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aja-source.cpp
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aja-source.cpp
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#include "aja-card-manager.hpp"
#include "aja-common.hpp"
#include "aja-ui-props.hpp"
#include "aja-source.hpp"
#include "aja-routing.hpp"
#include <util/threading.h>
#include <util/platform.h>
#include <util/dstr.h>
#include <util/util_uint64.h>
#include <obs-module.h>
#include <ajantv2/includes/ntv2card.h>
#include <ajantv2/includes/ntv2utils.h>
#ifndef NSEC_PER_SEC
#define NSEC_PER_SEC 1000000000LL
#endif
#define NTV2_AUDIOSIZE_MAX (401 * 1024)
static constexpr int kDefaultAudioCaptureChannels = 2;
static inline audio_repack_mode_t ConvertRepackFormat(speaker_layout format,
bool swap = false)
{
switch (format) {
case SPEAKERS_STEREO:
return repack_mode_8to2ch;
case SPEAKERS_2POINT1:
return repack_mode_8to3ch;
case SPEAKERS_4POINT0:
return repack_mode_8to4ch;
case SPEAKERS_4POINT1:
return swap ? repack_mode_8to5ch_swap : repack_mode_8to5ch;
case SPEAKERS_5POINT1:
return swap ? repack_mode_8to6ch_swap : repack_mode_8to6ch;
case SPEAKERS_7POINT1:
return swap ? repack_mode_8ch_swap : repack_mode_8ch;
default:
assert(false && "No repack requested");
return (audio_repack_mode_t)-1;
}
}
AJASource::AJASource(obs_source_t *source)
: mVideoBuffer{},
mAudioBuffer{},
mCard{nullptr},
mSourceName{""},
mCardID{""},
mDeviceIndex{0},
mBuffering{false},
mIsCapturing{false},
mSourceProps{},
mTestPattern{},
mCaptureThread{nullptr},
mMutex{},
mSource{source},
mCrosspoints{}
{
}
AJASource::~AJASource()
{
Deactivate();
mTestPattern.clear();
mVideoBuffer.Deallocate();
mAudioBuffer.Deallocate();
mVideoBuffer = 0;
mAudioBuffer = 0;
}
void AJASource::SetCard(CNTV2Card *card)
{
mCard = card;
}
CNTV2Card *AJASource::GetCard()
{
return mCard;
}
void AJASource::SetOBSSource(obs_source_t *source)
{
mSource = source;
}
obs_source_t *AJASource::GetOBSSource(void) const
{
return mSource;
}
void AJASource::SetName(const std::string &name)
{
mSourceName = name;
}
std::string AJASource::GetName() const
{
return mSourceName;
}
void populate_source_device_list(obs_property_t *list)
{
obs_property_list_clear(list);
auto &cardManager = aja::CardManager::Instance();
cardManager.EnumerateCards();
for (const auto &iter : cardManager.GetCardEntries()) {
if (iter.second) {
CNTV2Card *card = iter.second->GetCard();
if (!card)
continue;
if (aja::IsOutputOnlyDevice(iter.second->GetDeviceID()))
continue;
obs_property_list_add_string(
list, iter.second->GetDisplayName().c_str(),
iter.second->GetCardID().c_str());
}
}
}
//
// Capture Thread stuff
//
struct AudioOffsets {
ULWord currentAddress = 0;
ULWord lastAddress = 0;
ULWord readOffset = 0;
ULWord wrapAddress = 0;
ULWord bytesRead = 0;
};
static void ResetAudioBufferOffsets(CNTV2Card *card,
NTV2AudioSystem audioSystem,
AudioOffsets &offsets)
{
if (!card)
return;
offsets.currentAddress = 0;
offsets.lastAddress = 0;
offsets.readOffset = 0;
offsets.wrapAddress = 0;
offsets.bytesRead = 0;
card->GetAudioReadOffset(offsets.readOffset, audioSystem);
card->GetAudioWrapAddress(offsets.wrapAddress, audioSystem);
offsets.wrapAddress += offsets.readOffset;
offsets.lastAddress = offsets.readOffset;
}
void AJASource::GenerateTestPattern(NTV2VideoFormat vf, NTV2PixelFormat pf,
NTV2TestPatternSelect ps)
{
NTV2VideoFormat vid_fmt = vf;
NTV2PixelFormat pix_fmt = pf;
if (vid_fmt == NTV2_FORMAT_UNKNOWN)
vid_fmt = NTV2_FORMAT_720p_5994;
if (pix_fmt == NTV2_FBF_INVALID)
pix_fmt = kDefaultAJAPixelFormat;
NTV2FormatDesc fd(vid_fmt, pix_fmt, NTV2_VANCMODE_OFF);
auto bufSize = fd.GetTotalRasterBytes();
if (bufSize != mTestPattern.size()) {
mTestPattern.clear();
