int krad_decklink_cpp_detect_devices () {
IDeckLinkIterator *deckLinkIterator;
IDeckLink *deckLink;
int device_count;
//HRESULT result;
device_count = 0;
deckLinkIterator = CreateDeckLinkIteratorInstance();
if (deckLinkIterator == NULL) {
printke ("krad_decklink_detect_devices: The DeckLink drivers may not be installed.");
return 0;
}
while (deckLinkIterator->Next(&deckLink) == S_OK) {
device_count++;
deckLink->Release();
}
deckLinkIterator->Release();
return device_count;
}
bool DeckLinkController::init() {
IDeckLinkIterator* deckLinkIterator = NULL;
IDeckLink* deckLink = NULL;
bool result = false;
// Create an iterator
deckLinkIterator = CreateDeckLinkIteratorInstance();
if (deckLinkIterator == NULL) {
ofLogError("DeckLinkController") << "Please install the Blackmagic Desktop Video drivers to use the features of this application.";
goto bail;
}
// List all DeckLink devices
while (deckLinkIterator->Next(&deckLink) == S_OK) {
// Add device to the device list
deviceList.push_back(deckLink);
}
if (deviceList.size() == 0) {
ofLogError("DeckLinkController") << "You will not be able to use the features of this application until a Blackmagic device is installed.";
goto bail;
}
result = true;
bail:
if (deckLinkIterator != NULL) {
deckLinkIterator->Release();
deckLinkIterator = NULL;
}
return result;
}
//
// Get a list of the names of the cards
//
int dl_list_devices( CaptureCardList *cards ){
IDeckLinkIterator* deckLinkIterator;
IDeckLink* deckLink;
int numDevices = 0;
HRESULT result;
// Create an IDeckLinkIterator object to enumerate all DeckLink cards in the system
deckLinkIterator = CreateDeckLinkIteratorInstance();
if (deckLinkIterator == NULL)
{
//fprintf(stderr, "A DeckLink iterator could not be created. The DeckLink drivers may not be installed.\n");
return 0;
}
while (deckLinkIterator->Next(&deckLink) == S_OK)
{
char * deviceNameString = NULL;
// *** Print the model name of the DeckLink card
result = deckLink->GetModelName((const char **) &deviceNameString);
if (result == S_OK){
if(numDevices < MAX_CAPTURE_LIST_ITEMS){
strcpy(cards->item[numDevices],deviceNameString);
}
numDevices++;
free(deviceNameString);
}
// Release the IDeckLink instance when we've finished with it to prevent leaks
deckLink->Release();
}
deckLinkIterator->Release();
cards->items = numDevices;
return numDevices;
}
int old_main (int argc, char** argv)
{
IDeckLinkIterator* deckLinkIterator;
IDeckLink* deckLink;
int numDevices = 0;
HRESULT result;
// Create an IDeckLinkIterator object to enumerate all DeckLink cards in the system
deckLinkIterator = CreateDeckLinkIteratorInstance();
if (deckLinkIterator == NULL)
{
fprintf(stderr, "A DeckLink iterator could not be created. The DeckLink drivers may not be installed.\n");
return 1;
}
// Enumerate all cards in this system
while (deckLinkIterator->Next(&deckLink) == S_OK)
{
char * deviceNameString = NULL;
// Increment the total number of DeckLink cards found
numDevices++;
if (numDevices > 1)
printf("\n\n");
// *** Print the model name of the DeckLink card
result = deckLink->GetModelName((const char **) &deviceNameString);
if (result == S_OK)
{
printf("=============== %s ===============\n\n", deviceNameString);
free(deviceNameString);
}
print_attributes(deckLink);
// ** List the video output display modes supported by the card
print_output_modes(deckLink);
// ** List the video input display modes supported by the card
print_input_modes(deckLink);
// ** List the input and output capabilities of the card
print_capabilities(deckLink);
// Release the IDeckLink instance when we've finished with it to prevent leaks
deckLink->Release();
}
deckLinkIterator->Release();
// If no DeckLink cards were found in the system, inform the user
if (numDevices == 0)
printf("No Blackmagic Design devices were found.\n");
printf("\n");
return 0;
}
bool open( unsigned card = 0 )
{
IDeckLinkIterator* deckLinkIterator = CreateDeckLinkIteratorInstance();
unsigned i = 0;
if ( !deckLinkIterator )
{
mlt_log_verbose( NULL, "The DeckLink drivers not installed.\n" );
return false;
}
// Connect to the Nth DeckLink instance
do {
if ( deckLinkIterator->Next( &m_deckLink ) != S_OK )
{
mlt_log_verbose( NULL, "DeckLink card not found\n" );
deckLinkIterator->Release();
return false;
}
} while ( ++i <= card );
// Obtain the audio/video output interface (IDeckLinkOutput)
if ( m_deckLink->QueryInterface( IID_IDeckLinkOutput, (void**)&m_deckLinkOutput ) != S_OK )
{
mlt_log_verbose( NULL, "No DeckLink cards support output\n" );
m_deckLink->Release();
m_deckLink = 0;
deckLinkIterator->Release();
return false;
}
// Provide this class as a delegate to the audio and video output interfaces
m_deckLinkOutput->SetScheduledFrameCompletionCallback( this );
m_deckLinkOutput->SetAudioCallback( this );
pthread_mutex_init( &m_mutex, NULL );
pthread_cond_init( &m_condition, NULL );
m_maxAudioBuffer = bmdAudioSampleRate48kHz;
m_videoFrameQ = mlt_deque_init();
return true;
}
bool BMDOpenGLOutput::InitDeckLink()
{
bool bSuccess = FALSE;
IDeckLinkIterator* pDLIterator = NULL;
pDLIterator = CreateDeckLinkIteratorInstance();
if (pDLIterator == NULL)
{
QMessageBox::critical(NULL,"This application requires the DeckLink drivers installed.", "Please install the Blackmagic DeckLink drivers to use the features of this application.");
goto error;
}
if (pDLIterator->Next(&pDL) != S_OK)
{
QMessageBox::critical(NULL,"This application requires a DeckLink device.", "You will not be able to use the features of this application until a DeckLink device is installed.");
goto error;
}
if (pDL->QueryInterface(IID_IDeckLinkOutput, (void**)&pDLOutput) != S_OK)
goto error;
pRenderDelegate = new RenderDelegate(this);
if (pRenderDelegate == NULL)
goto error;
if (pDLOutput->SetScheduledFrameCompletionCallback(pRenderDelegate) != S_OK)
goto error;
bSuccess = TRUE;
error:
if (!bSuccess)
{
if (pDLOutput != NULL)
{
pDLOutput->Release();
pDLOutput = NULL;
}
if (pDL != NULL)
{
pDL->Release();
pDL = NULL;
}
}
if (pDLIterator != NULL)
{
pDLIterator->Release();
pDLIterator = NULL;
}
return bSuccess;
}
static void
init_devices (void)
{
IDeckLinkIterator *iterator;
IDeckLink *decklink = NULL;
HRESULT ret;
int i;
static gboolean inited = FALSE;
if (inited) return;
inited = TRUE;
iterator = CreateDeckLinkIteratorInstance ();
if (iterator == NULL) {
GST_ERROR ("no driver");
return;
}
i = 0;
ret = iterator->Next (&decklink);
while (ret == S_OK) {
devices[i].decklink = decklink;
ret = decklink->QueryInterface (IID_IDeckLinkInput,
(void **) &devices[i].input);
if (ret != S_OK) {
GST_WARNING ("selected device does not have input interface");
}
ret = decklink->QueryInterface (IID_IDeckLinkOutput,
(void **) &devices[i].output);
if (ret != S_OK) {
GST_WARNING ("selected device does not have output interface");
}
ret = decklink->QueryInterface (IID_IDeckLinkConfiguration,
(void **) &devices[i].config);
if (ret != S_OK) {
GST_WARNING ("selected device does not have config interface");
}
ret = iterator->Next (&decklink);
i++;
if (i == 10) {
GST_WARNING ("this hardware has more then 10 devices");
break;
}
}
n_devices = i;
iterator->Release();
}
vector<ofVideoDevice> ofxBlackmagicGrabber::listDevices() {
