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0924da69c4
mpv/stream/stream_dvdnav.c
diego 4567425051 Reemit the ID_AID_x_LANG for the track. This allows the identification of the 
audio track by language code (en or es) rather than by ID (128 or 129).
patch by Kevin DeKorte, kdekorte gmail com


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@29170 b3059339-0415-0410-9bf9-f77b7e298cf2
2009-04-11 13:51:02 +00:00

1019 lines
29 KiB
C
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#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include "mp_msg.h"
#include "osdep/timer.h"
#include "input/input.h"
#include "stream.h"
#include "libmpdemux/demuxer.h"
#include <dvdnav/dvdnav.h>
#include "stream_dvdnav.h"
#include "libvo/video_out.h"
#include "libavutil/common.h"
#include "spudec.h"
#include "m_option.h"
#include "m_struct.h"
#include "help_mp.h"
#include "stream_dvd_common.h"
/* state flags */
typedef enum {
NAV_FLAG_EOF = 1 << 0, /* end of stream has been reached */
NAV_FLAG_WAIT = 1 << 1, /* wait event */
NAV_FLAG_WAIT_SKIP = 1 << 2, /* wait skip disable */
NAV_FLAG_CELL_CHANGE = 1 << 3, /* cell change event */
NAV_FLAG_WAIT_READ_AUTO = 1 << 4, /* wait read auto mode */
NAV_FLAG_WAIT_READ = 1 << 5, /* suspend read from stream */
NAV_FLAG_VTS_DOMAIN = 1 << 6, /* vts domain */
NAV_FLAG_SPU_SET = 1 << 7, /* spu_clut is valid */
NAV_FLAG_STREAM_CHANGE = 1 << 8, /* title, chapter, audio or SPU */
NAV_FLAG_AUDIO_CHANGE = 1 << 9, /* audio stream change event */
NAV_FLAG_SPU_CHANGE = 1 << 10, /* spu stream change event */
} dvdnav_state_t;
typedef struct {
dvdnav_t * dvdnav; /* handle to libdvdnav stuff */
char * filename; /* path */
unsigned int duration; /* in milliseconds */
int mousex, mousey;
int title;
unsigned int spu_clut[16];
dvdnav_highlight_event_t hlev;
int still_length; /* still frame duration */
unsigned int state;
} dvdnav_priv_t;
extern char *dvd_device;
extern char *audio_lang, *dvdsub_lang;
extern char *dvd_audio_stream_channels[6], *dvd_audio_stream_types[8];
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 const m_option_t stream_opts_fields[] = {
{"filename", ST_OFF(device), CONF_TYPE_STRING, 0, 0, 0, NULL },
{"hostname", ST_OFF(track), CONF_TYPE_INT, M_OPT_RANGE, 1, 99, NULL},
{ NULL, NULL, 0, 0, 0, 0, NULL }
};
static const struct m_struct_st stream_opts = {
"dvd",
sizeof(struct stream_priv_s),
&stream_priv_dflts,
stream_opts_fields
};
static int seek(stream_t *s, off_t newpos);
static void show_audio_subs_languages(dvdnav_t *nav);
static dvdnav_priv_t * new_dvdnav_stream(char * filename) {
const char * title_str;
dvdnav_priv_t *priv;
if (!filename)
return NULL;
if (!(priv=calloc(1,sizeof(dvdnav_priv_t))))
return NULL;
if (!(priv->filename=strdup(filename))) {
free(priv);
return NULL;
}
if(dvdnav_open(&(priv->dvdnav),priv->filename)!=DVDNAV_STATUS_OK)
{
free(priv->filename);
free(priv);
return NULL;
}
if (!priv->dvdnav) {
free(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(priv->dvdnav,buf,&event,&len);
dvdnav_sector_search(priv->dvdnav, 0, SEEK_SET);
}
/* turn off dvdnav caching */
dvdnav_set_readahead_flag(priv->dvdnav, 0);
if(dvdnav_set_PGC_positioning_flag(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(priv->dvdnav,&title_str)==DVDNAV_STATUS_OK) {
