mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-25 03:01:03 +00:00
f8d7a2a0af
When one part moves ahead of the others - due to excessive downstream queueing, or really small input files - then we can end up activating parts more than once. That can lead to effects like shutting down pad tasks prematurely. https://bugzilla.gnome.org/show_bug.cgi?id=772138
119 lines
4.1 KiB
C
119 lines
4.1 KiB
C
/* GStreamer Split Muxed File Source - Part reader
|
|
* Copyright (C) 2014 Jan Schmidt <jan@centricular.com>
|
|
*
|
|
* 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_SPLITMUX_PART_READER_H__
|
|
#define __GST_SPLITMUX_PART_READER_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/base/gstdataqueue.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_SPLITMUX_PART_READER \
|
|
(gst_splitmux_part_reader_get_type())
|
|
#define GST_SPLITMUX_PART_READER(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SPLITMUX_PART_READER,GstSplitMuxSrc))
|
|
#define GST_SPLITMUX_PART_READER_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SPLITMUX_PART_READER,GstSplitMuxSrcClass))
|
|
#define GST_IS_SPLITMUX_PART_READER(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SPLITMUX_PART_READER))
|
|
#define GST_IS_SPLITMUX_PART_READER_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SPLITMUX_PART_READER))
|
|
|
|
typedef struct _GstSplitMuxPartReader GstSplitMuxPartReader;
|
|
typedef struct _GstSplitMuxPartReaderClass GstSplitMuxPartReaderClass;
|
|
typedef struct _SplitMuxSrcPad SplitMuxSrcPad;
|
|
typedef struct _SplitMuxSrcPadClass SplitMuxSrcPadClass;
|
|
|
|
typedef enum
|
|
{
|
|
PART_STATE_NULL,
|
|
PART_STATE_PREPARING_COLLECT_STREAMS,
|
|
PART_STATE_PREPARING_MEASURE_STREAMS,
|
|
PART_STATE_PREPARING_RESET_FOR_READY,
|
|
PART_STATE_READY,
|
|
PART_STATE_FAILED,
|
|
} GstSplitMuxPartState;
|
|
|
|
typedef GstPad *(*GstSplitMuxPartReaderPadCb)(GstSplitMuxPartReader *reader, GstPad *src_pad, gpointer cb_data);
|
|
|
|
struct _GstSplitMuxPartReader
|
|
{
|
|
GstPipeline parent;
|
|
|
|
GstSplitMuxPartState prep_state;
|
|
|
|
gchar *path;
|
|
|
|
GstElement *src;
|
|
GstElement *typefind;
|
|
GstElement *demux;
|
|
|
|
gboolean active;
|
|
gboolean running;
|
|
gboolean prepared;
|
|
gboolean flushing;
|
|
gboolean no_more_pads;
|
|
|
|
GstClockTime duration;
|
|
GstClockTime start_offset;
|
|
|
|
GList *pads;
|
|
|
|
GCond inactive_cond;
|
|
GMutex lock;
|
|
GMutex type_lock;
|
|
|
|
GstSplitMuxPartReaderPadCb get_pad_cb;
|
|
gpointer cb_data;
|
|
};
|
|
|
|
struct _GstSplitMuxPartReaderClass
|
|
{
|
|
GstPipelineClass parent_class;
|
|
|
|
void (*prepared) (GstSplitMuxPartReader *reader);
|
|
void (*end_of_part) (GstSplitMuxPartReader *reader);
|
|
};
|
|
|
|
GType gst_splitmux_part_reader_get_type (void);
|
|
|
|
void gst_splitmux_part_reader_set_callbacks (GstSplitMuxPartReader *reader,
|
|
gpointer cb_data, GstSplitMuxPartReaderPadCb get_pad_cb);
|
|
gboolean gst_splitmux_part_reader_prepare (GstSplitMuxPartReader *part);
|
|
void gst_splitmux_part_reader_unprepare (GstSplitMuxPartReader *part);
|
|
void gst_splitmux_part_reader_set_location (GstSplitMuxPartReader *reader,
|
|
const gchar *path);
|
|
gboolean gst_splitmux_part_is_eos (GstSplitMuxPartReader *reader);
|
|
|
|
gboolean gst_splitmux_part_reader_activate (GstSplitMuxPartReader *part, GstSegment *seg);
|
|
void gst_splitmux_part_reader_deactivate (GstSplitMuxPartReader *part);
|
|
gboolean gst_splitmux_part_reader_is_active (GstSplitMuxPartReader *part);
|
|
|
|
gboolean gst_splitmux_part_reader_src_query (GstSplitMuxPartReader *part, GstPad *src_pad, GstQuery * query);
|
|
void gst_splitmux_part_reader_set_start_offset (GstSplitMuxPartReader *part, GstClockTime offset);
|
|
GstClockTime gst_splitmux_part_reader_get_start_offset (GstSplitMuxPartReader *part);
|
|
GstClockTime gst_splitmux_part_reader_get_end_offset (GstSplitMuxPartReader *part);
|
|
GstClockTime gst_splitmux_part_reader_get_duration (GstSplitMuxPartReader * reader);
|
|
|
|
GstPad *gst_splitmux_part_reader_lookup_pad (GstSplitMuxPartReader *reader, GstPad *target);
|
|
GstFlowReturn gst_splitmux_part_reader_pop (GstSplitMuxPartReader *reader, GstPad *part_pad, GstDataQueueItem ** item);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif
|