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pinossocketsink: add new socket sink
Add a new sink that replaces the pinospay ! multisocketsink element pair. This would allow us to track the fds per client more closely.
This commit is contained in:
Wim Taymans
parent
d5e333ac4b
commit
c8f34750e2
9 changed files with 2588 additions and 32 deletions
301
pinos/gst/gstburstcache.h
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301
pinos/gst/gstburstcache.h
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/* GStreamer
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* Copyright (C) <2012> Wim Taymans <wim.taymans@gmail.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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#ifndef __GST_BURST_CACHE_H__
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#define __GST_BURST_CACHE_H__
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#include <gst/gst.h>
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G_BEGIN_DECLS
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#define GST_TYPE_BURST_CACHE \
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(gst_burst_cache_get_type())
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#define GST_BURST_CACHE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BURST_CACHE,GstBurstCache))
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#define GST_BURST_CACHE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BURST_CACHE,GstBurstCacheClass))
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#define GST_IS_BURST_CACHE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BURST_CACHE))
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#define GST_IS_BURST_CACHE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BURST_CACHE))
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#define GST_BURST_CACHE_GET_CLASS(klass) \
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(G_TYPE_INSTANCE_GET_CLASS ((klass), GST_TYPE_BURST_CACHE, GstBurstCacheClass))
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typedef struct _GstBurstCache GstBurstCache;
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typedef struct _GstBurstCacheClass GstBurstCacheClass;
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typedef struct _GstBurstCacheReader GstBurstCacheReader;
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/**
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* GstBurstCacheRecover:
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* @GST_BURST_CACHE_RECOVER_NONE : no recovering is done
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* @GST_BURST_CACHE_RECOVER_RESYNC_LATEST : reader is moved to last buffer
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* @GST_BURST_CACHE_RECOVER_RESYNC_SOFT_LIMIT: reader is moved to the soft limit
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* @GST_BURST_CACHE_RECOVER_RESYNC_KEYFRAME : reader is moved to latest keyframe
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*
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* Possible values for the recovery procedure to use when a reader consumes
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* data too slowly and has a backlog of more that soft-limit buffers.
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*/
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typedef enum
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{
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GST_BURST_CACHE_RECOVER_NONE,
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GST_BURST_CACHE_RECOVER_RESYNC_LATEST,
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GST_BURST_CACHE_RECOVER_RESYNC_SOFT_LIMIT,
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GST_BURST_CACHE_RECOVER_RESYNC_KEYFRAME
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} GstBurstCacheRecover;
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/**
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* GstBurstCacheStart:
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* @GST_BURST_CACHE_START_LATEST : reader receives most recent buffer
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* @GST_BURST_CACHE_START_NEXT_KEYFRAME : reader receives next keyframe
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* @GST_BURST_CACHE_START_LATEST_KEYFRAME : reader receives latest keyframe (burst)
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* @GST_BURST_CACHE_START_BURST : reader receives specific amount of data
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* @GST_BURST_CACHE_START_BURST_KEYFRAME : reader receives specific amount of data
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* starting from latest keyframe
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* @GST_BURST_CACHE_START_BURST_WITH_KEYFRAME : reader receives specific amount of data from
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* a keyframe, or if there is not enough data after
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* the keyframe, starting before the keyframe
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*
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* This enum defines the selection of the first buffer that is sent
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* to a new reader.
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*/
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typedef enum
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{
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GST_BURST_CACHE_START_LATEST,
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GST_BURST_CACHE_START_NEXT_KEYFRAME,
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GST_BURST_CACHE_START_LATEST_KEYFRAME,
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GST_BURST_CACHE_START_BURST,
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GST_BURST_CACHE_START_BURST_KEYFRAME,
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GST_BURST_CACHE_START_BURST_WITH_KEYFRAME
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} GstBurstCacheStart;
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/**
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* GstBurstCacheError:
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* @GST_BURST_CACHE_ERROR_NONE : No error
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* @GST_BURST_CACHE_ERROR_SLOW : reader is too slow
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* @GST_BURST_CACHE_ERROR_ERROR : reader is in error
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* @GST_BURST_CACHE_ERROR_DUPLICATE: same reader added twice
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*
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* Error codes used in the reason GError.
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*/
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typedef enum
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{
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GST_BURST_CACHE_ERROR_NONE = 0,
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GST_BURST_CACHE_ERROR_SLOW = 1,
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GST_BURST_CACHE_ERROR_ERROR = 2,
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GST_BURST_CACHE_ERROR_DUPLICATE = 3,
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} GstBurstCacheError;
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/**
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* GstBurstCacheResult:
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* @GST_BURST_CACHE_RESULT_ERROR : An error occured
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* @GST_BURST_CACHE_RESULT_OK : No error
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* @GST_BURST_CACHE_RESULT_WAIT : Wait for more buffers
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* @GST_BURST_CACHE_RESULT_EOS : No more buffers
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*
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* Error codes used in the reason GError.
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*/
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typedef enum
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{
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GST_BURST_CACHE_RESULT_ERROR = 0,
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GST_BURST_CACHE_RESULT_OK = 1,
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GST_BURST_CACHE_RESULT_WAIT = 2,
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GST_BURST_CACHE_RESULT_EOS = 3,
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} GstBurstCacheResult;
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/**
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* GstBurstCacheReaderCallback:
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* @cache: a #GstBurstCache
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* @reader: a #GstBurstCacheReader
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* @user_data: user data given when creating @reader
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*
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* Called when @reader in @cache has data. You can get the new data with
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* gst_burst_cache_get_buffer() from this callback or any other thread.