mp_msg(MSGT_IDENTIFY, MSGL_INFO,"Title: '%s'\n",title_str);
}
#endif
//dvdnav_event_clear(priv);
return priv;
}
static void dvdnav_get_highlight (dvdnav_priv_t *priv, int display_mode) {
pci_t *pnavpci = NULL;
dvdnav_highlight_event_t *hlev = &(priv->hlev);
int btnum;
if (!priv || !priv->dvdnav)
return;
pnavpci = dvdnav_get_current_nav_pci (priv->dvdnav);
if (!pnavpci)
return;
dvdnav_get_current_highlight (priv->dvdnav, &(hlev->buttonN));
hlev->display = display_mode; /* show */
if (hlev->buttonN > 0 && pnavpci->hli.hl_gi.btn_ns > 0 && hlev->display) {
for (btnum = 0; btnum < pnavpci->hli.hl_gi.btn_ns; btnum++) {
btni_t *btni = &(pnavpci->hli.btnit[btnum]);
if (hlev->buttonN == btnum + 1) {
hlev->sx = FFMIN (btni->x_start, btni->x_end);
hlev->ex = FFMAX (btni->x_start, btni->x_end);
hlev->sy = FFMIN (btni->y_start, btni->y_end);
hlev->ey = FFMAX (btni->y_start, btni->y_end);
hlev->palette = (btni->btn_coln == 0) ? 0 :
pnavpci->hli.btn_colit.btn_coli[btni->btn_coln - 1][0];
break;
}
}
} else { /* hide button or no button */
hlev->sx = hlev->ex = 0;
hlev->sy = hlev->ey = 0;
hlev->palette = hlev->buttonN = 0;
}
}
static inline int dvdnav_get_duration (int length) {
return (length == 255) ? 0 : length * 1000;
}
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;
}
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 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* 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)
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)
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 control(stream_t *stream, int cmd, void* arg) {
dvdnav_priv_t* 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(priv->dvdnav, &tit, &part) != DVDNAV_STATUS_OK)
break;
if(dvdnav_part_play(priv->dvdnav, tit, chap) != DVDNAV_STATUS_OK)
break;
return 1;
}
case STREAM_CTRL_GET_NUM_CHAPTERS:
{
if(dvdnav_current_title_info(priv->dvdnav, &tit, &part) != DVDNAV_STATUS_OK)
break;
if(dvdnav_get_number_of_parts(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(priv->dvdnav, &tit, &part) != DVDNAV_STATUS_OK)
break;
*((unsigned int *)arg) = part - 1;
return 1;
}
case STREAM_CTRL_GET_TIME_LENGTH:
{
if(priv->duration || priv->still_length)
{
*((double *)arg) = (double)priv->duration / 1000.0;
return 1;
}
break;
}
case STREAM_CTRL_GET_ASPECT_RATIO:
{
uint8_t ar = dvdnav_get_video_aspect(priv->dvdnav);
*((double *)arg) = !ar ? 4.0/3.0 : 16.0/9.0;
return 1;
}
case STREAM_CTRL_GET_CURRENT_TIME:
{
double tm;
tm = dvdnav_get_current_time(priv->dvdnav)/90000.0f;
if(tm != -1)
{
*((double *)arg) = tm;
return 1;
}
break;
}
case STREAM_CTRL_SEEK_TO_TIME:
{
uint64_t tm = (uint64_t) (*((double*)arg) * 90000);
if(dvdnav_time_search(priv->dvdnav, tm) == DVDNAV_STATUS_OK)
return 1;
break;
}
case STREAM_CTRL_GET_NUM_ANGLES:
{
uint32_t curr, angles;
if(dvdnav_get_angle_info(priv->dvdnav, &curr, &angles) != DVDNAV_STATUS_OK)
break;
*((int *)arg) = angles;
return 1;
}
case STREAM_CTRL_GET_ANGLE:
{
uint32_t curr, angles;
if(dvdnav_get_angle_info(priv->dvdnav, &curr, &angles) != DVDNAV_STATUS_OK)
break;
*((int *)arg) = curr;
return 1;
}
case STREAM_CTRL_SET_ANGLE:
{
uint32_t curr, angles;