mTestPattern.resize(bufSize);
NTV2TestPatternGen gen;
gen.DrawTestPattern(ps, fd.GetRasterWidth(),
fd.GetRasterHeight(), pix_fmt,
mTestPattern);
}
if (mTestPattern.size() == 0) {
blog(LOG_DEBUG,
"AJASource::GenerateTestPattern: Error generating test pattern!");
return;
}
const enum video_format obs_vid_fmt =
aja::AJAPixelFormatToOBSVideoFormat(pix_fmt);
struct obs_source_frame2 obsFrame;
obsFrame.flip = false;
obsFrame.timestamp = os_gettime_ns();
obsFrame.width = fd.GetRasterWidth();
obsFrame.height = fd.GetRasterHeight();
obsFrame.format = obs_vid_fmt;
obsFrame.data[0] = mTestPattern.data();
obsFrame.linesize[0] = fd.GetBytesPerRow();
video_colorspace colorspace = VIDEO_CS_709;
if (NTV2_IS_SD_VIDEO_FORMAT(vid_fmt))
colorspace = VIDEO_CS_601;
video_format_get_parameters_for_format(colorspace, VIDEO_RANGE_PARTIAL,
obs_vid_fmt,
obsFrame.color_matrix,
obsFrame.color_range_min,
obsFrame.color_range_max);
obs_source_output_video2(mSource, &obsFrame);
blog(LOG_DEBUG, "AJASource::GenerateTestPattern: Black");
}
static inline uint64_t samples_to_ns(size_t frames, uint_fast32_t rate)
{
return util_mul_div64(frames, NSEC_PER_SEC, rate);
}
static inline uint64_t get_sample_time(size_t frames, uint_fast32_t rate)
{
return os_gettime_ns() - samples_to_ns(frames, rate);
}
static bool CheckTransferAudioDMA(CNTV2Card *card,
const NTV2AudioSystem audioSystem,
void *buffer, ULWord bufferSize,
ULWord dmaOffset, ULWord dmaSize,
const char *log_id)
{
if (dmaSize > bufferSize) {
blog(LOG_DEBUG,
"AJASource::CaptureThread: Audio overrun %s! Buffer Size: %u, Bytes Captured: %u",
log_id, bufferSize, dmaSize);
return false;
}
card->DMAReadAudio(audioSystem, (ULWord *)buffer, dmaOffset, dmaSize);
return true;
}
static inline bool TransferAudio(CNTV2Card *card,
const NTV2AudioSystem audioSystem,
NTV2_POINTER &audioBuffer,
AudioOffsets &offsets)
{
card->ReadAudioLastIn(offsets.currentAddress, audioSystem);
offsets.currentAddress += 1;
offsets.currentAddress += offsets.readOffset;
if (offsets.currentAddress < offsets.lastAddress) {
offsets.bytesRead = offsets.wrapAddress - offsets.lastAddress;
if (!CheckTransferAudioDMA(card, audioSystem, audioBuffer,
audioBuffer.GetByteCount(),
offsets.lastAddress,
offsets.bytesRead, "(1)"))
return false;
if (!CheckTransferAudioDMA(
card, audioSystem,
audioBuffer.GetHostAddress(offsets.bytesRead),
audioBuffer.GetByteCount() - offsets.bytesRead,
offsets.readOffset,
offsets.currentAddress - offsets.readOffset, "(2)"))
return false;
offsets.bytesRead +=
offsets.currentAddress - offsets.readOffset;
} else {
offsets.bytesRead =
offsets.currentAddress - offsets.lastAddress;
if (!CheckTransferAudioDMA(card, audioSystem, audioBuffer,
audioBuffer.GetByteCount(),
offsets.lastAddress,
offsets.bytesRead, "(3)"))
return false;
}
return true;
}
void AJASource::CaptureThread(AJAThread *thread, void *data)
{
UNUSED_PARAMETER(thread);
auto ajaSource = (AJASource *)data;
if (!ajaSource) {
blog(LOG_WARNING,
"AJASource::CaptureThread: Plugin instance is null!");
return;
}
blog(LOG_INFO,
"AJASource::CaptureThread: Starting capture thread for AJA source %s",
ajaSource->GetName().c_str());
auto card = ajaSource->GetCard();
if (!card) {
blog(LOG_ERROR,
"AJASource::CaptureThread: Card instance is null!");
return;
}
auto sourceProps = ajaSource->GetSourceProps();
ajaSource->ResetVideoBuffer(sourceProps.videoFormat,
sourceProps.pixelFormat);
auto inputSource = sourceProps.InitialInputSource();
auto channel = sourceProps.Channel();
auto framestore = sourceProps.Framestore();
auto audioSystem = sourceProps.AudioSystem();
// Current "on-air" frame on the card. The capture thread "Ping-pongs" between
// two frames, starting at an index corresponding to the framestore channel.
