mpv/libmpdemux/dvdnav_stream.c

397 lines
11 KiB
C

#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include "mp_msg.h"
#include "osdep/timer.h"
#include "input/input.h"
#include "stream.h"
#include "demuxer.h"
#include "dvdnav_stream.h"
#include "libvo/video_out.h"
#include "spudec.h"
#include "m_option.h"
#include "m_struct.h"
#include "help_mp.h"
extern char *dvd_device;
extern char *audio_lang, *dvdsub_lang;
static struct stream_priv_s {
int track;
char* device;
} stream_priv_dflts = {
1,
NULL
};
#define ST_OFF(f) M_ST_OFF(struct stream_priv_s,f)
/// URL definition
static m_option_t stream_opts_fields[] = {
{"filename", ST_OFF(device), CONF_TYPE_STRING, 0, 0, 0, NULL },
{"hostname", ST_OFF(track), CONF_TYPE_INT, 0, 0, 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_nav_skip_opening=0; /* skip opening stalls? */
int osd_show_dvd_nav_delay=0; /* count down for dvd nav text on OSD */
char dvd_nav_text[50]; /* for reporting stuff to OSD */
int osd_show_dvd_nav_highlight; /* show highlight area */
int osd_show_dvd_nav_sx; /* start x .... */
int osd_show_dvd_nav_ex;
int osd_show_dvd_nav_sy;
int osd_show_dvd_nav_ey;
int dvd_nav_still=0; /* are we on a still picture? */
dvdnav_priv_t * new_dvdnav_stream(char * filename) {
char * title_str;
dvdnav_priv_t *dvdnav_priv;
if (!filename)
return NULL;
if (!(dvdnav_priv=calloc(1,sizeof(*dvdnav_priv))))
return NULL;
if (!(dvdnav_priv->filename=strdup(filename))) {
free(dvdnav_priv);
return NULL;
}
if(dvdnav_open(&(dvdnav_priv->dvdnav),dvdnav_priv->filename)!=DVDNAV_STATUS_OK)
{
free(dvdnav_priv->filename);
free(dvdnav_priv);
return NULL;
}
if (!dvdnav_priv->dvdnav) {
free(dvdnav_priv);
return NULL;
}
if(1) //from vlc: if not used dvdnav from cvs will fail
{
int len, event;
char buf[2048];
dvdnav_get_next_block(dvdnav_priv->dvdnav,buf,&event,&len);
}
/* turn on dvdnav caching */
dvdnav_set_readahead_flag(dvdnav_priv->dvdnav, 0);
if(dvdnav_set_PGC_positioning_flag(dvdnav_priv->dvdnav, 1) != DVDNAV_STATUS_OK)
mp_msg(MSGT_OPEN,MSGL_ERR,"stream_dvdnav, failed to set PGC positioning\n");
#if 1
/* report the title?! */
if (dvdnav_get_title_string(dvdnav_priv->dvdnav,&title_str)==DVDNAV_STATUS_OK) {
mp_msg(MSGT_IDENTIFY, MSGL_INFO,"Title: '%s'\n",title_str);
}
#endif
//dvdnav_event_clear(dvdnav_priv);
return dvdnav_priv;
}
int dvdnav_stream_reset(dvdnav_priv_t * dvdnav_priv) {
if (!dvdnav_priv) return 0;
// if (dvdnav_reset(dvdnav_priv->dvdnav)!=DVDNAV_STATUS_OK)
return 0;
dvdnav_priv->started=0;
return 1;
}
int dvdnav_stream_sleeping(dvdnav_priv_t * dvdnav_priv) {
unsigned int now;
if (!dvdnav_priv) return 0;
if(dvdnav_priv->sleeping)
{
now=GetTimer();
while(dvdnav_priv->sleeping>1 || now<dvdnav_priv->sleep_until) {
// printf("%s %u<%u\n",__FUNCTION__,now,dvdnav_priv->sleep_until);
// usec_sleep(1000); /* 1ms granularity */
return 1;
}
dvdnav_still_skip(dvdnav_priv->dvdnav); // continue past...
