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docs/plugins/gst-plugins-bad-plugins.args: Remove directsoundsink property doc as this sink use the mixer interface now.

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Original commit message from CVS:
* docs/plugins/gst-plugins-bad-plugins.args:
Remove directsoundsink property doc as this sink use the mixer
interface now.
* docs/plugins/gst-plugins-bad-plugins.interfaces:
Add interfaces implemented by Windows sinks.
* sys/directsound/gstdirectsoundsink.c:
* sys/directsound/gstdirectsoundsink.h:
Remove directsoundsink property  and implement the mixer interface.
* win32/vs6/gst_plugins_bad.dsw:
* win32/vs6/libgstdirectsound.dsp:
Update project files.
* gst-libs/gst/dshow/gstdshow.cpp:
* gst-libs/gst/dshow/gstdshow.h:
* gst-libs/gst/dshow/gstdshowfakesink.cpp:
* gst-libs/gst/dshow/gstdshowfakesink.h:
* gst-libs/gst/dshow/gstdshowfakesrc.cpp:
* gst-libs/gst/dshow/gstdshowfakesrc.h:
* gst-libs/gst/dshow/gstdshowinterface.cpp:
* gst-libs/gst/dshow/gstdshowinterface.h:
* win32/common/libgstdshow.def:
* win32/vs6/libgstdshow.dsp:
Add a new gst library which allow to create internal Direct Show
graph (pipelines) to wrap Windows sources, decoders or encoders.
It includes a DirectShow fake source and sink and utility functions.
* sys/dshowsrcwrapper/gstdshowaudiosrc.c:
* sys/dshowsrcwrapper/gstdshowaudiosrc.h:
* sys/dshowsrcwrapper/gstdshowsrcwrapper.c:
* sys/dshowsrcwrapper/gstdshowsrcwrapper.h:
* sys/dshowsrcwrapper/gstdshowvideosrc.c:
* sys/dshowsrcwrapper/gstdshowvideosrc.h:
* win32/vs6/libdshowsrcwrapper.dsp:
Add a new plugin to wrap DirectShow sources on Windows.
It gets data from any webcam, dv cam, micro. We could add
tv tunner card later.
This commit is contained in:
Sébastien Moutte 2007-05-23 22:44:12 +00:00
parent 7935a424b1
commit 0a0c13670a
24 changed files with 3730 additions and 91 deletions
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37
ChangeLog
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@ -1,3 +1,40 @@
2007-05-24 Sebastian Moutte <sebastien@moutte.net>
* docs/plugins/gst-plugins-bad-plugins.args:
Remove directsoundsink property doc as this sink use the mixer
interface now.
* docs/plugins/gst-plugins-bad-plugins.interfaces:
Add interfaces implemented by Windows sinks.
* sys/directsound/gstdirectsoundsink.c:
* sys/directsound/gstdirectsoundsink.h:
Remove directsoundsink property and implement the mixer interface.
* win32/vs6/gst_plugins_bad.dsw:
* win32/vs6/libgstdirectsound.dsp:
Update project files.
* gst-libs/gst/dshow/gstdshow.cpp:
* gst-libs/gst/dshow/gstdshow.h:
* gst-libs/gst/dshow/gstdshowfakesink.cpp:
* gst-libs/gst/dshow/gstdshowfakesink.h:
* gst-libs/gst/dshow/gstdshowfakesrc.cpp:
* gst-libs/gst/dshow/gstdshowfakesrc.h:
* gst-libs/gst/dshow/gstdshowinterface.cpp:
* gst-libs/gst/dshow/gstdshowinterface.h:
* win32/common/libgstdshow.def:
* win32/vs6/libgstdshow.dsp:
Add a new gst library which allow to create internal Direct Show
graph (pipelines) to wrap Windows sources, decoders or encoders.
It includes a DirectShow fake source and sink and utility functions.
* sys/dshowsrcwrapper/gstdshowaudiosrc.c:
* sys/dshowsrcwrapper/gstdshowaudiosrc.h:
* sys/dshowsrcwrapper/gstdshowsrcwrapper.c:
* sys/dshowsrcwrapper/gstdshowsrcwrapper.h:
* sys/dshowsrcwrapper/gstdshowvideosrc.c:
* sys/dshowsrcwrapper/gstdshowvideosrc.h:
* win32/vs6/libdshowsrcwrapper.dsp:
Add a new plugin to wrap DirectShow sources on Windows.
It gets data from any webcam, dv cam, micro. We could add
tv tunner card later.
