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/* AVI muxer plugin for GStreamer
* Copyright (C) 2002 Ronald Bultje <>
* 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
* 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_AVI_MUX_H__
#define __GST_AVI_MUX_H__
#include <gst/gst.h>
#include <gst/base/gstcollectpads.h>
#include <gst/riff/riff-ids.h>
#include "avi-ids.h"
#define GST_TYPE_AVI_MUX \
#define GST_AVI_MUX(obj) \
#define GST_AVI_MUX_CLASS(klass) \
#define GST_IS_AVI_MUX(obj) \
#define GST_IS_AVI_MUX_CLASS(klass) \
/* this allows indexing up to 64GB avi file */
/* max size */
#define GST_AVI_MAX_SIZE 0x40000000
typedef struct _gst_avi_superindex_entry {
guint64 offset;
guint32 size;
guint32 duration;
} gst_avi_superindex_entry;
typedef struct _gst_riff_strh_full {
gst_riff_strh parent;
/* rcFrame, RECT structure (struct of 4 shorts) */
gint16 left;
gint16 top;
gint16 right;
gint16 bottom;
} gst_riff_strh_full;
typedef struct _GstAviPad GstAviPad;
typedef struct _GstAviMux GstAviMux;
typedef struct _GstAviMuxClass GstAviMuxClass;
typedef GstFlowReturn (*GstAviPadHook) (GstAviMux * avi, GstAviPad * avipad,
GstBuffer * buffer);
struct _GstAviPad {
/* do not extend, link to it */
/* is NULL if original sink request pad has been removed */
GstCollectData *collect;
/* type */
gboolean is_video;
gboolean connected;
/* chunk tag */
gchar *tag;
/* stream header */
gst_riff_strh hdr;
/* odml super indexes */
gst_avi_superindex_entry idx[GST_AVI_SUPERINDEX_COUNT];
gint idx_index;
gchar *idx_tag;
/* stream specific hook */
GstAviPadHook hook;
typedef struct _GstAviVideoPad {
GstAviPad parent;
/* stream format */
gst_riff_strf_vids vids;
/* extra data */
GstBuffer *vids_codec_data;
/* ODML video properties */
gst_riff_vprp vprp;
GstBuffer *prepend_buffer;
} GstAviVideoPad;
typedef struct _GstAviAudioPad {
GstAviPad parent;
/* stream format */
gst_riff_strf_auds auds;
/* audio info for bps calculation */
guint32 audio_size;
guint64 audio_time;
/* max audio chunk size for vbr */
guint32 max_audio_chunk;
/* counts the number of samples to put in indx chunk
* useful for raw audio where usually there are more than
* 1 sample in each GstBuffer */
gint samples;
/* extra data */
GstBuffer *auds_codec_data;
} GstAviAudioPad;
typedef struct _GstAviCollectData {
/* extend the CollectData */
GstCollectData collect;
GstAviPad *avipad;
} GstAviCollectData;
struct _GstAviMux {
GstElement element;
/* pads */
GstPad *srcpad;
/* sinkpads, video first */
GSList *sinkpads;
/* video restricted to 1 pad */
guint video_pads, audio_pads;
GstCollectPads *collect;
/* the AVI header */
/* still some single stream video data in mux struct */
gst_riff_avih avi_hdr;
/* total number of (video) frames */
guint32 total_frames;
/* amount of total data (bytes) */
guint64 total_data;
/* amount of data (bytes) in the AVI/AVIX block;
* actually the movi list, so counted from and including the movi tag */
guint32 data_size, datax_size;
/* num (video) frames in the AVI/AVIX block */
guint32 num_frames, numx_frames;
/* size of hdrl list, including tag as usual */
/* total size of extra codec data */
guint32 codec_data_size;
/* state info */
gboolean write_header;
gboolean restart;
/* tags */
GstTagList *tags_snap;
/* information about the AVI index ('idx') */
gst_riff_index_entry *idx;
gint idx_index, idx_count;
/* offset of *chunk* (relative to a base offset); entered in the index */
guint32 idx_offset;
/* size of idx1 chunk (including! chunk header and size bytes) */
guint32 idx_size;
/* are we a big file already? */
gboolean is_bigfile;
guint64 avix_start;
/* whether to use "large AVI files" or just stick to small indexed files */
gboolean enable_large_avi;
struct _GstAviMuxClass {
GstElementClass parent_class;
GType gst_avi_mux_get_type(void);
#endif /* __GST_AVI_MUX_H__ */