1 /* BlackMagic SDI driver */
8 #define INT64_C(c) c ## LL
11 #include <vlc_common.h>
12 #include <vlc_plugin.h>
13 #include <vlc_input.h>
14 #include <vlc_demux.h>
15 #include <vlc_access.h>
16 #include <vlc_picture.h>
17 #include <vlc_charset.h>
20 #include "DeckLinkAPI.h"
21 #include "DeckLinkAPIDispatch.cpp"
23 static int Open ( vlc_object_t * );
24 static void Close( vlc_object_t * );
26 #define CACHING_TEXT N_("Caching value in ms")
27 #define CACHING_LONGTEXT N_( \
28 "Caching value for SDI captures. This " \
29 "value should be set in milliseconds." )
32 set_shortname( N_("SDI") )
33 set_description( N_("BlackMagic SDI input") )
34 set_category( CAT_INPUT )
35 set_subcategory( SUBCAT_INPUT_ACCESS )
37 add_integer( "sdi-caching", DEFAULT_PTS_DELAY / 1000, NULL,
38 CACHING_TEXT, CACHING_LONGTEXT, true )
41 set_capability( "access_demux", 10 )
42 set_callbacks( Open, Close )
45 static int Demux ( demux_t * );
46 static int Control( demux_t *, int, va_list );
48 class DeckLinkCaptureDelegate;
53 IDeckLinkInput *p_input;
54 DeckLinkCaptureDelegate *p_delegate;
58 class DeckLinkCaptureDelegate : public IDeckLinkInputCallback
61 DeckLinkCaptureDelegate( demux_t *p_demux ) : p_demux_(p_demux) {}
64 virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, LPVOID *ppv) { return E_NOINTERFACE; }
65 virtual ULONG STDMETHODCALLTYPE AddRef(void) { return 1; }
66 virtual ULONG STDMETHODCALLTYPE Release(void) { return 1; }
68 virtual HRESULT STDMETHODCALLTYPE VideoInputFormatChanged(BMDVideoInputFormatChangedEvents, IDeckLinkDisplayMode*, BMDDetectedVideoInputFormatFlags);
69 virtual HRESULT STDMETHODCALLTYPE VideoInputFrameArrived(IDeckLinkVideoInputFrame*, IDeckLinkAudioInputPacket*);
75 HRESULT DeckLinkCaptureDelegate::VideoInputFormatChanged(BMDVideoInputFormatChangedEvents events, IDeckLinkDisplayMode *mode, BMDDetectedVideoInputFormatFlags)
77 msg_Dbg( p_demux_, "Video input format changed" );
81 HRESULT DeckLinkCaptureDelegate::VideoInputFrameArrived(IDeckLinkVideoInputFrame* videoFrame, IDeckLinkAudioInputPacket* audioFrame)
83 msg_Dbg( p_demux_, "Received a frame" );
87 static int Open( vlc_object_t *p_this )
89 demux_t *p_demux = (demux_t*)p_this;
92 /* Only when selected */
93 if( *p_demux->psz_access == '\0' )
97 p_demux->pf_demux = Demux;
98 p_demux->pf_control = Control;
99 p_demux->info.i_update = 0;
100 p_demux->info.i_title = 0;
101 p_demux->info.i_seekpoint = 0;
102 p_demux->p_sys = p_sys = (demux_sys_t*)calloc( 1, sizeof( demux_sys_t ) );
106 msg_Dbg( p_demux, "hello world" );
108 IDeckLinkIterator *decklink_iterator = CreateDeckLinkIteratorInstance();
109 if ( !decklink_iterator ) {
110 msg_Err( p_demux, "DeckLink drivers not found." );
111 // FIXME: Leak here and several other error paths.
116 result = decklink_iterator->Next( &p_sys->p_card );
118 if ( result != S_OK ) {
119 msg_Err( p_demux, "No DeckLink PCI cards found" );
123 if ( p_sys->p_card->QueryInterface(IID_IDeckLinkInput, (void**)&p_sys->p_input) != S_OK ) {
124 msg_Err( p_demux, "Card has no inputs" );
128 p_sys->p_delegate = new DeckLinkCaptureDelegate( p_demux );
129 p_sys->p_input->SetCallback( p_sys->p_delegate );
131 result = p_sys->p_input->EnableVideoInput(bmdModePAL, bmdFormat8BitYUV, 0);
132 if ( result != S_OK ) {
133 msg_Err( p_demux, "Failed to enable video input" );
138 result = p_sys->p_input->StartStreams();
139 if ( result != S_OK ) {
140 msg_Err( p_demux, "Failed to start streams" );
144 /*eDeclare elementary streams */
146 es_format_Init( &fmt, VIDEO_ES, VLC_CODEC_YUYV );
147 fmt.video.i_width = 720;
148 fmt.video.i_height = 576;
149 fmt.video.i_sar_num = 1;
150 fmt.video.i_sar_den = 1;
152 msg_Dbg( p_demux, "added new video es %4.4s %dx%d",
153 (char*)&fmt.i_codec, fmt.video.i_width, fmt.video.i_height );
154 p_sys->p_es = es_out_Add( p_demux->out, &fmt );
156 /* Update default_pts to a suitable value for access */
157 var_Create( p_demux, "sdi-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
162 static void Close( vlc_object_t *p_this )
164 demux_t *p_demux = (demux_t *)p_this;
165 demux_sys_t *p_sys = p_demux->p_sys;
170 static int Control( demux_t *p_demux, int i_query, va_list args )
177 /* Special for access_demux */
178 case DEMUX_CAN_PAUSE:
180 case DEMUX_CAN_CONTROL_PACE:
181 pb = (bool*)va_arg( args, bool * );
185 case DEMUX_GET_PTS_DELAY:
186 pi64 = (int64_t*)va_arg( args, int64_t * );
187 *pi64 = var_GetInteger( p_demux, "sdi-caching" ) * 1000;
191 pi64 = (int64_t*)va_arg( args, int64_t * );
192 *pi64 = mdate(); // FIXME
195 /* TODO implement others */
203 static int Demux( demux_t *p_demux )
205 demux_sys_t *p_sys = p_demux->p_sys;