IDeckLinkIterator* deckLinkIterator;
IDeckLink* deckLink;
int numDevices = 0;
HRESULT result;
vector<ofVideoDevice> devices;
// Create an IDeckLinkIterator object to enumerate all DeckLink cards in the system
deckLinkIterator = CreateDeckLinkIteratorInstance();
if (deckLinkIterator == NULL){
ofLogError(LOG_NAME) << "A DeckLink iterator could not be created. The DeckLink drivers may not be installed.";
}
// Enumerate all cards in this system
while (deckLinkIterator->Next(&deckLink) == S_OK){
CFStringRef deviceNameString;
// Increment the total number of DeckLink cards found
numDevices++;
if (numDevices > 1)
printf("\n\n");
// *** Print the model name of the DeckLink card
result = deckLink->GetModelName(&deviceNameString);
if (result == S_OK)
{
printf("=============== %s ===============\n\n", deviceNameString);
// free(deviceNameString);
}
print_attributes(deckLink);
// ** List the video output display modes supported by the card
print_output_modes(deckLink);
// ** List the input and output capabilities of the card
print_capabilities(deckLink);
// Release the IDeckLink instance when we've finished with it to prevent leaks
deckLink->Release();
}
deckLinkIterator->Release();
// If no DeckLink cards were found in the system, inform the user
if (numDevices == 0)
ofLogError(LOG_NAME) << "No Blackmagic Design devices were found.";
return devices;
}
static void
gst_decklinksrc_class_probe_devices (GstElementClass * klass)
{
IDeckLinkIterator *iterator;
IDeckLink *decklink;
n_devices = 0;
iterator = CreateDeckLinkIteratorInstance ();
if (iterator) {
while (iterator->Next (&decklink) == S_OK) {
n_devices++;
}
}
iterator->Release();
probed = TRUE;
}
/* former device probe code, redux */
static void
gst_decklinksrc_list_devices (void)
{
IDeckLinkIterator *iterator;
IDeckLink *decklink;
int n_devices;
n_devices = 0;
iterator = CreateDeckLinkIteratorInstance ();
if (iterator) {
while (iterator->Next (&decklink) == S_OK) {
n_devices++;
}
}
iterator->Release();
g_print ("%d devices\n", n_devices);
}
QStringList BMDOutputDelegate::enumDeviceNames(bool forceReload)
{
if(!s_knownDevices.isEmpty())
{
if(!forceReload)
return s_knownDevices;
else
s_knownDevices.clear();
}
IDeckLinkIterator *deckLinkIterator = CreateDeckLinkIteratorInstance();
if (deckLinkIterator == NULL)
{
fprintf(stderr, "BMDCaptureDelegate::enumDeviceNames: A DeckLink iterator could not be created. The DeckLink drivers may not be installed.\n");
return QStringList();
}
IDeckLink *deckLink;
IDeckLinkInput *deckLinkOutput;
int index = 0;
// Enumerate all cards in this system
while (deckLinkIterator->Next(&deckLink) == S_OK)
{
if (deckLink->QueryInterface(IID_IDeckLinkOutput, (void**)&deckLinkOutput) == S_OK)
{
s_knownDevices << QString("bmd:%1").arg(index);
deckLinkOutput->Release();
deckLinkOutput = NULL;
}
index ++;
// Release the IDeckLink instance when we've finished with it to prevent leaks
deckLink->Release();
}
deckLinkIterator->Release();
return s_knownDevices;
}
int ff_decklink_list_devices(AVFormatContext *avctx)
{
IDeckLink *dl = NULL;
IDeckLinkIterator *iter = CreateDeckLinkIteratorInstance();
if (!iter) {
av_log(avctx, AV_LOG_ERROR, "Could not create DeckLink iterator\n");
return AVERROR(EIO);
}
av_log(avctx, AV_LOG_INFO, "Blackmagic DeckLink devices:\n");
while (iter->Next(&dl) == S_OK) {
const char *displayName;
ff_decklink_get_display_name(dl, &displayName);
av_log(avctx, AV_LOG_INFO, "\t'%s'\n", displayName);
av_free((void *) displayName);
dl->Release();
}
iter->Release();
return 0;
}
int ff_decklink_init_device(AVFormatContext *avctx, const char* name)
{
struct decklink_cctx *cctx = (struct decklink_cctx *)avctx->priv_data;
struct decklink_ctx *ctx = (struct decklink_ctx *)cctx->ctx;
IDeckLink *dl = NULL;
IDeckLinkIterator *iter = CreateDeckLinkIteratorInstance();
if (!iter) {
av_log(avctx, AV_LOG_ERROR, "Could not create DeckLink iterator\n");
return AVERROR_EXTERNAL;
}
while (iter->Next(&dl) == S_OK) {
const char *displayName;
ff_decklink_get_display_name(dl, &displayName);
if (!strcmp(name, displayName)) {
av_free((void *)displayName);
ctx->dl = dl;
break;
}
av_free((void *)displayName);
dl->Release();
}
iter->Release();
if (!ctx->dl)
return AVERROR(ENXIO);
if (ctx->dl->QueryInterface(IID_IDeckLinkConfiguration, (void **)&ctx->cfg) != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Could not get configuration interface for '%s'\n", name);
ff_decklink_cleanup(avctx);
return AVERROR_EXTERNAL;
}
if (ctx->dl->QueryInterface(IID_IDeckLinkAttributes, (void **)&ctx->attr) != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Could not get attributes interface for '%s'\n", name);
ff_decklink_cleanup(avctx);
return AVERROR_EXTERNAL;
}
return 0;
}
IDeckLink* BMDConfig::GetDeckLink(int idx)
{
HRESULT result;
IDeckLink* deckLink;
IDeckLinkIterator* deckLinkIterator = CreateDeckLinkIteratorInstance();
int i = idx;
while((result = deckLinkIterator->Next(&deckLink)) == S_OK)
{
if (i == 0)
break;
--i;
deckLink->Release();
}
deckLinkIterator->Release();
if (result != S_OK)
return NULL;
return deckLink;
}
IDeckLink *getFirstDeckLinkCard()
{
IDeckLink *deckLink = NULL;
IDeckLinkIterator *deckLinkIter = CreateDeckLinkIteratorInstance();
if (deckLinkIter)
{
// get the first decklink card
if (deckLinkIter->Next(&deckLink) != S_OK)
{
printf("Could not detect a DeckLink card\n");
}
deckLinkIter->Release();
}
else
{
printf("Could not enumerate DeckLink cards\n");
}
return deckLink;
}
BMDOutputDelegate *BMDOutputDelegate::openDevice(QString deviceName)
{
if(enumDeviceNames().indexOf(deviceName) < 0)
return 0;
QString name = deviceName.replace("bmd:","");
int cardNum = name.toInt();
IDeckLinkIterator *deckLinkIterator = CreateDeckLinkIteratorInstance();
if (deckLinkIterator == NULL)
{
qDebug() << "BMDOutputDelegate::openDevice: A DeckLink iterator could not be created. The DeckLink drivers may not be installed.";
return 0;
}
int index = 0;
IDeckLink* deckLink;
// Find the card requested
while (deckLinkIterator->Next(&deckLink) == S_OK)
{
if(index == cardNum)
return new BMDOutputDelegate(deckLink);
index ++;
// Release the IDeckLink instance when we've finished with it to prevent leaks
deckLink->Release();
}
deckLinkIterator->Release();
return 0;
}
void krad_decklink_capture_info () {
IDeckLink *deckLink;
IDeckLinkInput *deckLinkInput;
IDeckLinkIterator *deckLinkIterator;
IDeckLinkDisplayModeIterator *displayModeIterator;
IDeckLinkDisplayMode *displayMode;
HRESULT result;
int displayModeCount;
char *displayModeString;
displayModeString = NULL;
displayModeCount = 0;
deckLinkIterator = CreateDeckLinkIteratorInstance();
if (!deckLinkIterator) {
printke ("Krad Decklink: This application requires the DeckLink drivers installed.\n");
}
/* Connect to the first DeckLink instance */
result = deckLinkIterator->Next(&deckLink);
if (result != S_OK) {
printke ("Krad Decklink: No DeckLink PCI cards found.\n");
}
result = deckLink->QueryInterface(IID_IDeckLinkInput, (void**)&deckLinkInput);
if (result != S_OK) {
printke ("Krad Decklink: Fail QueryInterface\n");
}
result = deckLinkInput->GetDisplayModeIterator(&displayModeIterator);
if (result != S_OK) {
