static int dshow_read_header(AVFormatContext *avctx)
{
struct dshow_ctx *ctx = avctx->priv_data;
IGraphBuilder *graph = NULL;
ICreateDevEnum *devenum = NULL;
IMediaControl *control = NULL;
IMediaEvent *media_event = NULL;
HANDLE media_event_handle;
HANDLE proc;
int ret = AVERROR(EIO);
int r;
CoInitialize(0);
if (!ctx->list_devices && !parse_device_name(avctx)) {
av_log(avctx, AV_LOG_ERROR, "Malformed dshow input string.\n");
goto error;
}
ctx->video_codec_id = avctx->video_codec_id ? avctx->video_codec_id
: AV_CODEC_ID_RAWVIDEO;
if (ctx->pixel_format != AV_PIX_FMT_NONE) {
if (ctx->video_codec_id != AV_CODEC_ID_RAWVIDEO) {
av_log(avctx, AV_LOG_ERROR, "Pixel format may only be set when "
"video codec is not set or set to rawvideo\n");
ret = AVERROR(EINVAL);
goto error;
}
}
if (ctx->framerate) {
r = av_parse_video_rate(&ctx->requested_framerate, ctx->framerate);
if (r < 0) {
av_log(avctx, AV_LOG_ERROR, "Could not parse framerate '%s'.\n", ctx->framerate);
goto error;
}
}
r = CoCreateInstance(&CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
&IID_IGraphBuilder, (void **) &graph);
if (r != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Could not create capture graph.\n");
goto error;
}
ctx->graph = graph;
r = CoCreateInstance(&CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER,
&IID_ICreateDevEnum, (void **) &devenum);
if (r != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Could not enumerate system devices.\n");
goto error;
}
if (ctx->list_devices) {
av_log(avctx, AV_LOG_INFO, "DirectShow video devices (some may be both video and audio devices)\n");
dshow_cycle_devices(avctx, devenum, VideoDevice, VideoSourceDevice, NULL);
av_log(avctx, AV_LOG_INFO, "DirectShow audio devices\n");
dshow_cycle_devices(avctx, devenum, AudioDevice, AudioSourceDevice, NULL);
ret = AVERROR_EXIT;
goto error;
}
if (ctx->list_options) {
if (ctx->device_name[VideoDevice])
if ((r = dshow_list_device_options(avctx, devenum, VideoDevice, VideoSourceDevice))) {
ret = r;
goto error;
}
if (ctx->device_name[AudioDevice]) {
if (dshow_list_device_options(avctx, devenum, AudioDevice, AudioSourceDevice)) {
/* show audio options from combined video+audio sources as fallback */
if ((r = dshow_list_device_options(avctx, devenum, AudioDevice, VideoSourceDevice))) {
ret = r;
goto error;
}
}
}
}
if (ctx->device_name[VideoDevice]) {
if ((r = dshow_open_device(avctx, devenum, VideoDevice, VideoSourceDevice)) < 0 ||
(r = dshow_add_device(avctx, VideoDevice)) < 0) {
ret = r;
goto error;
}
}
if (ctx->device_name[AudioDevice]) {
if ((r = dshow_open_device(avctx, devenum, AudioDevice, AudioSourceDevice)) < 0 ||
(r = dshow_add_device(avctx, AudioDevice)) < 0) {
av_log(avctx, AV_LOG_INFO, "Searching for audio device within video devices for %s\n", ctx->device_name[AudioDevice]);
/* see if there's a video source with an audio pin with the given audio name */
if ((r = dshow_open_device(avctx, devenum, AudioDevice, VideoSourceDevice)) < 0 ||
(r = dshow_add_device(avctx, AudioDevice)) < 0) {
ret = r;
goto error;
}
}
}
if (ctx->list_options) {
/* allow it to list crossbar options in dshow_open_device */
ret = AVERROR_EXIT;
goto error;
}
ctx->curbufsize[0] = 0;
ctx->curbufsize[1] = 0;
ctx->mutex = CreateMutex(NULL, 0, NULL);
if (!ctx->mutex) {
av_log(avctx, AV_LOG_ERROR, "Could not create Mutex\n");
goto error;
