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docs/libs/tmpl/gstcolorbalance.sgml: Updated.
Original commit message from CVS: 2006-02-05 Julien MOUTTE <julien@moutte.net> * docs/libs/tmpl/gstcolorbalance.sgml: Updated. * ext/pango/gsttextoverlay.c: (gst_text_overlay_init), (gst_text_overlay_src_event), (gst_text_overlay_collected): * gst/subparse/gstsubparse.c: (gst_sub_parse_dispose), (gst_sub_parse_class_init), (gst_sub_parse_init), (gst_sub_parse_src_event), (parse_mdvdsub), (parse_subrip), (parse_mpsub), (parser_state_init), (handle_buffer), (gst_sub_parse_chain), (gst_sub_parse_sink_event), (plugin_init): * gst/subparse/gstsubparse.h: Introduce seeking code.
This commit is contained in:
Julien Moutte
parent
00e0574b1f
commit
72c19d4790
5 changed files with 277 additions and 89 deletions
12
ChangeLog
12
ChangeLog
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@ -1,3 +1,15 @@
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2006-02-05 Julien MOUTTE <julien@moutte.net>
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* docs/libs/tmpl/gstcolorbalance.sgml: Updated.
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* ext/pango/gsttextoverlay.c: (gst_text_overlay_init),
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(gst_text_overlay_src_event), (gst_text_overlay_collected):
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* gst/subparse/gstsubparse.c: (gst_sub_parse_dispose),
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(gst_sub_parse_class_init), (gst_sub_parse_init),
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(gst_sub_parse_src_event), (parse_mdvdsub), (parse_subrip),
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(parse_mpsub), (parser_state_init), (handle_buffer),
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(gst_sub_parse_chain), (gst_sub_parse_sink_event), (plugin_init):
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* gst/subparse/gstsubparse.h: Introduce seeking code.
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2006-02-05 Tim-Philipp Müller <tim at centricular dot net>
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* gst-libs/gst/tag/gstvorbistag.c: (gst_vorbis_tag_add):
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@ -23,6 +23,15 @@ interface for adjusting color balance settings
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</para>
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<!-- ##### SIGNAL GstColorBalance::value-changed ##### -->
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<para>
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</para>
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@gstcolorbalance: the object which received the signal.
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@arg1:
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@arg2:
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<!-- ##### STRUCT GstColorBalanceClass ##### -->
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<para>
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@ -152,9 +152,7 @@ static GstStateChangeReturn gst_text_overlay_change_state (GstElement * element,
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GstStateChange transition);
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static GstCaps *gst_text_overlay_getcaps (GstPad * pad);
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static gboolean gst_text_overlay_setcaps (GstPad * pad, GstCaps * caps);
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static GstPadLinkReturn gst_text_overlay_text_pad_linked (GstPad * pad,
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GstPad * peer);
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static void gst_text_overlay_text_pad_unlinked (GstPad * pad);
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static gboolean gst_text_overlay_src_event (GstPad * pad, GstEvent * event);
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static GstFlowReturn gst_text_overlay_collected (GstCollectPads * pads,
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gpointer data);
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static void gst_text_overlay_finalize (GObject * object);
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@ -295,10 +293,6 @@ gst_text_overlay_init (GstTextOverlay * overlay, GstTextOverlayClass * klass)
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overlay->text_sinkpad =
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gst_pad_new_from_template (gst_static_pad_template_get
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(&text_sink_template_factory), "text_sink");
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gst_pad_set_link_function (overlay->text_sinkpad,
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GST_DEBUG_FUNCPTR (gst_text_overlay_text_pad_linked));
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gst_pad_set_unlink_function (overlay->text_sinkpad,
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GST_DEBUG_FUNCPTR (gst_text_overlay_text_pad_unlinked));
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gst_element_add_pad (GST_ELEMENT (overlay), overlay->text_sinkpad);
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}
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@ -308,6 +302,8 @@ gst_text_overlay_init (GstTextOverlay * overlay, GstTextOverlayClass * klass)
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(&src_template_factory), "src");
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gst_pad_set_getcaps_function (overlay->srcpad,
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GST_DEBUG_FUNCPTR (gst_text_overlay_getcaps));
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gst_pad_set_event_function (overlay->srcpad,
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GST_DEBUG_FUNCPTR (gst_text_overlay_src_event));
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gst_element_add_pad (GST_ELEMENT (overlay), overlay->srcpad);
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overlay->layout =
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@ -339,9 +335,8 @@ gst_text_overlay_init (GstTextOverlay * overlay, GstTextOverlayClass * klass)
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overlay->video_collect_data = gst_collect_pads_add_pad (overlay->collect,
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overlay->video_sinkpad, sizeof (GstCollectData));
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/* text pad will be added when it is linked */
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overlay->text_collect_data = NULL;
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overlay->text_collect_data = gst_collect_pads_add_pad (overlay->collect,
