/* GStreamer * Copyright (C) 2011 David Schleef * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin Street, Suite 500, * Boston, MA 02110-1335, USA. */ /** * SECTION:element-gstdecklinksink * * The decklinksink element is a sink element for BlackMagic DeckLink * cards. * * * Example launch line * |[ * gst-launch -v videotestsrc ! decklinksink * ]| * */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include "gstdecklinksink.h" #include GST_DEBUG_CATEGORY_STATIC (gst_decklink_sink_debug_category); #define GST_CAT_DEFAULT gst_decklink_sink_debug_category /* prototypes */ static void gst_decklink_sink_set_property (GObject * object, guint property_id, const GValue * value, GParamSpec * pspec); static void gst_decklink_sink_get_property (GObject * object, guint property_id, GValue * value, GParamSpec * pspec); static void gst_decklink_sink_dispose (GObject * object); static void gst_decklink_sink_finalize (GObject * object); static GstStateChangeReturn gst_decklink_sink_change_state (GstElement * element, GstStateChange transition); static GstClock *gst_decklink_sink_provide_clock (GstElement * element); static gboolean gst_decklink_sink_set_clock (GstElement * element, GstClock * clock); static GstIndex *gst_decklink_sink_get_index (GstElement * element); static void gst_decklink_sink_set_index (GstElement * element, GstIndex * index); static gboolean gst_decklink_sink_send_event (GstElement * element, GstEvent * event); static gboolean gst_decklink_sink_query (GstElement * element, GstQuery * query); static GstCaps *gst_decklink_sink_videosink_getcaps (GstPad * pad); static gboolean gst_decklink_sink_videosink_setcaps (GstPad * pad, GstCaps * caps); static gboolean gst_decklink_sink_videosink_acceptcaps (GstPad * pad, GstCaps * caps); static gboolean gst_decklink_sink_videosink_activate (GstPad * pad); static gboolean gst_decklink_sink_videosink_activatepush (GstPad * pad, gboolean active); static gboolean gst_decklink_sink_videosink_activatepull (GstPad * pad, gboolean active); static GstPadLinkReturn gst_decklink_sink_videosink_link (GstPad * pad, GstPad * peer); static GstFlowReturn gst_decklink_sink_videosink_chain (GstPad * pad, GstBuffer * buffer); static GstFlowReturn gst_decklink_sink_videosink_chainlist (GstPad * pad, GstBufferList * bufferlist); static gboolean gst_decklink_sink_videosink_event (GstPad * pad, GstEvent * event); static gboolean gst_decklink_sink_videosink_query (GstPad * pad, GstQuery * query); static GstFlowReturn gst_decklink_sink_videosink_bufferalloc (GstPad * pad, guint64 offset, guint size, GstCaps * caps, GstBuffer ** buf); static GstIterator *gst_decklink_sink_videosink_iterintlink (GstPad * pad); static GstCaps *gst_decklink_sink_audiosink_getcaps (GstPad * pad); static gboolean gst_decklink_sink_audiosink_setcaps (GstPad * pad, GstCaps * caps); static gboolean gst_decklink_sink_audiosink_acceptcaps (GstPad * pad, GstCaps * caps); static gboolean gst_decklink_sink_audiosink_activate (GstPad * pad); static gboolean gst_decklink_sink_audiosink_activatepush (GstPad * pad, gboolean active); static gboolean gst_decklink_sink_audiosink_activatepull (GstPad * pad, gboolean active); static GstPadLinkReturn gst_decklink_sink_audiosink_link (GstPad * pad, GstPad * peer); static GstFlowReturn gst_decklink_sink_audiosink_chain (GstPad * pad, GstBuffer * buffer); static GstFlowReturn gst_decklink_sink_audiosink_chainlist (GstPad * pad, GstBufferList * bufferlist); static gboolean gst_decklink_sink_audiosink_event (GstPad * pad, GstEvent * event); static gboolean gst_decklink_sink_audiosink_query (GstPad * pad, GstQuery * query); static GstFlowReturn gst_decklink_sink_audiosink_bufferalloc (GstPad * pad, guint64 offset, guint size, GstCaps * caps, GstBuffer ** buf); static GstIterator *gst_decklink_sink_audiosink_iterintlink (GstPad * pad); enum { PROP_0 }; /* pad