2007-05-23 Sebastian Dröge <slomo@circular-chaos.org> 2007-05-23 Sebastian Dröge <slomo@circular-chaos.org>
Patch by René Stadler <mail at renestadler dot de>: Patch by René Stadler <mail at renestadler dot de>:

10
docs/plugins/gst-plugins-bad-plugins.args
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@ -17095,16 +17095,6 @@
<DEFAULT>FALSE</DEFAULT> <DEFAULT>FALSE</DEFAULT>
</ARG> </ARG>
<ARG>
<NAME>GstDirectSoundSink::attenuation</NAME>
<TYPE>glong</TYPE>
<RANGE>[-1000,0]</RANGE>
<FLAGS>rw</FLAGS>
<NICK>Attenuation of the sound</NICK>
<BLURB>The attenuation for the directsound buffer (default is 0 so the directsound buffer will not be attenuated).</BLURB>
<DEFAULT>0</DEFAULT>
</ARG>
<ARG> <ARG>
<NAME>GstOSXVideoSink::embed</NAME> <NAME>GstOSXVideoSink::embed</NAME>
<TYPE>gboolean</TYPE> <TYPE>gboolean</TYPE>

2
docs/plugins/gst-plugins-bad-plugins.interfaces
View File

@ -4,3 +4,5 @@ GstSDLVideoSink GstImplementsInterface GstXOverlay GstNavigation
GstDfbVideoSink GstImplementsInterface GstNavigation GstDfbVideoSink GstImplementsInterface GstNavigation
GstNeonhttpSrc GstURIHandler GstNeonhttpSrc GstURIHandler
GstMMS GstURIHandler GstMMS GstURIHandler
GstDirectDrawSink GstImplementsInterface GstXOverlay
GstDirectSoundSink GstImplementsInterface GstMixer

355
gst-libs/gst/dshow/gstdshow.cpp Normal file
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@ -0,0 +1,355 @@
/* GStreamer
* Copyright (C) 2007 Sebastien Moutte <sebastien@moutte.net>
*
* gstdshow.cpp:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "gstdshow.h"
#include "gstdshowfakesink.h"
#include "gstdshowfakesrc.h"
CFactoryTemplate g_Templates[]=
{
{
L"DSHOW fake sink filter"
, &CLSID_DshowFakeSink
, CDshowFakeSink::CreateInstance
, NULL
, NULL
},
{
L"DSHOW fake src filter"
, &CLSID_DshowFakeSrc
, CDshowFakeSrc::CreateInstance
, NULL
, NULL
},
};
int g_cTemplates = sizeof(g_Templates)/sizeof(g_Templates[0]);
static HINSTANCE g_hModule = NULL;
extern "C" BOOL WINAPI DllEntryPoint(HINSTANCE, ULONG, LPVOID);
BOOL APIENTRY DllMain(HANDLE hModule, DWORD dwReason, LPVOID lpReserved)
{
if (!g_hModule)
g_hModule = (HINSTANCE)hModule;
return DllEntryPoint((HINSTANCE)(hModule), dwReason, lpReserved);
}
STDAPI DllRegisterServer()
{
return AMovieDllRegisterServer2 (TRUE);
}
STDAPI DllUnregisterServer()
{
return AMovieDllRegisterServer2 (FALSE);
}
BOOL gst_dshow_register_fakefilters ()
{
return (DllRegisterServer() == S_OK) ? TRUE : FALSE;
}
void
gst_dshow_free_mediatype (AM_MEDIA_TYPE *pmt)
{
if (pmt != NULL) {
if (pmt->cbFormat != 0) {
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 = NULL;
}
CoTaskMemFree(pmt);
}
}
void
gst_dshow_free_pin_mediatype (gpointer pt)
{
GstCapturePinMediaType * pin_mediatype = (GstCapturePinMediaType *) pt;
if (pin_mediatype) {
if (pin_mediatype->capture_pin) {
pin_mediatype->capture_pin->Release();
pin_mediatype->capture_pin = NULL;
}
if (pin_mediatype->mediatype) {
gst_dshow_free_mediatype (pin_mediatype->mediatype);
pin_mediatype->mediatype = NULL;
}
}
}
void
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);
}
g_list_free (pins_mediatypes);
}
gboolean
gst_dshow_get_pin_from_filter (IBaseFilter *filter, PIN_DIRECTION pindir, IPin **pin)
{
gboolean ret = FALSE;
IEnumPins *enumpins = NULL;
IPin *pintmp = NULL;
HRESULT hres;
*pin = NULL;
hres = filter->EnumPins (&enumpins);
if (FAILED(hres)) {
return ret;
}
while (enumpins->Next (1, &pintmp, NULL) == S_OK)
{
PIN_DIRECTION pindirtmp;
hres = pintmp->QueryDirection (&pindirtmp);
if (hres == S_OK && pindir == pindirtmp) {
*pin = pintmp;
ret = TRUE;
break;
}
pintmp->Release ();
}
enumpins->Release ();
return ret;
}
gboolean gst_dshow_find_filter(CLSID input_majortype, CLSID input_subtype,
CLSID output_majortype, CLSID output_subtype,
gchar * prefered_filter_name, IBaseFilter **filter)
{
gboolean ret = FALSE;
HRESULT hres;
GUID arrayInTypes[2];
GUID arrayOutTypes[2];
IFilterMapper2 *mapper = NULL;
IEnumMoniker *enum_moniker = NULL;
IMoniker *moniker = NULL;
ULONG fetched;
gchar *prefered_filter_upper = NULL;
gboolean exit = FALSE;
/* initialize output parameter */
if (filter)
*filter = NULL;
/* create a private copy of prefered filter substring in upper case */
if (prefered_filter_name) {
prefered_filter_upper = g_strdup (prefered_filter_name);
strupr (prefered_filter_upper);
}
hres = CoCreateInstance(CLSID_FilterMapper2, NULL, CLSCTX_INPROC,
IID_IFilterMapper2, (void **) &mapper);
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));