dvdnav_priv->sleeping=0;
mp_msg(MSGT_OPEN,MSGL_V, "%s: woke up!\n",__FUNCTION__);
}
dvd_nav_still=0;
mp_msg(MSGT_OPEN,MSGL_V, "%s: active\n",__FUNCTION__);
return 0;
}
void dvdnav_stream_sleep(dvdnav_priv_t * dvdnav_priv, int seconds) {
if (!dvdnav_priv) return;
if (!dvdnav_priv->started) return;
dvdnav_priv->sleeping=0;
switch (seconds) {
case 0:
return;
case 0xff:
mp_msg(MSGT_OPEN,MSGL_V, "Sleeping indefinately\n" );
dvdnav_priv->sleeping=2;
break;
default:
mp_msg(MSGT_OPEN,MSGL_V, "Sleeping %d sec(s)\n", seconds );
dvdnav_priv->sleep_until = GetTimer();// + seconds*1000000;
dvdnav_priv->sleeping=1;
break;
}
//if (dvdnav_priv->started) dvd_nav_still=1;
}
void dvdnav_stream_add_event(dvdnav_priv_t* dvdnav_priv, int event, unsigned char *buf, int len) {
//printf("%s: %d\n",__FUNCTION__,event);
dvdnav_event_t * dvdnav_event;
mp_cmd_t * cmd;
if (!dvdnav_priv->started) return;
if (!(dvdnav_event=calloc(1,sizeof(*dvdnav_event)))) {
mp_msg(MSGT_OPEN,MSGL_V, "%s: dvdnav_event: out of memory!\n",__FUNCTION__);
return;
}
dvdnav_event->event=event;
dvdnav_event->details=calloc(1,len);
memcpy(dvdnav_event->details,buf,len);
dvdnav_event->len=len;
if (!(cmd = calloc(1,sizeof(*cmd)))) {
mp_msg(MSGT_OPEN,MSGL_V, "%s: mp_cmd_t: out of memory!\n",__FUNCTION__);
free(dvdnav_event->details);
free(dvdnav_event);
return;
}
cmd->id=MP_CMD_DVDNAV_EVENT; // S+event;
cmd->name=strdup("dvdnav_event"); // FIXME: do I really need a 'name'?
cmd->nargs=1;
cmd->args[0].v.v=dvdnav_event;
}
int dvdnav_stream_read(dvdnav_priv_t * dvdnav_priv, unsigned char *buf, int *len) {
int event = DVDNAV_NOP;
if (!len) return -1;
*len=-1;
if (!dvdnav_priv) return -1;
if (!buf) return -1;
if (dvd_nav_still) {
mp_msg(MSGT_OPEN,MSGL_V, "%s: got a stream_read while I should be asleep!\n",__FUNCTION__);
*len=0;
return -1;
}
if (dvdnav_get_next_block(dvdnav_priv->dvdnav,buf,&event,len)!=DVDNAV_STATUS_OK) {
mp_msg(MSGT_OPEN,MSGL_V, "Error getting next block from DVD %d (%s)\n",event, dvdnav_err_to_string(dvdnav_priv->dvdnav) );
*len=-1;
}
else if (event!=DVDNAV_BLOCK_OK) {
// need to handle certain events internally (like skipping stills)
switch (event) {
case DVDNAV_STILL_FRAME: {
dvdnav_still_event_t *still_event = (dvdnav_still_event_t*)(buf);
//if (dvdnav_priv->started) dvd_nav_still=1;
//else
dvdnav_still_skip(dvdnav_priv->dvdnav); // don't let dvdnav stall on this image
break;
case DVDNAV_WAIT:
dvdnav_wait_skip(dvdnav_priv->dvdnav);
break;
}
}
// got an event, repeat the read
dvdnav_stream_add_event(dvdnav_priv,event,buf,*len);
*len=0;
}
// printf("%s: got %d\n",__FUNCTION__,*len);
return event;
}
void dvdnav_stream_fullstart(dvdnav_priv_t * dvdnav_priv) {
if (dvdnav_priv && !dvdnav_priv->started) {
dvdnav_stream_reset(dvdnav_priv);
dvdnav_priv->started=1;
}
}
unsigned int * dvdnav_stream_get_palette(dvdnav_priv_t * dvdnav_priv) {
if (!dvdnav_priv) {
mp_msg(MSGT_OPEN,MSGL_V, "%s: NULL dvdnav_priv\n",__FUNCTION__);
return NULL;
}
if (!dvdnav_priv->dvdnav) {
mp_msg(MSGT_OPEN,MSGL_V, "%s: NULL dvdnav_priv->dvdnav\n",__FUNCTION__);
return NULL;
}
#if 0
if (!dvdnav_priv->dvdnav->vm) {
mp_msg(MSGT_OPEN,MSGL_V, "%s: NULL dvdnav_priv->dvdnav->vm\n",__FUNCTION__);
return NULL;
}
if (!dvdnav_priv->dvdnav->vm->state.pgc) {
printf("%s: NULL dvdnav_priv->dvdnav->vm->state.pgc\n",__FUNCTION__);