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overlay->text_sinkpad, sizeof (GstCollectData));
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}
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static void
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@ -399,43 +394,6 @@ gst_text_overlay_setcaps (GstPad * pad, GstCaps * caps)
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return ret;
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}
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static GstPadLinkReturn
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gst_text_overlay_text_pad_linked (GstPad * pad, GstPad * peer)
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{
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GstTextOverlay *overlay;
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overlay = GST_TEXT_OVERLAY (GST_PAD_PARENT (pad));
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GST_DEBUG_OBJECT (overlay, "Text pad linked");
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if (overlay->text_collect_data == NULL) {
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overlay->text_collect_data = gst_collect_pads_add_pad (overlay->collect,
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overlay->text_sinkpad, sizeof (GstCollectData));
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}
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overlay->need_render = TRUE;
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return GST_PAD_LINK_OK;
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}
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static void
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gst_text_overlay_text_pad_unlinked (GstPad * pad)
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{
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GstTextOverlay *overlay;
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/* don't use gst_pad_get_parent() here, will deadlock */
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overlay = GST_TEXT_OVERLAY (GST_PAD_PARENT (pad));
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GST_DEBUG_OBJECT (overlay, "Text pad unlinked");
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if (overlay->text_collect_data) {
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gst_collect_pads_remove_pad (overlay->collect, overlay->text_sinkpad);
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overlay->text_collect_data = NULL;
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}
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overlay->need_render = TRUE;
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}
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static void
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gst_text_overlay_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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@ -545,6 +503,64 @@ gst_text_overlay_set_property (GObject * object, guint prop_id,
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GST_OBJECT_UNLOCK (overlay);
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}
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static gboolean
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gst_text_overlay_src_event (GstPad * pad, GstEvent * event)
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{
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gboolean ret = FALSE;
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GstTextOverlay *overlay = NULL;
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overlay = GST_TEXT_OVERLAY (gst_pad_get_parent (pad));
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_SEEK:
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GST_DEBUG_OBJECT (overlay, "seek received, driving from here");
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/* Flush downstream */
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gst_pad_push_event (overlay->srcpad, gst_event_new_flush_start ());
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/* Stopping collect pads */
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gst_collect_pads_stop (overlay->collect);
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/* Flush upstream, this is required so that we can take the stream lock
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safely */
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gst_pad_push_event (overlay->video_sinkpad, gst_event_new_flush_start ());
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gst_pad_push_event (overlay->text_sinkpad, gst_event_new_flush_start ());
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/* Acquire stream lock */
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GST_PAD_STREAM_LOCK (overlay->video_sinkpad);
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GST_PAD_STREAM_LOCK (overlay->text_sinkpad);
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/* Seek on each sink pad */
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gst_event_ref (event);
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ret = gst_pad_push_event (overlay->video_sinkpad, event);
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if (ret) {
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ret = gst_pad_push_event (overlay->text_sinkpad, event);
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} else {
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gst_event_unref (event);
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}
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/* Stop flushing upstream */
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gst_pad_push_event (overlay->video_sinkpad, gst_event_new_flush_stop ());
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gst_pad_push_event (overlay->text_sinkpad, gst_event_new_flush_stop ());
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/* Start collect pads again */
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gst_collect_pads_start (overlay->collect);
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/* Release stream lock */
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GST_PAD_STREAM_UNLOCK (overlay->video_sinkpad);
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GST_PAD_STREAM_UNLOCK (overlay->text_sinkpad);
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break;
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default:
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gst_event_ref (event);
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ret = gst_pad_push_event (overlay->video_sinkpad, event);
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ret = gst_pad_push_event (overlay->text_sinkpad, event);
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}