}
ctx->event[1] = CreateEvent(NULL, 1, 0, NULL);
if (!ctx->event[1]) {
av_log(avctx, AV_LOG_ERROR, "Could not create Event\n");
goto error;
}
r = IGraphBuilder_QueryInterface(graph, &IID_IMediaControl, (void **) &control);
if (r != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Could not get media control.\n");
goto error;
}
ctx->control = control;
r = IGraphBuilder_QueryInterface(graph, &IID_IMediaEvent, (void **) &media_event);
if (r != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Could not get media event.\n");
goto error;
}
ctx->media_event = media_event;
r = IMediaEvent_GetEventHandle(media_event, (void *) &media_event_handle);
if (r != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Could not get media event handle.\n");
goto error;
}
proc = GetCurrentProcess();
r = DuplicateHandle(proc, media_event_handle, proc, &ctx->event[0],
0, 0, DUPLICATE_SAME_ACCESS);
if (!r) {
av_log(avctx, AV_LOG_ERROR, "Could not duplicate media event handle.\n");
goto error;
}
r = IMediaControl_Run(control);
if (r == S_FALSE) {
OAFilterState pfs;
r = IMediaControl_GetState(control, 0, &pfs);
}
if (r != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Could not run graph (sometimes caused by a device already in use by other application)\n");
goto error;
}
ret = 0;
error:
if (devenum)
ICreateDevEnum_Release(devenum);
if (ret < 0)
dshow_read_close(avctx);
return ret;
}
static int dshow_read_header(AVFormatContext *avctx)
{
struct dshow_ctx *ctx = avctx->priv_data;
IGraphBuilder *graph = NULL;
ICreateDevEnum *devenum = NULL;
IMediaControl *control = NULL;
int ret = AVERROR(EIO);
int r;
if (!ctx->list_devices && !parse_device_name(avctx)) {
av_log(avctx, AV_LOG_ERROR, "Malformed dshow input string.\n");
goto error;
}
ctx->video_codec_id = avctx->video_codec_id ? avctx->video_codec_id
: AV_CODEC_ID_RAWVIDEO;
if (ctx->pixel_format != AV_PIX_FMT_NONE) {
if (ctx->video_codec_id != AV_CODEC_ID_RAWVIDEO) {
av_log(avctx, AV_LOG_ERROR, "Pixel format may only be set when "
"video codec is not set or set to rawvideo\n");
ret = AVERROR(EINVAL);
goto error;
}
}
if (ctx->framerate) {
r = av_parse_video_rate(&ctx->requested_framerate, ctx->framerate);
if (r < 0) {
av_log(avctx, AV_LOG_ERROR, "Could not parse framerate '%s'.\n", ctx->framerate);
goto error;
}
}
CoInitialize(0);
r = CoCreateInstance(&CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
&IID_IGraphBuilder, (void **) &graph);
if (r != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Could not create capture graph.\n");
goto error;
}
ctx->graph = graph;
r = CoCreateInstance(&CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER,
&IID_ICreateDevEnum, (void **) &devenum);
if (r != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Could not enumerate system devices.\n");
goto error;
}
if (ctx->list_devices) {
av_log(avctx, AV_LOG_INFO, "DirectShow video devices\n");
dshow_cycle_devices(avctx, devenum, VideoDevice, NULL);
av_log(avctx, AV_LOG_INFO, "DirectShow audio devices\n");
dshow_cycle_devices(avctx, devenum, AudioDevice, NULL);
ret = AVERROR_EXIT;
goto error;
}
if (ctx->list_options) {
if (ctx->device_name[VideoDevice])
dshow_list_device_options(avctx, devenum, VideoDevice);
if (ctx->device_name[AudioDevice])
dshow_list_device_options(avctx, devenum, AudioDevice);
ret = AVERROR_EXIT;
goto error;
}
