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fdsink: implement SEEKING query

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We may or may not support seeking. stdout to a
terminal doesn't support seeking, for example, but
... ! fdsink > file.foo just might.
This commit is contained in:
Tim-Philipp Müller 2012-02-25 15:08:55 +00:00
parent 82a9544385
commit 965c610028
2 changed files with 15 additions and 0 deletions
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13
plugins/elements/gstfdsink.c
View file

@ -222,6 +222,16 @@ gst_fd_sink_query (GstPad * pad, GstQuery * query)
gst_query_set_uri (query, fdsink->uri);
return TRUE;
case GST_QUERY_SEEKING:
gst_query_parse_seeking (query, &format, NULL, NULL, NULL);
if (format == GST_FORMAT_BYTES || format == GST_FORMAT_DEFAULT) {
gst_query_set_seeking (query, GST_FORMAT_BYTES, fdsink->seekable, 0,
-1);
} else {
gst_query_set_seeking (query, format, FALSE, 0, -1);
}
return TRUE;
default:
return gst_pad_query_default (pad, query);
}
@ -384,6 +394,9 @@ gst_fd_sink_start (GstBaseSink * basesink)
fdsink->bytes_written = 0;
fdsink->current_pos = 0;
fdsink->seekable = gst_fd_sink_do_seek (fdsink, 0);
GST_INFO_OBJECT (fdsink, "seeking supported: %d", fdsink->seekable);
return TRUE;
/* ERRORS */

2
plugins/elements/gstfdsink.h
View file

@ -59,6 +59,8 @@ struct _GstFdSink {
int fd;
guint64 bytes_written;
guint64 current_pos;
gboolean seekable;
};
struct _GstFdSinkClass {