mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-10-03 01:02:19 +00:00
decklinkvideosrc: Add automatic mode detection
https://bugzilla.gnome.org/show_bug.cgi?id=739284
This commit is contained in:
Florian Langlois
Sebastian Dröge
parent
9dcf650a17
commit
9480d91ad4
4 changed files with 178 additions and 11 deletions
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@ -38,6 +38,8 @@ gst_decklink_mode_get_type (void)
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{
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static gsize id = 0;
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static const GEnumValue modes[] = {
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{GST_DECKLINK_MODE_AUTO, "auto", "Automatic detection"},
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{GST_DECKLINK_MODE_NTSC, "ntsc", "NTSC SD 60i"},
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{GST_DECKLINK_MODE_NTSC2398, "ntsc2398", "NTSC SD 60i (24 fps)"},
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{GST_DECKLINK_MODE_PAL, "pal", "PAL SD 50i"},
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@ -140,6 +142,8 @@ gst_decklink_audio_connection_get_type (void)
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#define HD 1, 1, false, true
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static const GstDecklinkMode modes[] = {
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{bmdModeNTSC, 720, 486, 30000, 1001, true, NTSC}, // default is ntsc
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{bmdModeNTSC, 720, 486, 30000, 1001, true, NTSC},
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{bmdModeNTSC2398, 720, 486, 24000, 1001, true, NTSC},
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{bmdModePAL, 720, 576, 25, 1, true, PAL},
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@ -181,11 +185,113 @@ static const GstDecklinkMode modes[] = {
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const GstDecklinkMode *
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gst_decklink_get_mode (GstDecklinkModeEnum e)
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{
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if (e < GST_DECKLINK_MODE_NTSC || e > GST_DECKLINK_MODE_3184p60)
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if (e < GST_DECKLINK_MODE_AUTO || e > GST_DECKLINK_MODE_3184p60)
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return NULL;
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return &modes[e];
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}
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const GstDecklinkModeEnum
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gst_decklink_get_mode_enum_from_bmd (BMDDisplayMode mode)
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{
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GstDecklinkModeEnum displayMode = GST_DECKLINK_MODE_NTSC;
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switch (mode) {
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case bmdModeNTSC:
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displayMode = GST_DECKLINK_MODE_NTSC;
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break;
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case bmdModeNTSC2398:
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displayMode = GST_DECKLINK_MODE_NTSC2398;
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break;
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case bmdModePAL:
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displayMode = GST_DECKLINK_MODE_PAL;
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break;
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case bmdModeNTSCp:
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displayMode = GST_DECKLINK_MODE_NTSC_P;
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break;
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case bmdModePALp:
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displayMode = GST_DECKLINK_MODE_PAL_P;
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break;
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case bmdModeHD1080p2398:
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displayMode = GST_DECKLINK_MODE_1080p2398;
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break;
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case bmdModeHD1080p24:
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displayMode = GST_DECKLINK_MODE_1080p24;
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break;
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case bmdModeHD1080p25:
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displayMode = GST_DECKLINK_MODE_1080p25;
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break;
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case bmdModeHD1080p2997:
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displayMode = GST_DECKLINK_MODE_1080p2997;
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break;
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case bmdModeHD1080p30:
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displayMode = GST_DECKLINK_MODE_1080p30;
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break;
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case bmdModeHD1080i50:
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displayMode = GST_DECKLINK_MODE_1080i50;
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break;
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case bmdModeHD1080i5994:
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displayMode = GST_DECKLINK_MODE_1080i5994;
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break;
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case bmdModeHD1080i6000:
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displayMode = GST_DECKLINK_MODE_1080i60;
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break;
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case bmdModeHD1080p50:
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displayMode = GST_DECKLINK_MODE_1080p50;
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break;
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case bmdModeHD1080p5994:
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displayMode = GST_DECKLINK_MODE_1080p5994;
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break;
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case bmdModeHD1080p6000:
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displayMode = GST_DECKLINK_MODE_1080p60;
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break;
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case bmdModeHD720p50:
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displayMode = GST_DECKLINK_MODE_720p50;
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break;
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case bmdModeHD720p5994:
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displayMode = GST_DECKLINK_MODE_720p5994;
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break;
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case bmdModeHD720p60:
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displayMode = GST_DECKLINK_MODE_720p60;
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break;
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case bmdMode2k2398:
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displayMode = GST_DECKLINK_MODE_2048p2398;
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break;
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case bmdMode2k24:
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displayMode = GST_DECKLINK_MODE_2048p24;
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break;
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case bmdMode2k25:
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displayMode = GST_DECKLINK_MODE_2048p25;
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break;
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case bmdMode4K2160p2398:
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displayMode = GST_DECKLINK_MODE_3184p2398;
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break;
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case bmdMode4K2160p24:
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displayMode = GST_DECKLINK_MODE_3184p24;
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break;
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case bmdMode4K2160p25:
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displayMode = GST_DECKLINK_MODE_3184p25;
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break;
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case bmdMode4K2160p2997:
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displayMode = GST_DECKLINK_MODE_3184p2997;
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break;
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case bmdMode4K2160p30:
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displayMode = GST_DECKLINK_MODE_3184p30;
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break;
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case bmdMode4K2160p50:
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displayMode = GST_DECKLINK_MODE_3184p50;
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break;
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case bmdMode4K2160p5994:
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displayMode = GST_DECKLINK_MODE_3184p5994;
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break;
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case bmdMode4K2160p60:
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displayMode = GST_DECKLINK_MODE_3184p60;
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break;
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default:
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g_assert_not_reached ();
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break;
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}
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return displayMode;
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}
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static const BMDVideoConnection connections[] = {
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0, /* auto */
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bmdVideoConnectionSDI,
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@ -346,9 +452,21 @@ public:
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virtual HRESULT STDMETHODCALLTYPE
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VideoInputFormatChanged (BMDVideoInputFormatChangedEvents,
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IDeckLinkDisplayMode *, BMDDetectedVideoInputFormatFlags)
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IDeckLinkDisplayMode * mode, BMDDetectedVideoInputFormatFlags)
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{
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GST_FIXME ("Video input format change not supported yet");
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GST_INFO ("Video input format changed");
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g_mutex_lock (&m_input->lock);
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m_input->input->PauseStreams ();
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m_input->input->EnableVideoInput (mode->GetDisplayMode (),
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bmdFormat8BitYUV, bmdVideoInputEnableFormatDetection);
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m_input->input->FlushStreams ();
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m_input->input->StartStreams ();
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m_input->mode =
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gst_decklink_get_mode (gst_decklink_get_mode_enum_from_bmd
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(mode->GetDisplayMode ()));
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g_mutex_unlock (&m_input->lock);
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return S_OK;
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}
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@ -362,7 +480,9 @@ public:
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if (m_input->got_video_frame) {
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GstClockTime capture_time = clock_time -
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gst_element_get_base_time (m_input->videosrc);
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m_input->got_video_frame (m_input->videosrc, video_frame, capture_time);
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m_input->got_video_frame (m_input->videosrc, video_frame,
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gst_decklink_get_mode_enum_from_bmd (m_input->mode->mode),
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capture_time);
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}
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if (m_input->got_audio_packet) {
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@ -493,6 +613,12 @@ init_devices (gpointer data)
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GST_WARNING ("selected device does not have config interface");
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}
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ret = decklink->QueryInterface (IID_IDeckLinkAttributes,
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(void **) &devices[i].input.attributes);
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if (ret != S_OK) {
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GST_WARNING ("selected device does not have attributes interface");
