mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-03 16:09:39 +00:00
5725bad218
gstdecklink.cpp: In member function ‘virtual HRESULT GStreamerDecklinkInputCallback::VideoInputFrameArrived(IDeckLinkVideoInputFrame*, IDeckLinkAudioInputPacket*)’:
gstdecklink.cpp:766:34: error: ‘base_time’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
capture_time -= base_time;
^
1290 lines
38 KiB
C++
1290 lines
38 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, "Automatic detection", "auto"},
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{GST_DECKLINK_MODE_NTSC, "NTSC SD 60i", "ntsc"},
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{GST_DECKLINK_MODE_NTSC2398, "NTSC SD 60i (24 fps)", "ntsc2398"},
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{GST_DECKLINK_MODE_PAL, "PAL SD 50i", "pal"},
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{GST_DECKLINK_MODE_NTSC_P, "NTSC SD 60p", "ntsc-p"},
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{GST_DECKLINK_MODE_PAL_P, "PAL SD 50p", "pal-p"},
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{GST_DECKLINK_MODE_1080p2398, "HD1080 23.98p", "1080p2398"},
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{GST_DECKLINK_MODE_1080p24, "HD1080 24p", "1080p24"},
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{GST_DECKLINK_MODE_1080p25, "HD1080 25p", "1080p25"},
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{GST_DECKLINK_MODE_1080p2997, "HD1080 29.97p", "1080p2997"},
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{GST_DECKLINK_MODE_1080p30, "HD1080 30p", "1080p30"},
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{GST_DECKLINK_MODE_1080i50, "HD1080 50i", "1080i50"},
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{GST_DECKLINK_MODE_1080i5994, "HD1080 59.94i", "1080i5994"},
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{GST_DECKLINK_MODE_1080i60, "HD1080 60i", "1080i60"},
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{GST_DECKLINK_MODE_1080p50, "HD1080 50p", "1080p50"},
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{GST_DECKLINK_MODE_1080p5994, "HD1080 59.94p", "1080p5994"},
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{GST_DECKLINK_MODE_1080p60, "HD1080 60p", "1080p60"},
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{GST_DECKLINK_MODE_720p50, "HD720 50p", "720p50"},
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{GST_DECKLINK_MODE_720p5994, "HD720 59.94p", "720p5994"},
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{GST_DECKLINK_MODE_720p60, "HD720 60p", "720p60"},
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{GST_DECKLINK_MODE_1556p2398, "2k 23.98p", "1556p2398"},
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{GST_DECKLINK_MODE_1556p24, "2k 24p", "1556p24"},
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{GST_DECKLINK_MODE_1556p25, "2k 25p", "1556p25"},
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{GST_DECKLINK_MODE_2160p2398, "4k 23.98p", "2160p2398"},
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{GST_DECKLINK_MODE_2160p24, "4k 24p", "2160p24"},
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{GST_DECKLINK_MODE_2160p25, "4k 25p", "2160p25"},
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{GST_DECKLINK_MODE_2160p2997, "4k 29.97p", "2160p2997"},
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{GST_DECKLINK_MODE_2160p30, "4k 30p", "2160p30"},
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{GST_DECKLINK_MODE_2160p50, "4k 50p", "2160p50"},
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{GST_DECKLINK_MODE_2160p5994, "4k 59.94p", "2160p5994"},
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{GST_DECKLINK_MODE_2160p60, "4k 60p", "2160p60"},
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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, "S-Video", "svideo"},
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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_video_format_get_type (void)
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{
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static gsize id = 0;
