mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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1011 lines
34 KiB
C++
1011 lines
34 KiB
C++
/*
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* GStreamer
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* Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
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* Copyright (C) 2020 Seungha Yang <seungha@centricular.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 St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/**
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* SECTION:element-d3d11compositor
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* @title: d3d11compositor
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*
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* A convenient bin which wraps #d3d11compositorelement for video composition
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* with other helper elements to handle color conversion and memory transfer
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* between Direct3D11 and system memory space.
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*
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* ## Example launch line
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* ```
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* gst-launch-1.0 d3d11compositor name=c ! d3d11videosink \
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* videotestsrc ! video/x-raw,width=320,height=240 ! c. \
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* videotestsrc pattern=ball ! video/x-raw,width=100,height=100 ! c.
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* ```
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*
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* Since: 1.20
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*
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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/controller/gstproxycontrolbinding.h>
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#include "gstd3d11compositorbin.h"
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#include "gstd3d11compositor.h"
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#include "gstd3d11pluginutils.h"
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GST_DEBUG_CATEGORY_EXTERN (gst_d3d11_compositor_debug);
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#define GST_CAT_DEFAULT gst_d3d11_compositor_debug
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/****************************
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* GstD3D11CompositorBinPad *
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****************************/
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enum
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{
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PROP_PAD_0,
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/* GstAggregatorPad */
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PROP_PAD_EMIT_SIGNALS,
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};
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/* GstAggregatorPad */
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#define DEFAULT_PAD_EMIT_SIGNALS FALSE
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enum
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{
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/* GstAggregatorPad */
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SIGNAL_PAD_BUFFER_CONSUMED = 0,
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SIGNAL_PAD_LAST,
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};
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static guint gst_d3d11_compositor_bin_pad_signals[SIGNAL_PAD_LAST] = { 0 };
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/**
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* GstD3D11CompositorBinPad:
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*
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* Since: 1.20
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*/
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struct _GstD3D11CompositorBinPad
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{
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GstGhostPad parent;
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/* Holds ref */
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GstPad *target;
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gulong sig_id;
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};
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static void gst_d3d11_compositor_bin_pad_dispose (GObject * object);
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static void gst_d3d11_compositor_bin_pad_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec);
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static void gst_d3d11_compositor_bin_pad_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec);
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static void
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gst_d3d11_compositor_bin_pad_set_target_default (GstD3D11CompositorBinPad * pad,
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GstPad * target);
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G_DEFINE_TYPE (GstD3D11CompositorBinPad, gst_d3d11_compositor_bin_pad,
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GST_TYPE_GHOST_PAD);
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static void
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gst_d3d11_compositor_bin_pad_class_init (GstD3D11CompositorBinPadClass * klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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gobject_class->dispose = gst_d3d11_compositor_bin_pad_dispose;
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gobject_class->set_property = gst_d3d11_compositor_bin_pad_set_property;
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gobject_class->get_property = gst_d3d11_compositor_bin_pad_get_property;
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/* GstAggregatorPad */
