mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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9764e22a5c
Otherwise we're going to return times starting at 0 again after shutting down an element for a specific input/output and then using it again later. https://bugzilla.gnome.org/show_bug.cgi?id=755426
964 lines
27 KiB
C++
964 lines
27 KiB
C++
/* GStreamer
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* Copyright (C) 2011 David Schleef <ds@schleef.org>
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* Copyright (C) 2014 Sebastian Dröge <sebastian@centricular.com>
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* Copyright (C) 2015 Florian Langlois <florian.langlois@fr.thalesgroup.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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#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 "gstdecklink.h"
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#include "gstdecklinkaudiosink.h"
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#include "gstdecklinkvideosink.h"
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#include "gstdecklinkaudiosrc.h"
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#include "gstdecklinkvideosrc.h"
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GST_DEBUG_CATEGORY_STATIC (gst_decklink_debug);
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#define GST_CAT_DEFAULT gst_decklink_debug
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GType
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gst_decklink_mode_get_type (void)
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{
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static gsize id = 0;
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static const GEnumValue modes[] = {
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{GST_DECKLINK_MODE_AUTO, "auto", "Automatic detection"},
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{GST_DECKLINK_MODE_NTSC, "ntsc", "NTSC SD 60i"},
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{GST_DECKLINK_MODE_NTSC2398, "ntsc2398", "NTSC SD 60i (24 fps)"},
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{GST_DECKLINK_MODE_PAL, "pal", "PAL SD 50i"},
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{GST_DECKLINK_MODE_NTSC_P, "ntsc-p", "NTSC SD 60p"},
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{GST_DECKLINK_MODE_PAL_P, "pal-p", "PAL SD 50p"},
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{GST_DECKLINK_MODE_1080p2398, "1080p2398", "HD1080 23.98p"},
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{GST_DECKLINK_MODE_1080p24, "1080p24", "HD1080 24p"},
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{GST_DECKLINK_MODE_1080p25, "1080p25", "HD1080 25p"},
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{GST_DECKLINK_MODE_1080p2997, "1080p2997", "HD1080 29.97p"},
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{GST_DECKLINK_MODE_1080p30, "1080p30", "HD1080 30p"},
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{GST_DECKLINK_MODE_1080i50, "1080i50", "HD1080 50i"},
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{GST_DECKLINK_MODE_1080i5994, "1080i5994", "HD1080 59.94i"},
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{GST_DECKLINK_MODE_1080i60, "1080i60", "HD1080 60i"},
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{GST_DECKLINK_MODE_1080p50, "1080p50", "HD1080 50p"},
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{GST_DECKLINK_MODE_1080p5994, "1080p5994", "HD1080 59.94p"},
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{GST_DECKLINK_MODE_1080p60, "1080p60", "HD1080 60p"},
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{GST_DECKLINK_MODE_720p50, "720p50", "HD720 50p"},
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{GST_DECKLINK_MODE_720p5994, "720p5994", "HD720 59.94p"},
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{GST_DECKLINK_MODE_720p60, "720p60", "HD720 60p"},
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{GST_DECKLINK_MODE_1556p2398, "1556p2398", "2k 23.98p"},
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{GST_DECKLINK_MODE_1556p24, "1556p24", "2k 24p"},
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{GST_DECKLINK_MODE_1556p25, "1556p25", "2k 25p"},
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{GST_DECKLINK_MODE_2160p2398, "2160p2398", "4k 23.98p"},
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{GST_DECKLINK_MODE_2160p24, "2160p24", "4k 24p"},
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{GST_DECKLINK_MODE_2160p25, "2160p25", "4k 25p"},
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{GST_DECKLINK_MODE_2160p2997, "2160p2997", "4k 29.97p"},
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{GST_DECKLINK_MODE_2160p30, "2160p30", "4k 30p"},
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{GST_DECKLINK_MODE_2160p50, "2160p50", "4k 50p"},
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{GST_DECKLINK_MODE_2160p5994, "2160p5994", "4k 59.94p"},
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{GST_DECKLINK_MODE_2160p60, "2160p60", "4k 60p"},
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{0, NULL, NULL}
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};
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if (g_once_init_enter (&id)) {
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GType tmp = g_enum_register_static ("GstDecklinkModes", modes);
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g_once_init_leave (&id, tmp);
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}
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return (GType) id;
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}
