mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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1041 lines
28 KiB
C++
1041 lines
28 KiB
C++
/* GStreamer
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* Copyright (C) 2011 David Schleef <ds@entropywave.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
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* Boston, MA 02110-1335, USA.
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*/
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/**
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* SECTION:element-gstdecklinksink
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*
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* The decklinksink element is a sink element for BlackMagic DeckLink
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* cards.
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*
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* <refsect2>
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* <title>Example launch line</title>
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* |[
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* gst-launch -v videotestsrc ! decklinksink
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* ]|
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* </refsect2>
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/gst.h>
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#include <gst/gst.h>
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#include "gstdecklink.h"
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#include "gstdecklinksink.h"
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#include <string.h>
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GST_DEBUG_CATEGORY_STATIC (gst_decklink_sink_debug_category);
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#define GST_CAT_DEFAULT gst_decklink_sink_debug_category
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/* prototypes */
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static void gst_decklink_sink_set_property (GObject * object,
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guint property_id, const GValue * value, GParamSpec * pspec);
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static void gst_decklink_sink_get_property (GObject * object,
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guint property_id, GValue * value, GParamSpec * pspec);
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static void gst_decklink_sink_dispose (GObject * object);
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static void gst_decklink_sink_finalize (GObject * object);
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static GstStateChangeReturn
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gst_decklink_sink_change_state (GstElement * element,
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GstStateChange transition);
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static GstClock *gst_decklink_sink_provide_clock (GstElement * element);
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static gboolean gst_decklink_sink_set_clock (GstElement * element,
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GstClock * clock);
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static GstIndex *gst_decklink_sink_get_index (GstElement * element);
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static void gst_decklink_sink_set_index (GstElement * element,
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GstIndex * index);
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static gboolean gst_decklink_sink_send_event (GstElement * element,
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GstEvent * event);
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static gboolean gst_decklink_sink_query (GstElement * element,
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GstQuery * query);
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static GstCaps *gst_decklink_sink_videosink_getcaps (GstPad * pad);
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static gboolean gst_decklink_sink_videosink_setcaps (GstPad * pad,
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GstCaps * caps);
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static gboolean gst_decklink_sink_videosink_acceptcaps (GstPad * pad,
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GstCaps * caps);
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static gboolean gst_decklink_sink_videosink_activate (GstPad * pad);
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static gboolean gst_decklink_sink_videosink_activatepush (GstPad * pad,
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gboolean active);
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static gboolean gst_decklink_sink_videosink_activatepull (GstPad * pad,
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gboolean active);
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static GstPadLinkReturn gst_decklink_sink_videosink_link (GstPad * pad,
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GstPad * peer);
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static GstFlowReturn gst_decklink_sink_videosink_chain (GstPad * pad,
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GstBuffer * buffer);
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static GstFlowReturn gst_decklink_sink_videosink_chainlist (GstPad * pad,
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GstBufferList * bufferlist);
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static gboolean gst_decklink_sink_videosink_event (GstPad * pad,
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GstEvent * event);
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static gboolean gst_decklink_sink_videosink_query (GstPad * pad,
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GstQuery * query);
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static GstFlowReturn gst_decklink_sink_videosink_bufferalloc (GstPad * pad,
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guint64 offset, guint size, GstCaps * caps, GstBuffer ** buf);
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static GstIterator *gst_decklink_sink_videosink_iterintlink (GstPad * pad);
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static GstCaps *gst_decklink_sink_audiosink_getcaps (GstPad * pad);
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static gboolean gst_decklink_sink_audiosink_setcaps (GstPad * pad,
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GstCaps * caps);
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static gboolean gst_decklink_sink_audiosink_acceptcaps (GstPad * pad,
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GstCaps * caps);
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static gboolean gst_decklink_sink_audiosink_activate (GstPad * pad);
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static gboolean gst_decklink_sink_audiosink_activatepush (GstPad * pad,
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gboolean active);
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static gboolean gst_decklink_sink_audiosink_activatepull (GstPad * pad,
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gboolean active);
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static GstPadLinkReturn gst_decklink_sink_audiosink_link (GstPad * pad,
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GstPad * peer);
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static GstFlowReturn gst_decklink_sink_audiosink_chain (GstPad * pad,
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GstBuffer * buffer);
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static GstFlowReturn gst_decklink_sink_audiosink_chainlist (GstPad * pad,
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GstBufferList * bufferlist);
