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filesink: flush (discard data) on FLUSH_STOP

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Reset the write position to 0 and truncate the file on FLUSH_STOP.
This commit is contained in:
Alessandro Decina 2013-08-27 07:51:35 +02:00
parent b19d0518cb
commit 924acf5e92
2 changed files with 60 additions and 0 deletions
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9
plugins/elements/gstfilesink.c
View file

@ -56,6 +56,8 @@
#define lseek _lseeki64
#undef off_t
#define off_t guint64
#undef ftruncate
#define ftruncate _chsize
#ifdef _MSC_VER /* Check if we are using MSVC, fileno is deprecated in favour */
#define fileno _fileno /* of _fileno */
#endif
@ -242,6 +244,7 @@ gst_file_sink_init (GstFileSink * filesink)
{
filesink->filename = NULL;
filesink->file = NULL;
filesink->current_pos = 0;
filesink->buffer_mode = DEFAULT_BUFFER_MODE;
filesink->buffer_size = DEFAULT_BUFFER_SIZE;
filesink->buffer = NULL;
@ -584,6 +587,12 @@ gst_file_sink_event (GstBaseSink * sink, GstEvent * event)
}
break;
}
case GST_EVENT_FLUSH_STOP:
if (filesink->current_pos != 0 && filesink->seekable) {
gst_file_sink_do_seek (filesink, 0);
ftruncate (fileno (filesink->file), 0);
}
break;
case GST_EVENT_EOS:
if (fflush (filesink->file))
goto flush_failed;

51
tests/check/elements/filesink.c
View file

@ -226,6 +226,56 @@ GST_START_TEST (test_seeking)
GST_END_TEST;
GST_START_TEST (test_flush)
{
GstElement *filesink;
gchar *tmp_fn;
GstSegment segment;
tmp_fn = create_temporary_file ();
if (tmp_fn == NULL)
return;
filesink = setup_filesink ();
GST_LOG ("using temp file '%s'", tmp_fn);
g_object_set (filesink, "location", tmp_fn, NULL);
fail_unless_equals_int (gst_element_set_state (filesink, GST_STATE_PLAYING),
GST_STATE_CHANGE_ASYNC);
fail_unless (gst_pad_push_event (mysrcpad,
gst_event_new_stream_start ("test")));
gst_segment_init (&segment, GST_FORMAT_TIME);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment)));
CHECK_QUERY_POSITION (filesink, GST_FORMAT_BYTES, 0);
PUSH_BYTES (8);
CHECK_QUERY_POSITION (filesink, GST_FORMAT_BYTES, 8);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_flush_start ()));
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_flush_stop (TRUE)));
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment)));
fail_unless_equals_int (gst_element_set_state (filesink, GST_STATE_PLAYING),
GST_STATE_CHANGE_ASYNC);
CHECK_QUERY_POSITION (filesink, GST_FORMAT_BYTES, 0);
PUSH_BYTES (4);
CHECK_QUERY_POSITION (filesink, GST_FORMAT_BYTES, 4);
cleanup_filesink (filesink);
CHECK_WRITTEN_BYTES (0, 4, 4);
g_remove (tmp_fn);
g_free (tmp_fn);
}
GST_END_TEST;
GST_START_TEST (test_coverage)
{
GstElement *filesink;
@ -335,6 +385,7 @@ filesink_suite (void)
tcase_add_test (tc_chain, test_coverage);
tcase_add_test (tc_chain, test_uri_interface);
tcase_add_test (tc_chain, test_seeking);
tcase_add_test (tc_chain, test_flush);
return s;
}