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static const GEnumValue types[] = {
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{GST_DECKLINK_VIDEO_FORMAT_AUTO, "Auto", "auto"},
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{GST_DECKLINK_VIDEO_FORMAT_8BIT_YUV, "bmdFormat8BitYUV", "8bit-yuv"},
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{GST_DECKLINK_VIDEO_FORMAT_10BIT_YUV, "bmdFormat10BitYUV", "10bit-yuv"},
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{GST_DECKLINK_VIDEO_FORMAT_8BIT_ARGB, "bmdFormat8BitARGB", "8bit-argb"},
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{GST_DECKLINK_VIDEO_FORMAT_8BIT_BGRA, "bmdFormat8BitBGRA", "8bit-bgra"},
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/* Not yet supported:
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{GST_DECKLINK_VIDEO_FORMAT_10BIT_RGB, "bmdFormat10BitRGB", "10bit-rgb"},
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{GST_DECKLINK_VIDEO_FORMAT_12BIT_RGB, "bmdFormat12BitRGB", "12bit-rgb"},
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{GST_DECKLINK_VIDEO_FORMAT_12BIT_RGBLE, "bmdFormat12BitRGBLE", "12bit-rgble"},
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{GST_DECKLINK_VIDEO_FORMAT_10BIT_RGBXLE, "bmdFormat10BitRGBXLE", "10bit-rgbxle"},
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{GST_DECKLINK_VIDEO_FORMAT_10BIT_RGBX, "bmdFormat10BitRGBX", "10bit-rgbx"},
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*/
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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 ("GstDecklinkVideoFormat", types);
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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_timecode_format_get_type (void)
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{
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static gsize id = 0;
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static const GEnumValue timecodeformats[] = {
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{GST_DECKLINK_TIMECODE_FORMAT_RP188VITC1, "bmdTimecodeRP188VITC1",
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"rp188vitc1"},
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{GST_DECKLINK_TIMECODE_FORMAT_RP188VITC2, "bmdTimecodeRP188VITC2",
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"rp188vitc2"},
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{GST_DECKLINK_TIMECODE_FORMAT_RP188LTC, "bmdTimecodeRP188LTC", "rp188ltc"},
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{GST_DECKLINK_TIMECODE_FORMAT_RP188ANY, "bmdTimecodeRP188Any", "rp188any"},
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{GST_DECKLINK_TIMECODE_FORMAT_VITC, "bmdTimecodeVITC", "vitc"},
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{GST_DECKLINK_TIMECODE_FORMAT_VITCFIELD2, "bmdTimecodeVITCField2",
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"vitcfield2"},
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{GST_DECKLINK_TIMECODE_FORMAT_SERIAL, "bmdTimecodeSerial", "serial"},
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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 ("GstDecklinkTimecodeFormat", timecodeformats);
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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, "Automatic", "auto"},
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{GST_DECKLINK_AUDIO_CONNECTION_EMBEDDED, "SDI/HDMI embedded audio",
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"embedded"},
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{GST_DECKLINK_AUDIO_CONNECTION_AES_EBU, "AES/EBU input", "aes"},
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{GST_DECKLINK_AUDIO_CONNECTION_ANALOG, "Analog input", "analog"},
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{GST_DECKLINK_AUDIO_CONNECTION_ANALOG_XLR, "Analog input (XLR)",
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"analog-xlr"},
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{GST_DECKLINK_AUDIO_CONNECTION_ANALOG_RCA, "Analog input (RCA)",
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"analog-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, true, "bt709"
