mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-23 18:21:04 +00:00
base: Add collectpads2
This handles muxing of sparse/subtitle streams and has lots of cleanup. Still missing is special support for live streams but this can be added later without breaking API/ABI. Based on the version from the videomixer plugin. https://bugzilla.gnome.org/show_bug.cgi?id=415754
This commit is contained in:
Sebastian Dröge
parent
9a5109b86e
commit
6f231f89d6
3 changed files with 2339 additions and 0 deletions
|
|
@ -12,6 +12,7 @@ libgstbase_@GST_MAJORMINOR@_la_SOURCES = \
|
|||
gstbytereader.c \
|
||||
gstbytewriter.c \
|
||||
gstcollectpads.c \
|
||||
gstcollectpads2.c \
|
||||
gstpushsrc.c \
|
||||
gsttypefindhelper.c \
|
||||
gstdataqueue.c
|
||||
|
|
@ -33,6 +34,7 @@ libgstbase_@GST_MAJORMINOR@include_HEADERS = \
|
|||
gstbytereader.h \
|
||||
gstbytewriter.h \
|
||||
gstcollectpads.h \
|
||||
gstcollectpads2.h \
|
||||
gstpushsrc.h \
|
||||
gsttypefindhelper.h \
|
||||
gstdataqueue.h
|
||||
|
|
|
|||
1975
libs/gst/base/gstcollectpads2.c
Normal file
1975
libs/gst/base/gstcollectpads2.c
Normal file
File diff suppressed because it is too large
Load diff
362
libs/gst/base/gstcollectpads2.h
Normal file
362
libs/gst/base/gstcollectpads2.h
Normal file
|
|
@ -0,0 +1,362 @@
|
|||
/* GStreamer
|
||||
* Copyright (C) 2005 Wim Taymans <wim@fluendo.com>
|
||||
* Copyright (C) 2008 Mark Nauwelaerts <mnauw@users.sourceforge.net>
|
||||
*
|
||||
* gstcollectpads2.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., 59 Temple Place - Suite 330,
|
||||
* Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
#ifndef __GST_COLLECT_PADS2_H__
|
||||
#define __GST_COLLECT_PADS2_H__
|
||||
|
||||
#include <gst/gst.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
#define GST_TYPE_COLLECT_PADS2 (gst_collect_pads2_get_type())
|
||||
#define GST_COLLECT_PADS2(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_COLLECT_PADS2,GstCollectPads2))
|
||||
#define GST_COLLECT_PADS2_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_COLLECT_PADS2,GstCollectPads2Class))
|
||||
#define GST_COLLECT_PADS2_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj),GST_TYPE_COLLECT_PADS2,GstCollectPads2Class))
|
||||
#define GST_IS_COLLECT_PADS2(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_COLLECT_PADS2))
|
||||
#define GST_IS_COLLECT_PADS2_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_COLLECT_PADS2))
|
||||
|
||||
typedef struct _GstCollectData2 GstCollectData2;
|
||||
typedef struct _GstCollectPads2 GstCollectPads2;
|
||||
typedef struct _GstCollectPads2Class GstCollectPads2Class;
|
||||
|
||||
/**
|
||||
* GstCollectData2DestroyNotify:
|
||||
* @data: the #GstCollectData2 that will be freed
|
||||
*
|
||||
* A function that will be called when the #GstCollectData2 will be freed.
|
||||
* It is passed the pointer to the structure and should free any custom
|
||||
* memory and resources allocated for it.
|
||||
*
|
||||
* Since: 0.10.36
|
||||
*/
|
||||
typedef void (*GstCollectData2DestroyNotify) (GstCollectData2 *data);
|
||||
|
||||
/**
|
||||
* GstCollectPads2StateFlags:
|
||||
* @GST_COLLECT_PADS2_STATE_EOS: Set if collectdata's pad is EOS.
|
||||
* @GST_COLLECT_PADS2_STATE_FLUSHING: Set if collectdata's pad is flushing.
