#include "decklink_common.h"
-#ifdef _WIN32
-IDeckLinkIterator *CreateDeckLinkIteratorInstance(void)
+static IDeckLinkIterator *decklink_create_iterator(AVFormatContext *avctx)
{
IDeckLinkIterator *iter;
+#ifdef _WIN32
if (CoInitialize(NULL) < 0) {
- av_log(NULL, AV_LOG_ERROR, "COM initialization failed.\n");
+ av_log(avctx, AV_LOG_ERROR, "COM initialization failed.\n");
return NULL;
}
if (CoCreateInstance(CLSID_CDeckLinkIterator, NULL, CLSCTX_ALL,
IID_IDeckLinkIterator, (void**) &iter) != S_OK) {
- av_log(NULL, AV_LOG_ERROR, "DeckLink drivers not installed.\n");
- return NULL;
+ iter = NULL;
}
-
- return iter;
-}
+#else
+ iter = CreateDeckLinkIteratorInstance();
#endif
+ if (!iter)
+ av_log(avctx, AV_LOG_ERROR, "Could not create DeckLink iterator. "
+ "Make sure you have DeckLink drivers " BLACKMAGIC_DECKLINK_API_VERSION_STRING " or newer installed.\n");
-#ifdef _WIN32
-static char *dup_wchar_to_utf8(wchar_t *w)
-{
- char *s = NULL;
- int l = WideCharToMultiByte(CP_UTF8, 0, w, -1, 0, 0, 0, 0);
- s = (char *) av_malloc(l);
- if (s)
- WideCharToMultiByte(CP_UTF8, 0, w, -1, s, l, 0, 0);
- return s;
-}
-#define DECKLINK_STR OLECHAR *
-#define DECKLINK_STRDUP dup_wchar_to_utf8
-#define DECKLINK_FREE(s) SysFreeString(s)
-#elif defined(__APPLE__)
-static char *dup_cfstring_to_utf8(CFStringRef w)
-{
- char s[256];
- CFStringGetCString(w, s, 255, kCFStringEncodingUTF8);
- return av_strdup(s);
+ return iter;
}
-#define DECKLINK_STR const __CFString *
-#define DECKLINK_STRDUP dup_cfstring_to_utf8
-#define DECKLINK_FREE(s) CFRelease(s)
-#else
-#define DECKLINK_STR const char *
-#define DECKLINK_STRDUP av_strdup
-/* free() is needed for a string returned by the DeckLink SDL. */
-#define DECKLINK_FREE(s) free((void *) s)
-#endif
-HRESULT ff_decklink_get_display_name(IDeckLink *This, const char **displayName)
+static int decklink_get_attr_string(IDeckLink *dl, BMDDeckLinkAttributeID cfg_id, const char **s)
{
- DECKLINK_STR tmpDisplayName;
- HRESULT hr = This->GetDisplayName(&tmpDisplayName);
- if (hr != S_OK)
- return hr;
- *displayName = DECKLINK_STRDUP(tmpDisplayName);
- DECKLINK_FREE(tmpDisplayName);
- return hr;
+ DECKLINK_STR tmp;
+ HRESULT hr;
+ IDeckLinkAttributes *attr;
+ *s = NULL;
+ if (dl->QueryInterface(IID_IDeckLinkAttributes, (void **)&attr) != S_OK)
+ return AVERROR_EXTERNAL;
+ hr = attr->GetString(cfg_id, &tmp);
+ attr->Release();
+ if (hr == S_OK) {
+ *s = DECKLINK_STRDUP(tmp);
+ DECKLINK_FREE(tmp);
+ if (!*s)
+ return AVERROR(ENOMEM);
+ } else if (hr == E_FAIL) {
+ return AVERROR_EXTERNAL;
+ }
+ return 0;
}
static int decklink_select_input(AVFormatContext *avctx, BMDDeckLinkConfigurationID cfg_id)
if (ret < 0)
return ret;
}
+ if (direction == DIRECTION_OUT && cctx->timing_offset != INT_MIN) {
+ res = ctx->cfg->SetInt(bmdDeckLinkConfigReferenceInputTimingOffset, cctx->timing_offset);
+ if (res != S_OK)
+ av_log(avctx, AV_LOG_WARNING, "Setting timing offset failed.\n");
+ }
return 0;
}
&support, NULL) != S_OK)
return -1;
} else {
