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add a new state flag to dvdnav in order to notify if

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something has changed in the current stream (being title, chapter,
audio layer or SPU one)



git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@25858 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
ben 2008-01-26 16:17:44 +00:00
parent 923c1f08ca
commit 6230aab9bf
2 changed files with 21 additions and 0 deletions
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20
stream/stream_dvdnav.c
View File

@ -30,6 +30,7 @@ typedef enum {
NAV_FLAG_WAIT_READ = 1 << 5, /* suspend read from stream */ NAV_FLAG_WAIT_READ = 1 << 5, /* suspend read from stream */
NAV_FLAG_VTS_DOMAIN = 1 << 6, /* vts domain */ NAV_FLAG_VTS_DOMAIN = 1 << 6, /* vts domain */
NAV_FLAG_SPU_SET = 1 << 7, /* spu_clut is valid */ NAV_FLAG_SPU_SET = 1 << 7, /* spu_clut is valid */
NAV_FLAG_STREAM_CHANGE = 1 << 8, /* title, chapter, audio or SPU */
} dvdnav_state_t; } dvdnav_state_t;
typedef struct { typedef struct {
@ -198,6 +199,7 @@ static int dvdnav_stream_read(dvdnav_priv_t * priv, unsigned char *buf, int *len
uint32_t nextstill; uint32_t nextstill;
priv->state &= ~NAV_FLAG_WAIT_SKIP; priv->state &= ~NAV_FLAG_WAIT_SKIP;
priv->state |= NAV_FLAG_STREAM_CHANGE;
if(ev->pgc_length) if(ev->pgc_length)
priv->duration = ev->pgc_length/90; priv->duration = ev->pgc_length/90;
@ -233,6 +235,11 @@ static int dvdnav_stream_read(dvdnav_priv_t * priv, unsigned char *buf, int *len
} }
case DVDNAV_VTS_CHANGE: { case DVDNAV_VTS_CHANGE: {
priv->state &= ~NAV_FLAG_WAIT_SKIP; 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; break;
} }
} }
@ -899,9 +906,22 @@ int mp_dvdnav_cell_has_changed (stream_t *stream, int clear) {
return 0; return 0;
if (clear) if (clear)
priv->state &= ~NAV_FLAG_CELL_CHANGED; priv->state &= ~NAV_FLAG_CELL_CHANGED;
if (clear) priv->state |= NAV_FLAG_STREAM_CHANGE;
return 1; 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 = { const stream_info_t stream_info_dvdnav = {
"DVDNAV stream", "DVDNAV stream",

1
stream/stream_dvdnav.h
View File

@ -27,5 +27,6 @@ int mp_dvdnav_skip_still (stream_t *stream);
int mp_dvdnav_skip_wait (stream_t *stream); int mp_dvdnav_skip_wait (stream_t *stream);
void mp_dvdnav_read_wait (stream_t *stream, int mode, int automode); void mp_dvdnav_read_wait (stream_t *stream, int mode, int automode);
int mp_dvdnav_cell_has_changed (stream_t *stream, int clear); int mp_dvdnav_cell_has_changed (stream_t *stream, int clear);
int mp_dvdnav_stream_has_changed (stream_t *stream);
#endif /* MPLAYER_STREAM_DVDNAV_H */ #endif /* MPLAYER_STREAM_DVDNAV_H */