mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-14 13:21:28 +00:00
505f48f237
The order of the devices iterator from the SDK is undefined and can randomly change. Keep the device-number property for backwards compatibility and simplicity but prefer the persistent-id property and also use it for the device provider implementation. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3078>
102 lines
2.9 KiB
C
102 lines
2.9 KiB
C
/* GStreamer
|
|
*
|
|
* Copyright (C) 2011 David Schleef <ds@schleef.org>
|
|
* Copyright (C) 2014 Sebastian Dröge <sebastian@centricular.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_AUDIO_SRC_H__
|
|
#define __GST_DECKLINK_AUDIO_SRC_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/base/base.h>
|
|
#include <gst/audio/audio.h>
|
|
#include "gstdecklink.h"
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_DECKLINK_AUDIO_SRC \
|
|
(gst_decklink_audio_src_get_type())
|
|
#define GST_DECKLINK_AUDIO_SRC(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_DECKLINK_AUDIO_SRC, GstDecklinkAudioSrc))
|
|
#define GST_DECKLINK_AUDIO_SRC_CAST(obj) \
|
|
((GstDecklinkAudioSrc*)obj)
|
|
#define GST_DECKLINK_AUDIO_SRC_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_DECKLINK_AUDIO_SRC, GstDecklinkAudioSrcClass))
|
|
#define GST_IS_DECKLINK_AUDIO_SRC(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_DECKLINK_AUDIO_SRC))
|
|
#define GST_IS_DECKLINK_AUDIO_SRC_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_DECKLINK_AUDIO_SRC))
|
|
|
|
typedef struct _GstDecklinkAudioSrc GstDecklinkAudioSrc;
|
|
typedef struct _GstDecklinkAudioSrcClass GstDecklinkAudioSrcClass;
|
|
|
|
struct _GstDecklinkAudioSrc
|
|
{
|
|
GstPushSrc parent;
|
|
|
|
GstDecklinkModeEnum mode;
|
|
GstDecklinkAudioConnectionEnum connection;
|
|
gint device_number;
|
|
gint64 persistent_id;
|
|
GstDecklinkAudioChannelsEnum channels;
|
|
gint64 channels_found;
|
|
|
|
GstAudioInfo info;
|
|
|
|
GstDecklinkInput *input;
|
|
|
|
GCond cond;
|
|
GMutex lock;
|
|
gboolean flushing;
|
|
GstQueueArray *current_packets;
|
|
|
|
/* properties for handling jittery timestamps */
|
|
GstClockTime alignment_threshold;
|
|
GstClockTime discont_wait;
|
|
|
|
/* counter to keep track of timestamps */
|
|
guint64 next_offset;
|
|
|
|
/* detect gaps in stream time */
|
|
GstClockTime expected_stream_time;
|
|
guint64 processed;
|
|
guint64 dropped;
|
|
GstClockTime last_hardware_time;
|
|
|
|
/* Last time we noticed a discont */
|
|
GstClockTime discont_time;
|
|
|
|
guint buffer_size;
|
|
|
|
guint skipped_last;
|
|
GstClockTime skip_from_timestamp;
|
|
GstClockTime skip_to_timestamp;
|
|
};
|
|
|
|
struct _GstDecklinkAudioSrcClass
|
|
{
|
|
GstPushSrcClass parent_class;
|
|
};
|
|
|
|
GType gst_decklink_audio_src_get_type (void);
|
|
|
|
GST_ELEMENT_REGISTER_DECLARE (decklinkaudiosrc);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_DECKLINK_AUDIO_SRC_H__ */
|