98 lines
3.0 KiB
C++
98 lines
3.0 KiB
C++
/*
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* Copyright (c) 2004-2007 Marcus Overhagen <marcus@overhagen.de>
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify,
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* merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef __VIDEO_NODE_H_
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#define __VIDEO_NODE_H_
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#include <BufferConsumer.h>
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#include <MediaEventLooper.h>
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class BLocker;
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class VideoView;
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class VideoNode : public BMediaEventLooper, public BBufferConsumer {
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public:
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VideoNode(const char *name, VideoView *view);
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~VideoNode();
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void SetOverlayEnabled(bool yesno);
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bool IsOverlayActive();
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void LockBitmap();
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BBitmap * Bitmap();
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void UnlockBitmap();
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protected:
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BMediaAddOn * AddOn(int32 *internal_id) const;
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void NodeRegistered();
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void BufferReceived(BBuffer * buffer);
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status_t GetNextInput(int32 *cookie, media_input *out_input);
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void DisposeInputCookie(int32 cookie);
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status_t HandleMessage(int32 message, const void *data, size_t size);
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void HandleEvent(const media_timed_event *event,
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bigtime_t lateness, bool realTimeEvent);
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status_t AcceptFormat(const media_destination &dst,
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media_format *format);
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void ProducerDataStatus(const media_destination &dst,
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int32 status, bigtime_t at_media_time);
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status_t GetLatencyFor(const media_destination &dst,
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bigtime_t *out_latency, media_node_id *out_id);
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status_t Connected(const media_source &src,
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const media_destination &dst,
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const media_format &format, media_input *out_input);
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void Disconnected(const media_source &src,
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const media_destination &dst);
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status_t FormatChanged(const media_source &src,
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const media_destination &dst, int32 from_change_count,
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const media_format &format);
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protected:
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void HandleBuffer(BBuffer *buffer);
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status_t CreateBuffers(BRect frame, color_space cspace, bool overlay);
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void DeleteBuffers();
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protected:
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VideoView * fVideoView;
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media_input fInput;
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bool fOverlayEnabled;
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bool fOverlayActive;
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bool fDirectOverlayBuffer; // If the overlay memory is directly written by the producer node.
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BBitmap * fBitmap;
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BLocker * fBitmapLocker;
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};
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#endif // __VIDEO_NODE_H_
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