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BMD: implement get_bmd_api_str_from_cstr abstraction

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This commit is contained in:
Martin Pulec
2022-03-22 10:28:35 +01:00
parent 17fa2dba42
commit 39785a6058
3 changed files with 19 additions and 10 deletions
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16
src/blackmagic_common.cpp
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@@ -97,6 +97,22 @@ char *get_cstr_from_bmd_api_str(BMD_STR bmd_string)
return cstr;
}
BMD_STR get_bmd_api_str_from_cstr(const char *cstr)
{
#ifdef __APPLE__
return CFStringCreateWithCString(kCFAllocatorMalloc, cstr, kCFStringEncodingUTF8);
#elif defined _WIN32
mbstate_t mbstate{};
const char *tmp = cstr;
size_t required_size = mbsrtowcs(NULL, &tmp, 0, &mbstate) + 1;
BMD_STR out = (wchar_t *) malloc(required_size * sizeof(wchar_t));
mbsrtowcs(out, &tmp, required_size, &mbstate);
return out;
#else
return strdup(cstr);
#endif
}
void release_bmd_api_str(BMD_STR string)
{
#ifdef HAVE_MACOSX

1
src/blackmagic_common.h
View File

@@ -91,6 +91,7 @@ static std::vector<std::pair<codec_t, BMDPixelFormat>> uv_to_bmd_codec_map = {
#define BMD_STR const char *
#endif
char *get_cstr_from_bmd_api_str(BMD_STR string);
BMD_STR get_bmd_api_str_from_cstr(const char *cstr);
void release_bmd_api_str(BMD_STR string);
IDeckLinkIterator *create_decklink_iterator(bool verbose = true, bool coinit = true);

12
src/video_display/decklink.cpp
View File

@@ -188,17 +188,9 @@ class DeckLinkTimecode : public IDeckLinkTimecode{
char *out = (char *) malloc(14);
assert(minutes <= 59 && seconds <= 59);
sprintf(out, "%02" PRIu8 ":%02" PRIu8 ":%02" PRIu8 ":%02" PRIu8, hours, minutes, seconds, frames);
#ifdef _WIN32
mbstate_t mbstate{};
const char *tmp = out;
size_t required_size = mbsrtowcs(NULL, &tmp, 0, &mbstate) + 1;
*timecode = (wchar_t *) malloc(required_size * sizeof(wchar_t));
mbsrtowcs(*timecode, &tmp, required_size, &mbstate);
*timecode = get_bmd_api_str_from_cstr(out);
free(out);
#else
*timecode = out;
#endif
return S_OK;
return *timecode ? S_OK : E_FAIL;
}
virtual BMDTimecodeFlags STDMETHODCALLTYPE GetFlags (void) { return bmdTimecodeFlagDefault; }
virtual HRESULT STDMETHODCALLTYPE GetTimecodeUserBits (/* out */ BMDTimecodeUserBits *userBits) { if (!userBits) return E_POINTER; else return S_OK; }