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dshowsrcwrapper: indent

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This commit is contained in:
Julien Isorce 2009-09-07 10:59:53 +02:00
parent 9844d73b37
commit 0518509f0a
8 changed files with 367 additions and 296 deletions
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159
sys/dshowsrcwrapper/gstdshow.cpp
View file

@ -23,31 +23,31 @@
#include "gstdshowfakesink.h"
void
gst_dshow_free_mediatype (AM_MEDIA_TYPE *pmt)
gst_dshow_free_mediatype (AM_MEDIA_TYPE * pmt)
{
if (pmt != NULL) {
if (pmt->cbFormat != 0) {
CoTaskMemFree((PVOID)pmt->pbFormat);
CoTaskMemFree ((PVOID) pmt->pbFormat);
pmt->cbFormat = 0;
pmt->pbFormat = NULL;
}
if (pmt->pUnk != NULL) {
/* Unecessary because pUnk should not be used, but safest. */
pmt->pUnk->Release();
pmt->pUnk->Release ();
pmt->pUnk = NULL;
}
CoTaskMemFree(pmt);
CoTaskMemFree (pmt);
}
}
void
gst_dshow_free_pin_mediatype (gpointer pt)
{
GstCapturePinMediaType * pin_mediatype = (GstCapturePinMediaType *) pt;
GstCapturePinMediaType *pin_mediatype = (GstCapturePinMediaType *) pt;
if (pin_mediatype) {
if (pin_mediatype->capture_pin) {
pin_mediatype->capture_pin->Release();
pin_mediatype->capture_pin->Release ();
pin_mediatype->capture_pin = NULL;
}
if (pin_mediatype->mediatype) {
@ -58,36 +58,37 @@ gst_dshow_free_pin_mediatype (gpointer pt)
}
GstCapturePinMediaType *
gst_dshow_new_pin_mediatype (IPin *pin, gint id, IAMStreamConfig * streamcaps)
gst_dshow_new_pin_mediatype (IPin * pin, gint id, IAMStreamConfig * streamcaps)
{
GstCapturePinMediaType *pin_mediatype = g_new0 (GstCapturePinMediaType, 1);
HRESULT hres = streamcaps->GetStreamCaps(id, &pin_mediatype->mediatype, (BYTE *) & pin_mediatype->vscc);
HRESULT hres = streamcaps->GetStreamCaps (id, &pin_mediatype->mediatype,
(BYTE *) & pin_mediatype->vscc);
if (FAILED (hres) || !pin_mediatype->mediatype) {
gst_dshow_free_pin_mediatype (pin_mediatype);
return NULL;
}
pin->AddRef();
pin->AddRef ();
pin_mediatype->capture_pin = pin;
return pin_mediatype;
}
void
gst_dshow_free_pins_mediatypes (GList *pins_mediatypes)
gst_dshow_free_pins_mediatypes (GList * pins_mediatypes)
{
guint i = 0;
for (; i < g_list_length (pins_mediatypes); i++) {
GList *mylist = g_list_nth (pins_mediatypes, i);
if (mylist && mylist->data)
gst_dshow_free_pin_mediatype ((GstCapturePinMediaType *)mylist->data);
gst_dshow_free_pin_mediatype ((GstCapturePinMediaType *) mylist->data);
}
g_list_free (pins_mediatypes);
}
gboolean
gst_dshow_check_mediatype (AM_MEDIA_TYPE *media_type, const GUID sub_type,
gst_dshow_check_mediatype (AM_MEDIA_TYPE * media_type, const GUID sub_type,
const GUID format_type)
{
RPC_STATUS rpcstatus;
@ -95,14 +96,15 @@ gst_dshow_check_mediatype (AM_MEDIA_TYPE *media_type, const GUID sub_type,
g_return_val_if_fail (media_type != NULL, FALSE);
return
UuidCompare (&media_type->subtype, (UUID *) &sub_type,
UuidCompare (&media_type->subtype, (UUID *) & sub_type,
&rpcstatus) == 0 && rpcstatus == RPC_S_OK &&
UuidCompare (&media_type->formattype, (UUID *) &format_type,
UuidCompare (&media_type->formattype, (UUID *) & format_type,
&rpcstatus) == 0 && rpcstatus == RPC_S_OK;
}
gboolean
gst_dshow_get_pin_from_filter (IBaseFilter *filter, PIN_DIRECTION pindir, IPin **pin)
gst_dshow_get_pin_from_filter (IBaseFilter * filter, PIN_DIRECTION pindir,
IPin ** pin)
{
gboolean ret = FALSE;
IEnumPins *enumpins = NULL;
@ -111,12 +113,11 @@ gst_dshow_get_pin_from_filter (IBaseFilter *filter, PIN_DIRECTION pindir, IPin *
*pin = NULL;
hres = filter->EnumPins (&enumpins);
if (FAILED(hres)) {
if (FAILED (hres)) {
return ret;
}
while (enumpins->Next (1, &pintmp, NULL) == S_OK)
{
while (enumpins->Next (1, &pintmp, NULL) == S_OK) {
PIN_DIRECTION pindirtmp;
hres = pintmp->QueryDirection (&pindirtmp);
if (hres == S_OK && pindir == pindirtmp) {
@ -131,9 +132,10 @@ gst_dshow_get_pin_from_filter (IBaseFilter *filter, PIN_DIRECTION pindir, IPin *
return ret;
}
gboolean gst_dshow_find_filter(CLSID input_majortype, CLSID input_subtype,
gboolean
gst_dshow_find_filter (CLSID input_majortype, CLSID input_subtype,
CLSID output_majortype, CLSID output_subtype,
gchar * prefered_filter_name, IBaseFilter **filter)
gchar * prefered_filter_name, IBaseFilter ** filter)
{
gboolean ret = FALSE;
HRESULT hres;
@ -156,39 +158,43 @@ gboolean gst_dshow_find_filter(CLSID input_majortype, CLSID input_subtype,
_strupr (prefered_filter_upper);
}
hres = CoCreateInstance(CLSID_FilterMapper2, NULL, CLSCTX_INPROC,
hres = CoCreateInstance (CLSID_FilterMapper2, NULL, CLSCTX_INPROC,
IID_IFilterMapper2, (void **) &mapper);
if (FAILED(hres))
if (FAILED (hres))
goto clean;
memcpy(&arrayInTypes[0], &input_majortype, sizeof (CLSID));
memcpy(&arrayInTypes[1], &input_subtype, sizeof (CLSID));
memcpy(&arrayOutTypes[0], &output_majortype, sizeof (CLSID));
memcpy(&arrayOutTypes[1], &output_subtype, sizeof (CLSID));
memcpy (&arrayInTypes[0], &input_majortype, sizeof (CLSID));
memcpy (&arrayInTypes[1], &input_subtype, sizeof (CLSID));
memcpy (&arrayOutTypes[0], &output_majortype, sizeof (CLSID));
memcpy (&arrayOutTypes[1], &output_subtype, sizeof (CLSID));
hres = mapper->EnumMatchingFilters (&enum_moniker, 0, FALSE, MERIT_DO_NOT_USE+1,
TRUE, 1, arrayInTypes, NULL, NULL, FALSE,
TRUE, 1, arrayOutTypes, NULL, NULL);
if (FAILED(hres))
hres =
mapper->EnumMatchingFilters (&enum_moniker, 0, FALSE,
MERIT_DO_NOT_USE + 1, TRUE, 1, arrayInTypes, NULL, NULL, FALSE, TRUE, 1,
arrayOutTypes, NULL, NULL);
if (FAILED (hres))
goto clean;
enum_moniker->Reset ();
while(hres = enum_moniker->Next (1, &moniker, &fetched),hres == S_OK
while (hres = enum_moniker->Next (1, &moniker, &fetched), hres == S_OK
&& !exit) {
IBaseFilter *filter_temp = NULL;
IPropertyBag *property_bag = NULL;
gchar * friendly_name = NULL;
gchar *friendly_name = NULL;
hres = moniker->BindToStorage (NULL, NULL, IID_IPropertyBag, (void **)&property_bag);
if(SUCCEEDED(hres) && property_bag) {
hres =
moniker->BindToStorage (NULL, NULL, IID_IPropertyBag,
(void **) &property_bag);
if (SUCCEEDED (hres) && property_bag) {
VARIANT varFriendlyName;
VariantInit (&varFriendlyName);
hres = property_bag->Read (L"FriendlyName", &varFriendlyName, NULL);
if(hres == S_OK && varFriendlyName.bstrVal) {
friendly_name = g_utf16_to_utf8((const gunichar2*)varFriendlyName.bstrVal,