if (ctx->device_name[VideoDevice]) {
if ((r = dshow_open_device(avctx, devenum, VideoDevice)) < 0 ||
(r = dshow_add_device(avctx, VideoDevice)) < 0) {
ret = r;
goto error;
}
}
if (ctx->device_name[AudioDevice]) {
if ((r = dshow_open_device(avctx, devenum, AudioDevice)) < 0 ||
(r = dshow_add_device(avctx, AudioDevice)) < 0) {
ret = r;
goto error;
}
}
ctx->mutex = CreateMutex(NULL, 0, NULL);
if (!ctx->mutex) {
av_log(avctx, AV_LOG_ERROR, "Could not create Mutex\n");
goto error;
}
ctx->event = CreateEvent(NULL, 1, 0, NULL);
if (!ctx->event) {
av_log(avctx, AV_LOG_ERROR, "Could not create Event\n");
goto error;
}
r = IGraphBuilder_QueryInterface(graph, &IID_IMediaControl, (void **) &control);
if (r != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Could not get media control.\n");
goto error;
}
ctx->control = control;
r = IMediaControl_Run(control);
if (r == S_FALSE) {
OAFilterState pfs;
r = IMediaControl_GetState(control, 0, &pfs);
}
if (r != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Could not run filter\n");
goto error;
}
ret = 0;
error:
if (ret < 0)
dshow_read_close(avctx);
if (devenum)
ICreateDevEnum_Release(devenum);
return ret;
}
static HRESULT DXDiag_InitDXDiagDirectShowFiltersContainer(IDxDiagContainer* pSubCont) {
HRESULT hr = S_OK;
static const WCHAR szName[] = {'s','z','N','a','m','e',0};
static const WCHAR szCatName[] = {'s','z','C','a','t','N','a','m','e',0};
static const WCHAR szClsidCat[] = {'s','z','C','l','s','i','d','C','a','t',0};
static const WCHAR szClsidFilter[] = {'s','z','C','l','s','i','d','F','i','l','t','e','r',0};
static const WCHAR dwInputs[] = {'d','w','I','n','p','u','t','s',0};
static const WCHAR dwOutputs[] = {'d','w','O','u','t','p','u','t','s',0};
static const WCHAR dwMerit[] = {'d','w','M','e','r','i','t',0};
/*
static const WCHAR szFileName[] = {'s','z','F','i','l','e','N','a','m','e',0};
static const WCHAR szFileVersion[] = {'s','z','F','i','l','e','V','e','r','s','i','o','n',0};
*/
VARIANT v;
static const WCHAR wszClsidName[] = {'C','L','S','I','D',0};
static const WCHAR wszFriendlyName[] = {'F','r','i','e','n','d','l','y','N','a','m','e',0};
static const WCHAR wszFilterDataName[] = {'F','i','l','t','e','r','D','a','t','a',0};
/*static const WCHAR wszMeritName[] = {'M','e','r','i','t',0};*/
ICreateDevEnum* pCreateDevEnum = NULL;
IEnumMoniker* pEmCat = NULL;
IMoniker* pMCat = NULL;
/** */
hr = CoCreateInstance(&CLSID_SystemDeviceEnum,
NULL,
CLSCTX_INPROC_SERVER,
&IID_ICreateDevEnum,
(void**) &pCreateDevEnum);
if (FAILED(hr)) return hr;
hr = ICreateDevEnum_CreateClassEnumerator(pCreateDevEnum, &CLSID_ActiveMovieCategories, &pEmCat, 0);
if (FAILED(hr)) goto out_show_filters;
VariantInit(&v);
while (S_OK == IEnumMoniker_Next(pEmCat, 1, &pMCat, NULL)) {
IPropertyBag* pPropBag = NULL;
CLSID clsidCat;
hr = IMoniker_BindToStorage(pMCat, NULL, NULL, &IID_IPropertyBag, (void**) &pPropBag);
if (SUCCEEDED(hr)) {
WCHAR* wszCatName = NULL;
WCHAR* wszCatClsid = NULL;
hr = IPropertyBag_Read(pPropBag, wszFriendlyName, &v, 0);
wszCatName = SysAllocString(V_BSTR(&v));
VariantClear(&v);
hr = IPropertyBag_Read(pPropBag, wszClsidName, &v, 0);
wszCatClsid = SysAllocString(V_BSTR(&v));
hr = CLSIDFromString(V_UNION(&v, bstrVal), &clsidCat);
VariantClear(&v);
/*
hr = IPropertyBag_Read(pPropBag, wszMeritName, &v, 0);
hr = IDxDiagContainerImpl_AddProp(pSubCont, dwMerit, &v);