int new_angle = *((int *)arg);
if(dvdnav_get_angle_info(priv->dvdnav, &curr, &angles) != DVDNAV_STATUS_OK)
break;
if(new_angle>angles || new_angle<1)
break;
if(dvdnav_angle_change(priv->dvdnav, new_angle) != DVDNAV_STATUS_OK)
return 1;
}
}
return STREAM_UNSUPPORTED;
}
static void identify_chapters(dvdnav_t *nav, uint32_t title)
{
uint64_t *parts=NULL, duration=0;
uint32_t n, i, t;
n = dvdnav_describe_title_chapters(nav, title, &parts, &duration);
if(parts) {
t = duration / 90;
mp_msg(MSGT_IDENTIFY, MSGL_V, "ID_DVD_TITLE_%d_LENGTH=%d.%03d\n", title, t / 1000, t % 1000);
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "TITLE %u, CHAPTERS: ", title);
for(i=0; i<n; i++) {
t = parts[i] / 90000;
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "%02d:%02d:%02d,", t/3600, (t/60)%60, t%60);
}
free(parts);
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "\n");
}
}
static void identify(dvdnav_priv_t *priv, struct stream_priv_s *p)
{
uint32_t titles=0, i;
if(p->track <= 0) {
dvdnav_get_number_of_titles(priv->dvdnav, &titles);
for(i=0; i<titles; i++)
identify_chapters(priv->dvdnav, i);
}
else
identify_chapters(priv->dvdnav, p->track);
}
static void show_audio_subs_languages(dvdnav_t *nav)
{
uint8_t lg;
uint16_t i, lang, format, id, channels;
int base[7] = {128, 0, 0, 0, 160, 136, 0};
char tmp[3];
for(i=0; i<8; i++)
{
lg = dvdnav_get_audio_logical_stream(nav, i);
if(lg == 0xff) continue;
channels = dvdnav_audio_stream_channels(nav, lg);
if(channels == 0xFFFF)
channels = 2; //unknown
else
channels--;
lang = dvdnav_audio_stream_to_lang(nav, lg);
if(lang == 0xFFFF)
tmp[0] = tmp[1] = '?';
else
{
tmp[0] = lang >> 8;
tmp[1] = lang & 0xFF;
}
tmp[2] = 0;
format = dvdnav_audio_stream_format(nav, lg);
if(format == 0xFFFF || format > 6)
format = 1; //unknown
id = i + base[format];
if (lang != 0xFFFF) {
mp_msg(MSGT_OPEN,MSGL_STATUS,MSGTR_DVDaudioStreamInfo, i,
dvd_audio_stream_types[format], dvd_audio_stream_channels[channels], tmp, id);
if(lang && tmp[0])
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_AID_%d_LANG=%s\n", id, tmp);
}
}
for(i=0; i<32; i++)
{
lg = dvdnav_get_spu_logical_stream(nav, i);
if(lg == 0xff) continue;
lang = dvdnav_spu_stream_to_lang(nav, lg);
if(lang == 0xFFFF)
tmp[0] = tmp[1] = '?';
else
{
tmp[0] = lang >> 8;
tmp[1] = lang & 0xFF;
}
tmp[2] = 0;
if (lang != 0xFFFF)
mp_msg(MSGT_OPEN,MSGL_STATUS,MSGTR_DVDsubtitleLanguage, i+0x20, tmp);
}
}
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;
dvdnav_priv_t *priv;
if(p->device) filename = p->device;
else if(dvd_device) filename= dvd_device;
else filename = DEFAULT_DVD_DEVICE;
if(!(priv=new_dvdnav_stream(filename))) {
mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_CantOpenDVD,filename, strerror(errno));
return STREAM_UNSUPPORTED;
}
if(p->track > 0) {
priv->title = p->track;
if(dvdnav_title_play(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(priv->dvdnav));
return STREAM_UNSUPPORTED;
}
} else if (p->track == 0) {
if(dvdnav_menu_call(priv->dvdnav, DVD_MENU_Root) != DVDNAV_STATUS_OK)
dvdnav_menu_call(priv->dvdnav, DVD_MENU_Title);
}
if(mp_msg_test(MSGT_IDENTIFY, MSGL_INFO))
identify(priv, p);
if(p->track > 0)
show_audio_subs_languages(priv->dvdnav);
if(dvd_angle > 1)