wcslen(varFriendlyName.bstrVal), NULL, NULL, NULL);
if (hres == S_OK && varFriendlyName.bstrVal) {
friendly_name =
g_utf16_to_utf8 ((const gunichar2 *) varFriendlyName.bstrVal,
wcslen (varFriendlyName.bstrVal), NULL, NULL, NULL);
if (friendly_name)
_strupr (friendly_name);
SysFreeString (varFriendlyName.bstrVal);
@ -196,8 +202,10 @@ gboolean gst_dshow_find_filter(CLSID input_majortype, CLSID input_subtype,
property_bag->Release ();
}
hres = moniker->BindToObject(NULL, NULL, IID_IBaseFilter, (void**)&filter_temp);
if(SUCCEEDED(hres) && filter_temp) {
hres =
moniker->BindToObject (NULL, NULL, IID_IBaseFilter,
(void **) &filter_temp);
if (SUCCEEDED (hres) && filter_temp) {
ret = TRUE;
if (filter) {
if (*filter)
@ -207,7 +215,7 @@ gboolean gst_dshow_find_filter(CLSID input_majortype, CLSID input_subtype,
(*filter)->AddRef ();
if (prefered_filter_upper && friendly_name &&
strstr(friendly_name, prefered_filter_upper))
strstr (friendly_name, prefered_filter_upper))
exit = TRUE;
}
@ -238,7 +246,8 @@ clean:
gchar *
gst_dshow_getdevice_from_devicename (const GUID *device_category, gchar **device_name)
gst_dshow_getdevice_from_devicename (const GUID * device_category,
gchar ** device_name)
{
gchar *ret = NULL;
ICreateDevEnum *devices_enum = NULL;
@ -249,44 +258,47 @@ gst_dshow_getdevice_from_devicename (const GUID *device_category, gchar **devic
gboolean bfound = FALSE;
hres = CoCreateInstance (CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER,
IID_ICreateDevEnum, (void**)&devices_enum);
if(hres != S_OK) {
/*error*/
IID_ICreateDevEnum, (void **) &devices_enum);
if (hres != S_OK) {
/*error */
goto clean;
}
hres = devices_enum->CreateClassEnumerator (*device_category,
&enum_moniker, 0);
if (hres != S_OK || !enum_moniker) {
/*error*/
/*error */
goto clean;
}
enum_moniker->Reset ();
while(hres = enum_moniker->Next (1, &moniker, &fetched),hres == S_OK
while (hres = enum_moniker->Next (1, &moniker, &fetched), hres == S_OK
&& !bfound) {
IPropertyBag *property_bag = NULL;
hres = moniker->BindToStorage(NULL, NULL, IID_IPropertyBag, (void **)&property_bag);
if(SUCCEEDED(hres) && property_bag) {
hres =
moniker->BindToStorage (NULL, NULL, IID_IPropertyBag,
(void **) &property_bag);
if (SUCCEEDED (hres) && property_bag) {
VARIANT varFriendlyName;
VariantInit (&varFriendlyName);
hres = property_bag->Read (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);
if (hres == S_OK && varFriendlyName.bstrVal) {
gchar *friendly_name =
g_utf16_to_utf8 ((const gunichar2 *) varFriendlyName.bstrVal,
wcslen (varFriendlyName.bstrVal), NULL, NULL, NULL);
if (!*device_name) {
*device_name = g_strdup (friendly_name);
}
if (_stricmp(*device_name, friendly_name) == 0) {
if (_stricmp (*device_name, friendly_name) == 0) {
WCHAR *wszDisplayName = NULL;
hres = moniker->GetDisplayName (NULL, NULL, &wszDisplayName);
if(hres == S_OK && wszDisplayName) {
ret = g_utf16_to_utf8((const gunichar2*)wszDisplayName,
wcslen(wszDisplayName), NULL, NULL, NULL);
if (hres == S_OK && wszDisplayName) {
ret = g_utf16_to_utf8 ((const gunichar2 *) wszDisplayName,
wcslen (wszDisplayName), NULL, NULL, NULL);
CoTaskMemFree (wszDisplayName);
}
bfound = TRUE;
@ -311,39 +323,41 @@ clean:
}
gboolean
gst_dshow_show_propertypage (IBaseFilter *base_filter)
gst_dshow_show_propertypage (IBaseFilter * base_filter)
{
gboolean ret = FALSE;
ISpecifyPropertyPages *pProp = NULL;
HRESULT hres = base_filter->QueryInterface (IID_ISpecifyPropertyPages, (void **)&pProp);
if (SUCCEEDED(hres))
{
/* Get the filter's name and IUnknown pointer.*/
HRESULT hres =
base_filter->QueryInterface (IID_ISpecifyPropertyPages, (void **) &pProp);
if (SUCCEEDED (hres)) {
/* Get the filter's name and IUnknown pointer. */
FILTER_INFO FilterInfo;
CAUUID caGUID;
IUnknown *pFilterUnk = NULL;
hres = base_filter->QueryFilterInfo (&FilterInfo);
base_filter->QueryInterface (IID_IUnknown, (void **)&pFilterUnk);
base_filter->QueryInterface (IID_IUnknown, (void **) &pFilterUnk);
/* Show the page. */
pProp->GetPages (&caGUID);
pProp->Release ();
OleCreatePropertyFrame(GetDesktopWindow(), 0, 0, FilterInfo.achName,
OleCreatePropertyFrame (GetDesktopWindow (), 0, 0, FilterInfo.achName,
1, &pFilterUnk, caGUID.cElems, caGUID.pElems, 0, 0, NULL);
pFilterUnk->Release ();
FilterInfo.pGraph->Release ();
CoTaskMemFree(caGUID.pElems);
CoTaskMemFree (caGUID.pElems);
}
return ret;
}
GstCaps *gst_dshow_new_video_caps (GstVideoFormat video_format, const gchar* name,
GstCapturePinMediaType *pin_mediatype)
GstCaps *
gst_dshow_new_video_caps (GstVideoFormat video_format, const gchar * name,
GstCapturePinMediaType * pin_mediatype)
{
GstCaps *video_caps = NULL;
GstStructure *video_structure = NULL;
VIDEOINFOHEADER *video_info = (VIDEOINFOHEADER *) pin_mediatype->mediatype->pbFormat;
VIDEOINFOHEADER *video_info =
(VIDEOINFOHEADER *) pin_mediatype->mediatype->pbFormat;
pin_mediatype->defaultWidth = video_info->bmiHeader.biWidth;
pin_mediatype->defaultHeight = video_info->bmiHeader.biHeight;
@ -363,7 +377,7 @@ GstCaps *gst_dshow_new_video_caps (GstVideoFormat video_format, const gchar* nam
}
/* other video format */
if (!video_caps){
if (!video_caps) {
if (g_strcasecmp (name, "video/x-dv, systemstream=FALSE") == 0) {
video_caps = gst_caps_new_simple ("video/x-dv",
"systemstream", G_TYPE_BOOLEAN, FALSE,
@ -392,12 +406,13 @@ GstCaps *gst_dshow_new_video_caps (GstVideoFormat video_format, const gchar* nam
/* value that the filter supports" as it said in the VIDEO_STREAM_CONFIG_CAPS dshwo doc */
gst_structure_set (video_structure,
"width", GST_TYPE_INT_RANGE, pin_mediatype->vscc.MinOutputSize.cx, pin_mediatype->vscc.MaxOutputSize.cx,
"height", GST_TYPE_INT_RANGE, pin_mediatype->vscc.MinOutputSize.cy, pin_mediatype->vscc.MaxOutputSize.cy,
"framerate", GST_TYPE_FRACTION_RANGE,
"width", GST_TYPE_INT_RANGE, pin_mediatype->vscc.MinOutputSize.cx,
pin_mediatype->vscc.MaxOutputSize.cx, "height", GST_TYPE_INT_RANGE,
pin_mediatype->vscc.MinOutputSize.cy,
pin_mediatype->vscc.MaxOutputSize.cy, "framerate",
GST_TYPE_FRACTION_RANGE,
(gint) (10000000 / pin_mediatype->vscc.MaxFrameInterval), 1,
(gint) (10000000 / pin_mediatype->vscc.MinFrameInterval), 1,
NULL);
(gint) (10000000 / pin_mediatype->vscc.MinFrameInterval), 1, NULL);
return video_caps;
}

