2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
4 * This file is part of CasparCG (www.casparcg.com).
6 * CasparCG is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * CasparCG is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
19 * Author: Robert Nagy, ronag89@gmail.com
24 #include <common/except.h>
25 #include <common/log.h>
26 #include <core/video_format.h>
28 #include "../interop/DeckLinkAPI_h.h"
30 #include <boost/lexical_cast.hpp>
36 namespace caspar { namespace decklink {
38 static BMDDisplayMode get_decklink_video_format(core::video_format fmt)
42 case core::video_format::pal: return bmdModePAL;
43 case core::video_format::ntsc: return bmdModeNTSC;
44 case core::video_format::x576p2500: return (BMDDisplayMode)ULONG_MAX;
45 case core::video_format::x720p2500: return (BMDDisplayMode)ULONG_MAX;
46 case core::video_format::x720p5000: return bmdModeHD720p50;
47 case core::video_format::x720p5994: return bmdModeHD720p5994;
48 case core::video_format::x720p6000: return bmdModeHD720p60;
49 case core::video_format::x1080p2397: return bmdModeHD1080p2398;
50 case core::video_format::x1080p2400: return bmdModeHD1080p24;
51 case core::video_format::x1080i5000: return bmdModeHD1080i50;
52 case core::video_format::x1080i5994: return bmdModeHD1080i5994;
53 case core::video_format::x1080i6000: return bmdModeHD1080i6000;
54 case core::video_format::x1080p2500: return bmdModeHD1080p25;
55 case core::video_format::x1080p2997: return bmdModeHD1080p2997;
56 case core::video_format::x1080p3000: return bmdModeHD1080p30;
57 case core::video_format::x1080p5000: return bmdModeHD1080p50;
58 default: return (BMDDisplayMode)ULONG_MAX;
62 static core::video_format get_caspar_video_format(BMDDisplayMode fmt)
66 case bmdModePAL: return core::video_format::pal;
67 case bmdModeNTSC: return core::video_format::ntsc;
68 case bmdModeHD720p50: return core::video_format::x720p5000;
69 case bmdModeHD720p5994: return core::video_format::x720p5994;
70 case bmdModeHD720p60: return core::video_format::x720p6000;
71 case bmdModeHD1080p2398: return core::video_format::x1080p2397;
72 case bmdModeHD1080p24: return core::video_format::x1080p2400;
73 case bmdModeHD1080i50: return core::video_format::x1080i5000;
74 case bmdModeHD1080i5994: return core::video_format::x1080i5994;
75 case bmdModeHD1080i6000: return core::video_format::x1080i6000;
76 case bmdModeHD1080p25: return core::video_format::x1080p2500;
77 case bmdModeHD1080p2997: return core::video_format::x1080p2997;
78 case bmdModeHD1080p30: return core::video_format::x1080p3000;
79 case bmdModeHD1080p50: return core::video_format::x1080p5000;
80 default: return core::video_format::invalid;
84 template<typename T, typename F>
85 BMDDisplayMode get_display_mode(const T& device, BMDDisplayMode format, BMDPixelFormat pix_fmt, F flag)
87 CComPtr<IDeckLinkDisplayModeIterator> iterator;
88 CComPtr<IDeckLinkDisplayMode> mode;
90 if(SUCCEEDED(device->GetDisplayModeIterator(&iterator)))
92 while(SUCCEEDED(iterator->Next(&mode)) &&
94 mode->GetDisplayMode() != format){}
98 CASPAR_THROW_EXCEPTION(caspar_exception() << msg_info("Device could not find requested video-format.")
99 << arg_value_info(boost::lexical_cast<std::string>(format))
100 << arg_name_info("format"));
102 BMDDisplayModeSupport displayModeSupport;
103 if(FAILED(device->DoesSupportVideoMode(mode->GetDisplayMode(), pix_fmt, flag, &displayModeSupport, nullptr)) || displayModeSupport == bmdDisplayModeNotSupported)
104 CASPAR_LOG(warning) << L"Device does not support video-format: " << mode->GetDisplayMode();
105 //CASPAR_THROW_EXCEPTION(caspar_exception() << msg_info("Device does not support requested video-format.")
106 // << arg_value_info(boost::lexical_cast<std::string>(format))
107 // << arg_name_info("format"));
108 else if(displayModeSupport == bmdDisplayModeSupportedWithConversion)
109 CASPAR_LOG(warning) << L"Device supports video-format with conversion: " << mode->GetDisplayMode();
111 return mode->GetDisplayMode();
114 template<typename T, typename F>
115 static BMDDisplayMode get_display_mode(const T& device, core::video_format fmt, BMDPixelFormat pix_fmt, F flag)
117 return get_display_mode(device, get_decklink_video_format(fmt), pix_fmt, flag);
121 static std::wstring version(T& iterator)
123 CComQIPtr<IDeckLinkAPIInformation> info = iterator;
128 info->GetString(BMDDeckLinkAPIVersion, &ver);
133 static CComPtr<IDeckLink> get_device(size_t device_index)
135 CComPtr<IDeckLinkIterator> pDecklinkIterator;
136 if(FAILED(pDecklinkIterator.CoCreateInstance(CLSID_CDeckLinkIterator)))
137 CASPAR_THROW_EXCEPTION(caspar_exception() << msg_info("Decklink drivers not found."));
140 CComPtr<IDeckLink> decklink;
141 while(n < device_index && pDecklinkIterator->Next(&decklink) == S_OK){++n;}
143 if(n != device_index || !decklink)
144 CASPAR_THROW_EXCEPTION(caspar_exception() << msg_info("Decklink device not found.") << arg_name_info("device_index") << arg_value_info(boost::lexical_cast<std::string>(device_index)));
149 template <typename T>
150 static std::wstring get_model_name(const T& device)
153 device->GetModelName(&pModelName);
154 return std::wstring(pModelName);