mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-09 05:38:58 +00:00
48a2bbd6ad
Prevents losing sync when remuxing streams with different start times. The smallest start time is selected as the base time and all timestamps are subtracted from it to get the actual time to be used when muxing and building indexes Fixes #586848
158 lines
3.8 KiB
C
158 lines
3.8 KiB
C
/* ASF muxer plugin for GStreamer
|
|
* Copyright (C) 2009 Thiago Santos <thiagoss@embedded.ufcg.edu.br>
|
|
*
|
|
* 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_ASF_MUX_H__
|
|
#define __GST_ASF_MUX_H__
|
|
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/base/gstcollectpads.h>
|
|
#include <gst/riff/riff-media.h>
|
|
|
|
#include "gstasfobjects.h"
|
|
|
|
G_BEGIN_DECLS
|
|
#define GST_TYPE_ASF_MUX \
|
|
(gst_asf_mux_get_type())
|
|
#define GST_ASF_MUX(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ASF_MUX,GstAsfMux))
|
|
#define GST_ASF_MUX_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ASF_MUX,GstAsfMuxClass))
|
|
#define GST_IS_ASF_MUX(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ASF_MUX))
|
|
#define GST_IS_ASF_MUX_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ASF_MUX))
|
|
#define GST_ASF_MUX_CAST(obj) ((GstAsfMux*)(obj))
|
|
typedef struct _GstAsfMux GstAsfMux;
|
|
typedef struct _GstAsfMuxClass GstAsfMuxClass;
|
|
typedef struct _GstAsfPad GstAsfPad;
|
|
typedef struct _GstAsfAudioPad GstAsfAudioPad;
|
|
typedef struct _GstAsfVideoPad GstAsfVideoPad;
|
|
typedef enum _GstAsfMuxState GstAsfMuxState;
|
|
|
|
enum _GstAsfMuxState
|
|
{
|
|
GST_ASF_MUX_STATE_NONE,
|
|
GST_ASF_MUX_STATE_HEADERS,
|
|
GST_ASF_MUX_STATE_DATA,
|
|
GST_ASF_MUX_STATE_EOS
|
|
};
|
|
|
|
struct _GstAsfPad
|
|
{
|
|
GstCollectData collect;
|
|
|
|
gboolean is_audio;
|
|
guint8 stream_number;
|
|
guint8 media_object_number;
|
|
guint32 bitrate;
|
|
|
|
GstClockTime play_duration;
|
|
GstClockTime first_ts;
|
|
|
|
GstBuffer *codec_data;
|
|
|
|
/* stream only metadata */
|
|
GstTagList *taglist;
|
|
};
|
|
|
|
struct _GstAsfAudioPad
|
|
{
|
|
GstAsfPad pad;
|
|
|
|
gst_riff_strf_auds audioinfo;
|
|
};
|
|
|
|
struct _GstAsfVideoPad
|
|
{
|
|
GstAsfPad pad;
|
|
|
|
gst_riff_strf_vids vidinfo;
|
|
|
|
/* Simple Index Entries */
|
|
GSList *simple_index;
|
|
gboolean has_keyframe; /* if we have received one at least */
|
|
guint32 last_keyframe_packet;
|
|
guint16 last_keyframe_packet_count;
|
|
guint16 max_keyframe_packet_count;
|
|
GstClockTime next_index_time;
|
|
guint64 time_interval;
|
|
};
|
|
|
|
struct _GstAsfMux
|
|
{
|
|
GstElement element;
|
|
|
|
/* output stream state */
|
|
GstAsfMuxState state;
|
|
|
|
/* counter to assign stream numbers */
|
|
guint8 stream_number;
|
|
|
|
/* counting variables */
|
|
guint64 file_size;
|
|
guint64 data_object_size;
|
|
guint64 total_data_packets;
|
|
|
|
/*
|
|
* data object size field position
|
|
* needed for updating when finishing the file
|
|
*/
|
|
guint64 data_object_position;
|
|
guint64 file_properties_object_position;
|
|
|
|
/* payloads still to be sent in a packet */
|
|
guint32 payload_data_size;
|
|
GSList *payloads;
|
|
|
|
Guid file_id;
|
|
|
|
/* properties */
|
|
guint32 prop_packet_size;
|
|
guint64 prop_preroll;
|
|
gboolean prop_merge_stream_tags;
|
|
guint64 prop_padding;
|
|
gboolean prop_is_live;
|
|
|
|
/* same as properties, but those are stored here to be
|
|
* used without modification while muxing a single file */
|
|
guint32 packet_size;
|
|
guint64 preroll; /* milisecs */
|
|
gboolean merge_stream_tags;
|
|
|
|
GstClockTime first_ts;
|
|
|
|
/* pads */
|
|
GstPad *srcpad;
|
|
|
|
GstCollectPads *collect;
|
|
GstPadEventFunction collect_event;
|
|
};
|
|
|
|
struct _GstAsfMuxClass
|
|
{
|
|
GstElementClass parent_class;
|
|
};
|
|
|
|
GType gst_asf_mux_get_type (void);
|
|
gboolean gst_asf_mux_plugin_init (GstPlugin * plugin);
|
|
|
|
G_END_DECLS
|
|
#endif /* __GST_ASF_MUX_H__ */
|