dvdnav_angle_change(priv->dvdnav, dvd_angle);
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*)priv;
*file_format = DEMUXER_TYPE_MPEG_PS;
update_title_len(stream);
if(!stream->pos && p->track > 0)
mp_msg(MSGT_OPEN,MSGL_ERR, "INIT ERROR: couldn't get init pos %s\r\n", dvdnav_err_to_string(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;
}
void mp_dvdnav_handle_input(stream_t *stream, int cmd, int *button) {
dvdnav_priv_t * priv = stream->priv;
dvdnav_t *nav = priv->dvdnav;
dvdnav_status_t status=DVDNAV_STATUS_ERR;
pci_t *pci = dvdnav_get_current_nav_pci(nav);
if(cmd != MP_CMD_DVDNAV_SELECT && !pci)
return;
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);
break;
case MP_CMD_DVDNAV_PREVMENU: {
int title=0, part=0;
dvdnav_current_title_info(nav, &title, &part);
if(title) {
if((status=dvdnav_menu_call(nav, DVD_MENU_Part)) == DVDNAV_STATUS_OK)
break;
}
if((status=dvdnav_menu_call(nav, DVD_MENU_Title)) == DVDNAV_STATUS_OK)
break;
status=dvdnav_menu_call(nav, DVD_MENU_Root);
}
break;
case MP_CMD_DVDNAV_SELECT:
status = dvdnav_button_activate(nav, pci);
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, priv->mousex, 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);
}
void mp_dvdnav_update_mouse_pos(stream_t *stream, int32_t x, int32_t y, int* button) {
dvdnav_priv_t * priv = stream->priv;
dvdnav_t *nav = 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;
priv->mousex = x;
priv->mousey = y;
}
static int mp_dvdnav_get_aid_from_format (stream_t *stream, int index, uint8_t lg) {
dvdnav_priv_t * priv = stream->priv;
uint8_t format;
format = dvdnav_audio_stream_format(priv->dvdnav, lg);
switch(format) {
case DVDNAV_FORMAT_AC3:
return (index + 128);
case DVDNAV_FORMAT_DTS:
return (index + 136);
case DVDNAV_FORMAT_LPCM:
return (index + 160);
case DVDNAV_FORMAT_MPEGAUDIO:
return index;
default:
return -1;
}
return -1;
}
/**
* \brief mp_dvdnav_aid_from_audio_num() returns the audio id corresponding to the logical number
* \param stream: - stream pointer
* \param audio_num: - logical number
* \return -1 on error, current subtitle id if successful
*/
int mp_dvdnav_aid_from_audio_num(stream_t *stream, int audio_num) {
dvdnav_priv_t * priv = stream->priv;
int k;
uint8_t lg;
for(k=0; k<32; k++) {
lg = dvdnav_get_audio_logical_stream(priv->dvdnav, k);
if (lg == 0xff) continue;
if (lg != audio_num) continue;
return mp_dvdnav_get_aid_from_format (stream, k, lg);
}
return -1;
}
/**
* \brief mp_dvdnav_aid_from_lang() returns the audio id corresponding to the language code 'lang'
* \param stream: - stream pointer
* \param lang: 2-characters language code[s], eventually separated by spaces of commas
* \return -1 on error, current subtitle id if successful
*/
int mp_dvdnav_aid_from_lang(stream_t *stream, unsigned char *language) {
dvdnav_priv_t * priv = stream->priv;
int k;
uint8_t lg;
uint16_t lang, lcode;
while(language && strlen(language)>=2) {
lcode = (language[0] << 8) | (language[1]);
for(k=0; k<32; k++) {
lg = dvdnav_get_audio_logical_stream(priv->dvdnav, k);
if(lg == 0xff) continue;
lang = dvdnav_audio_stream_to_lang(priv->dvdnav, lg);
if(lang != 0xFFFF && lang == lcode)
return mp_dvdnav_get_aid_from_format (stream, k, lg);
}
language += 2;