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}
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ret = iterator->Next (&decklink);
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i++;
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@ -44,6 +44,8 @@
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#endif /* _MSC_VER */
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typedef enum {
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GST_DECKLINK_MODE_AUTO,
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GST_DECKLINK_MODE_NTSC,
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GST_DECKLINK_MODE_NTSC2398,
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GST_DECKLINK_MODE_PAL,
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@ -122,6 +124,7 @@ struct _GstDecklinkMode {
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};
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const GstDecklinkMode * gst_decklink_get_mode (GstDecklinkModeEnum e);
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const GstDecklinkModeEnum gst_decklink_get_mode_enum_from_bmd (BMDDisplayMode mode);
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const BMDVideoConnection gst_decklink_get_connection (GstDecklinkConnectionEnum e);
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GstCaps * gst_decklink_mode_get_caps (GstDecklinkModeEnum e);
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GstCaps * gst_decklink_mode_get_template_caps (void);
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@ -152,13 +155,14 @@ struct _GstDecklinkInput {
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IDeckLink *device;
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IDeckLinkInput *input;
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IDeckLinkConfiguration *config;
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IDeckLinkAttributes *attributes;
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GstClock *clock;
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/* Everything below protected by mutex */
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GMutex lock;
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/* Set by the video source */
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void (*got_video_frame) (GstElement *videosrc, IDeckLinkVideoInputFrame * frame, GstClockTime capture_time);
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void (*got_video_frame) (GstElement *videosrc, IDeckLinkVideoInputFrame * frame, GstDecklinkModeEnum mode, GstClockTime capture_time);
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/* Configured mode or NULL */
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const GstDecklinkMode *mode;
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@ -29,7 +29,7 @@
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GST_DEBUG_CATEGORY_STATIC (gst_decklink_video_src_debug);
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#define GST_CAT_DEFAULT gst_decklink_video_src_debug
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#define DEFAULT_MODE (GST_DECKLINK_MODE_NTSC)
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#define DEFAULT_MODE (GST_DECKLINK_MODE_AUTO)
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#define DEFAULT_CONNECTION (GST_DECKLINK_CONNECTION_AUTO)
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#define DEFAULT_BUFFER_SIZE (5)
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@ -46,6 +46,7 @@ typedef struct
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{
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IDeckLinkVideoInputFrame *frame;
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GstClockTime capture_time;
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GstDecklinkModeEnum mode;
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} CaptureFrame;
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static void
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@ -169,6 +170,7 @@ static void
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gst_decklink_video_src_init (GstDecklinkVideoSrc * self)
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{
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self->mode = DEFAULT_MODE;
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self->caps_mode = DEFAULT_MODE;
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self->connection = DEFAULT_CONNECTION;
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self->device_number = 0;
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self->buffer_size = DEFAULT_BUFFER_SIZE;
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@ -249,7 +251,7 @@ gst_decklink_video_src_get_caps (GstBaseSrc * bsrc, GstCaps * filter)
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GstDecklinkVideoSrc *self = GST_DECKLINK_VIDEO_SRC_CAST (bsrc);
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GstCaps *mode_caps, *caps;
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mode_caps = gst_decklink_mode_get_caps (self->mode);
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mode_caps = gst_decklink_mode_get_caps (self->caps_mode);
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if (filter) {
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caps =
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gst_caps_intersect_full (filter, mode_caps, GST_CAPS_INTERSECT_FIRST);
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@ -263,7 +265,8 @@ gst_decklink_video_src_get_caps (GstBaseSrc * bsrc, GstCaps * filter)
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static void
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gst_decklink_video_src_got_frame (GstElement * element,
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IDeckLinkVideoInputFrame * frame, GstClockTime capture_time)
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IDeckLinkVideoInputFrame * frame, GstDecklinkModeEnum mode,
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GstClockTime capture_time)
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{
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GstDecklinkVideoSrc *self = GST_DECKLINK_VIDEO_SRC_CAST (element);
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@ -284,6 +287,7 @@ gst_decklink_video_src_got_frame (GstElement * element,
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f = (CaptureFrame *) g_malloc0 (sizeof (CaptureFrame));
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f->frame = frame;
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f->capture_time = capture_time;
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f->mode = mode;
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frame->AddRef ();
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g_queue_push_tail (&self->current_frames, f);
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g_cond_signal (&self->cond);