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
&& !exit) {
IBaseFilter *filter_temp = NULL;
IPropertyBag *property_bag = NULL;
gchar * friendly_name = NULL;
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 (friendly_name)
strupr (friendly_name);
SysFreeString (varFriendlyName.bstrVal);
}
property_bag->Release ();
}
hres = moniker->BindToObject(NULL, NULL, IID_IBaseFilter, (void**)&filter_temp);
if(SUCCEEDED(hres) && filter_temp) {
ret = TRUE;
if (filter) {
if (*filter)
(*filter)->Release ();
*filter = filter_temp;
(*filter)->AddRef ();
if (prefered_filter_upper && friendly_name &&
strstr(friendly_name, prefered_filter_upper))
exit = TRUE;
}
/* if we just want to know if the formats are supported OR
if we don't care about what will be the filter used
=> we can stop enumeration */
if (!filter || !prefered_filter_upper)
exit = TRUE;
filter_temp->Release ();
}
if (friendly_name)
g_free (friendly_name);
moniker->Release ();
}
clean:
if (prefered_filter_upper)
g_free (prefered_filter_upper);
if (enum_moniker)
enum_moniker->Release ();
if (mapper)
mapper->Release ();
return ret;
}
gchar *
gst_dshow_getdevice_from_devicename (GUID *device_category, gchar **device_name)
{
gchar *ret = NULL;
ICreateDevEnum *devices_enum = NULL;
IEnumMoniker *enum_moniker = NULL;
IMoniker *moniker = NULL;
HRESULT hres = S_FALSE;
ULONG fetched;
gboolean bfound = FALSE;
hres = CoCreateInstance (CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER,
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*/
goto clean;
}
enum_moniker->Reset ();
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) {
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 (!*device_name) {
*device_name = g_strdup (friendly_name);
}
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);
CoTaskMemFree (wszDisplayName);
}
bfound = TRUE;
}
SysFreeString (varFriendlyName.bstrVal);
}
property_bag->Release ();
}
moniker->Release ();
}
clean:
if (enum_moniker) {
enum_moniker->Release ();
}
if (devices_enum) {
devices_enum->Release ();
}
return ret;
}
gboolean
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.*/
FILTER_INFO FilterInfo;
CAUUID caGUID;
IUnknown *pFilterUnk = NULL;
hres = base_filter->QueryFilterInfo (&FilterInfo);
base_filter->QueryInterface (IID_IUnknown, (void **)&pFilterUnk);
/* Show the page. */
pProp->GetPages (&caGUID);
pProp->Release ();
OleCreatePropertyFrame(GetDesktopWindow(), 0, 0, FilterInfo.achName,
1, &pFilterUnk, caGUID.cElems, caGUID.pElems, 0, 0, NULL);
pFilterUnk->Release ();
FilterInfo.pGraph->Release ();
CoTaskMemFree(caGUID.pElems);
}
return ret;
}

79
gst-libs/gst/dshow/gstdshow.h Normal file
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@ -0,0 +1,79 @@
/* GStreamer
* Copyright (C) 2007 Sebastien Moutte <sebastien@moutte.net>
*
* gstdshow.h:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef _GSTDSHOW_
#define _GSTDSHOW_
#include <windows.h>
#include <glib.h>
#ifdef LIBDSHOW_EXPORTS
#include <streams.h>
#include <atlbase.h>
#define DSHOW_API __declspec(dllexport)
#else
#define DSHOW_API __declspec(dllimport)
#endif
typedef struct _GstCapturePinMediaType
{
AM_MEDIA_TYPE *mediatype;
IPin *capture_pin;
} GstCapturePinMediaType;
#ifdef __cplusplus
extern "C" {
#endif
/* register fake filters as COM object and as Direct Show filters in the registry */
BOOL gst_dshow_register_fakefilters ();
/* free memory of the input pin mediatype */
void gst_dshow_free_pin_mediatype (gpointer pt);
/* free memory of the input dshow mediatype */
void gst_dshow_free_mediatype (AM_MEDIA_TYPE *pmt);
/* free the memory of all mediatypes of the input list if pin mediatype */
void gst_dshow_free_pins_mediatypes (GList *mediatypes);
/* get a pin from directshow filter */
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,
CLSID output_majortype, CLSID output_subtype,
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 (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);
#ifdef __cplusplus
}
#endif
#endif /* _GSTDSHOW_ */

125
gst-libs/gst/dshow/gstdshowfakesink.cpp Normal file
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@ -0,0 +1,125 @@
/* GStreamer
* Copyright (C) 2007 Sebastien Moutte <sebastien@moutte.net>
*
* gstdshowfakesink.cpp:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "gstdshowfakesink.h"
CDshowFakeSink::CDshowFakeSink():CBaseRenderer(CLSID_DshowFakeSink, "DshowFakeSink", NULL, NULL)
{
m_callback = NULL;
}
CDshowFakeSink::~CDshowFakeSink()
{
}
//Object creation.
