gstreamer/subprojects/gst-plugins-good/gst/flv/gstflvdemux.h
2022-06-07 10:52:46 +00:00

175 lines
4 KiB
C

/* GStreamer
* Copyright (C) <2007> Julien Moutte <julien@moutte.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __FLV_DEMUX_H__
#define __FLV_DEMUX_H__
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
#include <gst/base/gstflowcombiner.h>
#include "gstindex.h"
G_BEGIN_DECLS
#define GST_TYPE_FLV_DEMUX \
(gst_flv_demux_get_type())
#define GST_FLV_DEMUX(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_FLV_DEMUX,GstFlvDemux))
#define GST_FLV_DEMUX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_FLV_DEMUX,GstFlvDemuxClass))
#define GST_IS_FLV_DEMUX(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FLV_DEMUX))
#define GST_IS_FLV_DEMUX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FLV_DEMUX))
typedef struct _GstFlvDemux GstFlvDemux;
typedef struct _GstFlvDemuxClass GstFlvDemuxClass;
typedef enum
{
FLV_STATE_HEADER,
FLV_STATE_TAG_TYPE,
FLV_STATE_TAG_VIDEO,
FLV_STATE_TAG_AUDIO,
FLV_STATE_TAG_SCRIPT,
FLV_STATE_SEEK,
FLV_STATE_DONE,
FLV_STATE_SKIP,
FLV_STATE_NONE
} GstFlvDemuxState;
struct _GstFlvDemux
{
GstElement element;
GstPad *sinkpad;
GstPad *audio_pad;
GstPad *video_pad;
gboolean have_group_id;
guint group_id;
gchar *upstream_stream_id;
GstStream *audio_stream;
GstStream *video_stream;
gboolean streams_aware;
/* <private> */
GstIndex *index;
gint index_id;
gboolean own_index;
GArray * times;
GArray * filepositions;
GstAdapter *adapter;
GstFlowCombiner *flowcombiner;
GstSegment segment;
GstEvent *new_seg_event;
GstTagList *taglist;
GstTagList *audio_tags;
GstTagList *video_tags;
GstFlvDemuxState state;
guint64 offset;
guint64 cur_tag_offset;
GstClockTime duration;
guint64 tag_size;
guint64 tag_data_size;
/* Audio infos */
guint16 rate;
guint16 channels;
guint16 width;
guint16 audio_codec_tag;
guint64 audio_offset;
gboolean audio_need_discont;
gboolean audio_need_segment;
GstBuffer * audio_codec_data;
GstClockTime audio_start;
guint32 last_audio_pts;
GstClockTime audio_time_offset;
guint32 audio_bitrate;
/* Video infos */
guint32 w;
guint32 h;
guint32 par_x;
guint32 par_y;
guint16 video_codec_tag;
guint64 video_offset;
gboolean video_need_discont;
gboolean video_need_segment;
gboolean got_par;
GstBuffer * video_codec_data;
GstClockTime video_start;
guint32 last_video_dts;
GstClockTime video_time_offset;
gdouble framerate;
guint32 video_bitrate;
gboolean random_access;
gboolean need_header;
gboolean has_audio;
gboolean has_video;
gboolean strict;
gboolean flushing;
gboolean no_more_pads;
#ifndef GST_DISABLE_DEBUG
gboolean no_audio_warned;
gboolean no_video_warned;
#endif
gboolean seeking;
gboolean building_index;
gboolean indexed; /* TRUE if index is completely built */
gboolean upstream_seekable; /* TRUE if upstream is seekable */
gint64 file_size;
GstEvent *seek_event;
gint64 seek_time;
guint32 segment_seqnum;
GstClockTime index_max_time;
gint64 index_max_pos;
/* reverse playback */
GstClockTime video_first_ts;
GstClockTime audio_first_ts;
gboolean video_done;
gboolean audio_done;
gint64 from_offset;
gint64 to_offset;
};
struct _GstFlvDemuxClass
{
GstElementClass parent_class;
};
GType gst_flv_demux_get_type (void);
G_END_DECLS
#endif /* __FLV_DEMUX_H__ */