26
sys/dshowsrcwrapper/gstdshow.h
View file

@ -51,34 +51,38 @@ typedef struct _GstCapturePinMediaType
void gst_dshow_free_pin_mediatype (gpointer pt);
/* free memory of the input dshow mediatype */
void gst_dshow_free_mediatype (AM_MEDIA_TYPE *pmt);
void gst_dshow_free_mediatype (AM_MEDIA_TYPE * pmt);
/* create a new capture media type that handles dshow video caps of a capture pin */
GstCapturePinMediaType *gst_dshow_new_pin_mediatype (IPin *pin, gint id, IAMStreamConfig * streamcaps);
GstCapturePinMediaType *gst_dshow_new_pin_mediatype (IPin * pin, gint id,
IAMStreamConfig * streamcaps);
/* free the memory of all mediatypes of the input list if pin mediatype */
void gst_dshow_free_pins_mediatypes (GList *mediatypes);
void gst_dshow_free_pins_mediatypes (GList * mediatypes);
/* allow to know what kind of media type we have */
gboolean gst_dshow_check_mediatype (AM_MEDIA_TYPE *media_type, const GUID sub_type, const GUID format_type);
gboolean gst_dshow_check_mediatype (AM_MEDIA_TYPE * media_type,
const GUID sub_type, const GUID format_type);
/* get a pin from directshow filter */
gboolean gst_dshow_get_pin_from_filter (IBaseFilter *filter, PIN_DIRECTION pindir, IPin **pin);
gboolean gst_dshow_get_pin_from_filter (IBaseFilter * filter,
PIN_DIRECTION pindir, IPin ** pin);
/* find and return a filter according to the input and output types */
gboolean gst_dshow_find_filter(CLSID input_majortype, CLSID input_subtype,
gboolean gst_dshow_find_filter (CLSID input_majortype, CLSID input_subtype,
CLSID output_majortype, CLSID output_subtype,
gchar * prefered_filter_name, IBaseFilter **filter);
gchar * prefered_filter_name, IBaseFilter ** filter);
/* get the dshow device path from device friendly name.
If friendly name is not set, it will return the first available device */
gchar *gst_dshow_getdevice_from_devicename (const GUID *device_category, gchar **device_name);
gchar *gst_dshow_getdevice_from_devicename (const GUID * device_category,
gchar ** device_name);
/* show the capture filter property page (generally used to setup the device). the page is modal*/
gboolean gst_dshow_show_propertypage (IBaseFilter *base_filter);
gboolean gst_dshow_show_propertypage (IBaseFilter * base_filter);
/* transform a dshow video caps to a gstreamer video caps */
GstCaps *gst_dshow_new_video_caps (GstVideoFormat video_format, const gchar* name,
GstCapturePinMediaType *pin_mediatype);
GstCaps *gst_dshow_new_video_caps (GstVideoFormat video_format,
const gchar * name, GstCapturePinMediaType * pin_mediatype);
#endif /* _GSTDSHOW_ */

