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mpv/stream/stream_dvdnav.c

421 lines
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C
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#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 "libmpdemux/demuxer.h"
#include "stream_dvdnav.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 = {
0,
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? */
static int seek(stream_t *s, off_t newpos);
static 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);
dvdnav_sector_search(dvdnav_priv->dvdnav, 0, SEEK_SET);
}
/* turn off 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;
}
static 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_CELL_CHANGE: {
dvdnav_cell_change_event_t *ev = (dvdnav_cell_change_event_t*)buf;
if(ev->pgc_length)
dvdnav_priv->duration = ev->pgc_length/90;
break;
}
case DVDNAV_WAIT:
dvdnav_wait_skip(dvdnav_priv->dvdnav);
break;
}
*len=0;
}
return event;
}
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;
stream->seek = seek;
} else {
stream->seek = NULL;
stream->end_pos = 0;
}
}
static int seek(stream_t *s, off_t newpos) {
uint32_t pos = 0, len = 0, sector = 0;
dvdnav_priv_t *priv = s->priv;
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;
case DVDNAV_VTS_CHANGE: {
int tit = 0, part = 0;
s->end_pos = 0;
update_title_len(s);
if(dvdnav_current_title_info(dvdnav_priv->dvdnav, &tit, &part) == DVDNAV_STATUS_OK) {
mp_msg(MSGT_CPLAYER,MSGL_V, "\r\nDVDNAV, NEW TITLE %d\r\n", tit);
if(dvdnav_priv->title > 0 && tit != dvdnav_priv->title)
return 0;
}
break;
}
}
}
mp_msg(MSGT_STREAM,MSGL_DBG2,"DVDNAV fill_buffer len: %d\n",len);
return len;
}
static int control(stream_t *stream, int cmd, void* arg) {
dvdnav_priv_t* dvdnav_priv=stream->priv;
int tit, part;
switch(cmd)
{
case STREAM_CTRL_SEEK_TO_CHAPTER:
{
int chap = *((unsigned int *)arg)+1;
if(chap < 1 || dvdnav_current_title_info(dvdnav_priv->dvdnav, &tit, &part) != DVDNAV_STATUS_OK)
break;
if(dvdnav_part_play(dvdnav_priv->dvdnav, tit, chap) != DVDNAV_STATUS_OK)
break;
return 1;
}
case STREAM_CTRL_GET_NUM_CHAPTERS:
{
if(dvdnav_current_title_info(dvdnav_priv->dvdnav, &tit, &part) != DVDNAV_STATUS_OK)
break;
if(dvdnav_get_number_of_parts(dvdnav_priv->dvdnav, tit, &part) != DVDNAV_STATUS_OK)
break;
if(!part)
break;
*((unsigned int *)arg) = part;
return 1;
}
case STREAM_CTRL_GET_CURRENT_CHAPTER:
{
if(dvdnav_current_title_info(dvdnav_priv->dvdnav, &tit, &part) != DVDNAV_STATUS_OK)
break;
*((unsigned int *)arg) = part - 1;
return 1;
}
case STREAM_CTRL_GET_TIME_LENGTH:
{
if(dvdnav_priv->duration)
{
*((unsigned int *)arg) = dvdnav_priv->duration;
return 1;
}
}
}
return STREAM_UNSUPORTED;
}
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;
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(p->track > 0) {
dvdnav_priv->title = p->track;
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;
}
} else if(p->track == -1)
dvdnav_menu_call(dvdnav_priv->dvdnav, DVD_MENU_Root);
else {