while(language[0]==',' || language[0]==' ') ++language;
}
return -1;
}
/**
* \brief mp_dvdnav_lang_from_aid() assigns to buf the language corresponding to audio id 'aid'
* \param stream: - stream pointer
* \param sid: physical subtitle id
* \param buf: buffer to contain the 2-chars language string
* \return 0 on error, 1 if successful
*/
int mp_dvdnav_lang_from_aid(stream_t *stream, int aid, unsigned char *buf) {
uint8_t lg;
uint16_t lang;
dvdnav_priv_t * priv = stream->priv;
if(aid < 0)
return 0;
lg = dvdnav_get_audio_logical_stream(priv->dvdnav, aid & 0x7);
if(lg == 0xff) return 0;
lang = dvdnav_audio_stream_to_lang(priv->dvdnav, lg);
if(lang == 0xffff) return 0;
buf[0] = lang >> 8;
buf[1] = lang & 0xFF;
buf[2] = 0;
return 1;
}
/**
* \brief mp_dvdnav_sid_from_lang() returns the subtitle id corresponding to the language code 'lang'
* \param stream: - stream pointer
* \param lang: 2-characters language code[s], eventually separated by spaces of commas
* \return -1 on error, current subtitle id if successful
*/
int mp_dvdnav_sid_from_lang(stream_t *stream, unsigned char *language) {
dvdnav_priv_t * priv = stream->priv;
uint8_t lg, k;
uint16_t lang, lcode;
while(language && strlen(language)>=2) {
lcode = (language[0] << 8) | (language[1]);
for(k=0; k<32; k++) {
lg = dvdnav_get_spu_logical_stream(priv->dvdnav, k);
if(lg == 0xff) continue;
lang = dvdnav_spu_stream_to_lang(priv->dvdnav, lg);
if(lang != 0xFFFF && lang == lcode) {
return k;
}
}
language += 2;
while(language[0]==',' || language[0]==' ') ++language;
}
return -1;
}
/**
* \brief mp_dvdnav_lang_from_sid() assigns to buf the language corresponding to subtitle id 'sid'
* \param stream: - stream pointer
* \param sid: physical subtitle id
* \param buf: buffer to contain the 2-chars language string
* \return 0 on error, 1 if successful
*/
int mp_dvdnav_lang_from_sid(stream_t *stream, int sid, unsigned char *buf) {
uint8_t lg;
uint16_t lang;
dvdnav_priv_t *priv = stream->priv;
if(sid < 0) return 0;
lg = dvdnav_get_spu_logical_stream(priv->dvdnav, sid);
lang = dvdnav_spu_stream_to_lang(priv->dvdnav, lg);
if(lang == 0xffff) return 0;
buf[0] = lang >> 8;
buf[1] = lang & 0xFF;
buf[2] = 0;
return 1;
}
/**
* \brief mp_dvdnav_number_of_subs() returns the count of available subtitles
* \param stream: - stream pointer
* \return 0 on error, something meaningful otherwise
*/
int mp_dvdnav_number_of_subs(stream_t *stream) {
dvdnav_priv_t * priv = stream->priv;
uint8_t lg, k, n=0;
if (priv->state & NAV_FLAG_VTS_DOMAIN) return 0;
for(k=0; k<32; k++) {
lg = dvdnav_get_spu_logical_stream(priv->dvdnav, k);
if(lg == 0xff) continue;
n++;
}
return n;
}
/**
* \brief mp_dvdnav_get_spu_clut() returns the spu clut
* \param stream: - stream pointer
* \return spu clut pointer
*/
unsigned int *mp_dvdnav_get_spu_clut(stream_t *stream) {
dvdnav_priv_t *priv = stream->priv;
return (priv->state & NAV_FLAG_SPU_SET) ? priv->spu_clut : NULL;
}
/**
* \brief mp_dvdnav_get_highlight() get dvdnav highlight struct
* \param stream: - stream pointer
* \param hl : - highlight struct pointer
*/
void mp_dvdnav_get_highlight (stream_t *stream, nav_highlight_t *hl) {
dvdnav_priv_t *priv = stream->priv;
dvdnav_highlight_event_t hlev = priv->hlev;
