X-Git-Url: http://git.maemo.org/git/?p=mafwsubrenderer;a=blobdiff_plain;f=gst-plugins-base-subtitles0.10%2Fsys%2Fv4l%2Fgstv4lmjpegsrc.h;fp=gst-plugins-base-subtitles0.10%2Fsys%2Fv4l%2Fgstv4lmjpegsrc.h;h=2e76906b65bb7b3a34826ab8119c94095f8853ea;hp=0000000000000000000000000000000000000000;hb=57ba96e291a055f69dbfd4ae9f1ae2390e36986e;hpb=be2c98fb83895d10ac44af7b9a9c3e00ca54bf49;ds=sidebyside diff --git a/gst-plugins-base-subtitles0.10/sys/v4l/gstv4lmjpegsrc.h b/gst-plugins-base-subtitles0.10/sys/v4l/gstv4lmjpegsrc.h new file mode 100644 index 0000000..2e76906 --- /dev/null +++ b/gst-plugins-base-subtitles0.10/sys/v4l/gstv4lmjpegsrc.h @@ -0,0 +1,116 @@ +/* GStreamer + * + * gstv4lmjpegsrc.h: hardware MJPEG video source element + * + * Copyright (C) 2001-2002 Ronald Bultje + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __GST_V4LMJPEGSRC_H__ +#define __GST_V4LMJPEGSRC_H__ + +#include +#include +#include + +G_BEGIN_DECLS + +#define GST_TYPE_V4LMJPEGSRC \ + (gst_v4lmjpegsrc_get_type()) +#define GST_V4LMJPEGSRC(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_V4LMJPEGSRC,GstV4lMjpegSrc)) +#define GST_V4LMJPEGSRC_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_V4LMJPEGSRC,GstV4lMjpegSrcClass)) +#define GST_IS_V4LMJPEGSRC(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_V4LMJPEGSRC)) +#define GST_IS_V4LMJPEGSRC_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_V4LMJPEGSRC)) + +typedef struct _GstV4lMjpegSrc GstV4lMjpegSrc; +typedef struct _GstV4lMjpegSrcClass GstV4lMjpegSrcClass; + +struct _GstV4lMjpegSrc { + GstV4lElement v4lelement; + + /* pads */ + GstPad *srcpad; + + /* buffer/capture info */ + struct mjpeg_sync bsync; + struct mjpeg_requestbuffers breq; + + /* num of queued frames and some GThread stuff + * to wait if there's not enough */ + gint8 *frame_queue_state; + GMutex *mutex_queue_state; + GCond *cond_queue_state; + gint num_queued; + gint queue_frame; + + /* True if we want to stop */ + gboolean quit, is_capturing; + + /* A/V sync... frame counter and internal cache */ + gulong handled; + gint last_frame; + gint last_size; + gint need_writes; + gulong last_seq; + + /* clock */ + GstClock *clock; + + /* time to substract from clock time to get back to timestamp */ + GstClockTime substract_time; + + /* how often are we going to use each frame? */ + gint *use_num_times; + + /* how are we going to push buffers? */ + gboolean use_fixed_fps; + + /* end size */ + gint end_width, end_height; + + /* caching values */ +#if 0 + gint x_offset; + gint y_offset; + gint frame_width; + gint frame_height; +#endif + + gint quality; + gint numbufs; +}; + +struct _GstV4lMjpegSrcClass { + GstV4lElementClass parent_class; + + void (*frame_capture) (GObject *object); + void (*frame_drop) (GObject *object); + void (*frame_insert) (GObject *object); + void (*frame_lost) (GObject *object, + gint num_lost); +}; + +GType gst_v4lmjpegsrc_get_type(void); + + +G_END_DECLS + +#endif /* __GST_V4LMJPEGSRC_H__ */