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e119f56b06e99307df8f4bbab4816ccd7fb5971c
UltraGrid/src/blackmagic_common.cpp
Martin Pulec e119f56b06 decklink: codec/connection listing in/out spec 
Specify explictly that the supported input/output codec/connection
is for input or output (it can differ for direction, see prev commit).
2025-10-03 12:22:04 +02:00

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/**
* @file blackmagic_common.cpp
* @author Martin Pulec <pulec@cesnet.cz>
*/
/*
* Copyright (c) 2014-2025 CESNET, zájmové sdružení právnických osob
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, is permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of CESNET nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <algorithm>
#include <atomic> // for atomic
#include <cassert>
#include <cctype> // for isxdigit
#include <chrono> // for seconds
#include <climits> // for UINT_MAX
#include <cinttypes> // for PRId64
#include <condition_variable>
#include <csignal>
#include <cstdio> // for fprintf, stderr
#include <cstdint> // for int64_t, uint32_t
#include <cstdlib> // for free
#include <cstring> // for strlen, NULL, strdup, memcpy, size_t
#include <iomanip>
#include <iterator> // for pair
#include <map>
#include <mutex> // for mutex, lock_guard, unique_lock
#include <sstream>
#include <stdexcept>
#include <utility>
#include "compat/misc.h" // for strncasecmp
#include "compat/net.h" // for htonl, ntohl
#include "compat/strings.h" // for strncasecmp
#include "DeckLinkAPIVersion.h"
#include "blackmagic_common.hpp"
#include "debug.h"
#include "host.h"
#include "tv.h"
#include "utils/color_out.h"
#include "utils/debug.h" // for DEBUG_TIMER_*
#include "utils/macros.h"
#include "utils/string.h" // for DELDEL
#include "utils/windows.h"
#include "utils/worker.h"
// BMD sometimes do a ABI bump that entirely breaks compatibility (eg. changing
// GUIDs), this can be inspected by checking the "versioned" DeckLinkAPI here:
// <https://github.com/MartinPulec/desktopvideo_sdk-api/tree/main/Linux/include>
#define BMD_LAST_INCOMPATIBLE_ABI 0x0b050100 // 11.5.1
#if BLACKMAGIC_DECKLINK_API_VERSION > 0x0c080000
#warning \
"Increased BMD API - enum diffs recheck recommends (or just increase the compared API version)"
#endif
#define MOD_NAME "[DeckLink] "
using std::clamp;
using std::fixed;
using std::hex;
using std::invalid_argument;
using std::map;
using std::min;
using std::pair;
using std::ostringstream;
using std::setfill;
using std::setw;
using std::stod;
using std::stoi;
using std::string;
using std::uppercase;
using std::vector;
string bmd_hresult_to_string(HRESULT res)
{
const char *errptr = nullptr;
#ifdef _WIN32
errptr = hresult_to_str(res);
#else
HRESULT_GET_ERROR_COMMON(res, errptr)
#endif
ostringstream oss;
if (errptr) {
oss << errptr;
}
oss << " " << "(0x" << hex << setfill('0') << setw(8) << res << ")";
return oss.str();
}
/**
* returned c-sring needs to be freed when not used
*/
char *get_cstr_from_bmd_api_str(BMD_STR bmd_string)
{
if (!bmd_string) {
return strdup("(NULL!)");
}
char *cstr;
#ifdef __APPLE__
size_t len = CFStringGetMaximumSizeForEncoding(CFStringGetLength(bmd_string), kCFStringEncodingUTF8) + 1;
cstr = (char *) malloc(len);
CFStringGetCString(bmd_string, (char *) cstr, len, kCFStringEncodingUTF8);
#elif defined _WIN32
size_t len = SysStringLen(bmd_string) * 4 + 1;
cstr = (char *) malloc(len);
wcstombs((char *) cstr, bmd_string, len);
#else // Linux
cstr = strdup(bmd_string);
#endif
return cstr;
}
BMD_STR get_bmd_api_str_from_cstr(const char *cstr)
{
#ifdef __APPLE__
return CFStringCreateWithCString(kCFAllocatorMalloc, cstr, kCFStringEncodingUTF8);
#elif defined _WIN32
mbstate_t mbstate{};
const char *tmp = cstr;
size_t required_size = mbsrtowcs(NULL, &tmp, 0, &mbstate) + 1;
BMD_STR out = (wchar_t *) malloc(required_size * sizeof(wchar_t));
mbsrtowcs(out, &tmp, required_size, &mbstate);
return out;
#else
return strdup(cstr);
#endif
}
void release_bmd_api_str(BMD_STR string)
{
if (!string) {
return;
}
#ifdef __APPLE__
CFRelease(string);
#elif defined _WIN32
SysFreeString(string);
#else
free(const_cast<char *>(string));
#endif
}
std::string get_str_from_bmd_api_str(BMD_STR string)
{
char *displayModeCString = get_cstr_from_bmd_api_str(string);
std::string out = displayModeCString;
free(displayModeCString);
return out;
}
/**
* @param[out] com_initialized pointer to be passed to decklnk_uninitialize
(keeps information if COM needs to be uninitialized)
* @note
* Each successful call (returning non-null pointer) of this function
* should be followed by com_uninitialize() when done with DeckLink (not when releasing
* IDeckLinkIterator!), typically on application shutdown.
*/
IDeckLinkIterator *create_decklink_iterator(bool *com_initialized, bool verbose)
{
IDeckLinkIterator *deckLinkIterator = nullptr;
#ifdef _WIN32
com_initialize(com_initialized, "[BMD] ");
HRESULT result = CoCreateInstance(CLSID_CDeckLinkIterator, NULL, CLSCTX_ALL,
IID_IDeckLinkIterator, (void **) &deckLinkIterator);
if (FAILED(result)) {
decklink_uninitialize(com_initialized);
deckLinkIterator = nullptr;
}
#else
*com_initialized = false;
deckLinkIterator = CreateDeckLinkIteratorInstance();
#endif
if (!deckLinkIterator && verbose) {
log_msg(LOG_LEVEL_ERROR, "A DeckLink iterator could not be created. The DeckLink drivers may not be installed or are outdated.\n");
log_msg(LOG_LEVEL_INFO, "This UltraGrid version was compiled with DeckLink drivers %s. You should have at least this version.\n\n",
BLACKMAGIC_DECKLINK_API_VERSION_STRING);
}
return deckLinkIterator;
}
void decklink_uninitialize(bool *com_initialized)
{
com_uninitialize(com_initialized);
}
bool blackmagic_api_version_check()
{
bool ret = false;
IDeckLinkAPIInformation *APIInformation = NULL;
HRESULT result;
bool com_initialized = false;
if (!com_initialize(&com_initialized, "[BMD] ")) {
goto cleanup;
}
#ifdef _WIN32
result = CoCreateInstance(CLSID_CDeckLinkAPIInformation, NULL, CLSCTX_ALL,
IID_IDeckLinkAPIInformation, (void **) &APIInformation);
if(FAILED(result)) {
#else
APIInformation = CreateDeckLinkAPIInformationInstance();
if(APIInformation == NULL) {
#endif
log_msg(LOG_LEVEL_ERROR, "Cannot get API information! Perhaps drivers not installed.\n");
goto cleanup;
}
int64_t value;
result = APIInformation->GetInt(BMDDeckLinkAPIVersion, &value);
if(result != S_OK) {
log_msg(LOG_LEVEL_ERROR, "Cannot get API version!\n");
goto cleanup;
}
// this is safe comparison, for internal structure please see SDK
// documentation
if (value <= BMD_LAST_INCOMPATIBLE_ABI) {
MSG(ERROR, "The DeckLink drivers are be outdated.\n");
MSG(ERROR, "You must have drivers newer than %d.%d.%d.\n",
BMD_LAST_INCOMPATIBLE_ABI >> 24,
(BMD_LAST_INCOMPATIBLE_ABI >> 16) & 0xFF,
(BMD_LAST_INCOMPATIBLE_ABI >> 8) & 0xFF);
MSG(ERROR, "Vendor download page is "
