RepoMirrors/mpv
1
0
Fork 0
mirror of https://github.com/mpv-player/mpv synced 2025-02-21 07:16:56 +00:00
Code Issues Releases Wiki Activity

ao/wasapi: add convenience functions for change notifiy

Browse Source
This commit is contained in:
Kevin Mitchell 2014-11-13 01:10:00 -08:00
parent f29f16663a
commit e647f202ed
1 changed files with 49 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
audio/out/ao_wasapi_changenotify.c
View File

@ -42,6 +42,55 @@ static int GUID_compare(const GUID *l, const GUID *r)
return 0;
}
static int PKEY_compare(const PROPERTYKEY *l, const PROPERTYKEY *r)
{
if (GUID_compare(&l->fmtid, &r->fmtid)) return 1;
if (l->pid != r->pid) return 1;
return 0;
}
static char *GUID_to_str_buf(char *buf, size_t buf_size, const GUID *guid)
{
snprintf(buf, buf_size,
"{%8.8x-%4.4x-%4.4x-%2.2x%2.2x-%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x}",
guid->Data1, guid->Data2, guid->Data3,
guid->Data4[0], guid->Data4[1],
guid->Data4[2], guid->Data4[3],
guid->Data4[4], guid->Data4[5],
guid->Data4[6], guid->Data4[7]);
return buf;
}
static char *PKEY_to_str_buf(char *buf, size_t buf_size, const PROPERTYKEY *pkey)
{
buf = GUID_to_str_buf(buf, buf_size, &pkey->fmtid);
size_t guid_len = strnlen(buf, buf_size);
snprintf(buf + guid_len, buf_size - guid_len, ",%"PRIu32, (uint32_t)pkey->pid );
return buf;
}
#define PKEY_to_str(pkey) PKEY_to_str_buf((char[42]){0}, 42, (pkey))
static char* ERole_to_str(ERole role)
{
switch(role){
case eConsole: return "console";
case eMultimedia: return "multimedia";
case eCommunications: return "communications";
default: return "<Unknown>";
}
}
static char* EDataFlow_to_str(EDataFlow flow)
{
switch(flow){
case eRender: return "render";
case eCapture: return "capture";
case eAll: return "all";
default: return "<Unknown>";
}
}
static HRESULT STDMETHODCALLTYPE sIMMNotificationClient_QueryInterface(
IMMNotificationClient* This, REFIID riid, void **ppvObject)
{