mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-22 00:06:36 +00:00
6575389908
This was used in queue2 when handling in coming serialized queries, but downloadbuffer just refuses serialized queries.
126 lines
3.4 KiB
C
126 lines
3.4 KiB
C
/* GStreamer
|
|
* Copyright (C) 2014 Wim Taymans <wim.taymans@gmail.com>
|
|
*
|
|
* gstdownloadbuffer.h:
|
|
*
|
|
* 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 __GST_DOWNLOAD_BUFFER_H__
|
|
#define __GST_DOWNLOAD_BUFFER_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <stdio.h>
|
|
|
|
#include "gstsparsefile.h"
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_DOWNLOAD_BUFFER \
|
|
(gst_download_buffer_get_type())
|
|
#define GST_DOWNLOAD_BUFFER(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DOWNLOAD_BUFFER,GstDownloadBuffer))
|
|
#define GST_DOWNLOAD_BUFFER_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DOWNLOAD_BUFFER,GstDownloadBufferClass))
|
|
#define GST_IS_DOWNLOAD_BUFFER(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DOWNLOAD_BUFFER))
|
|
#define GST_IS_DOWNLOAD_BUFFER_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DOWNLOAD_BUFFER))
|
|
#define GST_DOWNLOAD_BUFFER_CAST(obj) \
|
|
((GstDownloadBuffer *)(obj))
|
|
|
|
typedef struct _GstDownloadBuffer GstDownloadBuffer;
|
|
typedef struct _GstDownloadBufferClass GstDownloadBufferClass;
|
|
typedef struct _GstDownloadBufferSize GstDownloadBufferSize;
|
|
|
|
/* used to keep track of sizes (current and max) */
|
|
struct _GstDownloadBufferSize
|
|
{
|
|
guint bytes;
|
|
guint64 time;
|
|
};
|
|
|
|
struct _GstDownloadBuffer
|
|
{
|
|
GstElement element;
|
|
|
|
/*< private > */
|
|
GstPad *sinkpad;
|
|
GstPad *srcpad;
|
|
|
|
/* upstream size in bytes (if downstream is operating in pull mode) */
|
|
guint64 upstream_size;
|
|
|
|
/* flowreturn when srcpad is paused */
|
|
GstFlowReturn srcresult;
|
|
GstFlowReturn sinkresult;
|
|
gboolean unexpected;
|
|
|
|
/* the queue of data we're keeping our hands on */
|
|
GstSparseFile *file;
|
|
guint64 write_pos;
|
|
guint64 read_pos;
|
|
gboolean filling;
|
|
|
|
GstDownloadBufferSize cur_level;
|
|
GstDownloadBufferSize max_level;
|
|
gint low_percent; /* low/high watermarks for buffering */
|
|
gint high_percent;
|
|
|
|
/* current buffering state */
|
|
gboolean is_buffering;
|
|
gint buffering_percent;
|
|
|
|
/* for measuring input/output rates */
|
|
GTimer *in_timer;
|
|
gboolean in_timer_started;
|
|
gdouble last_in_elapsed;
|
|
guint64 bytes_in;
|
|
gdouble byte_in_rate;
|
|
gdouble byte_in_period;
|
|
|
|
GTimer *out_timer;
|
|
gboolean out_timer_started;
|
|
gdouble last_out_elapsed;
|
|
guint64 bytes_out;
|
|
gdouble byte_out_rate;
|
|
|
|
GMutex qlock; /* lock for queue (vs object lock) */
|
|
gboolean waiting_add;
|
|
GCond item_add; /* signals buffers now available for reading */
|
|
guint64 waiting_offset;
|
|
|
|
/* temp location stuff */
|
|
gchar *temp_template;
|
|
gboolean temp_location_set;
|
|
gchar *temp_location;
|
|
gboolean temp_remove;
|
|
gint temp_fd;
|
|
gboolean seeking;
|
|
|
|
GstEvent *stream_start_event;
|
|
GstEvent *segment_event;
|
|
};
|
|
|
|
struct _GstDownloadBufferClass
|
|
{
|
|
GstElementClass parent_class;
|
|
};
|
|
|
|
G_GNUC_INTERNAL GType gst_download_buffer_get_type (void);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_DOWNLOAD_BUFFER_H__ */
|