printke ("Krad Decklink: Could not obtain the video output display mode iterator - result = %08x\n", result);
}
while (displayModeIterator->Next(&displayMode) == S_OK) {
result = displayMode->GetName((const char **) &displayModeString);
if (result == S_OK) {
BMDTimeValue frameRateDuration, frameRateScale;
displayMode->GetFrameRate(&frameRateDuration, &frameRateScale);
printkd ("%2d: %-20s \t %li x %li \t %g FPS\n",
displayModeCount, displayModeString, displayMode->GetWidth(), displayMode->GetHeight(),
(double)frameRateScale / (double)frameRateDuration);
free (displayModeString);
displayModeCount++;
}
displayMode->Release();
}
if (displayModeIterator != NULL) {
displayModeIterator->Release();
displayModeIterator = NULL;
}
if (deckLinkInput != NULL) {
deckLinkInput->Release();
deckLinkInput = NULL;
}
if (deckLink != NULL) {
deckLink->Release();
deckLink = NULL;
}
if (deckLinkIterator != NULL) {
deckLinkIterator->Release();
}
}
int main(int argc, char *argv[])
{
IDeckLinkIterator *deckLinkIterator = CreateDeckLinkIteratorInstance();
DeckLinkCaptureDelegate *delegate;
BMDDisplayMode selectedDisplayMode = bmdModeNTSC;
int displayModeCount = 0;
int exitStatus = 1;
int aconnection = 0, vconnection = 0, camera = 0, i = 0;
int ch;
AVDictionary *opts = NULL;
BMDPixelFormat pix = bmdFormat8BitYUV;
HRESULT result;
pthread_t th;
pthread_mutex_init(&sleepMutex, NULL);
pthread_cond_init(&sleepCond, NULL);
av_register_all();
if (!deckLinkIterator) {
fprintf(stderr,
"This application requires the DeckLink drivers installed.\n");
goto bail;
}
// Parse command line options
while ((ch = getopt(argc, argv, "?hvc:s:f:a:m:n:p:M:F:C:A:V:o:")) != -1) {
switch (ch) {
case 'v':
g_verbose = true;
break;
case 'm':
g_videoModeIndex = atoi(optarg);
break;
case 'c':
g_audioChannels = atoi(optarg);
if (g_audioChannels != 2 &&
g_audioChannels != 8 &&
g_audioChannels != 16) {
fprintf(
stderr,
"Invalid argument: Audio Channels must be either 2, 8 or 16\n");
goto bail;
}
break;
case 's':
g_audioSampleDepth = atoi(optarg);
switch (g_audioSampleDepth) {
case 16:
sample_fmt = AV_SAMPLE_FMT_S16;
break;
case 32:
sample_fmt = AV_SAMPLE_FMT_S32;
break;
default:
fprintf(stderr,
"Invalid argument:"
" Audio Sample Depth must be either 16 bits"
" or 32 bits\n");
goto bail;
}
break;
case 'p':
switch (atoi(optarg)) {
case 8:
pix = bmdFormat8BitYUV;
pix_fmt = PIX_FMT_UYVY422;
break;
case 10:
pix = bmdFormat10BitYUV;
pix_fmt = PIX_FMT_YUV422P10;
break;
default:
fprintf(
stderr,
"Invalid argument: Pixel Format Depth must be either 8 bits or 10 bits\n");
goto bail;
}
break;
case 'f':
g_videoOutputFile = optarg;
break;
case 'n':
g_maxFrames = atoi(optarg);
break;
case 'M':
g_memoryLimit = atoi(optarg) * 1024 * 1024 * 1024L;
break;
case 'F':
fmt = av_guess_format(optarg, NULL, NULL);
break;
case 'A':
aconnection = atoi(optarg);
break;
case 'V':
vconnection = atoi(optarg);
break;
case 'C':
camera = atoi(optarg);
break;
case 'S':
serial_fd = open(optarg, O_RDWR | O_NONBLOCK);
break;
case 'o':
if (av_dict_parse_string(&opts, optarg, "=", ":", 0) < 0) {
fprintf(stderr, "Cannot parse option string %s\n",
optarg);
goto bail;
}
case '?':
case 'h':
usage(0);
}
}
/* Connect to the first DeckLink instance */
do
result = deckLinkIterator->Next(&deckLink);
while (i++ < camera);
if (result != S_OK) {
fprintf(stderr, "No DeckLink PCI cards found.\n");
goto bail;
}
if (deckLink->QueryInterface(IID_IDeckLinkInput,
(void **)&deckLinkInput) != S_OK) {
goto bail;
}
result = deckLink->QueryInterface(IID_IDeckLinkConfiguration,
(void **)&deckLinkConfiguration);
if (result != S_OK) {
fprintf(
stderr,
"Could not obtain the IDeckLinkConfiguration interface - result = %08x\n",
result);
goto bail;
}
result = S_OK;
switch (aconnection) {
case 1:
result = DECKLINK_SET_AUDIO_CONNECTION(bmdAudioConnectionAnalog);
break;
case 2:
result = DECKLINK_SET_AUDIO_CONNECTION(bmdAudioConnectionEmbedded);
break;
case 3:
result = DECKLINK_SET_AUDIO_CONNECTION(bmdAudioConnectionAESEBU);
break;
default:
// do not change it
break;
}
if (result != S_OK) {
fprintf(stderr, "Failed to set audio input - result = %08x\n", result);
goto bail;
}
result = S_OK;
switch (vconnection) {
case 1:
result = DECKLINK_SET_VIDEO_CONNECTION(bmdVideoConnectionComposite);
break;
case 2:
result = DECKLINK_SET_VIDEO_CONNECTION(bmdVideoConnectionComponent);
break;
case 3:
result = DECKLINK_SET_VIDEO_CONNECTION(bmdVideoConnectionHDMI);
break;
case 4:
result = DECKLINK_SET_VIDEO_CONNECTION(bmdVideoConnectionSDI);
break;
case 5:
result = DECKLINK_SET_VIDEO_CONNECTION(bmdVideoConnectionOpticalSDI);
break;
case 6:
result = DECKLINK_SET_VIDEO_CONNECTION(bmdVideoConnectionSVideo);
break;
default:
// do not change it
break;
}
if (result != S_OK) {
fprintf(stderr, "Failed to set video input - result %08x\n", result);
goto bail;
}
delegate = new DeckLinkCaptureDelegate();
deckLinkInput->SetCallback(delegate);
// Obtain an IDeckLinkDisplayModeIterator to enumerate the display modes supported on output
result = deckLinkInput->GetDisplayModeIterator(&displayModeIterator);
if (result != S_OK) {
fprintf(
stderr,
"Could not obtain the video output display mode iterator - result = %08x\n",
result);
goto bail;
}
if (!g_videoOutputFile) {
fprintf(stderr,
"Missing argument: Please specify output path using -f\n");
goto bail;
}
if (!fmt) {
fmt = av_guess_format(NULL, g_videoOutputFile, NULL);
if (!fmt) {
fprintf(
stderr,
"Unable to guess output format, please specify explicitly using -F\n");
goto bail;
}
}
if (g_videoModeIndex < 0) {
fprintf(stderr, "No video mode specified\n");
usage(0);
}
selectedDisplayMode = -1;
while (displayModeIterator->Next(&displayMode) == S_OK) {
if (g_videoModeIndex == displayModeCount) {
selectedDisplayMode = displayMode->GetDisplayMode();
break;
}
displayModeCount++;
displayMode->Release();
}
if (selectedDisplayMode < 0) {
fprintf(stderr, "Invalid mode %d specified\n", g_videoModeIndex);
goto bail;
}
result = deckLinkInput->EnableVideoInput(selectedDisplayMode, pix, 0);
if (result != S_OK) {
fprintf(stderr,
"Failed to enable video input. Is another application using "
"the card?\n");
goto bail;
}
result = deckLinkInput->EnableAudioInput(bmdAudioSampleRate48kHz,
g_audioSampleDepth,
g_audioChannels);
if (result != S_OK) {
fprintf(stderr,
"Failed to enable audio input. Is another application using "
"the card?\n");
goto bail;
}
oc = avformat_alloc_context();
oc->oformat = fmt;
snprintf(oc->filename, sizeof(oc->filename), "%s", g_videoOutputFile);
fmt->video_codec = (pix == bmdFormat8BitYUV ? AV_CODEC_ID_RAWVIDEO : AV_CODEC_ID_V210);
fmt->audio_codec = (sample_fmt == AV_SAMPLE_FMT_S16 ? AV_CODEC_ID_PCM_S16LE : AV_CODEC_ID_PCM_S32LE);
video_st = add_video_stream(oc, fmt->video_codec);
audio_st = add_audio_stream(oc, fmt->audio_codec);
if (serial_fd > 0)
data_st = add_data_stream(oc, AV_CODEC_ID_TEXT);
if (!(fmt->flags & AVFMT_NOFILE)) {
if (avio_open(&oc->pb, oc->filename, AVIO_FLAG_WRITE) < 0) {
fprintf(stderr, "Could not open '%s'\n", oc->filename);
exit(1);
}
}
avformat_write_header(oc, NULL);
avpacket_queue_init(&queue);
result = deckLinkInput->StartStreams();
if (result != S_OK) {
goto bail;
}
// All Okay.