138
sys/dshowsrcwrapper/gstdshowaudiosrc.cpp
View file

@ -167,13 +167,13 @@ gst_dshowaudiosrc_class_init (GstDshowAudioSrcClass * klass)
(gobject_class, PROP_DEVICE,
g_param_spec_string ("device", "Device",
"Directshow device reference (classID/name)", NULL,
static_cast<GParamFlags>(G_PARAM_READWRITE)));
static_cast < GParamFlags > (G_PARAM_READWRITE)));
g_object_class_install_property
(gobject_class, PROP_DEVICE_NAME,
g_param_spec_string ("device-name", "Device name",
"Human-readable name of the sound device", NULL,
static_cast<GParamFlags>(G_PARAM_READWRITE)));
static_cast < GParamFlags > (G_PARAM_READWRITE)));
GST_DEBUG_CATEGORY_INIT (dshowaudiosrc_debug, "dshowaudiosrc", 0,
"Directshow audio source");
@ -236,7 +236,7 @@ gst_dshowaudiosrc_dispose (GObject * gobject)
/* clean dshow */
if (src->audio_cap_filter)
src->audio_cap_filter->Release();
src->audio_cap_filter->Release ();
CoUninitialize ();
@ -271,14 +271,16 @@ gst_dshowaudiosrc_get_device_name_values (GstDshowAudioSrc * src)
ULONG fetched;
hres = CoCreateInstance (CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER,
IID_ICreateDevEnum, (LPVOID *) &devices_enum);
IID_ICreateDevEnum, (LPVOID *) & devices_enum);
if (hres != S_OK) {
GST_ERROR ("Can't create an instance of the system device enumerator (error=0x%x)", hres);
GST_ERROR
("Can't create an instance of the system device enumerator (error=0x%x)",
hres);
array = NULL;
goto clean;
}
hres = devices_enum->CreateClassEnumerator(CLSID_AudioInputDeviceCategory,
hres = devices_enum->CreateClassEnumerator (CLSID_AudioInputDeviceCategory,
&moniker_enum, 0);
if (hres != S_OK || !moniker_enum) {
GST_ERROR ("Can't get enumeration of audio devices (error=0x%x)", hres);
@ -286,19 +288,18 @@ gst_dshowaudiosrc_get_device_name_values (GstDshowAudioSrc * src)
goto clean;
}
moniker_enum->Reset();
moniker_enum->Reset ();
while (hres = moniker_enum->Next(1, &moniker, &fetched),
hres == S_OK) {
while (hres = moniker_enum->Next (1, &moniker, &fetched), hres == S_OK) {
IPropertyBag *property_bag = NULL;
hres = moniker->BindToStorage(NULL, NULL, IID_IPropertyBag,
(LPVOID *) &property_bag);
hres = moniker->BindToStorage (NULL, NULL, IID_IPropertyBag,
(LPVOID *) & property_bag);
if (SUCCEEDED (hres) && property_bag) {
VARIANT varFriendlyName;
VariantInit (&varFriendlyName);
hres = property_bag->Read(L"FriendlyName", &varFriendlyName, NULL);
hres = property_bag->Read (L"FriendlyName", &varFriendlyName, NULL);
if (hres == S_OK && varFriendlyName.bstrVal) {
gchar *friendly_name =
g_utf16_to_utf8 ((const gunichar2 *) varFriendlyName.bstrVal,
@ -312,17 +313,17 @@ gst_dshowaudiosrc_get_device_name_values (GstDshowAudioSrc * src)
g_free (friendly_name);
SysFreeString (varFriendlyName.bstrVal);
}
property_bag->Release();
property_bag->Release ();
}
moniker->Release();
moniker->Release ();
}
clean:
if (moniker_enum)
moniker_enum->Release();
moniker_enum->Release ();
if (devices_enum)
devices_enum->Release();
devices_enum->Release ();
return array;
}
@ -416,13 +417,14 @@ gst_dshowaudiosrc_get_caps (GstBaseSrc * basesrc)
if (!src->audio_cap_filter) {
hres = CreateBindCtx (0, &lpbc);
if (SUCCEEDED (hres)) {
hres = MkParseDisplayName (lpbc, (LPCOLESTR) unidevice, &dwEaten, &audiom);
hres =
MkParseDisplayName (lpbc, (LPCOLESTR) unidevice, &dwEaten, &audiom);
if (SUCCEEDED (hres)) {
hres = audiom->BindToObject(lpbc, NULL, IID_IBaseFilter,
(LPVOID *) &src->audio_cap_filter);
audiom->Release();
hres = audiom->BindToObject (lpbc, NULL, IID_IBaseFilter,
(LPVOID *) & src->audio_cap_filter);
audiom->Release ();
}
lpbc->Release();
lpbc->Release ();
}
}
@ -432,39 +434,41 @@ gst_dshowaudiosrc_get_caps (GstBaseSrc * basesrc)
IEnumPins *enumpins = NULL;
HRESULT hres;
hres = src->audio_cap_filter->EnumPins(&enumpins);
hres = src->audio_cap_filter->EnumPins (&enumpins);
if (SUCCEEDED (hres)) {
while (enumpins->Next(1, &capture_pin, NULL) == S_OK) {
while (enumpins->Next (1, &capture_pin, NULL) == S_OK) {
IKsPropertySet *pKs = NULL;
hres = capture_pin->QueryInterface(IID_IKsPropertySet, (LPVOID *) &pKs);
hres =
capture_pin->QueryInterface (IID_IKsPropertySet, (LPVOID *) & pKs);
if (SUCCEEDED (hres) && pKs) {
DWORD cbReturned;
GUID pin_category;
RPC_STATUS rpcstatus;
hres =
pKs->Get(AMPROPSETID_Pin,
pKs->Get (AMPROPSETID_Pin,
AMPROPERTY_PIN_CATEGORY, NULL, 0, &pin_category, sizeof (GUID),
&cbReturned);
/* we only want capture pins */
if (UuidCompare (&pin_category, (UUID *) &PIN_CATEGORY_CAPTURE,
if (UuidCompare (&pin_category, (UUID *) & PIN_CATEGORY_CAPTURE,
&rpcstatus) == 0) {
IAMStreamConfig *streamcaps = NULL;
if (SUCCEEDED (capture_pin->QueryInterface(IID_IAMStreamConfig, (LPVOID *) &streamcaps))) {
if (SUCCEEDED (capture_pin->QueryInterface (IID_IAMStreamConfig,
(LPVOID *) & streamcaps))) {
src->caps =
gst_dshowaudiosrc_getcaps_from_streamcaps (src, capture_pin,
streamcaps);
streamcaps->Release();
streamcaps->Release ();
}
}
pKs->Release();
pKs->Release ();
}
capture_pin->Release();
capture_pin->Release ();
}
enumpins->Release();
enumpins->Release ();
}
}
@ -492,7 +496,7 @@ gst_dshowaudiosrc_change_state (GstElement * element, GstStateChange transition)
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
if (src->media_filter)
hres = src->media_filter->Run(0);
hres = src->media_filter->Run (0);
if (hres != S_OK) {
GST_ERROR ("Can't RUN the directshow capture graph (error=0x%x)", hres);
src->is_running = FALSE;
@ -503,9 +507,10 @@ gst_dshowaudiosrc_change_state (GstElement * element, GstStateChange transition)
break;
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
if (src->media_filter)
hres = src->media_filter->Stop();
hres = src->media_filter->Stop ();
if (hres != S_OK) {
GST_ERROR ("Can't STOP the directshow capture graph (error=0x%x)", hres);
GST_ERROR ("Can't STOP the directshow capture graph (error=0x%x)",
hres);
return GST_STATE_CHANGE_FAILURE;
}
src->is_running = FALSE;
@ -531,26 +536,34 @@ gst_dshowaudiosrc_open (GstAudioSrc * asrc)
hres = CoCreateInstance (CLSID_FilterGraph, NULL, CLSCTX_INPROC,
IID_IFilterGraph, (LPVOID *) & src->filter_graph);
if (hres != S_OK || !src->filter_graph) {
GST_ERROR ("Can't create an instance of the directshow graph manager (error=0x%x)", hres);
GST_ERROR
("Can't create an instance of the directshow graph manager (error=0x%x)",
hres);
goto error;
}
hres = src->filter_graph->QueryInterface(IID_IMediaFilter, (LPVOID *) &src->media_filter);
hres =
src->filter_graph->QueryInterface (IID_IMediaFilter,
(LPVOID *) & src->media_filter);
if (hres != S_OK || !src->media_filter) {
GST_ERROR ("Can't get IMediacontrol interface from the graph manager (error=0x%x)", hres);
GST_ERROR
("Can't get IMediacontrol interface from the graph manager (error=0x%x)",
hres);
goto error;
}
src->dshow_fakesink = new CDshowFakeSink;
src->dshow_fakesink->AddRef();
src->dshow_fakesink->AddRef ();
hres = src->filter_graph->AddFilter(src->audio_cap_filter, L"capture");
hres = src->filter_graph->AddFilter (src->audio_cap_filter, L"capture");
if (hres != S_OK) {
GST_ERROR ("Can't add the directshow capture filter to the graph (error=0x%x)", hres);
GST_ERROR
("Can't add the directshow capture filter to the graph (error=0x%x)",
hres);
goto error;
}
hres = src->filter_graph->AddFilter(src->dshow_fakesink, L"fakesink");
hres = src->filter_graph->AddFilter (src->dshow_fakesink, L"fakesink");
if (hres != S_OK) {
GST_ERROR ("Can't add our fakesink filter to the graph (error=0x%x)", hres);
goto error;
@ -560,16 +573,16 @@ gst_dshowaudiosrc_open (GstAudioSrc * asrc)
error:
if (src->dshow_fakesink) {
src->dshow_fakesink->Release();
src->dshow_fakesink->Release ();
src->dshow_fakesink = NULL;
}
if (src->media_filter) {
src->media_filter->Release();
src->media_filter->Release ();
src->media_filter = NULL;
}
if (src->filter_graph) {
src->filter_graph->Release();
src->filter_graph->Release ();
src->filter_graph = NULL;
}
@ -606,7 +619,7 @@ gst_dshowaudiosrc_prepare (GstAudioSrc * asrc, GstRingBufferSpec * spec)
pin_mediatype = (GstCapturePinMediaType *) type->data;
src->dshow_fakesink->gst_set_media_type (pin_mediatype->mediatype);
src->dshow_fakesink->gst_set_buffer_callback(
src->dshow_fakesink->gst_set_buffer_callback (
(push_buffer_func) gst_dshowaudiosrc_push_buffer, src);
gst_dshow_get_pin_from_filter (src->dshow_fakesink, PINDIR_INPUT,
@ -616,12 +629,14 @@ gst_dshowaudiosrc_prepare (GstAudioSrc * asrc, GstRingBufferSpec * spec)
goto error;
}
hres = src->filter_graph->ConnectDirect(pin_mediatype->capture_pin,
hres = src->filter_graph->ConnectDirect (pin_mediatype->capture_pin,
input_pin, NULL);
input_pin->Release();
input_pin->Release ();
if (hres != S_OK) {
GST_ERROR ("Can't connect capture filter with fakesink filter (error=0x%x)", hres);
GST_ERROR
("Can't connect capture filter with fakesink filter (error=0x%x)",
hres);
goto error;
}
@ -648,14 +663,14 @@ gst_dshowaudiosrc_unprepare (GstAudioSrc * asrc)
gst_dshow_get_pin_from_filter (src->audio_cap_filter, PINDIR_OUTPUT,
&output_pin);
if (output_pin) {
hres = src->filter_graph->Disconnect(output_pin);
output_pin->Release();
hres = src->filter_graph->Disconnect (output_pin);
output_pin->Release ();
}
gst_dshow_get_pin_from_filter (src->dshow_fakesink, PINDIR_INPUT, &input_pin);
if (input_pin) {
hres = src->filter_graph->Disconnect(input_pin);
input_pin->Release();
hres = src->filter_graph->Disconnect (input_pin);
input_pin->Release ();
}
return TRUE;
@ -670,19 +685,19 @@ gst_dshowaudiosrc_close (GstAudioSrc * asrc)
return TRUE;
/*remove filters from the graph */
src->filter_graph->RemoveFilter(src->audio_cap_filter);
src->filter_graph->RemoveFilter(src->dshow_fakesink);
src->filter_graph->RemoveFilter (src->audio_cap_filter);
src->filter_graph->RemoveFilter (src->dshow_fakesink);
/*release our gstreamer dshow sink */
src->dshow_fakesink->Release();
src->dshow_fakesink->Release ();
src->dshow_fakesink = NULL;
/*release media filter interface */
src->media_filter->Release();
src->media_filter->Release ();
src->media_filter = NULL;
/*release the filter graph manager */
src->filter_graph->Release();
src->filter_graph->Release ();
src->filter_graph = NULL;
return TRUE;
@ -760,7 +775,7 @@ gst_dshowaudiosrc_getcaps_from_streamcaps (GstDshowAudioSrc * src, IPin * pin,
if (!streamcaps)
return NULL;
streamcaps->GetNumberOfCapabilities(&icount, &isize);
streamcaps->GetNumberOfCapabilities (&icount, &isize);
if (isize != sizeof (ascc))
return NULL;
@ -768,10 +783,10 @@ gst_dshowaudiosrc_getcaps_from_streamcaps (GstDshowAudioSrc * src, IPin * pin,
for (; i < icount; i++) {
GstCapturePinMediaType *pin_mediatype = g_new0 (GstCapturePinMediaType, 1);
pin->AddRef();
pin->AddRef ();
pin_mediatype->capture_pin = pin;
hres = streamcaps->GetStreamCaps(i, &pin_mediatype->mediatype,
hres = streamcaps->GetStreamCaps (i, &pin_mediatype->mediatype,
(BYTE *) & ascc);
if (hres == S_OK && pin_mediatype->mediatype) {
GstCaps *mediacaps = NULL;
@ -779,7 +794,8 @@ gst_dshowaudiosrc_getcaps_from_streamcaps (GstDshowAudioSrc * src, IPin * pin,
if (!caps)
caps = gst_caps_new_empty ();
if (gst_dshow_check_mediatype (pin_mediatype->mediatype, MEDIASUBTYPE_PCM, FORMAT_WaveFormatEx)) {
if (gst_dshow_check_mediatype (pin_mediatype->mediatype, MEDIASUBTYPE_PCM,
FORMAT_WaveFormatEx)) {
WAVEFORMATEX *wavformat =
(WAVEFORMATEX *) pin_mediatype->mediatype->pbFormat;
mediacaps =