// For example:
// Channel 1 (index 0) = frames 0/1
// Channel 2 (index 1) = frames 2/3
// Channel 3 (index 2) = frames 4/5
// Channel 4 (index 3) = frames 6/7
// etc...
ULWord currentCardFrame = GetIndexForNTV2Channel(framestore) * 2;
card->WaitForInputFieldID(NTV2_FIELD0, channel);
currentCardFrame ^= 1;
card->SetInputFrame(framestore, currentCardFrame);
AudioOffsets offsets;
ResetAudioBufferOffsets(card, audioSystem, offsets);
obs_data_t *settings = obs_source_get_settings(ajaSource->mSource);
AudioRepacker *audioRepacker = new AudioRepacker(
ConvertRepackFormat(sourceProps.SpeakerLayout(),
sourceProps.swapFrontCenterLFE),
sourceProps.audioSampleSize * 8);
while (ajaSource->IsCapturing()) {
if (card->GetModelName() == "(Not Found)") {
os_sleep_ms(250);
obs_source_update(ajaSource->mSource, settings);
break;
}
auto videoFormat = sourceProps.videoFormat;
auto pixelFormat = sourceProps.pixelFormat;
auto ioSelection = sourceProps.ioSelect;
card->WaitForInputFieldID(NTV2_FIELD0, channel);
currentCardFrame ^= 1;
// Card format detection -- restarts capture thread via aja_source_update callback
auto newVideoFormat = card->GetInputVideoFormat(
inputSource, aja::Is3GLevelB(card, channel));
if (newVideoFormat == NTV2_FORMAT_UNKNOWN) {
blog(LOG_DEBUG,
"AJASource::CaptureThread: Video format unknown!");
ajaSource->GenerateTestPattern(videoFormat, pixelFormat,
NTV2_TestPatt_Black);
os_sleep_ms(250);
continue;
}
newVideoFormat = aja::HandleSpecialCaseFormats(
ioSelection, newVideoFormat, sourceProps.deviceID);
if (sourceProps.autoDetect && (videoFormat != newVideoFormat)) {
blog(LOG_INFO,
"AJASource::CaptureThread: New Video Format detected! Triggering 'aja_source_update' callback and returning...");
blog(LOG_INFO,
"AJASource::CaptureThread: Current Video Format: %s, | Want Video Format: %s",
NTV2VideoFormatToString(videoFormat, true).c_str(),
NTV2VideoFormatToString(newVideoFormat, true)
.c_str());
os_sleep_ms(250);
obs_source_update(ajaSource->mSource, settings);
break;
}
if (!TransferAudio(card, audioSystem, ajaSource->mAudioBuffer,
offsets)) {
ResetAudioBufferOffsets(card, audioSystem, offsets);
} else {
offsets.lastAddress = offsets.currentAddress;
uint32_t sampleCount = offsets.bytesRead /
(kDefaultAudioChannels *
sourceProps.audioSampleSize);
obs_source_audio audioPacket;
audioPacket.samples_per_sec =
sourceProps.audioSampleRate;
audioPacket.format = sourceProps.AudioFormat();
audioPacket.speakers = sourceProps.SpeakerLayout();
audioPacket.frames = sampleCount;
audioPacket.timestamp =
get_sample_time(audioPacket.frames,
sourceProps.audioSampleRate);
uint8_t *hostAudioBuffer =
(uint8_t *)ajaSource->mAudioBuffer
.GetHostPointer();
if (sourceProps.audioNumChannels >= 2 &&
sourceProps.audioNumChannels <= 6) {
/* Repack 8ch audio to fit specified OBS speaker layout */
audioRepacker->repack(hostAudioBuffer,
sampleCount);
audioPacket.data[0] =
(*audioRepacker)->packet_buffer;
} else {
/* Silence, or pass-through 8ch of audio */
if (sourceProps.audioNumChannels == 0)
memset(hostAudioBuffer, 0,
offsets.bytesRead);
audioPacket.data[0] = hostAudioBuffer;
}
obs_source_output_audio(ajaSource->mSource,
&audioPacket);
}
if (ajaSource->mVideoBuffer.GetByteCount() == 0) {