CUnknown* WINAPI CDshowFakeSink::CreateInstance(LPUNKNOWN pUnk, HRESULT *pHr)
{
CDshowFakeSink *pNewObject = new CDshowFakeSink();
if (pNewObject == NULL) {
*pHr = E_OUTOFMEMORY;
}
return pNewObject;
}
STDMETHODIMP CDshowFakeSink::QueryInterface(REFIID riid, void **ppvObject)
{
if (riid == IID_IGstDshowInterface) {
*ppvObject = (IGstDshowInterface*) this;
AddRef();
return S_OK;
}
else
return CBaseRenderer::QueryInterface (riid, ppvObject);
}
ULONG STDMETHODCALLTYPE CDshowFakeSink::AddRef()
{
return CBaseRenderer::AddRef();
}
ULONG STDMETHODCALLTYPE CDshowFakeSink::Release()
{
return CBaseRenderer::Release();
}
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, byte *data)
{
m_callback = push;
m_data = data;
return S_OK;
}
STDMETHODIMP CDshowFakeSink::gst_push_buffer (byte *buffer, __int64 start, __int64 stop, unsigned int size, bool discount)
{
return E_NOTIMPL;
}
STDMETHODIMP CDshowFakeSink::gst_flush ()
{
return E_NOTIMPL;
}
STDMETHODIMP CDshowFakeSink::gst_set_sample_size(unsigned int size)
{
return E_NOTIMPL;
}
HRESULT CDshowFakeSink::CheckMediaType(const CMediaType *pmt)
{
VIDEOINFOHEADER *p1;
VIDEOINFOHEADER *p2;
if(pmt != NULL)
{
p1 = (VIDEOINFOHEADER *)pmt->Format();
p2 = (VIDEOINFOHEADER *)m_MediaType.Format();
if (*pmt == m_MediaType)
return S_OK;
}
return S_FALSE;
}
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);
}
return S_OK;
}

49
gst-libs/gst/dshow/gstdshowfakesink.h Normal file
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@ -0,0 +1,49 @@
/* GStreamer
* Copyright (C) 2007 Sebastien Moutte <sebastien@moutte.net>
*
* gstdshowfakesink.h:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "gstdshowinterface.h"
class CDshowFakeSink : public CBaseRenderer,
public IGstDshowInterface
{
public:
CDshowFakeSink ();
virtual ~CDshowFakeSink ();
static CUnknown * WINAPI CreateInstance (LPUNKNOWN pUnk, HRESULT *pHr);
virtual HRESULT CheckMediaType (const CMediaType *pmt);
virtual HRESULT DoRenderSample (IMediaSample *pMediaSample);
STDMETHOD (QueryInterface)(REFIID riid, void **ppvObject);
ULONG STDMETHODCALLTYPE AddRef();
ULONG STDMETHODCALLTYPE Release();
STDMETHOD (gst_set_media_type) (AM_MEDIA_TYPE *pmt);
STDMETHOD (gst_set_buffer_callback) (push_buffer_func push, byte *data);
STDMETHOD (gst_push_buffer) (byte *buffer, __int64 start, __int64 stop, unsigned int size, bool discount);
STDMETHOD (gst_flush) ();
STDMETHOD (gst_set_sample_size) (unsigned int size);
protected:
CMediaType m_MediaType;
push_buffer_func m_callback;
byte *m_data;
};

205
gst-libs/gst/dshow/gstdshowfakesrc.cpp Normal file
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@ -0,0 +1,205 @@
/* GStreamer
* Copyright (C) 2007 Sebastien Moutte <sebastien@moutte.net>
*
* gstdshowfakesrc.cpp:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "gstdshowfakesrc.h"
static CCritSec g_pCriticSec;
/* output pin*/
CDshowFakeOutputPin::CDshowFakeOutputPin (CBaseFilter *pFilter, CCritSec *sec):
CBaseOutputPin("FakeOutputPin", pFilter, sec, &m_hres, L"output")
{
}
CDshowFakeOutputPin::~CDshowFakeOutputPin()
{
}
HRESULT CDshowFakeOutputPin::GetMediaType(int iPosition, CMediaType *pMediaType)
{
if(iPosition == 0) {
*pMediaType = m_MediaType;
return S_OK;
}
return VFW_S_NO_MORE_ITEMS;
}
HRESULT CDshowFakeOutputPin::CheckMediaType(const CMediaType *pmt)
{
if (m_MediaType == *pmt) {
return S_OK;
}
return S_FALSE;
}
HRESULT CDshowFakeOutputPin::DecideBufferSize (IMemAllocator *pAlloc, ALLOCATOR_PROPERTIES *ppropInputRequest)
{
ALLOCATOR_PROPERTIES properties;
ppropInputRequest->cbBuffer = m_SampleSize;
ppropInputRequest->cBuffers = 1;
HRESULT hres = pAlloc->SetProperties(ppropInputRequest, &properties);
pAlloc->Commit();
return S_OK;
}
STDMETHODIMP CDshowFakeOutputPin::SetMediaType (AM_MEDIA_TYPE *pmt)
{
m_MediaType.Set (*pmt);
m_SampleSize = m_MediaType.GetSampleSize();
return S_OK;
}
STDMETHODIMP CDshowFakeOutputPin::PushBuffer(byte *buffer, __int64 start, __int64 stop, unsigned int size, bool discount)
{
IMediaSample *pSample = NULL;
if (start != -1) {
start /= 100;
stop /= 100;
}
HRESULT hres = GetDeliveryBuffer(&pSample, NULL, NULL, 0);
if (hres == S_OK && pSample)
{
BYTE *sample_buffer;
pSample->GetPointer(&sample_buffer);
if(sample_buffer)
{
memcpy (sample_buffer, buffer, size);
pSample->SetActualDataLength(size);
}
if (discount)
pSample->SetDiscontinuity(TRUE);
else
pSample->SetDiscontinuity(FALSE);
pSample->SetSyncPoint(TRUE);
pSample->SetPreroll(FALSE);
if (start != -1)
pSample->SetTime(&start, &stop);
hres = Deliver(pSample);
pSample->Release();
}
return S_OK;
}
STDMETHODIMP CDshowFakeOutputPin::Flush ()
{
DeliverBeginFlush();
DeliverEndFlush();
return S_OK;
}
STDMETHODIMP CDshowFakeOutputPin::SetSampleSize (unsigned int size)
{
m_SampleSize = size;
return S_OK;
}
/* filter */
CDshowFakeSrc::CDshowFakeSrc():CBaseFilter("DshowFakeSink", NULL, &g_pCriticSec, CLSID_DshowFakeSrc)
{
m_pOutputPin = new CDshowFakeOutputPin((CSource *)this, m_pLock);
}
CDshowFakeSrc::~CDshowFakeSrc()
{
if (m_pOutputPin)
delete m_pOutputPin;
}
//Object creation.