"http://www.blackmagic-design.com/support\n");
print_decklink_version();
} else {
ret = true;
if (BLACKMAGIC_DECKLINK_API_VERSION > value) {
MSG(WARNING, "The DeckLink drivers are be outdated.\n");
MSG(WARNING,
"Although it will likely work, it is recommended "
"to use drivers at least as the API that "
"UltraGrid is linked with.\n");
print_decklink_version();
MSG(WARNING,
"Vendor download page is "
"http://www.blackmagic-design.com/support\n\n");
}
}
cleanup:
if (APIInformation) {
APIInformation->Release();
}
decklink_uninitialize(&com_initialized);
return ret;
}
void print_decklink_version()
{
BMD_STR current_version = NULL;
IDeckLinkAPIInformation *APIInformation = NULL;
HRESULT result;
#ifdef _WIN32
bool com_initialized = false;
if (!com_initialize(&com_initialized, "[BMD] ")) {
goto cleanup;
}
result = CoCreateInstance(CLSID_CDeckLinkAPIInformation, NULL, CLSCTX_ALL,
IID_IDeckLinkAPIInformation, (void **) &APIInformation);
if(FAILED(result)) {
#else
APIInformation = CreateDeckLinkAPIInformationInstance();
if(APIInformation == NULL) {
#endif
fprintf(stderr, "Cannot get API information! Perhaps drivers not installed.\n");
goto cleanup;
}
result = APIInformation->GetString(BMDDeckLinkAPIVersion, &current_version);
if (result != S_OK) {
fprintf(stderr, "Cannot get API version string!\n");
goto cleanup;
} else {
fprintf(stderr, "This UltraGrid version was compiled against DeckLink SDK %s. ", BLACKMAGIC_DECKLINK_API_VERSION_STRING);
const char *currentVersionCString = get_cstr_from_bmd_api_str(current_version);
fprintf(stderr, "System version is %s.\n", currentVersionCString);
release_bmd_api_str(current_version);
free(const_cast<char *>(currentVersionCString));
}
cleanup:
if (APIInformation) {
APIInformation->Release();
}
#ifdef _WIN32
com_uninitialize(&com_initialized);
#endif
}
// Profile description map
static const map<BMDProfileID, pair<const char *, const char *>> kDeviceProfiles =
{
{ bmdProfileOneSubDeviceFullDuplex, { "1 sub-device full-duplex", "8K Pro, Duo 2, Quad 2" } },
{ bmdProfileOneSubDeviceHalfDuplex, { "1 sub-device half-duplex", "8K Pro" } },
{ bmdProfileTwoSubDevicesFullDuplex, { "2 sub-devices full-duplex", "8K Pro" } },
{ bmdProfileTwoSubDevicesHalfDuplex, { "2 sub-devices half-duplex", "Duo 2, Quad 2" } },
{ bmdProfileFourSubDevicesHalfDuplex, { "4 sub-devices half-duplex", "8K Pro" } },
};
#define EXIT_IF_FAILED(cmd, name) \
do {\
HRESULT result = cmd;\
if (FAILED(result)) {;\
LOG(LOG_LEVEL_ERROR) << MOD_NAME << name << ": " << bmd_hresult_to_string(result) << "\n";\
ret = {};\
goto cleanup;\
}\
} while (0)
#define RELEASE_IF_NOT_NULL(x) if (x != nullptr) { x->Release(); x = nullptr; }
static BMDProfileID GetDeckLinkProfileID(IDeckLinkProfile* profile)
{
IDeckLinkProfileAttributes* profileAttributes = nullptr;
if (HRESULT result = profile->QueryInterface(IID_IDeckLinkProfileAttributes, (void**)&profileAttributes); FAILED(result)) {
return {};
}
int64_t profileIDInt = 0;
// Get Profile ID attribute
const HRESULT res =
profileAttributes->GetInt(BMDDeckLinkProfileID, &profileIDInt);
if (SUCCEEDED(res)) {
profileAttributes->Release();
} else {
LOG(LOG_LEVEL_ERROR) << MOD_NAME << "BMDDeckLinkProfileID: "
<< bmd_hresult_to_string(res) << "\n";
}
return (BMDProfileID) profileIDInt;
}
class ProfileCallback : public IDeckLinkProfileCallback
{
public:
ProfileCallback(IDeckLinkProfile *requestedProfile) : m_requestedProfile(requestedProfile) {
m_requestedProfile->AddRef();
}
HRESULT ProfileChanging (/* in */ [[maybe_unused]] IDeckLinkProfile* profileToBeActivated, /* in */ [[maybe_unused]] BMD_BOOL streamsWillBeForcedToStop) override { return S_OK; }
HRESULT ProfileActivated (/* in */ [[maybe_unused]] IDeckLinkProfile* activatedProfile) override {
{
std::lock_guard<std::mutex> lock(m_profileActivatedMutex);
m_requestedProfileActivated = true;
}
m_profileActivatedCondition.notify_one();
return S_OK;
}
HRESULT STDMETHODCALLTYPE QueryInterface([[maybe_unused]] REFIID iid, [[maybe_unused]] LPVOID *ppv) override
{
*ppv = nullptr;
return E_NOINTERFACE;
}
ULONG STDMETHODCALLTYPE AddRef() override { return ++m_refCount; }
ULONG STDMETHODCALLTYPE Release() override {
ULONG refCount = --m_refCount;
if (refCount == 0)
delete this;
return refCount;
}
bool WaitForProfileActivation(void) {
BMD_BOOL isActiveProfile = BMD_FALSE;
const char *profileName = kDeviceProfiles.find(GetDeckLinkProfileID(m_requestedProfile)) != kDeviceProfiles.end() ?
kDeviceProfiles.at(GetDeckLinkProfileID(m_requestedProfile)).first : "(unknown)";
if ((m_requestedProfile->IsActive(&isActiveProfile) == S_OK) && isActiveProfile) {
LOG(LOG_LEVEL_INFO) << "[DeckLink] Profile " << profileName << " already active.\n";
return true;
}
LOG(LOG_LEVEL_INFO) << "[DeckLink] Waiting for profile activation... (this may take few seconds)\n";
std::unique_lock<std::mutex> lock(m_profileActivatedMutex);
bool ret = m_profileActivatedCondition.wait_for(lock, std::chrono::seconds{5}, [&]{ return m_requestedProfileActivated; });
if (ret) {
LOG(LOG_LEVEL_NOTICE) << "[DeckLink] Profile " << profileName << " activated successfully.\n";
} else {
LOG(LOG_LEVEL_ERROR) << "[DeckLink] Profile " << profileName << " activation timeouted!\n";
}
return ret;
}
virtual ~ProfileCallback() {
m_requestedProfile->Release();
}
private:
IDeckLinkProfile *m_requestedProfile;
int m_refCount = 1;
std::condition_variable m_profileActivatedCondition;
std::mutex m_profileActivatedMutex;
bool m_requestedProfileActivated = false;
};
/**
* @param a value from BMDProfileID or bmdDuplexHalf (maximize number of IOs)
*/
bool decklink_set_profile(IDeckLink *deckLink, bmd_option const &req_profile, bool stereo) {
if (req_profile.is_default() && !stereo) {
return true;
}
if (req_profile.is_help()) {
printf("Available profiles:\n");
print_bmd_device_profiles("\t");
return false;
}
bool ret = true;
IDeckLinkProfileManager *manager = nullptr;
IDeckLinkProfileIterator *it = nullptr;
IDeckLinkProfile *profile = nullptr;
bool found = false;
ProfileCallback *p = nullptr;
if (HRESULT res = deckLink->QueryInterface(IID_IDeckLinkProfileManager, (void**)&manager)) {
const bool error = !(req_profile.is_default() && res == E_NOINTERFACE);
LOG(error ? LOG_LEVEL_ERROR : LOG_LEVEL_VERBOSE) << MOD_NAME << "Cannot set duplex - query profile manager: " << bmd_hresult_to_string(res) << "\n";
return error;
}
// set '1dfd' for stereo if profile is not set explicitly
assert(!req_profile.is_default() || stereo);
const uint32_t profileID = req_profile.is_default() ? (int64_t) bmdProfileOneSubDeviceFullDuplex : req_profile.get_int();
EXIT_IF_FAILED(manager->GetProfiles(&it), "Cannot set duplex - get profiles");
while (it->Next(&profile) == S_OK) {
IDeckLinkProfileAttributes *attributes;
int64_t id;
if (profile->QueryInterface(IID_IDeckLinkProfileAttributes,
(void**)&attributes) != S_OK) {