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g_object_class_install_property (gobject_class, PROP_PAD_EMIT_SIGNALS,
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g_param_spec_boolean ("emit-signals", "Emit signals",
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"Send signals to signal data consumption",
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DEFAULT_PAD_EMIT_SIGNALS,
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(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
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gst_d3d11_compositor_bin_pad_signals[SIGNAL_PAD_BUFFER_CONSUMED] =
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g_signal_new ("buffer-consumed", G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_FIRST, 0, NULL, NULL, NULL, G_TYPE_NONE, 1, GST_TYPE_BUFFER);
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klass->set_target =
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GST_DEBUG_FUNCPTR (gst_d3d11_compositor_bin_pad_set_target_default);
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}
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static void
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gst_d3d11_compositor_bin_pad_init (GstD3D11CompositorBinPad * self)
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{
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}
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static void
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gst_d3d11_compositor_bin_pad_dispose (GObject * object)
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{
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GstD3D11CompositorBinPad *self = GST_D3D11_COMPOSITOR_BIN_PAD (object);
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gst_clear_object (&self->target);
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G_OBJECT_CLASS (gst_d3d11_compositor_bin_pad_parent_class)->dispose (object);
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}
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static void
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gst_d3d11_compositor_bin_pad_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec)
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{
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GstD3D11CompositorBinPad *self = GST_D3D11_COMPOSITOR_BIN_PAD (object);
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if (self->target)
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g_object_set_property (G_OBJECT (self->target), pspec->name, value);
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}
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static void
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gst_d3d11_compositor_bin_pad_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec)
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{
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GstD3D11CompositorBinPad *self = GST_D3D11_COMPOSITOR_BIN_PAD (object);
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if (self->target)
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g_object_get_property (G_OBJECT (self->target), pspec->name, value);
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}
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static void
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gst_d3d11_compositor_bin_pad_on_buffer_consumed (GstAggregatorPad * pad,
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GstBuffer * buffer, GstD3D11CompositorBinPad * self)
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{
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g_signal_emit (self,
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gst_d3d11_compositor_bin_pad_signals[SIGNAL_PAD_BUFFER_CONSUMED],
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0, buffer);
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}
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/**
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* gst_d3d11_compositor_bin_pad_set_target:
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* @self: a #GstD3D11CompositorBinPad
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* @target: (transfer full): a #GstAggregatorPad
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*/
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static void
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gst_d3d11_compositor_bin_pad_set_target (GstD3D11CompositorBinPad * pad,
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GstPad * target)
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{
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GstD3D11CompositorBinPadClass *klass =
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GST_D3D11_COMPOSITOR_BIN_PAD_GET_CLASS (pad);
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klass->set_target (pad, target);
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}
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static void
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gst_d3d11_compositor_bin_pad_set_target_default (GstD3D11CompositorBinPad * pad,
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GstPad * target)
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{
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pad->target = target;
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pad->sig_id = g_signal_connect (target, "buffer-consumed",
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G_CALLBACK (gst_d3d11_compositor_bin_pad_on_buffer_consumed), pad);
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}
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static void
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gst_d3d11_compositor_bin_pad_unset_target (GstD3D11CompositorBinPad * self)
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{
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if (!self->target)
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return;
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if (self->sig_id)
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g_signal_handler_disconnect (self->target, self->sig_id);