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GType
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gst_decklink_connection_get_type (void)
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{
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static gsize id = 0;
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static const GEnumValue connections[] = {
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{GST_DECKLINK_CONNECTION_AUTO, "auto", "Auto"},
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{GST_DECKLINK_CONNECTION_SDI, "sdi", "SDI"},
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{GST_DECKLINK_CONNECTION_HDMI, "hdmi", "HDMI"},
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{GST_DECKLINK_CONNECTION_OPTICAL_SDI, "optical-sdi", "Optical SDI"},
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{GST_DECKLINK_CONNECTION_COMPONENT, "component", "Component"},
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{GST_DECKLINK_CONNECTION_COMPOSITE, "composite", "Composite"},
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{GST_DECKLINK_CONNECTION_SVIDEO, "svideo", "S-Video"},
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{0, NULL, NULL}
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};
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if (g_once_init_enter (&id)) {
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GType tmp = g_enum_register_static ("GstDecklinkConnection", connections);
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g_once_init_leave (&id, tmp);
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}
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return (GType) id;
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}
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GType
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gst_decklink_audio_connection_get_type (void)
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{
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static gsize id = 0;
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static const GEnumValue connections[] = {
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{GST_DECKLINK_AUDIO_CONNECTION_AUTO, "auto", "Automatic"},
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{GST_DECKLINK_AUDIO_CONNECTION_EMBEDDED, "embedded",
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"SDI/HDMI embedded audio"},
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{GST_DECKLINK_AUDIO_CONNECTION_AES_EBU, "aes", "AES/EBU input"},
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{GST_DECKLINK_AUDIO_CONNECTION_ANALOG, "analog", "Analog input"},
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{GST_DECKLINK_AUDIO_CONNECTION_ANALOG_XLR, "analog-xlr",
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"Analog input (XLR)"},
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{GST_DECKLINK_AUDIO_CONNECTION_ANALOG_RCA, "analog-rca",
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"Analog input (RCA)"},
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{0, NULL, NULL}
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};
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if (g_once_init_enter (&id)) {
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GType tmp =
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g_enum_register_static ("GstDecklinkAudioConnection", connections);
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g_once_init_leave (&id, tmp);
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}
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return (GType) id;
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}
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#define NTSC 10, 11, false, "bt601"
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#define PAL 12, 11, true, "bt601"
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#define HD 1, 1, false, "bt709"
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#define UHD 1, 1, false, "bt2020"
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static const GstDecklinkMode modes[] = {
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{bmdModeNTSC, 720, 486, 30000, 1001, true, NTSC}, // default is ntsc
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{bmdModeNTSC, 720, 486, 30000, 1001, true, NTSC},
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{bmdModeNTSC2398, 720, 486, 24000, 1001, true, NTSC},
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{bmdModePAL, 720, 576, 25, 1, true, PAL},
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{bmdModeNTSCp, 720, 486, 30000, 1001, false, NTSC},
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{bmdModePALp, 720, 576, 25, 1, false, PAL},
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{bmdModeHD1080p2398, 1920, 1080, 24000, 1001, false, HD},
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{bmdModeHD1080p24, 1920, 1080, 24, 1, false, HD},
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{bmdModeHD1080p25, 1920, 1080, 25, 1, false, HD},
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{bmdModeHD1080p2997, 1920, 1080, 30000, 1001, false, HD},
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{bmdModeHD1080p30, 1920, 1080, 30, 1, false, HD},
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{bmdModeHD1080i50, 1920, 1080, 25, 1, true, HD},
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{bmdModeHD1080i5994, 1920, 1080, 30000, 1001, true, HD},
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{bmdModeHD1080i6000, 1920, 1080, 30, 1, true, HD},
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{bmdModeHD1080p50, 1920, 1080, 50, 1, false, HD},
