static int dvdnav_stream_read(dvdnav_priv_t * priv, unsigned char *buf, int *len) {
int event = DVDNAV_NOP;
if (!len) return -1;
*len=-1;
if (!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(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(priv->dvdnav) );
*len=-1;
}
else if (event!=DVDNAV_BLOCK_OK) {
// need to handle certain events internally (like skipping stills)
switch (event) {
case DVDNAV_NAV_PACKET:
return event;
case DVDNAV_STILL_FRAME: {
dvdnav_still_event_t *still_event = (dvdnav_still_event_t*)(buf);
//if (priv->started) dvd_nav_still=1;
//else
dvdnav_still_skip(priv->dvdnav); // don't let dvdnav stall on this image
break;
}
case DVDNAV_HIGHLIGHT: {
dvdnav_get_highlight (priv, 1);
break;
}
case DVDNAV_CELL_CHANGE: {
dvdnav_cell_change_event_t *ev = (dvdnav_cell_change_event_t*)buf;
if(ev->pgc_length)
priv->duration = ev->pgc_length/90;
break;
}
case DVDNAV_SPU_CLUT_CHANGE: {
memcpy(priv->spu_clut, buf, 16*sizeof(unsigned int));
priv->spu_set = 1;
break;
}
case DVDNAV_WAIT:
dvdnav_wait_skip(priv->dvdnav);
break;
}
*len=0;
}
return event;
}
static int fill_buffer(stream_t *s, char *but, int len)
{
int event;
dvdnav_priv_t* 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 */
{
event=dvdnav_stream_read(priv, s->buffer, &len);
if(event==-1 || len==-1)
{
mp_msg(MSGT_CPLAYER,MSGL_ERR, "DVDNAV stream read error!\n");
return 0;
}
switch (event) {
case DVDNAV_STOP:
case DVDNAV_BLOCK_OK:
case DVDNAV_NAV_PACKET:
return len;
case DVDNAV_VTS_CHANGE: {
int tit = 0, part = 0;
dvdnav_vts_change_event_t *vts_event = (dvdnav_vts_change_event_t *)s->buffer;
mp_msg(MSGT_CPLAYER,MSGL_INFO, "DVDNAV, switched to title: %d\r\n", vts_event->new_vtsN);
s->end_pos = 0;
update_title_len(s);
if(dvdnav_current_title_info(priv->dvdnav, &tit, &part) == DVDNAV_STATUS_OK) {
mp_msg(MSGT_CPLAYER,MSGL_V, "\r\nDVDNAV, NEW TITLE %d\r\n", tit);
dvdnav_get_highlight (priv, 0);
if(priv->title > 0 && tit != priv->title)
return 0;
}
break;
}
case DVDNAV_CELL_CHANGE: {
if(priv->title > 0 && dvd_last_chapter > 0) {
int tit=0, part=0;
if(dvdnav_current_title_info(priv->dvdnav, &tit, &part) == DVDNAV_STATUS_OK && part > dvd_last_chapter)
return 0;
}
}
break;
}
}
mp_msg(MSGT_STREAM,MSGL_DBG2,"DVDNAV fill_buffer len: %d\n",len);
return len;
}
static int fill_buffer(stream_t *s, char *but, int len)
{
int event;
dvdnav_priv_t* priv=s->priv;
if (priv->state & NAV_FLAG_WAIT_READ) /* read is suspended */
return -1;
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 */
{
event=dvdnav_stream_read(priv, s->buffer, &len);
if(event==-1 || len==-1)
{
mp_msg(MSGT_CPLAYER,MSGL_ERR, "DVDNAV stream read error!\n");
return 0;
}
if (event != DVDNAV_BLOCK_OK)
dvdnav_get_highlight (priv, 1);
switch (event) {
case DVDNAV_STOP: {
priv->state |= NAV_FLAG_EOF;
return len;
}
case DVDNAV_BLOCK_OK:
case DVDNAV_NAV_PACKET:
case DVDNAV_STILL_FRAME:
return len;
case DVDNAV_WAIT: {
if (priv->state & NAV_FLAG_WAIT)
return len;
break;
}
case DVDNAV_VTS_CHANGE: {
int tit = 0, part = 0;
dvdnav_vts_change_event_t *vts_event = (dvdnav_vts_change_event_t *)s->buffer;
mp_msg(MSGT_CPLAYER,MSGL_INFO, "DVDNAV, switched to title: %d\r\n", vts_event->new_vtsN);
priv->state |= NAV_FLAG_CELL_CHANGE;
priv->state |= NAV_FLAG_AUDIO_CHANGE;
priv->state |= NAV_FLAG_SPU_CHANGE;
priv->state &= ~NAV_FLAG_WAIT_SKIP;
priv->state &= ~NAV_FLAG_WAIT;
s->end_pos = 0;
update_title_len(s);
