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winegstreamer: Try to convert the duration from bytes if the pad doesn't support querying time directly. 

This can help mpegaudioparse report a usable duration, and presumably also
other elements built from baseparse.

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2020-06-10 15:52:57 -05:00 committed by Alexandre Julliard
parent 9cc742d258
commit 613446d018
1 changed files with 24 additions and 16 deletions
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40
dlls/winegstreamer/gstdemux.c
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@ -1324,6 +1324,26 @@ static HRESULT GST_Connect(struct gstdemux *This, IPin *pConnectPin)
return S_OK;
}
static LONGLONG query_duration(GstPad *pad)
{
gint64 duration, byte_length;
if (gst_pad_query_duration(pad, GST_FORMAT_TIME, &duration))
return duration / 100;
WARN("Failed to query time duration; trying to convert from byte length.\n");
/* To accurately get a duration for the stream, we want to only consider the
* length of that stream. Hence, query for the pad duration, instead of
* using the file duration. */
if (gst_pad_query_duration(pad, GST_FORMAT_BYTES, &byte_length)
&& gst_pad_query_convert(pad, GST_FORMAT_BYTES, byte_length, GST_FORMAT_TIME, &duration))
return duration / 100;
ERR("Failed to query duration.\n");
return 0;
}
static inline struct gstdemux_source *impl_from_IMediaSeeking(IMediaSeeking *iface)
{
return CONTAINING_RECORD(iface, struct gstdemux_source, seek.IMediaSeeking_iface);
@ -1583,7 +1603,6 @@ static const struct strmbase_sink_ops sink_ops =
static BOOL gstdecoder_init_gst(struct gstdemux *filter)
{
GstElement *element = gst_element_factory_make("decodebin", NULL);
LONGLONG duration;
unsigned int i;
int ret;
@ -1626,9 +1645,7 @@ static BOOL gstdecoder_init_gst(struct gstdemux *filter)
struct gstdemux_source *pin = filter->sources[i];
const HANDLE events[2] = {pin->caps_event, filter->error_event};
if (!gst_pad_query_duration(filter->sources[i]->their_src, GST_FORMAT_TIME, &duration))
ERR("Failed to query duration.\n");
pin->seek.llDuration = pin->seek.llStop = duration / 100;
pin->seek.llDuration = pin->seek.llStop = query_duration(pin->their_src);
pin->seek.llCurrent = 0;
if (WaitForMultipleObjects(2, events, FALSE, INFINITE))
return FALSE;
@ -2314,7 +2331,6 @@ static BOOL wave_parser_init_gst(struct gstdemux *filter)
static const WCHAR source_name[] = {'o','u','t','p','u','t',0};
struct gstdemux_source *pin;
GstElement *element;
LONGLONG duration;
HANDLE events[2];
int ret;
@ -2353,9 +2369,7 @@ static BOOL wave_parser_init_gst(struct gstdemux *filter)
return FALSE;
}
if (!gst_pad_query_duration(pin->their_src, GST_FORMAT_TIME, &duration))
ERR("Failed to query duration.\n");
pin->seek.llDuration = pin->seek.llStop = duration / 100;
pin->seek.llDuration = pin->seek.llStop = query_duration(pin->their_src);
pin->seek.llCurrent = 0;
events[0] = pin->caps_event;
@ -2428,7 +2442,6 @@ static const struct strmbase_sink_ops avi_splitter_sink_ops =
static BOOL avi_splitter_init_gst(struct gstdemux *filter)
{
GstElement *element = gst_element_factory_make("avidemux", NULL);
LONGLONG duration;
unsigned int i;
int ret;
@ -2469,9 +2482,7 @@ static BOOL avi_splitter_init_gst(struct gstdemux *filter)
struct gstdemux_source *pin = filter->sources[i];
const HANDLE events[2] = {pin->caps_event, filter->error_event};
if (!gst_pad_query_duration(filter->sources[i]->their_src, GST_FORMAT_TIME, &duration))
ERR("Failed to query duration.\n");
pin->seek.llDuration = pin->seek.llStop = duration / 100;
pin->seek.llDuration = pin->seek.llStop = query_duration(pin->their_src);
pin->seek.llCurrent = 0;
if (WaitForMultipleObjects(2, events, FALSE, INFINITE))
return FALSE;
@ -2550,7 +2561,6 @@ static BOOL mpeg_splitter_init_gst(struct gstdemux *filter)
static const WCHAR source_name[] = {'A','u','d','i','o',0};
struct gstdemux_source *pin;
GstElement *element;
LONGLONG duration;
HANDLE events[2];
int ret;
@ -2593,9 +2603,7 @@ static BOOL mpeg_splitter_init_gst(struct gstdemux *filter)
if (WaitForMultipleObjects(2, events, FALSE, INFINITE))
return FALSE;
if (!gst_pad_query_duration(pin->their_src, GST_FORMAT_TIME, &duration))
ERR("Failed to query duration.\n");
pin->seek.llDuration = pin->seek.llStop = duration / 100;
pin->seek.llDuration = pin->seek.llStop = query_duration(pin->their_src);
pin->seek.llCurrent = 0;
events[0] = pin->caps_event;