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mirror of https://github.com/mpv-player/mpv synced 2024-12-13 18:36:09 +00:00
mpv/libmpdemux/open.c
bertrand 0545d44d07 Removed unnecessary check after the protocol autodetection.
Now it will try to start streaming even if the autodetection failed.
This will allow to work with web server that doesn't report a
proper mime-type.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@3604 b3059339-0415-0410-9bf9-f77b7e298cf2
2001-12-19 09:02:52 +00:00

554 lines
16 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include "config.h"
#include "mp_msg.h"
#include "help_mp.h"
#ifdef __FreeBSD__
#include <sys/cdrio.h>
#endif
#include "stream.h"
#include "demuxer.h"
#ifdef STREAMING
#include "url.h"
#include "network.h"
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/nav_read.h>
#define DVDREAD_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>)
*/
#if defined(DVD_VIDEO_LB_LEN) && defined(MAX_UDF_FILE_NAME_LEN)
#define LIBDVDREAD_VERSION DVDREAD_VERSION(0,9,0)
#else
#define LIBDVDREAD_VERSION DVDREAD_VERSION(0,8,0)
#endif
char * dvd_audio_stream_types[8] =
{ "ac3","unknown","mpeg1","mpeg2ext","lpcm","unknown","dts" };
#endif
extern int vcd_get_track_end(int fd,int track);
#ifdef USE_TV
#include "tv.h"
tvi_handle_t *tv_handler;
extern int stream_open_tv(stream_t *stream, tvi_handle_t *tvh);
#endif
// Open a new stream (stdin/file/vcd/url)
stream_t* open_stream(char* filename,int vcd_track,int* file_format){
stream_t* stream=NULL;
int f=-1;
off_t len;
#ifdef VCD_CACHE
int vcd_cache_size=128;
#endif
#ifdef __FreeBSD__
int bsize = VCD_SECTOR_SIZE;
#endif
//============ Open VideoCD track ==============
#ifdef HAVE_VCD
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);
ret2=vcd_get_track_end(f,vcd_track);
if(ret2<0){ mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_ErrTrackSelect " (get)\n");return NULL;}
ret=vcd_seek_to_track(f,vcd_track);
if(ret<0){ mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_ErrTrackSelect " (seek)\n");return NULL;}
// seek_to_byte+=ret;
mp_msg(MSGT_OPEN,MSGL_V,"VCD start byte position: 0x%X end: 0x%X\n",ret,ret2);
#ifdef VCD_CACHE
vcd_cache_init(vcd_cache_size);
#endif
#ifdef __FreeBSD__
if (ioctl (f, CDRIOCSETBLOCKSIZE, &bsize) == -1) {
perror ( "Error in CDRIOCSETBLOCKSIZE");
}
#endif
stream=new_stream(f,STREAMTYPE_VCD);
stream->start_pos=ret;
stream->end_pos=ret2;
return stream;
}
#endif
//============ 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,MSGTR_CantOpenDVD,filename);
return NULL;
}
mp_msg(MSGT_OPEN,MSGL_INFO,MSGTR_DVDwait);
/**
* 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, 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 );
return NULL;
}
--dvd_title; // remap 1.. -> 0..
/**
* Make sure the chapter number is valid for this title.
*/
mp_msg(MSGT_OPEN,MSGL_INFO, 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);
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, 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);
ifoClose( vmg_file );
DVDClose( dvd );
return NULL;
}
--dvd_angle; // remap 1.. -> 0..