|
||||
* @GST_COLLECT_PADS2_STATE_NEW_SEGMENT: Set if collectdata's pad received a
|
||||
* new_segment event.
|
||||
* @GST_COLLECT_PADS2_STATE_WAITING: Set if collectdata's pad must be waited
|
||||
* for when collecting.
|
||||
* @GST_COLLECT_PADS2_STATE_LOCKED: Set collectdata's pad WAITING state must
|
||||
* not be changed.
|
||||
* #GstCollectPads2StateFlags indicate private state of a collectdata('s pad).
|
||||
*
|
||||
* Since: 0.10.36
|
||||
*/
|
||||
typedef enum {
|
||||
GST_COLLECT_PADS2_STATE_EOS = 1 << 0,
|
||||
GST_COLLECT_PADS2_STATE_FLUSHING = 1 << 1,
|
||||
GST_COLLECT_PADS2_STATE_NEW_SEGMENT = 1 << 2,
|
||||
GST_COLLECT_PADS2_STATE_WAITING = 1 << 3,
|
||||
GST_COLLECT_PADS2_STATE_LOCKED = 1 << 4
|
||||
} GstCollectPads2StateFlags;
|
||||
|
||||
/**
|
||||
* GST_COLLECT_PADS2_STATE:
|
||||
* @data: a #GstCollectData2.
|
||||
*
|
||||
* A flags word containing #GstCollectPads2StateFlags flags set
|
||||
* on this collected pad.
|
||||
*
|
||||
* Since: 0.10.36
|
||||
*/
|
||||
#define GST_COLLECT_PADS2_STATE(data) (((GstCollectData2 *) data)->state)
|
||||
/**
|
||||
* GST_COLLECT_PADS2_STATE_IS_SET:
|
||||
* @data: a #GstCollectData2.
|
||||
* @flag: the #GstCollectPads2StateFlags to check.
|
||||
*
|
||||
* Gives the status of a specific flag on a collected pad.
|
||||
*
|
||||
* Since: 0.10.36
|
||||
*/
|
||||
#define GST_COLLECT_PADS2_STATE_IS_SET(data,flag) !!(GST_COLLECT_PADS2_STATE (data) & flag)
|
||||
/**
|
||||
* GST_COLLECT_PADS2_STATE_SET:
|
||||
* @data: a #GstCollectData2.
|
||||
* @flag: the #GstCollectPads2StateFlags to set.
|
||||
*
|
||||
* Sets a state flag on a collected pad.
|
||||
*
|
||||
* Since: 0.10.36
|
||||
*/
|
||||
#define GST_COLLECT_PADS2_STATE_SET(data,flag) (GST_COLLECT_PADS2_STATE (data) |= flag)
|
||||
/**
|
||||
* GST_COLLECT_PADS2_STATE_UNSET:
|
||||
* @data: a #GstCollectData2.
|
||||
* @flag: the #GstCollectPads2StateFlags to clear.
|
||||
*
|
||||
* Clears a state flag on a collected pad.
|
||||
*
|
||||
* Since: 0.10.36
|
||||
*/
|
||||
#define GST_COLLECT_PADS2_STATE_UNSET(data,flag) (GST_COLLECT_PADS2_STATE (data) &= ~(flag))
|
||||
|
||||
#define GST_COLLECT_PADS2_FLOW_DROP GST_FLOW_CUSTOM_SUCCESS
|
||||
|
||||
/**
|
||||
* GstCollectData2:
|
||||
* @collect: owner #GstCollectPads2
|
||||
* @pad: #GstPad managed by this data
|
||||
* @buffer: currently queued buffer.
|
||||
* @pos: position in the buffer
|
||||
* @segment: last segment received.
|
||||
*
|
||||
* Structure used by the collect_pads2.