mp_msg(MSGT_OPEN,MSGL_INFO,"dvdnav_stream, you didn't specify a track number (as in dvdnav://1), playing whole disc\n");
dvdnav_menu_call(dvdnav_priv->dvdnav, DVD_MENU_Title);
}
stream->sector_size = 2048;
stream->flags = STREAM_READ | STREAM_SEEK;
stream->fill_buffer = fill_buffer;
stream->seek = seek;
stream->control = control;
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));
mp_msg(MSGT_OPEN,MSGL_INFO, "Remember to disable MPlayer's cache when playing dvdnav:// streams (adding -nocache to your command line)\r\n");
return STREAM_OK;
}
int mp_dvdnav_handle_input(stream_t *stream, int cmd, int *button) {
dvdnav_priv_t * dvdnav_priv=(dvdnav_priv_t*)stream->priv;
dvdnav_t *nav = dvdnav_priv->dvdnav;
dvdnav_status_t status=DVDNAV_STATUS_ERR;
pci_t *pci = dvdnav_get_current_nav_pci(nav);
int reset = 0;
if(cmd != MP_CMD_DVDNAV_SELECT && !pci)
return 0;
switch(cmd) {
case MP_CMD_DVDNAV_UP:
status = dvdnav_upper_button_select(nav, pci);
break;
case MP_CMD_DVDNAV_DOWN:
status = dvdnav_lower_button_select(nav, pci);
break;
case MP_CMD_DVDNAV_LEFT:
status = dvdnav_left_button_select(nav, pci);
break;
case MP_CMD_DVDNAV_RIGHT:
status = dvdnav_right_button_select(nav, pci);
break;
case MP_CMD_DVDNAV_MENU:
status = dvdnav_menu_call(nav,DVD_MENU_Root);
reset = 1;
break;
case MP_CMD_DVDNAV_PREVMENU: {
int title=0, part=0;
dvdnav_current_title_info(nav, &title, &part);
if(title) {
if(dvdnav_menu_call(nav, DVD_MENU_Part) == DVDNAV_STATUS_OK
|| dvdnav_menu_call(nav, DVD_MENU_Title) == DVDNAV_STATUS_OK) {
reset = 1;
break;
}
}
if(dvdnav_menu_call(nav, DVD_MENU_Root) == DVDNAV_STATUS_OK)
reset = 1;
}
break;
case MP_CMD_DVDNAV_SELECT:
status = dvdnav_button_activate(nav, pci);
if(status == DVDNAV_STATUS_OK) reset = 1;
break;
case MP_CMD_DVDNAV_MOUSECLICK:
/*
this is a workaround: in theory the simple dvdnav_lower_button_select()+dvdnav_button_activate()
should be enough (and generally it is), but there are cases when the calls to dvdnav_lower_button_select()
and friends fail! Hence we have to call dvdnav_mouse_activate(priv->mousex, priv->mousey) with
the coodinates saved by mp_dvdnav_update_mouse_pos().
This last call always works well
*/
status = dvdnav_mouse_activate(nav, pci, dvdnav_priv->mousex, dvdnav_priv->mousey);
break;
default:
mp_msg(MSGT_CPLAYER, MSGL_V, "Unknown DVDNAV cmd %d\n", cmd);
break;
}
if(status == DVDNAV_STATUS_OK)
dvdnav_get_current_highlight(nav, button);
return reset;
}
void mp_dvdnav_update_mouse_pos(stream_t *stream, int32_t x, int32_t y, int* button) {
dvdnav_priv_t * dvdnav_priv=(dvdnav_priv_t*)stream->priv;
dvdnav_t *nav = dvdnav_priv->dvdnav;
dvdnav_status_t status;
pci_t *pci = dvdnav_get_current_nav_pci(nav);
if(!pci) return;
status = dvdnav_mouse_select(nav, pci, x, y);
if(status == DVDNAV_STATUS_OK) dvdnav_get_current_highlight(nav, button);
else *button = -1;
dvdnav_priv->mousex = x;
dvdnav_priv->mousey = y;
}
stream_info_t stream_info_dvdnav = {
"DVDNAV stream",
"null",
"",
"",
open_s,
{ "dvdnav", NULL },
&stream_opts,
1 // Urls are an option string
};
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