/* AVI muxer plugin for GStreamer

 * Copyright (C) 2002 Ronald Bultje <rbultje@ronald.bitfreak.net>

 *

 * 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_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"

G_BEGIN_DECLS

#define GST_TYPE_AVI_MUX \

  (gst_avi_mux_get_type())

#define GST_AVI_MUX(obj) \

  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AVI_MUX,GstAviMux))

#define GST_AVI_MUX_CLASS(klass) \

  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AVI_MUX,GstAviMuxClass))

#define GST_IS_AVI_MUX(obj) \

  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AVI_MUX))

#define GST_IS_AVI_MUX_CLASS(klass) \

  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AVI_MUX))

#define GST_AVI_INDEX_OF_INDEXES     0

#define GST_AVI_INDEX_OF_CHUNKS      1

/* this allows indexing up to 64GB avi file */

#define GST_AVI_SUPERINDEX_COUNT    32

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 {

  /* 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;

} GstAviPad;

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;

} GstAviVideoPad;

typedef struct _GstAviAudioPad {

  GstAviPad parent;

  /* stream format */

  gst_riff_strf_auds auds;

  /* audio info for bps calculation */

  guint32 audio_size;

  guint64 audio_time;

  /* extra data */

  GstBuffer *auds_codec_data;

} GstAviAudioPad;

typedef struct _GstAviCollectData {

  /* extend the CollectData */

  GstCollectData collect;

  GstAviPad      *avipad;

} GstAviCollectData;

typedef struct _GstAviMux GstAviMux;

typedef struct _GstAviMuxClass GstAviMuxClass;

struct _GstAviMux {

  GstElement element;

  /* pads */

  GstPad              *srcpad;

  /* sinkpads, video first */

  GSList              *sinkpads;

  /* video restricted to 1 pad */

  guint               video_pads, audio_pads;

  GstCollectPads      *collect;

  GstPadEventFunction  collect_event;

  /* 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);

G_END_DECLS

#endif /* __GST_AVI_MUX_H__ */