LOG(LOG_LEVEL_WARNING) << "[DeckLink] Cannot get profile attributes!\n";
continue;
}
if (attributes->GetInt(BMDDeckLinkProfileID, &id) == S_OK) {
if (profileID == bmdDuplexHalf) {
if (id == bmdProfileTwoSubDevicesHalfDuplex || id == bmdProfileFourSubDevicesHalfDuplex) {
found = true;
}
} else if (profileID == id) {
found = true;
}
if (found) {
p = new ProfileCallback(profile);
BMD_CHECK(manager->SetCallback(p), "IDeckLinkProfileManager::SetCallback", goto cleanup);
if (profile->SetActive() != S_OK) {
LOG(LOG_LEVEL_ERROR) << "[DeckLink] Cannot set profile!\n";
ret = false;
}
if (!p->WaitForProfileActivation()) {
ret = false;
}
}
} else {
LOG(LOG_LEVEL_WARNING) << "[DeckLink] Cannot get profile ID!\n";
}
attributes->Release();
profile->Release();
if (found) {
break;
}
}
if (!found && ret) { // no err but not found
LOG(LOG_LEVEL_WARNING) << "[DeckLink] did not find suitable duplex profile!\n";
ret = false;
}
cleanup:
RELEASE_IF_NOT_NULL(p);
RELEASE_IF_NOT_NULL(it);
RELEASE_IF_NOT_NULL(manager);
return ret;
}
static BMDProfileID decklink_get_active_profile_id(IDeckLink *decklink)
{
BMDProfileID ret{};
IDeckLinkProfileManager *manager = nullptr;
if (HRESULT result = decklink->QueryInterface(IID_IDeckLinkProfileManager, (void**)&manager); FAILED(result)) {
if (result != E_NOINTERFACE) {
LOG(LOG_LEVEL_ERROR) << "Cannot get IDeckLinkProfileManager: " << bmd_hresult_to_string(result) << "\n";
}
return {};
}
IDeckLinkProfileIterator *it = nullptr;
IDeckLinkProfile *profile = nullptr;
EXIT_IF_FAILED(manager->GetProfiles(&it), "Cannot get profiles iterator");
while (it->Next(&profile) == S_OK) {
BMD_BOOL isActiveProfile = BMD_FALSE;
if ((profile->IsActive(&isActiveProfile) == S_OK) && isActiveProfile) {
ret = GetDeckLinkProfileID(profile);
profile->Release();
break;
}
profile->Release();
}
cleanup:
RELEASE_IF_NOT_NULL(it);
RELEASE_IF_NOT_NULL(manager);
return ret;
}
bool bmd_check_stereo_profile(IDeckLink *deckLink) {
if (BMDProfileID profile_active = decklink_get_active_profile_id(deckLink)) {
if (profile_active != bmdProfileOneSubDeviceHalfDuplex &&
profile_active != bmdProfileOneSubDeviceFullDuplex) {
uint32_t profile_fcc_host = ntohl(profile_active);
log_msg(LOG_LEVEL_ERROR, MOD_NAME "Active profile '%.4s' may not be compatible with stereo mode.\n", (char *) &profile_fcc_host);
log_msg(LOG_LEVEL_INFO, MOD_NAME "Use 'profile=' parameter to set 1-subdevice mode in either '1dhd' (half) or '1dfd' (full) duplex.\n");
}
return false;
}
return true;
}
string bmd_get_device_name(IDeckLink *decklink) {
BMD_STR deviceNameString = NULL;
char * deviceNameCString = NULL;
string ret;
if (decklink->GetDisplayName((BMD_STR *) &deviceNameString) == S_OK) {
deviceNameCString = get_cstr_from_bmd_api_str(deviceNameString);
ret = deviceNameCString;
release_bmd_api_str(deviceNameString);
free(deviceNameCString);
}
return ret;
}
uint32_t bmd_read_fourcc(const char *str) {
union {
uint32_t fourcc;
char c4[4];
} u;
memset(u.c4, ' ', 4);
memcpy(u.c4, str, min(strlen(str), sizeof u.c4));
return htonl(u.fourcc);
}
std::ostream &operator<<(std::ostream &output, REFIID iid)
{
#ifdef _WIN32
OLECHAR* guidString;
StringFromCLSID(iid, &guidString);
char buffer[128];
int ret = wcstombs(buffer, guidString, sizeof buffer);
if (ret == sizeof buffer) {
buffer[sizeof buffer - 1] = '\0';
}
output << buffer;
::CoTaskMemFree(guidString);
#else
auto flags = output.flags();
output << hex << uppercase << setfill('0') <<
setw(2) << static_cast<int>(iid.byte0) << setw(2) << static_cast<int>(iid.byte1) <<
setw(2) << static_cast<int>(iid.byte2) << setw(2) << static_cast<int>(iid.byte3) << "-" <<
setw(2) << static_cast<int>(iid.byte4) << setw(2) << static_cast<int>(iid.byte5) << "-" <<
setw(2) << static_cast<int>(iid.byte6) << setw(2) << static_cast<int>(iid.byte7) << "-" <<
setw(2) << static_cast<int>(iid.byte8) << setw(2) << static_cast<int>(iid.byte9) << "-" <<
setw(2) << static_cast<int>(iid.byte10) << setw(2) << static_cast<int>(iid.byte11) <<
setw(2) << static_cast<int>(iid.byte12) << setw(2) << static_cast<int>(iid.byte13) <<
setw(2) << static_cast<int>(iid.byte14) << setw(2) << static_cast<int>(iid.byte15);
output.flags(flags);
#endif
return output;
}
#define BMDFCC(x) {x,#x}
static const struct {
uint32_t fourcc;
const char *name;
} opt_name_map[] = {
{ 0, "Serial port Flags" },
BMDFCC(bmdDeckLinkConfigSwapSerialRxTx),
{ 0, "Video Input/Output Integers" },
BMDFCC(bmdDeckLinkConfigHDMI3DPackingFormat),
BMDFCC(bmdDeckLinkConfigBypass),
BMDFCC(bmdDeckLinkConfigClockTimingAdjustment),
{ 0, "Audio Input/Output Flags" },
BMDFCC(bmdDeckLinkConfigAnalogAudioConsumerLevels),
BMDFCC(bmdDeckLinkConfigSwapHDMICh3AndCh4OnInput),
BMDFCC(bmdDeckLinkConfigSwapHDMICh3AndCh4OnOutput),
{ 0, "Video Output Flags" },
BMDFCC(bmdDeckLinkConfigFieldFlickerRemoval),
BMDFCC(bmdDeckLinkConfigHD1080p24ToHD1080i5994Conversion),
BMDFCC(bmdDeckLinkConfig444SDIVideoOutput),
BMDFCC(bmdDeckLinkConfigBlackVideoOutputDuringCapture),
BMDFCC(bmdDeckLinkConfigLowLatencyVideoOutput),
BMDFCC(bmdDeckLinkConfigDownConversionOnAllAnalogOutput),
BMDFCC(bmdDeckLinkConfigSMPTELevelAOutput),
BMDFCC(bmdDeckLinkConfigRec2020Output),
BMDFCC(bmdDeckLinkConfigQuadLinkSDIVideoOutputSquareDivisionSplit),
BMDFCC(bmdDeckLinkConfigOutput1080pAsPsF),
{ 0, "Video Output Integers" },
BMDFCC(bmdDeckLinkConfigVideoOutputConnection),
BMDFCC(bmdDeckLinkConfigVideoOutputConversionMode),
BMDFCC(bmdDeckLinkConfigAnalogVideoOutputFlags),
BMDFCC(bmdDeckLinkConfigReferenceInputTimingOffset),
BMDFCC(bmdDeckLinkConfigReferenceOutputMode),
BMDFCC(bmdDeckLinkConfigVideoOutputIdleOperation),
BMDFCC(bmdDeckLinkConfigDefaultVideoOutputMode),
BMDFCC(bmdDeckLinkConfigDefaultVideoOutputModeFlags),
BMDFCC(bmdDeckLinkConfigSDIOutputLinkConfiguration),
BMDFCC(bmdDeckLinkConfigHDMITimecodePacking),
BMDFCC(bmdDeckLinkConfigPlaybackGroup),
{ 0, "Video Output Floats" },
BMDFCC(bmdDeckLinkConfigVideoOutputComponentLumaGain),
BMDFCC(bmdDeckLinkConfigVideoOutputComponentChromaBlueGain),
BMDFCC(bmdDeckLinkConfigVideoOutputComponentChromaRedGain),
BMDFCC(bmdDeckLinkConfigVideoOutputCompositeLumaGain),
BMDFCC(bmdDeckLinkConfigVideoOutputCompositeChromaGain),
BMDFCC(bmdDeckLinkConfigVideoOutputSVideoLumaGain),
BMDFCC(bmdDeckLinkConfigVideoOutputSVideoChromaGain),
{ 0, "Video Input Flags" },
BMDFCC(bmdDeckLinkConfigVideoInputScanning),
BMDFCC(bmdDeckLinkConfigUseDedicatedLTCInput),
BMDFCC(bmdDeckLinkConfigSDIInput3DPayloadOverride),
BMDFCC(bmdDeckLinkConfigCapture1080pAsPsF),
{ 0, "Video Input Integers" },
BMDFCC(bmdDeckLinkConfigVideoInputConnection),
BMDFCC(bmdDeckLinkConfigAnalogVideoInputFlags),
BMDFCC(bmdDeckLinkConfigVideoInputConversionMode),
BMDFCC(bmdDeckLinkConfig32PulldownSequenceInitialTimecodeFrame),
BMDFCC(bmdDeckLinkConfigVANCSourceLine1Mapping),
BMDFCC(bmdDeckLinkConfigVANCSourceLine2Mapping),
BMDFCC(bmdDeckLinkConfigVANCSourceLine3Mapping),