CUnknown* WINAPI CDshowFakeSrc::CreateInstance(LPUNKNOWN pUnk, HRESULT *pHr)
{
CDshowFakeSrc *pNewObject = new CDshowFakeSrc();
if (pNewObject == NULL) {
*pHr = E_OUTOFMEMORY;
}
return pNewObject;
}
int CDshowFakeSrc::GetPinCount()
{
return 1;
}
CBasePin *CDshowFakeSrc::GetPin(int n)
{
return (CBasePin *)m_pOutputPin;
}
STDMETHODIMP CDshowFakeSrc::QueryInterface(REFIID riid, void **ppvObject)
{
if (riid == IID_IGstDshowInterface) {
*ppvObject = (IGstDshowInterface*) this;
AddRef();
return S_OK;
}
else
return CBaseFilter::QueryInterface (riid, ppvObject);
}
ULONG STDMETHODCALLTYPE CDshowFakeSrc::AddRef()
{
return CBaseFilter::AddRef();
}
ULONG STDMETHODCALLTYPE CDshowFakeSrc::Release()
{
return CBaseFilter::Release();
}
STDMETHODIMP CDshowFakeSrc::gst_set_media_type (AM_MEDIA_TYPE *pmt)
{
m_pOutputPin->SetMediaType(pmt);
return S_OK;
}
STDMETHODIMP CDshowFakeSrc::gst_set_buffer_callback (push_buffer_func push, byte *data)
{
return E_NOTIMPL;
}
STDMETHODIMP CDshowFakeSrc::gst_push_buffer (byte *buffer, __int64 start, __int64 stop, unsigned int size, bool discount)
{
m_pOutputPin->PushBuffer(buffer, start, stop, size, discount);
return S_OK;
}
STDMETHODIMP CDshowFakeSrc::gst_flush ()
{
m_pOutputPin->Flush();
return S_OK;
}
STDMETHODIMP CDshowFakeSrc::gst_set_sample_size(unsigned int size)
{
m_pOutputPin->SetSampleSize(size);
return S_OK;
}

72
gst-libs/gst/dshow/gstdshowfakesrc.h Normal file
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@ -0,0 +1,72 @@
/* GStreamer
* Copyright (C) 2007 Sebastien Moutte <sebastien@moutte.net>
*
* gstdshowfakesrc.h:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "gstdshowinterface.h"
#include <gst/gst.h>
class CDshowFakeOutputPin : public CBaseOutputPin
{
protected:
/* members */
HRESULT m_hres;
CMediaType m_MediaType;
unsigned int m_SampleSize;
public:
/* methods */
CDshowFakeOutputPin (CBaseFilter *pFilter, CCritSec *sec);
~CDshowFakeOutputPin ();
virtual HRESULT CheckMediaType(const CMediaType *pmt);
HRESULT GetMediaType(int iPosition, CMediaType *pMediaType);
virtual HRESULT DecideBufferSize (IMemAllocator *pAlloc, ALLOCATOR_PROPERTIES *ppropInputRequest);
STDMETHOD (SetMediaType) (AM_MEDIA_TYPE *pmt);
STDMETHOD (PushBuffer) (byte *buffer, __int64 start, __int64 stop, unsigned int size, bool discount);
STDMETHOD (Flush) ();
STDMETHOD (SetSampleSize) (unsigned int size);
};
class CDshowFakeSrc : public CBaseFilter,
public IGstDshowInterface
{
public:
/* members */
CDshowFakeOutputPin *m_pOutputPin;
/* methods */
CDshowFakeSrc ();
virtual ~CDshowFakeSrc ();
static CUnknown * WINAPI CreateInstance (LPUNKNOWN pUnk, HRESULT *pHr);
virtual int GetPinCount();
virtual CBasePin *GetPin(int n);
STDMETHOD (QueryInterface)(REFIID riid, void **ppvObject);
ULONG STDMETHODCALLTYPE AddRef();
ULONG STDMETHODCALLTYPE Release();
STDMETHOD (gst_set_media_type) (AM_MEDIA_TYPE *pmt);
STDMETHOD (gst_set_buffer_callback) (push_buffer_func push, byte *data);
STDMETHOD (gst_push_buffer) (byte *buffer, __int64 start, __int64 stop, unsigned int size, bool discount);
STDMETHOD (gst_flush) ();
STDMETHOD (gst_set_sample_size) (unsigned int size);
};

35
gst-libs/gst/dshow/gstdshowinterface.cpp Normal file
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@ -0,0 +1,35 @@
/* GStreamer
* Copyright (C) 2007 Sebastien Moutte <sebastien@moutte.net>
*
* gstdshowinterface.cpp:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "gstdshowinterface.h"
//{6A780808-9725-4d0b-8695-A4DD8D210773}
const GUID CLSID_DshowFakeSink
= { 0x6a780808, 0x9725, 0x4d0b, { 0x86, 0x95, 0xa4, 0xdd, 0x8d, 0x21, 0x7, 0x73 } };
// {1E38DAED-8A6E-4DEA-A482-A878761D11CB}
const GUID CLSID_DshowFakeSrc =
{ 0x1e38daed, 0x8a6e, 0x4dea, { 0xa4, 0x82, 0xa8, 0x78, 0x76, 0x1d, 0x11, 0xcb } };
// {FC36764C-6CD4-4C73-900F-3F40BF3F191A}
static const GUID IID_IGstDshowInterface =
{ 0xfc36764c, 0x6cd4, 0x4c73, { 0x90, 0xf, 0x3f, 0x40, 0xbf, 0x3f, 0x19, 0x1a } };

169
gst-libs/gst/dshow/gstdshowinterface.h Normal file
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@ -0,0 +1,169 @@
/* GStreamer
* Copyright (C) 2007 Sebastien Moutte <sebastien@moutte.net>
*