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#define UHD 1, 1, true, "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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static const struct
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{
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BMDPixelFormat format;
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gint bpp;
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GstVideoFormat vformat;
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} formats[] = {
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/* *INDENT-OFF* */
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{bmdFormat8BitYUV, 2, GST_VIDEO_FORMAT_UYVY}, /* auto */
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{bmdFormat8BitYUV, 2, GST_VIDEO_FORMAT_UYVY},
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{bmdFormat10BitYUV, 4, GST_VIDEO_FORMAT_v210},
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{bmdFormat8BitARGB, 4, GST_VIDEO_FORMAT_ARGB},
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{bmdFormat8BitBGRA, 4, GST_VIDEO_FORMAT_BGRA},
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/* Not yet supported
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{bmdFormat10BitRGB, FIXME, FIXME},
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{bmdFormat12BitRGB, FIXME, FIXME},
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{bmdFormat12BitRGBLE, FIXME, FIXME},
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{bmdFormat10BitRGBXLE, FIXME, FIXME},
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{bmdFormat10BitRGBX, FIXME, FIXME} */
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/* *INDENT-ON* */
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};
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static const struct
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{
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BMDTimecodeFormat format;
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GstDecklinkTimecodeFormat gstformat;
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} tcformats[] = {
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/* *INDENT-OFF* */
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{bmdTimecodeRP188VITC1, GST_DECKLINK_TIMECODE_FORMAT_RP188VITC1},
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{bmdTimecodeRP188VITC2, GST_DECKLINK_TIMECODE_FORMAT_RP188VITC2},
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{bmdTimecodeRP188LTC, GST_DECKLINK_TIMECODE_FORMAT_RP188LTC},
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{bmdTimecodeRP188Any, GST_DECKLINK_TIMECODE_FORMAT_RP188ANY},
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{bmdTimecodeVITC, GST_DECKLINK_TIMECODE_FORMAT_VITC},
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{bmdTimecodeVITCField2, GST_DECKLINK_TIMECODE_FORMAT_VITCFIELD2},
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{bmdTimecodeSerial, GST_DECKLINK_TIMECODE_FORMAT_SERIAL}
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/* *INDENT-ON* */
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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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|
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const BMDPixelFormat
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gst_decklink_pixel_format_from_type (GstDecklinkVideoFormat t)
|
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{
|
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return formats[t].format;
|
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}
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|
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const gint
|
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gst_decklink_bpp_from_type (GstDecklinkVideoFormat t)
|
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{
|
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return formats[t].bpp;
|
|
}
|
|
|
|
const GstDecklinkVideoFormat
|
|
gst_decklink_type_from_video_format (GstVideoFormat f)
|
|
{
|
|
guint i;
|
|
|
|