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self->sig_id = 0;
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gst_clear_object (&self->target);
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}
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/******************************
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* GstD3D11CompositorBinInput *
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******************************/
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enum
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{
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PROP_INPUT_0,
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/* GstVideoAggregatorPad */
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PROP_INPUT_ZORDER,
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PROP_INPUT_REPEAT_AFTER_EOS,
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PROP_INPUT_MAX_LAST_BUFFER_REPEAT,
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/* GstD3D11CompositorPad */
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PROP_INPUT_XPOS,
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PROP_INPUT_YPOS,
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PROP_INPUT_WIDTH,
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PROP_INPUT_HEIGHT,
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PROP_INPUT_ALPHA,
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PROP_INPUT_BLEND_OP_RGB,
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PROP_INPUT_BLEND_OP_ALPHA,
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PROP_INPUT_BLEND_SRC_RGB,
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PROP_INPUT_BLEND_SRC_ALPHA,
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PROP_INPUT_BLEND_DEST_RGB,
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PROP_INPUT_BLEND_DEST_ALPHA,
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PROP_INPUT_BLEND_FACTOR_RED,
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PROP_INPUT_BLEND_FACTOR_GREEN,
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PROP_INPUT_BLEND_FACTOR_BLUE,
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PROP_INPUT_BLEND_FACTOR_ALPHA,
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PROP_INPUT_SIZING_POLICY,
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};
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/* GstVideoAggregatorPad */
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#define DEFAULT_INPUT_ZORDER 0
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#define DEFAULT_INPUT_REPEAT_AFTER_EOS FALSE
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#define DEFAULT_INPUT_MAX_LAST_BUFFER_REPEAT GST_CLOCK_TIME_NONE
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/* GstD3D11CompositorPad */
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#define DEFAULT_INPUT_XPOS 0
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#define DEFAULT_INPUT_YPOS 0
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#define DEFAULT_INPUT_WIDTH 0
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#define DEFAULT_INPUT_HEIGHT 0
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#define DEFAULT_INPUT_ALPHA 1.0
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#define DEFAULT_INPUT_BLEND_OP_RGB GST_D3D11_COMPOSITOR_BLEND_OP_ADD
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#define DEFAULT_INPUT_BLEND_OP_ALPHA GST_D3D11_COMPOSITOR_BLEND_OP_ADD
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#define DEFAULT_INPUT_BLEND_SRC_RGB GST_D3D11_COMPOSITOR_BLEND_SRC_ALPHA
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#define DEFAULT_INPUT_BLEND_SRC_ALPHA GST_D3D11_COMPOSITOR_BLEND_ONE
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#define DEFAULT_INPUT_BLEND_DEST_RGB GST_D3D11_COMPOSITOR_BLEND_INV_SRC_ALPHA
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#define DEFAULT_INPUT_BLEND_DEST_ALPHA GST_D3D11_COMPOSITOR_BLEND_INV_SRC_ALPHA
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#define DEFAULT_INPUT_SIZING_POLICY GST_D3D11_COMPOSITOR_SIZING_POLICY_NONE
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/**
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* GstD3D11CompositorBinInput:
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*
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* Since: 1.20
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*/
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struct _GstD3D11CompositorBinInput
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{
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GstD3D11CompositorBinPad parent;
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};
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static void gst_d3d11_compositor_bin_input_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec);
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static void gst_d3d11_compositor_bin_input_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec);
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static void
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gst_d3d11_compositor_bin_input_set_target (GstD3D11CompositorBinPad * pad,
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GstPad * target);
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#define gst_d3d11_compositor_bin_input_parent_class input_parent_class
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G_DEFINE_TYPE (GstD3D11CompositorBinInput, gst_d3d11_compositor_bin_input,
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GST_TYPE_D3D11_COMPOSITOR_BIN_PAD);
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static void
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gst_d3d11_compositor_bin_input_class_init (GstD3D11CompositorBinInputClass *
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klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GstD3D11CompositorBinPadClass *pad_class =
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GST_D3D11_COMPOSITOR_BIN_PAD_CLASS (klass);
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gobject_class->set_property = gst_d3d11_compositor_bin_input_set_property;
