sys/v4l/v4lmjpegsrc_calls.h

   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__ */