blog(LOG_DEBUG,
"AJASource::CaptureThread: 0 bytes in video buffer! Something went wrong!");
continue;
}
card->DMAReadFrame(currentCardFrame, ajaSource->mVideoBuffer,
ajaSource->mVideoBuffer.GetByteCount());
auto actualVideoFormat = videoFormat;
if (aja::Is3GLevelB(card, channel))
actualVideoFormat = aja::GetLevelAFormatForLevelBFormat(
videoFormat);
const enum video_format obs_vid_fmt =
aja::AJAPixelFormatToOBSVideoFormat(
sourceProps.pixelFormat);
NTV2FormatDesc fd(actualVideoFormat, pixelFormat);
struct obs_source_frame2 obsFrame;
obsFrame.flip = false;
obsFrame.timestamp = os_gettime_ns();
obsFrame.width = fd.GetRasterWidth();
obsFrame.height = fd.GetRasterHeight();
obsFrame.format = obs_vid_fmt;
obsFrame.data[0] = reinterpret_cast<uint8_t *>(
(ULWord *)ajaSource->mVideoBuffer.GetHostPointer());
obsFrame.linesize[0] = fd.GetBytesPerRow();
video_colorspace colorspace = VIDEO_CS_709;
if (NTV2_IS_SD_VIDEO_FORMAT(actualVideoFormat))
colorspace = VIDEO_CS_601;
video_format_get_parameters_for_format(
colorspace, VIDEO_RANGE_PARTIAL, obs_vid_fmt,
obsFrame.color_matrix, obsFrame.color_range_min,
obsFrame.color_range_max);
obs_source_output_video2(ajaSource->mSource, &obsFrame);
card->SetInputFrame(framestore, currentCardFrame);
}
blog(LOG_INFO, "AJASource::Capturethread: Thread loop stopped");
if (audioRepacker) {
delete audioRepacker;
audioRepacker = nullptr;
}
ajaSource->GenerateTestPattern(sourceProps.videoFormat,
sourceProps.pixelFormat,
NTV2_TestPatt_Black);
obs_data_release(settings);
}
void AJASource::Deactivate()
{
SetCapturing(false);
if (mCaptureThread) {
if (mCaptureThread->Active()) {
mCaptureThread->Stop();
blog(LOG_INFO, "AJASource::CaptureThread: Stopped!");
}
delete mCaptureThread;
mCaptureThread = nullptr;
blog(LOG_INFO, "AJASource::CaptureThread: Destroyed!");
}
}
void AJASource::Activate(bool enable)
{
if (mCaptureThread == nullptr) {
mCaptureThread = new AJAThread();
mCaptureThread->Attach(AJASource::CaptureThread, this);
mCaptureThread->SetPriority(AJA_ThreadPriority_High);
blog(LOG_INFO, "AJASource::CaptureThread: Created!");
}
if (enable) {
SetCapturing(true);
if (!mCaptureThread->Active()) {
mCaptureThread->Start();
blog(LOG_INFO, "AJASource::CaptureThread: Started!");
}
}
}
bool AJASource::IsCapturing() const
{
return mIsCapturing;
}
void AJASource::SetCapturing(bool capturing)
{
std::lock_guard<std::mutex> lock(mMutex);
mIsCapturing = capturing;
}
//
// CardEntry/Device stuff
//
std::string AJASource::CardID() const
{
return mCardID;
}
void AJASource::SetCardID(const std::string &cardID)
{
mCardID = cardID;
}
uint32_t AJASource::DeviceIndex() const
{
return static_cast<uint32_t>(mDeviceIndex);
}
void AJASource::SetDeviceIndex(uint32_t index)
{
mDeviceIndex = static_cast<UWord>(index);
}
//
// AJASource Properties stuff
//
void AJASource::SetSourceProps(const SourceProps &props)
{
mSourceProps = props;
}
SourceProps AJASource::GetSourceProps() const
{
return mSourceProps;
}
void AJASource::CacheConnections(const NTV2XptConnections &cnx)
{
mCrosspoints.clear();
mCrosspoints = cnx;
}
void AJASource::ClearConnections()
{
for (auto &&xpt : mCrosspoints) {
mCard->Connect(xpt.first, NTV2_XptBlack);
}
mCrosspoints.clear();
}
