gstreamer/ext/speex/gstspeexenc.h

/* GStreamer
 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
 *
 * 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_SPEEXENC_H__
#define __GST_SPEEXENC_H__


#include <gst/gst.h>
#include <gst/base/gstadapter.h>

#include <speex/speex.h>
#include <speex/speex_header.h>

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


#define GST_TYPE_SPEEXENC \
  (gst_speexenc_get_type())
#define GST_SPEEXENC(obj) \
  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SPEEXENC,GstSpeexEnc))
#define GST_SPEEXENC_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SPEEXENC,GstSpeexEnc))
#define GST_IS_SPEEXENC(obj) \
  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SPEEXENC))
#define GST_IS_SPEEXENC_CLASS(obj) \
  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SPEEXENC))

#define MAX_FRAME_SIZE 2000*2
#define MAX_FRAME_BYTES 2000

typedef enum
{
  GST_SPEEXENC_MODE_AUTO,
  GST_SPEEXENC_MODE_UWB,
  GST_SPEEXENC_MODE_WB,
  GST_SPEEXENC_MODE_NB,
} GstSpeexMode;

typedef struct _GstSpeexEnc GstSpeexEnc;
typedef struct _GstSpeexEncClass GstSpeexEncClass;

struct _GstSpeexEnc {
  GstElement		element;

  /* pads */
  GstPad		*sinkpad,
			*srcpad;

  gint			packet_count;
  gint			n_packets;

  SpeexBits		bits;
  SpeexHeader		header;
#if SPEEX_1_0
  SpeexMode		*speex_mode;
#else
  const SpeexMode	*speex_mode;
#endif
  void			*state;
  GstSpeexMode		mode;
  GstAdapter		*adapter;

  gfloat		quality;
  gint			bitrate;
  gboolean		vbr;
  gint			abr;
  gboolean		vad;
  gboolean		dtx;
  gint			complexity;
  gint			nframes;

  gint			lookahead;

  gint			channels;
  gint			rate;

  gboolean		setup;
  gboolean		header_sent;
  gboolean		eos;

  guint64		samples_in;
  guint64		bytes_out;

  GstTagList		*tags;

  gchar			*last_message;

  gint			frame_size;
  guint64		frameno;

  gchar			*comments;
  gint			comment_len;

  gfloat		input[MAX_FRAME_SIZE];
};

struct _GstSpeexEncClass {
  GstElementClass parent_class;

  /* signals */
  void (*frame_encoded) (GstElement *element);
};

GType gst_speexenc_get_type(void);


#ifdef __cplusplus
}
#endif /* __cplusplus */


#endif /* __GST_SPEEXENC_H__ */