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gst_object_unref (overlay);
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return ret;
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}
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static GstCaps *
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gst_text_overlay_getcaps (GstPad * pad)
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@ -876,6 +892,22 @@ gst_text_overlay_collected (GstCollectPads * pads, gpointer data)
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GST_DEBUG ("Collecting");
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if (overlay->video_collect_data->abidata.ABI.new_segment) {
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GST_DEBUG ("generating newsegment, start %" GST_TIME_FORMAT
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", stop %" GST_TIME_FORMAT,
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GST_TIME_ARGS (overlay->video_collect_data->segment.start),
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GST_TIME_ARGS (overlay->video_collect_data->segment.stop));
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gst_pad_push_event (overlay->srcpad, gst_event_new_new_segment (FALSE,
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overlay->video_collect_data->segment.rate, GST_FORMAT_TIME,
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overlay->video_collect_data->segment.start,
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overlay->video_collect_data->segment.stop,
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overlay->video_collect_data->segment.last_stop));
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overlay->video_collect_data->abidata.ABI.new_segment = FALSE;
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}
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video_frame = gst_collect_pads_peek (overlay->collect,
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overlay->video_collect_data);
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@ -56,10 +56,6 @@ static GstStateChangeReturn gst_sub_parse_change_state (GstElement * element,
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static GstFlowReturn gst_sub_parse_chain (GstPad * sinkpad, GstBuffer * buf);
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#if 0
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static GstCaps *gst_sub_parse_type_find (GstBuffer * buf, gpointer private);
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#endif
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static GstElementClass *parent_class = NULL;
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GType
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@ -106,13 +102,31 @@ gst_sub_parse_base_init (GstSubParseClass * klass)
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gst_element_class_set_details (element_class, &sub_parse_details);
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}
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static void
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gst_sub_parse_dispose (GObject * object)
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{
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GstSubParse *subparse = GST_SUBPARSE (object);
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GST_DEBUG_OBJECT (subparse, "cleaning up subtitle parser");
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if (subparse->segment) {
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gst_segment_free (subparse->segment);
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subparse->segment = NULL;
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}
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GST_CALL_PARENT (G_OBJECT_CLASS, dispose, (object));
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}
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static void
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gst_sub_parse_class_init (GstSubParseClass * klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
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object_class->dispose = gst_sub_parse_dispose;
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element_class->change_state = gst_sub_parse_change_state;
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}
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@ -133,46 +147,21 @@ gst_sub_parse_init (GstSubParse * subparse)
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subparse->textbuf = g_string_new (NULL);
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subparse->parser_type = GST_SUB_PARSE_FORMAT_UNKNOWN;
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subparse->flushing = FALSE;
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subparse->segment = gst_segment_new ();
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if (subparse->segment) {
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gst_segment_init (subparse->segment, GST_FORMAT_TIME);
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subparse->need_segment = TRUE;
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} else {
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GST_WARNING_OBJECT (subparse, "segment creation failed");
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g_assert_not_reached ();
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}
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}
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/*
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* Source pad functions.
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*/
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static gboolean
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gst_sub_parse_do_seek (GstSubParse * self, GstEvent * event)
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{
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GstSeekType type;
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GstFormat format;
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gst_event_parse_seek (event, NULL, &format, NULL, &type, NULL, NULL, NULL);
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if (format != GST_FORMAT_TIME) {
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GST_DEBUG ("Cannot handle seek in non-TIME formats");
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return FALSE;
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}
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/* TODO: use GstSegment? */
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if (type != GST_SEEK_TYPE_SET) {
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GST_DEBUG ("Only support GST_SEEK_TYPE_SET");
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return FALSE;