bool AJASource::ReadChannelVPIDs(NTV2Channel channel, VPIDData &vpids)
{
ULWord vpid_a = 0;
ULWord vpid_b = 0;
bool read_ok = mCard->ReadSDIInVPID(channel, vpid_a, vpid_b);
vpids.SetA(vpid_a);
vpids.SetB(vpid_b);
vpids.Parse();
return read_ok;
}
bool AJASource::ReadWireFormats(NTV2DeviceID device_id, IOSelection io_select,
NTV2VideoFormat &vf, NTV2PixelFormat &pf,
VPIDDataList &vpids)
{
NTV2InputSourceSet input_srcs;
aja::IOSelectionToInputSources(io_select, input_srcs);
if (input_srcs.empty()) {
blog(LOG_INFO,
"AJASource::ReadWireFormats: No NTV2InputSources found for IOSelection %s",
aja::IOSelectionToString(io_select).c_str());
return false;
}
NTV2InputSource initial_src = *input_srcs.begin();
for (auto &&src : input_srcs) {
auto channel = NTV2InputSourceToChannel(src);
mCard->EnableChannel(channel);
if (NTV2_INPUT_SOURCE_IS_SDI(src)) {
if (NTV2DeviceHasBiDirectionalSDI(device_id)) {
mCard->SetSDITransmitEnable(channel, false);
}
mCard->WaitForInputVerticalInterrupt(channel);
VPIDData vpid_data;
if (ReadChannelVPIDs(channel, vpid_data))
vpids.push_back(vpid_data);
} else if (NTV2_INPUT_SOURCE_IS_HDMI(src)) {
mCard->WaitForInputVerticalInterrupt(channel);
ULWord hdmi_version =
NTV2DeviceGetHDMIVersion(device_id);
// HDMIv1 handles its own RGB->YCbCr color space conversion
if (hdmi_version == 1) {
pf = kDefaultAJAPixelFormat;
} else {
NTV2LHIHDMIColorSpace hdmiInputColor;
mCard->GetHDMIInputColor(hdmiInputColor,
channel);
if (hdmiInputColor ==
NTV2_LHIHDMIColorSpaceYCbCr) {
pf = kDefaultAJAPixelFormat;
} else if (hdmiInputColor ==
NTV2_LHIHDMIColorSpaceRGB) {
pf = NTV2_FBF_24BIT_BGR;
}
}
}
}
NTV2Channel initial_channel = NTV2InputSourceToChannel(initial_src);
mCard->WaitForInputVerticalInterrupt(initial_channel);
vf = mCard->GetInputVideoFormat(
initial_src, aja::Is3GLevelB(mCard, initial_channel));
if (NTV2_INPUT_SOURCE_IS_SDI(initial_src)) {
if (vpids.size() > 0) {
auto vpid = *vpids.begin();
if (vpid.Sampling() == VPIDSampling_YUV_422) {
if (vpid.BitDepth() == VPIDBitDepth_8)
pf = NTV2_FBF_8BIT_YCBCR;
else if (vpid.BitDepth() == VPIDBitDepth_10)
pf = NTV2_FBF_10BIT_YCBCR;
blog(LOG_INFO,
"AJASource::ReadWireFormats - Detected pixel format %s",
NTV2FrameBufferFormatToString(pf, true)
.c_str());
} else if (vpid.Sampling() == VPIDSampling_GBR_444) {
pf = NTV2_FBF_24BIT_BGR;
blog(LOG_INFO,
"AJASource::ReadWireFormats - Detected pixel format %s",
NTV2FrameBufferFormatToString(pf, true)
.c_str());
}
}
}
vf = aja::HandleSpecialCaseFormats(io_select, vf, device_id);
blog(LOG_INFO, "AJASource::ReadWireFormats - Detected video format %s",
NTV2VideoFormatToString(vf).c_str());
return true;
}
void AJASource::ResetVideoBuffer(NTV2VideoFormat vf, NTV2PixelFormat pf)
{
if (vf != NTV2_FORMAT_UNKNOWN) {
auto videoBufferSize = GetVideoWriteSize(vf, pf);
if (mVideoBuffer)
mVideoBuffer.Deallocate();
mVideoBuffer.Allocate(videoBufferSize, true);
blog(LOG_INFO,
"AJASource::ResetVideoBuffer: Video Format: %s | Pixel Format: %s | Buffer Size: %d",
NTV2VideoFormatToString(vf, false).c_str(),
NTV2FrameBufferFormatToString(pf, true).c_str(),
videoBufferSize);
}
}
void AJASource::ResetAudioBuffer(size_t size)
{
if (mAudioBuffer)
mAudioBuffer.Deallocate();
mAudioBuffer.Allocate(size, true);