for (i = 1; i < G_N_ELEMENTS (formats); i++) {
|
|
if (formats[i].vformat == f)
|
|
return (GstDecklinkVideoFormat) i;
|
|
}
|
|
g_assert_not_reached ();
|
|
return GST_DECKLINK_VIDEO_FORMAT_AUTO;
|
|
}
|
|
|
|
const BMDTimecodeFormat
|
|
gst_decklink_timecode_format_from_enum (GstDecklinkTimecodeFormat f)
|
|
{
|
|
return tcformats[f].format;
|
|
}
|
|
|
|
const GstDecklinkTimecodeFormat
|
|
gst_decklink_timecode_format_to_enum (BMDTimecodeFormat f)
|
|
{
|
|
guint i;
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (tcformats); i++) {
|
|
if (tcformats[i].format == f)
|
|
return (GstDecklinkTimecodeFormat) i;
|
|
}
|
|
g_assert_not_reached ();
|
|
return GST_DECKLINK_TIMECODE_FORMAT_RP188ANY;
|
|
}
|
|
|
|
static const BMDVideoConnection connections[] = {
|
|
0, /* auto */
|
|
bmdVideoConnectionSDI,
|
|
bmdVideoConnectionHDMI,
|
|
bmdVideoConnectionOpticalSDI,
|
|
bmdVideoConnectionComponent,
|
|
bmdVideoConnectionComposite,
|
|
bmdVideoConnectionSVideo
|
|
};
|
|
|
|
const BMDVideoConnection
|
|
gst_decklink_get_connection (GstDecklinkConnectionEnum e)
|
|
{
|
|
g_return_val_if_fail (e != GST_DECKLINK_CONNECTION_AUTO,
|
|
bmdVideoConnectionSDI);
|
|
|
|
if (e <= GST_DECKLINK_CONNECTION_AUTO || e > GST_DECKLINK_CONNECTION_SVIDEO)
|
|
e = GST_DECKLINK_CONNECTION_SDI;
|
|
|
|
return connections[e];
|
|
}
|
|
|
|
static gboolean
|
|
gst_decklink_caps_get_pixel_format (GstCaps * caps, BMDPixelFormat * format)
|
|
{
|
|
GstVideoInfo vinfo;
|
|
GstVideoFormat f;
|
|
|
|
if (gst_video_info_from_caps (&vinfo, caps) == FALSE) {
|
|
GST_ERROR ("Could not get video info from caps: %" GST_PTR_FORMAT, caps);
|
|
return FALSE;
|
|
}
|
|
|
|
f = vinfo.finfo->format;
|
|
return gst_decklink_type_from_video_format (f);
|
|
}
|
|
|
|
static GstStructure *
|
|
gst_decklink_mode_get_structure (GstDecklinkModeEnum e, BMDPixelFormat f, gboolean input)
|
|
{
|
|
const GstDecklinkMode *mode = &modes[e];
|
|
GstStructure *s = gst_structure_new ("video/x-raw",
|
|
"width", G_TYPE_INT, mode->width,
|
|
"height", G_TYPE_INT, mode->height,
|
|
"pixel-aspect-ratio", GST_TYPE_FRACTION, mode->par_n, mode->par_d,
|
|
"interlace-mode", G_TYPE_STRING,
|
|
mode->interlaced ? "interleaved" : "progressive",
|
|
"framerate", GST_TYPE_FRACTION, mode->fps_n, mode->fps_d, NULL);
|
|
|
|
if (input && mode->interlaced) {
|
|
if (mode->tff)
|
|
gst_structure_set (s, "field-order", G_TYPE_STRING, "top-field-first", NULL);
|
|
else
|
|
gst_structure_set (s, "field-order", G_TYPE_STRING, "bottom-field-first", NULL);
|
|
}
|
|
|
|
switch (f) {
|
|
case bmdFormat8BitYUV: /* '2vuy' */
|
|
gst_structure_set (s, "format", G_TYPE_STRING, "UYVY",
|
|
"colorimetry", G_TYPE_STRING, mode->colorimetry,
|
|
"chroma-site", G_TYPE_STRING, "mpeg2", NULL);
|
|
break;
|
|
case bmdFormat10BitYUV: /* 'v210' */
|
|
gst_structure_set (s, "format", G_TYPE_STRING, "v210", NULL);
|
|
break;
|
|
case bmdFormat8BitARGB: /* 'ARGB' */
|
|
gst_structure_set (s, "format", G_TYPE_STRING, "ARGB", NULL);
|
|
break;
|
|
case bmdFormat8BitBGRA: /* 'BGRA' */
|
|
gst_structure_set (s, "format", G_TYPE_STRING, "BGRA", NULL);
|
|
break;
|
|
case bmdFormat10BitRGB: /* 'r210' Big-endian RGB 10-bit per component with SMPTE video levels (64-960). Packed as 2:10:10:10 */
|
|
case bmdFormat12BitRGB: /* 'R12B' Big-endian RGB 12-bit per component with full range (0-4095). Packed as 12-bit per component */
|
|
case bmdFormat12BitRGBLE: /* 'R12L' Little-endian RGB 12-bit per component with full range (0-4095). Packed as 12-bit per component */
|
|
case bmdFormat10BitRGBXLE: /* 'R10l' Little-endian 10-bit RGB with SMPTE video levels (64-940) */
|
|
case bmdFormat10BitRGBX: /* 'R10b' Big-endian 10-bit RGB with SMPTE video levels (64-940) */
|
|
default:
|
|
GST_WARNING ("format not supported %d", f);
|
|
gst_structure_free (s);
|
|
s = NULL;
|
|
break;
|
|
}
|
|
|
|
return s;
|
|
}
|
|
|
|
GstCaps *
|
|
gst_decklink_mode_get_caps (GstDecklinkModeEnum e, BMDPixelFormat f, gboolean input)
|
|
{
|
|
GstCaps *caps;
|
|
|
|
caps = gst_caps_new_empty ();
|
|
caps =
|
|
gst_caps_merge_structure (caps, gst_decklink_mode_get_structure (e, f, input));
|
|
|
|
return caps;
|
|
}
|
|
|
|
GstCaps *
