/* -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 #include #include #include #include #include "gstdecklinksrc.h" #include "capture.h" #define GST_CAT_DEFAULT gst_decklink_src_debug_category IDeckLink *deckLink; IDeckLinkInput *deckLinkInput; IDeckLinkDisplayModeIterator *displayModeIterator; static BMDTimecodeFormat g_timecodeFormat = (BMDTimecodeFormat)0; DeckLinkCaptureDelegate::DeckLinkCaptureDelegate ():m_refCount (0) { m_mutex = g_mutex_new(); } DeckLinkCaptureDelegate::~DeckLinkCaptureDelegate () { g_mutex_free (m_mutex); } ULONG DeckLinkCaptureDelegate::AddRef (void) { g_mutex_lock (m_mutex); m_refCount++; g_mutex_unlock (m_mutex); return (ULONG) m_refCount; } ULONG DeckLinkCaptureDelegate::Release (void) { g_mutex_lock (m_mutex); m_refCount--; g_mutex_unlock (m_mutex); if (m_refCount == 0) { delete this; return 0; } return (ULONG) m_refCount; } HRESULT DeckLinkCaptureDelegate::VideoInputFrameArrived (IDeckLinkVideoInputFrame * videoFrame, IDeckLinkAudioInputPacket * audioFrame) { GstDecklinkSrc *decklinksrc; g_return_val_if_fail (priv != NULL, S_OK); g_return_val_if_fail (GST_IS_DECKLINK_SRC (priv), S_OK); decklinksrc = GST_DECKLINK_SRC (priv); // Handle Video Frame if (videoFrame) { if (videoFrame->GetFlags () & bmdFrameHasNoInputSource) { GST_DEBUG ("Frame received - No input signal detected"); } else { const char *timecodeString = NULL; if (g_timecodeFormat != 0) { IDeckLinkTimecode *timecode; if (videoFrame->GetTimecode (g_timecodeFormat, &timecode) == S_OK) { timecode->GetString (&timecodeString); CONVERT_COM_STRING (timecodeString); } } GST_DEBUG ("Frame received [%s] - %s - Size: %li bytes", timecodeString != NULL ? timecodeString : "No timecode", "Valid Frame", videoFrame->GetRowBytes () * videoFrame->GetHeight ()); if (timecodeString) FREE_COM_STRING (timecodeString); g_mutex_lock (decklinksrc->mutex); if (decklinksrc->video_frame != NULL) { decklinksrc->dropped_frames++; } else { videoFrame->AddRef (); decklinksrc->video_frame = videoFrame; if (audioFrame) { audioFrame->AddRef (); decklinksrc->audio_frame = audioFrame; } } /* increment regardless whether frame was dropped or not */ decklinksrc->frame_num++; g_cond_signal (decklinksrc->cond); g_mutex_unlock (decklinksrc->mutex); } } return S_OK; } HRESULT DeckLinkCaptureDelegate::VideoInputFormatChanged (BMDVideoInputFormatChangedEvents events, IDeckLinkDisplayMode * mode, BMDDetectedVideoInputFormatFlags) { GST_ERROR ("moo"); return S_OK; }