}
static const char *aja_source_get_name(void *);
static void *aja_source_create(obs_data_t *, obs_source_t *);
static void aja_source_destroy(void *);
static void aja_source_activate(void *);
static void aja_source_deactivate(void *);
static void aja_source_update(void *, obs_data_t *);
const char *aja_source_get_name(void *unused)
{
UNUSED_PARAMETER(unused);
return obs_module_text(kUIPropCaptureModule.text);
}
bool aja_source_device_changed(void *data, obs_properties_t *props,
obs_property_t *list, obs_data_t *settings)
{
UNUSED_PARAMETER(list);
blog(LOG_DEBUG, "AJA Source Device Changed");
auto *ajaSource = (AJASource *)data;
if (!ajaSource) {
blog(LOG_DEBUG,
"aja_source_device_changed: AJA Source instance is null!");
return false;
}
const char *cardID = obs_data_get_string(settings, kUIPropDevice.id);
if (!cardID || !cardID[0])
return false;
auto &cardManager = aja::CardManager::Instance();
auto cardEntry = cardManager.GetCardEntry(cardID);
if (!cardEntry) {
blog(LOG_DEBUG,
"aja_source_device_changed: Card Entry not found for %s",
cardID);
return false;
}
blog(LOG_DEBUG, "Found CardEntry for %s", cardID);
CNTV2Card *card = cardEntry->GetCard();
if (!card) {
blog(LOG_DEBUG,
"aja_source_device_changed: Card instance is null!");
return false;
}
const NTV2DeviceID deviceID = card->GetDeviceID();
/* If Channel 1 is actively in use, filter the video format list to only
* show video formats within the same framerate family. If Channel 1 is
* not active we just go ahead and try to set all framestores to the same video format.
* This is because Channel 1's clock rate will govern the card's Free Run clock.
*/
NTV2VideoFormat videoFormatChannel1 = NTV2_FORMAT_UNKNOWN;
if (!cardEntry->ChannelReady(NTV2_CHANNEL1, ajaSource->GetName())) {
card->GetVideoFormat(videoFormatChannel1, NTV2_CHANNEL1);
}
obs_property_t *devices_list =
obs_properties_get(props, kUIPropDevice.id);
obs_property_t *io_select_list =
obs_properties_get(props, kUIPropInput.id);
obs_property_t *vid_fmt_list =
obs_properties_get(props, kUIPropVideoFormatSelect.id);
obs_property_t *pix_fmt_list =
obs_properties_get(props, kUIPropPixelFormatSelect.id);
obs_property_t *sdi_trx_list =
obs_properties_get(props, kUIPropSDITransport.id);
obs_property_t *sdi_4k_list =
obs_properties_get(props, kUIPropSDITransport4K.id);
obs_property_t *channel_format_list =
obs_properties_get(props, kUIPropChannelFormat.id);
obs_property_list_clear(vid_fmt_list);
obs_property_list_add_int(vid_fmt_list, obs_module_text("Auto"),
kAutoDetect);
populate_video_format_list(deviceID, vid_fmt_list, videoFormatChannel1,
true);
obs_property_list_clear(pix_fmt_list);
obs_property_list_add_int(pix_fmt_list, obs_module_text("Auto"),
kAutoDetect);
populate_pixel_format_list(deviceID,
{kDefaultAJAPixelFormat,
NTV2_FBF_10BIT_YCBCR, NTV2_FBF_24BIT_BGR},
pix_fmt_list);
IOSelection io_select = static_cast<IOSelection>(
obs_data_get_int(settings, kUIPropInput.id));
obs_property_list_clear(sdi_trx_list);
populate_sdi_transport_list(sdi_trx_list, deviceID, true);
obs_property_list_clear(sdi_4k_list);
populate_sdi_4k_transport_list(sdi_4k_list);
obs_property_list_clear(channel_format_list);
obs_property_list_add_int(channel_format_list, TEXT_CHANNEL_FORMAT_NONE,