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{bmdModeHD1080p5994, 1920, 1080, 60000, 1001, false, HD},
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{bmdModeHD1080p6000, 1920, 1080, 60, 1, false, HD},
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{bmdModeHD720p50, 1280, 720, 50, 1, false, HD},
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{bmdModeHD720p5994, 1280, 720, 60000, 1001, false, HD},
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{bmdModeHD720p60, 1280, 720, 60, 1, false, HD},
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{bmdMode2k2398, 2048, 1556, 24000, 1001, false, HD},
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{bmdMode2k24, 2048, 1556, 24, 1, false, HD},
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{bmdMode2k25, 2048, 1556, 25, 1, false, HD},
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{bmdMode4K2160p2398, 3840, 2160, 24000, 1001, false, UHD},
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{bmdMode4K2160p24, 3840, 2160, 24, 1, false, UHD},
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{bmdMode4K2160p25, 3840, 2160, 25, 1, false, UHD},
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{bmdMode4K2160p2997, 3840, 2160, 30000, 1001, false, UHD},
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{bmdMode4K2160p30, 3840, 2160, 30, 1, false, UHD},
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{bmdMode4K2160p50, 3840, 2160, 50, 1, false, UHD},
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{bmdMode4K2160p5994, 3840, 2160, 60000, 1001, false, UHD},
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{bmdMode4K2160p60, 3840, 2160, 60, 1, false, UHD}
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};
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const GstDecklinkMode *
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gst_decklink_get_mode (GstDecklinkModeEnum e)
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{
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if (e < GST_DECKLINK_MODE_AUTO || e > GST_DECKLINK_MODE_2160p60)
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return NULL;
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return &modes[e];
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}
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const GstDecklinkModeEnum
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gst_decklink_get_mode_enum_from_bmd (BMDDisplayMode mode)
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{
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GstDecklinkModeEnum displayMode = GST_DECKLINK_MODE_NTSC;
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switch (mode) {
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case bmdModeNTSC:
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displayMode = GST_DECKLINK_MODE_NTSC;
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break;
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case bmdModeNTSC2398:
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displayMode = GST_DECKLINK_MODE_NTSC2398;
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break;
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case bmdModePAL:
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displayMode = GST_DECKLINK_MODE_PAL;
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break;
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case bmdModeNTSCp:
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displayMode = GST_DECKLINK_MODE_NTSC_P;
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break;
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case bmdModePALp:
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displayMode = GST_DECKLINK_MODE_PAL_P;
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break;
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case bmdModeHD1080p2398:
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displayMode = GST_DECKLINK_MODE_1080p2398;
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break;
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case bmdModeHD1080p24:
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displayMode = GST_DECKLINK_MODE_1080p24;
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break;
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case bmdModeHD1080p25:
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displayMode = GST_DECKLINK_MODE_1080p25;
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break;
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case bmdModeHD1080p2997:
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displayMode = GST_DECKLINK_MODE_1080p2997;
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break;
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case bmdModeHD1080p30:
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displayMode = GST_DECKLINK_MODE_1080p30;
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break;
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case bmdModeHD1080i50:
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displayMode = GST_DECKLINK_MODE_1080i50;
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break;
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case bmdModeHD1080i5994:
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displayMode = GST_DECKLINK_MODE_1080i5994;
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break;
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case bmdModeHD1080i6000:
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displayMode = GST_DECKLINK_MODE_1080i60;
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break;