return NULL;
}
return dvdnav_priv->dvdnav->vm->state.pgc->palette;
#endif
}
static void update_title_len(stream_t *stream) {
dvdnav_priv_t *priv = stream->priv;
dvdnav_status_t status;
uint32_t pos = 0, len = 0;
status = dvdnav_get_position(priv->dvdnav, &pos, &len);
if(status == DVDNAV_STATUS_OK && len)
stream->end_pos = (off_t) len * 2048;
}
static int seek(stream_t *s, off_t newpos) {
uint32_t pos = 0, len = 0, sector = 0;
dvdnav_priv_t *priv = s->priv;
if(newpos==0) {
if(dvdnav_stream_reset(priv->dvdnav))
s->pos=0;
}
else {
if(s->end_pos && newpos > s->end_pos)
newpos = s->end_pos;
sector = newpos / 2048ULL;
if(dvdnav_sector_search(priv->dvdnav, (uint64_t) sector, SEEK_SET) != DVDNAV_STATUS_OK)
goto fail;
s->pos = newpos;
}
return 1;
fail:
mp_msg(MSGT_STREAM,MSGL_INFO,"dvdnav_stream, seeking to %"PRIu64" failed: %s\n", newpos, dvdnav_err_to_string(priv->dvdnav));
return 1;
}
static void stream_dvdnav_close(stream_t *s) {
dvdnav_priv_t *priv = s->priv;
dvdnav_close(priv->dvdnav);
priv->dvdnav = NULL;
free(priv);
}
static int fill_buffer(stream_t *s, char *but, int len)
{
int event;
dvdnav_priv_t* dvdnav_priv=s->priv;
len=0;
if(!s->end_pos)
update_title_len(s);
while(!len) /* grab all event until DVDNAV_BLOCK_OK (len=2048), DVDNAV_STOP or DVDNAV_STILL_FRAME */
{
if(-1==(event=dvdnav_stream_read(dvdnav_priv, s->buffer, &len)) || len==-1)
{
mp_msg(MSGT_CPLAYER,MSGL_ERR, "DVDNAV stream read error!\n");
return 0;
}
switch (event) {
case DVDNAV_STOP: return len;
case DVDNAV_BLOCK_OK: return len;
#if 0
case DVDNAV_STILL_FRAME: {
if(!dvdnav_priv->stillok) dvdnav_priv->stillcounter++;
dvdnav_priv->lockstillcounter++;
return len;
break;
}
case DVDNAV_WAIT: {
if(dvdnav_priv->waitcounter>=DVDNAV_MAX_WAIT_FRAME) return len;
break;
}
#endif
}
#if 0
if(dvdnav_priv->event.cell_really_change &&
dvdnav_priv->started &&
!dvdnav_priv->vts_domain)
return len;
#endif
}
mp_msg(MSGT_STREAM,MSGL_DBG2,"DVDNAV fill_buffer len: %d\n",len);
return len;
}
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 event,len,tmplen=0;
uint32_t pos, l2;
dvdnav_priv_t *dvdnav_priv;
dvdnav_status_t status;
//mp_msg(MSGT_OPEN,MSGL_INFO,"URL: %s\n", filename);
if(p->device) filename = p->device;
else if(dvd_device) filename= dvd_device;
else filename = DEFAULT_DVD_DEVICE;
if(!(dvdnav_priv=new_dvdnav_stream(filename))) {
mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_CantOpenDVD,filename);
return STREAM_UNSUPORTED;
}
if(dvdnav_title_play(dvdnav_priv->dvdnav, p->track) != DVDNAV_STATUS_OK) {
mp_msg(MSGT_OPEN,MSGL_FATAL,"dvdnav_stream, couldn't select title %d, error '%s'\n", p->track, dvdnav_err_to_string(dvdnav_priv->dvdnav));
return STREAM_UNSUPORTED;
}
stream->sector_size = 2048;
stream->flags = STREAM_READ | STREAM_SEEK;
stream->fill_buffer = fill_buffer;
stream->seek = seek;
stream->close = stream_dvdnav_close;
stream->type = STREAMTYPE_DVDNAV;
stream->priv=(void*)dvdnav_priv;
*file_format = DEMUXER_TYPE_MPEG_PS;
update_title_len(stream);
if(!stream->pos)
mp_msg(MSGT_OPEN,MSGL_ERR, "INIT ERROR: %d, couldn't get init pos %s\r\n", status, dvdnav_err_to_string(dvdnav_priv->dvdnav));
return STREAM_OK;
}
stream_info_t stream_info_dvdnav = {
"DVDNAV stream",
"null",
"",
"",
open_s,
{ "dvdnav", NULL },
&stream_opts,
1 // Urls are an option string
};