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159 lines
3.8 KiB
C
159 lines
3.8 KiB
C
/* ASF muxer plugin for GStreamer
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* Copyright (C) 2009 Thiago Santos <thiagoss@embedded.ufcg.edu.br>
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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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_ASF_MUX_H__
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#define __GST_ASF_MUX_H__
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#include <gst/gst.h>
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#include <gst/base/gstcollectpads2.h>
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#include <gst/riff/riff-media.h>
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#include "gstasfobjects.h"
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G_BEGIN_DECLS
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#define GST_TYPE_ASF_MUX \
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(gst_asf_mux_get_type())
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#define GST_ASF_MUX(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ASF_MUX,GstAsfMux))
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#define GST_ASF_MUX_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ASF_MUX,GstAsfMuxClass))
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#define GST_IS_ASF_MUX(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ASF_MUX))
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#define GST_IS_ASF_MUX_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ASF_MUX))
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#define GST_ASF_MUX_CAST(obj) ((GstAsfMux*)(obj))
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typedef struct _GstAsfMux GstAsfMux;
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typedef struct _GstAsfMuxClass GstAsfMuxClass;
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typedef struct _GstAsfPad GstAsfPad;
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typedef struct _GstAsfAudioPad GstAsfAudioPad;
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typedef struct _GstAsfVideoPad GstAsfVideoPad;
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typedef enum _GstAsfMuxState GstAsfMuxState;
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enum _GstAsfMuxState
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{
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GST_ASF_MUX_STATE_NONE,
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GST_ASF_MUX_STATE_HEADERS,
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GST_ASF_MUX_STATE_DATA,
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GST_ASF_MUX_STATE_EOS
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};
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struct _GstAsfPad
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{
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GstCollectData2 collect;
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gboolean is_audio;
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guint8 stream_number;
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guint8 media_object_number;
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guint32 bitrate;
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GstClockTime play_duration;
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GstClockTime first_ts;
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GstBuffer *codec_data;
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/* stream only metadata */
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GstTagList *taglist;
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};
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struct _GstAsfAudioPad
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{
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GstAsfPad pad;
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gst_riff_strf_auds audioinfo;
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};
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struct _GstAsfVideoPad
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{
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GstAsfPad pad;
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gst_riff_strf_vids vidinfo;
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/* Simple Index Entries */
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GSList *simple_index;
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gboolean has_keyframe; /* if we have received one at least */
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guint32 last_keyframe_packet;
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guint16 last_keyframe_packet_count;
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guint16 max_keyframe_packet_count;
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GstClockTime next_index_time;
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guint64 time_interval;
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};
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struct _GstAsfMux
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{
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GstElement element;
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/* output stream state */
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GstAsfMuxState state;
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/* counter to assign stream numbers */
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guint8 stream_number;
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/* counting variables */
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guint64 file_size;
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guint64 data_object_size;
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guint64 total_data_packets;
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/*
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* data object size field position
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* needed for updating when finishing the file
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*/
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guint64 data_object_position;
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guint64 file_properties_object_position;
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/* payloads still to be sent in a packet */
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guint32 payload_data_size;
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guint32 payload_parsing_info_size;
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GSList *payloads;
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Guid file_id;
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/* properties */
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guint32 prop_packet_size;
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guint64 prop_preroll;
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gboolean prop_merge_stream_tags;
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guint64 prop_padding;
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gboolean prop_streamable;
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/* same as properties, but those are stored here to be
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* used without modification while muxing a single file */
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guint32 packet_size;
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guint64 preroll; /* milisecs */
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gboolean merge_stream_tags;
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GstClockTime first_ts;
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/* pads */
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GstPad *srcpad;
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GstCollectPads2 *collect;
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GstPadEventFunction collect_event;
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};
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struct _GstAsfMuxClass
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{
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GstElementClass parent_class;
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};
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GType gst_asf_mux_get_type (void);
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gboolean gst_asf_mux_plugin_init (GstPlugin * plugin);
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G_END_DECLS
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#endif /* __GST_ASF_MUX_H__ */
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