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case bmdModeHD1080p50:
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displayMode = GST_DECKLINK_MODE_1080p50;
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break;
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case bmdModeHD1080p5994:
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displayMode = GST_DECKLINK_MODE_1080p5994;
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break;
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case bmdModeHD1080p6000:
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displayMode = GST_DECKLINK_MODE_1080p60;
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break;
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case bmdModeHD720p50:
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displayMode = GST_DECKLINK_MODE_720p50;
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break;
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case bmdModeHD720p5994:
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displayMode = GST_DECKLINK_MODE_720p5994;
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break;
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case bmdModeHD720p60:
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displayMode = GST_DECKLINK_MODE_720p60;
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break;
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case bmdMode2k2398:
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displayMode = GST_DECKLINK_MODE_1556p2398;
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break;
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case bmdMode2k24:
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displayMode = GST_DECKLINK_MODE_1556p24;
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break;
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case bmdMode2k25:
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displayMode = GST_DECKLINK_MODE_1556p25;
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break;
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case bmdMode4K2160p2398:
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displayMode = GST_DECKLINK_MODE_2160p2398;
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break;
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case bmdMode4K2160p24:
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displayMode = GST_DECKLINK_MODE_2160p24;
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break;
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case bmdMode4K2160p25:
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displayMode = GST_DECKLINK_MODE_2160p25;
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break;
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case bmdMode4K2160p2997:
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displayMode = GST_DECKLINK_MODE_2160p2997;
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break;
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case bmdMode4K2160p30:
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displayMode = GST_DECKLINK_MODE_2160p30;
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break;
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case bmdMode4K2160p50:
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displayMode = GST_DECKLINK_MODE_2160p50;
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break;
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case bmdMode4K2160p5994:
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displayMode = GST_DECKLINK_MODE_2160p5994;
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break;
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case bmdMode4K2160p60:
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displayMode = GST_DECKLINK_MODE_2160p60;
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break;
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default:
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g_assert_not_reached ();
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break;
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}
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return displayMode;
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}
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static const BMDVideoConnection connections[] = {
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0, /* auto */
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bmdVideoConnectionSDI,
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bmdVideoConnectionHDMI,
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bmdVideoConnectionOpticalSDI,
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bmdVideoConnectionComponent,
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bmdVideoConnectionComposite,
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bmdVideoConnectionSVideo
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};
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const BMDVideoConnection
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gst_decklink_get_connection (GstDecklinkConnectionEnum e)
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{
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g_return_val_if_fail (e != GST_DECKLINK_CONNECTION_AUTO,
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bmdVideoConnectionSDI);
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if (e <= GST_DECKLINK_CONNECTION_AUTO || e > GST_DECKLINK_CONNECTION_SVIDEO)
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e = GST_DECKLINK_CONNECTION_SDI;
