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Blackmagic: added version check

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This commit is contained in:
Martin Pulec
2012-04-19 15:39:23 +02:00
parent 2ab950ec1e
commit 28627eab03
2 changed files with 113 additions and 4 deletions
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55
ultragrid/src/video_capture/decklink.cpp
View File

@@ -238,6 +238,7 @@ public:
void
print_output_modes (IDeckLink* deckLink);
static int blackmagic_api_version_check(STRING *current_version);
HRESULT
VideoDelegate::VideoInputFrameArrived (IDeckLinkVideoInputFrame *arrivedFrame, IDeckLinkAudioInputPacket *audioPacket)
@@ -333,8 +334,34 @@ void VideoDelegate::set_device_state(struct vidcap_decklink_state *state, int in
i = index;
}
/* HELP */
static int blackmagic_api_version_check(STRING *current_version)
{
int ret = TRUE;
*current_version = NULL;
IDeckLinkAPIInformation *APIInformation = CreateDeckLinkAPIInformationInstance();
if(APIInformation == NULL) {
return FALSE;
}
int64_t value;
HRESULT res;
res = APIInformation->GetInt(BMDDeckLinkAPIVersion, &value);
if(res != S_OK) {
APIInformation->Release();
return FALSE;
}
if(BLACKMAGIC_DECKLINK_API_VERSION > value) { // this is safe comparision, for internal structure please see SDK documentation
APIInformation->GetString(BMDDeckLinkAPIVersion, current_version);
ret = FALSE;
}
APIInformation->Release();
return ret;
}
/* HELP */
int
decklink_help()
{
@@ -676,6 +703,32 @@ vidcap_decklink_init(char *fmt, unsigned int flags)
IDeckLinkConfiguration* deckLinkConfiguration = NULL;
BMDAudioConnection audioConnection;
STRING current_version;
if(!blackmagic_api_version_check(&current_version)) {
fprintf(stderr, "\nThe DeckLink drivers may not be installed or are outdated.\n");
fprintf(stderr, "This UltraGrid version was compiled against DeckLink drivers %s. You should have at least this version.\n\n",
BLACKMAGIC_DECKLINK_API_VERSION_STRING);
fprintf(stderr, "Vendor download page is http://http://www.blackmagic-design.com/support/ \n");
if(current_version) {
const char *currentVersionCString;
#ifdef HAVE_MACOSX
curretnVersionCString = (char *) malloc(128);
CFStringGetCString(deviceNameString, (char *) deviceNameCString, 128, kCFStringEncodingMacRoman);
#else
currentVersionCString = current_version;
#endif
fprintf(stderr, "Currently installed version is: %s\n", currentVersionCString);
#ifdef HAVE_MACOSX
CFRelease(current_version);
#endif
free((void *)currentVersionCString);
} else {
fprintf(stderr, "No installed drivers detected\n");
}
fprintf(stderr, "\n");
return NULL;
}
s = (struct vidcap_decklink_state *) calloc(1, sizeof(struct vidcap_decklink_state));
if (s == NULL) {

62
ultragrid/src/video_display/decklink.cpp
View File

@@ -74,15 +74,17 @@ extern "C" {
} // END of extern "C"
#endif
// defined int video_capture/decklink.cpp
void print_output_modes(IDeckLink *);
#ifdef HAVE_MACOSX
#define STRING CFStringRef
#else
#define STRING const char *
#endif
// defined int video_capture/decklink.cpp
void print_output_modes(IDeckLink *);
static int blackmagic_api_version_check(STRING *current_version);
#define MAX_DEVICES 4
class PlaybackDelegate : public IDeckLinkVideoOutputCallback // , public IDeckLinkAudioOutputCallback
@@ -585,6 +587,33 @@ error:
return FALSE;
}
static int blackmagic_api_version_check(STRING *current_version)
{
int ret = TRUE;
*current_version = NULL;
IDeckLinkAPIInformation *APIInformation = CreateDeckLinkAPIInformationInstance();
if(APIInformation == NULL) {
return FALSE;
}
int64_t value;
HRESULT res;
res = APIInformation->GetInt(BMDDeckLinkAPIVersion, &value);
if(res != S_OK) {
APIInformation->Release();
return FALSE;
}
if(BLACKMAGIC_DECKLINK_API_VERSION > value) { // this is safe comparision, for internal structure please see SDK documentation
APIInformation->GetString(BMDDeckLinkAPIVersion, current_version);
ret = FALSE;
}
APIInformation->Release();
return ret;
}
void *display_decklink_init(char *fmt, unsigned int flags)
{
@@ -597,6 +626,33 @@ void *display_decklink_init(char *fmt, unsigned int flags)
// for Decklink Studio which has switchable XLR - analog 3 and 4 or AES/EBU 3,4 and 5,6
BMDAudioOutputAnalogAESSwitch audioConnection = 0;
STRING current_version;
if(!blackmagic_api_version_check(&current_version)) {
fprintf(stderr, "\nThe DeckLink drivers may not be installed or are outdated.\n");
fprintf(stderr, "This UltraGrid version was compiled against DeckLink drivers %s. You should have at least this version.\n\n",
BLACKMAGIC_DECKLINK_API_VERSION_STRING);
fprintf(stderr, "Vendor download page is http://http://www.blackmagic-design.com/support/ \n");
if(current_version) {
const char *currentVersionCString;
#ifdef HAVE_MACOSX
curretnVersionCString = (char *) malloc(128);
CFStringGetCString(deviceNameString, (char *) deviceNameCString, 128, kCFStringEncodingMacRoman);
#else
currentVersionCString = current_version;
#endif
fprintf(stderr, "Currently installed version is: %s\n", currentVersionCString);
#ifdef HAVE_MACOSX
CFRelease(current_version);
#endif
free((void *)currentVersionCString);
} else {
fprintf(stderr, "No installed drivers detected\n");
}
fprintf(stderr, "\n");
return NULL;
}
s = (struct state_decklink *)calloc(1, sizeof(struct state_decklink));
s->magic = DECKLINK_MAGIC;
s->stereo = FALSE;