hl->sx = hlev.sx;
hl->sy = hlev.sy;
hl->ex = hlev.ex;
hl->ey = hlev.ey;
hl->palette = hlev.palette;
}
void mp_dvdnav_switch_title (stream_t *stream, int title) {
dvdnav_priv_t *priv = stream->priv;
uint32_t titles;
dvdnav_get_number_of_titles (priv->dvdnav, &titles);
if (title > 0 && title <= titles)
dvdnav_title_play (priv->dvdnav, title);
}
/**
* \brief Check if end of stream has been reached
* \param stream: - stream pointer
* \return 1 on really eof
*/
int mp_dvdnav_is_eof (stream_t *stream) {
return ((dvdnav_priv_t *) stream->priv)->state & NAV_FLAG_EOF;
}
/**
* \brief Skip still frame
* \param stream: - stream pointer
* \return 0 on success
*/
int mp_dvdnav_skip_still (stream_t *stream) {
dvdnav_priv_t *priv = stream->priv;
if (priv->still_length == 0xff)
return 1;
dvdnav_still_skip(priv->dvdnav);
return 0;
}
/**
* \brief Skip wait event
* \param stream: - stream pointer
* \return 0 on success
*/
int mp_dvdnav_skip_wait (stream_t *stream) {
dvdnav_priv_t *priv = stream->priv;
if (!(priv->state & NAV_FLAG_WAIT))
return 1;
priv->state &= ~NAV_FLAG_WAIT;
dvdnav_wait_skip(priv->dvdnav);
return 0;
}
/**
* \brief Set wait mode
* \param stream : - stream pointer
* \param mode : - if true, then suspend block read
* \param automode: - if true, then VTS or cell change set wait mode
*/
void mp_dvdnav_read_wait (stream_t *stream, int mode, int automode) {
dvdnav_priv_t *priv = stream->priv;
if (mode == 0)
priv->state &= ~NAV_FLAG_WAIT_READ;
if (mode > 0)
priv->state |= NAV_FLAG_WAIT_READ;
if (automode == 0)
priv->state &= ~NAV_FLAG_WAIT_READ_AUTO;
if (automode > 0)
priv->state |= NAV_FLAG_WAIT_READ_AUTO;
}
/**
* \brief Check if cell has changed
* \param stream: - stream pointer
* \param clear : - if true, then clear cell change flag
* \return 1 if cell has changed
*/
int mp_dvdnav_cell_has_changed (stream_t *stream, int clear) {
dvdnav_priv_t *priv = stream->priv;
if (!(priv->state & NAV_FLAG_CELL_CHANGE))
return 0;
if (clear) {
priv->state &= ~NAV_FLAG_CELL_CHANGE;
priv->state |= NAV_FLAG_STREAM_CHANGE;
}
return 1;
}
/**
* \brief Check if audio has changed
* \param stream: - stream pointer
* \param clear : - if true, then clear audio change flag
* \return 1 if audio has changed
*/
int mp_dvdnav_audio_has_changed (stream_t *stream, int clear) {
dvdnav_priv_t *priv = stream->priv;
if (!(priv->state & NAV_FLAG_AUDIO_CHANGE))
return 0;
if (clear)
priv->state &= ~NAV_FLAG_AUDIO_CHANGE;
return 1;
}
/**
* \brief Check if SPU has changed
* \param stream: - stream pointer
* \param clear : - if true, then clear spu change flag
* \return 1 if spu has changed
*/
int mp_dvdnav_spu_has_changed (stream_t *stream, int clear) {
dvdnav_priv_t *priv = stream->priv;
if (!(priv->state & NAV_FLAG_SPU_CHANGE))
return 0;
if (clear)
priv->state &= ~NAV_FLAG_SPU_CHANGE;
return 1;
}
/* Notify if something has changed in stream
* Can be related to title, chapter, audio or SPU
*/
int mp_dvdnav_stream_has_changed (stream_t *stream) {
dvdnav_priv_t *priv = stream->priv;
if (!(priv->state & NAV_FLAG_STREAM_CHANGE))
return 0;
priv->state &= ~NAV_FLAG_STREAM_CHANGE;
return 1;
}
const 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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