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return connections[e];
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}
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static GstStructure *
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gst_decklink_mode_get_structure (GstDecklinkModeEnum e)
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{
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const GstDecklinkMode *mode = &modes[e];
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return gst_structure_new ("video/x-raw",
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"format", G_TYPE_STRING, "UYVY",
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"width", G_TYPE_INT, mode->width,
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"height", G_TYPE_INT, mode->height,
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"framerate", GST_TYPE_FRACTION, mode->fps_n, mode->fps_d,
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"interlace-mode", G_TYPE_STRING,
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mode->interlaced ? "interleaved" : "progressive", "pixel-aspect-ratio",
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GST_TYPE_FRACTION, mode->par_n, mode->par_d, "colorimetry", G_TYPE_STRING,
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mode->colorimetry, "chroma-site", G_TYPE_STRING, "mpeg2", NULL);
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}
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GstCaps *
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gst_decklink_mode_get_caps (GstDecklinkModeEnum e)
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{
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GstCaps *caps;
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caps = gst_caps_new_empty ();
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gst_caps_append_structure (caps, gst_decklink_mode_get_structure (e));
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return caps;
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}
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GstCaps *
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gst_decklink_mode_get_template_caps (void)
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{
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int i;
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GstCaps *caps;
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GstStructure *s;
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caps = gst_caps_new_empty ();
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for (i = 1; i < (int) G_N_ELEMENTS (modes); i++) {
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s = gst_decklink_mode_get_structure ((GstDecklinkModeEnum) i);
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gst_caps_append_structure (caps, s);
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}
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return caps;
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}
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#define GST_TYPE_DECKLINK_CLOCK \
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(gst_decklink_clock_get_type())
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#define GST_DECKLINK_CLOCK(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DECKLINK_CLOCK,GstDecklinkClock))
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#define GST_DECKLINK_CLOCK_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DECKLINK_CLOCK,GstDecklinkClockClass))
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#define GST_IS_Decklink_CLOCK(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DECKLINK_CLOCK))
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#define GST_IS_Decklink_CLOCK_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DECKLINK_CLOCK))
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#define GST_DECKLINK_CLOCK_CAST(obj) \
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((GstDecklinkClock*)(obj))
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typedef struct _GstDecklinkClock GstDecklinkClock;
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typedef struct _GstDecklinkClockClass GstDecklinkClockClass;
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struct _GstDecklinkClock
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{
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GstSystemClock clock;
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GstDecklinkInput *input;
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GstDecklinkOutput *output;
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};
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struct _GstDecklinkClockClass
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{
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GstSystemClockClass parent_class;
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};
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GType gst_decklink_clock_get_type (void);
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static GstClock *gst_decklink_clock_new (const gchar * name);
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typedef struct _Device Device;
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struct _Device
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{
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GstDecklinkOutput output;
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GstDecklinkInput input;
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};
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class GStreamerDecklinkInputCallback:public IDeckLinkInputCallback