|
|
gst_decklink_mode_get_caps_all_formats (GstDecklinkModeEnum e, gboolean input)
|
|
{
|
|
GstCaps *caps;
|
|
guint i;
|
|
|
|
caps = gst_caps_new_empty ();
|
|
for (i = 1; i < G_N_ELEMENTS (formats); i++)
|
|
caps =
|
|
gst_caps_merge_structure (caps, gst_decklink_mode_get_structure (e,
|
|
formats[i].format, input));
|
|
|
|
return caps;
|
|
}
|
|
|
|
GstCaps *
|
|
gst_decklink_pixel_format_get_caps (BMDPixelFormat f, gboolean input)
|
|
{
|
|
int i;
|
|
GstCaps *caps;
|
|
GstStructure *s;
|
|
|
|
caps = gst_caps_new_empty ();
|
|
for (i = 1; i < (int) G_N_ELEMENTS (modes); i++) {
|
|
s = gst_decklink_mode_get_structure ((GstDecklinkModeEnum) i, f, input);
|
|
caps = gst_caps_merge_structure (caps, s);
|
|
}
|
|
|
|
return caps;
|
|
}
|
|
|
|
GstCaps *
|
|
gst_decklink_mode_get_template_caps (gboolean input)
|
|
{
|
|
int i;
|
|
GstCaps *caps;
|
|
|
|
caps = gst_caps_new_empty ();
|
|
for (i = 1; i < (int) G_N_ELEMENTS (modes); i++)
|
|
caps =
|
|
gst_caps_merge (caps,
|
|
gst_decklink_mode_get_caps_all_formats ((GstDecklinkModeEnum) i, input));
|
|
|
|
return caps;
|
|
}
|
|
|
|
const GstDecklinkMode *
|
|
gst_decklink_find_mode_and_format_for_caps (GstCaps * caps,
|
|
BMDPixelFormat * format)
|
|
{
|
|
int i;
|
|
GstCaps *mode_caps;
|
|
|
|
g_return_val_if_fail (gst_caps_is_fixed (caps), NULL);
|
|
if (!gst_decklink_caps_get_pixel_format (caps, format))
|
|
return NULL;
|
|
|
|
for (i = 1; i < (int) G_N_ELEMENTS (modes); i++) {
|
|
mode_caps = gst_decklink_mode_get_caps ((GstDecklinkModeEnum) i, *format, FALSE);
|
|
if (gst_caps_can_intersect (caps, mode_caps)) {
|
|
gst_caps_unref (mode_caps);
|
|
return gst_decklink_get_mode ((GstDecklinkModeEnum) i);
|
|
}
|
|
gst_caps_unref (mode_caps);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
const GstDecklinkMode *
|
|
gst_decklink_find_mode_for_caps (GstCaps * caps)
|
|
{
|
|
BMDPixelFormat format;
|
|
|
|
return gst_decklink_find_mode_and_format_for_caps (caps, &format);
|
|
}
|
|
|
|
#define GST_TYPE_DECKLINK_CLOCK \
|
|
(gst_decklink_clock_get_type())
|
|
#define GST_DECKLINK_CLOCK(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DECKLINK_CLOCK,GstDecklinkClock))
|
|
#define GST_DECKLINK_CLOCK_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DECKLINK_CLOCK,GstDecklinkClockClass))
|
|
#define GST_IS_Decklink_CLOCK(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DECKLINK_CLOCK))
|
|
#define GST_IS_Decklink_CLOCK_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DECKLINK_CLOCK))
|
|
#define GST_DECKLINK_CLOCK_CAST(obj) \
|
|
((GstDecklinkClock*)(obj))
|
|
|
|
typedef struct _GstDecklinkClock GstDecklinkClock;
|
|
typedef struct _GstDecklinkClockClass GstDecklinkClockClass;
|
|
|
|
struct _GstDecklinkClock
|
|
{
|
|
GstSystemClock clock;
|
|
|
|
GstDecklinkOutput *output;
|
|
};
|
|
|
|
struct _GstDecklinkClockClass
|
|
{
|
|
GstSystemClockClass parent_class;
|
|
};
|
|
|
|
GType gst_decklink_clock_get_type (void);
|
|
static GstClock *gst_decklink_clock_new (const gchar * name);
|
|
|
|
typedef struct _Device Device;
|
|
struct _Device
|
|
{
|
|
GstDecklinkOutput output;
|
|
GstDecklinkInput input;
|
|
};
|
|
|
|
class GStreamerDecklinkInputCallback:public IDeckLinkInputCallback
|
|
{
|
|
private:
|
|
GstDecklinkInput * m_input;
|
|
GMutex m_mutex;
|
|
gint m_refcount;
|
|
public:
|
|
GStreamerDecklinkInputCallback (GstDecklinkInput * input)
|
|
: IDeckLinkInputCallback (), m_refcount (1)
|
|
{
|
|
m_input = input;
|
|
g_mutex_init (&m_mutex);
|
|
}
|
|
|
|
virtual ~ GStreamerDecklinkInputCallback ()
|
|
{
|
|
g_mutex_clear (&m_mutex);
|
|
}
|
|
|
|
virtual HRESULT STDMETHODCALLTYPE QueryInterface (REFIID, LPVOID *)
|
|
{
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
virtual ULONG STDMETHODCALLTYPE AddRef (void)
|
|
{
|
|
ULONG ret;
|
|
|
|
g_mutex_lock (&m_mutex);
|
|
m_refcount++;
|
|
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 formatFlags)
|
|
{
|
|
BMDPixelFormat pixelFormat = bmdFormat8BitYUV;
|
|
|
|
GST_INFO ("Video input format changed");
|
|
|
|
if (formatFlags & bmdDetectedVideoInputRGB444)
|
|
pixelFormat = bmdFormat8BitARGB;
|
|
|
|
g_mutex_lock (&m_input->lock);
|