exitStatus = 0;
if (pthread_create(&th, NULL, push_packet, oc))
goto bail;
// Block main thread until signal occurs
pthread_mutex_lock(&sleepMutex);
pthread_cond_wait(&sleepCond, &sleepMutex);
pthread_mutex_unlock(&sleepMutex);
deckLinkInput->StopStreams();
fprintf(stderr, "Stopping Capture\n");
avpacket_queue_end(&queue);
bail:
if (displayModeIterator != NULL) {
displayModeIterator->Release();
displayModeIterator = NULL;
}
if (deckLinkInput != NULL) {
deckLinkInput->Release();
deckLinkInput = NULL;
}
if (deckLink != NULL) {
deckLink->Release();
deckLink = NULL;
}
if (deckLinkIterator != NULL) {
deckLinkIterator->Release();
}
if (oc != NULL) {
av_write_trailer(oc);
if (!(fmt->flags & AVFMT_NOFILE)) {
/* close the output file */
avio_close(oc->pb);
}
}
return exitStatus;
}
int usage(int status)
{
HRESULT result;
IDeckLinkIterator *deckLinkIterator;
IDeckLink *deckLink;
int numDevices = 0;
// int displayModeCount = 0;
fprintf(stderr,
"Usage: bmdcapture -m <mode id> [OPTIONS]\n"
"\n"
" -m <mode id>:\n"
);
// Create an IDeckLinkIterator object to enumerate all DeckLink cards in the system
deckLinkIterator = CreateDeckLinkIteratorInstance();
if (deckLinkIterator == NULL) {
fprintf(
stderr,
"A DeckLink iterator could not be created. The DeckLink drivers may not be installed.\n");
return 1;
}
// Enumerate all cards in this system
while (deckLinkIterator->Next(&deckLink) == S_OK) {
BMDProbeString str;
// Increment the total number of DeckLink cards found
numDevices++;
if (numDevices > 1) {
printf("\n\n");
}
// *** Print the model name of the DeckLink card
result = deckLink->GetModelName(&str);
if (result == S_OK) {
printf("-> %s (-C %d )\n\n",
ToStr(str),
numDevices - 1);
FreeStr(str);
}
print_output_modes(deckLink);
// Release the IDeckLink instance when we've finished with it to prevent leaks
deckLink->Release();
}
deckLinkIterator->Release();
// If no DeckLink cards were found in the system, inform the user
if (numDevices == 0) {
printf("No Blackmagic Design devices were found.\n");
}
printf("\n");
/*
* if (displayModeIterator)
* {
* // we try to print out some useful information about the chosen
* // card, but this only works if a card has been selected successfully
*
* while (displayModeIterator->Next(&displayMode) == S_OK)
* {
* char * displayModeString = NULL;
*
* result = displayMode->GetName((const char **) &displayModeString);
* if (result == S_OK)
* {
* BMDTimeValue frameRateDuration, frameRateScale;
* displayMode->GetFrameRate(&frameRateDuration, &frameRateScale);
* fprintf(stderr, " %2d: %-20s \t %li x %li \t %g FPS\n",
* displayModeCount, displayModeString, displayMode->GetWidth(), displayMode->GetHeight(), (double)frameRateScale / (double)frameRateDuration);
* free(displayModeString);
* displayModeCount++;
* }
*
* // Release the IDeckLinkDisplayMode object to prevent a leak
* displayMode->Release();
* }
* }
*/
fprintf(
stderr,
" -v Be verbose (report each 25 frames)\n"
" -f <filename> Filename raw video will be written to\n"
" -F <format> Define the file format to be used\n"
" -c <channels> Audio Channels (2, 8 or 16 - default is 2)\n"
" -s <depth> Audio Sample Depth (16 or 32 - default is 16)\n"
" -p <pixel> PixelFormat Depth (8 or 10 - default is 8)\n"
" -n <frames> Number of frames to capture (default is unlimited)\n"
" -M <memlimit> Maximum queue size in GB (default is 1 GB)\n"
" -C <num> number of card to be used\n"
" -S <serial_device> data input serial\n"
" -A <audio-in> Audio input:\n"
" 1: Analog (RCA or XLR)\n"
" 2: Embedded Audio (HDMI/SDI)\n"
" 3: Digital Audio (AES/EBU)\n"
" -V <video-in> Video input:\n"
" 1: Composite\n"
" 2: Component\n"
" 3: HDMI\n"
" 4: SDI\n"
" 5: Optical SDI\n"
" 6: S-Video\n"
" -o <optionstring> AVFormat options\n"
"Capture video and audio to a file. Raw video and audio can be sent to a pipe to avconv or vlc e.g.:\n"
"\n"
" bmdcapture -m 2 -A 1 -V 1 -F nut -f pipe:1\n\n\n"
);
exit(status);
}
bool OpenGLComposite::InitDeckLink()
{
bool bSuccess = false;
IDeckLinkIterator* pDLIterator = NULL;
IDeckLink* pDL = NULL;
IDeckLinkDisplayModeIterator* pDLDisplayModeIterator = NULL;
IDeckLinkDisplayMode* pDLDisplayMode = NULL;
BMDDisplayMode displayMode = bmdModeHD1080i5994; // mode to use for capture and playout
float fps;
HRESULT result;
result = CoCreateInstance(CLSID_CDeckLinkIterator, NULL, CLSCTX_ALL, IID_IDeckLinkIterator, (void**)&pDLIterator);
if (FAILED(result))
{
MessageBox(NULL, _T("Please install the Blackmagic DeckLink drivers to use the features of this application."), _T("This application requires the DeckLink drivers installed."), MB_OK);
return false;
}
while (pDLIterator->Next(&pDL) == S_OK)
{
// Use first board found as capture device, second board will be playout device
if (! mDLInput)
{
if (pDL->QueryInterface(IID_IDeckLinkInput, (void**)&mDLInput) != S_OK)
goto error;
}
else if (! mDLOutput)
{
if (pDL->QueryInterface(IID_IDeckLinkOutput, (void**)&mDLOutput) != S_OK)
goto error;
}
}
if (! mDLOutput || ! mDLInput)
{
MessageBox(NULL, _T("Expected both Input and Output DeckLink devices"), _T("This application requires two DeckLink devices."), MB_OK);
goto error;
}
if (mDLOutput->GetDisplayModeIterator(&pDLDisplayModeIterator) != S_OK)
{
MessageBox(NULL, _T("Cannot get Display Mode Iterator."), _T("DeckLink error."), MB_OK);
goto error;
}
while (pDLDisplayModeIterator->Next(&pDLDisplayMode) == S_OK)
{
if (pDLDisplayMode->GetDisplayMode() == displayMode)
break;
pDLDisplayMode->Release();
pDLDisplayMode = NULL;
}
pDLDisplayModeIterator->Release();
if (pDLDisplayMode == NULL)
{
MessageBox(NULL, _T("Cannot get specified BMDDisplayMode."), _T("DeckLink error."), MB_OK);
goto error;
}
mFrameWidth = pDLDisplayMode->GetWidth();
mFrameHeight = pDLDisplayMode->GetHeight();
if (! CheckOpenGLExtensions())
goto error;
if (! InitOpenGLState())
goto error;
// Compute a rotate angle rate so box will spin at a rate independent of video mode frame rate
pDLDisplayMode->GetFrameRate(&mFrameDuration, &mFrameTimescale);
fps = (float)mFrameTimescale / (float)mFrameDuration;
mRotateAngleRate = 35.0f / fps; // rotate box through 35 degrees every second
// Resize window to match video frame, but scale large formats down by half for viewing
if (mFrameWidth < 1920)
resizeWindow(mFrameWidth, mFrameHeight);
else
resizeWindow(mFrameWidth / 2, mFrameHeight / 2);
if (mFastTransferExtensionAvailable)
{
// Initialize fast video frame transfers
if (! VideoFrameTransfer::initialize(mFrameWidth, mFrameHeight, mCaptureTexture, mFBOTexture))
{
MessageBox(NULL, _T("Cannot initialize video transfers."), _T("VideoFrameTransfer error."), MB_OK);
goto error;
}
}
// Capture will use a user-supplied frame memory allocator
mCaptureAllocator = new PinnedMemoryAllocator(hGLDC, hGLRC, VideoFrameTransfer::CPUtoGPU, 3);
if (mDLInput->SetVideoInputFrameMemoryAllocator(mCaptureAllocator) != S_OK)
goto error;
if (mDLInput->EnableVideoInput(displayMode, bmdFormat8BitYUV, bmdVideoInputFlagDefault) != S_OK)
goto error;
mCaptureDelegate = new CaptureDelegate(this);
if (mDLInput->SetCallback(mCaptureDelegate) != S_OK)
goto error;
// Playout will use a user-supplied frame memory allocator
mPlayoutAllocator = new PinnedMemoryAllocator(hGLDC, hGLRC, VideoFrameTransfer::GPUtoCPU, 1);
if (mDLOutput->SetVideoOutputFrameMemoryAllocator(mPlayoutAllocator) != S_OK)
goto error;
if (mDLOutput->EnableVideoOutput(displayMode, bmdVideoOutputFlagDefault) != S_OK)
goto error;
// Create a queue of 10 IDeckLinkMutableVideoFrame objects to use for scheduling output video frames.
// The ScheduledFrameCompleted() callback will immediately schedule a new frame using the next video frame from this queue.
for (int i = 0; i < 10; i++)
{
// The frame read back from the GPU frame buffer and used for the playout video frame is in BGRA format.
// The BGRA frame will be converted on playout to YCbCr either in hardware on most DeckLink cards or in software
// within the DeckLink API for DeckLink devices without this hardware conversion.
// If you want RGB 4:4:4 format to be played out "over the wire" in SDI, turn on the "Use 4:4:4 SDI" in the control
// panel or turn on the bmdDeckLinkConfig444SDIVideoOutput flag using the IDeckLinkConfiguration interface.
