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108 lines
3.3 KiB
C++
108 lines
3.3 KiB
C++
/* GStreamer
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* Copyright (C) 2011 David Schleef <ds@schleef.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef _GST_DECKLINK_SINK_H_
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#define _GST_DECKLINK_SINK_H_
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#include <gst/gst.h>
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#include <gst/base/gstadapter.h>
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#include "gstdecklink.h"
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G_BEGIN_DECLS
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#define GST_TYPE_DECKLINK_SINK (gst_decklink_sink_get_type())
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#define GST_DECKLINK_SINK(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DECKLINK_SINK,GstDecklinkSink))
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#define GST_DECKLINK_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DECKLINK_SINK,GstDecklinkSinkClass))
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#define GST_DECKLINK_SINK_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DECKLINK_SINK, GstDecklinkSinkClass))
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#define GST_IS_DECKLINK_SINK(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DECKLINK_SINK))
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#define GST_IS_DECKLINK_SINK_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DECKLINK_SINK))
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typedef struct _GstDecklinkSink GstDecklinkSink;
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typedef struct _GstDecklinkSinkClass GstDecklinkSinkClass;
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class Output : public IDeckLinkVideoOutputCallback,
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public IDeckLinkAudioOutputCallback
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{
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public:
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GstDecklinkSink *decklinksink;
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virtual HRESULT STDMETHODCALLTYPE QueryInterface (REFIID iid, LPVOID *ppv) {return E_NOINTERFACE;}
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virtual ULONG STDMETHODCALLTYPE AddRef () {return 1;}
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virtual ULONG STDMETHODCALLTYPE Release () {return 1;}
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virtual HRESULT STDMETHODCALLTYPE ScheduledFrameCompleted (IDeckLinkVideoFrame* completedFrame, BMDOutputFrameCompletionResult result);
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virtual HRESULT STDMETHODCALLTYPE ScheduledPlaybackHasStopped ();
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virtual HRESULT STDMETHODCALLTYPE RenderAudioSamples (bool preroll);
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virtual ~Output();
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};
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struct _GstDecklinkSink
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{
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GstElement base_decklinksink;
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GstAdapter *audio_adapter;
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GstPad *videosinkpad;
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GstPad *audiosinkpad;
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GMutex mutex;
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GCond cond;
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GMutex audio_mutex;
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GCond audio_cond;
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int queued_frames;
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gboolean stop;
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gboolean video_eos;
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gboolean audio_eos;
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int video_seqnum;
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int audio_seqnum;
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GstSegment audio_segment, video_segment;
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IDeckLink *decklink;
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IDeckLinkOutput *output;
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Output *callback;
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BMDDisplayMode display_mode;
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BMDPixelFormat pixel_format;
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gboolean video_enabled;
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gboolean sched_started;
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int num_frames;
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/* properties */
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GstDecklinkModeEnum mode;
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int device_number;
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#ifdef _MSC_VER
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gboolean comInitialized;
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GMutex com_init_lock;
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GMutex com_deinit_lock;
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GCond com_initialized;
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GCond com_uninitialize;
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GCond com_uninitialized;
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#endif /* _MSC_VER */
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};
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struct _GstDecklinkSinkClass
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{
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GstElementClass base_decklinksink_class;
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};
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GType gst_decklink_sink_get_type (void);
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G_END_DECLS
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#endif
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