BMDFCC(bmdDeckLinkConfigCapturePassThroughMode),
BMDFCC(bmdDeckLinkConfigCaptureGroup),
{ 0, "Video Input Floats" },
BMDFCC(bmdDeckLinkConfigVideoInputComponentLumaGain),
BMDFCC(bmdDeckLinkConfigVideoInputComponentChromaBlueGain),
BMDFCC(bmdDeckLinkConfigVideoInputComponentChromaRedGain),
BMDFCC(bmdDeckLinkConfigVideoInputCompositeLumaGain),
BMDFCC(bmdDeckLinkConfigVideoInputCompositeChromaGain),
BMDFCC(bmdDeckLinkConfigVideoInputSVideoLumaGain),
BMDFCC(bmdDeckLinkConfigVideoInputSVideoChromaGain),
{ 0, "Keying Integers" },
BMDFCC(bmdDeckLinkConfigInternalKeyingAncillaryDataSource),
{ 0, "Audio Input Flags" },
BMDFCC(bmdDeckLinkConfigMicrophonePhantomPower),
{ 0, "Audio Input Integers" },
BMDFCC(bmdDeckLinkConfigAudioInputConnection),
{ 0, "Audio Input Floats" },
BMDFCC(bmdDeckLinkConfigAnalogAudioInputScaleChannel1),
BMDFCC(bmdDeckLinkConfigAnalogAudioInputScaleChannel2),
BMDFCC(bmdDeckLinkConfigAnalogAudioInputScaleChannel3),
BMDFCC(bmdDeckLinkConfigAnalogAudioInputScaleChannel4),
BMDFCC(bmdDeckLinkConfigDigitalAudioInputScale),
BMDFCC(bmdDeckLinkConfigMicrophoneInputGain),
{ 0, "Audio Output Integers" },
BMDFCC(bmdDeckLinkConfigAudioOutputAESAnalogSwitch),
{ 0, "Audio Output Floats" },
BMDFCC(bmdDeckLinkConfigAnalogAudioOutputScaleChannel1),
BMDFCC(bmdDeckLinkConfigAnalogAudioOutputScaleChannel2),
BMDFCC(bmdDeckLinkConfigAnalogAudioOutputScaleChannel3),
BMDFCC(bmdDeckLinkConfigAnalogAudioOutputScaleChannel4),
BMDFCC(bmdDeckLinkConfigDigitalAudioOutputScale),
BMDFCC(bmdDeckLinkConfigHeadphoneVolume),
{ 0, "Network Flags" },
BMDFCC(bmdDeckLinkConfigEthernetUseDHCP),
BMDFCC(bmdDeckLinkConfigEthernetPTPFollowerOnly),
BMDFCC(bmdDeckLinkConfigEthernetPTPUseUDPEncapsulation),
{ 0, "Network Integers" },
BMDFCC(bmdDeckLinkConfigEthernetPTPPriority1),
BMDFCC(bmdDeckLinkConfigEthernetPTPPriority2),
BMDFCC(bmdDeckLinkConfigEthernetPTPDomain),
{ 0, "Network Strings" },
BMDFCC(bmdDeckLinkConfigEthernetStaticLocalIPAddress),
BMDFCC(bmdDeckLinkConfigEthernetStaticSubnetMask),
BMDFCC(bmdDeckLinkConfigEthernetStaticGatewayIPAddress),
BMDFCC(bmdDeckLinkConfigEthernetStaticPrimaryDNS),
BMDFCC(bmdDeckLinkConfigEthernetStaticSecondaryDNS),
BMDFCC(bmdDeckLinkConfigEthernetVideoOutputAddress),
BMDFCC(bmdDeckLinkConfigEthernetAudioOutputAddress),
BMDFCC(bmdDeckLinkConfigEthernetAncillaryOutputAddress),
BMDFCC(bmdDeckLinkConfigEthernetAudioOutputChannelOrder),
{ 0, "Device Information Strings" },
BMDFCC(bmdDeckLinkConfigDeviceInformationLabel),
BMDFCC(bmdDeckLinkConfigDeviceInformationSerialNumber),
BMDFCC(bmdDeckLinkConfigDeviceInformationCompany),
BMDFCC(bmdDeckLinkConfigDeviceInformationPhone),
BMDFCC(bmdDeckLinkConfigDeviceInformationEmail),
BMDFCC(bmdDeckLinkConfigDeviceInformationDate),
{ 0, "Deck Control Integers" },
BMDFCC(bmdDeckLinkConfigDeckControlConnection),
};
static const struct {
uint32_t fourcc;
const char *name;
} val_name_map[] = {
BMDFCC(bmdVideo3DPackingSidebySideHalf),
BMDFCC(bmdVideo3DPackingLinebyLine),
BMDFCC(bmdVideo3DPackingTopAndBottom),
BMDFCC(bmdVideo3DPackingFramePacking),
BMDFCC(bmdVideo3DPackingRightOnly),
BMDFCC(bmdVideo3DPackingLeftOnly),
BMDFCC(bmdDeckLinkCapturePassthroughModeDisabled),
BMDFCC(bmdDeckLinkCapturePassthroughModeCleanSwitch),
BMDFCC(bmdIdleVideoOutputBlack),
BMDFCC(bmdIdleVideoOutputLastFrame),
BMDFCC(bmdLinkConfigurationSingleLink),
BMDFCC(bmdLinkConfigurationDualLink),
BMDFCC(bmdLinkConfigurationQuadLink),
};
#undef BMDFCC
static string fcc_to_string(uint32_t fourcc) {
for (unsigned i = 0; i < ARR_COUNT(opt_name_map); ++i) {
if (opt_name_map[i].fourcc == fourcc) {
return opt_name_map[i].name;
}
}
for (unsigned i = 0; i < ARR_COUNT(val_name_map); ++i) {
if (val_name_map[i].fourcc == fourcc) {
return val_name_map[i].name;
}
}
union {
char c[5];
uint32_t i;
} fcc{};
fcc.i = htonl(fourcc);
return string("'") + fcc.c + "'";
}
bmd_option::bmd_option(bool val, bool user_spec) : m_type(type_tag::t_flag), m_user_specified(user_spec) {
m_val.b = val;
}
bmd_option::bmd_option(int64_t val, bool user_spec) : m_type(type_tag::t_int), m_user_specified(user_spec) {
m_val.i = val;
}
std::ostream &operator<<(std::ostream &output, const bmd_option &b) {
switch (b.m_type) {
case bmd_option::type_tag::t_default:
output << "(default)";
break;
case bmd_option::type_tag::t_keep:
output << "(keep)";
break;
case bmd_option::type_tag::t_flag:
output << (b.get_flag() ? "true" : "false");
break;
case bmd_option::type_tag::t_int:
if (IS_FCC(b.get_int())) {
output << fcc_to_string(b.get_int());
} else if (b.get_int() >= 0) {
auto flags = output.flags();
output << b.get_int() << " (0x" << hex
<< b.get_int() << ")";
output.flags(flags);
} else {
output << b.get_int();
}
break;
case bmd_option::type_tag::t_float: {
auto flags = output.flags();
output << fixed << b.m_val.f;
output.flags(flags);
break;
}
case bmd_option::type_tag::t_string:
output << b.m_val.s;
break;
}
return output;
}
void bmd_option::set_flag(bool val_) {
m_val.b = val_;
m_type = type_tag::t_flag;
}
void bmd_option::set_int(int64_t val_) {
m_val.i = val_;
m_type = type_tag::t_int;
m_user_specified = true;
}
void bmd_option::set_float(double val_) {
m_val.f = val_;
m_type = type_tag::t_float;
m_user_specified = true;
}
void bmd_option::set_string(const char *val_) {
strncpy(m_val.s, val_, sizeof m_val.s - 1);
m_type = type_tag::t_string;
m_user_specified = true;
}
void bmd_option::set_keep() {
m_type = type_tag::t_keep;
}
bool bmd_option::keep() const {
return m_type == type_tag::t_keep;
}
bool bmd_option::get_flag() const {
if (m_type != type_tag::t_flag) {
log_msg(LOG_LEVEL_WARNING, MOD_NAME "Option is not set to a flag but get_flag() called! Current type tag: %d\n", (int) m_type);
return {};
}
return m_val.b;
}
int64_t bmd_option::get_int() const {
if (m_type != type_tag::t_int) {
log_msg(LOG_LEVEL_WARNING, MOD_NAME "Option is not set to an int but get_int() called! Current type tag: %d\n", (int) m_type);
return {};
}
return m_val.i;
}
const char *bmd_option::get_string() const {
if (m_type != type_tag::t_string) {
MSG(WARNING,
"Option is not set to a string but get_string() called! Current "
"type tag: %d\n",
(int) m_type);
return {};
}
return m_val.s;
}
bool bmd_option::is_default() const {
return m_type == type_tag::t_default;
}
bool bmd_option::is_help() const {
return m_type == type_tag::t_string &&
strcmp(get_string(), "help") == 0;
}
bool bmd_option::is_user_set() const {
return m_user_specified;
}
static void
bmd_opt_help()
{
color_printf(TBOLD("BMD") " option syntax:\n");
color_printf("\t" TBOLD("<FourCC>=<val>") "\n\n");
color_printf(
TBOLD("<FourCC>") " must have exactly " TBOLD("4 characters") "\n");
color_printf("\n");
color_printf("The value must corresponding type is deduced accordingly:\n");
color_printf("- " TBOLD("flag") " - values on/of, true/false, yes/no\n");
color_printf("- literal " TBOLD("keep") " - keep the preset value\n");
