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Add routine to determine if audio has changed in dvdnav stream.

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@27015 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
ben 2008-06-07 12:37:32 +00:00
parent 4f99e19300
commit a5d9a2b2b0
2 changed files with 25 additions and 0 deletions
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24
stream/stream_dvdnav.c
View File

@ -31,6 +31,7 @@ typedef enum {
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 */
} dvdnav_state_t;
typedef struct {
@ -332,6 +333,7 @@ static int fill_buffer(stream_t *s, char *but, int len)
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_CHANGED;
priv->state |= NAV_FLAG_AUDIO_CHANGE;
priv->state &= ~NAV_FLAG_WAIT_SKIP;
priv->state &= ~NAV_FLAG_WAIT;
s->end_pos = 0;
@ -348,6 +350,7 @@ static int fill_buffer(stream_t *s, char *but, int len)
}
case DVDNAV_CELL_CHANGE: {
priv->state |= NAV_FLAG_CELL_CHANGED;
priv->state |= NAV_FLAG_AUDIO_CHANGE;
priv->state &= ~NAV_FLAG_WAIT_SKIP;
priv->state &= ~NAV_FLAG_WAIT;
if (priv->state & NAV_FLAG_WAIT_READ_AUTO)
@ -360,6 +363,9 @@ static int fill_buffer(stream_t *s, char *but, int len)
dvdnav_get_highlight (priv, 1);
}
break;
case DVDNAV_AUDIO_STREAM_CHANGE:
priv->state |= NAV_FLAG_AUDIO_CHANGE;
break;
}
}
mp_msg(MSGT_STREAM,MSGL_DBG2,"DVDNAV fill_buffer len: %d\n",len);
@ -906,6 +912,24 @@ int mp_dvdnav_cell_has_changed (stream_t *stream, int clear) {
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;
}
/* Notify if something has changed in stream
* Can be related to title, chapter, audio or SPU
*/

1
stream/stream_dvdnav.h
View File

@ -31,6 +31,7 @@ int mp_dvdnav_skip_still (stream_t *stream);
int mp_dvdnav_skip_wait (stream_t *stream);
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_audio_has_changed (stream_t *stream, int clear);
int mp_dvdnav_stream_has_changed (stream_t *stream);
#endif /* MPLAYER_STREAM_DVDNAV_H */