- if (ctx->dlo->DoesSupportVideoMode(ctx->bmd_mode, bmdFormat8BitYUV,
- bmdVideoOutputFlagDefault,
- &support, NULL) != S_OK)
- return -1;
+ if (!ctx->supports_vanc || ctx->dlo->DoesSupportVideoMode(ctx->bmd_mode, ctx->raw_format,
+ bmdVideoOutputVANC,
+ &support, NULL) != S_OK) {
+ /* Try without VANC enabled */
+ if (ctx->dlo->DoesSupportVideoMode(ctx->bmd_mode, ctx->raw_format,
+ bmdVideoOutputFlagDefault,
+ &support, NULL) != S_OK) {
+ return -1;
+ }
+ ctx->supports_vanc = 0;
+ }
+
}
if (support == bmdDisplayModeSupported)
return 0;
int show_inputs, int show_outputs)
{
IDeckLink *dl = NULL;
- IDeckLinkIterator *iter = CreateDeckLinkIteratorInstance();
+ IDeckLinkIterator *iter = decklink_create_iterator(avctx);
int ret = 0;
- if (!iter) {
- av_log(avctx, AV_LOG_ERROR, "Could not create DeckLink iterator\n");
+ if (!iter)
return AVERROR(EIO);
- }
while (ret == 0 && iter->Next(&dl) == S_OK) {
IDeckLinkOutput *output_config;
IDeckLinkInput *input_config;
- const char *displayName;
+ const char *display_name = NULL;
+ const char *unique_name = NULL;
AVDeviceInfo *new_device = NULL;
int add = 0;
- ff_decklink_get_display_name(dl, &displayName);
+ ret = decklink_get_attr_string(dl, BMDDeckLinkDisplayName, &display_name);
+ if (ret < 0)
+ goto next;
+ ret = decklink_get_attr_string(dl, BMDDeckLinkDeviceHandle, &unique_name);
+ if (ret < 0)
+ goto next;
if (show_outputs) {
if (dl->QueryInterface(IID_IDeckLinkOutput, (void **)&output_config) == S_OK) {
goto next;
}
- new_device->device_name = av_strdup(displayName);
- new_device->device_description = av_strdup(displayName);
+ new_device->device_name = av_strdup(unique_name ? unique_name : display_name);
+ new_device->device_description = av_strdup(display_name);
if (!new_device->device_name ||
!new_device->device_description ||
}
next:
- av_freep(&displayName);
+ av_freep(&display_name);
+ av_freep(&unique_name);
dl->Release();
}
iter->Release();
av_log(avctx, AV_LOG_INFO, "Blackmagic DeckLink %s devices:\n",
show_inputs ? "input" : "output");
for (int i = 0; i < device_list->nb_devices; i++) {
- av_log(avctx, AV_LOG_INFO, "\t'%s'\n", device_list->devices[i]->device_name);
+ av_log(avctx, AV_LOG_INFO, "\t'%s'\n", device_list->devices[i]->device_description);
}
}
avdevice_free_list_devices(&device_list);
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");
+ IDeckLinkIterator *iter = decklink_create_iterator(avctx);
+ if (!iter)
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);
+ const char *display_name = NULL;
+ const char *unique_name = NULL;
+ decklink_get_attr_string(dl, BMDDeckLinkDisplayName, &display_name);
+ decklink_get_attr_string(dl, BMDDeckLinkDeviceHandle, &unique_name);
+ if (display_name && !strcmp(name, display_name) || unique_name && !strcmp(name, unique_name)) {
+ av_free((void *)unique_name);
+ av_free((void *)display_name);
ctx->dl = dl;
break;
}
- av_free((void *)displayName);
+ av_free((void *)display_name);
+ av_free((void *)unique_name);
dl->Release();
}
iter->Release();
projects / ffmpeg / blobdiff