* gstdshowinterface.h:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_DHOW_INTERFACE_H__
#define __GST_DHOW_INTERFACE_H__
#include "gstdshow.h"
#ifdef LIBDSHOW_EXPORTS
typedef bool (*push_buffer_func) (byte *buffer, long size, byte *src_object, UINT64 start, UINT64 stop);
#endif /* LIBDSHOW_EXPORTS */
/* verify that the <rpcndr.h> version is high enough to compile this file*/
#ifndef __REQUIRED_RPCNDR_H_VERSION__
#define __REQUIRED_RPCNDR_H_VERSION__ 440
#endif
#include "rpc.h"
#include "rpcndr.h"
#ifndef __RPCNDR_H_VERSION__
#error this stub requires an updated version of <rpcndr.h>
#endif // __RPCNDR_H_VERSION__
#ifndef COM_NO_WINDOWS_H
#include "windows.h"
#include "ole2.h"
#endif /*COM_NO_WINDOWS_H*/
#ifdef __cplusplus
extern "C"{
#endif
extern DSHOW_API const GUID CLSID_DshowFakeSink;
extern DSHOW_API const GUID CLSID_DshowFakeSrc;
extern DSHOW_API const GUID IID_IGstDshowInterface;
#define CLSID_DSHOWFAKESINK_STRING "{6A780808-9725-4d0b-8695-A4DD8D210773}"
#define CLSID_DSHOWFAKESRC_STRING "{1E38DAED-8A6E-4DEA-A482-A878761D11CB}"
typedef interface IGstDshowInterface IGstDshowInterface;
/* header files for imported files */
#include "oaidl.h"
#include "ocidl.h"
void __RPC_FAR * __RPC_USER MIDL_user_allocate(size_t);
void __RPC_USER MIDL_user_free( void __RPC_FAR * );
#ifndef __IGstDshowInterface_INTERFACE_DEFINED__
#define __IGstDshowInterface_INTERFACE_DEFINED__
#if defined(__cplusplus) && !defined(CINTERFACE)
MIDL_INTERFACE("542C0A24-8BD1-46cb-AA57-3E46D006D2F3")
IGstDshowInterface : public IUnknown
{
public:
virtual HRESULT STDMETHODCALLTYPE gst_set_media_type(
AM_MEDIA_TYPE __RPC_FAR *pmt) = 0;
virtual HRESULT STDMETHODCALLTYPE gst_set_buffer_callback(
push_buffer_func push, byte *data) = 0;
virtual HRESULT STDMETHODCALLTYPE gst_push_buffer(
byte *buffer, __int64 start, __int64 stop, unsigned int size, bool discount) = 0;
virtual HRESULT STDMETHODCALLTYPE gst_flush() = 0;
virtual HRESULT STDMETHODCALLTYPE gst_set_sample_size(unsigned int size) = 0;
};
#else /* C style interface */
typedef struct IGstDshowInterfaceVtbl
{
BEGIN_INTERFACE
HRESULT ( STDMETHODCALLTYPE __RPC_FAR *QueryInterface )(
IGstDshowInterface __RPC_FAR * This,
REFIID riid,
void __RPC_FAR *__RPC_FAR *ppvObject);
ULONG ( STDMETHODCALLTYPE __RPC_FAR *AddRef )(
IGstDshowInterface __RPC_FAR * This);
ULONG ( STDMETHODCALLTYPE __RPC_FAR *Release )(
IGstDshowInterface __RPC_FAR * This);
HRESULT (STDMETHODCALLTYPE *gst_set_media_type )(
IGstDshowInterface __RPC_FAR * This,
AM_MEDIA_TYPE *pmt);
HRESULT (STDMETHODCALLTYPE *gst_set_buffer_callback) (
IGstDshowInterface __RPC_FAR * This,
byte * push, byte *data);
HRESULT (STDMETHODCALLTYPE *gst_push_buffer) (
IGstDshowInterface __RPC_FAR * This,
byte *buffer, __int64 start, __int64 stop,
unsigned int size, boolean discount);
HRESULT (STDMETHODCALLTYPE *gst_flush) (
IGstDshowInterface __RPC_FAR * This);
HRESULT (STDMETHODCALLTYPE *gst_set_sample_size) (
IGstDshowInterface __RPC_FAR * This,
unsigned int size);
END_INTERFACE
} IGstDshowInterfaceVtbl;
interface IGstDshowInterface
{
CONST_VTBL struct IGstDshowInterfaceVtbl __RPC_FAR *lpVtbl;
};
#define IGstDshowInterface_QueryInterface(This,riid,ppvObject) \
(This)->lpVtbl -> QueryInterface(This,riid,ppvObject)
#define IGstDshowInterface_AddRef(This) \
(This)->lpVtbl -> AddRef(This)
#define IGstDshowInterface_Release(This) \
(This)->lpVtbl -> Release(This)
#define IGstDshowInterface_gst_set_media_type(This, mediatype) \
(This)->lpVtbl -> gst_set_media_type(This, mediatype)
#define IGstDshowInterface_gst_set_buffer_callback(This, push, data) \
(This)->lpVtbl -> gst_set_buffer_callback(This, push, data)
#define IGstDshowInterface_gst_push_buffer(This, buffer, start, stop, size, discount) \
(This)->lpVtbl -> gst_push_buffer(This, buffer, start, stop, size, discount)
#define IGstDshowInterface_gst_flush(This) \
(This)->lpVtbl -> gst_flush(This)
#define IGstDshowInterface_gst_set_sample_size(This, size) \
(This)->lpVtbl -> gst_set_sample_size(This, size)
#endif /* C style interface */
#endif /* __IGstDshowInterface_INTERFACE_DEFINED__ */
#ifdef __cplusplus
}
#endif
#endif /* __GST_DSHOW_INTERFACE_H__ */

199
sys/directsound/gstdirectsoundsink.c
