1 /*

     2  * GStreamer

     3  * Copyright (C) 2008 Nokia Corporation <multimedia@maemo.org>

     4  *

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

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

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

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

     9  *

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

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

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

    13  * Library General Public License for more details.

    14  *

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

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

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

    18  * Boston, MA 02111-1307, USA.

    19  */

    20 

    21 #ifndef __CAMERABIN_VIDEO_H__

    22 #define __CAMERABIN_VIDEO_H__

    23 

    24 #include <gst/gstbin.h>

    25 

    26 G_BEGIN_DECLS

    27 

    28 //#define USE_TIMEOVERLAY 1

    29 

    30 #define ARG_DEFAULT_MUTE FALSE

    31 

    32 #define GST_TYPE_CAMERABIN_VIDEO             (gst_camerabin_video_get_type())

    33 #define GST_CAMERABIN_VIDEO_CAST(obj)        ((GstCameraBinVideo*)(obj))

    34 #define GST_CAMERABIN_VIDEO(obj)             (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CAMERABIN_VIDEO,GstCameraBinVideo))

    35 #define GST_CAMERABIN_VIDEO_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CAMERABIN_VIDEO,GstCameraBinVideoClass))

    36 #define GST_IS_CAMERABIN_VIDEO(obj)          (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CAMERABIN_VIDEO))

    37 #define GST_IS_CAMERABIN_VIDEO_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CAMERABIN_VIDEO))

    38 

    39 /**

    40  * GstCameraBinVideo:

    41  *

    42  * The opaque #GstCameraBinVideo structure.

    43  */

    44 

    45 typedef struct _GstCameraBinVideo GstCameraBinVideo;

    46 typedef struct _GstCameraBinVideoClass GstCameraBinVideoClass;

    47 

    48 struct _GstCameraBinVideo

    49 {

    50   GstBin parent;

    51 

    52   GString *filename;

    53 

    54   /* A/V timestamp rewriting */

    55   guint64 adjust_ts_video;

    56   guint64 last_ts_video;

    57   gboolean calculate_adjust_ts_video;

    58 

    59   guint64 adjust_ts_aud;

    60   guint64 last_ts_aud;

    61   gboolean calculate_adjust_ts_aud;

    62 

    63   /* Sink and src pads of video bin */

    64   GstPad *sinkpad;

    65   GstPad *srcpad;

    66 

    67   /* Tee src pads leading to video encoder and view finder */

    68   GstPad *tee_video_srcpad;

    69   GstPad *tee_vf_srcpad;

    70 

    71   /* User set elements */

    72   GstElement *user_post;        /* Video post processing */

    73   GstElement *user_vid_enc;

    74   GstElement *user_aud_enc;

    75   GstElement *user_aud_src;

    76   GstElement *user_mux;

    77 

    78   /* Other elements */

    79   GstElement *aud_src;          /* Audio source */

    80   GstElement *sink;             /* Sink for recorded video */

    81   GstElement *tee;              /* Split output to view finder and recording sink */

    82   GstElement *volume;           /* Volume for muting */

    83   GstElement *video_queue;      /* Buffer for raw video frames */

    84   GstElement *vid_enc;          /* Video encoder */

    85   GstElement *aud_enc;          /* Audio encoder */

    86   GstElement *muxer;            /* Muxer */

    87 

    88   GstEvent *pending_eos;

    89 };

    90 

    91 struct _GstCameraBinVideoClass

    92 {

    93   GstBinClass parent_class;

    94 };

    95 

    96 GType gst_camerabin_video_get_type (void);

    97 

    98 /*

    99  * external function prototypes

   100  */

   101 

   102 void gst_camerabin_video_set_mute (GstCameraBinVideo * vid, gboolean mute);

   103 

   104 void gst_camerabin_video_set_post (GstCameraBinVideo * vid, GstElement * post);

   105 

   106 void

   107 gst_camerabin_video_set_video_enc (GstCameraBinVideo * vid,

   108     GstElement * video_enc);

   109 

   110 void

   111 gst_camerabin_video_set_audio_enc (GstCameraBinVideo * vid,

   112     GstElement * audio_enc);

   113 

   114 void

   115 gst_camerabin_video_set_muxer (GstCameraBinVideo * vid, GstElement * muxer);

   116 

   117 void

   118 gst_camerabin_video_set_audio_src (GstCameraBinVideo * vid,

   119     GstElement * audio_src);

   120 

   121 

   122 gboolean gst_camerabin_video_get_mute (GstCameraBinVideo * vid);

   123 

   124 GstElement *gst_camerabin_video_get_post (GstCameraBinVideo * vid);

   125 

   126 GstElement *gst_camerabin_video_get_video_enc (GstCameraBinVideo * vid);

   127 

   128 GstElement *gst_camerabin_video_get_audio_enc (GstCameraBinVideo * vid);

   129 

   130 GstElement *gst_camerabin_video_get_muxer (GstCameraBinVideo * vid);

   131 

   132 GstElement *gst_camerabin_video_get_audio_src (GstCameraBinVideo * vid);

   133 

   134 G_END_DECLS

   135 

   136 #endif /* #ifndef __CAMERABIN_VIDEO_H__ */