color_printf("- literal " TBOLD(
"help") " - show help (applicable to profile only)\n");
color_printf("- " TBOLD(
"int") " - any number without decimal point\n");
color_printf("- " TBOLD(
"float") " - a number with a decimal point\n");
color_printf(
"- " TBOLD("FourCC") " - a value with len <= 4 not listed above\n");
color_printf("\n");
color_printf("If the type deduction is not working, you can use also "
"following syntax:\n");
color_printf("- \"value\" - assume the value is string\n");
color_printf("- 'vlue' - assume the value is FourCC\n");
color_printf("\n");
color_printf("List of keys:\n");
for (unsigned i = 0; i < ARR_COUNT(opt_name_map); ++i) {
if (opt_name_map[i].fourcc == 0) {
color_printf("\n%s:\n", opt_name_map[0].name);
} else {
uint32_t val = htonl(opt_name_map[i].fourcc);
color_printf("- " TBOLD("%.4s") " - %s\n",
(char *) &val, opt_name_map[i].name);
}
}
color_printf("\n");
color_printf("See also\n" TUNDERLINE(
"https://github.com/CESNET/UltraGrid/blob/master/ext-deps/"
"DeckLink/Linux/DeckLinkAPIConfiguration.h") "\nfor details.\n");
color_printf("\n");
color_printf("Incomplete " TBOLD("(!)") " list of values:\n");
color_printf("(note that the value belongs to its appropriate key)\n");
for (unsigned i = 0; i < ARR_COUNT(val_name_map); ++i) {
uint32_t val = htonl(val_name_map[i].fourcc);
color_printf("- " TBOLD("%.4s") " - %s\n", (char *) &val,
val_name_map[i].name);
}
color_printf("\n");
color_printf("Available values can be found here:\n" TUNDERLINE(
"https://github.com/CESNET/UltraGrid/blob/master/ext-deps/"
"DeckLink/Linux/DeckLinkAPI.h") "\n");
color_printf("\n");
color_printf("The actual key type and possible values must be, however "
"consutlted with:\n" TUNDERLINE(
"https://documents.blackmagicdesign.com/UserManuals/"
"DeckLinkSDKManual.pdf") "\n");
color_printf("\n");
color_printf("Examples:\n");
color_printf(TBOLD("aacl=on") " - set audio consumer levels (flag)\n");
color_printf(TBOLD("voio=blac") " - display black when no output\n");
color_printf(TBOLD("DHCP=yes") " - use DHCP config for DeckLink IP\n");
color_printf(TBOLD("DHCP=no:"
"nsip=10.0.0.3:nssm=255.255.255.0:nsgw=10.0.0.1") " - use static "
"net config for "
"DeckLink IP\n");
color_printf(TBOLD(
"noaa=239.255.194.26\\:16384:noav=239.255.194.26\\:"
"163888") " - set output "
"audio/video address\n(note that the shell will remove "
"backslash if not quoted, so you may use eg.:\nuv -t "
"'decklink:noaa=239.255.194.26\\:16384')\n");
color_printf("\n");
}
/**
* @param val can be empty or NULL - this allow specifying the flag without explicit value
* @retval true value was set
* @retval false help for FourCC syntas was print
*/
bool
bmd_option::parse(const char *val)
{
// check flag
#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wnull-pointer-arithmetic"
#endif // defined __clang__
if (val == nullptr || val == static_cast<char *>(nullptr) + 1 // allow constructions like parse_bmd_flag(strstr(opt, '=') + 1)
|| strlen(val) == 0 || strcasecmp(val, "true") == 0 || strcasecmp(val, "on") == 0 || strcasecmp(val, "yes") == 0) {
set_flag(true);
return true;
}
#ifdef __clang__
#pragma clang diagnostic pop
#endif // defined __clang
if (strcasecmp(val, "false") == 0 || strcasecmp(val, "off") == 0 || strcasecmp(val, "no") == 0) {
set_flag(false);
return true;
}
if (strcasecmp(val, "keep") == 0) {
set_keep();
return true;
}
if (strcmp(val, "help") == 0) {
set_string(val);
return true;
}
if (strcmp(val, "FourCC") == 0) { // help=FourCC
bmd_opt_help();
return false;
}
// explicitly typed (either "str" or 'fcc')
if ((val[0] == '"' && val[strlen(val) - 1] == '"') || (val[0] == '\'' && val[strlen(val) - 1] == '\'')) {
string raw_val(val + 1);
raw_val.erase(raw_val.length() - 1, 1);
if (val[0] == '"') {
set_string(raw_val.c_str());
} else {
set_int(bmd_read_fourcc(raw_val.c_str()));
}
return true;
}
// check number
bool is_number = true;
bool decimal_point = false;
for (size_t i = 0; i < strlen(val); ++i) {
if (i == 0 && strncasecmp(val, "0x", 2) == 0) {
i += 1;
continue;
}
if (val[i] == '.') {
if (decimal_point) { // there was already decimal point
is_number = false;
break;
}
decimal_point = true;
continue;
}
is_number = is_number && isxdigit(val[i]);
if (i == 0 && (val[i] == '-' || val[i] == '+')) {
is_number = true;
}
}
if (is_number) {
if (decimal_point) {
set_float(stod(val));
} else {
set_int(stoi(val, nullptr, 0));
}
return true;
}
if (strlen(val) <= 4) {
set_int(bmd_read_fourcc(val));
return true;
}
set_string(val);
return true;
}
bool bmd_option::device_write(IDeckLinkConfiguration *deckLinkConfiguration, BMDDeckLinkConfigurationID opt, string const &log_prefix) const {
HRESULT res = E_FAIL;
switch (m_type) {
case type_tag::t_flag:
res = deckLinkConfiguration->SetFlag(opt, get_flag());
break;
case type_tag::t_int:
res = deckLinkConfiguration->SetInt(opt, get_int());
break;
case type_tag::t_float:
res = deckLinkConfiguration->SetFloat(opt, m_val.f);
break;
case type_tag::t_string: {
BMD_STR s = get_bmd_api_str_from_cstr(m_val.s);
res = deckLinkConfiguration->SetString(opt, s);
release_bmd_api_str(s);
break;
}
case type_tag::t_keep:
case type_tag::t_default:
return true;
}
ostringstream value_oss;
if ((opt == bmdDeckLinkConfigVideoInputConnection ||
opt == bmdDeckLinkConfigVideoOutputConnection) &&
get_connection_string_map().find((BMDVideoConnection) get_int()) !=
get_connection_string_map().end()) {
value_oss << get_connection_string_map().at(
(BMDVideoConnection) get_int());
} else {
value_oss << *this;
}
if (res != S_OK) {
const int lvl = m_user_specified ? LOG_LEVEL_ERROR
: res == E_NOTIMPL ? LOG_LEVEL_INFO
: LOG_LEVEL_WARNING;
LOG(lvl) << log_prefix << "Unable to set key "
<< fcc_to_string(opt) << " to " << value_oss.str()
<< ": " << bmd_hresult_to_string(res) << "\n";
return !m_user_specified;
}
LOG(LOG_LEVEL_INFO) << log_prefix << fcc_to_string(opt) << " set to: " << value_oss.str() << "\n";
return true;
}
static void apply_r10k_lut(void *i, void *o, size_t len, void *udata)
{
auto lut = (const unsigned int * __restrict) udata;
auto *in = (const unsigned char *) i;
auto *out = (unsigned char *) o;
const unsigned char *in_end = in + len;
while (in < in_end) {
unsigned r = in[0] << 2U | in[1] >> 6U;
unsigned g = (in[1] & 0x3FU) << 4U | in[2] >> 4U;
unsigned b = (in[2] & 0xFU) << 6U | in[3] >> 2U;
r = lut[r];
g = lut[g];
b = lut[b];
out[0] = r >> 2U;
out[1] = (r & 0x3U) << 6U | (g >> 4U);
out[2] = (g & 0xFU) << 4U | (b >> 6U);
out[3] = (b & 0x3FU) << 2U;
in += 4;
out += 4;
}
}
static void fill_limited_to_full_lut(unsigned int *lut) {
for (int i = 0; i < 1024; ++i) {
int val = clamp(i, 64, 960);
val = 4 + (val - 64) * 1015 / 896;
lut[i] = val;
}
}
/**
* converts from range 64-960 to 4-1019
*
* in and out pointers can point to the same address
*/
void r10k_limited_to_full(const char *in, char *out, size_t len)