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@ -76,13 +76,8 @@ static void gst_directsound_sink_class_init (GstDirectSoundSinkClass * klass);
static void gst_directsound_sink_init (GstDirectSoundSink * dsoundsink, static void gst_directsound_sink_init (GstDirectSoundSink * dsoundsink,
GstDirectSoundSinkClass * g_class); GstDirectSoundSinkClass * g_class);
static void gst_directsound_sink_finalise (GObject * object); static void gst_directsound_sink_finalise (GObject * object);
static void gst_directsound_sink_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec);
static void gst_directsound_sink_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec);
static GstCaps *gst_directsound_sink_getcaps (GstBaseSink * bsink); static GstCaps *gst_directsound_sink_getcaps (GstBaseSink * bsink);
static gboolean gst_directsound_sink_prepare (GstAudioSink * asink, static gboolean gst_directsound_sink_prepare (GstAudioSink * asink,
GstRingBufferSpec * spec); GstRingBufferSpec * spec);
static gboolean gst_directsound_sink_unprepare (GstAudioSink * asink); static gboolean gst_directsound_sink_unprepare (GstAudioSink * asink);
@ -94,6 +89,12 @@ static guint gst_directsound_sink_write (GstAudioSink * asink, gpointer data,
static guint gst_directsound_sink_delay (GstAudioSink * asink); static guint gst_directsound_sink_delay (GstAudioSink * asink);
static void gst_directsound_sink_reset (GstAudioSink * asink); static void gst_directsound_sink_reset (GstAudioSink * asink);
/* interfaces */
static void gst_directsound_sink_interfaces_init (GType type);
static void
gst_directsound_sink_implements_interface_init (GstImplementsInterfaceClass *
iface);
static void gst_directsound_sink_mixer_interface_init (GstMixerClass * iface);
static GstStaticPadTemplate directsoundsink_sink_factory = static GstStaticPadTemplate directsoundsink_sink_factory =
GST_STATIC_PAD_TEMPLATE ("sink", GST_STATIC_PAD_TEMPLATE ("sink",
@ -110,22 +111,108 @@ static GstStaticPadTemplate directsoundsink_sink_factory =
"depth = (int) 8, " "depth = (int) 8, "
"rate = (int) [ 1, MAX ], " "channels = (int) [ 1, 2 ]")); "rate = (int) [ 1, MAX ], " "channels = (int) [ 1, 2 ]"));
enum GST_BOILERPLATE_FULL (GstDirectSoundSink, gst_directsound_sink, GstAudioSink,
GST_TYPE_AUDIO_SINK, gst_directsound_sink_interfaces_init);
/* interfaces stuff */
static void
gst_directsound_sink_interfaces_init (GType type)
{ {
PROP_0, static const GInterfaceInfo implements_interface_info = {
PROP_ATTENUATION (GInterfaceInitFunc) gst_directsound_sink_implements_interface_init,
NULL,
NULL,
}; };
static void static const GInterfaceInfo mixer_interface_info = {
_do_init (GType directsoundsink_type) (GInterfaceInitFunc) gst_directsound_sink_mixer_interface_init,
{ NULL,
GST_DEBUG_CATEGORY_INIT (directsoundsink_debug, "directsoundsink", 0, NULL,
"DirectSound sink"); };
g_type_add_interface_static (type,
GST_TYPE_IMPLEMENTS_INTERFACE, &implements_interface_info);
g_type_add_interface_static (type, GST_TYPE_MIXER, &mixer_interface_info);
} }
GST_BOILERPLATE_FULL (GstDirectSoundSink, gst_directsound_sink, GstAudioSink, static gboolean
GST_TYPE_AUDIO_SINK, _do_init); gst_directsound_sink_interface_supported (GstImplementsInterface * iface,
GType iface_type)
{
g_return_val_if_fail (iface_type == GST_TYPE_MIXER, FALSE);
/* for the sake of this example, we'll always support it. However, normally,
* you would check whether the device you've opened supports mixers. */
return TRUE;
}
static void
gst_directsound_sink_implements_interface_init (GstImplementsInterfaceClass *
iface)
{
iface->supported = gst_directsound_sink_interface_supported;
}
/*
* This function returns the list of support tracks (inputs, outputs)
* on this element instance. Elements usually build this list during
* _init () or when going from NULL to READY.
*/
static const GList *
gst_directsound_sink_mixer_list_tracks (GstMixer * mixer)
{
GstDirectSoundSink *dsoundsink = GST_DIRECTSOUND_SINK (mixer);
return dsoundsink->tracks;
}
/*
* Set volume. volumes is an array of size track->num_channels, and
* each value in the array gives the wanted volume for one channel
* on the track.