|
m_input->input->PauseStreams ();
|
|
m_input->input->EnableVideoInput (mode->GetDisplayMode (),
|
|
pixelFormat, 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 ()));
|
|
m_input->format = pixelFormat;
|
|
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 stream_time,
|
|
GstClockTime stream_duration, guint hours, guint minutes, guint seconds,
|
|
guint frames, BMDTimecodeFlags bflags, gboolean no_signal) = NULL;
|
|
void (*got_audio_packet) (GstElement * videosrc,
|
|
IDeckLinkAudioInputPacket * packet, GstClockTime capture_time,
|
|
GstClockTime packet_time, gboolean no_signal) = NULL;
|
|
GstDecklinkModeEnum mode;
|
|
GstClockTime capture_time = GST_CLOCK_TIME_NONE;
|
|
GstClockTime base_time = 0;
|
|
gboolean no_signal = FALSE;
|
|
GstClock *clock = NULL;
|
|
HRESULT res;
|
|
|
|
g_mutex_lock (&m_input->lock);
|
|
if (m_input->videosrc) {
|
|
videosrc = GST_ELEMENT_CAST (gst_object_ref (m_input->videosrc));
|
|
clock = gst_element_get_clock (videosrc);
|
|
base_time = gst_element_get_base_time (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));
|
|
if (!clock) {
|
|
clock = gst_element_get_clock (GST_ELEMENT_CAST (audiosrc));
|
|
base_time = gst_element_get_base_time (audiosrc);
|
|
}
|
|
got_audio_packet = m_input->got_audio_packet;
|
|
}
|
|
g_mutex_unlock (&m_input->lock);
|
|
|
|
if (clock) {
|
|
capture_time = gst_clock_get_time (clock);
|
|
if (capture_time > base_time)
|
|
capture_time -= base_time;
|
|
else
|
|
capture_time = 0;
|
|
}
|
|
|
|
if (video_frame) {
|
|
BMDFrameFlags flags;
|
|
|
|
flags = video_frame->GetFlags ();
|
|
if (flags & bmdFrameHasNoInputSource) {
|
|
no_signal = TRUE;
|
|
}
|
|
}
|
|
|
|
if (got_video_frame && videosrc && video_frame) {
|
|
BMDTimeValue stream_time = GST_CLOCK_TIME_NONE;
|
|
BMDTimeValue stream_duration = GST_CLOCK_TIME_NONE;
|
|
IDeckLinkTimecode *dtc;
|
|
uint8_t hours, minutes, seconds, frames;
|
|
BMDTimecodeFlags bflags;
|
|
|
|
hours = minutes = seconds = frames = bflags = 0;
|
|
|
|
res =
|
|
video_frame->GetStreamTime (&stream_time, &stream_duration,
|
|
GST_SECOND);
|
|
if (res != S_OK) {
|
|
GST_ERROR ("Failed to get stream time: 0x%08x", res);
|
|
stream_time = GST_CLOCK_TIME_NONE;
|
|
stream_duration = GST_CLOCK_TIME_NONE;
|
|
}
|
|
|
|
if (m_input->videosrc) {
|
|
/* FIXME: Avoid circularity between gstdecklink.cpp and
|
|
* gstdecklinkvideosrc.cpp */
|
|
res =
|
|
video_frame->
|
|
GetTimecode (GST_DECKLINK_VIDEO_SRC (videosrc)->timecode_format,
|
|
&dtc);
|
|
|
|
if (res != S_OK) {
|
|
GST_DEBUG_OBJECT (videosrc, "Failed to get timecode: 0x%08x", res);
|
|
dtc = NULL;
|
|
} else {
|
|
res = dtc->GetComponents (&hours, &minutes, &seconds, &frames);
|
|
if (res != S_OK) {
|
|
GST_ERROR ("Could not get components for timecode %p: 0x%08x", dtc,
|
|
res);
|
|
hours = 0;
|
|
minutes = 0;
|
|
seconds = 0;
|
|
frames = 0;
|
|
bflags = 0;
|
|
} else {
|
|
GST_DEBUG_OBJECT (videosrc, "Got timecode %02d:%02d:%02d:%02d",
|
|
hours, minutes, seconds, frames);
|
|
bflags = dtc->GetFlags ();
|
|
}
|
|
}
|
|
}
|
|
|
|
got_video_frame (videosrc, video_frame, mode, capture_time,
|
|
stream_time, stream_duration, (guint8) hours, (guint8) minutes,
|
|
(guint8) seconds, (guint8) frames, bflags, no_signal);
|
|
}
|
|
|
|
if (got_audio_packet && audiosrc && audio_packet) {
|
|
BMDTimeValue packet_time = GST_CLOCK_TIME_NONE;
|
|
|
|
res = audio_packet->GetPacketTime (&packet_time, GST_SECOND);
|
|
if (res != S_OK) {
|
|
GST_ERROR ("Failed to get stream time: 0x%08x", res);
|
|
packet_time = GST_CLOCK_TIME_NONE;
|
|
}
|
|
m_input->got_audio_packet (audiosrc, audio_packet, capture_time,
|
|
packet_time, no_signal);
|
|
} else {
|
|
if (!audio_packet)
|
|
GST_DEBUG ("Received no audio packet at %" GST_TIME_FORMAT,
|
|
GST_TIME_ARGS (capture_time));
|
|
}
|
|
|
|
gst_object_replace ((GstObject **) & videosrc, NULL);
|
|
gst_object_replace ((GstObject **) & audiosrc, NULL);
|
|
gst_object_replace ((GstObject **) & clock, 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: 0x%08x",
|
|
ret);
|
|
} else {
|
|
IDeckLinkDisplayModeIterator *mode_iter;
|
|
|
|
devices[i].input.device = decklink;
|
|
devices[i].input.
