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command: add estimated-frame-count & estimated-frame-number properties

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Signed-off-by: wm4 <wm4@nowhere>
This commit is contained in:
Andrey Morozov 2014-08-19 23:19:38 +04:00 committed by wm4
parent 960f0ccfa1
commit 1cb15316b0
2 changed files with 46 additions and 0 deletions
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7
DOCS/man/input.rst
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@ -596,6 +596,13 @@ Property list
``${stream-end}``. For ordered chapters and such, the
size of the currently played segment is returned.)
``estimated-frame-count``
Total number of frames in current file. Note: It's only an estimate.
(It's computed from two unreliable quantities: fps and stream length.)
``estimated-frame-number``
Number of current frame in current stream.
``path``
Full path of the currently played file.

39
player/command.c
View File

@ -2011,6 +2011,42 @@ static int mp_property_border(void *ctx, struct m_property *prop,
&mpctx->opts->vo.border, mpctx);
}
static int get_frame_count(struct MPContext *mpctx)
{
struct demuxer *demuxer = mpctx->demuxer;
if (!demuxer)
return 0;
if (!mpctx->d_video)
return 0;
int frame_count = (int)(get_time_length(mpctx) * mpctx->d_video->fps);
return frame_count;
}
static int mp_property_frame_number(void *ctx, struct m_property *prop,
int action, void *arg)
{
MPContext *mpctx = ctx;
if (!mpctx->d_video)
return M_PROPERTY_UNAVAILABLE;
int frame_number = ROUND(get_current_pos_ratio(mpctx, false) *
(double)get_frame_count(mpctx));
return m_property_int_ro(action, arg, frame_number);
}
static int mp_property_frame_count(void *ctx, struct m_property *prop,
int action, void *arg)
{
MPContext *mpctx = ctx;
if (!mpctx->d_video)
return M_PROPERTY_UNAVAILABLE;
return m_property_int_ro(action, arg, get_frame_count(mpctx));
}
static int mp_property_framedrop(void *ctx, struct m_property *prop,
int action, void *arg)
{
@ -2790,6 +2826,9 @@ static const struct m_property mp_properties[] = {
{"program", mp_property_program},
{"hwdec", mp_property_hwdec},
{"estimated-frame-count", mp_property_frame_count},
{"estimated-frame-number", mp_property_frame_number},
{"osd-width", mp_property_osd_w},
{"osd-height", mp_property_osd_h},
{"osd-par", mp_property_osd_par},