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{
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private:
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GstDecklinkInput * m_input;
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GMutex m_mutex;
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gint m_refcount;
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public:
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GStreamerDecklinkInputCallback (GstDecklinkInput * input)
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: IDeckLinkInputCallback (), m_refcount (1)
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{
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m_input = input;
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g_mutex_init (&m_mutex);
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}
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virtual ~ GStreamerDecklinkInputCallback ()
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{
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g_mutex_clear (&m_mutex);
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}
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virtual HRESULT STDMETHODCALLTYPE QueryInterface (REFIID, LPVOID *)
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{
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return E_NOINTERFACE;
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}
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virtual ULONG STDMETHODCALLTYPE AddRef (void)
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{
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ULONG ret;
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g_mutex_lock (&m_mutex);
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m_refcount++;
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ret = m_refcount;
|
|
g_mutex_unlock (&m_mutex);
|
|
|
|
return ret;
|
|
}
|
|
|
|
virtual ULONG STDMETHODCALLTYPE Release (void)
|
|
{
|
|
ULONG ret;
|
|
|
|
g_mutex_lock (&m_mutex);
|
|
m_refcount--;
|
|
ret = m_refcount;
|
|
g_mutex_unlock (&m_mutex);
|
|
|
|
|
|
if (ret == 0) {
|
|
delete this;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
virtual HRESULT STDMETHODCALLTYPE
|
|
VideoInputFormatChanged (BMDVideoInputFormatChangedEvents,
|
|
IDeckLinkDisplayMode * mode, BMDDetectedVideoInputFormatFlags)
|
|
{
|
|
GST_INFO ("Video input format changed");
|
|
|
|
g_mutex_lock (&m_input->lock);
|
|
m_input->input->PauseStreams ();
|
|
m_input->input->EnableVideoInput (mode->GetDisplayMode (),
|
|
bmdFormat8BitYUV, bmdVideoInputEnableFormatDetection);
|
|
m_input->input->FlushStreams ();
|
|
m_input->input->StartStreams ();
|
|
m_input->mode =
|
|
gst_decklink_get_mode (gst_decklink_get_mode_enum_from_bmd
|
|
(mode->GetDisplayMode ()));
|
|
g_mutex_unlock (&m_input->lock);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
virtual HRESULT STDMETHODCALLTYPE
|
|
VideoInputFrameArrived (IDeckLinkVideoInputFrame * video_frame,
|
|
IDeckLinkAudioInputPacket * audio_packet)
|
|
{
|
|
GstElement *videosrc = NULL, *audiosrc = NULL;
|
|
void (*got_video_frame) (GstElement * videosrc,
|
|
IDeckLinkVideoInputFrame * frame, GstDecklinkModeEnum mode,
|
|
GstClockTime capture_time, GstClockTime capture_duration) = NULL;
|
|
void (*got_audio_packet) (GstElement * videosrc,
|
|
IDeckLinkAudioInputPacket * packet, GstClockTime capture_time) = NULL;
|
|
GstDecklinkModeEnum mode;
|
|
BMDTimeValue capture_time, capture_duration;
|
|
HRESULT res;
|
|
|
|
res =
|
|
video_frame->GetHardwareReferenceTimestamp (GST_SECOND, &capture_time,
|
|
&capture_duration);
|
|
if (res != S_OK) {
|
|
GST_ERROR ("Failed to get capture time: 0x%08x", res);
|
|
capture_time = GST_CLOCK_TIME_NONE;
|
|
capture_duration = GST_CLOCK_TIME_NONE;
|
|
}
|
|
|
|
g_mutex_lock (&m_input->lock);
|
|
|
|
if (capture_time > (BMDTimeValue) m_input->clock_start_time)
|
|
capture_time -= m_input->clock_start_time;
|
|
else
|
|
capture_time = 0;
|
|
|
|
if (capture_time > (BMDTimeValue) m_input->clock_offset)
|
|
capture_time -= m_input->clock_offset;
|
|
else
|
|
capture_time = 0;
|
|
|
|
if (m_input->videosrc) {
|
|
videosrc = GST_ELEMENT_CAST (gst_object_ref (m_input->videosrc));
|
|
got_video_frame = m_input->got_video_frame;
|
|
}
|
|
mode = gst_decklink_get_mode_enum_from_bmd (m_input->mode->mode);
|
|
|
|
if (m_input->audiosrc) {
|
|
audiosrc = GST_ELEMENT_CAST (gst_object_ref (m_input->audiosrc));
|
|
got_audio_packet = m_input->got_audio_packet;
|
|
}
|
|
g_mutex_unlock (&m_input->lock);
|
|
|
|
if (got_video_frame && videosrc) {
|
|
got_video_frame (videosrc, video_frame, mode, capture_time,
|
|
capture_duration);
|
|
}
|
|
|
|
if (got_audio_packet && audiosrc) {
|
|
m_input->got_audio_packet (audiosrc, audio_packet, capture_time);
|
|
}
|
|
|
|
gst_object_replace ((GstObject **) & videosrc, NULL);
|
|
gst_object_replace ((GstObject **) & audiosrc, NULL);
|
|
|
|
return S_OK;
|
|
}
|
|
};
|
|
|
|
#ifdef _MSC_VER
|
|
/* FIXME: We currently never deinit this */
|
|
|
|
static GMutex com_init_lock;
|
|
static GMutex com_deinit_lock;
|
|
static GCond com_init_cond;
|
|
static GCond com_deinit_cond;
|
|
static GCond com_deinited_cond;
|
|
static gboolean com_initialized = FALSE;
|
|
|
|
/* COM initialization/uninitialization thread */
|
|
static gpointer
|
|
gst_decklink_com_thread (gpointer data)
|
|
{
|
|
HRESULT res;
|
|
|
|
g_mutex_lock (&com_init_lock);
|
|
|
|
/* Initialize COM with a MTA for this process. This thread will
|
|
* be the first one to enter the apartement and the last one to leave
|
|
* it, unitializing COM properly */
|
|
|
|
res = CoInitializeEx (0, COINIT_MULTITHREADED);
|
|
if (res == S_FALSE)
|