{
static unsigned int lut[1024];
if (lut[1023] == 0) {
fill_limited_to_full_lut(lut);
}
DEBUG_TIMER_START(r10k_limited_to_full);
respawn_parallel(const_cast<char *>(in), out, len / 4, 4, apply_r10k_lut, lut);
DEBUG_TIMER_STOP(r10k_limited_to_full);
}
static void fill_full_to_limited_lut(unsigned int *lut) {
for (int i = 0; i < 1024; ++i) {
int val = clamp(i, 4, 1019);
val = 64 + (val - 4) * 896 / 1015;
lut[i] = val;
}
}
/**
* converts from full range (4-1019) to 64-960
*
* in and out pointers can point to the same address
*/
void r10k_full_to_limited(const char *in, char *out, size_t len)
{
static unsigned int lut[1024];
if (lut[1023] == 0) {
fill_full_to_limited_lut(lut);
}
DEBUG_TIMER_START(r10k_limited_to_full);
respawn_parallel(const_cast<char *>(in), out, len / 4, 4, apply_r10k_lut, lut);
DEBUG_TIMER_STOP(r10k_limited_to_full);
}
string bmd_get_audio_connection_name(BMDAudioOutputAnalogAESSwitch audioConnection) {
switch(audioConnection) {
case bmdAudioOutputSwitchAESEBU:
return "AES/EBU";
case bmdAudioOutputSwitchAnalog:
return "analog";
default:
return "default";
}
}
string bmd_get_flags_str(BMDDisplayModeFlags flags) {
bool first = true;
ostringstream oss;
vector<pair<uint32_t, const char *>> map {
{ bmdDisplayModeColorspaceRec601, "Rec601" },
{ bmdDisplayModeColorspaceRec709, "Rec709" },
{ bmdDisplayModeColorspaceRec2020, "Rec2020" },
{ bmdDisplayModeSupports3D, "3D" },
};
for (auto &f : map ) {
if (flags & f.first) {
oss << (!first ? ", " : "") << f.second;
first = false;
}
}
if (flags == 0) {
oss << "(none)";
}
if (flags >= bmdDisplayModeColorspaceRec2020 << 1) {
oss << ", (unknown flags)";
}
return oss.str();
}
void print_bmd_device_profiles(const char *line_prefix)
{
for (const auto &p : kDeviceProfiles) {
const uint32_t fcc = htonl(p.first);
color_printf("%s" TBOLD("%.4s") " - %s (%s)\n", line_prefix, (const char *) &fcc, p.second.first, p.second.second);
}
color_printf("%s" TBOLD("keep") " - keep device setting\n", line_prefix);
}
const map<BMDVideoConnection, string> &get_connection_string_map() {
static const map<BMDVideoConnection, string> m = {
{ bmdVideoConnectionSDI, "SDI" },
{ bmdVideoConnectionHDMI, "HDMI"},
{ bmdVideoConnectionOpticalSDI, "OpticalSDI"},
{ bmdVideoConnectionComponent, "Component"},
{ bmdVideoConnectionComposite, "Composite"},
{ bmdVideoConnectionSVideo, "SVideo"},
{ bmdVideoConnectionEthernet, "Ethernet"},
{ bmdVideoConnectionOpticalEthernet, "OpticalEthernet"},
};
return m;
}
template <typename T> struct bmd_no_conv {
};
template <> struct bmd_no_conv<IDeckLinkInput> {
static constexpr BMDVideoInputConversionMode value =
bmdNoVideoInputConversion;
};
template <> struct bmd_no_conv<IDeckLinkOutput> {
static constexpr BMDVideoOutputConversionMode value =
bmdNoVideoOutputConversion;
};
/**
* This function returns true if any display mode and any output supports the
* codec. The codec, however, may not be supported with actual video mode.
*
* @todo For UltraStudio Pro DoesSupportVideoMode returns E_FAIL on not
* supported pixel formats instead of setting supported to false.
*/
template <typename T>
bool
decklink_supports_codec(T *deckLink, BMDPixelFormat pf)
{
IDeckLinkDisplayModeIterator *displayModeIterator = nullptr;
IDeckLinkDisplayMode *deckLinkDisplayMode = nullptr;
if (FAILED(
deckLink->GetDisplayModeIterator(&displayModeIterator))) {
MSG(ERROR, "Fatal: cannot create display mode iterator.\n");
return false;
}
while (displayModeIterator->Next(&deckLinkDisplayMode) == S_OK) {
BMD_BOOL supported = false;
const HRESULT res = deckLink->DoesSupportVideoMode(
bmdVideoConnectionUnspecified,
deckLinkDisplayMode->GetDisplayMode(), pf,
bmd_no_conv<T>::value, bmdSupportedVideoModeDefault,
nullptr, &supported);
deckLinkDisplayMode->Release();
if (res != S_OK) {
MSG(WARNING, "DoesSupportVideoMode: %s\n",
bmd_hresult_to_string(res).c_str());
continue;
}
if (supported) {
displayModeIterator->Release();
return true;
}
}
displayModeIterator->Release();
return false;
}
template bool
decklink_supports_codec<IDeckLinkOutput>(IDeckLinkOutput *deckLink,
BMDPixelFormat pf);
template bool decklink_supports_codec<IDeckLinkInput>(IDeckLinkInput *deckLink,
BMDPixelFormat pf);
/// TOREMOVE (implicit "aacl" option is preferred)
bool
bmd_parse_audio_levels(const char *opt) noexcept(false)
{
MSG(WARNING, "audio_level option is deprecated, use "
"\"aacl[=true|false]\" instead\n");
if (strcasecmp(opt, "false") == 0 || strcasecmp(opt, "off") == 0 ||
strcasecmp(opt, "line") == 0) {
return false;
}
if (strcasecmp(opt, "true") == 0 || strcasecmp(opt, "on") == 0 ||
strcasecmp(opt, "mic") == 0) {
return true;
}
throw invalid_argument(string("invalid BMD audio level ") + opt);
}
void
print_bmd_attribute(IDeckLinkProfileAttributes *deckLinkAttributes,
const char *query_prop_fcc)
{
if (strcmp(query_prop_fcc, "help") == 0) {
col{} << "Query usage:\n"
<< SBOLD("\tq[uery]=<fcc>")
<< " - gets DeckLink attribute value\n";
return;
}
union {
char fcc[sizeof(BMDDeckLinkAttributeID)] = { ' ', ' ', ' ',
' ' };
BMDDeckLinkAttributeID key;
};
memcpy(fcc, query_prop_fcc, min(strlen(query_prop_fcc), sizeof fcc));
key = (BMDDeckLinkAttributeID) htonl(key);
BMD_BOOL bool_val{};
int64_t int_val{};
double float_val{};
BMD_STR string_val{};
ostringstream oss;
HRESULT result = deckLinkAttributes->GetFlag(key, &bool_val);
if (result == S_OK) {
oss << (bool_val ? "true" : "false");
}
if (result == E_INVALIDARG) {
result = deckLinkAttributes->GetInt(key, &int_val);
if (result == S_OK) {
oss << int_val << " (0x" << hex << int_val << ")";
}
}
if (result == E_INVALIDARG) {
result = deckLinkAttributes->GetFloat(key, &float_val);
if (result == S_OK) {
oss << float_val;
}
}
if (result == E_INVALIDARG) {
result = deckLinkAttributes->GetString(key, &string_val);
if (result == S_OK) {
string str = get_str_from_bmd_api_str(string_val);
release_bmd_api_str(string_val);
oss << str;
}
}
if (result != S_OK) {
LOG(LOG_LEVEL_ERROR)
<< MOD_NAME << "Cannot get " << query_prop_fcc << ": "
<< bmd_hresult_to_string(result) << "\n";
return;
}
col() << "\t" << hex << "Value of " << SBOLD(query_prop_fcc)
<< " attribute for this device is " << SBOLD(oss.str()) << "\n";
}
/**
* @returns list of DeckLink devices sorted (indexed) by topological ID
* If no topological ID is reported, use UINT_MAX (and lower vals)
* @param verbose - print errors
* @param natural_sort - use the (old) natural sort as given by the iterator
* @note
Each call of this function should be followed by com_uninitialize() when done
with DeckLink. No BMD stuff originating from this function call
(IDeckLinks) can be used after that and new call must be made.
* @note
* The returned IDeckLink instances are managed with the unique_ptr, so
* take care about the returned object lifetime (particularly not to
* be destroyed after decklink_uninitialize()).
