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command: add new property 'title' 

This commit adds new property 'title' which indicates current
playing title of disc. This property is useful when using a stream
whose title can be changed during playback, e.g., dvdnav.
This commit is contained in:
xylosper 2014-03-15 16:25:23 +09:00 committed by wm4
parent 9e4014d876
commit 746666f096
1 changed files with 20 additions and 0 deletions
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20
player/command.c
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@ -436,6 +436,25 @@ static int mp_property_playtime_remaining(m_option_t *prop, int action,
return property_time(prop, action, arg, remaining / speed);
}
/// Current title (RO)
static int mp_property_title(m_option_t *prop, int action, void *arg,
MPContext *mpctx)
{
struct demuxer *demuxer = mpctx->master_demuxer;
if (!demuxer || !demuxer->stream)
return M_PROPERTY_UNAVAILABLE;
struct stream *stream = demuxer->stream;
unsigned int title = -1;
switch (action) {
case M_PROPERTY_GET:
if (stream_control(stream, STREAM_CTRL_GET_CURRENT_TITLE, &title) <= 0)
return M_PROPERTY_UNAVAILABLE;
return m_property_int_ro(prop, action, arg, title);
default:
return M_PROPERTY_NOT_IMPLEMENTED;
}
}
/// Current chapter (RW)
static int mp_property_chapter(m_option_t *prop, int action, void *arg,
MPContext *mpctx)
@ -2099,6 +2118,7 @@ static const m_option_t mp_properties[] = {
M_OPT_MIN, 0, 0, NULL },
{ "time-remaining", mp_property_remaining, CONF_TYPE_TIME },
{ "playtime-remaining", mp_property_playtime_remaining, CONF_TYPE_TIME },
{ "title", mp_property_title, CONF_TYPE_INT, M_OPT_MIN, -1, 0, NULL },
{ "chapter", mp_property_chapter, CONF_TYPE_INT,
M_OPT_MIN, -1, 0, NULL },
M_OPTION_PROPERTY_CUSTOM("edition", mp_property_edition),