|
||||
*
|
||||
* Since: 0.10.36
|
||||
*/
|
||||
struct _GstCollectData2
|
||||
{
|
||||
/* with STREAM_LOCK of @collect */
|
||||
GstCollectPads2 *collect;
|
||||
GstPad *pad;
|
||||
GstBuffer *buffer;
|
||||
guint pos;
|
||||
GstSegment segment;
|
||||
|
||||
/*< private >*/
|
||||
/* state: bitfield for easier extension;
|
||||
* eos, flushing, new_segment, waiting */
|
||||
guint state;
|
||||
|
||||
/* refcounting for struct, and destroy callback */
|
||||
GstCollectData2DestroyNotify destroy_notify;
|
||||
gint refcount;
|
||||
|
||||
gpointer _gst_reserved[GST_PADDING];
|
||||
};
|
||||
|
||||
/**
|
||||
* GstCollectPads2Function:
|
||||
* @pads: the #GstCollectPads2 that trigered the callback
|
||||
* @user_data: user data passed to gst_collect_pads2_set_function()
|
||||
*
|
||||
* A function that will be called when all pads have received data.
|
||||
*
|
||||
* Returns: #GST_FLOW_OK for success
|
||||
*
|
||||
* Since: 0.10.36
|
||||
*/
|
||||
typedef GstFlowReturn (*GstCollectPads2Function) (GstCollectPads2 *pads, gpointer user_data);
|
||||
|
||||
/**
|
||||
* GstCollectPads2BufferFunction:
|
||||
* @pads: the #GstCollectPads2 that trigered the callback
|
||||
* @data: the #GstCollectData2 of pad that has received the buffer
|
||||
* @buffer: the #GstBuffer
|
||||
* @user_data: user data passed to gst_collect_pads2_set_buffer_function()
|
||||
*
|
||||
* A function that will be called when a (considered oldest) buffer can be muxed.
|
||||
* If all pads have reached EOS, this function is called with NULL @buffer
|
||||
* and NULL @data.
|
||||
*
|
||||
* Returns: #GST_FLOW_OK for success
|
||||
*
|
||||
* Since: 0.10.36
|
||||
*/
|
||||
typedef GstFlowReturn (*GstCollectPads2BufferFunction) (GstCollectPads2 *pads, GstCollectData2 *data,
|
||||
GstBuffer *buffer, gpointer user_data);
|
||||
|
||||
/**
|
||||
* GstCollectPads2CompareFunction:
|
||||
* @pads: the #GstCollectPads that is comparing the timestamps
|
||||
* @data1: the first #GstCollectData2
|
||||
* @timestamp1: the first timestamp
|
||||
* @data2: the second #GstCollectData2
|
||||
* @timestamp2: the second timestamp
|
||||
* @user_data: user data passed to gst_collect_pads2_set_compare_function()
|
||||
*
|
||||
* A function for comparing two timestamps of buffers or newsegments collected on one pad.
|
||||
*
|
||||
* Returns: Integer less than zero when first timestamp is deemed older than the second one.
|
||||
* Zero if the timestamps are deemed equally old.
|
||||
* Integer greate than zero when second timestamp is deemed older than the first one.
|
||||
*
|
||||
* Since: 0.10.36
|
||||
*/
|
||||
typedef gint (*GstCollectPads2CompareFunction) (GstCollectPads2 *pads,
|
||||
GstCollectData2 * data1, GstClockTime timestamp1,
|
||||
GstCollectData2 * data2, GstClockTime timestamp2,
|
||||
gpointer user_data);
|
||||
|
||||
/**
|
||||
* GstCollectPads2EventFunction:
|
||||
* @pads: the #GstCollectPads2 that trigered the callback
|
||||
* @pad: the #GstPad that received an event
|
||||
* @event: the #GstEvent received
|
||||
* @user_data: user data passed to gst_collect_pads2_set_event_function()
|
||||
*
|
||||
* A function that will be called after collectpads has processed the event.