|
GST_WARNING ("COM has been already initialized in the same process");
|
|
else if (res == RPC_E_CHANGED_MODE)
|
|
GST_WARNING ("The concurrency model of COM has changed.");
|
|
else
|
|
GST_INFO ("COM intialized succesfully");
|
|
|
|
com_initialized = TRUE;
|
|
|
|
/* Signal other threads waiting on this condition that COM was initialized */
|
|
g_cond_signal (&com_init_cond);
|
|
|
|
g_mutex_unlock (&com_init_lock);
|
|
|
|
/* Wait until the unitialize condition is met to leave the COM apartement */
|
|
g_mutex_lock (&com_deinit_lock);
|
|
g_cond_wait (&com_deinit_cond, &com_deinit_lock);
|
|
|
|
CoUninitialize ();
|
|
GST_INFO ("COM unintialized succesfully");
|
|
com_initialized = FALSE;
|
|
g_cond_signal (&com_deinited_cond);
|
|
g_mutex_unlock (&com_deinit_lock);
|
|
|
|
return NULL;
|
|
}
|
|
#endif /* _MSC_VER */
|
|
|
|
static GOnce devices_once = G_ONCE_INIT;
|
|
static int n_devices;
|
|
static Device devices[10];
|
|
|
|
static gpointer
|
|
init_devices (gpointer data)
|
|
{
|
|
IDeckLinkIterator *iterator;
|
|
IDeckLink *decklink = NULL;
|
|
HRESULT ret;
|
|
int i;
|
|
|
|
#ifdef _MSC_VER
|
|
// Start COM thread for Windows
|
|
|
|
g_mutex_lock (&com_init_lock);
|
|
|
|
/* create the COM initialization thread */
|
|
g_thread_create ((GThreadFunc) gst_decklink_com_thread, NULL, FALSE, NULL);
|
|
|
|
/* wait until the COM thread signals that COM has been initialized */
|
|
g_cond_wait (&com_init_cond, &com_init_lock);
|
|
g_mutex_unlock (&com_init_lock);
|
|
#endif /* _MSC_VER */
|
|
|
|
iterator = CreateDeckLinkIteratorInstance ();
|
|
if (iterator == NULL) {
|
|
GST_ERROR ("no driver");
|
|
return NULL;
|
|
}
|
|
|
|
i = 0;
|
|
ret = iterator->Next (&decklink);
|
|
while (ret == S_OK) {
|
|
ret = decklink->QueryInterface (IID_IDeckLinkInput,
|
|
(void **) &devices[i].input.input);
|
|
if (ret != S_OK) {
|
|
GST_WARNING ("selected device does not have input interface");
|
|
} else {
|
|
devices[i].input.device = decklink;
|
|
devices[i].input.clock = gst_decklink_clock_new ("GstDecklinkInputClock");
|
|
GST_DECKLINK_CLOCK_CAST (devices[i].input.clock)->input =
|
|
&devices[i].input;
|
|
devices[i].input.
|
|
input->SetCallback (new GStreamerDecklinkInputCallback (&devices[i].
|
|
input));
|
|
}
|
|
|
|
ret = decklink->QueryInterface (IID_IDeckLinkOutput,
|
|
(void **) &devices[i].output.output);
|
|
if (ret != S_OK) {
|
|
GST_WARNING ("selected device does not have output interface");
|
|
} else {
|
|
devices[i].output.device = decklink;
|
|
devices[i].output.clock =
|
|
gst_decklink_clock_new ("GstDecklinkOutputClock");
|
|
GST_DECKLINK_CLOCK_CAST (devices[i].output.clock)->output =
|
|
&devices[i].output;
|
|
}
|
|
|
|
ret = decklink->QueryInterface (IID_IDeckLinkConfiguration,
|
|
(void **) &devices[i].input.config);
|
|
if (ret != S_OK) {
|
|
GST_WARNING ("selected device does not have config interface");
|
|
}
|
|
|
|
ret = decklink->QueryInterface (IID_IDeckLinkAttributes,
|
|
(void **) &devices[i].input.attributes);
|
|
if (ret != S_OK) {
|
|
GST_WARNING ("selected device does not have attributes interface");
|
|
}
|
|
|
|
ret = iterator->Next (&decklink);
|
|
i++;
|
|
|
|
if (i == 10) {
|
|
GST_WARNING ("this hardware has more then 10 devices");
|
|
break;
|
|
}
|
|
}
|
|
|
|
n_devices = i;
|
|
|
|
iterator->Release ();
|
|
|
|
return NULL;
|
|
}
|
|
|
|
GstDecklinkOutput *
|
|
gst_decklink_acquire_nth_output (gint n, GstElement * sink, gboolean is_audio)
|
|
{
|
|
GstDecklinkOutput *output;
|
|
|
|
g_once (&devices_once, init_devices, NULL);
|
|
|
|
if (n >= n_devices)
|
|
return NULL;
|
|
|
|
output = &devices[n].output;
|
|
if (!output->output) {
|
|
GST_ERROR ("Device %d has no output", n);
|
|
return NULL;
|
|
}
|
|
|
|
g_mutex_lock (&output->lock);
|
|
if (is_audio && !output->audiosink) {
|
|
output->audiosink = GST_ELEMENT_CAST (gst_object_ref (sink));
|
|
g_mutex_unlock (&output->lock);
|
|
return output;
|
|
} else if (!output->videosink) {
|
|
output->videosink = GST_ELEMENT_CAST (gst_object_ref (sink));
|
|
g_mutex_unlock (&output->lock);
|
|
return output;
|
|
}
|
|
g_mutex_unlock (&output->lock);
|
|
|
|
GST_ERROR ("Output device %d (audio: %d) in use already", n, is_audio);
|
|
return NULL;
|
|
}
|
|
|
|
void
|
|
gst_decklink_release_nth_output (gint n, GstElement * sink, gboolean is_audio)
|
|
{
|
|
GstDecklinkOutput *output;
|
|
|
|
if (n >= n_devices)
|
|
return;
|
|
|
|
output = &devices[n].output;
|
|
g_assert (output->output);
|
|
|
|
g_mutex_lock (&output->lock);
|
|
if (is_audio) {
|
|
g_assert (output->audiosink == sink);
|
|
gst_object_unref (sink);
|
|
output->audiosink = NULL;
|
|
} else {
|
|
g_assert (output->videosink == sink);
|
|
gst_object_unref (sink);
|
|
output->videosink = NULL;
|
|
}
|
|
g_mutex_unlock (&output->lock);
|
|
}
|
|
|
|
void
|
|
gst_decklink_output_set_audio_clock (GstDecklinkOutput * output,
|
|
GstClock * clock)
|
|
{
|
|
g_mutex_lock (&output->lock);
|
|
if (output->audio_clock)
|
|
gst_object_unref (output->audio_clock);
|
|
output->audio_clock = clock;
|
|
if (clock)
|
|
gst_object_ref (clock);
|
|
g_mutex_unlock (&output->lock);
|
|
}
|
|
|
|
|
|
GstClock *
|
|
gst_decklink_output_get_audio_clock (GstDecklinkOutput * output)
|
|
{
|
|
GstClock *ret = NULL;
|
|
|
|
g_mutex_lock (&output->lock);
|
|
if (output->audio_clock)
|
|
ret = GST_CLOCK_CAST (gst_object_ref (output->audio_clock));
|
|
g_mutex_unlock (&output->lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
GstDecklinkInput *
|
|
gst_decklink_acquire_nth_input (gint n, GstElement * src, gboolean is_audio)
|
|
{
|
|
GstDecklinkInput *input;
|
|
|
|
g_once (&devices_once, init_devices, NULL);
|
|
|
|
if (n >= n_devices)
|
|
return NULL;
|
|
|
|