IDeckLinkMutableVideoFrame* outputFrame;
if (mDLOutput->CreateVideoFrame(mFrameWidth, mFrameHeight, mFrameWidth*4, bmdFormat8BitBGRA, bmdFrameFlagFlipVertical, &outputFrame) != S_OK)
goto error;
mDLOutputVideoFrameQueue.push_back(outputFrame);
}
mPlayoutDelegate = new PlayoutDelegate(this);
if (mPlayoutDelegate == NULL)
goto error;
if (mDLOutput->SetScheduledFrameCompletionCallback(mPlayoutDelegate) != S_OK)
goto error;
bSuccess = true;
error:
if (!bSuccess)
{
if (mDLInput != NULL)
{
mDLInput->Release();
mDLInput = NULL;
}
if (mDLOutput != NULL)
{
mDLOutput->Release();
mDLOutput = NULL;
}
}
if (pDL != NULL)
{
pDL->Release();
pDL = NULL;
}
if (pDLIterator != NULL)
{
pDLIterator->Release();
pDLIterator = NULL;
}
return bSuccess;
}
int main(int argc, char *argv[])
{
IDeckLinkIterator *deckLinkIterator = CreateDeckLinkIteratorInstance();
DeckLinkCaptureDelegate *delegate;
BMDDisplayMode selectedDisplayMode = bmdModeNTSC;
int displayModeCount = 0;
int exitStatus = 1;
int connection = 0, camera = 0, i=0;
int ch;
HRESULT result;
pthread_mutex_init(&sleepMutex, NULL);
pthread_cond_init(&sleepCond, NULL);
av_register_all();
if (!deckLinkIterator)
{
fprintf(stderr, "This application requires the DeckLink drivers installed.\n");
goto bail;
}
// Parse command line options
while ((ch = getopt(argc, argv, "?hc:s:f:a:m:n:F:C:I:")) != -1)
{
switch (ch)
{
case 'm':
g_videoModeIndex = atoi(optarg);
break;
case 'c':
g_audioChannels = atoi(optarg);
if (g_audioChannels != 2 &&
g_audioChannels != 8 &&
g_audioChannels != 16)
{
fprintf(stderr, "Invalid argument: Audio Channels must be either 2, 8 or 16\n");
goto bail;
}
break;
case 's':
g_audioSampleDepth = atoi(optarg);
if (g_audioSampleDepth != 16 && g_audioSampleDepth != 32)
{
fprintf(stderr, "Invalid argument: Audio Sample Depth must be either 16 bits or 32 bits\n");
goto bail;
}
break;
case 'f':
g_videoOutputFile = optarg;
break;
case 'n':
g_maxFrames = atoi(optarg);
break;
case 'F':
fmt = av_guess_format(optarg, NULL, NULL);
break;
case 'I':
connection = atoi(optarg);
break;
case 'C':
camera = atoi(optarg);
break;
case '?':
case 'h':
usage(0);
}
}
/* Connect to the first DeckLink instance */
do {
result = deckLinkIterator->Next(&deckLink);
} while(i++<camera);
if (result != S_OK)
{
fprintf(stderr, "No DeckLink PCI cards found.\n");
goto bail;
}
if (deckLink->QueryInterface(IID_IDeckLinkInput, (void**)&deckLinkInput) != S_OK)
goto bail;
result = deckLink->QueryInterface(IID_IDeckLinkConfiguration, (void**)&deckLinkConfiguration);
if (result != S_OK)
{
fprintf(stderr, "Could not obtain the IDeckLinkConfiguration interface - result = %08x\n", result);
goto bail;
}
//XXX make it generic
if (connection == 1) { // video compuesto + audio analogico
deckLinkConfiguration->SetInt(bmdDeckLinkConfigVideoInputConnection,
bmdVideoConnectionComposite);
deckLinkConfiguration->SetInt(bmdDeckLinkConfigAudioInputConnection,
bmdAudioConnectionAnalog);
}else if (connection == 2) { // video componentes + audio analogico
deckLinkConfiguration->SetInt(bmdDeckLinkConfigVideoInputConnection,
bmdVideoConnectionComponent);
deckLinkConfiguration->SetInt(bmdDeckLinkConfigAudioInputConnection,
bmdAudioConnectionAnalog);
}else if (connection == 3) { // HDMI video + audio
deckLinkConfiguration->SetInt(bmdDeckLinkConfigVideoInputConnection,
bmdVideoConnectionHDMI);
deckLinkConfiguration->SetInt(bmdDeckLinkConfigAudioInputConnection,
bmdAudioConnectionEmbedded);
}else if (connection == 4) { // SDI video + audio
deckLinkConfiguration->SetInt(bmdDeckLinkConfigVideoInputConnection,
bmdVideoConnectionSDI);
deckLinkConfiguration->SetInt(bmdDeckLinkConfigAudioInputConnection,
bmdAudioConnectionEmbedded);
}
delegate = new DeckLinkCaptureDelegate();
deckLinkInput->SetCallback(delegate);
// Obtain an IDeckLinkDisplayModeIterator to enumerate the display modes supported on output
result = deckLinkInput->GetDisplayModeIterator(&displayModeIterator);
if (result != S_OK)
{
fprintf(stderr, "Could not obtain the video output display mode iterator - result = %08x\n", result);
goto bail;
}
if (!fmt)
fmt = av_guess_format(NULL, g_videoOutputFile, NULL);
if (g_videoModeIndex < 0)
{
fprintf(stderr, "No video mode specified\n");
usage(0);
}
selectedDisplayMode = -1;
while (displayModeIterator->Next(&displayMode) == S_OK)
{
if (g_videoModeIndex == displayModeCount)
{
selectedDisplayMode = displayMode->GetDisplayMode();
break;
}
displayModeCount++;
displayMode->Release();
}
oc = avformat_alloc_context();
oc->oformat = fmt;
snprintf(oc->filename, sizeof(oc->filename), "%s", g_videoOutputFile);
fmt->video_codec = CODEC_ID_RAWVIDEO;
fmt->audio_codec = CODEC_ID_PCM_S16LE;
video_st = add_video_stream(oc, fmt->video_codec);
audio_st = add_audio_stream(oc, fmt->audio_codec);
av_set_parameters(oc, NULL);
if (!(fmt->flags & AVFMT_NOFILE)) {
if (url_fopen(&oc->pb, oc->filename, URL_WRONLY) < 0) {
fprintf(stderr, "Could not open '%s'\n", oc->filename);
exit(1);
}
}
if (selectedDisplayMode < 0)
{
fprintf(stderr, "Invalid mode %d specified\n", g_videoModeIndex);
goto bail;
}
result = deckLinkInput->EnableVideoInput(selectedDisplayMode, bmdFormat8BitYUV, 0);
if(result != S_OK)
{
fprintf(stderr, "Failed to enable video input. Is another application using the card?\n");
goto bail;
}
result = deckLinkInput->EnableAudioInput(bmdAudioSampleRate48kHz, g_audioSampleDepth, g_audioChannels);
if(result != S_OK)
{
goto bail;
}
av_write_header(oc);
result = deckLinkInput->StartStreams();
if(result != S_OK)
{
goto bail;
}
// All Okay.
exitStatus = 0;
// Block main thread until signal occurs
pthread_mutex_lock(&sleepMutex);
pthread_cond_wait(&sleepCond, &sleepMutex);
pthread_mutex_unlock(&sleepMutex);
fprintf(stderr, "Stopping Capture\n");
bail:
if (displayModeIterator != NULL)
{
displayModeIterator->Release();
displayModeIterator = NULL;
}
if (deckLinkInput != NULL)
{
deckLinkInput->Release();
deckLinkInput = NULL;
}
if (deckLink != NULL)
{
deckLink->Release();
deckLink = NULL;
}
if (deckLinkIterator != NULL)
deckLinkIterator->Release();
if (oc != NULL)
{
av_write_trailer(oc);
if (!(fmt->flags & AVFMT_NOFILE)) {
/* close the output file */
url_fclose(oc->pb);
}
}
return exitStatus;
}
static gpointer
init_devices (gpointer data)
{
IDeckLinkIterator *iterator;
IDeckLink *decklink = NULL;
HRESULT ret;
int i;
#ifdef _MSC_VER
// Start COM thread for Windows
g_mutex_lock (&com_init_lock);
/* create the COM initialization thread */
g_thread_create ((GThreadFunc) gst_decklink_com_thread, NULL, FALSE, NULL);
/* wait until the COM thread signals that COM has been initialized */
g_cond_wait (&com_init_cond, &com_init_lock);
g_mutex_unlock (&com_init_lock);
#endif /* _MSC_VER */
iterator = CreateDeckLinkIteratorInstance ();
if (iterator == NULL) {
GST_ERROR ("no driver");
return NULL;
}
i = 0;
ret = iterator->Next (&decklink);
while (ret == S_OK) {
ret = decklink->QueryInterface (IID_IDeckLinkInput,
(void **) &devices[i].input.input);
if (ret != S_OK) {
GST_WARNING ("selected device does not have input interface");
} else {
devices[i].input.device = decklink;
devices[i].input.clock = gst_decklink_clock_new ("GstDecklinkInputClock");
GST_DECKLINK_CLOCK_CAST (devices[i].input.clock)->input =
&devices[i].input;
devices[i].input.
input->SetCallback (new GStreamerDecklinkInputCallback (&devices[i].