0);
obs_property_list_add_int(channel_format_list,
TEXT_CHANNEL_FORMAT_2_0CH, 2);
obs_property_list_add_int(channel_format_list,
TEXT_CHANNEL_FORMAT_2_1CH, 3);
obs_property_list_add_int(channel_format_list,
TEXT_CHANNEL_FORMAT_4_0CH, 4);
obs_property_list_add_int(channel_format_list,
TEXT_CHANNEL_FORMAT_4_1CH, 5);
obs_property_list_add_int(channel_format_list,
TEXT_CHANNEL_FORMAT_5_1CH, 6);
obs_property_list_add_int(channel_format_list,
TEXT_CHANNEL_FORMAT_7_1CH, 8);
populate_io_selection_input_list(cardID, ajaSource->GetName(), deviceID,
io_select_list);
auto curr_vf = static_cast<NTV2VideoFormat>(
obs_data_get_int(settings, kUIPropVideoFormatSelect.id));
bool have_cards = cardManager.NumCardEntries() > 0;
obs_property_set_visible(devices_list, have_cards);
obs_property_set_visible(io_select_list, have_cards);
obs_property_set_visible(vid_fmt_list, have_cards);
obs_property_set_visible(pix_fmt_list, have_cards);
obs_property_set_visible(
sdi_trx_list, have_cards && aja::IsIOSelectionSDI(io_select));
obs_property_set_visible(
sdi_4k_list, have_cards && NTV2_IS_4K_VIDEO_FORMAT(curr_vf));
return true;
}
bool aja_io_selection_changed(void *data, obs_properties_t *props,
obs_property_t *list, obs_data_t *settings)
{
UNUSED_PARAMETER(list);
AJASource *ajaSource = (AJASource *)data;
if (!ajaSource) {
blog(LOG_DEBUG,
"aja_io_selection_changed: AJA Source instance is null!");
return false;
}
const char *cardID = obs_data_get_string(settings, kUIPropDevice.id);
if (!cardID || !cardID[0])
return false;
auto &cardManager = aja::CardManager::Instance();
auto cardEntry = cardManager.GetCardEntry(cardID);
if (!cardEntry) {
blog(LOG_DEBUG,
"aja_io_selection_changed: Card Entry not found for %s",
cardID);
return false;
}
filter_io_selection_input_list(cardID, ajaSource->GetName(),
obs_properties_get(props,
kUIPropInput.id));
obs_property_set_visible(
obs_properties_get(props, kUIPropSDITransport.id),
aja::IsIOSelectionSDI(static_cast<IOSelection>(
obs_data_get_int(settings, kUIPropInput.id))));
return true;
}
bool aja_sdi_mode_list_changed(obs_properties_t *props, obs_property_t *list,
obs_data_t *settings)
{
UNUSED_PARAMETER(props);
UNUSED_PARAMETER(list);
UNUSED_PARAMETER(settings);
return true;
}
void *aja_source_create(obs_data_t *settings, obs_source_t *source)
{
blog(LOG_DEBUG, "AJA Source Create");
auto ajaSource = new AJASource(source);
ajaSource->SetName(obs_source_get_name(source));
obs_source_set_async_decoupled(source, true);
ajaSource->SetOBSSource(source);
ajaSource->ResetAudioBuffer(NTV2_AUDIOSIZE_MAX);
ajaSource->Activate(false);
obs_source_update(source, settings);
return ajaSource;
}
void aja_source_destroy(void *data)
{
blog(LOG_DEBUG, "AJA Source Destroy");
auto ajaSource = (AJASource *)data;
if (!ajaSource) {
blog(LOG_ERROR, "aja_source_destroy: Plugin instance is null!");
return;
}
ajaSource->Deactivate();
NTV2DeviceID deviceID = DEVICE_ID_NOTFOUND;
CNTV2Card *card = ajaSource->GetCard();
if (card) {
deviceID = card->GetDeviceID();
aja::Routing::StopSourceAudio(ajaSource->GetSourceProps(),
card);
}
ajaSource->mVideoBuffer.Deallocate();
ajaSource->mAudioBuffer.Deallocate();
ajaSource->mVideoBuffer = 0;
ajaSource->mAudioBuffer = 0;
