL_V, "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;
d->cur_title = dvd_title+1;
pgc = vts_file->vts_pgcit ? vts_file->vts_pgcit->pgci_srp[ttn].pgc : NULL;
/**
* Check number of audio channels and types
*/
{
d->nr_of_channels=0;
if(vts_file->vts_pgcit) {
int i;
for(i=0;i<8;i++)
#ifdef USE_DVDREAD_INTERNAL
if(pgc->audio_control[i].present) {
#else
if(pgc->audio_control[i] & 0x8000) {
#endif
audio_attr_t * audio = &vts_file->vtsi_mat->vts_audio_attr[i];
int language = 0;
char tmp[] = "unknown";
stream_language_t *audio_stream = &d->audio_streams[d->nr_of_channels];
if(audio->lang_type == 1) {
language=audio->lang_code;
tmp[0]=language>>8;
tmp[1]=language&0xff;
tmp[2]=0;
}
audio_stream->language=language;
#ifdef USE_DVDREAD_INTERNAL
audio_stream->id=pgc->audio_control[i].s_audio;
#else
audio_stream->id=pgc->audio_control[i] >> 8 & 7;
#endif
switch(audio->audio_format) {
case 0: // ac3
audio_stream->id+=FIRST_AC3_AID;
break;
case 6: // dts
audio_stream->id+=FIRST_DTS_AID;
break;
case 2: // mpeg layer 1/2/3
case 3: // mpeg2 ext
audio_stream->id+=FIRST_MPG_AID;
break;
case 4: // lpcm
audio_stream->id+=FIRST_PCM_AID;
break;
}
audio_stream->type=audio->audio_format;
// Pontscho: to my mind, tha channels:
// 1 - stereo
// 5 - 5.1
audio_stream->channels=audio->channels;
mp_msg(MSGT_OPEN,MSGL_STATUS,MSGTR_DVDaudioStreamInfo,
d->nr_of_channels,
dvd_audio_stream_types[ audio->audio_format ],
dvd_audio_stream_channels[ audio->channels ],
tmp,
audio_stream->id
);
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_AUDIO_ID=%d\n", audio_stream->id);
if(language && tmp[0])
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_AID_%d_LANG=%s\n", audio_stream->id, tmp);
d->nr_of_channels++;
}
}
mp_msg(MSGT_OPEN,MSGL_STATUS,MSGTR_DVDnumAudioChannels,d->nr_of_channels );
}
/**
* Check number of subtitles and language
*/
{
int i;
d->nr_of_subtitles=0;
for(i=0;i<32;i++)
#ifdef USE_DVDREAD_INTERNAL
if(pgc->subp_control[i].present) {
#else
if(pgc->subp_control[i] & 0x80000000) {
#endif
subp_attr_t * subtitle = &vts_file->vtsi_mat->vts_subp_attr[i];
video_attr_t *video = &vts_file->vtsi_mat->vts_video_attr;
int language = 0;
char tmp[] = "unknown";
stream_language_t *sub_stream = &d->subtitles[d->nr_of_subtitles];
if(subtitle->type == 1) {
language=subtitle->lang_code;
tmp[0]=language>>8;
tmp[1]=language&0xff;
tmp[2]=0;
}
sub_stream->language=language;
sub_stream->id=d->nr_of_subtitles;
if(video->display_aspect_ratio == 0) /* 4:3 */
#ifdef USE_DVDREAD_INTERNAL
sub_stream->id = pgc->subp_control[i].s_4p3;
#else
sub_stream->id = pgc->subp_control[i] >> 24 & 31;
#endif
else if(video->display_aspect_ratio == 3) /* 16:9 */
#ifdef USE_DVDREAD_INTERNAL
sub_stream->id = pgc->subp_control[i].s_lbox;
#else
sub_stream->id = pgc->subp_control[i] >> 8 & 31;
#endif
mp_msg(MSGT_OPEN,MSGL_STATUS,MSGTR_DVDsubtitleLanguage, sub_stream->id, tmp);
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_SUBTITLE_ID=%d\n", sub_stream->id);
if(language && tmp[0])
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_SID_%d_LANG=%s\n", sub_stream->id, tmp);
d->nr_of_subtitles++;
}
mp_msg(MSGT_OPEN,MSGL_STATUS,MSGTR_DVDnumSubtitles,d->nr_of_subtitles);
}
/**
* Determine which program chain we want to watch. This is based on the
* chapter number.
*/
pgc_id = vts_file->vts_ptt_srpt->title[ttn].ptt[dvd_chapter].pgcn; // local
pgn = vts_file->vts_ptt_srpt->title[ttn].ptt[dvd_chapter].pgn; // local
d->cur_pgc_idx = pgc_id-1;
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
d->angle_seek=0;
/* XXX dvd_last_chapter is in the range 1..nr_of_ptts */
if(dvd_last_chapter > 0 && dvd_last_chapter < tt_srpt->title[dvd_title].nr_of_ptts) {
pgn=vts_file->vts_ptt_srpt->title[ttn].ptt[dvd_last_chapter].pgn;
d->last_cell=d->cur_pgc->program_map[pgn-1] - 1;
} else
d->last_cell=d->cur_pgc->nr_of_cells;
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);
//assign cell_times_table
d->cell_times_table = malloc(sizeof(unsigned int) * d->cur_pgc->nr_of_cells);
if(d->cell_times_table == NULL)
return STREAM_UNSUPPORTED;
for(k=0; k<d->cur_pgc->nr_of_cells; k++)
d->cell_times_table[k] = mp_dvdtimetomsec(&d->cur_pgc->cell_playback[k].playback_time);
list_chapters(d->cur_pgc);
// ... (unimplemented)
// return NULL;
stream->type = STREAMTYPE_DVD;
stream->sector_size = 2048;
stream->flags = STREAM_READ | STREAM_SEEK;
stream->fill_buffer = fill_buffer;
stream->seek = seek;
stream->control = control;
stream->close = stream_dvd_close;
stream->start_pos = (off_t)d->cur_pack*2048;
stream->end_pos = (off_t)(d->cur_pgc->cell_playback[d->last_cell-1].last_sector)*2048;
*file_format = DEMUXER_TYPE_MPEG_PS;
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);
stream->priv = (void*)d;
return STREAM_OK;
fail:
ifoClose(vmg_file);
DVDClose(dvd);
m_struct_free(&stream_opts, opts);
return STREAM_UNSUPPORTED;
}
mp_msg(MSGT_DVD,MSGL_ERR,MSGTR_NoDVDSupport);
m_struct_free(&stream_opts,opts);
return STREAM_UNSUPPORTED;
}
stream_info_t stream_info_dvd = {
"DVD stream",
"null",
"",
"",
open_s,
{ "dvd", NULL },
&stream_opts,
1 // Urls are an option string
};
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