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gobject_class->get_property = gst_d3d11_compositor_bin_input_get_property;
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/* GstVideoAggregatorPad */
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g_object_class_install_property (gobject_class, PROP_INPUT_ZORDER,
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g_param_spec_uint ("zorder", "Z-Order", "Z Order of the picture",
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0, G_MAXUINT, DEFAULT_INPUT_ZORDER,
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(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE |
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G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (gobject_class, PROP_INPUT_REPEAT_AFTER_EOS,
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g_param_spec_boolean ("repeat-after-eos", "Repeat After EOS",
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"Repeat the " "last frame after EOS until all pads are EOS",
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DEFAULT_INPUT_REPEAT_AFTER_EOS,
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(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE |
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G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (gobject_class,
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PROP_INPUT_MAX_LAST_BUFFER_REPEAT,
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g_param_spec_uint64 ("max-last-buffer-repeat", "Max Last Buffer Repeat",
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"Repeat last buffer for time (in ns, -1=until EOS), "
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"behaviour on EOS is not affected", 0, G_MAXUINT64,
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DEFAULT_INPUT_MAX_LAST_BUFFER_REPEAT,
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(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
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G_PARAM_STATIC_STRINGS)));
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/* GstD3D11CompositorPad */
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g_object_class_install_property (gobject_class, PROP_INPUT_XPOS,
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g_param_spec_int ("xpos", "X Position", "X position of the picture",
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G_MININT, G_MAXINT, DEFAULT_INPUT_XPOS,
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(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE |
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G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (gobject_class, PROP_INPUT_YPOS,
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g_param_spec_int ("ypos", "Y Position", "Y position of the picture",
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G_MININT, G_MAXINT, DEFAULT_INPUT_YPOS,
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(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE |
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G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (gobject_class, PROP_INPUT_WIDTH,
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g_param_spec_int ("width", "Width", "Width of the picture",
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G_MININT, G_MAXINT, DEFAULT_INPUT_WIDTH,
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(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE |
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G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (gobject_class, PROP_INPUT_HEIGHT,
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g_param_spec_int ("height", "Height", "Height of the picture",
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G_MININT, G_MAXINT, DEFAULT_INPUT_HEIGHT,
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(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE |
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G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (gobject_class, PROP_INPUT_ALPHA,
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g_param_spec_double ("alpha", "Alpha", "Alpha of the picture", 0.0, 1.0,
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DEFAULT_INPUT_ALPHA,
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(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE |
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G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (gobject_class, PROP_INPUT_BLEND_OP_RGB,
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g_param_spec_enum ("blend-op-rgb", "Blend Operation RGB",
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"Blend equation for RGB", GST_TYPE_D3D11_COMPOSITOR_BLEND_OPERATION,
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DEFAULT_INPUT_BLEND_OP_RGB,
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(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE |
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G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (gobject_class, PROP_INPUT_BLEND_OP_ALPHA,
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g_param_spec_enum ("blend-op-alpha", "Blend Operation Alpha",
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"Blend equation for alpha", GST_TYPE_D3D11_COMPOSITOR_BLEND_OPERATION,
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DEFAULT_INPUT_BLEND_OP_ALPHA,
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(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE |
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G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (gobject_class,
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PROP_INPUT_BLEND_SRC_RGB,
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g_param_spec_enum ("blend-src-rgb", "Blend Source RGB",
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"Blend factor for source RGB",
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GST_TYPE_D3D11_COMPOSITOR_BLEND,
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DEFAULT_INPUT_BLEND_SRC_RGB,
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(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE |
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G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (gobject_class,
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PROP_INPUT_BLEND_SRC_ALPHA,
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g_param_spec_enum ("blend-src-alpha",
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"Blend Source Alpha",
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"Blend factor for source alpha, \"*-color\" values are not allowed",
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GST_TYPE_D3D11_COMPOSITOR_BLEND,
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DEFAULT_INPUT_BLEND_SRC_ALPHA,
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(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE |
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G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (gobject_class,
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PROP_INPUT_BLEND_DEST_RGB,
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g_param_spec_enum ("blend-dest-rgb",
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"Blend Destination RGB",
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"Blend factor for destination RGB",
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GST_TYPE_D3D11_COMPOSITOR_BLEND,
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DEFAULT_INPUT_BLEND_DEST_RGB,
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(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE |
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G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (gobject_class,
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PROP_INPUT_BLEND_DEST_ALPHA,
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g_param_spec_enum ("blend-dest-alpha",
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"Blend Destination Alpha",
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"Blend factor for destination alpha, "
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"\"*-color\" values are not allowed",
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GST_TYPE_D3D11_COMPOSITOR_BLEND,
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DEFAULT_INPUT_BLEND_DEST_ALPHA,
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(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE |
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G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (gobject_class, PROP_INPUT_BLEND_FACTOR_RED,
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g_param_spec_float ("blend-factor-red", "Blend Factor Red",
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"Blend factor for red component "
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"when blend type is \"blend-factor\" or \"inv-blend-factor\"",
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0.0, 1.0, 1.0,
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(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE |
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G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (gobject_class, PROP_INPUT_BLEND_FACTOR_GREEN,
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g_param_spec_float ("blend-factor-green", "Blend Factor Green",
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"Blend factor for green component "
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"when blend type is \"blend-factor\" or \"inv-blend-factor\"",
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0.0, 1.0, 1.0,
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(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE |
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G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (gobject_class, PROP_INPUT_BLEND_FACTOR_BLUE,
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g_param_spec_float ("blend-factor-blue", "Blend Factor Blue",
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"Blend factor for blue component "
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"when blend type is \"blend-factor\" or \"inv-blend-factor\"",
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0.0, 1.0, 1.0,
|
|
(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE |
|
|
G_PARAM_STATIC_STRINGS)));
|
|
|
|
g_object_class_install_property (gobject_class, PROP_INPUT_BLEND_FACTOR_ALPHA,
|
|
g_param_spec_float ("blend-factor-alpha", "Blend Factor Alpha",
|
|
"Blend factor for alpha component "
|
|
"when blend type is \"blend-factor\" or \"inv-blend-factor\"",
|
|
0.0, 1.0, 1.0,
|
|
(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE |
|
|
G_PARAM_STATIC_STRINGS)));
|
|
|
|
g_object_class_install_property (gobject_class, PROP_INPUT_SIZING_POLICY,
|
|
g_param_spec_enum ("sizing-policy", "Sizing policy",
|
|
"Sizing policy to use for image scaling",
|
|
GST_TYPE_D3D11_COMPOSITOR_SIZING_POLICY, DEFAULT_INPUT_SIZING_POLICY,
|
|
(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE |
|
|
G_PARAM_STATIC_STRINGS)));
|
|
|
|
pad_class->set_target =
|
|
GST_DEBUG_FUNCPTR (gst_d3d11_compositor_bin_input_set_target);
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_compositor_bin_input_init (GstD3D11CompositorBinInput * self)
|
|
{
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_compositor_bin_input_set_property (GObject * object,
|
|
guint prop_id, const GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstD3D11CompositorBinPad *pad = GST_D3D11_COMPOSITOR_BIN_PAD (object);
|
|
|
|
if (pad->target)
|
|
g_object_set_property (G_OBJECT (pad->target), pspec->name, value);
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_compositor_bin_input_get_property (GObject * object,
|
|
guint prop_id, GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstD3D11CompositorBinPad *pad = GST_D3D11_COMPOSITOR_BIN_PAD (object);
|
|
|
|
if (pad->target)
|
|
g_object_get_property (G_OBJECT (pad->target), pspec->name, value);
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_compositor_bin_input_set_target (GstD3D11CompositorBinPad * pad,
|
|
GstPad * target)
|
|
{
|
|
GST_D3D11_COMPOSITOR_BIN_PAD_CLASS (input_parent_class)->set_target (pad,
|
|
target);
|
|
|
|
#define ADD_BINDING(obj,ref,prop) \
|
|
gst_object_add_control_binding (GST_OBJECT (obj), \