auto &cardManager = aja::CardManager::Instance();
const auto &cardID = ajaSource->CardID();
auto cardEntry = cardManager.GetCardEntry(cardID);
if (!cardEntry) {
blog(LOG_DEBUG,
"aja_source_destroy: Card Entry not found for %s",
cardID.c_str());
return;
}
auto ioSelect = ajaSource->GetSourceProps().ioSelect;
if (!cardEntry->ReleaseInputSelection(ioSelect, deviceID,
ajaSource->GetName())) {
blog(LOG_WARNING,
"aja_source_destroy: Error releasing Input Selection!");
}
delete ajaSource;
ajaSource = nullptr;
}
static void aja_source_show(void *data)
{
auto ajaSource = (AJASource *)data;
if (!ajaSource) {
blog(LOG_ERROR,
"aja_source_show: AJA Source instance is null!");
return;
}
bool deactivateWhileNotShowing =
ajaSource->GetSourceProps().deactivateWhileNotShowing;
bool showing = obs_source_showing(ajaSource->GetOBSSource());
blog(LOG_DEBUG,
"aja_source_show: deactivateWhileNotShowing = %s, showing = %s",
deactivateWhileNotShowing ? "true" : "false",
showing ? "true" : "false");
if (deactivateWhileNotShowing && showing && !ajaSource->IsCapturing()) {
ajaSource->Activate(true);
blog(LOG_DEBUG, "aja_source_show: activated capture thread!");
}
}
static void aja_source_hide(void *data)
{
auto ajaSource = (AJASource *)data;
if (!ajaSource)
return;
bool deactivateWhileNotShowing =
ajaSource->GetSourceProps().deactivateWhileNotShowing;
bool showing = obs_source_showing(ajaSource->GetOBSSource());
blog(LOG_DEBUG,
"aja_source_hide: deactivateWhileNotShowing = %s, showing = %s",
deactivateWhileNotShowing ? "true" : "false",
showing ? "true" : "false");
if (deactivateWhileNotShowing && !showing && ajaSource->IsCapturing()) {
ajaSource->Deactivate();
blog(LOG_DEBUG, "aja_source_hide: deactivated capture thread!");
}
}
static void aja_source_activate(void *data)
{
UNUSED_PARAMETER(data);
}
static void aja_source_deactivate(void *data)
{
UNUSED_PARAMETER(data);
}
static void aja_source_update(void *data, obs_data_t *settings)
{
static bool initialized = false;
auto ajaSource = (AJASource *)data;
if (!ajaSource) {
blog(LOG_WARNING,
"aja_source_update: Plugin instance is null!");
return;
}
auto io_select = static_cast<IOSelection>(
obs_data_get_int(settings, kUIPropInput.id));
auto vf_select = static_cast<NTV2VideoFormat>(
obs_data_get_int(settings, kUIPropVideoFormatSelect.id));
auto pf_select = static_cast<NTV2PixelFormat>(
obs_data_get_int(settings, kUIPropPixelFormatSelect.id));
auto sdi_trx_select = static_cast<SDITransport>(
obs_data_get_int(settings, kUIPropSDITransport.id));
auto sdi_t4k_select = static_cast<SDITransport4K>(
obs_data_get_int(settings, kUIPropSDITransport4K.id));
auto num_audio_channels =
obs_data_get_int(settings, kUIPropChannelFormat.id);
bool deactivateWhileNotShowing =
obs_data_get_bool(settings, kUIPropDeactivateWhenNotShowing.id);
bool swapFrontCenterLFE =
obs_data_get_bool(settings, kUIPropChannelSwap_FC_LFE.id);
const std::string &wantCardID =
obs_data_get_string(settings, kUIPropDevice.id);
obs_source_set_async_unbuffered(
ajaSource->GetOBSSource(),
!obs_data_get_bool(settings, kUIPropBuffering.id));
const std::string ¤tCardID = ajaSource->CardID();
if (wantCardID != currentCardID) {
initialized = false;
ajaSource->Deactivate();
}