templates */ #define MODE(w,h,n,d,i) \ "video/x-raw-yuv,format=(fourcc)UYVY,width=" #w ",height=" #h \ ",framerate=" #n "/" #d ",interlaced=" #i static GstStaticPadTemplate gst_decklink_sink_videosink_template = GST_STATIC_PAD_TEMPLATE ("videosink", GST_PAD_SINK, GST_PAD_ALWAYS, GST_STATIC_CAPS ( MODE(720,486,30000,1001,true) )); #if 0 MODE(720,486,24000,1001,true) ";" MODE(720,576,25,1,true) ";" MODE(1920,1080,24000,1001,false) ";" MODE(1920,1080,24,1,false) ";" MODE(1920,1080,25,1,false) ";" MODE(1920,1080,30000,1001,false) ";" MODE(1920,1080,30,1,false) ";" MODE(1920,1080,25,1,true) ";" MODE(1920,1080,30000,1001,true) ";" MODE(1920,1080,30,1,true) ";" MODE(1280,720,50,1,true) ";" MODE(1280,720,60000,1001,true) ";" MODE(1280,720,60,1,true) #endif static GstStaticPadTemplate gst_decklink_sink_audiosink_template = GST_STATIC_PAD_TEMPLATE ("audiosink", GST_PAD_SINK, GST_PAD_ALWAYS, GST_STATIC_CAPS ("audio/x-raw-int,width=16,depth=16,channels=2,rate=48000") ); typedef struct _DecklinkMode DecklinkMode; struct _DecklinkMode { BMDDisplayMode mode; int width; int height; int fps_n; int fps_d; gboolean interlaced; }; static DecklinkMode modes[] = { { bmdModeNTSC, 720,486,30000,1001,true }, { bmdModeNTSC2398, 720,486,24000,1001,true }, { bmdModePAL, 720,576,25,1,true }, { bmdModeHD1080p2398, 1920,1080,24000,1001,false }, { bmdModeHD1080p24, 1920,1080,24,1,false }, { bmdModeHD1080p25, 1920,1080,25,1,false }, { bmdModeHD1080p2997, 1920,1080,30000,1001,false }, { bmdModeHD1080p30, 1920,1080,30,1,false }, { bmdModeHD1080i50, 1920,1080,25,1,true }, { bmdModeHD1080i5994, 1920,1080,30000,1001,true }, { bmdModeHD1080i6000, 1920,1080,30,1,true }, { bmdModeHD720p50, 1280,720,50,1,true }, { bmdModeHD720p5994, 1280,720,60000,1001,true }, { bmdModeHD720p60, 1280,720,60,1,true } }; /* class initialization */ #define DEBUG_INIT(bla) \ GST_DEBUG_CATEGORY_INIT (gst_decklink_sink_debug_category, "decklinksink", 0, \ "debug category for decklinksink element"); GST_BOILERPLATE_FULL (GstDecklinkSink, gst_decklink_sink, GstElement, GST_TYPE_ELEMENT, DEBUG_INIT); static void gst_decklink_sink_base_init (gpointer g_class) { GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); gst_element_class_add_pad_template (element_class, gst_static_pad_template_get (&gst_decklink_sink_videosink_template)); gst_element_class_add_pad_template (element_class, gst_static_pad_template_get (&gst_decklink_sink_audiosink_template)); gst_element_class_set_details_simple (element_class, "Decklink Sink", "Video/Sink", "Decklink Sink", "David Schleef "); } static void gst_decklink_sink_class_init (GstDecklinkSinkClass * klass) { GObjectClass *gobject_class = G_OBJECT_CLASS (klass); GstElementClass *element_class = GST_ELEMENT_CLASS (klass); gobject_class->set_property = gst_decklink_sink_set_property; gobject_class->get_property = gst_decklink_sink_get_property; gobject_class->dispose = gst_decklink_sink_dispose; gobject_class->finalize = gst_decklink_sink_finalize; element_class->change_state = GST_DEBUG_FUNCPTR (gst_decklink_sink_change_state); element_class->provide_clock = GST_DEBUG_FUNCPTR (gst_decklink_sink_provide_clock); element_class->set_clock = GST_DEBUG_FUNCPTR (gst_decklink_sink_set_clock); element_class->get_index = GST_DEBUG_FUNCPTR (gst_decklink_sink_get_index); element_class->set_index = GST_DEBUG_FUNCPTR (gst_decklink_sink_set_index); element_class->send_event = GST_DEBUG_FUNCPTR (gst_decklink_sink_send_event); element_class->query = GST_DEBUG_FUNCPTR (gst_decklink_sink_query); } static void gst_decklink_sink_init (GstDecklinkSink * decklinksink, GstDecklinkSinkClass * decklinksink_class) { decklinksink->videosinkpad = gst_pad_new_from_static_template (&gst_decklink_sink_videosink_template, "sink"); gst_pad_set_getcaps_function (decklinksink->videosinkpad, GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_getcaps)); gst_pad_set_setcaps_function (decklinksink->videosinkpad, GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_setcaps)); gst_pad_set_acceptcaps_function (decklinksink->videosinkpad, GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_acceptcaps)); gst_pad_set_activate_function (decklinksink->videosinkpad, GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_activate)); gst_pad_set_activatepush_function (decklinksink->videosinkpad, GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_activatepush)); gst_pad_set_activatepull_function (decklinksink->videosinkpad, GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_activatepull)); gst_pad_set_link_function (decklinksink->videosinkpad, GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_link)); gst_pad_set_chain_function (decklinksink->videosinkpad, GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_chain)); gst_pad_set_chain_list_function (decklinksink->videosinkpad, GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_chainlist)); gst_pad_set_event_function (decklinksink->videosinkpad, GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_event)); gst_pad_set_query_function (decklinksink->videosinkpad, GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_query)); gst_pad_set_bufferalloc_function (decklinksink->videosinkpad, GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_bufferalloc)); gst_pad_set_iterate_internal_links_function (decklinksink->videosinkpad, GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_iterintlink)); gst_element_add_pad (GST_ELEMENT (decklinksink), decklinksink->videosinkpad); decklinksink->audiosinkpad = gst_pad_new_from_static_template (&gst_decklink_sink_audiosink_template, "audiosink"); gst_pad_set_getcaps_function (decklinksink->audiosinkpad, GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_getcaps)); gst_pad_set_setcaps_function (decklinksink->audiosinkpad, GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_setcaps)); gst_pad_set_acceptcaps_function (decklinksink->audiosinkpad, GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_acceptcaps)); gst_pad_set_activate_function (decklinksink->audiosinkpad, GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_activate)); gst_pad_set_activatepush_function (decklinksink->audiosinkpad, GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_activatepush)); gst_pad_set_activatepull_function (decklinksink->audiosinkpad, GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_activatepull)); gst_pad_set_link_function (decklinksink->audiosinkpad, GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_link)); gst_pad_set_chain_function (decklinksink->audiosinkpad, GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_chain)); gst_pad_set_chain_list_function (decklinksink->audiosinkpad, GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_chainlist)); gst_pad_set_event_function (decklinksink->audiosinkpad, GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_event)); gst_pad_set_query_function (decklinksink->audiosinkpad, GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_query)); gst_pad_set_bufferalloc_function (decklinksink->audiosinkpad, GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_bufferalloc)); gst_pad_set_iterate_internal_links_function (decklinksink->audiosinkpad, GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_iterintlink)); gst_element_add_pad (GST_ELEMENT (decklinksink), decklinksink->audiosinkpad); decklinksink->cond = g_cond_new(); decklinksink->mutex = g_mutex_new(); decklinksink->mode = 0; decklinksink->width = modes[decklinksink->mode].width; decklinksink->height = modes[decklinksink->mode].height; decklinksink->fps_n = modes[decklinksink->mode].fps_n; decklinksink->fps_d = modes[decklinksink->mode].fps_d; decklinksink->interlaced = modes[decklinksink->mode].interlaced; decklinksink->bmd_mode = modes[decklinksink->mode].mode; decklinksink->callback = new Output; decklinksink->callback->decklinksink = decklinksink; } void gst_decklink_sink_set_property (GObject * object, guint property_id, const GValue * value, GParamSpec * pspec) { GstDecklinkSink *decklinksink; g_return_if_fail (GST_IS_DECKLINK_SINK (object)); decklinksink = GST_DECKLINK_SINK (object); switch (property_id) { default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); break; } } void gst_decklink_sink_get_property (GObject * object, guint property_id, GValue * value, GParamSpec * pspec) { GstDecklinkSink *decklinksink; g_return_if_fail (GST_IS_DECKLINK_SINK (object)); decklinksink = GST_DECKLINK_SINK (object); switch (property_id) { default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); break; } } void gst_decklink_sink_dispose (GObject * object) { GstDecklinkSink *decklinksink; g_return_if_fail (GST_IS_DECKLINK_SINK (object)); decklinksink = GST_DECKLINK_SINK (object); /* clean up as possible. may be called multiple times */ G_OBJECT_CLASS (parent_class)->dispose (object); } void gst_decklink_sink_finalize (GObject * object) { GstDecklinkSink *decklinksink; g_return_if_fail (GST_IS_DECKLINK_SINK (object)); decklinksink = GST_DECKLINK_SINK (object); /* clean up object here */ g_cond_free (decklinksink->cond); g_mutex_free (decklinksink->mutex); delete decklinksink->callback; G_OBJECT_CLASS (parent_class)->finalize (object); } static gboolean gst_decklink_sink_start (GstDecklinkSink *decklinksink) { IDeckLinkIterator *iterator; HRESULT ret; IDeckLinkDisplayModeIterator *mode_iterator; IDeckLinkDisplayMode *mode; BMDTimeValue fps_n; BMDTimeScale fps_d; iterator = CreateDeckLinkIteratorInstance (); if (iterator == NULL) { GST_ERROR("no driver"); return FALSE; } ret = iterator->Next (&decklinksink->decklink); if (ret != S_OK) { GST_ERROR("no card"); return FALSE; } ret = decklinksink->decklink->QueryInterface (IID_IDeckLinkOutput, (void **)&decklinksink->output); if (ret != S_OK) { GST_ERROR ("no output"); return FALSE; } decklinksink->output->SetAudioCallback (decklinksink->callback); ret = decklinksink->output->GetDisplayModeIterator (&mode_iterator); if (ret != S_OK) { GST_ERROR ("failed to get display mode iterator"); return FALSE; } while (mode_iterator->Next (&mode) == S_OK) { break; } if (!mode) { GST_ERROR ("bad mode"); return FALSE; } decklinksink->width = mode->GetWidth (); decklinksink->height = mode->GetHeight (); mode->GetFrameRate (&fps_n, &fps_d); decklinksink->fps_n = fps_n; decklinksink->fps_d = fps_d; decklinksink->display_mode = mode->GetDisplayMode (); ret = decklinksink->output->EnableVideoOutput (decklinksink->display_mode, bmdVideoOutputFlagDefault); if (ret != S_OK) { GST_ERROR ("failed to enable video output"); return FALSE; } //decklinksink->video_enabled = TRUE; decklinksink->output->SetScheduledFrameCompletionCallback (decklinksink->callback); if (0) { ret = decklinksink->output->EnableAudioOutput (bmdAudioSampleRate48kHz, 16, 2, bmdAudioOutputStreamContinuous); if (ret != S_OK) { GST_ERROR ("failed to enable audio output"); return FALSE; } } decklinksink->num_frames = 0; return TRUE; } static gboolean gst_decklink_sink_force_stop (GstDecklinkSink *decklinksink) { g_mutex_lock (decklinksink->mutex); decklinksink->stop = TRUE; g_cond_signal (decklinksink->cond); g_mutex_unlock (decklinksink->mutex); return TRUE; } static gboolean gst_decklink_sink_stop (GstDecklinkSink *decklinksink) { decklinksink->output->StopScheduledPlayback (0, NULL, 0); decklinksink->output->DisableAudioOutput (); decklinksink->output->DisableVideoOutput (); return TRUE; } static GstStateChangeReturn gst_decklink_sink_change_state (GstElement * element, GstStateChange transition) { GstDecklinkSink *decklinksink; GstStateChangeReturn ret; g_return_val_if_fail (GST_IS_DECKLINK_SINK (element), GST_STATE_CHANGE_FAILURE); decklinksink = GST_DECKLINK_SINK (element); switch (transition) { case GST_STATE_CHANGE_NULL_TO_READY: if (!gst_decklink_sink_start (decklinksink)) { ret = GST_STATE_CHANGE_FAILURE; goto out; } break; case GST_STATE_CHANGE_READY_TO_PAUSED: break; case GST_STATE_CHANGE_PAUSED_TO_PLAYING: break; default: break; } ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); switch (transition) { case GST_STATE_CHANGE_PLAYING_TO_PAUSED: gst_decklink_sink_force_stop (decklinksink); break; case GST_STATE_CHANGE_PAUSED_TO_READY: break; case GST_STATE_CHANGE_READY_TO_NULL: gst_decklink_sink_stop (decklinksink); break; default: break; } out: return ret; } static GstClock * gst_decklink_sink_provide_clock (GstElement * element) { return NULL; } static gboolean gst_decklink_sink_set_clock (GstElement * element, GstClock * clock) { return TRUE; } static GstIndex * gst_decklink_sink_get_index (GstElement * element) { return NULL; } static void gst_decklink_sink_set_index (GstElement * element, GstIndex * index) { } static gboolean gst_decklink_sink_send_event (GstElement * element, GstEvent * event) { return TRUE; } static gboolean gst_decklink_sink_query (GstElement * element, GstQuery * query) { return FALSE; } static GstCaps * gst_decklink_sink_videosink_getcaps (GstPad * pad) { GstDecklinkSink *decklinksink; GstCaps *caps; decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad)); GST_DEBUG_OBJECT (decklinksink, "getcaps"); caps = gst_caps_copy (gst_pad_get_pad_template_caps (pad)); gst_object_unref (decklinksink); return caps; } static gboolean gst_decklink_sink_videosink_setcaps (GstPad * pad, GstCaps * caps) { GstDecklinkSink *decklinksink; decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad)); GST_DEBUG_OBJECT (decklinksink, "setcaps"); gst_object_unref (decklinksink); return TRUE; } static gboolean gst_decklink_sink_videosink_acceptcaps (GstPad * pad, GstCaps * caps) { GstDecklinkSink *decklinksink; decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad)); GST_DEBUG_OBJECT (decklinksink, "acceptcaps"); gst_object_unref (decklinksink); return TRUE; } static gboolean gst_decklink_sink_videosink_activate (GstPad * pad) { GstDecklinkSink *decklinksink; gboolean ret; decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad)); GST_DEBUG_OBJECT (decklinksink, "activate"); if (gst_pad_check_pull_range (pad)) { GST_DEBUG_OBJECT (pad, "activating pull"); ret = gst_pad_activate_pull (pad, TRUE); } else { GST_DEBUG_OBJECT (pad, "activating push"); ret = gst_pad_activate_push (pad, TRUE); } gst_object_unref (decklinksink); return ret; } static gboolean gst_decklink_sink_videosink_activatepush (GstPad * pad, gboolean active) { GstDecklinkSink *decklinksink; decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad)); GST_DEBUG_OBJECT (decklinksink, "activatepush"); gst_object_unref (decklinksink); return TRUE; } static gboolean gst_decklink_sink_videosink_activatepull (GstPad * pad, gboolean active) { GstDecklinkSink *decklinksink; decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad)); GST_DEBUG_OBJECT (decklinksink, "activatepull"); gst_object_unref (decklinksink); return TRUE; } static GstPadLinkReturn gst_decklink_sink_videosink_link (GstPad * pad, GstPad * peer) { GstDecklinkSink *decklinksink; decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad)); GST_DEBUG_OBJECT (decklinksink, "link"); gst_object_unref (decklinksink); return GST_PAD_LINK_OK; } static GstFlowReturn gst_decklink_sink_videosink_chain (GstPad * pad, GstBuffer * buffer) { GstDecklinkSink *decklinksink; IDeckLinkMutableVideoFrame *frame; void *data; GstFlowReturn ret; decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad)); GST_DEBUG_OBJECT (decklinksink, "chain"); #if 0 if (!decklinksink->video_enabled) { HRESULT ret; ret = decklinksink->output->EnableVideoOutput (decklinksink->display_mode, bmdVideoOutputFlagDefault); if (ret != S_OK) { GST_ERROR ("failed to enable video output"); //return FALSE; } decklinksink->video_enabled = TRUE; } #endif decklinksink->output->CreateVideoFrame (decklinksink->width, decklinksink->height, decklinksink->width * 2, bmdFormat8BitYUV, bmdFrameFlagDefault, &frame); frame->GetBytes (&data); memcpy (data, GST_BUFFER_DATA (buffer), GST_BUFFER_SIZE (buffer)); gst_buffer_unref (buffer); g_mutex_lock (decklinksink->mutex); while (decklinksink->queued_frames > 2 && !decklinksink->stop) { g_cond_wait (decklinksink->cond, decklinksink->mutex); } if (!decklinksink->stop) { decklinksink->queued_frames++; } g_mutex_unlock (decklinksink->mutex); if (!decklinksink->stop) { decklinksink->output->ScheduleVideoFrame (frame, decklinksink->num_frames * decklinksink->fps_n, decklinksink->fps_n, decklinksink->fps_d); decklinksink->num_frames++; if (!decklinksink->sched_started) { decklinksink->output->StartScheduledPlayback (0, 100, 1.0); decklinksink->sched_started = TRUE; } ret = GST_FLOW_OK; } else { ret = GST_FLOW_WRONG_STATE; } frame->Release (); gst_object_unref (decklinksink); return ret; } static GstFlowReturn gst_decklink_sink_videosink_chainlist (GstPad * pad, GstBufferList * bufferlist) { GstDecklinkSink *decklinksink; decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad)); GST_DEBUG_OBJECT (decklinksink, "chainlist"); gst_object_unref (decklinksink); return GST_FLOW_OK; } static gboolean gst_decklink_sink_videosink_event (GstPad * pad, GstEvent * event) { gboolean res; GstDecklinkSink *decklinksink; decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad)); GST_DEBUG_OBJECT (decklinksink, "event"); switch (GST_EVENT_TYPE (event)) { default: res = gst_pad_event_default (pad, event); break; } gst_object_unref (decklinksink); return res; } static gboolean gst_decklink_sink_videosink_query (GstPad * pad, GstQuery * query) { gboolean res; GstDecklinkSink *decklinksink; decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad)); GST_DEBUG_OBJECT (decklinksink, "query"); switch (GST_QUERY_TYPE (query)) { default: res = gst_pad_query_default (pad, query); break; } gst_object_unref (decklinksink); return res; } static GstFlowReturn gst_decklink_sink_videosink_bufferalloc (GstPad * pad, guint64 offset, guint size, GstCaps * caps, GstBuffer ** buf) { GstDecklinkSink *decklinksink; decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad)); GST_DEBUG_OBJECT (decklinksink, "bufferalloc"); *buf = gst_buffer_new_and_alloc (size); gst_buffer_set_caps (*buf, caps); gst_object_unref (decklinksink); return GST_FLOW_OK; } static GstIterator * gst_decklink_sink_videosink_iterintlink (GstPad * pad) { GstDecklinkSink *decklinksink; GstIterator *iter; decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad)); GST_DEBUG_OBJECT (decklinksink, "iterintlink"); iter = gst_pad_iterate_internal_links_default (pad); gst_object_unref (decklinksink); return iter; } static GstCaps * gst_decklink_sink_audiosink_getcaps (GstPad * pad) { GstDecklinkSink *decklinksink; GstCaps *caps; decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad)); GST_DEBUG_OBJECT (decklinksink, "getcaps"); caps = gst_caps_copy (gst_pad_get_pad_template_caps (pad)); gst_object_unref (decklinksink); return caps; } static gboolean gst_decklink_sink_audiosink_setcaps (GstPad * pad, GstCaps * caps) { GstDecklinkSink *decklinksink; decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad)); GST_DEBUG_OBJECT (decklinksink, "setcaps"); gst_object_unref (decklinksink); return TRUE; } static gboolean gst_decklink_sink_audiosink_acceptcaps (GstPad * pad, GstCaps * caps) { GstDecklinkSink *decklinksink; decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad)); GST_DEBUG_OBJECT (decklinksink, "acceptcaps"); gst_object_unref (decklinksink); return TRUE; } static gboolean gst_decklink_sink_audiosink_activate (GstPad * pad) { GstDecklinkSink *decklinksink; gboolean ret; decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad)); GST_DEBUG_OBJECT (decklinksink, "activate"); if (gst_pad_check_pull_range (pad)) { GST_DEBUG_OBJECT (pad, "activating pull"); ret = gst_pad_activate_pull (pad, TRUE); } else { GST_DEBUG_OBJECT (pad, "activating push"); ret = gst_pad_activate_push (pad, TRUE); } gst_object_unref (decklinksink); return ret; } static gboolean gst_decklink_sink_audiosink_activatepush (GstPad * pad, gboolean active) { GstDecklinkSink *decklinksink; decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad)); GST_DEBUG_OBJECT (decklinksink, "activatepush"); gst_object_unref (decklinksink); return TRUE; } static gboolean gst_decklink_sink_audiosink_activatepull (GstPad * pad, gboolean active) { GstDecklinkSink *decklinksink; decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad)); GST_DEBUG_OBJECT (decklinksink, "activatepull"); gst_object_unref (decklinksink); return TRUE; } static GstPadLinkReturn gst_decklink_sink_audiosink_link (GstPad * pad, GstPad * peer) { GstDecklinkSink *decklinksink; decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad)); GST_DEBUG_OBJECT (decklinksink, "link"); gst_object_unref (decklinksink); return GST_PAD_LINK_OK; } static GstFlowReturn gst_decklink_sink_audiosink_chain (GstPad * pad, GstBuffer * buffer) { GstDecklinkSink *decklinksink; decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad)); GST_DEBUG_OBJECT (decklinksink, "chain"); gst_object_unref (decklinksink); return GST_FLOW_OK; } static GstFlowReturn gst_decklink_sink_audiosink_chainlist (GstPad * pad, GstBufferList * bufferlist) { GstDecklinkSink *decklinksink; decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad)); GST_DEBUG_OBJECT (decklinksink, "chainlist"); gst_object_unref (decklinksink); return GST_FLOW_OK; } static gboolean gst_decklink_sink_audiosink_event (GstPad * pad, GstEvent * event) { gboolean res; GstDecklinkSink *decklinksink; decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad)); GST_DEBUG_OBJECT (decklinksink, "event"); switch (GST_EVENT_TYPE (event)) { default: res = gst_pad_event_default (pad, event); break; } gst_object_unref (decklinksink); return res; } static gboolean gst_decklink_sink_audiosink_query (GstPad * pad, GstQuery * query) { gboolean res; GstDecklinkSink *decklinksink; decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad)); GST_DEBUG_OBJECT (decklinksink, "query"); switch (GST_QUERY_TYPE (query)) { default: res = gst_pad_query_default (pad, query); break; } gst_object_unref (decklinksink); return res; } static GstFlowReturn gst_decklink_sink_audiosink_bufferalloc (GstPad * pad, guint64 offset, guint size, GstCaps * caps, GstBuffer ** buf) { GstDecklinkSink *decklinksink; decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad)); GST_DEBUG_OBJECT (decklinksink, "bufferalloc"); *buf = gst_buffer_new_and_alloc (size); gst_buffer_set_caps (*buf, caps); gst_object_unref (decklinksink); return GST_FLOW_OK; } static GstIterator * gst_decklink_sink_audiosink_iterintlink (GstPad * pad) { GstDecklinkSink *decklinksink; GstIterator *iter; decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad)); GST_DEBUG_OBJECT (decklinksink, "iterintlink"); iter = gst_pad_iterate_internal_links_default (pad); gst_object_unref (decklinksink); return iter; } HRESULT Output::ScheduledFrameCompleted (IDeckLinkVideoFrame * completedFrame, BMDOutputFrameCompletionResult result) { GST_DEBUG("ScheduledFrameCompleted"); g_mutex_lock (decklinksink->mutex); g_cond_signal (decklinksink->cond); decklinksink->queued_frames--; g_mutex_unlock (decklinksink->mutex); return S_OK; } HRESULT Output::ScheduledPlaybackHasStopped () { GST_ERROR("ScheduledPlaybackHasStopped"); return S_OK; } HRESULT Output::RenderAudioSamples (bool preroll) { GST_ERROR("RenderAudioSamples"); return S_OK; }