VariantClear(&v);
*/
if (SUCCEEDED(hr)) {
IEnumMoniker* pEnum = NULL;
IMoniker* pMoniker = NULL;
hr = ICreateDevEnum_CreateClassEnumerator(pCreateDevEnum, &clsidCat, &pEnum, 0);
FIXME("\tClassEnumerator for clsid(%s) pEnum(%p)\n", debugstr_guid(&clsidCat), pEnum);
if (FAILED(hr) || pEnum == NULL) {
goto class_enum_failed;
}
while (NULL != pEnum && S_OK == IEnumMoniker_Next(pEnum, 1, &pMoniker, NULL)) {
IPropertyBag* pPropFilterBag = NULL;
FIXME("\tIEnumMoniker_Next(%p, 1, %p)\n", pEnum, pMoniker);
hr = IMoniker_BindToStorage(pMoniker, NULL, NULL, &IID_IPropertyBag, (void**) &pPropFilterBag);
if (SUCCEEDED(hr)) {
LPBYTE pData = NULL;
LPBYTE pCurrent = NULL;
struct REG_RF* prrf = NULL;
VARIANT v_data;
DWORD it;
DWORD dwNOutputs = 0;
DWORD dwNInputs = 0;
V_VT(&v) = VT_BSTR;
V_BSTR(&v) = SysAllocString(wszCatName);
hr = IDxDiagContainerImpl_AddProp(pSubCont, szCatName, &v);
VariantClear(&v);
V_VT(&v) = VT_BSTR;
V_BSTR(&v) = SysAllocString(wszCatClsid);
hr = IDxDiagContainerImpl_AddProp(pSubCont, szClsidCat, &v);
VariantClear(&v);
hr = IPropertyBag_Read(pPropFilterBag, wszFriendlyName, &v, 0);
hr = IDxDiagContainerImpl_AddProp(pSubCont, szName, &v);
FIXME("\tName:%s\n", debugstr_w(V_BSTR(&v)));
VariantClear(&v);
hr = IPropertyBag_Read(pPropFilterBag, wszClsidName, &v, 0);
FIXME("\tClsid:%s\n", debugstr_w(V_BSTR(&v)));
hr = IDxDiagContainerImpl_AddProp(pSubCont, szClsidFilter, &v);
VariantClear(&v);
hr = IPropertyBag_Read(pPropFilterBag, wszFilterDataName, &v, NULL);
hr = SafeArrayAccessData(V_UNION(&v, parray), (LPVOID*) &pData);
prrf = (struct REG_RF*) pData;
pCurrent = pData;
VariantInit(&v_data);
V_VT(&v_data) = VT_UI4;
V_UI4(&v_data) = prrf->dwVersion;
hr = IDxDiagContainerImpl_AddProp(pSubCont, szName, &v_data);
VariantClear(&v_data);
V_VT(&v_data) = VT_UI4;
V_UI4(&v_data) = prrf->dwMerit;
hr = IDxDiagContainerImpl_AddProp(pSubCont, dwMerit, &v_data);
VariantClear(&v_data);
pCurrent += sizeof(struct REG_RF);
for (it = 0; it < prrf->dwPins; ++it) {
struct REG_RFP* prrfp = (struct REG_RFP*) pCurrent;
UINT j;
if (prrfp->dwFlags & REG_PINFLAG_B_OUTPUT) ++dwNOutputs;
else ++dwNInputs;
pCurrent += sizeof(struct REG_RFP);
if (prrfp->bCategory) {
pCurrent += sizeof(DWORD);
}
for (j = 0; j < prrfp->dwMediaTypes; ++j) {
struct REG_TYPE* prt = (struct REG_TYPE *)pCurrent;
pCurrent += sizeof(*prt);
}
for (j = 0; j < prrfp->dwMediums; ++j) {
DWORD dwOffset = *(DWORD*) pCurrent;
pCurrent += sizeof(dwOffset);
}
}
V_VT(&v_data) = VT_UI4;
V_UI4(&v_data) = dwNInputs;
hr = IDxDiagContainerImpl_AddProp(pSubCont, dwInputs, &v_data);
VariantClear(&v_data);
V_VT(&v_data) = VT_UI4;
V_UI4(&v_data) = dwNOutputs;
hr = IDxDiagContainerImpl_AddProp(pSubCont, dwOutputs, &v_data);
VariantClear(&v_data);
SafeArrayUnaccessData(V_UNION(&v, parray));
VariantClear(&v);
}
IPropertyBag_Release(pPropFilterBag);
pPropFilterBag = NULL;
}
IEnumMoniker_Release(pEnum);
pEnum = NULL;
}
class_enum_failed:
SysFreeString(wszCatName);
SysFreeString(wszCatClsid);
IPropertyBag_Release(pPropBag);
pPropBag = NULL;
}
IEnumMoniker_Release(pMCat);
pMCat = NULL;
}
out_show_filters:
if (NULL != pEmCat) {
IEnumMoniker_Release(pEmCat);
pEmCat = NULL;
}
if (NULL != pCreateDevEnum) {
ICreateDevEnum_Release(pCreateDevEnum);
pCreateDevEnum = NULL;
}
return hr;
}
static GValueArray *