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}
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GST_PAD_STREAM_LOCK (self->sinkpad);
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/* just seek to 0, rely on the overlayer to throw away buffers until the right
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time -- and his mother cried... */
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self->next_offset = 0;
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/* FIXME: shouldn't we be sending at least a newsegment event? */
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/* FIXME: ... and send a seek event upstream? */
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GST_PAD_STREAM_UNLOCK (self->sinkpad);
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return TRUE;
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}
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static gboolean
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gst_sub_parse_src_event (GstPad * pad, GstEvent * event)
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{
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@ -183,14 +172,55 @@ gst_sub_parse_src_event (GstPad * pad, GstEvent * event)
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_SEEK:
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ret = gst_sub_parse_do_seek (self, event);
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{
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GstFormat format;
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GstSeekType start_type, stop_type;
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gint64 start, stop;
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gdouble rate;
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gboolean update;
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gst_event_parse_seek (event, &rate, &format, &self->segment_flags,
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&start_type, &start, &stop_type, &stop);
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if (format != GST_FORMAT_TIME) {
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GST_WARNING_OBJECT (self, "we only support seeking in TIME format");
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gst_event_unref (event);
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goto beach;
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}
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/* Convert that seek to a seeking in bytes at position 0,
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FIXME: could use an index */
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ret = gst_pad_push_event (self->sinkpad,
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gst_event_new_seek (rate, GST_FORMAT_BYTES, self->segment_flags,
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GST_SEEK_TYPE_SET, 0, GST_SEEK_TYPE_NONE, 0));
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if (ret) {
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/* Apply the seek to our segment */
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gst_segment_set_seek (self->segment, rate, format, self->segment_flags,
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start_type, start, stop_type, stop, &update);
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GST_DEBUG_OBJECT (self, "segment configured from %" GST_TIME_FORMAT
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" to %" GST_TIME_FORMAT ", position %" GST_TIME_FORMAT,
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GST_TIME_ARGS (self->segment->start),
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GST_TIME_ARGS (self->segment->stop),
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GST_TIME_ARGS (self->segment->last_stop));
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self->next_offset = 0;
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self->need_segment = TRUE;
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} else {
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GST_WARNING_OBJECT (self, "seek to 0 bytes failed");
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}
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gst_event_unref (event);
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break;
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}
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default:
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ret = gst_pad_event_default (pad, event);
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break;
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}
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beach:
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gst_object_unref (self);
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return ret;
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@ -267,6 +297,8 @@ parse_mdvdsub (ParserState * state, const gchar * line)
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const gchar *line_split;
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gchar *line_chunk;
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guint start_frame, end_frame;
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gint64 clip_start = 0, clip_stop = 0;
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gboolean in_seg = FALSE;
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/* FIXME: hardcoded for now, but detecting the correct value is
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* not going to be easy, I suspect... */
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@ -288,6 +320,19 @@ parse_mdvdsub (ParserState * state, const gchar * line)
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state->start_time = (start_frame - 1000) / frames_per_sec * GST_SECOND;
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state->duration = (end_frame - start_frame) / frames_per_sec * GST_SECOND;
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/* Check our segment start/stop */
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in_seg = gst_segment_clip (state->segment, GST_FORMAT_TIME,
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state->start_time, state->start_time + state->duration, &clip_start,
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&clip_stop);
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/* No need to parse that text if it's out of segment */
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if (in_seg) {
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state->start_time = clip_start;
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state->duration = clip_stop - clip_start;
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} else {
