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gstreamer1.0-plugins-base: Set need_segment after sink pad receive GST_EVENT_SEGMENT

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Subparse works in push mode, chain funciton will be called once
up stream element finished the seeking and flushing.

If set need_segment flag in src pad event handler, the segment
event will be pushed earlier, result in the subtitle text will
be send out to down stream from the beginning.

(From OE-Core rev: 48742378cd91297db439ee83576f3663befaa8f9)

Signed-off-by: Yuqing Zhu <b54851@freescale.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Yuqing Zhu
2015-08-10 11:41:42 +08:00
committed by Richard Purdie
parent 96cc8de72c
commit e9a3cfad28
2 changed files with 70 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

69
meta/recipes-multimedia/gstreamer/gstreamer1.0-plugins-base/0004-subparse-set-need_segment-after-sink-pad-received-GS.patch Normal file
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@@ -0,0 +1,69 @@
From ed09c8fd2c9c2b5384b72cc70af3728be6694e64 Mon Sep 17 00:00:00 2001
From: Mingke Wang <mingke.wang@freescale.com>
Date: Thu, 19 Mar 2015 14:20:26 +0800
Subject: [PATCH 4/4] subparse: set need_segment after sink pad received
GST_EVENT_SEGMENT
subparse works in push mode, chain funciton will be called once
up stream element finished the seeking and flushing.
if set need_segment flag in src pad event handler, the segment
event will be pushed earlier, result in the subtitle text will
be send out to down stream from the beginning.
Upstream-Status: Submitted [https://bugzilla.gnome.org/show_bug.cgi?id=747498]
Signed-off-by: Mingke Wang <mingke.wang@freescale.com>
diff --git a/gst/subparse/gstsubparse.c b/gst/subparse/gstsubparse.c
old mode 100644
new mode 100755
index b565e93..7741ccc
--- a/gst/subparse/gstsubparse.c
+++ b/gst/subparse/gstsubparse.c
@@ -266,22 +266,20 @@ gst_sub_parse_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
goto beach;
}
+ /* Apply the seek to our segment */
+ gst_segment_do_seek (&self->segment, rate, format, flags,
+ start_type, start, stop_type, stop, &update);
+
+ GST_DEBUG_OBJECT (self, "segment after seek: %" GST_SEGMENT_FORMAT,
+ &self->segment);
+
/* Convert that seek to a seeking in bytes at position 0,
FIXME: could use an index */
ret = gst_pad_push_event (self->sinkpad,
gst_event_new_seek (rate, GST_FORMAT_BYTES, flags,
GST_SEEK_TYPE_SET, 0, GST_SEEK_TYPE_NONE, 0));
- if (ret) {
- /* Apply the seek to our segment */
- gst_segment_do_seek (&self->segment, rate, format, flags,
- start_type, start, stop_type, stop, &update);
-
- GST_DEBUG_OBJECT (self, "segment after seek: %" GST_SEGMENT_FORMAT,
- &self->segment);
-
- self->need_segment = TRUE;
- } else {
+ if (!ret) {
GST_WARNING_OBJECT (self, "seek to 0 bytes failed");
}
@@ -1632,8 +1630,10 @@ gst_sub_parse_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
gst_event_parse_segment (event, &s);
if (s->format == GST_FORMAT_TIME)
gst_event_copy_segment (event, &self->segment);
- GST_DEBUG_OBJECT (self, "newsegment (%s)",
- gst_format_get_name (self->segment.format));
+ GST_DEBUG_OBJECT (self, "newsegment (%s) %" GST_SEGMENT_FORMAT,
+ gst_format_get_name (self->segment.format), &self->segment);
+
+ self->need_segment = TRUE;
/* if not time format, we'll either start with a 0 timestamp anyway or
* it's following a seek in which case we'll have saved the requested
--
1.7.9.5

1
meta/recipes-multimedia/gstreamer/gstreamer1.0-plugins-base_1.4.5.bb
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@@ -20,6 +20,7 @@ SRC_URI += "file://do-not-change-eos-event-to-gap-event-if.patch \
file://0001-basetextoverlay-make-memory-copy-when-video-buffer-s.patch \
file://0002-gstplaysink-don-t-set-async-of-custom-text-sink-to-f.patch \
file://0003-ssaparse-enhance-SSA-text-lines-parsing.patch \
file://0004-subparse-set-need_segment-after-sink-pad-received-GS.patch \
"
SRC_URI[md5sum] = "357165af625c0ca353ab47c5d843920e"