gst_dshowaudiosrc_get_device_name_values (GstDshowAudioSrc * src)
{
GValueArray *array = g_value_array_new (0);
GValue value = { 0 };
ICreateDevEnum *devices_enum = NULL;
IEnumMoniker *moniker_enum = NULL;
IMoniker *moniker = NULL;
HRESULT hres = S_FALSE;
ULONG fetched;
g_value_init (&value, G_TYPE_STRING);
hres = CoCreateInstance (&CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER,
&IID_ICreateDevEnum, (void **) &devices_enum);
if (hres != S_OK) {
GST_CAT_ERROR (dshowaudiosrc_debug,
"Can't create an instance of the system device enumerator (error=%d)",
hres);
array = NULL;
goto clean;
}
hres =
ICreateDevEnum_CreateClassEnumerator (devices_enum,
&CLSID_AudioInputDeviceCategory, &moniker_enum, 0);
if (hres != S_OK || !moniker_enum) {
GST_CAT_ERROR (dshowaudiosrc_debug,
"Can't get enumeration of audio devices (error=%d)", hres);
array = NULL;
goto clean;
}
IEnumMoniker_Reset (moniker_enum);
while (hres = IEnumMoniker_Next (moniker_enum, 1, &moniker, &fetched),
hres == S_OK) {
IPropertyBag *property_bag = NULL;
hres =
IMoniker_BindToStorage (moniker, NULL, NULL, &IID_IPropertyBag,
(void **) &property_bag);
if (SUCCEEDED (hres) && property_bag) {
VARIANT varFriendlyName;
VariantInit (&varFriendlyName);
hres =
IPropertyBag_Read (property_bag, L"FriendlyName", &varFriendlyName,
NULL);
if (hres == S_OK && varFriendlyName.bstrVal) {
gchar *friendly_name =
g_utf16_to_utf8 ((const gunichar2 *) varFriendlyName.bstrVal,
wcslen (varFriendlyName.bstrVal), NULL, NULL, NULL);
g_value_set_string (&value, friendly_name);
g_value_array_append (array, &value);
g_value_unset (&value);
g_free (friendly_name);
SysFreeString (varFriendlyName.bstrVal);
}
IPropertyBag_Release (property_bag);
}
IMoniker_Release (moniker);
}
clean:
if (moniker_enum) {
IEnumMoniker_Release (moniker_enum);
}
if (devices_enum) {
ICreateDevEnum_Release (devices_enum);
}
return array;
}
static void test_devenum(IBindCtx *bind_ctx)
{
HRESULT res;
ICreateDevEnum* create_devenum;
IEnumMoniker* enum_moniker = NULL;
int i;
res = CoCreateInstance(&CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,
&IID_ICreateDevEnum, (LPVOID*)&create_devenum);
if (res != S_OK) {
skip("Cannot create SystemDeviceEnum object (%x)\n", res);
return;
}
for (i = 0; i < (sizeof(am_categories) / sizeof(struct category)); i++)
{
if (winetest_debug > 1)
trace("%s:\n", am_categories[i].name);
res = ICreateDevEnum_CreateClassEnumerator(create_devenum, am_categories[i].clsid, &enum_moniker, 0);
ok(SUCCEEDED(res), "Cannot create enum moniker (res = %x)\n", res);
if (res == S_OK)
{
IMoniker* moniker;
while (IEnumMoniker_Next(enum_moniker, 1, &moniker, NULL) == S_OK)
{
IPropertyBag* prop_bag = NULL;
VARIANT var;
HRESULT hr;
VariantInit(&var);
hr = IMoniker_BindToStorage(moniker, bind_ctx, NULL, &IID_IPropertyBag, (LPVOID*)&prop_bag);
ok(hr == S_OK, "IMoniker_BindToStorage failed with error %x\n", hr);
if (SUCCEEDED(hr))
{
hr = IPropertyBag_Read(prop_bag, friendly_name, &var, NULL);
ok((hr == S_OK) || broken(hr == 0x80070002), "IPropertyBag_Read failed with error %x\n", hr);
if (SUCCEEDED(hr))
{
if (winetest_debug > 1)
trace(" %s\n", wine_dbgstr_w(V_UNION(&var, bstrVal)));
VariantClear(&var);
}
else
{
trace(" ???\n");
}
}
if (prop_bag)
IPropertyBag_Release(prop_bag);
IMoniker_Release(moniker);
}
IEnumMoniker_Release(enum_moniker);
}
}
ICreateDevEnum_Release(create_devenum);
}
