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playbin2: allow dynamic swtiching of subtitles

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When we have the textpad configured, enable and disable the subtitles by setting
the silent flag on the overlay element instead of trying to remove elements.
See #576187
This commit is contained in:
Wim Taymans 2009-03-23 17:37:48 +01:00
parent 20d0351b76
commit 7628319688
1 changed files with 18 additions and 8 deletions
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20
gst/playback/gstplaysink.c
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@ -1434,7 +1434,7 @@ gst_play_sink_reconfigure (GstPlaySink * playsink)
add_chain (GST_PLAY_CHAIN (playsink->videochain), TRUE); add_chain (GST_PLAY_CHAIN (playsink->videochain), TRUE);
activate_chain (GST_PLAY_CHAIN (playsink->videochain), TRUE); activate_chain (GST_PLAY_CHAIN (playsink->videochain), TRUE);
/* if we are not part of vis or subtitles, set the ghostpad target */ /* if we are not part of vis or subtitles, set the ghostpad target */
if (!need_vis && !need_text) { if (!need_vis && !need_text && playsink->text_pad == NULL) {
GST_DEBUG_OBJECT (playsink, "ghosting video sinkpad"); GST_DEBUG_OBJECT (playsink, "ghosting video sinkpad");
gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (playsink->video_pad), gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (playsink->video_pad),
playsink->videochain->sinkpad); playsink->videochain->sinkpad);
@ -1458,8 +1458,8 @@ gst_play_sink_reconfigure (GstPlaySink * playsink)
playsink->audio_tee_vissrc = NULL; playsink->audio_tee_vissrc = NULL;
} }
srcpad = srcpad =
gst_element_get_static_pad (GST_ELEMENT_CAST (playsink-> gst_element_get_static_pad (GST_ELEMENT_CAST (playsink->vischain->
vischain->chain.bin), "src"); chain.bin), "src");
gst_pad_unlink (srcpad, playsink->videochain->sinkpad); gst_pad_unlink (srcpad, playsink->videochain->sinkpad);
} }
add_chain (GST_PLAY_CHAIN (playsink->videochain), FALSE); add_chain (GST_PLAY_CHAIN (playsink->videochain), FALSE);
@ -1484,14 +1484,24 @@ gst_play_sink_reconfigure (GstPlaySink * playsink)
playsink->textchain->videosinkpad); playsink->textchain->videosinkpad);
gst_pad_link (playsink->textchain->srcpad, playsink->videochain->sinkpad); gst_pad_link (playsink->textchain->srcpad, playsink->videochain->sinkpad);
activate_chain (GST_PLAY_CHAIN (playsink->textchain), TRUE); activate_chain (GST_PLAY_CHAIN (playsink->textchain), TRUE);
if (playsink->textchain->overlay)
g_object_set (playsink->textchain->overlay, "silent", FALSE, NULL);
} }
} else { } else {
GST_DEBUG_OBJECT (playsink, "no text needed"); GST_DEBUG_OBJECT (playsink, "no text needed");
/* we have no subtitles/text or we are requested to not show them */ /* we have no subtitles/text or we are requested to not show them */
if (playsink->textchain) { if (playsink->textchain) {
if (playsink->text_pad == NULL) {
/* no text pad, remove the chain entirely */
GST_DEBUG_OBJECT (playsink, "removing text chain"); GST_DEBUG_OBJECT (playsink, "removing text chain");
add_chain (GST_PLAY_CHAIN (playsink->textchain), FALSE); add_chain (GST_PLAY_CHAIN (playsink->textchain), FALSE);
activate_chain (GST_PLAY_CHAIN (playsink->textchain), FALSE); activate_chain (GST_PLAY_CHAIN (playsink->textchain), FALSE);
} else {
/* we have a chain and a textpad, turn the subtitles off */
GST_DEBUG_OBJECT (playsink, "turning off the text");
if (playsink->textchain->overlay)
g_object_set (playsink->textchain->overlay, "silent", TRUE, NULL);
}
} }
if (!need_video && playsink->video_pad) if (!need_video && playsink->video_pad)
gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (playsink->video_pad), NULL); gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (playsink->video_pad), NULL);
@ -1581,8 +1591,8 @@ gst_play_sink_reconfigure (GstPlaySink * playsink)
if (playsink->vischain) { if (playsink->vischain) {
GST_DEBUG_OBJECT (playsink, "setting up vis chain"); GST_DEBUG_OBJECT (playsink, "setting up vis chain");
srcpad = srcpad =
gst_element_get_static_pad (GST_ELEMENT_CAST (playsink-> gst_element_get_static_pad (GST_ELEMENT_CAST (playsink->vischain->
vischain->chain.bin), "src"); chain.bin), "src");
add_chain (GST_PLAY_CHAIN (playsink->vischain), TRUE); add_chain (GST_PLAY_CHAIN (playsink->vischain), TRUE);
activate_chain (GST_PLAY_CHAIN (playsink->vischain), TRUE); activate_chain (GST_PLAY_CHAIN (playsink->vischain), TRUE);
if (playsink->audio_tee_vissrc == NULL) { if (playsink->audio_tee_vissrc == NULL) {