|
|
gst_proxy_control_binding_new (GST_OBJECT (obj), prop, \
|
|
GST_OBJECT (ref), prop));
|
|
/* GstVideoAggregatorPad */
|
|
ADD_BINDING (target, pad, "zorder");
|
|
ADD_BINDING (target, pad, "repeat-after-eos");
|
|
/* GstD3D11CompositorPad */
|
|
ADD_BINDING (target, pad, "xpos");
|
|
ADD_BINDING (target, pad, "ypos");
|
|
ADD_BINDING (target, pad, "width");
|
|
ADD_BINDING (target, pad, "height");
|
|
ADD_BINDING (target, pad, "alpha");
|
|
ADD_BINDING (target, pad, "blend-op-rgb");
|
|
ADD_BINDING (target, pad, "blend-op-alpha");
|
|
ADD_BINDING (target, pad, "blend-src-rgb");
|
|
ADD_BINDING (target, pad, "blend-src-alpha");
|
|
ADD_BINDING (target, pad, "blend-dest-rgb");
|
|
ADD_BINDING (target, pad, "blend-dest-alpha");
|
|
ADD_BINDING (target, pad, "blend-factor-red");
|
|
ADD_BINDING (target, pad, "blend-factor-green");
|
|
ADD_BINDING (target, pad, "blend-factor-blue");
|
|
ADD_BINDING (target, pad, "blend-factor-alpha");
|
|
ADD_BINDING (target, pad, "sizing-policy");
|
|
#undef ADD_BINDING
|
|
}
|
|
|
|
/*************************
|
|
* GstD3D11CompositorBin *
|
|
*************************/
|
|
|
|
static GstStaticCaps sink_template_caps =
|
|
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE_WITH_FEATURES
|
|
(GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY, GST_D3D11_SINK_FORMATS) ";"
|
|
GST_VIDEO_CAPS_MAKE (GST_D3D11_SINK_FORMATS));
|
|
|
|
static GstStaticCaps src_template_caps =
|
|
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE_WITH_FEATURES
|
|
(GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY, GST_D3D11_SRC_FORMATS) ";"
|
|
GST_VIDEO_CAPS_MAKE (GST_D3D11_SRC_FORMATS));
|
|
|
|
enum
|
|
{
|
|
PROP_0,
|
|
PROP_MIXER,
|
|
/* GstAggregator */
|
|
PROP_LATENCY,
|
|
PROP_MIN_UPSTREAM_LATENCY,
|
|
PROP_START_TIME_SELECTION,
|
|
PROP_START_TIME,
|
|
PROP_EMIT_SIGNALS,
|
|
/* GstD3D11Compositor */
|
|
PROP_ADAPTER,
|
|
PROP_BACKGROUND,
|
|
PROP_LAST
|
|
};
|
|
|
|
/* GstAggregator */
|
|
#define DEFAULT_LATENCY 0
|
|
#define DEFAULT_MIN_UPSTREAM_LATENCY 0
|
|
#define DEFAULT_START_TIME_SELECTION GST_AGGREGATOR_START_TIME_SELECTION_ZERO
|
|
#define DEFAULT_START_TIME (-1)
|
|
#define DEFAULT_EMIT_SIGNALS FALSE
|
|
|
|
/* GstD3D11Compositor */
|
|
#define DEFAULT_ADAPTER -1
|
|
#define DEFAULT_BACKGROUND GST_D3D11_COMPOSITOR_BACKGROUND_CHECKER
|
|
|
|
typedef struct _GstD3D11CompositorBinChain
|
|
{
|
|
/* without ref */
|
|
GstD3D11CompositorBin *self;
|
|
GstD3D11CompositorBinPad *ghost_pad;
|
|
GstElement *upload;
|
|
GstElement *convert;
|
|
|
|
gulong probe_id;
|
|
} GstD3D11CompositorBinChain;
|
|
|
|
struct _GstD3D11CompositorBin
|
|
{
|
|
GstBin parent;
|
|
|
|
GstElement *compositor;
|
|
|
|
GList *input_chains;
|
|
gboolean running;
|
|
|
|
gint adapter;
|
|
};
|
|
|
|
static void gst_d3d11_compositor_bin_child_proxy_init (gpointer g_iface,
|
|
gpointer iface_data);
|
|
static void gst_d3d11_compositor_bin_dispose (GObject * object);
|
|
static void gst_d3d11_compositor_bin_set_property (GObject * object,
|
|
guint prop_id, const GValue * value, GParamSpec * pspec);
|
|
static void gst_d3d11_compositor_bin_get_property (GObject * object,
|
|
guint prop_id, GValue * value, GParamSpec * pspec);
|
|
|
|
static GstStateChangeReturn
|
|
gst_d3d11_compositor_bin_change_state (GstElement * element,
|
|
GstStateChange transition);
|
|
static GstPad *gst_d3d11_compositor_bin_request_new_pad (GstElement * element,
|
|
GstPadTemplate * templ, const gchar * name, const GstCaps * caps);
|
|
static void gst_d3d11_compositor_bin_release_pad (GstElement * element,
|
|
GstPad * pad);
|
|
|
|
#define gst_d3d11_compositor_bin_parent_class parent_class
|
|
G_DEFINE_TYPE_WITH_CODE (GstD3D11CompositorBin, gst_d3d11_compositor_bin,
|
|
GST_TYPE_BIN, G_IMPLEMENT_INTERFACE (GST_TYPE_CHILD_PROXY,
|
|
gst_d3d11_compositor_bin_child_proxy_init));
|
|
|
|
static void
|
|
gst_d3d11_compositor_bin_class_init (GstD3D11CompositorBinClass * klass)
|
|
{
|
|
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
|
|
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
|
|
GstCaps *caps;
|
|
|
|
gobject_class->dispose = gst_d3d11_compositor_bin_dispose;
|
|
gobject_class->set_property = gst_d3d11_compositor_bin_set_property;
|
|
gobject_class->get_property = gst_d3d11_compositor_bin_get_property;
|
|
|
|
element_class->change_state =
|
|
GST_DEBUG_FUNCPTR (gst_d3d11_compositor_bin_change_state);
|
|
element_class->request_new_pad =
|
|
GST_DEBUG_FUNCPTR (gst_d3d11_compositor_bin_request_new_pad);
|
|
element_class->release_pad =
|
|
GST_DEBUG_FUNCPTR (gst_d3d11_compositor_bin_release_pad);
|
|
|
|
gst_element_class_set_static_metadata (element_class,
|
|
"Direct3D11 Compositor Bin",
|
|
"Filter/Editor/Video/Compositor",
|
|
"A Direct3D11 compositor bin", "Seungha Yang <seungha@centricular.com>");
|
|
|
|
caps = gst_d3d11_get_updated_template_caps (&sink_template_caps);
|
|
gst_element_class_add_pad_template (element_class,
|
|
gst_pad_template_new_with_gtype ("sink_%u", GST_PAD_SINK, GST_PAD_REQUEST,
|
|
caps, GST_TYPE_D3D11_COMPOSITOR_BIN_INPUT));
|
|
gst_caps_unref (caps);
|
|
|
|
caps = gst_d3d11_get_updated_template_caps (&src_template_caps);
|
|
gst_element_class_add_pad_template (element_class,
|
|
gst_pad_template_new_with_gtype ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
|
|
caps, GST_TYPE_D3D11_COMPOSITOR_BIN_PAD));
|
|
gst_caps_unref (caps);
|
|
|
|
g_object_class_install_property (gobject_class, PROP_MIXER,
|
|
g_param_spec_object ("mixer", "D3D11 mixer element",
|
|
"The d3d11 mixer chain to use",
|
|
GST_TYPE_ELEMENT,
|
|
(GParamFlags) (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)));
|
|
|
|
/*GstAggregator */
|
|
g_object_class_install_property (gobject_class, PROP_LATENCY,
|
|
g_param_spec_uint64 ("latency", "Buffer latency",
|
|
"Additional latency in live mode to allow upstream "
|
|
"to take longer to produce buffers for the current "
|
|
"position (in nanoseconds)", 0, G_MAXUINT64,
|
|
DEFAULT_LATENCY,
|
|
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
|
|
|
|
g_object_class_install_property (gobject_class, PROP_MIN_UPSTREAM_LATENCY,
|
|
g_param_spec_uint64 ("min-upstream-latency", "Buffer latency",
|
|