|
||||
*
|
||||
* Returns: %TRUE if the pad could handle the event
|
||||
*
|
||||
* Since: 0.10.36
|
||||
*/
|
||||
typedef gboolean (*GstCollectPads2EventFunction) (GstCollectPads2 *pads, GstCollectData2 * pad,
|
||||
GstEvent * event, gpointer user_data);
|
||||
|
||||
/**
|
||||
* GST_COLLECT_PADS2_GET_STREAM_LOCK:
|
||||
* @pads: a #GstCollectPads2
|
||||
*
|
||||
* Get the stream lock of @pads. The stream lock is used to coordinate and
|
||||
* serialize execution among the various streams being collected, and in
|
||||
* protecting the resources used to accomplish this.
|
||||
*
|
||||
* Since: 0.10.36
|
||||
*/
|
||||
#define GST_COLLECT_PADS2_GET_STREAM_LOCK(pads) (&((GstCollectPads2 *)pads)->stream_lock)
|
||||
/**
|
||||
* GST_COLLECT_PADS2_STREAM_LOCK:
|
||||
* @pads: a #GstCollectPads2
|
||||
*
|
||||
* Lock the stream lock of @pads.
|
||||
*
|
||||
* Since: 0.10.36
|
||||
*/
|
||||
#define GST_COLLECT_PADS2_STREAM_LOCK(pads) (g_static_rec_mutex_lock(GST_COLLECT_PADS2_GET_STREAM_LOCK (pads)))
|
||||
/**
|
||||
* GST_COLLECT_PADS2_STREAM_UNLOCK:
|
||||
* @pads: a #GstCollectPads2
|
||||
*
|
||||
* Unlock the stream lock of @pads.
|
||||
*
|
||||
* Since: 0.10.36
|
||||
*/
|
||||
#define GST_COLLECT_PADS2_STREAM_UNLOCK(pads) (g_static_rec_mutex_unlock(GST_COLLECT_PADS2_GET_STREAM_LOCK (pads)))
|
||||
|
||||
/**
|
||||
* GstCollectPads2:
|
||||
* @data: #GList of #GstCollectData2 managed by this #GstCollectPads2.
|
||||
*
|
||||
* Collectpads object.
|
||||
*
|
||||
* Since: 0.10.36
|
||||
*/
|
||||
struct _GstCollectPads2 {
|
||||
GstObject object;
|
||||
|
||||
/*< public >*/ /* with LOCK and/or STREAM_LOCK */
|
||||
GSList *data; /* list of CollectData items */
|
||||
|
||||
/*< private >*/
|
||||
GStaticRecMutex stream_lock; /* used to serialize collection among several streams */
|
||||
/* with LOCK and/or STREAM_LOCK*/
|
||||
gboolean started;
|
||||
|
||||
/* with STREAM_LOCK */
|
||||
guint32 cookie; /* @data list cookie */
|
||||
guint numpads; /* number of pads in @data */
|
||||
guint queuedpads; /* number of pads with a buffer */
|
||||
guint eospads; /* number of pads that are EOS */
|
||||
GstClockTime earliest_time; /* Current earliest time */
|
||||
GstCollectData2 *earliest_data; /* Pad data for current earliest time */
|
||||
|
||||
/* with LOCK */
|
||||
GSList *pad_list; /* updated pad list */
|
||||
guint32 pad_cookie; /* updated cookie */
|
||||
|
||||
GstCollectPads2Function func; /* function and user_data for callback */
|
||||
gpointer user_data;
|
||||
GstCollectPads2BufferFunction prepare_buffer_func; /* function and user_data for prepare buffer callback */
|
||||
gpointer prepare_buffer_user_data;
|
||||
GstCollectPads2BufferFunction buffer_func; /* function and user_data for buffer callback */
|
||||
gpointer buffer_user_data;
|
||||
GstCollectPads2CompareFunction compare_func;
|
||||
gpointer compare_user_data;
|
||||
GstCollectPads2EventFunction event_func; /* function and data for event callback */
|
||||
gpointer event_user_data;
|
||||
|
||||
/* no other lock needed */
|
||||
GMutex *evt_lock; /* these make up sort of poor man's event signaling */
|
