From cbcdb18e34b1003712f09e79d662a3980495e11a Mon Sep 17 00:00:00 2001 From: arpi Date: Wed, 3 Apr 2002 17:50:48 +0000 Subject: dvdnav_stream functions - dvdnav patch by Kees Cook git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5472 b3059339-0415-0410-9bf9-f77b7e298cf2 --- libmpdemux/dvdnav_stream.c | 235 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 235 insertions(+) create mode 100644 libmpdemux/dvdnav_stream.c (limited to 'libmpdemux/dvdnav_stream.c') diff --git a/libmpdemux/dvdnav_stream.c b/libmpdemux/dvdnav_stream.c new file mode 100644 index 0000000000..cff01558be --- /dev/null +++ b/libmpdemux/dvdnav_stream.c @@ -0,0 +1,235 @@ +#include "config.h" + +#ifdef USE_DVDNAV +#include +#include +#include +#include +#include +#include "mp_msg.h" +#include "../linux/timer.h" +#include "../input/input.h" +#include "stream.h" +#include "dvdnav_stream.h" +#include "../spudec.h" + +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 || nowsleep_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; +} + +#endif /* USE_DVDNAV */ -- cgit v1.2.3