"When sources with a higher latency are expected to be plugged "
|
|
"in dynamically after the aggregator has started playing, "
|
|
"this allows overriding the minimum latency reported by the "
|
|
"initial source(s). This is only taken into account when larger "
|
|
"than the actually reported minimum latency. (nanoseconds)",
|
|
0, G_MAXUINT64,
|
|
DEFAULT_LATENCY,
|
|
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
|
|
|
|
g_object_class_install_property (gobject_class, PROP_START_TIME_SELECTION,
|
|
g_param_spec_enum ("start-time-selection", "Start Time Selection",
|
|
"Decides which start time is output",
|
|
gst_aggregator_start_time_selection_get_type (),
|
|
DEFAULT_START_TIME_SELECTION,
|
|
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
|
|
|
|
g_object_class_install_property (gobject_class, PROP_START_TIME,
|
|
g_param_spec_uint64 ("start-time", "Start Time",
|
|
"Start time to use if start-time-selection=set", 0,
|
|
G_MAXUINT64,
|
|
DEFAULT_START_TIME,
|
|
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
|
|
|
|
g_object_class_install_property (gobject_class, PROP_EMIT_SIGNALS,
|
|
g_param_spec_boolean ("emit-signals", "Emit signals",
|
|
"Send signals", DEFAULT_EMIT_SIGNALS,
|
|
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
|
|
|
|
/* GstD3D11Compositor */
|
|
g_object_class_install_property (gobject_class, PROP_ADAPTER,
|
|
g_param_spec_int ("adapter", "Adapter",
|
|
"Adapter index for creating device (-1 for default)",
|
|
-1, G_MAXINT32, DEFAULT_ADAPTER,
|
|
(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_MUTABLE_READY |
|
|
G_PARAM_STATIC_STRINGS)));
|
|
|
|
g_object_class_install_property (gobject_class, PROP_BACKGROUND,
|
|
g_param_spec_enum ("background", "Background", "Background type",
|
|
GST_TYPE_D3D11_COMPOSITOR_BACKGROUND,
|
|
DEFAULT_BACKGROUND,
|
|
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
|
|
|
|
gst_type_mark_as_plugin_api (GST_TYPE_D3D11_COMPOSITOR_BIN_PAD,
|
|
(GstPluginAPIFlags) 0);
|
|
gst_type_mark_as_plugin_api (GST_TYPE_D3D11_COMPOSITOR_BIN_INPUT,
|
|
(GstPluginAPIFlags) 0);
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_compositor_bin_init (GstD3D11CompositorBin * self)
|
|
{
|
|
GstPad *pad;
|
|
GstPad *gpad;
|
|
GstElement *out_convert, *download;
|
|
|
|
self->compositor = gst_element_factory_make ("d3d11compositorelement", NULL);
|
|
out_convert = gst_element_factory_make ("d3d11colorconvert", NULL);
|
|
download = gst_element_factory_make ("d3d11download", NULL);
|
|
|
|
gst_bin_add_many (GST_BIN (self),
|
|
self->compositor, out_convert, download, NULL);
|
|
gst_element_link_many (self->compositor, out_convert, download, NULL);
|
|
|
|
gpad = (GstPad *) g_object_new (GST_TYPE_D3D11_COMPOSITOR_BIN_PAD,
|
|
"name", "src", "direction", GST_PAD_SRC, NULL);
|
|
pad = gst_element_get_static_pad (self->compositor, "src");
|
|
/* GstD3D11CompositorBinPad will hold reference of this compositor srcpad */
|
|
gst_d3d11_compositor_bin_pad_set_target ((GstD3D11CompositorBinPad *) gpad,
|
|
pad);
|
|
|
|
pad = gst_element_get_static_pad (download, "src");
|
|
gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (gpad), pad);
|
|
gst_object_unref (pad);
|
|
|
|
gst_element_add_pad (GST_ELEMENT_CAST (self), gpad);
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_compositor_bin_dispose (GObject * object)
|
|
{
|
|
GstD3D11CompositorBin *self = GST_D3D11_COMPOSITOR_BIN (object);
|
|
GList *iter;
|
|
|
|
for (iter = self->input_chains; iter; iter = g_list_next (iter)) {
|
|
GstD3D11CompositorBinChain *chain =
|
|
(GstD3D11CompositorBinChain *) iter->data;
|
|
|
|
if (self->compositor && chain->ghost_pad && chain->ghost_pad->target) {
|
|
gst_element_release_request_pad (GST_ELEMENT_CAST (self->compositor),
|
|
chain->ghost_pad->target);
|
|
gst_d3d11_compositor_bin_pad_unset_target (chain->ghost_pad);
|
|
}
|
|
}
|
|
|
|
if (self->input_chains)
|
|
g_list_free_full (self->input_chains, (GDestroyNotify) g_free);
|
|
self->input_chains = NULL;
|
|
|
|
G_OBJECT_CLASS (parent_class)->dispose (object);
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_compositor_bin_set_property (GObject * object,
|
|
guint prop_id, const GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstD3D11CompositorBin *self = GST_D3D11_COMPOSITOR_BIN (object);
|
|
|
|
switch (prop_id) {
|
|
case PROP_ADAPTER:
|
|
self->adapter = g_value_get_int (value);
|
|
/* fallthrough */
|
|
default:
|
|
g_object_set_property (G_OBJECT (self->compositor), pspec->name, value);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_compositor_bin_get_property (GObject * object,
|
|
guint prop_id, GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstD3D11CompositorBin *self = GST_D3D11_COMPOSITOR_BIN (object);
|
|
|
|
switch (prop_id) {
|
|
case PROP_MIXER:
|
|
g_value_set_object (value, self->compositor);
|
|
break;
|
|
case PROP_ADAPTER:
|
|
g_value_set_int (value, self->adapter);
|
|
break;
|
|
default:
|
|
g_object_get_property (G_OBJECT (self->compositor), pspec->name, value);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static GstStateChangeReturn
|
|
gst_d3d11_compositor_bin_change_state (GstElement * element,
|
|
GstStateChange transition)
|
|
{
|
|
GstD3D11CompositorBin *self = GST_D3D11_COMPOSITOR_BIN (element);
|
|
GstStateChangeReturn ret;
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_NULL_TO_READY:
|
|
GST_OBJECT_LOCK (element);
|
|
self->running = TRUE;
|
|
GST_OBJECT_UNLOCK (element);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
|
if (ret == GST_STATE_CHANGE_FAILURE)
|
|
return ret;
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_READY_TO_NULL:
|
|
GST_OBJECT_LOCK (self);
|
|
self->running = FALSE;
|
|
GST_OBJECT_UNLOCK (self);
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static GstD3D11CompositorBinChain *
|
|
gst_d3d11_compositor_bin_input_chain_new (GstD3D11CompositorBin * self,
|
|
GstPad * compositor_pad)
|
|
{
|
|
GstD3D11CompositorBinChain *chain;
|
|
GstPad *pad;
|
|
|
|
chain = g_new0 (GstD3D11CompositorBinChain, 1);
|
|
|
|
chain->self = self;
|
|
|
|
chain->upload = gst_element_factory_make ("d3d11upload", NULL);
|
|
chain->convert = gst_element_factory_make ("d3d11colorconvert", NULL);
|
|
|
|
/* 1. Create child elements and like */
|