input));
}
ret = decklink->QueryInterface (IID_IDeckLinkOutput,
(void **) &devices[i].output.output);
if (ret != S_OK) {
GST_WARNING ("selected device does not have output interface");
} else {
devices[i].output.device = decklink;
devices[i].output.clock =
gst_decklink_clock_new ("GstDecklinkOutputClock");
GST_DECKLINK_CLOCK_CAST (devices[i].output.clock)->output =
&devices[i].output;
}
ret = decklink->QueryInterface (IID_IDeckLinkConfiguration,
(void **) &devices[i].input.config);
if (ret != S_OK) {
GST_WARNING ("selected device does not have config interface");
}
ret = decklink->QueryInterface (IID_IDeckLinkAttributes,
(void **) &devices[i].input.attributes);
if (ret != S_OK) {
GST_WARNING ("selected device does not have attributes interface");
}
ret = iterator->Next (&decklink);
i++;
if (i == 10) {
GST_WARNING ("this hardware has more then 10 devices");
break;
}
}
n_devices = i;
iterator->Release ();
return NULL;
}
void SignalGenerator::setup()
{
IDeckLinkIterator* deckLinkIterator = NULL;
bool success = false;
// **** Find a DeckLink instance and obtain video output interface
deckLinkIterator = CreateDeckLinkIteratorInstance();
if (deckLinkIterator == NULL)
{
QMessageBox::critical(this, "This application requires the DeckLink drivers installed.", "Please install the Blackmagic DeckLink drivers to use the features of this application.");
goto bail;
}
// Connect to the first DeckLink instance
if (deckLinkIterator->Next(&deckLink) != S_OK)
{
QMessageBox::critical(this, "This application requires a DeckLink PCI card.", "You will not be able to use the features of this application until a DeckLink PCI card is installed.");
goto bail;
}
// Obtain the audio/video output interface (IDeckLinkOutput)
if (deckLink->QueryInterface(IID_IDeckLinkOutput, (void**)&deckLinkOutput) != S_OK)
goto bail;
// Create a delegate class to allow the DeckLink API to call into our code
playerDelegate = new PlaybackDelegate(this, deckLinkOutput);
if (playerDelegate == NULL)
goto bail;
// Provide the delegate to the audio and video output interfaces
deckLinkOutput->SetScheduledFrameCompletionCallback(playerDelegate);
deckLinkOutput->SetAudioCallback(playerDelegate);
// Populate the display mode menu with a list of display modes supported by the installed DeckLink card
IDeckLinkDisplayModeIterator* displayModeIterator;
IDeckLinkDisplayMode* deckLinkDisplayMode;
ui->videoFormatPopup->clear();
if (deckLinkOutput->GetDisplayModeIterator(&displayModeIterator) != S_OK)
goto bail;
while (displayModeIterator->Next(&deckLinkDisplayMode) == S_OK)
{
const char * modeName;
if (deckLinkDisplayMode->GetName(&modeName) == S_OK)
{
ui->videoFormatPopup->addItem(modeName, QVariant::fromValue((void *)deckLinkDisplayMode));
}
}
displayModeIterator->Release();
enableInterface(true);
deckLinkOutput->SetScreenPreviewCallback(previewView);
success = true;
bail:
if (success == false)
{
// Release any resources that were partially allocated
if (deckLinkOutput != NULL)
{
deckLinkOutput->Release();
deckLinkOutput = NULL;
}
//
if (deckLink != NULL)
{
deckLink->Release();
deckLink = NULL;
}
// Disable the user interface if we could not succsssfully connect to a DeckLink device
ui->startButton->setEnabled(false);
enableInterface(false);
}
if (deckLinkIterator != NULL)
deckLinkIterator->Release();
}
av_cold int ff_decklink_read_header(AVFormatContext *avctx)
{
struct decklink_cctx *cctx = (struct decklink_cctx *) avctx->priv_data;
struct decklink_ctx *ctx;
IDeckLinkDisplayModeIterator *itermode;
IDeckLinkIterator *iter;
IDeckLink *dl = NULL;
AVStream *st;
HRESULT result;
char fname[1024];
char *tmp;
int mode_num = 0;
ctx = (struct decklink_ctx *) av_mallocz(sizeof(struct decklink_ctx));
if (!ctx)
return AVERROR(ENOMEM);
ctx->list_devices = cctx->list_devices;
ctx->list_formats = cctx->list_formats;
ctx->preroll = cctx->preroll;
cctx->ctx = ctx;
iter = CreateDeckLinkIteratorInstance();
if (!iter) {
av_log(avctx, AV_LOG_ERROR, "Could not create DeckLink iterator\n");
return AVERROR(EIO);
}
/* List available devices. */
if (ctx->list_devices) {
ff_decklink_list_devices(avctx);
return AVERROR_EXIT;
}
strcpy (fname, avctx->filename);
tmp=strchr (fname, '@');
if (tmp != NULL) {
mode_num = atoi (tmp+1);
*tmp = 0;
}
/* Open device. */
while (iter->Next(&dl) == S_OK) {
const char *displayName;
ff_decklink_get_display_name(dl, &displayName);
if (!strcmp(fname, displayName)) {
av_free((void *) displayName);
ctx->dl = dl;
break;
}
av_free((void *) displayName);
dl->Release();
}
iter->Release();
if (!ctx->dl) {
av_log(avctx, AV_LOG_ERROR, "Could not open '%s'\n", fname);
return AVERROR(EIO);
}
/* Get input device. */
if (ctx->dl->QueryInterface(IID_IDeckLinkInput, (void **) &ctx->dli) != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Could not open output device from '%s'\n",
avctx->filename);
ctx->dl->Release();
return AVERROR(EIO);
}
/* List supported formats. */
if (ctx->list_formats) {
ff_decklink_list_formats(avctx, DIRECTION_IN);
ctx->dli->Release();
ctx->dl->Release();
return AVERROR_EXIT;
}
if (ctx->dli->GetDisplayModeIterator(&itermode) != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Could not get Display Mode Iterator\n");
ctx->dl->Release();
return AVERROR(EIO);
}
if (mode_num > 0) {
if (ff_decklink_set_format(avctx, DIRECTION_IN, mode_num) < 0) {
av_log(avctx, AV_LOG_ERROR, "Could not set mode %d for %s\n", mode_num, fname);
goto error;
}
}
itermode->Release();
/* Setup streams. */
st = avformat_new_stream(avctx, NULL);
if (!st) {
av_log(avctx, AV_LOG_ERROR, "Cannot add stream\n");
goto error;
}
st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
st->codec->codec_id = AV_CODEC_ID_PCM_S16LE;
st->codec->sample_rate = bmdAudioSampleRate48kHz;
st->codec->channels = 2;
avpriv_set_pts_info(st, 64, 1, 1000000); /* 64 bits pts in us */
ctx->audio_st=st;
st = avformat_new_stream(avctx, NULL);
if (!st) {
av_log(avctx, AV_LOG_ERROR, "Cannot add stream\n");
goto error;
}
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
st->codec->codec_id = AV_CODEC_ID_RAWVIDEO;
st->codec->width = ctx->bmd_width;
st->codec->height = ctx->bmd_height;
st->codec->pix_fmt = AV_PIX_FMT_UYVY422;
st->codec->time_base.den = ctx->bmd_tb_den;
st->codec->time_base.num = ctx->bmd_tb_num;
st->codec->bit_rate = avpicture_get_size(st->codec->pix_fmt, ctx->bmd_width, ctx->bmd_height) * 1/av_q2d(st->codec->time_base) * 8;
st->codec->codec_tag = MKTAG('U', 'Y', 'V', 'Y');
avpriv_set_pts_info(st, 64, 1, 1000000); /* 64 bits pts in us */
ctx->video_st=st;
result = ctx->dli->EnableAudioInput(bmdAudioSampleRate48kHz, bmdAudioSampleType16bitInteger, 2);
if (result != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Cannot enable audio input\n");
goto error;
}
result = ctx->dli->EnableVideoInput(ctx->bmd_mode, bmdFormat8BitYUV, bmdVideoInputFlagDefault);
if (result != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Cannot enable video input\n");
goto error;
}
avpacket_queue_init (avctx, &ctx->queue);
if (decklink_start_input (avctx) != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Cannot start input stream\n");
goto error;
}
return 0;
error:
ctx->dli->Release();
ctx->dl->Release();
return AVERROR(EIO);
}
bool Player::Init(int videomode, int connection, int camera)
{
// Initialize the DeckLink API
IDeckLinkIterator *deckLinkIterator = CreateDeckLinkIteratorInstance();
HRESULT result;
int i = 0;
if (!deckLinkIterator) {
fprintf(stderr,
"This application requires the DeckLink drivers installed.\n");
goto bail;
}
m_audioSampleDepth =
av_get_exact_bits_per_sample(audio_st->codec->codec_id);
switch (audio_st->codec->channels) {
case 2:
case 8:
case 16:
break;
default:
fprintf(stderr,
"%d channels not supported, please use 2, 8 or 16\n",
audio_st->codec->channels);
goto bail;
}
switch (m_audioSampleDepth) {
case 16:
case 32:
break;
default:
fprintf(stderr, "%dbit audio not supported use 16bit or 32bit\n",
m_audioSampleDepth);
}
do
result = deckLinkIterator->Next(&m_deckLink);
while (i++ < camera);
if (result != S_OK) {
fprintf(stderr, "No DeckLink PCI cards found\n");
goto bail;
}
// Obtain the audio/video output interface (IDeckLinkOutput)
if (m_deckLink->QueryInterface(IID_IDeckLinkOutput,
(void **)&m_deckLinkOutput) != S_OK)
goto bail;
result = m_deckLink->QueryInterface(IID_IDeckLinkConfiguration,
(void **)&deckLinkConfiguration);
if (result != S_OK) {
fprintf(
stderr,
"Could not obtain the IDeckLinkConfiguration interface - result = %08x\n",
result);
goto bail;
}
//XXX make it generic
switch (connection) {
case 1:
DECKLINK_SET_VIDEO_CONNECTION(bmdVideoConnectionComposite);
DECKLINK_SET_AUDIO_CONNECTION(bmdAudioConnectionAnalog);
break;
case 2:
DECKLINK_SET_VIDEO_CONNECTION(bmdVideoConnectionComponent);
DECKLINK_SET_AUDIO_CONNECTION(bmdAudioConnectionAnalog);
break;
case 3:
DECKLINK_SET_VIDEO_CONNECTION(bmdVideoConnectionHDMI);
DECKLINK_SET_AUDIO_CONNECTION(bmdAudioConnectionEmbedded);
break;
case 4:
DECKLINK_SET_VIDEO_CONNECTION(bmdVideoConnectionSDI);
DECKLINK_SET_AUDIO_CONNECTION(bmdAudioConnectionEmbedded);
break;
default:
// do not change it
break;
}