2
sys/dshowsrcwrapper/gstdshowaudiosrc.h
View file

@ -65,7 +65,7 @@ struct _GstDshowAudioSrc
IMediaFilter *media_filter;
IFilterGraph *filter_graph;
/* bytes array*/
/* bytes array */
GByteArray *gbarray;
GMutex *gbarray_lock;

42
sys/dshowsrcwrapper/gstdshowfakesink.cpp
View file

@ -21,28 +21,30 @@
#include "gstdshowfakesink.h"
CDshowFakeSink::CDshowFakeSink() :
m_hres(S_OK),
m_callback(NULL),
m_data(NULL),
CBaseRenderer(CLSID_DshowFakeSink, "DshowFakeSink", NULL, &m_hres)
CDshowFakeSink::CDshowFakeSink ():
m_hres (S_OK),
m_callback (NULL),
m_data (NULL),
CBaseRenderer (CLSID_DshowFakeSink, "DshowFakeSink", NULL, &m_hres)
{
}
STDMETHODIMP CDshowFakeSink::gst_set_media_type (AM_MEDIA_TYPE *pmt)
STDMETHODIMP CDshowFakeSink::gst_set_media_type (AM_MEDIA_TYPE * pmt)
{
m_MediaType.Set (*pmt);
return S_OK;
}
STDMETHODIMP CDshowFakeSink::gst_set_buffer_callback (push_buffer_func push, gpointer data)
STDMETHODIMP
CDshowFakeSink::gst_set_buffer_callback (push_buffer_func push,
gpointer data)
{
m_callback = push;
m_data = data;
return S_OK;
}
HRESULT CDshowFakeSink::CheckMediaType(const CMediaType *pmt)
HRESULT CDshowFakeSink::CheckMediaType (const CMediaType * pmt)
{
if (pmt != NULL) {
if (*pmt == m_MediaType)
@ -52,18 +54,20 @@ HRESULT CDshowFakeSink::CheckMediaType(const CMediaType *pmt)
return S_FALSE;
}
HRESULT CDshowFakeSink::DoRenderSample(IMediaSample *pMediaSample)
HRESULT CDshowFakeSink::DoRenderSample (IMediaSample * pMediaSample)
{
if(pMediaSample && m_callback)
{
BYTE *pBuffer = NULL;
LONGLONG lStart = 0, lStop = 0;
pMediaSample->GetPointer(&pBuffer);
long size = pMediaSample->GetActualDataLength();
pMediaSample->GetTime(&lStart, &lStop);
lStart*=100;
lStop*=100;
m_callback(pBuffer, size, m_data, lStart, lStop);
if (pMediaSample && m_callback) {
BYTE *
pBuffer = NULL;
LONGLONG
lStart = 0, lStop = 0;
pMediaSample->GetPointer (&pBuffer);
long
size = pMediaSample->GetActualDataLength ();
pMediaSample->GetTime (&lStart, &lStop);
lStart *= 100;
lStop *= 100;
m_callback (pBuffer, size, m_data, lStart, lStop);
}
return S_OK;