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static gboolean gst_decklink_sink_audiosink_event (GstPad * pad,
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GstEvent * event);
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static gboolean gst_decklink_sink_audiosink_query (GstPad * pad,
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GstQuery * query);
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static GstFlowReturn gst_decklink_sink_audiosink_bufferalloc (GstPad * pad,
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guint64 offset, guint size, GstCaps * caps, GstBuffer ** buf);
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static GstIterator *gst_decklink_sink_audiosink_iterintlink (GstPad * pad);
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enum
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{
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PROP_0,
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PROP_MODE
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};
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/* pad templates */
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static GstStaticPadTemplate gst_decklink_sink_videosink_template =
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GST_STATIC_PAD_TEMPLATE ("videosink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_DECKLINK_CAPS));
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static GstStaticPadTemplate gst_decklink_sink_audiosink_template =
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GST_STATIC_PAD_TEMPLATE ("audiosink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-raw-int,width=16,depth=16,channels=2,rate=48000")
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);
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/* class initialization */
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#define DEBUG_INIT(bla) \
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GST_DEBUG_CATEGORY_INIT (gst_decklink_sink_debug_category, "decklinksink", 0, \
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"debug category for decklinksink element");
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GST_BOILERPLATE_FULL (GstDecklinkSink, gst_decklink_sink, GstElement,
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GST_TYPE_ELEMENT, DEBUG_INIT);
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static void
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gst_decklink_sink_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_decklink_sink_videosink_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_decklink_sink_audiosink_template));
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gst_element_class_set_details_simple (element_class, "Decklink Sink",
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"Video/Sink", "Decklink Sink", "David Schleef <ds@entropywave.com>");
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}
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static void
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gst_decklink_sink_class_init (GstDecklinkSinkClass * klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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gobject_class->set_property = gst_decklink_sink_set_property;
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gobject_class->get_property = gst_decklink_sink_get_property;
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gobject_class->dispose = gst_decklink_sink_dispose;
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gobject_class->finalize = gst_decklink_sink_finalize;
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element_class->change_state =
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GST_DEBUG_FUNCPTR (gst_decklink_sink_change_state);
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element_class->provide_clock =
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GST_DEBUG_FUNCPTR (gst_decklink_sink_provide_clock);
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element_class->set_clock = GST_DEBUG_FUNCPTR (gst_decklink_sink_set_clock);
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element_class->get_index = GST_DEBUG_FUNCPTR (gst_decklink_sink_get_index);
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element_class->set_index = GST_DEBUG_FUNCPTR (gst_decklink_sink_set_index);
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element_class->send_event = GST_DEBUG_FUNCPTR (gst_decklink_sink_send_event);
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element_class->query = GST_DEBUG_FUNCPTR (gst_decklink_sink_query);
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g_object_class_install_property (gobject_class, PROP_MODE,
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g_param_spec_enum ("mode", "Mode", "Mode",
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GST_TYPE_DECKLINK_MODE, GST_DECKLINK_MODE_NTSC,
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(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
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G_PARAM_CONSTRUCT)));
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}
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static void
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gst_decklink_sink_init (GstDecklinkSink * decklinksink,
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GstDecklinkSinkClass * decklinksink_class)
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{
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decklinksink->videosinkpad =
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gst_pad_new_from_static_template (&gst_decklink_sink_videosink_template,
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"sink");
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gst_pad_set_getcaps_function (decklinksink->videosinkpad,
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GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_getcaps));
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gst_pad_set_setcaps_function (decklinksink->videosinkpad,
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GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_setcaps));
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gst_pad_set_acceptcaps_function (decklinksink->videosinkpad,
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GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_acceptcaps));
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gst_pad_set_activate_function (decklinksink->videosinkpad,
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GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_activate));
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gst_pad_set_activatepush_function (decklinksink->videosinkpad,
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GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_activatepush));
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gst_pad_set_activatepull_function (decklinksink->videosinkpad,
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GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_activatepull));
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gst_pad_set_link_function (decklinksink->videosinkpad,
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GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_link));
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gst_pad_set_chain_function (decklinksink->videosinkpad,
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GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_chain));
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gst_pad_set_chain_list_function (decklinksink->videosinkpad,
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GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_chainlist));
