mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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d66a3db6b8
That is, parse each moof in one pass (considering all contained streams' metadata), and do so incrementally as needed for playback rather than an initial complete scan of all moof (though all moov sample metadata is fully parsed at startup).
121 lines
3 KiB
C
121 lines
3 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_QTDEMUX_H__
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#define __GST_QTDEMUX_H__
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#include <gst/gst.h>
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#include <gst/base/gstadapter.h>
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G_BEGIN_DECLS
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GST_DEBUG_CATEGORY_EXTERN (qtdemux_debug);
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#define GST_CAT_DEFAULT qtdemux_debug
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#define GST_TYPE_QTDEMUX \
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(gst_qtdemux_get_type())
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#define GST_QTDEMUX(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_QTDEMUX,GstQTDemux))
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#define GST_QTDEMUX_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_QTDEMUX,GstQTDemuxClass))
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#define GST_IS_QTDEMUX(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_QTDEMUX))
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#define GST_IS_QTDEMUX_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_QTDEMUX))
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#define GST_QTDEMUX_CAST(obj) ((GstQTDemux *)(obj))
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/* qtdemux produces these for atoms it cannot parse */
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#define GST_QT_DEMUX_PRIVATE_TAG "private-qt-tag"
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#define GST_QT_DEMUX_CLASSIFICATION_TAG "classification"
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#define GST_QTDEMUX_MAX_STREAMS 8
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typedef struct _GstQTDemux GstQTDemux;
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typedef struct _GstQTDemuxClass GstQTDemuxClass;
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typedef struct _QtDemuxStream QtDemuxStream;
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struct _GstQTDemux {
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GstElement element;
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/* pads */
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GstPad *sinkpad;
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QtDemuxStream *streams[GST_QTDEMUX_MAX_STREAMS];
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gint n_streams;
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gint n_video_streams;
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gint n_audio_streams;
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gint n_sub_streams;
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guint major_brand;
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GstBuffer *comp_brands;
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GNode *moov_node;
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GNode *moov_node_compressed;
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guint32 timescale;
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guint64 duration;
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gboolean fragmented;
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/* offset of the mfra atom */
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guint64 mfra_offset;
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guint64 moof_offset;
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gint state;
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gboolean pullbased;
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gboolean posted_redirect;
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/* push based variables */
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guint neededbytes;
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guint todrop;
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GstAdapter *adapter;
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GstBuffer *mdatbuffer;
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/* offset of the media data (i.e.: Size of header) */
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guint64 offset;
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/* offset of the mdat atom */
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guint64 mdatoffset;
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guint64 first_mdat;
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gboolean got_moov;
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GstTagList *tag_list;
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/* configured playback region */
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GstSegment segment;
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gboolean segment_running;
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GstEvent *pending_newsegment;
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/* gst index support */
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GstIndex *element_index;
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gint index_id;
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gint64 requested_seek_time;
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guint64 seek_offset;
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};
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struct _GstQTDemuxClass {
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GstElementClass parent_class;
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};
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GType gst_qtdemux_get_type (void);
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G_END_DECLS
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#endif /* __GST_QTDEMUX_H__ */
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