input = &devices[n].input;
|
|
if (!input->input) {
|
|
GST_ERROR ("Device %d has no input", n);
|
|
return NULL;
|
|
}
|
|
|
|
g_mutex_lock (&input->lock);
|
|
if (is_audio && !input->audiosrc) {
|
|
input->audiosrc = GST_ELEMENT_CAST (gst_object_ref (src));
|
|
g_mutex_unlock (&input->lock);
|
|
return input;
|
|
} else if (!input->videosrc) {
|
|
input->videosrc = GST_ELEMENT_CAST (gst_object_ref (src));
|
|
g_mutex_unlock (&input->lock);
|
|
return input;
|
|
}
|
|
g_mutex_unlock (&input->lock);
|
|
|
|
GST_ERROR ("Input device %d (audio: %d) in use already", n, is_audio);
|
|
return NULL;
|
|
}
|
|
|
|
void
|
|
gst_decklink_release_nth_input (gint n, GstElement * src, gboolean is_audio)
|
|
{
|
|
GstDecklinkInput *input;
|
|
|
|
if (n >= n_devices)
|
|
return;
|
|
|
|
input = &devices[n].input;
|
|
g_assert (input->input);
|
|
|
|
g_mutex_lock (&input->lock);
|
|
if (is_audio) {
|
|
g_assert (input->audiosrc == src);
|
|
gst_object_unref (src);
|
|
input->audiosrc = NULL;
|
|
} else {
|
|
g_assert (input->videosrc == src);
|
|
gst_object_unref (src);
|
|
input->videosrc = NULL;
|
|
}
|
|
g_mutex_unlock (&input->lock);
|
|
}
|
|
|
|
G_DEFINE_TYPE (GstDecklinkClock, gst_decklink_clock, GST_TYPE_SYSTEM_CLOCK);
|
|
|
|
static GstClockTime gst_decklink_clock_get_internal_time (GstClock * clock);
|
|
|
|
static void
|
|
gst_decklink_clock_class_init (GstDecklinkClockClass * klass)
|
|
{
|
|
GstClockClass *clock_class = (GstClockClass *) klass;
|
|
|
|
clock_class->get_internal_time = gst_decklink_clock_get_internal_time;
|
|
}
|
|
|
|
static void
|
|
gst_decklink_clock_init (GstDecklinkClock * clock)
|
|
{
|
|
GST_OBJECT_FLAG_SET (clock, GST_CLOCK_FLAG_CAN_SET_MASTER);
|
|
}
|
|
|
|
static GstClock *
|
|
gst_decklink_clock_new (const gchar * name)
|
|
{
|
|
GstDecklinkClock *self =
|
|
GST_DECKLINK_CLOCK (g_object_new (GST_TYPE_DECKLINK_CLOCK, "name", name,
|
|
"clock-type", GST_CLOCK_TYPE_OTHER, NULL));
|
|
|
|
return GST_CLOCK_CAST (self);
|
|
}
|
|
|
|
static GstClockTime
|
|
gst_decklink_clock_get_internal_time (GstClock * clock)
|
|
{
|
|
GstDecklinkClock *self = GST_DECKLINK_CLOCK (clock);
|
|
GstClockTime result, start_time, last_time;
|
|
GstClockTimeDiff offset;
|
|
BMDTimeValue time;
|
|
HRESULT ret;
|
|
|
|
if (self->input != NULL) {
|
|
g_mutex_lock (&self->input->lock);
|
|
start_time = self->input->clock_start_time;
|
|
offset = self->input->clock_offset;
|
|
last_time = self->input->clock_last_time;
|
|
time = -1;
|
|
if (!self->input->started) {
|
|
result = last_time;
|
|
ret = -1;
|
|
} else {
|
|
ret =
|
|
self->input->input->GetHardwareReferenceClock (GST_SECOND, &time,
|
|
NULL, NULL);
|
|
if (ret == S_OK && time >= 0) {
|
|
result = time;
|
|
if (start_time == GST_CLOCK_TIME_NONE)
|
|
start_time = self->input->clock_start_time = result;
|
|
|
|
if (result > start_time)
|
|
result -= start_time;
|
|
else
|
|
result = 0;
|
|
|
|
if (self->input->clock_restart) {
|
|
self->input->clock_offset = result - last_time;
|
|
offset = self->input->clock_offset;
|
|
self->input->clock_restart = FALSE;
|
|
}
|
|
result = MAX (last_time, result);
|
|
result -= offset;
|
|
result = MAX (last_time, result);
|
|
} else {
|
|
result = last_time;
|
|
}
|
|
|
|
self->input->clock_last_time = result;
|
|
}
|
|
result += self->input->clock_epoch;
|
|
g_mutex_unlock (&self->input->lock);
|
|
} else if (self->output != NULL) {
|
|
g_mutex_lock (&self->output->lock);
|
|
start_time = self->output->clock_start_time;
|
|
offset = self->output->clock_offset;
|
|
last_time = self->output->clock_last_time;
|
|
time = -1;
|
|
if (!self->output->started) {
|
|
result = last_time;
|
|
ret = -1;
|
|
} else {
|
|
ret =
|
|
self->output->output->GetHardwareReferenceClock (GST_SECOND, &time,
|
|
NULL, NULL);
|
|
if (ret == S_OK && time >= 0) {
|
|
result = time;
|
|
|
|
if (start_time == GST_CLOCK_TIME_NONE)
|
|
start_time = self->output->clock_start_time = result;
|
|
|
|
if (result > start_time)
|
|
result -= start_time;
|
|
else
|
|
result = 0;
|
|
|
|
if (self->output->clock_restart) {
|
|
self->output->clock_offset = result - last_time;
|
|
offset = self->output->clock_offset;
|
|
self->output->clock_restart = FALSE;
|
|
}
|
|
result = MAX (last_time, result);
|
|
result -= offset;
|
|
result = MAX (last_time, result);
|
|
} else {
|
|
result = last_time;
|
|
}
|
|
|
|
self->output->clock_last_time = result;
|
|
}
|
|
result += self->output->clock_epoch;
|
|
g_mutex_unlock (&self->output->lock);
|
|
} else {
|
|
g_assert_not_reached ();
|
|
}
|
|
GST_LOG_OBJECT (clock,
|
|
"result %" GST_TIME_FORMAT " time %" GST_TIME_FORMAT " last time %"
|
|
GST_TIME_FORMAT " offset %" GST_TIME_FORMAT " start time %"
|
|
GST_TIME_FORMAT " (ret: 0x%08x)", GST_TIME_ARGS (result),
|
|
GST_TIME_ARGS (time), GST_TIME_ARGS (last_time), GST_TIME_ARGS (offset),
|
|
GST_TIME_ARGS (start_time), ret);
|
|
|
|
return result;
|
|
}
|
|
|
|
static gboolean
|
|
plugin_init (GstPlugin * plugin)
|
|
{
|
|
GST_DEBUG_CATEGORY_INIT (gst_decklink_debug, "decklink", 0,
|
|
"debug category for decklink plugin");
|
|
|
|
gst_element_register (plugin, "decklinkaudiosink", GST_RANK_NONE,
|
|
GST_TYPE_DECKLINK_AUDIO_SINK);
|
|
gst_element_register (plugin, "decklinkvideosink", GST_RANK_NONE,
|
|
GST_TYPE_DECKLINK_VIDEO_SINK);
|
|
gst_element_register (plugin, "decklinkaudiosrc", GST_RANK_NONE,
|
|
GST_TYPE_DECKLINK_AUDIO_SRC);
|
|
gst_element_register (plugin, "decklinkvideosrc", GST_RANK_NONE,
|
|
GST_TYPE_DECKLINK_VIDEO_SRC);
|
|
return TRUE;
|
|
}
|
|
|
|
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
|
GST_VERSION_MINOR,
|
|
decklink,
|
|
"Blackmagic Decklink plugin",
|
|
plugin_init, VERSION, "LGPL", PACKAGE_NAME, GST_PACKAGE_ORIGIN)
|