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*/
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typedef void (*GstBurstCacheReaderCallback) (GstBurstCache *cache,
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GstBurstCacheReader *reader,
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gpointer user_data);
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/**
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* GstBurstCacheReader:
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* @object: parent miniobject
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* @bufpos: position of this reader in the global queue
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* @draincount: the remaining number of buffers to drain or -1 if the
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* reader is not draining.
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* @new_reader: this is a new reader
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* @discont: is the next buffer was discont
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* @reason: the reason why the reader is being removed
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*
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* structure for a reader
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*/
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struct _GstBurstCacheReader {
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GHook hook;
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gint bufpos;
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gint draincount;
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GstBurstCacheReaderCallback callback;
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gpointer user_data;
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GDestroyNotify notify;
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gboolean new_reader;
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gboolean discont;
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GError *reason;
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/* method to sync reader when connecting */
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GstBurstCacheStart start_method;
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GstFormat min_format;
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guint64 min_value;
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GstFormat max_format;
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guint64 max_value;
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/* stats */
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guint64 bytes_sent;
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guint64 dropped_buffers;
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guint64 avg_queue_size;
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guint64 first_buffer_ts;
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guint64 last_buffer_ts;
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guint64 add_time;
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guint64 remove_time;
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guint64 last_activity_time;
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guint64 timeout;
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gchar debug[30]; /* a debug string used in debug calls to
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identify the reader */
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};
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/**
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* GstBurstCache:
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* @parent: parent GObject
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* @lock: lock to protect @readers
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* @bufqueue: global queue of buffers
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* @readers: list of readers we are serving
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* @readers_cookie: Cookie to detect changes to @readers
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* @limit_format: the format of @limit_max and @@limit_soft_max
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* @limit_max: max units to queue for a reader
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* @limit_soft_max: max units a reader can lag before recovery starts
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* @recover: how to recover a lagging reader
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* @bytes_min: min number of bytes to queue
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* @time_min: min time to queue
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* @buffers_min: min number of buffers to queue
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* @bytes_to_serve: how much bytes we must serve
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* @bytes_served: how much bytes have we served
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* @bytes_queued: number of queued bytes
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* @time_queued: amount of queued time
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* @buffers_queued: number of queued buffers
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*/
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struct _GstBurstCache {
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GObject parent;
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/*< private >*/
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GRecMutex lock;
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GPtrArray *bufqueue;
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/* the readers */
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GHookList readers;
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guint readers_cookie;
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/* these values are used to check if a reader is reading fast
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* enough and to control recovery */
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GstFormat limit_format;
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gint64 limit_max;
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gint64 limit_soft_max;
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GstBurstCacheRecover recover;
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/* these values are used to control the amount of data
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* kept in the queues. It allows readers to perform a burst
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* on connect. */
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gint bytes_min;
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gint64 time_min;
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gint buffers_min;
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/* stats */
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gint bytes_queued;
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gint64 time_queued;
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gint buffers_queued;
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};
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/**
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* GstBurstCacheClass:
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* @parent_class: parent GObjectClass
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* @reader_ready: called when a reader has a new buffer available
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*
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* The GstBurstCache class structure.
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*/
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struct _GstBurstCacheClass {
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GObjectClass parent_class;
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};
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GType gst_burst_cache_get_type (void);
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GType gst_burst_cache_reader_get_type (void);
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GstBurstCache * gst_burst_cache_new (guint reader_size);
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void gst_burst_cache_set_min_amount (GstBurstCache *cache,
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gint bytes_min,
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gint64 time_min,
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gint buffers_min);
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void gst_burst_cache_get_min_amount (GstBurstCache *cache,
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gint *bytes_min,
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gint64 *time_min,
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gint *buffers_min);
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void gst_burst_cache_set_limits (GstBurstCache *cache,
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GstFormat format,
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gint64 max,
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gint64 soft_max,
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GstBurstCacheRecover recover);
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void gst_burst_cache_get_limits (GstBurstCache *cache,
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GstFormat *format,
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gint64 *max,
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gint64 *soft_max,
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GstBurstCacheRecover *recover);
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void gst_burst_cache_queue_buffer (GstBurstCache *cache,
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GstBuffer *buffer);
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GstBurstCacheReader * gst_burst_cache_reader_new (GstBurstCache *cache,
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GstBurstCacheReaderCallback callback,
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gpointer user_data,
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GDestroyNotify notify);
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gboolean gst_burst_cache_reader_set_burst (GstBurstCacheReader *reader,
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GstBurstCacheStart start_method,
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GstFormat min_format, guint64 min_value,
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GstFormat max_format, guint64 max_value);
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void gst_burst_cache_reader_destroy (GstBurstCacheReader *reader);
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gboolean gst_burst_cache_add_reader (GstBurstCache *cache,
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GstBurstCacheReader *reader);
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gboolean gst_burst_cache_remove_reader (GstBurstCache *cache,
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GstBurstCacheReader *reader,
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gboolean drain);
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gboolean gst_burst_cache_error_reader (GstBurstCache *cache,
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GstBurstCacheReader *reader,
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GError *error);
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void gst_burst_cache_clear_readers (GstBurstCache * cache);
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GstBurstCacheResult gst_burst_cache_get_buffer (GstBurstCache *cache,
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GstBurstCacheReader *reader,
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GstBuffer **buffer);
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G_END_DECLS
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#endif /* __GST_BURST_CACHE_H__ */
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