mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-10-04 01:32:42 +00:00
881a08671e
The hardware timestamps have no relation to when frames were produced, only when frames arrived somewhere in the hardware. Especially there is no guarantee that audio and video will have the same hardware timestamps although they belong together, and even more important: the rate with which the hardware timestamps increase is completely unrelated to the rate with which the frames are captured! As such we can as well use the pipeline clock directly and stop doing complicated calculations. Also as a side effect this allows now running without any pipeline clock, by directly making use of the stream times as reported by the driver. https://bugzilla.gnome.org/show_bug.cgi?id=774850
83 lines
2.5 KiB
C
83 lines
2.5 KiB
C
/* GStreamer
|
|
*
|
|
* Copyright (C) 2011 David Schleef <ds@schleef.org>
|
|
* Copyright (C) 2014 Sebastian Dröge <sebastian@centricular.com>
|
|
* Copyright (C) 2015 Florian Langlois <florian.langlois@fr.thalesgroup.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_DECKLINK_VIDEO_SRC_H__
|
|
#define __GST_DECKLINK_VIDEO_SRC_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/base/base.h>
|
|
#include <gst/video/video.h>
|
|
#include "gstdecklink.h"
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_DECKLINK_VIDEO_SRC \
|
|
(gst_decklink_video_src_get_type())
|
|
#define GST_DECKLINK_VIDEO_SRC(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_DECKLINK_VIDEO_SRC, GstDecklinkVideoSrc))
|
|
#define GST_DECKLINK_VIDEO_SRC_CAST(obj) \
|
|
((GstDecklinkVideoSrc*)obj)
|
|
#define GST_DECKLINK_VIDEO_SRC_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_DECKLINK_VIDEO_SRC, GstDecklinkVideoSrcClass))
|
|
#define GST_IS_DECKLINK_VIDEO_SRC(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_DECKLINK_VIDEO_SRC))
|
|
#define GST_IS_DECKLINK_VIDEO_SRC_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_DECKLINK_VIDEO_SRC))
|
|
|
|
typedef struct _GstDecklinkVideoSrc GstDecklinkVideoSrc;
|
|
typedef struct _GstDecklinkVideoSrcClass GstDecklinkVideoSrcClass;
|
|
|
|
struct _GstDecklinkVideoSrc
|
|
{
|
|
GstPushSrc parent;
|
|
|
|
GstDecklinkModeEnum mode;
|
|
GstDecklinkModeEnum caps_mode;
|
|
BMDPixelFormat caps_format;
|
|
GstDecklinkConnectionEnum connection;
|
|
gint device_number;
|
|
|
|
GstVideoInfo info;
|
|
GstDecklinkVideoFormat video_format;
|
|
BMDTimecodeFormat timecode_format;
|
|
|
|
GstDecklinkInput *input;
|
|
|
|
GCond cond;
|
|
GMutex lock;
|
|
gboolean flushing;
|
|
GQueue current_frames;
|
|
gboolean no_signal;
|
|
|
|
guint buffer_size;
|
|
};
|
|
|
|
struct _GstDecklinkVideoSrcClass
|
|
{
|
|
GstPushSrcClass parent_class;
|
|
};
|
|
|
|
GType gst_decklink_video_src_get_type (void);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_DECKLINK_VIDEO_SRC_H__ */
|