*/
std::vector<bmd_dev>
bmd_get_sorted_devices(bool *com_initialized, bool verbose, bool natural_sort)
{
IDeckLinkIterator *deckLinkIterator =
create_decklink_iterator(com_initialized, verbose);
if (deckLinkIterator == nullptr) {
return {};
}
IDeckLink *deckLink = nullptr;
std::vector<bmd_dev> out;
int idx = 0;
while (deckLinkIterator->Next(&deckLink) == S_OK) {
IDeckLinkProfileAttributes *deckLinkAttributes = nullptr;
HRESULT result = E_FAIL;
result =
deckLink->QueryInterface(IID_IDeckLinkProfileAttributes,
(void **) &deckLinkAttributes);
assert(result == S_OK);
int64_t id = 0;
result =
deckLinkAttributes->GetInt(BMDDeckLinkTopologicalID, &id);
if (result != S_OK) {
id = UINT_MAX - idx;
}
assert(id >= 0 && id <= UINT_MAX);
deckLinkAttributes->Release();
auto release = [](IDeckLink *d) { d->Release(); };
auto &it = out.emplace_back(
std::unique_ptr<IDeckLink, void (*)(IDeckLink *)>{
deckLink, release },
0, 0, 0);
std::get<unsigned>(it) = id;
std::get<int>(it) = idx++;
}
deckLinkIterator->Release();
if (!natural_sort) {
std::sort(out.begin(), out.end(), [](bmd_dev &a, bmd_dev &b) {
return std::get<unsigned>(a) < std::get<unsigned>(b);
});
}
// assign new indices
char new_idx = 'a';
for (auto &d : out) {
std::get<char>(d) = new_idx++;
}
return out;
}
void
print_bmd_connections(IDeckLinkProfileAttributes *deckLinkAttributes,
BMDDeckLinkAttributeID id, const char *module_prefix)
{
printf("\tsupported %s connetions:",
id == BMDDeckLinkVideoInputConnections ? "input" : "output");
int64_t connections = 0;
if (deckLinkAttributes->GetInt(id, &connections) != S_OK) {
log_msg(LOG_LEVEL_ERROR, "\n%sCould not get connections.\n\n",
module_prefix);
return;
}
for (auto const &it : get_connection_string_map()) {
if ((connections & it.first) != 0) {
col() << " " << SBOLD(it.second);
}
}
col() << "\n";
}
BMDVideoConnection
bmd_get_connection_by_name(const char *connection)
{
for (auto const &it : get_connection_string_map()) {
if (strcasecmp(connection, it.second.c_str()) == 0) {
return it.first;
}
}
return bmdVideoConnectionUnspecified;
}
/* ____ _ _ _ _ ____ _ _
* | _ \ ___ ___| | _| | (_)_ __ | | __/ ___|| |_ __ _| |_ _ _ ___
* | | | |/ _ \/ __| |/ / | | | '_ \| |/ /\___ \| __/ _` | __| | | / __|
* | |_| | __/ (__| <| |___| | | | | < ___) | || (_| | |_| |_| \__ \
* |____/ \___|\___|_|\_\_____|_|_| |_|_|\_\|____/ \__\__,_|\__|\__,_|___/
*/
/// value map, needs to be zero-terminated
/// if status_type == ST_BIT_FIELD, val==0 must be set
struct bmd_status_val_map {
uint32_t val;
const char *name;
};
/// FourCC based values (can be all in one array)
static const struct bmd_status_val_map status_val_map_dfl[] = {
{ bmdEthernetLinkStateDisconnected, "disconnected" },
{ bmdEthernetLinkStateConnectedUnbound, "connected (unbound)" },
{ bmdEthernetLinkStateConnectedBound, "connected (bound)" },
{ 0, nullptr },
};
static const struct bmd_status_val_map bmd_busy_state_bit_field_map[] = {
{ 0, "inactive" }, // default val if no bit set
{ bmdDeviceCaptureBusy, "capture" },
{ bmdDevicePlaybackBusy, "playback" },
{ bmdDeviceSerialPortBusy, "serial-port" },
{ 0, nullptr },
};
static const struct bmd_status_val_map bmd_dyn_range_map[] = {
{ bmdDynamicRangeSDR, "SDR" },
{ bmdDynamicRangeHDRStaticPQ, "HDR PQ" },
{ bmdDynamicRangeHDRStaticHLG, "HDR HLG" },
{ 0, nullptr}
};
static const struct bmd_status_val_map bmd_cs_map[] = {
{ bmdColorspaceRec601, "Rec.601" },
{ bmdColorspaceRec709, "Rec.709" },
{ bmdColorspaceRec2020, "Rec.2020" },
{ 0, nullptr }
};
enum status_type {
ST_ENUM, // set type_data.map
ST_BIT_FIELD, // set type_data.map
ST_INT, // set type_data.int_fmt_str
ST_STRING,
};
static const struct status_property {
BMDDeckLinkStatusID prop;
const char *prop_name;
enum status_type type;
union type_data {
const char *int_fmt_str;
const struct bmd_status_val_map *map;
} type_data;
bool playback_only; ///< relevant only for playback;
int req_log_level;
} status_map[] = {
{ bmdDeckLinkStatusBusy,
"Busy", ST_BIT_FIELD,
{ .map = bmd_busy_state_bit_field_map },
false, LOG_LEVEL_VERBOSE },
{ bmdDeckLinkStatusPCIExpressLinkWidth,
"PCIe Link Width", ST_INT,
{ .int_fmt_str = "%" PRIu64 "x" },
false, LOG_LEVEL_VERBOSE },
{ bmdDeckLinkStatusPCIExpressLinkSpeed,
"PCIe Link Speed", ST_INT,
{ .int_fmt_str = "Gen. %" PRIu64 },
false, LOG_LEVEL_VERBOSE },
{ bmdDeckLinkStatusDeviceTemperature,
"Temperature", ST_INT,
{ .int_fmt_str = "%" PRIu64 " °C" },
false, LOG_LEVEL_VERBOSE }, // temperature info is rate-limited
{ bmdDeckLinkStatusDetectedVideoInputColorspace,
"Video Colorspace", ST_ENUM,
{ .map = bmd_cs_map },
false, LOG_LEVEL_INFO },
{ bmdDeckLinkStatusDetectedVideoInputDynamicRange,
"Video Dynamic Range", ST_ENUM,
{ .map = bmd_dyn_range_map },
false, LOG_LEVEL_INFO },
{ bmdDeckLinkStatusEthernetLink,
"Ethernet state", ST_ENUM,
{ .map = status_val_map_dfl },
false, LOG_LEVEL_INFO },
{ bmdDeckLinkStatusEthernetLinkMbps,
"Ethernet link speed", ST_INT,
{ .int_fmt_str = "%" PRIu64 " Mbps" },
false, LOG_LEVEL_INFO },
{ bmdDeckLinkStatusEthernetLocalIPAddress,
"Ethernet IP address", ST_STRING,
{},
false, LOG_LEVEL_INFO },
{ bmdDeckLinkStatusEthernetSubnetMask,
"Ethernet subnet mask", ST_STRING,
{},
false, LOG_LEVEL_INFO },
{ bmdDeckLinkStatusEthernetGatewayIPAddress,
"Ethernet gateway IP", ST_STRING,
{},
false, LOG_LEVEL_INFO },
{ bmdDeckLinkStatusEthernetVideoOutputAddress,
"Ethernet video output address", ST_STRING,
{},
true, LOG_LEVEL_INFO },
{ bmdDeckLinkStatusEthernetAudioOutputAddress,
"Ethernet audio output address", ST_STRING,
{},
true, LOG_LEVEL_INFO },
};
static void
print_status_item(IDeckLinkStatus *deckLinkStatus, BMDDeckLinkStatusID prop,
const char *log_prefix)
{
const struct status_property *s_prop = nullptr;
for (unsigned i = 0; i < ARR_COUNT(status_map); ++i) {
if (status_map[i].prop == prop) {
s_prop = &status_map[i];
break;
}
}
if (s_prop == nullptr) { // not found
return;
}
if (log_level < s_prop->req_log_level) {
return;
}
int64_t int_val = 0;
BMD_STR string_val{};
HRESULT rc = s_prop->type == ST_STRING
? deckLinkStatus->GetString(s_prop->prop, &string_val)
: deckLinkStatus->GetInt(s_prop->prop, &int_val);
if (!SUCCEEDED(rc)) {
if (FAILED(rc) && rc != E_NOTIMPL) {
log_msg(LOG_LEVEL_WARNING,
"%sObtain property %s (0x%08x) value: %s\n",
log_prefix, s_prop->prop_name, (unsigned) prop,
bmd_hresult_to_string(rc).c_str());
}
return;
}
switch (s_prop->type) {
case ST_STRING: {
string str = get_str_from_bmd_api_str(string_val);
release_bmd_api_str(string_val);
log_msg(LOG_LEVEL_INFO, "%s%s: %s\n", log_prefix,
s_prop->prop_name, str.c_str());
break;
}
case ST_INT: {
char buf[STR_LEN];
snprintf_ch(buf, s_prop->type_data.int_fmt_str, int_val);
log_msg(LOG_LEVEL_INFO, "%s%s: %s\n",
log_prefix, s_prop->prop_name, buf);
break;
}
case ST_BIT_FIELD: {
char val[STR_LEN];
val[0] = '\0';
for (unsigned j = 0; s_prop->type_data.map[j].name != nullptr;
++j) {
if ((int_val & s_prop->type_data.map[j].val) == 0) {
continue;
}
snprintf(val + strlen(val), sizeof val - strlen(val),
"%s%s", val[0] != '\0' ? ", " : "",
s_prop->type_data.map[j].name);
}
if (val[0] == '\0') {
snprintf_ch(val, "%s", s_prop->type_data.map[0].name);
}
log_msg(LOG_LEVEL_INFO, "%s%s: %s\n", log_prefix,
s_prop->prop_name, val);
break;
}
case ST_ENUM: {
const char *val = "unknown";
for (unsigned j = 0; s_prop->type_data.map[j].name != nullptr;