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@ -301,6 +305,7 @@ gst_decklink_video_src_create (GstPushSrc * bsrc, GstBuffer ** buffer)
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VideoFrame *vf;
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CaptureFrame *f;
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GstClockTime timestamp, duration;
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GstCaps *caps;
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g_mutex_lock (&self->lock);
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while (g_queue_is_empty (&self->current_frames) && !self->flushing) {
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@ -316,6 +321,14 @@ gst_decklink_video_src_create (GstPushSrc * bsrc, GstBuffer ** buffer)
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return GST_FLOW_FLUSHING;
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}
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if (self->caps_mode != f->mode) {
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self->caps_mode = f->mode;
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caps = gst_decklink_mode_get_caps (self->caps_mode);
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gst_video_info_from_caps (&self->info, caps);
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gst_base_src_set_caps (GST_BASE_SRC_CAST (bsrc), caps);
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gst_caps_unref (caps);
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}
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f->frame->GetBytes ((gpointer *) & data);
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data_size = self->info.size;
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@ -362,7 +375,7 @@ gst_decklink_video_src_query (GstBaseSrc * bsrc, GstQuery * query)
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GstClockTime min, max;
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const GstDecklinkMode *mode;
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mode = gst_decklink_get_mode (self->mode);
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mode = gst_decklink_get_mode (self->caps_mode);
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min = gst_util_uint64_scale_ceil (GST_SECOND, mode->fps_d, mode->fps_n);
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max = self->buffer_size * min;
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@ -414,6 +427,8 @@ static gboolean
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gst_decklink_video_src_open (GstDecklinkVideoSrc * self)
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{
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const GstDecklinkMode *mode;
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BMDVideoInputFlags flags;
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bool autoDetection;
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GstCaps *caps;
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HRESULT ret;
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@ -446,11 +461,31 @@ gst_decklink_video_src_open (GstDecklinkVideoSrc * self)
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}
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}
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flags = bmdVideoInputFlagDefault;
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if (self->mode == GST_DECKLINK_MODE_AUTO) {
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if (self->input->attributes) {
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ret =
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self->input->
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attributes->GetFlag (BMDDeckLinkSupportsInputFormatDetection,
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&autoDetection);
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if (ret != S_OK) {
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GST_ERROR_OBJECT (self, "Failed to get attribute (autodetection)");
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return FALSE;
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}
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if (autoDetection)
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flags |= bmdVideoInputEnableFormatDetection;
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}
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if (!autoDetection) {
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GST_ERROR_OBJECT (self, "Failed to activate auto-detection");
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return FALSE;
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}
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}
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mode = gst_decklink_get_mode (self->mode);
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g_assert (mode != NULL);
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ret = self->input->input->EnableVideoInput (mode->mode,
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bmdFormat8BitYUV, bmdVideoOutputFlagDefault);
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bmdFormat8BitYUV, flags);
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if (ret != S_OK) {
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GST_WARNING_OBJECT (self, "Failed to enable video input");
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gst_decklink_release_nth_input (self->device_number,
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@ -463,7 +498,8 @@ gst_decklink_video_src_open (GstDecklinkVideoSrc * self)
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self->input->got_video_frame = gst_decklink_video_src_got_frame;
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g_mutex_unlock (&self->input->lock);
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caps = gst_decklink_mode_get_caps (self->mode);
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self->caps_mode = gst_decklink_get_mode_enum_from_bmd (mode->mode);
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caps = gst_decklink_mode_get_caps (self->caps_mode);
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gst_video_info_from_caps (&self->info, caps);
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gst_caps_unref (caps);
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@ -51,6 +51,7 @@ struct _GstDecklinkVideoSrc
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GstPushSrc parent;
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GstDecklinkModeEnum mode;
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GstDecklinkModeEnum caps_mode;
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GstDecklinkConnectionEnum connection;
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gint device_number;
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