show_audio_subs_languages(priv->dvdnav);
if (priv->state & NAV_FLAG_WAIT_READ_AUTO)
priv->state |= NAV_FLAG_WAIT_READ;
if(dvdnav_current_title_info(priv->dvdnav, &tit, &part) == DVDNAV_STATUS_OK) {
mp_msg(MSGT_CPLAYER,MSGL_V, "\r\nDVDNAV, NEW TITLE %d\r\n", tit);
dvdnav_get_highlight (priv, 0);
if(priv->title > 0 && tit != priv->title) {
priv->state |= NAV_FLAG_EOF;
return 0;
}
}
break;
}
case DVDNAV_CELL_CHANGE: {
priv->state |= NAV_FLAG_CELL_CHANGE;
priv->state |= NAV_FLAG_AUDIO_CHANGE;
priv->state |= NAV_FLAG_SPU_CHANGE;
priv->state &= ~NAV_FLAG_WAIT_SKIP;
priv->state &= ~NAV_FLAG_WAIT;
if (priv->state & NAV_FLAG_WAIT_READ_AUTO)
priv->state |= NAV_FLAG_WAIT_READ;
if(priv->title > 0 && dvd_last_chapter > 0) {
int tit=0, part=0;
if(dvdnav_current_title_info(priv->dvdnav, &tit, &part) == DVDNAV_STATUS_OK && part > dvd_last_chapter) {
priv->state |= NAV_FLAG_EOF;
return 0;
}
}
dvdnav_get_highlight (priv, 1);
}
break;
case DVDNAV_AUDIO_STREAM_CHANGE:
priv->state |= NAV_FLAG_AUDIO_CHANGE;
break;
case DVDNAV_SPU_STREAM_CHANGE:
priv->state |= NAV_FLAG_SPU_CHANGE;
break;
}
}
mp_msg(MSGT_STREAM,MSGL_DBG2,"DVDNAV fill_buffer len: %d\n",len);
return len;
}
static int dvdnav_stream_read(dvdnav_priv_t * priv, unsigned char *buf, int *len) {
int event = DVDNAV_NOP;
*len=-1;
if (dvdnav_get_next_block(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(priv->dvdnav) );
*len=-1;
}
else if (event!=DVDNAV_BLOCK_OK) {
// need to handle certain events internally (like skipping stills)
switch (event) {
case DVDNAV_NAV_PACKET:
return event;
case DVDNAV_STILL_FRAME: {
dvdnav_still_event_t *still_event = (dvdnav_still_event_t *) buf;
priv->still_length = still_event->length;
/* set still frame duration */
priv->duration = dvdnav_get_duration (priv->still_length);
if (priv->still_length <= 1) {
pci_t *pnavpci = dvdnav_get_current_nav_pci (priv->dvdnav);
priv->duration = mp_dvdtimetomsec (&pnavpci->pci_gi.e_eltm);
}
break;
}
case DVDNAV_HIGHLIGHT: {
dvdnav_get_highlight (priv, 1);
break;
}
case DVDNAV_CELL_CHANGE: {
dvdnav_cell_change_event_t *ev = (dvdnav_cell_change_event_t*)buf;
uint32_t nextstill;
priv->state &= ~NAV_FLAG_WAIT_SKIP;
priv->state |= NAV_FLAG_STREAM_CHANGE;
if(ev->pgc_length)
priv->duration = ev->pgc_length/90;
if (dvdnav_is_domain_vts(priv->dvdnav)) {
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "DVDNAV_TITLE_IS_MOVIE\n");
priv->state &= ~NAV_FLAG_VTS_DOMAIN;
} else {
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "DVDNAV_TITLE_IS_MENU\n");
priv->state |= NAV_FLAG_VTS_DOMAIN;
}
nextstill = dvdnav_get_next_still_flag (priv->dvdnav);
if (nextstill) {
priv->duration = dvdnav_get_duration (nextstill);
priv->still_length = nextstill;
if (priv->still_length <= 1) {
pci_t *pnavpci = dvdnav_get_current_nav_pci (priv->dvdnav);
priv->duration = mp_dvdtimetomsec (&pnavpci->pci_gi.e_eltm);
}
}
break;
}
case DVDNAV_SPU_CLUT_CHANGE: {
memcpy(priv->spu_clut, buf, 16*sizeof(unsigned int));
priv->state |= NAV_FLAG_SPU_SET;
break;
}
case DVDNAV_WAIT: {
if ((priv->state & NAV_FLAG_WAIT_SKIP) &&
!(priv->state & NAV_FLAG_WAIT))
dvdnav_wait_skip (priv->dvdnav);
else
priv->state |= NAV_FLAG_WAIT;
break;
}
case DVDNAV_VTS_CHANGE: {
priv->state &= ~NAV_FLAG_WAIT_SKIP;
priv->state |= NAV_FLAG_STREAM_CHANGE;
break;
}
case DVDNAV_SPU_STREAM_CHANGE: {
priv->state |= NAV_FLAG_STREAM_CHANGE;
break;
}
}
*len=0;
}
return event;
}