|
gst_bin_add_many (GST_BIN (self), chain->upload, chain->convert, NULL);
|
|
|
|
gst_element_link (chain->upload, chain->convert);
|
|
pad = gst_element_get_static_pad (chain->convert, "src");
|
|
gst_pad_link (pad, compositor_pad);
|
|
gst_object_unref (pad);
|
|
|
|
chain->ghost_pad = (GstD3D11CompositorBinPad *)
|
|
g_object_new (GST_TYPE_D3D11_COMPOSITOR_BIN_INPUT, "name",
|
|
GST_OBJECT_NAME (compositor_pad), "direction", GST_PAD_SINK, NULL);
|
|
|
|
/* transfer ownership of compositor pad */
|
|
gst_d3d11_compositor_bin_pad_set_target (chain->ghost_pad, compositor_pad);
|
|
|
|
pad = gst_element_get_static_pad (chain->upload, "sink");
|
|
gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (chain->ghost_pad), pad);
|
|
gst_object_unref (pad);
|
|
|
|
GST_OBJECT_LOCK (self);
|
|
if (self->running)
|
|
gst_pad_set_active (GST_PAD (chain->ghost_pad), TRUE);
|
|
GST_OBJECT_UNLOCK (self);
|
|
|
|
gst_element_add_pad (GST_ELEMENT_CAST (self),
|
|
GST_PAD_CAST (chain->ghost_pad));
|
|
|
|
gst_element_sync_state_with_parent (chain->upload);
|
|
gst_element_sync_state_with_parent (chain->convert);
|
|
|
|
return chain;
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_compositor_bin_input_chain_free (GstD3D11CompositorBinChain * chain)
|
|
{
|
|
if (!chain)
|
|
return;
|
|
|
|
if (chain->ghost_pad && chain->probe_id) {
|
|
gst_pad_remove_probe (GST_PAD_CAST (chain->ghost_pad), chain->probe_id);
|
|
chain->probe_id = 0;
|
|
}
|
|
|
|
if (chain->upload) {
|
|
gst_element_set_state (chain->upload, GST_STATE_NULL);
|
|
gst_bin_remove (GST_BIN_CAST (chain->self), chain->upload);
|
|
}
|
|
|
|
if (chain->convert) {
|
|
gst_element_set_state (chain->convert, GST_STATE_NULL);
|
|
gst_bin_remove (GST_BIN_CAST (chain->self), chain->convert);
|
|
}
|
|
|
|
if (chain->ghost_pad && chain->ghost_pad->target) {
|
|
gst_element_release_request_pad (chain->self->compositor,
|
|
chain->ghost_pad->target);
|
|
gst_d3d11_compositor_bin_pad_unset_target (chain->ghost_pad);
|
|
}
|
|
|
|
g_free (chain);
|
|
}
|
|
|
|
static GstPad *
|
|
gst_d3d11_compositor_bin_request_new_pad (GstElement * element,
|
|
GstPadTemplate * templ, const gchar * name, const GstCaps * caps)
|
|
{
|
|
GstD3D11CompositorBin *self = GST_D3D11_COMPOSITOR_BIN (element);
|
|
GstElementClass *compositor_class = GST_ELEMENT_GET_CLASS (self->compositor);
|
|
GstPad *compositor_pad;
|
|
GstD3D11CompositorBinChain *chain;
|
|
GstPadTemplate *compositor_templ = NULL;
|
|
GList *templ_list;
|
|
GList *iter;
|
|
|
|
templ_list = gst_element_class_get_pad_template_list (compositor_class);
|
|
for (iter = templ_list; iter; iter = g_list_next (iter)) {
|
|
GstPadTemplate *t = (GstPadTemplate *) iter->data;
|
|
if (GST_PAD_TEMPLATE_DIRECTION (t) != GST_PAD_SINK ||
|
|
GST_PAD_TEMPLATE_PRESENCE (t) != GST_PAD_REQUEST)
|
|
continue;
|
|
|
|
compositor_templ = t;
|
|
break;
|
|
}
|
|
|
|
g_assert (compositor_templ);
|
|
|
|
compositor_pad =
|
|
gst_element_request_pad (self->compositor, compositor_templ, name, caps);
|
|
if (!compositor_pad) {
|
|
GST_WARNING_OBJECT (self, "Failed to request pad");
|
|
return NULL;
|
|
}
|
|
|
|
chain = gst_d3d11_compositor_bin_input_chain_new (self, compositor_pad);
|
|
g_assert (chain);
|
|
|
|
GST_OBJECT_LOCK (self);
|
|
self->input_chains = g_list_append (self->input_chains, chain);
|
|
GST_OBJECT_UNLOCK (self);
|
|
|
|
gst_child_proxy_child_added (GST_CHILD_PROXY (self),
|
|
G_OBJECT (chain->ghost_pad), GST_OBJECT_NAME (chain->ghost_pad));
|
|
|
|
GST_DEBUG_OBJECT (element, "Created new pad %s:%s",
|
|
GST_DEBUG_PAD_NAME (chain->ghost_pad));
|
|
|
|
return GST_PAD_CAST (chain->ghost_pad);
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_compositor_bin_release_pad (GstElement * element, GstPad * pad)
|
|
{
|
|
GstD3D11CompositorBin *self = GST_D3D11_COMPOSITOR_BIN (element);
|
|
GList *iter;
|
|
gboolean found = FALSE;
|
|
|
|
GST_DEBUG_OBJECT (self, "Releasing pad %s:%s", GST_DEBUG_PAD_NAME (pad));
|
|
|
|
GST_OBJECT_LOCK (self);
|
|
for (iter = self->input_chains; iter; iter = g_list_next (iter)) {
|
|
GstD3D11CompositorBinChain *chain =
|
|
(GstD3D11CompositorBinChain *) iter->data;
|
|
|
|
if (pad == GST_PAD_CAST (chain->ghost_pad)) {
|
|
self->input_chains = g_list_delete_link (self->input_chains, iter);
|
|
GST_OBJECT_UNLOCK (self);
|
|
|
|
gst_d3d11_compositor_bin_input_chain_free (chain);
|
|
found = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!found) {
|
|
GST_OBJECT_UNLOCK (self);
|
|
GST_WARNING_OBJECT (self, "Unknown pad to release %s:%s",
|
|
GST_DEBUG_PAD_NAME (pad));
|
|
}
|
|
|
|
gst_element_remove_pad (element, pad);
|
|
}
|
|
|
|
static GObject *
|
|
gst_d3d11_compositor_bin_child_proxy_get_child_by_index (GstChildProxy * proxy,
|
|
guint index)
|
|
{
|
|
GstD3D11CompositorBin *self = GST_D3D11_COMPOSITOR_BIN (proxy);
|
|
GstBin *bin = GST_BIN_CAST (proxy);
|
|
GObject *res = NULL;
|
|
|
|
GST_OBJECT_LOCK (self);
|
|
/* XXX: not exactly thread safe with ordering */
|
|
if (index < (guint) bin->numchildren) {
|
|
if ((res = (GObject *) g_list_nth_data (bin->children, index)))
|
|
gst_object_ref (res);
|
|
} else {
|
|
GstD3D11CompositorBinChain *chain;
|
|
if ((chain =
|
|
(GstD3D11CompositorBinChain *) g_list_nth_data (self->input_chains,
|
|
index - bin->numchildren))) {
|
|
res = (GObject *) gst_object_ref (chain->ghost_pad);
|
|
}
|
|
}
|
|
GST_OBJECT_UNLOCK (self);
|
|
|
|
return res;
|
|
}
|
|
|
|
static guint
|
|
gst_d3d11_compositor_bin_child_proxy_get_children_count (GstChildProxy * proxy)
|
|
{
|
|
GstD3D11CompositorBin *self = GST_D3D11_COMPOSITOR_BIN (proxy);
|
|
guint count = 0;
|
|
|
|
GST_OBJECT_LOCK (self);
|
|
count = GST_BIN_CAST (self)->numchildren + g_list_length (self->input_chains);
|
|
GST_OBJECT_UNLOCK (self);
|
|
GST_INFO_OBJECT (self, "Children Count: %d", count);
|
|
|
|
return count;
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_compositor_bin_child_proxy_init (gpointer g_iface,
|
|
gpointer iface_data)
|
|
{
|
|
GstChildProxyInterface *iface = (GstChildProxyInterface *) g_iface;
|
|
|
|
iface->get_child_by_index =
|
|
gst_d3d11_compositor_bin_child_proxy_get_child_by_index;
|
|
iface->get_children_count =
|
|
gst_d3d11_compositor_bin_child_proxy_get_children_count;
|
|
}
|