1 /* GStreamer

     2  * Copyright (C) 2004 Wim Taymans <wim@fluendo.com>

     3  *

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

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

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

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

     8  *

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

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

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

    12  * Library General Public License for more details.

    13  *

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

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

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

    17  * Boston, MA 02111-1307, USA.

    18  */

    19 

    20 #ifndef __GST_THEORAENC_H__

    21 #define __GST_THEORAENC_H__

    22 

    23 #include <gst/gst.h>

    24 #include <theora/theora.h>

    25 

    26 G_BEGIN_DECLS

    27 

    28 #define GST_TYPE_THEORA_ENC \

    29   (gst_theora_enc_get_type())

    30 #define GST_THEORA_ENC(obj) \

    31   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_THEORA_ENC,GstTheoraEnc))

    32 #define GST_THEORA_ENC_CLASS(klass) \

    33   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_THEORA_ENC,GstTheoraEncClass))

    34 #define GST_IS_THEORA_ENC(obj) \

    35   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_THEORA_ENC))

    36 #define GST_IS_THEORA_ENC_CLASS(klass) \

    37   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_THEORA_ENC))

    38 

    39 typedef struct _GstTheoraEnc GstTheoraEnc;

    40 typedef struct _GstTheoraEncClass GstTheoraEncClass;

    41 

    42 /**

    43  * GstTheoraEncBorderMode:

    44  * @BORDER_NONE: no border

    45  * @BORDER_BLACK: black border

    46  * @BORDER_MIRROR: Mirror image in border

    47  *

    48  * Border color to add when sizes not multiple of 16. 

    49  */ 

    50 typedef enum

    51 {

    52   BORDER_NONE,

    53   BORDER_BLACK,

    54   BORDER_MIRROR

    55 }

    56 GstTheoraEncBorderMode;

    57 

    58 /**

    59  * GstTheoraEnc:

    60  *

    61  * Opaque data structure.

    62  */

    63 struct _GstTheoraEnc

    64 {

    65   GstElement element;

    66 

    67   GstPad *sinkpad;

    68   GstPad *srcpad;

    69 

    70   ogg_stream_state to;

    71 

    72   theora_state state;

    73   theora_info info;

    74   theora_comment comment;

    75   gboolean initialised;

    76 

    77   gboolean center;

    78   GstTheoraEncBorderMode border;

    79 

    80   gint video_bitrate;           /* bitrate target for Theora video */

    81   gint video_quality;           /* Theora quality selector 0 = low, 63 = high */

    82   gboolean quick;

    83   gboolean keyframe_auto;

    84   gint keyframe_freq;

    85   gint keyframe_force;

    86   gint keyframe_threshold;

    87   gint keyframe_mindistance;

    88   gint noise_sensitivity;

    89   gint sharpness;

    90 

    91   gint info_width, info_height;

    92   gint width, height;

    93   gint offset_x, offset_y;

    94   gint fps_n, fps_d;

    95   GstClockTime next_ts;

    96 

    97   GstClockTime expected_ts;

    98   gboolean next_discont;

    99 

   100   guint packetno;

   101   guint64 bytes_out;

   102   guint64 granulepos_offset;

   103   guint64 timestamp_offset;

   104   gint granule_shift;  

   105 };

   106 

   107 struct _GstTheoraEncClass

   108 {

   109   GstElementClass parent_class;

   110 };

   111 

   112 G_END_DECLS

   113 

   114 #endif /* __GST_THEORAENC_H__ */

   115