19
sys/dshowsrcwrapper/gstdshowfakesink.h
View file

@ -26,20 +26,25 @@
//{6A780808-9725-4d0b-8695-A4DD8D210773}
static const GUID CLSID_DshowFakeSink =
{ 0x6a780808, 0x9725, 0x4d0b, { 0x86, 0x95, 0xa4, 0xdd, 0x8d, 0x21, 0x7, 0x73 } };
{ 0x6a780808, 0x9725, 0x4d0b, {0x86, 0x95, 0xa4, 0xdd, 0x8d, 0x21, 0x7,
0x73}
};
typedef bool (*push_buffer_func) (byte *buffer, long size, gpointer src_object, UINT64 start, UINT64 stop);
typedef bool (*push_buffer_func) (byte * buffer, long size, gpointer src_object,
UINT64 start, UINT64 stop);
class CDshowFakeSink : public CBaseRenderer
class CDshowFakeSink:public CBaseRenderer
{
public:
CDshowFakeSink ();
virtual ~CDshowFakeSink () {}
virtual ~ CDshowFakeSink ()
{
}
virtual HRESULT CheckMediaType (const CMediaType *pmt);
virtual HRESULT DoRenderSample (IMediaSample *pMediaSample);
virtual HRESULT CheckMediaType (const CMediaType * pmt);
virtual HRESULT DoRenderSample (IMediaSample * pMediaSample);
STDMETHOD (gst_set_media_type) (AM_MEDIA_TYPE *pmt);
STDMETHOD (gst_set_media_type) (AM_MEDIA_TYPE * pmt);
STDMETHOD (gst_set_buffer_callback) (push_buffer_func push, gpointer data);
protected:

200
sys/dshowsrcwrapper/gstdshowvideosrc.cpp
View file

@ -45,17 +45,14 @@ const GUID MEDIASUBTYPE_I420
static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (
GST_VIDEO_CAPS_BGR ";"
GST_STATIC_CAPS (GST_VIDEO_CAPS_BGR ";"
GST_VIDEO_CAPS_YUV ("{ I420 }") ";"
"video/x-dv,"
"systemstream = (boolean) FALSE,"
"width = (int) [ 1, MAX ],"
"height = (int) [ 1, MAX ],"
"framerate = (fraction) [ 0, MAX ],"
"format = (fourcc) dvsd;"
"video/x-dv,"
"systemstream = (boolean) TRUE")
"format = (fourcc) dvsd;" "video/x-dv," "systemstream = (boolean) TRUE")
);
static void gst_dshowvideosrc_init_interfaces (GType type);
@ -180,13 +177,13 @@ gst_dshowvideosrc_class_init (GstDshowVideoSrcClass * klass)
(gobject_class, PROP_DEVICE,
g_param_spec_string ("device", "Device",
"Directshow device path (@..classID/name)", NULL,
static_cast<GParamFlags>(G_PARAM_READWRITE)));
static_cast < GParamFlags > (G_PARAM_READWRITE)));
g_object_class_install_property
(gobject_class, PROP_DEVICE_NAME,
g_param_spec_string ("device-name", "Device name",
"Human-readable name of the sound device", NULL,
static_cast<GParamFlags>(G_PARAM_READWRITE)));
static_cast < GParamFlags > (G_PARAM_READWRITE)));
GST_DEBUG_CATEGORY_INIT (dshowvideosrc_debug, "dshowvideosrc", 0,
"Directshow video source");
@ -238,10 +235,14 @@ gst_dshowvideosrc_src_fixate (GstBaseSrc * bsrc, GstCaps * caps)
if (res != -1) {
GList *type_pin_mediatype = g_list_nth (src->pins_mediatypes, res);
if (type_pin_mediatype) {
GstCapturePinMediaType *pin_mediatype = (GstCapturePinMediaType *) type_pin_mediatype->data;
gst_structure_fixate_field_nearest_int (structure, "width", pin_mediatype->defaultWidth);
gst_structure_fixate_field_nearest_int (structure, "height", pin_mediatype->defaultHeight);
gst_structure_fixate_field_nearest_fraction (structure, "framerate", pin_mediatype->defaultFPS, 1);
GstCapturePinMediaType *pin_mediatype =
(GstCapturePinMediaType *) type_pin_mediatype->data;
gst_structure_fixate_field_nearest_int (structure, "width",
pin_mediatype->defaultWidth);
gst_structure_fixate_field_nearest_int (structure, "height",
pin_mediatype->defaultHeight);
gst_structure_fixate_field_nearest_fraction (structure, "framerate",
pin_mediatype->defaultFPS, 1);
}
}
}
@ -273,7 +274,7 @@ gst_dshowvideosrc_dispose (GObject * gobject)
/* clean dshow */
if (src->video_cap_filter) {
src->video_cap_filter->Release();
src->video_cap_filter->Release ();
src->video_cap_filter = NULL;
}
@ -354,14 +355,14 @@ gst_dshowvideosrc_get_device_name_values (GstDshowVideoSrc * src)
ULONG fetched;
hres = CoCreateInstance (CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER,
IID_ICreateDevEnum, (LPVOID *) &devices_enum);
IID_ICreateDevEnum, (LPVOID *) & devices_enum);
if (hres != S_OK) {
GST_ERROR ("Can't create system device enumerator (error=0x%x)", hres);
array = NULL;
goto clean;
}
hres = devices_enum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory,
hres = devices_enum->CreateClassEnumerator (CLSID_VideoInputDeviceCategory,
&moniker_enum, 0);
if (hres != S_OK || !moniker_enum) {
GST_ERROR ("Can't get enumeration of video devices (error=0x%x)", hres);
@ -369,20 +370,19 @@ gst_dshowvideosrc_get_device_name_values (GstDshowVideoSrc * src)
goto clean;
}
moniker_enum->Reset();
moniker_enum->Reset ();
while (hres = moniker_enum->Next(1, &moniker, &fetched),
hres == S_OK) {
while (hres = moniker_enum->Next (1, &moniker, &fetched), hres == S_OK) {
IPropertyBag *property_bag = NULL;
hres =
moniker->BindToStorage(NULL, NULL, IID_IPropertyBag,
(LPVOID *) &property_bag);
moniker->BindToStorage (NULL, NULL, IID_IPropertyBag,
(LPVOID *) & property_bag);
if (SUCCEEDED (hres) && property_bag) {
VARIANT varFriendlyName;
VariantInit (&varFriendlyName);
hres = property_bag->Read(L"FriendlyName", &varFriendlyName, NULL);
hres = property_bag->Read (L"FriendlyName", &varFriendlyName, NULL);
if (hres == S_OK && varFriendlyName.bstrVal) {
gchar *friendly_name =
g_utf16_to_utf8 ((const gunichar2 *) varFriendlyName.bstrVal,
@ -396,17 +396,17 @@ gst_dshowvideosrc_get_device_name_values (GstDshowVideoSrc * src)
g_free (friendly_name);
SysFreeString (varFriendlyName.bstrVal);
}
property_bag->Release();
property_bag->Release ();
}
moniker->Release();
moniker->Release ();
}
clean:
if (moniker_enum)
moniker_enum->Release();
moniker_enum->Release ();
if (devices_enum)
devices_enum->Release();
devices_enum->Release ();
return array;
}
@ -500,13 +500,14 @@ gst_dshowvideosrc_get_caps (GstBaseSrc * basesrc)
if (!src->video_cap_filter) {
hres = CreateBindCtx (0, &lpbc);
if (SUCCEEDED (hres)) {
hres = MkParseDisplayName (lpbc, (LPCOLESTR) unidevice, &dwEaten, &videom);
hres =
MkParseDisplayName (lpbc, (LPCOLESTR) unidevice, &dwEaten, &videom);
if (SUCCEEDED (hres)) {
hres = videom->BindToObject(lpbc, NULL, IID_IBaseFilter,
(LPVOID *) &src->video_cap_filter);
videom->Release();
hres = videom->BindToObject (lpbc, NULL, IID_IBaseFilter,
(LPVOID *) & src->video_cap_filter);
videom->Release ();
}
lpbc->Release();
lpbc->Release ();
}
}
@ -520,28 +521,29 @@ gst_dshowvideosrc_get_caps (GstBaseSrc * basesrc)
IEnumPins *enumpins = NULL;
HRESULT hres;
hres = src->video_cap_filter->EnumPins(&enumpins);
hres = src->video_cap_filter->EnumPins (&enumpins);
if (SUCCEEDED (hres)) {
while (enumpins->Next(1, &capture_pin, NULL) == S_OK) {
while (enumpins->Next (1, &capture_pin, NULL) == S_OK) {
IKsPropertySet *pKs = NULL;
hres = capture_pin->QueryInterface(IID_IKsPropertySet, (LPVOID *) &pKs);
hres =
capture_pin->QueryInterface (IID_IKsPropertySet, (LPVOID *) & pKs);
if (SUCCEEDED (hres) && pKs) {
DWORD cbReturned;
GUID pin_category;
RPC_STATUS rpcstatus;
hres =
pKs->Get(AMPROPSETID_Pin,
pKs->Get (AMPROPSETID_Pin,
AMPROPERTY_PIN_CATEGORY, NULL, 0, &pin_category, sizeof (GUID),
&cbReturned);
/* we only want capture pins */
if (UuidCompare (&pin_category, (UUID *) &PIN_CATEGORY_CAPTURE,
if (UuidCompare (&pin_category, (UUID *) & PIN_CATEGORY_CAPTURE,
&rpcstatus) == 0) {
IAMStreamConfig *streamcaps = NULL;
if (SUCCEEDED (capture_pin->QueryInterface(
IID_IAMStreamConfig, (LPVOID *) &streamcaps))) {
if (SUCCEEDED (capture_pin->QueryInterface (IID_IAMStreamConfig,
(LPVOID *) & streamcaps))) {
GstCaps *caps =
gst_dshowvideosrc_getcaps_from_streamcaps (src, capture_pin,
streamcaps);
@ -549,16 +551,16 @@ gst_dshowvideosrc_get_caps (GstBaseSrc * basesrc)
if (caps) {
gst_caps_append (src->caps, caps);
}
streamcaps->Release();
streamcaps->Release ();
}
}
pKs->Release();
pKs->Release ();
}
capture_pin->Release();
capture_pin->Release ();
}
enumpins->Release();
enumpins->Release ();
}
}
@ -586,7 +588,7 @@ gst_dshowvideosrc_change_state (GstElement * element, GstStateChange transition)
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
if (src->media_filter)
hres = src->media_filter->Run(0);
hres = src->media_filter->Run (0);
if (hres != S_OK) {
GST_ERROR ("Can't RUN the directshow capture graph (error=0x%x)", hres);
return GST_STATE_CHANGE_FAILURE;
@ -594,7 +596,7 @@ gst_dshowvideosrc_change_state (GstElement * element, GstStateChange transition)
break;
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
if (src->media_filter)
hres = src->media_filter->Stop();
hres = src->media_filter->Stop ();
if (hres != S_OK) {
GST_ERROR ("Can't STOP the directshow capture graph (error=%d)", hres);
return GST_STATE_CHANGE_FAILURE;
@ -618,27 +620,32 @@ gst_dshowvideosrc_start (GstBaseSrc * bsrc)
hres = CoCreateInstance (CLSID_FilterGraph, NULL, CLSCTX_INPROC,
IID_IFilterGraph, (LPVOID *) & src->filter_graph);
if (hres != S_OK || !src->filter_graph) {
GST_ERROR ("Can't create an instance of the dshow graph manager (error=0x%x)", hres);
GST_ERROR
("Can't create an instance of the dshow graph manager (error=0x%x)",
hres);
goto error;
}
hres = src->filter_graph->QueryInterface(IID_IMediaFilter,
(LPVOID *) &src->media_filter);
hres = src->filter_graph->QueryInterface (IID_IMediaFilter,
(LPVOID *) & src->media_filter);
if (hres != S_OK || !src->media_filter) {
GST_ERROR ("Can't get IMediacontrol interface from the graph manager (error=0x%x)", hres);
GST_ERROR
("Can't get IMediacontrol interface from the graph manager (error=0x%x)",
hres);
goto error;
}
src->dshow_fakesink = new CDshowFakeSink;
src->dshow_fakesink->AddRef();
src->dshow_fakesink->AddRef ();
hres = src->filter_graph->AddFilter(src->video_cap_filter, L"capture");
hres = src->filter_graph->AddFilter (src->video_cap_filter, L"capture");