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gst_pad_set_event_function (decklinksink->videosinkpad,
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GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_event));
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gst_pad_set_query_function (decklinksink->videosinkpad,
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GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_query));
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gst_pad_set_bufferalloc_function (decklinksink->videosinkpad,
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GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_bufferalloc));
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gst_pad_set_iterate_internal_links_function (decklinksink->videosinkpad,
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GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_iterintlink));
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gst_element_add_pad (GST_ELEMENT (decklinksink), decklinksink->videosinkpad);
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decklinksink->audiosinkpad =
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gst_pad_new_from_static_template (&gst_decklink_sink_audiosink_template,
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"audiosink");
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gst_pad_set_getcaps_function (decklinksink->audiosinkpad,
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GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_getcaps));
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gst_pad_set_setcaps_function (decklinksink->audiosinkpad,
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GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_setcaps));
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gst_pad_set_acceptcaps_function (decklinksink->audiosinkpad,
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GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_acceptcaps));
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gst_pad_set_activate_function (decklinksink->audiosinkpad,
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GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_activate));
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gst_pad_set_activatepush_function (decklinksink->audiosinkpad,
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GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_activatepush));
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gst_pad_set_activatepull_function (decklinksink->audiosinkpad,
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GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_activatepull));
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gst_pad_set_link_function (decklinksink->audiosinkpad,
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GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_link));
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gst_pad_set_chain_function (decklinksink->audiosinkpad,
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GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_chain));
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gst_pad_set_chain_list_function (decklinksink->audiosinkpad,
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GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_chainlist));
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gst_pad_set_event_function (decklinksink->audiosinkpad,
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GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_event));
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gst_pad_set_query_function (decklinksink->audiosinkpad,
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GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_query));
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gst_pad_set_bufferalloc_function (decklinksink->audiosinkpad,
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GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_bufferalloc));
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gst_pad_set_iterate_internal_links_function (decklinksink->audiosinkpad,
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GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_iterintlink));
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gst_element_add_pad (GST_ELEMENT (decklinksink), decklinksink->audiosinkpad);
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decklinksink->cond = g_cond_new ();
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decklinksink->mutex = g_mutex_new ();
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decklinksink->audio_mutex = g_mutex_new ();
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decklinksink->mode = GST_DECKLINK_MODE_NTSC;
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decklinksink->callback = new Output;
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decklinksink->callback->decklinksink = decklinksink;
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}
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void
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gst_decklink_sink_set_property (GObject * object, guint property_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstDecklinkSink *decklinksink;
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g_return_if_fail (GST_IS_DECKLINK_SINK (object));
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decklinksink = GST_DECKLINK_SINK (object);
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switch (property_id) {
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case PROP_MODE:
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decklinksink->mode = (GstDecklinkModeEnum) g_value_get_enum (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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void
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gst_decklink_sink_get_property (GObject * object, guint property_id,
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GValue * value, GParamSpec * pspec)
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{
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GstDecklinkSink *decklinksink;
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g_return_if_fail (GST_IS_DECKLINK_SINK (object));
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decklinksink = GST_DECKLINK_SINK (object);
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switch (property_id) {
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case PROP_MODE:
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g_value_set_enum (value, decklinksink->mode);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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void
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gst_decklink_sink_dispose (GObject * object)
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{
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g_return_if_fail (GST_IS_DECKLINK_SINK (object));
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/* clean up as possible. may be called multiple times */
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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void
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gst_decklink_sink_finalize (GObject * object)
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{
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GstDecklinkSink *decklinksink;
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g_return_if_fail (GST_IS_DECKLINK_SINK (object));
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decklinksink = GST_DECKLINK_SINK (object);
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/* clean up object here */
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g_cond_free (decklinksink->cond);