/**
* 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 );
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, MSGTR_DVDnoVOBs,
tt_srpt->title[dvd_title].title_set_nr );
ifoClose( vts_file );
ifoClose( vmg_file );
DVDClose( dvd );
return NULL;
}
mp_msg(MSGT_OPEN,MSGL_INFO, MSGTR_DVDopenOk);
// 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;
/**
* Check number of audio channels and types
*/
{
int ac3aid = 128;
int mpegaid = 0;
int pcmaid = 160;
d->nr_of_channels=0;
if ( vts_file->vts_pgcit )
{
int i;
for ( i=0;i<8;i++ )
if ( vts_file->vts_pgcit->pgci_srp[0].pgc->audio_control[i] & 0x8000 )
{
audio_attr_t * audio = &vts_file->vtsi_mat->vts_audio_attr[i];
int language = 0;
char tmp[] = "unknown";
if ( audio->lang_type == 1 )
{
language=audio->lang_code;
tmp[0]=language>>8;
tmp[1]=language&0xff;
tmp[2]=0;
}
d->audio_streams[d->nr_of_channels].language=language;
d->audio_streams[d->nr_of_channels].id=0;
switch ( audio->audio_format )
{
case 0: // ac3
case 6: // dts
d->audio_streams[d->nr_of_channels].id=ac3aid;
ac3aid++;
break;
case 2: // mpeg layer 1/2/3
case 3: // mpeg2 ext
d->audio_streams[d->nr_of_channels].id=mpegaid;
mpegaid++;
break;
case 4: // lpcm
d->audio_streams[d->nr_of_channels].id=pcmaid;
pcmaid++;
break;
}
mp_msg(MSGT_OPEN,MSGL_V,"[open] audio stream: %d audio format: %s language: %s aid: %d\n",
d->nr_of_channels,
dvd_audio_stream_types[ audio->audio_format ],
tmp,
d->audio_streams[d->nr_of_channels].id
);
d->nr_of_channels++;
}
}
mp_msg(MSGT_OPEN,MSGL_V,"[open] number of audio channels on disk: %d.\n",d->nr_of_channels );
}
/**
* Check number of subtitles and language
*/
{
int i;
d->nr_of_subtitles=0;
for ( i=0;i<32;i++ )
if ( vts_file->vts_pgcit->pgci_srp[0].pgc->subp_control[i] & 0x80000000 )
{
subp_attr_t * subtitle = &vts_file->vtsi_mat->vts_subp_attr[i];
int language = 0;
char tmp[] = "unknown";
if ( subtitle->type == 1 )
{
language=subtitle->lang_code;
tmp[0]=language>>8;
tmp[1]=language&0xff;
tmp[2]=0;
}
d->subtitles[ d->nr_of_subtitles ].language=language;
d->subtitles[ d->nr_of_subtitles ].id=d->nr_of_subtitles;
mp_msg(MSGT_OPEN,MSGL_V,"[open] subtitle ( sid ): %d language: %s\n",
d->nr_of_subtitles,
tmp
);
d->nr_of_subtitles++;
}
mp_msg(MSGT_OPEN,MSGL_V,"[open] number of subtitles on disk: %d\n",d->nr_of_subtitles );
}
/**
* 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
d->angle_seek=0;
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
#ifdef USE_TV
//============ Check for TV-input ====
if (tv_param_on == 1)
{
/* create stream */
stream = new_stream(-1, STREAMTYPE_TV);
if (!stream)
return(NULL);
/* create tvi handler */
tv_handler = tv_begin();
if (!tv_handler)
return(NULL);
/* preinit */
if (!tv_init(tv_handler))
goto tv_err;
if (!stream_open_tv(stream, tv_handler))
goto tv_err;
return(stream);
/* something went wrong - uninit */
tv_err:
tv_uninit(tv_handler);
return(NULL);
}
#endif
//============ Open STDIN ============
if(!strcmp(filename,"-")){
// read from stdin
mp_msg(MSGT_OPEN,MSGL_INFO,MSGTR_ReadSTDIN);
f=0; // 0=stdin
stream=new_stream(f,STREAMTYPE_STREAM);
return stream;
}
#ifdef STREAMING
url = url_new(filename);
if(url) {
(*file_format)=autodetectProtocol( url, &f );
mp_msg(MSGT_OPEN,MSGL_INFO,MSGTR_ConnToServer, url->hostname );
stream=new_stream(f,STREAMTYPE_STREAM);
if( streaming_start( stream , url, *file_format )<0){
mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_UnableOpenURL, filename);
url_free(url);
return NULL;
}
url_free(url);
return stream;
}
#endif
//============ Open plain FILE ============
f=open(filename,O_RDONLY);
if(f<0){ mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_FileNotFound,filename);return NULL; }
len=lseek(f,0,SEEK_END); lseek(f,0,SEEK_SET);
if (len == -1)
perror("Error: lseek failed to obtain video file size");
else
#ifdef _LARGEFILE_SOURCE
mp_msg(MSGT_OPEN,MSGL_V,"File size is %lld bytes\n", (long long)len);
#else
mp_msg(MSGT_OPEN,MSGL_V,"File size is %u bytes\n", (unsigned int)len);
#endif
stream=new_stream(f,STREAMTYPE_FILE);
stream->end_pos=len;
return stream;
}
#ifdef USE_DVDREAD
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->cur_pgc->nr_of_cells){
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->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
}
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