||||
GCond *evt_cond;
|
||||
guint32 evt_cookie;
|
||||
|
||||
gpointer _gst_reserved[GST_PADDING + 0];
|
||||
|
||||
};
|
||||
|
||||
struct _GstCollectPads2Class {
|
||||
GstObjectClass parent_class;
|
||||
|
||||
/*< private >*/
|
||||
gpointer _gst_reserved[GST_PADDING];
|
||||
};
|
||||
|
||||
GType gst_collect_pads2_get_type(void);
|
||||
|
||||
/* creating the object */
|
||||
GstCollectPads2* gst_collect_pads2_new (void);
|
||||
|
||||
/* set the callbacks */
|
||||
void gst_collect_pads2_set_function (GstCollectPads2 *pads, GstCollectPads2Function func,
|
||||
gpointer user_data);
|
||||
void gst_collect_pads2_set_prepare_buffer_function (GstCollectPads2 *pads,
|
||||
GstCollectPads2BufferFunction func, gpointer user_data);
|
||||
void gst_collect_pads2_set_buffer_function (GstCollectPads2 *pads,
|
||||
GstCollectPads2BufferFunction func, gpointer user_data);
|
||||
void gst_collect_pads2_set_event_function (GstCollectPads2 *pads,
|
||||
GstCollectPads2EventFunction func, gpointer user_data);
|
||||
void gst_collect_pads2_set_compare_function (GstCollectPads2 *pads,
|
||||
GstCollectPads2CompareFunction func, gpointer user_data);
|
||||
|
||||
/* pad management */
|
||||
GstCollectData2* gst_collect_pads2_add_pad (GstCollectPads2 *pads, GstPad *pad, guint size);
|
||||
GstCollectData2* gst_collect_pads2_add_pad_full (GstCollectPads2 *pads, GstPad *pad, guint size, GstCollectData2DestroyNotify destroy_notify,
|
||||
gboolean lock);
|
||||
gboolean gst_collect_pads2_remove_pad (GstCollectPads2 *pads, GstPad *pad);
|
||||
gboolean gst_collect_pads2_is_active (GstCollectPads2 *pads, GstPad *pad);
|
||||
|
||||
/* start/stop collection */
|
||||
GstFlowReturn gst_collect_pads2_collect (GstCollectPads2 *pads);
|
||||
GstFlowReturn gst_collect_pads2_collect_range (GstCollectPads2 *pads, guint64 offset, guint length);
|
||||
|
||||
void gst_collect_pads2_start (GstCollectPads2 *pads);
|
||||
void gst_collect_pads2_stop (GstCollectPads2 *pads);
|
||||
void gst_collect_pads2_set_flushing (GstCollectPads2 *pads, gboolean flushing);
|
||||
|
||||
/* get collected buffers */
|
||||
GstBuffer* gst_collect_pads2_peek (GstCollectPads2 *pads, GstCollectData2 *data);
|
||||
GstBuffer* gst_collect_pads2_pop (GstCollectPads2 *pads, GstCollectData2 *data);
|
||||
|
||||
/* get collected bytes */
|
||||
guint gst_collect_pads2_available (GstCollectPads2 *pads);
|
||||
guint gst_collect_pads2_read (GstCollectPads2 *pads, GstCollectData2 *data,
|
||||
guint8 **bytes, guint size);
|
||||
guint gst_collect_pads2_flush (GstCollectPads2 *pads, GstCollectData2 *data,
|
||||
guint size);
|
||||
GstBuffer* gst_collect_pads2_read_buffer (GstCollectPads2 * pads, GstCollectData2 * data,
|
||||
guint size);
|
||||
GstBuffer* gst_collect_pads2_take_buffer (GstCollectPads2 * pads, GstCollectData2 * data,
|
||||
guint size);
|
||||
|
||||
/* setting and unsetting waiting mode */
|
||||
void gst_collect_pads2_set_waiting (GstCollectPads2 *pads, GstCollectData2 *data,
|
||||
gboolean waiting);
|
||||
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif /* __GST_COLLECT_PADS22_H__ */
|
||||
Loading…
Reference in a new issue