// Provide this class as a delegate to the audio and video output interfaces
m_deckLinkOutput->SetScheduledFrameCompletionCallback(this);
m_deckLinkOutput->SetAudioCallback(this);
avframe = avcodec_alloc_frame();
packet_queue_init(&audioqueue);
packet_queue_init(&videoqueue);
packet_queue_init(&dataqueue);
pthread_t th;
pthread_create(&th, NULL, fill_queues, NULL);
usleep(buffer); // You can add the microseconds you need for pre-buffering before start playing
// Start playing
StartRunning(videomode);
pthread_mutex_lock(&sleepMutex);
pthread_cond_wait(&sleepCond, &sleepMutex);
pthread_mutex_unlock(&sleepMutex);
fill_me = 0;
fprintf(stderr, "Exiting, cleaning up\n");
packet_queue_end(&audioqueue);
packet_queue_end(&videoqueue);
bail:
if (m_running == true) {
StopRunning();
} else {
// Release any resources that were partially allocated
if (m_deckLinkOutput != NULL) {
m_deckLinkOutput->Release();
m_deckLinkOutput = NULL;
}
//
if (m_deckLink != NULL) {
m_deckLink->Release();
m_deckLink = NULL;
}
}
if (deckLinkIterator != NULL)
deckLinkIterator->Release();
return true;
}
void krad_decklink_cpp_get_device_name (int device_num, char *device_name) {
IDeckLinkIterator *deckLinkIterator;
IDeckLink *deckLink;
int device_count;
HRESULT result;
#ifdef IS_LINUX
char *device_name_temp;
#endif
#ifdef IS_MACOSX
CFStringRef device_name_temp;
#endif
device_name_temp = NULL;
device_count = 0;
deckLinkIterator = CreateDeckLinkIteratorInstance();
if (deckLinkIterator == NULL) {
printke ("krad_decklink_detect_devices: The DeckLink drivers may not be installed.");
return;
}
while (deckLinkIterator->Next(&deckLink) == S_OK) {
if (device_count == device_num) {
#ifdef IS_LINUX
result = deckLink->GetModelName((const char **) &device_name_temp);
if (result == S_OK) {
strcpy(device_name, device_name_temp);
free(device_name_temp);
#endif
#ifdef IS_MACOSX
result = deckLink->GetModelName(&device_name_temp);
if (result == S_OK) {
CFStringGetCString(device_name_temp, device_name, 64, kCFStringEncodingMacRoman);
CFRelease(device_name_temp);
#endif
} else {
strcpy(device_name, "Unknown Error in GetModelName");
}
deckLink->Release();
deckLinkIterator->Release();
return;
}
device_count++;
deckLink->Release();
}
deckLinkIterator->Release();
sprintf(device_name, "Could not get a device name for device %d", device_num);
return;
}
}
int usage(int status)
{
HRESULT result;
IDeckLinkIterator *deckLinkIterator;
IDeckLink *deckLink;
int numDevices = 0;
fprintf(stderr,
"Usage: bmdplay -m <mode id> [OPTIONS]\n"
"\n"
" -m <mode id>:\n"
);
// Create an IDeckLinkIterator object to enumerate all DeckLink cards in the system
deckLinkIterator = CreateDeckLinkIteratorInstance();
if (deckLinkIterator == NULL) {
fprintf(
stderr,
"A DeckLink iterator could not be created. The DeckLink drivers may not be installed.\n");
return 1;
}
// Enumerate all cards in this system
while (deckLinkIterator->Next(&deckLink) == S_OK) {
BMDProbeString str;
// Increment the total number of DeckLink cards found
numDevices++;
if (numDevices > 1)
printf("\n\n");
// *** Print the model name of the DeckLink card
result = deckLink->GetModelName(&str);
if (result == S_OK) {
printf("-> %s (-C %d )\n\n",
ToStr(str),
numDevices - 1);
FreeStr(str);
}
print_output_modes(deckLink);
// Release the IDeckLink instance when we've finished with it to prevent leaks
deckLink->Release();
}
deckLinkIterator->Release();
// If no DeckLink cards were found in the system, inform the user
if (numDevices == 0)
printf("No Blackmagic Design devices were found.\n");
printf("\n");
fprintf(
stderr,
" -f <filename> Filename raw video will be written to\n"
" -C <num> Card number to be used\n"
" -b <num> Milliseconds of pre-buffering before playback (default = 2000 ms)\n"
" -p <pixel> PixelFormat Depth (8 or 10 - default is 8)\n"
" -O <output> Output connection:\n"
" 1: Composite video + analog audio\n"
" 2: Components video + analog audio\n"
" 3: HDMI video + audio\n"
" 4: SDI video + audio\n\n");
return status;
}
int main(int argc, char *argv[]) {
HRESULT result;
int exitStatus = 1;
int idx;
IDeckLinkIterator* deckLinkIterator = NULL;
IDeckLink* deckLink = NULL;
IDeckLinkAttributes* deckLinkAttributes = NULL;
bool formatDetectionSupported;
IDeckLinkDisplayModeIterator* displayModeIterator = NULL;
IDeckLinkDisplayMode* displayMode = NULL;
char* displayModeName = NULL;
BMDDisplayModeSupport displayModeSupported;
DeckLinkCaptureDelegate* delegate = NULL;
pthread_mutex_init(&g_sleepMutex, NULL);
pthread_cond_init(&g_sleepCond, NULL);
signal(SIGINT, sigfunc);
signal(SIGTERM, sigfunc);
signal(SIGHUP, sigfunc);
// Network
g_video_sock = socket(AF_INET, SOCK_STREAM, 0);
g_video_addr.sin_family = AF_INET;
g_video_addr.sin_port = htons(62310);
g_video_addr.sin_addr.s_addr = inet_addr("192.168.100.31");
connect(g_video_sock, (struct sockaddr *)&g_video_addr, sizeof(g_video_addr));
g_audio_sock = socket(AF_INET, SOCK_STREAM, 0);
g_audio_addr.sin_family = AF_INET;
g_audio_addr.sin_port = htons(62311);
g_audio_addr.sin_addr.s_addr = inet_addr("192.168.100.31");
connect(g_audio_sock, (struct sockaddr *)&g_audio_addr, sizeof(g_audio_addr));
// Process the command line arguments
if (!g_config.ParseArguments(argc, argv)) {
g_config.DisplayUsage(exitStatus);
goto bail;
}
// Get the DeckLink device
deckLinkIterator = CreateDeckLinkIteratorInstance();
if (!deckLinkIterator) {
fprintf(stderr, "This application requires the DeckLink drivers installed.\n");
goto bail;
}
idx = g_config.m_deckLinkIndex;
while ((result = deckLinkIterator->Next(&deckLink)) == S_OK) {
if (idx == 0)
break;
--idx;
deckLink->Release();
}
if (result != S_OK || deckLink == NULL) {
fprintf(stderr, "Unable to get DeckLink device %u\n", g_config.m_deckLinkIndex);
goto bail;
}
// Get the input (capture) interface of the DeckLink device
result = deckLink->QueryInterface(IID_IDeckLinkInput, (void**)&g_deckLinkInput);
if (result != S_OK)
goto bail;
// Get the display mode
if (g_config.m_displayModeIndex == -1) {
// Check the card supports format detection
result = deckLink->QueryInterface(IID_IDeckLinkAttributes, (void**)&deckLinkAttributes);
if (result == S_OK) {
result = deckLinkAttributes->GetFlag(BMDDeckLinkSupportsInputFormatDetection, &formatDetectionSupported);
if (result != S_OK || !formatDetectionSupported) {
fprintf(stderr, "Format detection is not supported on this device\n");
goto bail;
}
}
g_config.m_inputFlags |= bmdVideoInputEnableFormatDetection;
// Format detection still needs a valid mode to start with
idx = 0;
} else {
idx = g_config.m_displayModeIndex;
}
result = g_deckLinkInput->GetDisplayModeIterator(&displayModeIterator);
if (result != S_OK) {
goto bail;
}
while ((result = displayModeIterator->Next(&displayMode)) == S_OK) {
if (idx == 0) {
break;
}
--idx;
displayMode->Release();
}
if (result != S_OK || displayMode == NULL) {
fprintf(stderr, "Unable to get display mode %d\n", g_config.m_displayModeIndex);
goto bail;
}
// Get display mode name
result = displayMode->GetName((const char**)&displayModeName);
if (result != S_OK) {
displayModeName = (char *)malloc(32);
snprintf(displayModeName, 32, "[index %d]", g_config.m_displayModeIndex);
}
// Check display mode is supported with given options
result = g_deckLinkInput->DoesSupportVideoMode(displayMode->GetDisplayMode(), g_config.m_pixelFormat, bmdVideoInputFlagDefault, &displayModeSupported, NULL);
if (result != S_OK)
goto bail;
if (displayModeSupported == bmdDisplayModeNotSupported)
{
fprintf(stderr, "The display mode %s is not supported with the selected pixel format\n", displayModeName);
goto bail;
}
if (g_config.m_inputFlags & bmdVideoInputDualStream3D)
{
if (!(displayMode->GetFlags() & bmdDisplayModeSupports3D))
{
fprintf(stderr, "The display mode %s is not supported with 3D\n", displayModeName);
goto bail;
}
}
// Print the selected configuration
g_config.DisplayConfiguration();
// Configure the capture callback
delegate = new DeckLinkCaptureDelegate();
g_deckLinkInput->SetCallback(delegate);
// Open output files
// if (g_config.m_videoOutputFile != NULL)
// {
// g_videoOutputFile = open(g_config.m_videoOutputFile, O_WRONLY|O_CREAT|O_TRUNC, 0664);
// if (g_videoOutputFile < 0)
// {
// fprintf(stderr, "Could not open video output file \"%s\"\n", g_config.m_videoOutputFile);
// goto bail;
// }
// }
//
// if (g_config.m_audioOutputFile != NULL)
// {
// g_audioOutputFile = open(g_config.m_audioOutputFile, O_WRONLY|O_CREAT|O_TRUNC, 0664);
// if (g_audioOutputFile < 0)
// {
// fprintf(stderr, "Could not open audio output file \"%s\"\n", g_config.m_audioOutputFile);
// goto bail;
// }
// }
// Block main thread until signal occurs
while (!g_do_exit)
{
// Start capturing
result = g_deckLinkInput->EnableVideoInput(displayMode->GetDisplayMode(), g_config.m_pixelFormat, g_config.m_inputFlags);
if (result != S_OK)
{
fprintf(stderr, "Failed to enable video input. Is another application using the card?\n");
goto bail;
}
result = g_deckLinkInput->EnableAudioInput(bmdAudioSampleRate48kHz, g_config.m_audioSampleDepth, g_config.m_audioChannels);
if (result != S_OK)
goto bail;
result = g_deckLinkInput->StartStreams();
if (result != S_OK)
goto bail;
// All Okay.
