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6cada5b064
WebVTT in ISO MP4 is specified in ISO 14496-30, and needed for DASH support. It's stored in an mp4 specific format. To handle it compatibly, the wvtt boxes are converted back into WebVTT text and pushed as application/x-subtitle-vtt Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1182>
33 lines
1.1 KiB
C
33 lines
1.1 KiB
C
/* GStreamer
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* Copyright (C) <2021> Jan Schmidt <jan@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <gst/gst.h>
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#include "qtdemux.h"
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#ifndef __QTDEMUX_WEBVTT_H__
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#define __QTDEMUX_WEBVTT_H__
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G_BEGIN_DECLS
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gboolean qtdemux_webvtt_is_empty(GstQTDemux *demux, guint8 *data, gsize size);
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GstBuffer *qtdemux_webvtt_decode (GstQTDemux * qtdemux, GstClockTime start, GstClockTime duration, guint8 *data, gsize size);
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G_END_DECLS
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#endif
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