| /* GStreamer monoscope visualisation element |
| * Copyright (C) <2002> Richard Boulton <richard@tartarus.org> |
| * Copyright (C) <2006> Tim-Philipp Müller <tim centricular net> |
| * Copyright (C) <2006> Wim Taymans <wim at fluendo dot com> |
| * |
| * 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., 51 Franklin St, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #ifndef __GST_MONOSCOPE__ |
| #define __GST_MONOSCOPE__ |
| |
| G_BEGIN_DECLS |
| |
| #include <gst/gst.h> |
| #include <gst/base/gstadapter.h> |
| |
| #define GST_TYPE_MONOSCOPE (gst_monoscope_get_type()) |
| #define GST_MONOSCOPE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MONOSCOPE,GstMonoscope)) |
| #define GST_MONOSCOPE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MONOSCOPE,GstMonoscopeClass)) |
| #define GST_IS_MONOSCOPE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MONOSCOPE)) |
| #define GST_IS_MONOSCOPE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MONOSCOPE)) |
| |
| typedef struct _GstMonoscope GstMonoscope; |
| typedef struct _GstMonoscopeClass GstMonoscopeClass; |
| |
| struct _GstMonoscope |
| { |
| GstElement element; |
| |
| /* pads */ |
| GstPad *sinkpad; |
| GstPad *srcpad; |
| |
| GstAdapter *adapter; |
| |
| guint64 next_ts; /* expected timestamp of the next frame */ |
| guint64 frame_duration; /* video frame duration */ |
| gint rate; /* sample rate */ |
| guint bps; /* bytes per sample */ |
| guint spf; /* samples per video frame */ |
| GstBufferPool *pool; |
| |
| GstSegment segment; |
| gboolean segment_pending; |
| |
| /* QoS stuff *//* with LOCK */ |
| gdouble proportion; |
| GstClockTime earliest_time; |
| |
| /* video state */ |
| gint fps_num; |
| gint fps_denom; |
| gint width; |
| gint height; |
| guint outsize; |
| |
| /* visualisation state */ |
| struct monoscope_state *visstate; |
| }; |
| |
| struct _GstMonoscopeClass |
| { |
| GstElementClass parent_class; |
| }; |
| |
| GType gst_monoscope_get_type (void); |
| |
| G_END_DECLS |
| |
| #endif /* __GST_MONOSCOPE__ */ |
| |