exitStatus = 0;
pthread_mutex_lock(&g_sleepMutex);
pthread_cond_wait(&g_sleepCond, &g_sleepMutex);
pthread_mutex_unlock(&g_sleepMutex);
fprintf(stderr, "Stopping Capture\n");
g_deckLinkInput->StopStreams();
g_deckLinkInput->DisableAudioInput();
g_deckLinkInput->DisableVideoInput();
}
bail:
if (g_videoOutputFile != 0)
close(g_videoOutputFile);
if (g_audioOutputFile != 0)
close(g_audioOutputFile);
if (displayModeName != NULL)
free(displayModeName);
if (displayMode != NULL)
displayMode->Release();
if (displayModeIterator != NULL)
displayModeIterator->Release();
if (g_deckLinkInput != NULL)
{
g_deckLinkInput->Release();
g_deckLinkInput = NULL;
}
if (deckLinkAttributes != NULL)
deckLinkAttributes->Release();
if (deckLink != NULL)
deckLink->Release();
if (deckLinkIterator != NULL)
deckLinkIterator->Release();
close(g_video_sock);
close(g_audio_sock);
return exitStatus;
}
OFX_DECKLINK_API_BEGIN_NAMESPACE
vector<Device> listDevice()
{
vector<Device> devinfo;
IDeckLinkIterator* deckLinkIterator = CreateDeckLinkIteratorInstance();
if (deckLinkIterator == NULL)
{
ofLogError("ofxDeckLinkAPI::Monitor") << "This application requires the DeckLink drivers installed." << "\n" << "Please install the Blackmagic DeckLink drivers to use the features of this application.";
}
cout << "==== ofxDeckLinkAPI::listDevice() ====" << endl;
IDeckLink* deckLink = NULL;
HRESULT result;
int num_device = 0;
while (deckLinkIterator->Next(&deckLink) == S_OK)
{
Device dev;
CFStringRef deviceNameCFString = NULL;
result = deckLink->GetModelName(&deviceNameCFString);
if (result == S_OK)
{
char deviceName[64];
CFStringGetCString(deviceNameCFString, deviceName, sizeof(deviceName), kCFStringEncodingUTF8);
cout << num_device << ": " << deviceName;
CFRelease(deviceNameCFString);
dev.model_name = (string)deviceName;
}
IDeckLinkAttributes* attr = NULL;
deckLink->QueryInterface(IID_IDeckLinkAttributes, (void**)&attr);
if (attr != NULL) {
{
int64_t v = 0;
if (attr->GetInt(BMDDeckLinkPersistentID, &v) == S_OK) {
dev.persistent_id = v;
cout << ", pid:" << v;
}
}
{
int64_t v = 0;
if (attr->GetInt(BMDDeckLinkTopologicalID, &v) == S_OK) {
dev.topological_id = v;
cout << ", tid:" << v;
}
}
}
cout << endl;
devinfo.push_back(dev);
deckLink->Release();
num_device++;
}
if (num_device == 0)
cout << "device not found" << endl;
cout << "======================================" << endl << endl;
if (deckLinkIterator != NULL)
{
deckLinkIterator->Release();
deckLinkIterator = NULL;
}
return devinfo;
}
bool ofxBlackmagicGrabber::initGrabber(int w, int h) {
IDeckLinkIterator *deckLinkIterator = CreateDeckLinkIteratorInstance();
int displayModeCount = 0;
int exitStatus = 1;
bool foundDisplayMode = false;
HRESULT result;
IDeckLinkDisplayModeIterator *displayModeIterator;
if (!deckLinkIterator){
ofLogError(LOG_NAME) << "This application requires the DeckLink drivers installed.";
goto bail;
}
for(int i=0;i<deviceID+1;i++){
result = deckLinkIterator->Next(&deckLink);
if (result != S_OK){
ofLogError(LOG_NAME) << "Couldn't open device" << deviceID;
goto bail;
}
}
if (deckLink->QueryInterface(IID_IDeckLinkInput, (void**)&deckLinkInput) != S_OK)
goto bail;
deckLinkInput->SetCallback(this);
// Obtain an IDeckLinkDisplayModeIterator to enumerate the display modes supported on output
result = deckLinkInput->GetDisplayModeIterator(&displayModeIterator);
if (result != S_OK){
ofLogError(LOG_NAME) << "Could not obtain the video output display mode iterator - result =" << result;
goto bail;
}
if (g_videoModeIndex < 0){
ofLogError(LOG_NAME) << "No video mode specified, specify it before initGrabber using setVideoMode";
goto bail;
}
while (displayModeIterator->Next(&displayMode) == S_OK){
if (g_videoModeIndex == displayMode->GetDisplayMode()){
BMDDisplayModeSupport result;
CFStringRef displayModeName;
foundDisplayMode = true;
displayMode->GetName(&displayModeName);
selectedDisplayMode = displayMode->GetDisplayMode();
pixels[0].allocate(displayMode->GetWidth(),displayMode->GetHeight(),OF_IMAGE_COLOR);
pixels[1].allocate(displayMode->GetWidth(),displayMode->GetHeight(),OF_IMAGE_COLOR);
ofLogVerbose(LOG_NAME) << "device initialized:" << displayMode->GetWidth() << displayMode->GetHeight();
deckLinkInput->DoesSupportVideoMode(selectedDisplayMode, pixelFormat, bmdVideoInputFlagDefault, &result, NULL);
if (result == bmdDisplayModeNotSupported){
ofLogError(LOG_NAME) << "The display mode" << displayModeName << "is not supported with the selected pixel format";
goto bail;
}
if (inputFlags & bmdVideoInputDualStream3D){
if (!(displayMode->GetFlags() & bmdDisplayModeSupports3D)){
ofLogError(LOG_NAME) << "The display mode" << displayModeName << "is not supported with 3D";
goto bail;
}
}
break;
}
displayModeCount++;
displayMode->Release();
}
if (!foundDisplayMode){
ofLogError(LOG_NAME) << "Invalid mode" << g_videoModeIndex << "specified";
goto bail;
}
result = deckLinkInput->EnableVideoInput(selectedDisplayMode, pixelFormat, inputFlags);
if(result != S_OK){
ofLogError(LOG_NAME) << "Failed to enable video input. Is another application using the card?";
goto bail;
}
#if 0 // no audio by now
result = deckLinkInput->EnableAudioInput(bmdAudioSampleRate48kHz, g_audioSampleDepth, g_audioChannels);
if(result != S_OK){
goto bail;
}
#endif
result = deckLinkInput->StartStreams();
if(result != S_OK){
goto bail;
}
// All Okay.
exitStatus = 0;
return true;
bail:
if (displayModeIterator != NULL){
displayModeIterator->Release();
displayModeIterator = NULL;
}
if (deckLinkIterator != NULL)
deckLinkIterator->Release();
close();
return false;
}
