1 /* GStreamer AAC encoder

     2  * Copyright 2009 Collabora Multimedia,

     3  * Copyright 2009 Nokia Corporation

     4  *  @author: Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk>.

     5  *

     6  * This library is free software; you can redistribute it and/or

     7  * modify it under the terms of the GNU Library General Public

     8  * License as published by the Free Software Foundation; either

     9  * version 2 of the License, or (at your option) any later version.

    10  *

    11  * This library is distributed in the hope that it will be useful,

    12  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    14  * Library General Public License for more details.

    15  *

    16  * You should have received a copy of the GNU Library General Public

    17  * License along with this library; if not, write to the

    18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

    19  * Boston, MA 02111-1307, USA.

    20  */

    21 

    22 /* TODO non-GPL license */

    23 

    24 #ifndef __GST_AAC_ENC_H__

    25 #define __GST_AAC_ENC_H__

    26 

    27 #include <gst/gst.h>

    28 

    29 #include <eaacplus_api.h>

    30 

    31 #include "gstframedaudioenc.h"

    32 

    33 G_BEGIN_DECLS

    34 

    35 /* #define's don't like whitespacey bits */

    36 #define GST_TYPE_AAC_ENC			\

    37   (gst_aac_enc_get_type())

    38 #define GST_AAC_ENC(obj)						\

    39   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AAC_ENC,GstAACEnc))

    40 #define GST_AAC_ENC_CLASS(klass)					\

    41   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AAC_ENC,GstAACEncClass))

    42 #define GST_IS_AAC_ENC(obj)					\

    43   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AAC_ENC))

    44 #define GST_IS_AAC_ENC_CLASS(klass)				\

    45   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AAC_ENC))

    46 #define GST_AAC_ENC_CAST(obj)          ((GstAACEnc*)(obj))

    47 

    48 

    49 typedef struct _GstNokiaAACEnc      GstNokiaAACEnc;

    50 typedef struct _GstNokiaAACEncClass GstNokiaAACEncClass;

    51 

    52 typedef GstNokiaAACEnc      GstAACEnc;

    53 typedef GstNokiaAACEncClass GstAACEncClass;

    54 

    55 struct _GstNokiaAACEnc

    56 {

    57   GstElement element;

    58 

    59   GstPad *sinkpad, *srcpad, *cnpad;

    60 

    61   GstFramedAudioEnc enc;

    62   HANDLE_AACPLUS_ENC encoder;

    63   AACPLUS_ENC_INFO info;

    64 

    65   /* mode selection */

    66   GstClockTime frame_duration;

    67   gint raw_frame_size;

    68   gint codec_frame_size;

    69 

    70   /* optional helper (history) buffer */

    71   guint8 *buffer;

    72 

    73   /* stream description */

    74   gint rate;

    75   gint channels;

    76 

    77   /* properties */

    78   gint bitrate;

    79   guint profile;

    80   guint format;

    81 };

    82 

    83 struct _GstNokiaAACEncClass

    84 {

    85   GstElementClass parent_class;

    86 };

    87 

    88 GType gst_aac_enc_get_type (void);

    89 

    90 G_END_DECLS

    91 

    92 #endif /* __GST_AAC_ENC_H__ */