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/* -LICENSE-START-
** Copyright (c) 2009 Blackmagic Design
**
** Permission is hereby granted, free of charge, to any person or organization
** obtaining a copy of the software and accompanying documentation covered by
** this license (the "Software") to use, reproduce, display, distribute,
** execute, and transmit the Software, and to prepare derivative works of the
** Software, and to permit third-parties to whom the Software is furnished to
** do so, all subject to the following:
**
** The copyright notices in the Software and this entire statement, including
** the above license grant, this restriction and the following disclaimer,
** must be included in all copies of the Software, in whole or in part, and
** all derivative works of the Software, unless such copies or derivative
** works are solely in the form of machine-executable object code generated by
** a source language processor.
**
** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
** IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
** FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
** SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
** FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
** ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
** DEALINGS IN THE SOFTWARE.
** -LICENSE-END-
*/
#include "DeckLinkAPI.h"
enum OutputSignal {
kOutputSignalPip = 0,
kOutputSignalDrop = 1
};
class Player : public IDeckLinkVideoOutputCallback, public IDeckLinkAudioOutputCallback
{
public:
Player();
protected:
bool m_running;
IDeckLink* m_deckLink;
IDeckLinkOutput* m_deckLinkOutput;
unsigned long m_frameWidth;
unsigned long m_frameHeight;
BMDTimeValue m_frameDuration;
BMDTimeScale m_frameTimescale;
unsigned long m_framesPerSecond;
unsigned long m_totalFramesScheduled;
OutputSignal m_outputSignal;
unsigned long m_audioBufferSampleLength;
unsigned long m_audioBufferOffset;
unsigned long m_audioChannelCount;
BMDAudioSampleRate m_audioSampleRate;
unsigned long m_audioSampleDepth;
// Generated message map functions
// Signal Generator Implementation
void StartRunning (int videomode);
void StopRunning ();
void ScheduleNextFrame (bool prerolling);
void WriteNextAudioSamples ();
IDeckLinkDisplayMode *GetDisplayModeByIndex(int selectedIndex);
public:
bool Init(int videomode, int connection, int camera);
// *** DeckLink API implementation of IDeckLinkVideoOutputCallback IDeckLinkAudioOutputCallback *** //
// IUnknown needs only a dummy implementation
virtual HRESULT STDMETHODCALLTYPE QueryInterface (REFIID iid, LPVOID *ppv) {return E_NOINTERFACE;}
virtual ULONG STDMETHODCALLTYPE AddRef () {return 1;}
virtual ULONG STDMETHODCALLTYPE Release () {return 1;}
virtual HRESULT STDMETHODCALLTYPE ScheduledFrameCompleted (IDeckLinkVideoFrame* completedFrame, BMDOutputFrameCompletionResult result);
virtual HRESULT STDMETHODCALLTYPE ScheduledPlaybackHasStopped ();
virtual HRESULT STDMETHODCALLTYPE RenderAudioSamples (bool preroll);
};
void FillSine (void* audioBuffer, unsigned long samplesToWrite, unsigned long channels, unsigned long sampleDepth);
void FillColourBars (IDeckLinkVideoFrame* theFrame);
void FillBlack (IDeckLinkVideoFrame* theFrame);