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g_mutex_free (decklinksink->mutex);
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g_mutex_free (decklinksink->audio_mutex);
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delete decklinksink->callback;
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static gboolean
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gst_decklink_sink_start (GstDecklinkSink * decklinksink)
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{
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IDeckLinkIterator *iterator;
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HRESULT ret;
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const GstDecklinkMode *mode;
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iterator = CreateDeckLinkIteratorInstance ();
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if (iterator == NULL) {
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GST_ERROR ("no driver");
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return FALSE;
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}
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ret = iterator->Next (&decklinksink->decklink);
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if (ret != S_OK) {
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GST_ERROR ("no card");
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return FALSE;
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}
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ret = decklinksink->decklink->QueryInterface (IID_IDeckLinkOutput,
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(void **) &decklinksink->output);
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if (ret != S_OK) {
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GST_ERROR ("no output");
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return FALSE;
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}
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decklinksink->output->SetAudioCallback (decklinksink->callback);
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mode = gst_decklink_get_mode (decklinksink->mode);
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ret = decklinksink->output->EnableVideoOutput (mode->mode,
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bmdVideoOutputFlagDefault);
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if (ret != S_OK) {
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GST_ERROR ("failed to enable video output");
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return FALSE;
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}
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//decklinksink->video_enabled = TRUE;
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decklinksink->output->
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SetScheduledFrameCompletionCallback (decklinksink->callback);
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ret = decklinksink->output->EnableAudioOutput (bmdAudioSampleRate48kHz,
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16, 2, bmdAudioOutputStreamContinuous);
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if (ret != S_OK) {
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GST_ERROR ("failed to enable audio output");
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return FALSE;
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}
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decklinksink->audio_buffer = gst_buffer_new ();
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decklinksink->num_frames = 0;
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return TRUE;
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}
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static gboolean
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gst_decklink_sink_force_stop (GstDecklinkSink * decklinksink)
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{
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g_mutex_lock (decklinksink->mutex);
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decklinksink->stop = TRUE;
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g_cond_signal (decklinksink->cond);
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g_mutex_unlock (decklinksink->mutex);
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return TRUE;
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}
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static gboolean
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gst_decklink_sink_stop (GstDecklinkSink * decklinksink)
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{
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decklinksink->output->StopScheduledPlayback (0, NULL, 0);
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decklinksink->output->DisableAudioOutput ();
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decklinksink->output->DisableVideoOutput ();
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return TRUE;
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}
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static GstStateChangeReturn
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gst_decklink_sink_change_state (GstElement * element, GstStateChange transition)
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{
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GstDecklinkSink *decklinksink;
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GstStateChangeReturn ret;
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|
|
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_decklink_mode_get_caps (decklinksink->mode);
|
|
|
|
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;
|
|
const GstDecklinkMode *mode;
|
|
|
|
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
|
|
|
|
mode = gst_decklink_get_mode (decklinksink->mode);
|
|
|
|
decklinksink->output->CreateVideoFrame (mode->width,
|
|
mode->height, mode->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 * mode->fps_d, mode->fps_d, mode->fps_n);
|
|
decklinksink->num_frames++;
|
|
|
|
if (!decklinksink->sched_started) {
|
|
decklinksink->output->StartScheduledPlayback (0, mode->fps_d, 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;
|
|
GstFlowReturn ret;
|
|
|
|
decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));
|
|
|
|
GST_DEBUG_OBJECT (decklinksink, "chain");
|
|
|
|
// concatenate both buffers
|
|
g_mutex_lock (decklinksink->audio_mutex);
|
|
decklinksink->audio_buffer =
|
|
gst_buffer_join (decklinksink->audio_buffer, buffer);
|
|
g_mutex_unlock (decklinksink->audio_mutex);
|
|
|
|
// GST_DEBUG("Audio Buffer Size: %d", GST_BUFFER_SIZE (decklinksink->audio_buffer));
|
|
|
|
gst_object_unref (decklinksink);
|
|
|
|
ret = GST_FLOW_OK;
|
|
return ret;
|
|
}
|
|
|
|
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)
|
|
{
|
|
guint
|
|
samplesWritten;
|
|
GstBuffer *
|
|
buffer;
|
|
|
|
// guint64 samplesToWrite;
|
|
|
|
if (decklinksink->stop) {
|
|
GST_DEBUG ("decklinksink->stop set TRUE!");
|
|
decklinksink->output->BeginAudioPreroll ();
|
|
// running = true;
|
|
} else {
|
|
g_mutex_lock (decklinksink->audio_mutex);
|
|
decklinksink->output->ScheduleAudioSamples (GST_BUFFER_DATA (decklinksink->audio_buffer), GST_BUFFER_SIZE (decklinksink->audio_buffer) / 4, // 2 bytes per sample, stereo
|
|
0, 0, &samplesWritten);
|
|
|
|
buffer =
|
|
gst_buffer_new_and_alloc (GST_BUFFER_SIZE (decklinksink->audio_buffer) -
|
|
(samplesWritten * 4));
|
|
|
|
memcpy (GST_BUFFER_DATA (buffer),
|
|
GST_BUFFER_DATA (decklinksink->audio_buffer) + (samplesWritten * 4),
|
|
GST_BUFFER_SIZE (decklinksink->audio_buffer) - (samplesWritten * 4));
|
|
|
|
gst_buffer_unref (decklinksink->audio_buffer);
|
|
|
|
decklinksink->audio_buffer = buffer;
|
|
|
|
g_mutex_unlock (decklinksink->audio_mutex);
|
|
|
|
}
|
|
|
|
GST_DEBUG ("RenderAudioSamples");
|
|
|
|
return S_OK;
|
|
}
|