if (hres != S_OK) {
GST_ERROR ("Can't add video capture filter to the graph (error=0x%x)", hres);
GST_ERROR ("Can't add video capture filter to the graph (error=0x%x)",
hres);
goto error;
}
hres = src->filter_graph->AddFilter(src->dshow_fakesink, L"sink");
hres = src->filter_graph->AddFilter (src->dshow_fakesink, L"sink");
if (hres != S_OK) {
GST_ERROR ("Can't add our fakesink filter to the graph (error=0x%x)", hres);
goto error;
@ -648,16 +655,16 @@ gst_dshowvideosrc_start (GstBaseSrc * bsrc)
error:
if (src->dshow_fakesink) {
src->dshow_fakesink->Release();
src->dshow_fakesink->Release ();
src->dshow_fakesink = NULL;
}
if (src->media_filter) {
src->media_filter->Release();
src->media_filter->Release ();
src->media_filter = NULL;
}
if (src->filter_graph) {
src->filter_graph->Release();
src->filter_graph->Release ();
src->filter_graph = NULL;
}
@ -691,7 +698,8 @@ gst_dshowvideosrc_set_caps (GstBaseSrc * bsrc, GstCaps * caps)
GList *type_pin_mediatype = g_list_nth (src->pins_mediatypes, res);
if (type_pin_mediatype) {
GstCapturePinMediaType *pin_mediatype = (GstCapturePinMediaType *) type_pin_mediatype->data;
GstCapturePinMediaType *pin_mediatype =
(GstCapturePinMediaType *) type_pin_mediatype->data;
gchar *caps_string = NULL;
gchar *src_caps_string = NULL;
@ -708,21 +716,26 @@ gst_dshowvideosrc_set_caps (GstBaseSrc * bsrc, GstCaps * caps)
/* check if the desired video size is valid about granularity */
/* This check will be removed when GST_TYPE_INT_RANGE_STEP exits */
/* See remarks in gst_dshowvideosrc_getcaps_from_streamcaps function */
if (pin_mediatype->granularityWidth != 0 && width % pin_mediatype->granularityWidth != 0)
g_warning ("your desired video size is not valid : %d mod %d !=0\n", width, pin_mediatype->granularityWidth) ;
if (pin_mediatype->granularityHeight !=0 && height % pin_mediatype->granularityHeight != 0)
g_warning ("your desired video size is not valid : %d mod %d !=0\n", height, pin_mediatype->granularityHeight) ;
if (pin_mediatype->granularityWidth != 0
&& width % pin_mediatype->granularityWidth != 0)
g_warning ("your desired video size is not valid : %d mod %d !=0\n",
width, pin_mediatype->granularityWidth);
if (pin_mediatype->granularityHeight != 0
&& height % pin_mediatype->granularityHeight != 0)
g_warning ("your desired video size is not valid : %d mod %d !=0\n",
height, pin_mediatype->granularityHeight);
/* update mediatype */
video_info = (VIDEOINFOHEADER *) pin_mediatype->mediatype->pbFormat;
video_info->bmiHeader.biWidth = width;
video_info->bmiHeader.biHeight = height;
video_info->AvgTimePerFrame = (LONGLONG) (10000000 * denominator / (double)numerator);
video_info->bmiHeader.biSizeImage = DIBSIZE(video_info->bmiHeader);
pin_mediatype->mediatype->lSampleSize = DIBSIZE(video_info->bmiHeader);
video_info->AvgTimePerFrame =
(LONGLONG) (10000000 * denominator / (double) numerator);
video_info->bmiHeader.biSizeImage = DIBSIZE (video_info->bmiHeader);
pin_mediatype->mediatype->lSampleSize = DIBSIZE (video_info->bmiHeader);
src->dshow_fakesink->gst_set_media_type (pin_mediatype->mediatype);
src->dshow_fakesink->gst_set_buffer_callback(
src->dshow_fakesink->gst_set_buffer_callback (
(push_buffer_func) gst_dshowvideosrc_push_buffer, src);
gst_dshow_get_pin_from_filter (src->dshow_fakesink, PINDIR_INPUT,
@ -732,12 +745,14 @@ gst_dshowvideosrc_set_caps (GstBaseSrc * bsrc, GstCaps * caps)
goto error;
}
hres = src->filter_graph->ConnectDirect(pin_mediatype->capture_pin,
hres = src->filter_graph->ConnectDirect (pin_mediatype->capture_pin,
input_pin, pin_mediatype->mediatype);
input_pin->Release();
input_pin->Release ();
if (hres != S_OK) {
GST_ERROR ("Can't connect capture filter with fakesink filter (error=0x%x)", hres);
GST_ERROR
("Can't connect capture filter with fakesink filter (error=0x%x)",
hres);
goto error;
}
@ -779,30 +794,30 @@ gst_dshowvideosrc_stop (GstBaseSrc * bsrc)
gst_dshow_get_pin_from_filter (src->video_cap_filter, PINDIR_OUTPUT,
&output_pin);
if (output_pin) {
hres = src->filter_graph->Disconnect(output_pin);
output_pin->Release();
hres = src->filter_graph->Disconnect (output_pin);
output_pin->Release ();
}
gst_dshow_get_pin_from_filter (src->dshow_fakesink, PINDIR_INPUT, &input_pin);
if (input_pin) {
hres = src->filter_graph->Disconnect(input_pin);
input_pin->Release();
hres = src->filter_graph->Disconnect (input_pin);
input_pin->Release ();
}
/*remove filters from the graph */
src->filter_graph->RemoveFilter(src->video_cap_filter);
src->filter_graph->RemoveFilter(src->dshow_fakesink);
src->filter_graph->RemoveFilter (src->video_cap_filter);
src->filter_graph->RemoveFilter (src->dshow_fakesink);
/*release our gstreamer dshow sink */
src->dshow_fakesink->Release();
src->dshow_fakesink->Release ();
src->dshow_fakesink = NULL;
/*release media filter interface */
src->media_filter->Release();
src->media_filter->Release ();
src->media_filter = NULL;
/*release the filter graph manager */
src->filter_graph->Release();
src->filter_graph->Release ();
src->filter_graph = NULL;
return TRUE;
@ -872,7 +887,7 @@ gst_dshowvideosrc_getcaps_from_streamcaps (GstDshowVideoSrc * src, IPin * pin,
if (!streamcaps)
return NULL;
streamcaps->GetNumberOfCapabilities(&icount, &isize);
streamcaps->GetNumberOfCapabilities (&icount, &isize);
if (isize != sizeof (vscc))
return NULL;
@ -888,20 +903,30 @@ gst_dshowvideosrc_getcaps_from_streamcaps (GstDshowVideoSrc * src, IPin * pin,
GstCaps *mediacaps = NULL;
if (gst_dshow_check_mediatype (pin_mediatype->mediatype, MEDIASUBTYPE_I420, FORMAT_VideoInfo)) {
mediacaps = gst_dshow_new_video_caps (GST_VIDEO_FORMAT_I420, NULL, pin_mediatype);
} else if (gst_dshow_check_mediatype (pin_mediatype->mediatype, MEDIASUBTYPE_RGB24, FORMAT_VideoInfo)) {
mediacaps = gst_dshow_new_video_caps (GST_VIDEO_FORMAT_BGR, NULL, pin_mediatype);
} else if (gst_dshow_check_mediatype (pin_mediatype->mediatype, MEDIASUBTYPE_dvsd, FORMAT_VideoInfo)) {
mediacaps = gst_dshow_new_video_caps (GST_VIDEO_FORMAT_UNKNOWN, "video/x-dv, systemstream=FALSE",
if (gst_dshow_check_mediatype (pin_mediatype->mediatype,
MEDIASUBTYPE_I420, FORMAT_VideoInfo)) {
mediacaps =
gst_dshow_new_video_caps (GST_VIDEO_FORMAT_I420, NULL,
pin_mediatype);
} else if (gst_dshow_check_mediatype (pin_mediatype->mediatype, MEDIASUBTYPE_dvsd, FORMAT_DvInfo)) {
mediacaps = gst_dshow_new_video_caps (GST_VIDEO_FORMAT_UNKNOWN, "video/x-dv, systemstream=TRUE",
} else if (gst_dshow_check_mediatype (pin_mediatype->mediatype,
MEDIASUBTYPE_RGB24, FORMAT_VideoInfo)) {
mediacaps =
gst_dshow_new_video_caps (GST_VIDEO_FORMAT_BGR, NULL,
pin_mediatype);
} else if (gst_dshow_check_mediatype (pin_mediatype->mediatype,
MEDIASUBTYPE_dvsd, FORMAT_VideoInfo)) {
mediacaps =
gst_dshow_new_video_caps (GST_VIDEO_FORMAT_UNKNOWN,
"video/x-dv, systemstream=FALSE", pin_mediatype);
} else if (gst_dshow_check_mediatype (pin_mediatype->mediatype,
MEDIASUBTYPE_dvsd, FORMAT_DvInfo)) {
mediacaps =
gst_dshow_new_video_caps (GST_VIDEO_FORMAT_UNKNOWN,
"video/x-dv, systemstream=TRUE", pin_mediatype);
pin_mediatype->granularityWidth = 0;
pin_mediatype->granularityHeight = 0;
}
@ -964,8 +989,9 @@ gst_dshowvideosrc_push_buffer (byte * buffer, long size, gpointer src_object,
memcpy (GST_BUFFER_DATA (buf), buffer, size);
}
GST_DEBUG ("push_buffer => pts %" GST_TIME_FORMAT "duration %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)), GST_TIME_ARGS (stop - start));
GST_DEBUG ("push_buffer => pts %" GST_TIME_FORMAT "duration %"
GST_TIME_FORMAT, GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)),
GST_TIME_ARGS (stop - start));
/* the negotiate() method already set caps on the source pad */
gst_buffer_set_caps (buf, GST_PAD_CAPS (GST_BASE_SRC_PAD (src)));

9
sys/dshowsrcwrapper/gstdshowvideosrc.h
View file

@ -31,7 +31,8 @@
#include "gstdshowfakesink.h"
// 30323449-0000-0010-8000-00AA00389B71 MEDIASUBTYPE_I420
DEFINE_GUID(MEDIASUBTYPE_I420, 0x30323449, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71);
DEFINE_GUID (MEDIASUBTYPE_I420, 0x30323449, 0x0000, 0x0010, 0x80, 0x00, 0x00,
0xAA, 0x00, 0x38, 0x9B, 0x71);
G_BEGIN_DECLS
#define GST_TYPE_DSHOWVIDEOSRC (gst_dshowvideosrc_get_type())
@ -70,9 +71,9 @@ struct _GstDshowVideoSrc
IFilterGraph *filter_graph;
/* the last buffer from DirectShow */
GCond * buffer_cond;
GMutex * buffer_mutex;
GstBuffer * buffer;
GCond *buffer_cond;
GMutex *buffer_mutex;
GstBuffer *buffer;
gboolean stop_requested;
gboolean is_rgb;