++j) {
if (s_prop->type_data.map[j].val == int_val) {
val = s_prop->type_data.map[j].name;
break;
}
}
log_msg(LOG_LEVEL_INFO, "%s%s: %s\n", log_prefix,
s_prop->prop_name, val);
break;
}
}
}
// from BMD SDK sample StatusMonitor.cpp
class BMDNotificationCallback : public IDeckLinkNotificationCallback
{
public:
explicit BMDNotificationCallback(
IDeckLinkStatus *deckLinkStatus,
IDeckLinkNotification *deckLinkNotification, const char *log_prefix)
: m_deckLinkStatus(deckLinkStatus),
m_deckLinkNotification(deckLinkNotification),
m_logPrefix(log_prefix), m_refCount(1)
{
m_deckLinkStatus->AddRef();
}
// Implement the IDeckLinkNotificationCallback interface
HRESULT STDMETHODCALLTYPE Notify(BMDNotifications topic,
uint64_t param1,
uint64_t /* param2 */) override
{
// Check whether the notification we received is a status
// notification
if (topic != bmdStatusChanged) {
return S_OK;
}
// Print the updated status value
auto statusId = (BMDDeckLinkStatusID) param1;
if (statusId == bmdDeckLinkStatusDeviceTemperature) {
HandleTemperature();
return S_OK;
}
print_status_item(m_deckLinkStatus, statusId,
m_logPrefix.c_str());
return S_OK;
}
// IUnknown needs only a dummy implementation
HRESULT STDMETHODCALLTYPE QueryInterface(REFIID /* iid */,
LPVOID * /* ppv */) override
{
return E_NOINTERFACE;
}
ULONG STDMETHODCALLTYPE AddRef() override { return ++m_refCount; }
ULONG STDMETHODCALLTYPE Release() override
{
ULONG newRefValue = --m_refCount;
if (newRefValue == 0) {
delete this;
}
return newRefValue;
}
void HandleTemperature() {
int64_t cur_temp = 0;
m_deckLinkStatus->GetInt(bmdDeckLinkStatusDeviceTemperature,
&cur_temp);
// check overheating
if (cur_temp >= m_tempThresholdErr) {
log_msg(LOG_LEVEL_ERROR,
"%sDevice is overheating! The temperature is "
"%" PRId64 " °C.\n",
m_logPrefix.c_str(), cur_temp);
return;
}
if (cur_temp < m_tempThresholdWarn &&
log_level < LOG_LEVEL_VERBOSE) {
return;
}
const time_ns_t now = get_time_in_ns();
if (cur_temp >= m_tempThresholdWarn &&
now - m_tempWarnLastShown > m_tempShowIntervalWarn) {
log_msg(
LOG_LEVEL_WARNING,
"%sDevice temperature is %" PRId64 " °C (>= %d °C).\n",
m_logPrefix.c_str(), cur_temp, m_tempThresholdWarn);
m_tempWarnLastShown = now;
return;
}
// normal behavior - print once a minute in verbose
if (now - m_tempLastShown < m_tempShowInterval) {
return;
}
print_status_item(m_deckLinkStatus,
bmdDeckLinkStatusDeviceTemperature,
m_logPrefix.c_str());
m_tempLastShown = now;
}
private:
IDeckLinkStatus *m_deckLinkStatus;
IDeckLinkNotification *m_deckLinkNotification;
string m_logPrefix;
std::atomic<ULONG> m_refCount;
// temperature check
static constexpr time_ns_t m_tempShowInterval = SEC_TO_NS(60);
static constexpr time_ns_t m_tempShowIntervalWarn = SEC_TO_NS(20);
static constexpr int m_tempThresholdWarn = 77;
static constexpr int m_tempThresholdErr = 82;
time_ns_t m_tempLastShown = 0;
time_ns_t m_tempWarnLastShown = 0;
virtual ~BMDNotificationCallback()
{
BMD_CHECK(
m_deckLinkNotification->Unsubscribe(bmdStatusChanged, this),
"BMD device notification unsubscribe", BMD_NOOP);
m_deckLinkStatus->Release();
m_deckLinkNotification->Release();
}
public:
};
/**
* @brief dump DeckLink status + register to notifications
*
* Currently only Ethernet status for DeckLink IP devices are printed.
* @param capture if true, skip irrelevant values like output addresses (A/V)
*
* @note
* Subscribing for notification is needed because if user sets eg. an IP
* address, the change isn't performed immediately so that the old value is
* actually printed while the new value is set later and it can be observed by
* the notification observer.
*
* @returns a pointer representing the notification callback, must be passed to
* destroy with bmd_unsubscribe_notify()
*/
BMDNotificationCallback *
bmd_print_status_subscribe_notify(IDeckLink *deckLink, const char *log_prefix,
bool capture)
{
IDeckLinkProfileAttributes *deckLinkAttributes = nullptr;
HRESULT result = deckLink->QueryInterface(
IID_IDeckLinkProfileAttributes, (void **) &deckLinkAttributes);
if (SUCCEEDED(result)) {
BMD_STR string_val{};
if (SUCCEEDED(deckLinkAttributes->GetString(
BMDDeckLinkEthernetMACAddress, &string_val))) {
string mac_addr = get_str_from_bmd_api_str(string_val);
release_bmd_api_str(string_val);
log_msg(LOG_LEVEL_INFO, "%sEthernet MAC address: %s\n",
log_prefix, mac_addr.c_str());
}
deckLinkAttributes->Release();
} else {
log_msg(LOG_LEVEL_ERROR,
"%sCannot obtain IID_IDeckLinkProfileAttributes from "
"DeckLink: %s\n",
log_prefix, bmd_hresult_to_string(result).c_str());
}
IDeckLinkStatus *deckLinkStatus = nullptr;
BMD_CHECK(deckLink->QueryInterface(IID_IDeckLinkStatus,
(void **) &deckLinkStatus),
"Cannot obtain IID_IDeckLinkStatus from DeckLink",
return nullptr);
// print status_map values now
for (unsigned u = 0; u < ARR_COUNT(status_map); ++u) {
if (capture && status_map[u].playback_only) {
continue;
}
print_status_item(deckLinkStatus, status_map[u].prop,
log_prefix);
}
// Obtain the notification interface
IDeckLinkNotification *deckLinkNotification = nullptr;
BMD_CHECK(deckLink->QueryInterface(IID_IDeckLinkNotification,
(void **) &deckLinkNotification),
"Could not obtain the IDeckLinkNotification interface",
deckLinkStatus->Release();
return nullptr);
auto *notificationCallback = new BMDNotificationCallback(
deckLinkStatus, deckLinkNotification, log_prefix);
assert(notificationCallback != nullptr);
BMD_CHECK(deckLinkNotification->Subscribe(bmdStatusChanged,
notificationCallback),
"Could not subscribe to the status "
"change notification",
notificationCallback->Release();
return nullptr);
return notificationCallback;
}
/**
* @param notificationCallback the pointer returned by
* bmd_print_status_subscribe_notify(); may be nullptr
*/
void
bmd_unsubscribe_notify(BMDNotificationCallback *notificationCallback)
{
if (notificationCallback == nullptr) {
return;
}
notificationCallback->Release();
}
/// parse bmd_option from given arg in format FourCC[=val]
bool
bmd_parse_fourcc_arg(
map<BMDDeckLinkConfigurationID, bmd_option> &device_options,
const char *arg)
{
const char *val = nullptr;
char tmp[STR_LEN];
if (strchr(arg, '=') != nullptr) {
snprintf_ch(tmp, "%s", strchr(arg, '=') + 1);
replace_all(tmp, DELDEL, ":");
val = tmp;
}
return device_options[(BMDDeckLinkConfigurationID) bmd_read_fourcc(arg)]
.parse(val);
}
/**
* validates bmd_option parameter combination, only issue warnings
*
* currently it just warns if IP address for DeckLink IP is given but no
* DHCP (disabled) because if not disabled, DHCP overrides the address
* (link-local IPv4 addr used if DHCP serv not present).
*/
void
bmd_options_validate(
map<BMDDeckLinkConfigurationID, bmd_option> &device_options)
{
if (device_options.find(
bmdDeckLinkConfigEthernetStaticLocalIPAddress) !=
device_options.end() &&
device_options.find(bmdDeckLinkConfigEthernetUseDHCP) ==
device_options.end()) {
MSG(WARNING,
"IP address set but DHCP not disabled via command-line "
"(but may be disabled in settings), consider adding ':DHCP=no'.\n");
}
}
ADD_TO_PARAM(R10K_FULL_OPT, "* " R10K_FULL_OPT "\n"
" Do not do conversion from/to limited range on in/out for R10k on BMD devs.\n");
ADD_TO_PARAM(BMD_NAT_SORT, "* " BMD_NAT_SORT "\n"
" Use the old BMD device sorting.\n");
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