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return NULL;
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}
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/* skip the {%u}{%u} part */
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line = strchr (line, '}') + 1;
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line = strchr (line, '}') + 1;
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@ -368,6 +413,23 @@ parse_subrip (ParserState * state, const gchar * line)
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}
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return NULL;
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case 2:
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{ /* No need to parse that text if it's out of segment */
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gint64 clip_start = 0, clip_stop = 0;
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gboolean in_seg = FALSE;
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/* Check our segment start/stop */
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in_seg = gst_segment_clip (state->segment, GST_FORMAT_TIME,
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state->start_time, state->start_time + state->duration,
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&clip_start, &clip_stop);
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if (in_seg) {
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state->start_time = clip_start;
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state->duration = clip_stop - clip_start;
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} else {
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state->state = 0;
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return NULL;
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}
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}
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/* looking for subtitle text; empty line ends this
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* subtitle entry */
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if (state->buf->len)
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@ -401,6 +463,23 @@ parse_mpsub (ParserState * state, const gchar * line)
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}
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||||
return NULL;
|
||||
case 1:
|
||||
{ /* No need to parse that text if it's out of segment */
|
||||
gint64 clip_start = 0, clip_stop = 0;
|
||||
gboolean in_seg = FALSE;
|
||||
|
||||
/* Check our segment start/stop */
|
||||
in_seg = gst_segment_clip (state->segment, GST_FORMAT_TIME,
|
||||
state->start_time, state->start_time + state->duration,
|
||||
&clip_start, &clip_stop);
|
||||
|
||||
if (in_seg) {
|
||||
state->start_time = clip_start;
|
||||
state->duration = clip_stop - clip_start;
|
||||
} else {
|
||||
state->state = 0;
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
/* looking for subtitle text; empty line ends this
|
||||
* subtitle entry */
|
||||
if (state->buf->len)
|
||||
|
|
@ -433,6 +512,7 @@ parser_state_init (ParserState * state)
|
|||
state->start_time = 0;
|
||||
state->duration = 0;
|
||||
state->state = 0;
|
||||
state->segment = NULL;
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -566,7 +646,10 @@ handle_buffer (GstSubParse * self, GstBuffer * buf)
|
|||
gst_caps_unref (caps);
|
||||
}
|
||||
|
||||
while ((line = get_next_line (self))) {
|
||||
while ((line = get_next_line (self)) && !self->flushing) {
|
||||
/* Set segment on our parser state machine */
|
||||
self->state.segment = self->segment;
|
||||
/* Now parse the line, out of segment lines will just return NULL */
|
||||
GST_DEBUG ("Parsing line '%s'", line);
|
||||
subtitle = self->parse_line (&self->state, line);
|
||||
g_free (line);
|
||||
|
|
@ -583,6 +666,9 @@ handle_buffer (GstSubParse * self, GstBuffer * buf)
|
|||
GST_BUFFER_TIMESTAMP (buf) = self->state.start_time;
|
||||
GST_BUFFER_DURATION (buf) = self->state.duration;
|
||||
|
||||
gst_segment_set_last_stop (self->segment, GST_FORMAT_TIME,
|
||||
self->state.start_time);
|
||||
|
||||
GST_DEBUG ("Sending text '%s', %" GST_TIME_FORMAT " + %"
|
||||
GST_TIME_FORMAT, subtitle, GST_TIME_ARGS (self->state.start_time),
|
||||
GST_TIME_ARGS (self->state.duration));
|
||||
|
|
@ -608,10 +694,21 @@ gst_sub_parse_chain (GstPad * sinkpad, GstBuffer * buf)
|
|||
GstSubParse *self;
|
||||
|
||||
GST_DEBUG ("gst_sub_parse_chain");
|
||||
self = GST_SUBPARSE (GST_OBJECT_PARENT (sinkpad));
|
||||
self = GST_SUBPARSE (gst_pad_get_parent (sinkpad));
|
||||
|
||||
/* Push newsegment if needed */
|
||||
if (self->need_segment) {
|
||||
gst_pad_push_event (self->srcpad, gst_event_new_new_segment (FALSE,
|
||||
self->segment->rate, self->segment->format,
|
||||
self->segment->last_stop, self->segment->stop,
|
||||
self->segment->time));
|
||||
self->need_segment = FALSE;
|
||||
}
|
||||
|
||||
ret = handle_buffer (self, buf);
|
||||
|
||||
gst_object_unref (self);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
|
@ -640,10 +737,40 @@ gst_sub_parse_sink_event (GstPad * pad, GstEvent * event)
|
|||
ret = gst_pad_event_default (pad, event);
|
||||
break;
|
||||
}
|
||||
case GST_EVENT_NEWSEGMENT:{
|
||||
case GST_EVENT_NEWSEGMENT:
|
||||
{
|
||||
GstFormat format;
|
||||
gdouble rate;
|
||||
gint64 start, stop, time;
|
||||
gboolean update;
|
||||
|
||||
GST_DEBUG_OBJECT (self, "received new segment");
|
||||
|
||||
gst_event_parse_new_segment (event, &update, &rate, &format, &start,
|
||||
&stop, &time);
|
||||
|
||||
/* now copy over the values */
|
||||
gst_segment_set_newsegment (self->segment, update, rate, format,
|
||||
start, stop, time);
|
||||
|
||||
ret = TRUE;
|
||||
gst_event_unref (event);
|
||||
break;
|
||||
}
|
||||
case GST_EVENT_FLUSH_START:
|
||||
{
|
||||
self->flushing = TRUE;
|
||||
|
||||
ret = gst_pad_event_default (pad, event);
|
||||
break;
|
||||
}
|
||||
case GST_EVENT_FLUSH_STOP:
|
||||
{
|
||||
self->flushing = FALSE;
|
||||
|
||||
ret = gst_pad_event_default (pad, event);
|
||||
break;
|
||||
}
|
||||
default:
|
||||
ret = gst_pad_event_default (pad, event);
|
||||
break;
|
||||
|
|
|
|||
|
|
@ -53,6 +53,7 @@ typedef struct {
|
|||
GString *buf;
|
||||
guint64 start_time;
|
||||
guint64 duration;
|
||||
GstSegment *segment;
|
||||
} ParserState;
|
||||
|
||||
typedef gchar* (*Parser) (ParserState *state, const gchar *line);
|
||||
|
|
@ -73,6 +74,13 @@ struct _GstSubParse {
|
|||
/* seek */
|
||||
guint64 offset;
|
||||
guint64 next_offset;
|
||||
|
||||
/* Segment */
|
||||
GstSegment *segment;
|
||||
GstSeekFlags segment_flags;
|
||||
gboolean need_segment;
|
||||
|
||||
gboolean flushing;
|
||||
};
|
||||
|
||||
struct _GstSubParseClass {
|
||||
|
|
|
|||
Loading…
Reference in a new issue