1 /* GStreamer

     2  *

     3  * v4lmjpegsrc_calls.h: functions for hardware MJPEG video source

     4  *

     5  * Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>

     6  *

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

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

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

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

    11  *

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

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

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

    15  * Library General Public License for more details.

    16  *

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

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

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

    20  * Boston, MA 02111-1307, USA.

    21  */

    22 

    23 #ifndef __V4L_MJPEG_SRC_CALLS_H__

    24 #define __V4L_MJPEG_SRC_CALLS_H__

    25 

    26 #include "gstv4lmjpegsrc.h"

    27 #include "v4l_calls.h"

    28 

    29 #ifdef __cplusplus

    30 extern "C" {

    31 #endif /* __cplusplus */

    32 

    33 

    34 /* frame grabbing/capture */

    35 gboolean gst_v4lmjpegsrc_set_buffer     (GstV4lMjpegSrc *v4lmjpegsrc,

    36                                          gint           numbufs,

    37                                          gint           bufsize);

    38 gboolean gst_v4lmjpegsrc_set_capture    (GstV4lMjpegSrc *v4lmjpegsrc,

    39                                          gint           decimation,

    40                                          gint           quality);

    41 gboolean gst_v4lmjpegsrc_set_capture_m  (GstV4lMjpegSrc *v4lmjpegsrc,

    42                                          gint           x_offset,

    43                                          gint           y_offset,

    44                                          gint           width,

    45                                          gint           height,

    46                                          gint           h_decimation,

    47                                          gint           v_decimation,

    48                                          gint           quality);

    49 gboolean gst_v4lmjpegsrc_capture_init   (GstV4lMjpegSrc *v4lmjpegsrc);

    50 gboolean gst_v4lmjpegsrc_capture_start  (GstV4lMjpegSrc *v4lmjpegsrc);

    51 gboolean gst_v4lmjpegsrc_grab_frame     (GstV4lMjpegSrc *v4lmjpegsrc,

    52                                          gint           *num,

    53                                          gint           *size);

    54 guint8 * gst_v4lmjpegsrc_get_buffer     (GstV4lMjpegSrc *v4lmjpegsrc,

    55                                          gint           num);

    56 gboolean gst_v4lmjpegsrc_requeue_frame  (GstV4lMjpegSrc *v4lmjpegsrc,

    57                                          gint           num);

    58 gboolean gst_v4lmjpegsrc_capture_stop   (GstV4lMjpegSrc *v4lmjpegsrc);

    59 gboolean gst_v4lmjpegsrc_capture_deinit (GstV4lMjpegSrc *v4lmjpegsrc);

    60 

    61 

    62 #ifdef __cplusplus

    63 }

    64 #endif /* __cplusplus */

    65 

    66 #endif /* __V4L_MJPEG_SRC_CALLS_H__ */