gstreamer/gst/avi/gstavimux.h

/* 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_AVIMUX_H__
#define __GST_AVIMUX_H__


#include <gst/gst.h>
#include <gst/riff/riff-ids.h>
#include "avi-ids.h"


#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */


#define GST_TYPE_AVIMUX \
  (gst_avimux_get_type())
#define GST_AVIMUX(obj) \
  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AVIMUX,GstAviMux))
#define GST_AVIMUX_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AVIMUX,GstAviMux))
#define GST_IS_AVIMUX(obj) \
  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AVIMUX))
#define GST_IS_AVIMUX_CLASS(obj) \
  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AVIMUX))


typedef struct _GstAviMux GstAviMux;
typedef struct _GstAviMuxClass GstAviMuxClass;

struct _GstAviMux {
  GstElement element;

  /* pads */
  GstPad *srcpad;
  GstPad *audiosinkpad;
  gboolean audio_pad_connected, audio_pad_eos;
  GstPad *videosinkpad;
  gboolean video_pad_connected, video_pad_eos;

  /* the AVI header */
  gst_riff_avih avi_hdr;
  guint32 total_frames; /* total number of frames */
  guint64 total_data; /* amount of total data */
  guint32 data_size, datax_size; /* amount of data (bytes) in the AVI/AVIX block */
  guint32 num_frames, numx_frames; /* num frames in the AVI/AVIX block */
  guint32 header_size;
  gboolean write_header;
  gboolean restart;
  guint32 audio_size;
  guint64 audio_time;

  /* video header */
  gst_riff_strh vids_hdr;
  gst_riff_strf_vids vids;

  /* audio header */
  gst_riff_strh auds_hdr;
  gst_riff_strf_auds auds;

  /* tags */
  GstTagList *tags;

  /* information about the AVI index ('idx') */
  gst_riff_index_entry *idx;
  gint idx_index, idx_count;
  guint32 idx_offset, 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;

  /* in order to be usable as a loopbased element, we need an internal
   * 'buffered' buffer for each pad, so one for audio, one for video */
  GstBuffer *audio_buffer_queue, *video_buffer_queue;
};

struct _GstAviMuxClass {
  GstElementClass parent_class;
};

GType gst_avimux_get_type(void);

#ifdef __cplusplus
}
#endif /* __cplusplus */


#endif /* __GST_AVIMUX_H__ */