|
|
input->SetCallback (new GStreamerDecklinkInputCallback (&devices[i].
|
|
input));
|
|
|
|
if ((ret =
|
|
devices[i].input.input->GetDisplayModeIterator (&mode_iter)) ==
|
|
S_OK) {
|
|
IDeckLinkDisplayMode *mode;
|
|
|
|
GST_DEBUG ("Input %d supports:", i);
|
|
while ((ret = mode_iter->Next (&mode)) == S_OK) {
|
|
const char *name;
|
|
|
|
mode->GetName (&name);
|
|
GST_DEBUG (" %s mode: 0x%08x width: %ld height: %ld"
|
|
" fields: 0x%08x flags: 0x%08x", name,
|
|
(int) mode->GetDisplayMode (), mode->GetWidth (),
|
|
mode->GetHeight (), (int) mode->GetFieldDominance (),
|
|
(int) mode->GetFlags ());
|
|
mode->Release ();
|
|
}
|
|
mode_iter->Release ();
|
|
}
|
|
ret = S_OK;
|
|
}
|
|
|
|
ret = decklink->QueryInterface (IID_IDeckLinkOutput,
|
|
(void **) &devices[i].output.output);
|
|
if (ret != S_OK) {
|
|
GST_WARNING ("selected device does not have output interface: 0x%08x",
|
|
ret);
|
|
} else {
|
|
IDeckLinkDisplayModeIterator *mode_iter;
|
|
|
|
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;
|
|
|
|
if ((ret =
|
|
devices[i].output.output->GetDisplayModeIterator (&mode_iter)) ==
|
|
S_OK) {
|
|
IDeckLinkDisplayMode *mode;
|
|
|
|
GST_DEBUG ("Output %d supports:", i);
|
|
while ((ret = mode_iter->Next (&mode)) == S_OK) {
|
|
const char *name;
|
|
|
|
mode->GetName (&name);
|
|
GST_DEBUG (" %s mode: 0x%08x width: %ld height: %ld"
|
|
" fields: 0x%08x flags: 0x%08x", name,
|
|
(int) mode->GetDisplayMode (), mode->GetWidth (),
|
|
mode->GetHeight (), (int) mode->GetFieldDominance (),
|
|
(int) mode->GetFlags ());
|
|
mode->Release ();
|
|
}
|
|
mode_iter->Release ();
|
|
}
|
|
ret = S_OK;
|
|
}
|
|
|
|
ret = decklink->QueryInterface (IID_IDeckLinkConfiguration,
|
|
(void **) &devices[i].input.config);
|
|
if (ret != S_OK) {
|
|
GST_WARNING ("selected device does not have config interface: 0x%08x",
|
|
ret);
|
|
}
|
|
|
|
ret = decklink->QueryInterface (IID_IDeckLinkAttributes,
|
|
(void **) &devices[i].input.attributes);
|
|
devices[i].output.attributes = devices[i].input.attributes;
|
|
if (ret != S_OK) {
|
|
GST_WARNING ("selected device does not have attributes interface: 0x%08x",
|
|
ret);
|
|
}
|
|
|
|
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;
|
|
|
|
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);
|
|
|
|
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)
|