mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-27 02:30:35 +00:00
141 lines
4.2 KiB
C
141 lines
4.2 KiB
C
/* OGG muxer plugin for GStreamer
|
|
* Copyright (C) 2004 Wim Taymans <wim@fluendo.com>
|
|
* Copyright (C) 2006 Thomas Vander Stichele <thomas at apestaart dot org>
|
|
*
|
|
* 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., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef __GST_OGG_MUX_H__
|
|
#define __GST_OGGEMUX_H__
|
|
|
|
#include <ogg/ogg.h>
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/base/gstcollectpads.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_OGG_MUX (gst_ogg_mux_get_type())
|
|
#define GST_OGG_MUX(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OGG_MUX, GstOggMux))
|
|
#define GST_OGG_MUX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OGG_MUX, GstOggMux))
|
|
#define GST_IS_OGG_MUX(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OGG_MUX))
|
|
#define GST_IS_OGG_MUX_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OGG_MUX))
|
|
|
|
typedef struct _GstOggMux GstOggMux;
|
|
typedef struct _GstOggMuxClass GstOggMuxClass;
|
|
|
|
typedef enum
|
|
{
|
|
GST_OGG_PAD_STATE_CONTROL = 0,
|
|
GST_OGG_PAD_STATE_DATA = 1
|
|
}
|
|
GstOggPadState;
|
|
|
|
/* all information needed for one ogg stream */
|
|
typedef struct
|
|
{
|
|
GstCollectData collect; /* we extend the CollectData */
|
|
|
|
/* These two buffers make a very simple queue - they enter as 'next_buffer'
|
|
* and (usually) leave as 'buffer', except at EOS, when buffer will be NULL */
|
|
GstBuffer *buffer; /* the first waiting buffer for the pad */
|
|
GstBuffer *next_buffer; /* the second waiting buffer for the pad */
|
|
|
|
gint serial;
|
|
ogg_stream_state stream;
|
|
gint64 packetno; /* number of next packet */
|
|
gint64 pageno; /* number of next page */
|
|
guint64 duration; /* duration of current page */
|
|
gboolean eos;
|
|
gint64 offset;
|
|
GstClockTime timestamp; /* timestamp of the first packet on the next
|
|
* page to be dequeued */
|
|
GstClockTime timestamp_end; /* end timestamp of last complete packet on
|
|
the next page to be dequeued */
|
|
GstClockTime gp_time; /* time corresponding to the gp value of the
|
|
last complete packet on the next page to be
|
|
dequeued */
|
|
|
|
GstOggPadState state; /* state of the pad */
|
|
|
|
GList *headers;
|
|
|
|
GQueue *pagebuffers; /* List of pages in buffers ready for pushing */
|
|
|
|
gboolean new_page; /* starting a new page */
|
|
gboolean first_delta; /* was the first packet in the page a delta */
|
|
gboolean prev_delta; /* was the previous buffer a delta frame */
|
|
|
|
GstPadEventFunction collect_event;
|
|
|
|
gboolean always_flush_page;
|
|
}
|
|
GstOggPadData;
|
|
|
|
/**
|
|
* GstOggMux:
|
|
*
|
|
* The ogg muxer object structure.
|
|
*/
|
|
struct _GstOggMux
|
|
{
|
|
GstElement element;
|
|
|
|
/* source pad */
|
|
GstPad *srcpad;
|
|
|
|
/* sinkpads */
|
|
GstCollectPads *collect;
|
|
|
|
/* number of pads which have not received EOS */
|
|
gint active_pads;
|
|
|
|
/* the pad we are currently using to fill a page */
|
|
GstOggPadData *pulling;
|
|
|
|
/* next timestamp for the page */
|
|
GstClockTime next_ts;
|
|
|
|
/* Last timestamp actually output on src pad */
|
|
GstClockTime last_ts;
|
|
|
|
/* offset in stream */
|
|
guint64 offset;
|
|
|
|
/* need_headers */
|
|
gboolean need_headers;
|
|
|
|
guint64 max_delay;
|
|
guint64 max_page_delay;
|
|
|
|
GstOggPadData *delta_pad; /* when a delta frame is detected on a stream, we mark
|
|
pages as delta frames up to the page that has the
|
|
keyframe */
|
|
|
|
};
|
|
|
|
struct _GstOggMuxClass
|
|
{
|
|
GstElementClass parent_class;
|
|
};
|
|
|
|
GType gst_ogg_mux_get_type (void);
|
|
|
|
gboolean gst_ogg_mux_plugin_init (GstPlugin * plugin);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_OGG_MUX_H__ */
|