mpv/libmpdemux/dvdnav_stream.c

312 lines
7.8 KiB
C

#include "config.h"
#ifdef USE_DVDNAV
#include <dvdnav_internal.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 "dvdnav_stream.h"
#include "../libvo/video_out.h"
#include "../spudec.h"
#include "../m_option.h"
#include "../m_struct.h"
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[] = {
{ 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=(dvdnav_priv_t*)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;
}
dvdnav_stream_ignore_timers(dvdnav_priv,dvd_nav_skip_opening);
/* turn on dvdnav caching */
dvdnav_set_readahead_flag(dvdnav_priv->dvdnav,1);
/* report the title?! */
if (dvdnav_get_title_string(dvdnav_priv->dvdnav,&title_str)==DVDNAV_STATUS_OK) {
mp_msg(MSGT_OPEN,MSGL_INFO,"Title: '%s'\n",title_str);
}
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;
}
void free_dvdnav_stream(dvdnav_priv_t * dvdnav_priv) {
if (!dvdnav_priv) return;
dvdnav_close(dvdnav_priv->dvdnav);
dvdnav_priv->dvdnav=NULL;
free(dvdnav_priv);
}
void dvdnav_stream_ignore_timers(dvdnav_priv_t * dvdnav_priv, int ignore) {
if (!dvdnav_priv) return;
dvdnav_priv->ignore_timers=ignore;
}
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;
printf("%s: woke up!\n",__FUNCTION__);
}
dvd_nav_still=0;
printf("%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:
printf( "Sleeping indefinately\n" );
dvdnav_priv->sleeping=2;
break;
default:
printf( "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=(dvdnav_event_t*)calloc(1,sizeof(*dvdnav_event)))) {
printf("%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 = (mp_cmd_t*)calloc(1,sizeof(*cmd)))) {
printf("%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;
mp_input_queue_cmd(cmd);
}
void dvdnav_stream_read(dvdnav_priv_t * dvdnav_priv, unsigned char *buf, int *len) {
int event = DVDNAV_NOP;
if (!len) return;
*len=-1;
if (!dvdnav_priv) return;
if (!buf) return;
if (dvd_nav_still) {
printf("%s: got a stream_read while I should be asleep!\n",__FUNCTION__);
*len=0;
return;
}
if (dvdnav_get_next_block(dvdnav_priv->dvdnav,buf,&event,len)!=DVDNAV_STATUS_OK) {
printf( "Error getting next block from DVD (%s)\n",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);
printf("************************************************************ STILL \n");
//if (dvdnav_priv->started) dvd_nav_still=1;
//else
dvdnav_still_skip(dvdnav_priv->dvdnav); // don't let dvdnav stall on this image
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);
}
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) {
printf("%s: NULL dvdnav_priv\n",__FUNCTION__);
return NULL;
}
if (!dvdnav_priv->dvdnav) {
printf("%s: NULL dvdnav_priv->dvdnav\n",__FUNCTION__);
return NULL;
}
if (!dvdnav_priv->dvdnav->vm) {
printf("%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;
}
static int seek(stream_t *s, off_t newpos) {
if(newpos==0) {
if(dvdnav_stream_reset((dvdnav_priv_t*)s->priv))
s->pos=0;
}
if(newpos!=s->pos)
mp_msg(MSGT_STREAM,MSGL_INFO,"Cannot seek in DVDNAV streams yet!\n");
return 1;
}
static void stream_dvd_close(stream_t *s) {
dvd_close(s->priv);
}
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, *name;
int event,len,tmplen=0;
dvdnav_priv_t *dvdnav_priv;
mp_msg(MSGT_OPEN,MSGL_INFO,"URL: %s\n", filename);
filename = strdup(stream->url);
name = (filename[9] == '\0') ? NULL : filename + 9;
if(!name) name=DEFAULT_DVD_DEVICE;
if(!(dvdnav_priv=new_dvdnav_stream(name))) {
mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_CantOpenDVD,name);
return STREAM_UNSUPORTED;
}
stream->sector_size = 2048;
stream->flags = STREAM_READ | STREAM_SEEK;
stream->fill_buffer = fill_buffer;
stream->seek = seek;
stream->close = stream_dvd_close;
stream->type = STREAMTYPE_DVDNAV;
stream->priv=(void*)dvdnav_priv;
return STREAM_OK;
}
stream_info_t stream_info_dvdnav = {
"DVDNAV stream",
"null",
"",
"",
open_s,
{ "dvdnav", NULL },
&stream_opts,
1 // Urls are an option string
};
#endif /* USE_DVDNAV */