*/
static void
gst_directsound_sink_mixer_set_volume (GstMixer * mixer,
GstMixerTrack * track, gint * volumes)
{
GstDirectSoundSink *dsoundsink = GST_DIRECTSOUND_SINK (mixer);
if (volumes[0] != dsoundsink->volume) {
dsoundsink->volume = volumes[0];
if (dsoundsink->pDSBSecondary) {
/* DirectSound is using attenuation in the following range
* (DSBVOLUME_MIN=-10000, DSBVOLUME_MAX=0) */
glong ds_attenuation = DSBVOLUME_MIN + (dsoundsink->volume * 100);
IDirectSoundBuffer_SetVolume (dsoundsink->pDSBSecondary, ds_attenuation);
}
}
}
static void
gst_directsound_sink_mixer_get_volume (GstMixer * mixer,
GstMixerTrack * track, gint * volumes)
{
GstDirectSoundSink *dsoundsink = GST_DIRECTSOUND_SINK (mixer);
volumes[0] = dsoundsink->volume;
}
static void
gst_directsound_sink_mixer_interface_init (GstMixerClass * iface)
{
/* the mixer interface requires a definition of the mixer type:
* hardware or software? */
GST_MIXER_TYPE (iface) = GST_MIXER_SOFTWARE;
/* virtual function pointers */
iface->list_tracks = gst_directsound_sink_mixer_list_tracks;
iface->set_volume = gst_directsound_sink_mixer_set_volume;
iface->get_volume = gst_directsound_sink_mixer_get_volume;
}
static void static void
gst_directsound_sink_finalise (GObject * object) gst_directsound_sink_finalise (GObject * object)
@ -134,6 +221,12 @@ gst_directsound_sink_finalise (GObject * object)
g_mutex_free (dsoundsink->dsound_lock); g_mutex_free (dsoundsink->dsound_lock);
if (dsoundsink->tracks) {
g_list_foreach (dsoundsink->tracks, (GFunc) g_object_unref, NULL);
g_list_free (dsoundsink->tracks);
dsoundsink->tracks = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object); G_OBJECT_CLASS (parent_class)->finalize (object);
} }
@ -162,13 +255,12 @@ gst_directsound_sink_class_init (GstDirectSoundSinkClass * klass)
gstbaseaudiosink_class = (GstBaseAudioSinkClass *) klass; gstbaseaudiosink_class = (GstBaseAudioSinkClass *) klass;
gstaudiosink_class = (GstAudioSinkClass *) klass; gstaudiosink_class = (GstAudioSinkClass *) klass;
GST_DEBUG_CATEGORY_INIT (directsoundsink_debug, "directsoundsink", 0,
"DirectSound sink");
parent_class = g_type_class_peek_parent (klass); parent_class = g_type_class_peek_parent (klass);
gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_directsound_sink_finalise); gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_directsound_sink_finalise);
gobject_class->get_property =
GST_DEBUG_FUNCPTR (gst_directsound_sink_get_property);
gobject_class->set_property =
GST_DEBUG_FUNCPTR (gst_directsound_sink_set_property);
gstbasesink_class->get_caps = gstbasesink_class->get_caps =
GST_DEBUG_FUNCPTR (gst_directsound_sink_getcaps); GST_DEBUG_FUNCPTR (gst_directsound_sink_getcaps);
@ -182,69 +274,28 @@ gst_directsound_sink_class_init (GstDirectSoundSinkClass * klass)
gstaudiosink_class->write = GST_DEBUG_FUNCPTR (gst_directsound_sink_write); gstaudiosink_class->write = GST_DEBUG_FUNCPTR (gst_directsound_sink_write);
gstaudiosink_class->delay = GST_DEBUG_FUNCPTR (gst_directsound_sink_delay); gstaudiosink_class->delay = GST_DEBUG_FUNCPTR (gst_directsound_sink_delay);
gstaudiosink_class->reset = GST_DEBUG_FUNCPTR (gst_directsound_sink_reset); gstaudiosink_class->reset = GST_DEBUG_FUNCPTR (gst_directsound_sink_reset);
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_ATTENUATION,
g_param_spec_long ("attenuation", "Attenuation of the sound",
"The attenuation for the directsound buffer (default is 0 so the directsound buffer will not be attenuated)",
-10000, 0, 0, G_PARAM_READWRITE));
}
static void
gst_directsound_sink_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstDirectSoundSink *dsoundsink;
dsoundsink = GST_DIRECTSOUND_SINK (object);
switch (prop_id) {
case PROP_ATTENUATION:
{
glong attenuation = g_value_get_long (value);
if (attenuation != dsoundsink->attenuation) {
dsoundsink->attenuation = attenuation;
if (dsoundsink->pDSBSecondary)
IDirectSoundBuffer_SetVolume (dsoundsink->pDSBSecondary,
dsoundsink->attenuation);
}
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_directsound_sink_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstDirectSoundSink *dsoundsink;
dsoundsink = GST_DIRECTSOUND_SINK (object);
switch (prop_id) {
case PROP_ATTENUATION:
g_value_set_long (value, dsoundsink->attenuation);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
} }
static void static void
gst_directsound_sink_init (GstDirectSoundSink * dsoundsink, gst_directsound_sink_init (GstDirectSoundSink * dsoundsink,
GstDirectSoundSinkClass * g_class) GstDirectSoundSinkClass * g_class)
{ {
GstMixerTrack *track = NULL;
dsoundsink->tracks = NULL;
track = g_object_new (GST_TYPE_MIXER_TRACK, NULL);
track->label = g_strdup ("DSoundTrack");
track->num_channels = 2;
track->min_volume = 0;
track->max_volume = 100;
track->flags = GST_MIXER_TRACK_OUTPUT;
dsoundsink->tracks = g_list_append (dsoundsink->tracks, track);
dsoundsink->pDS = NULL; dsoundsink->pDS = NULL;
dsoundsink->pDSBSecondary = NULL; dsoundsink->pDSBSecondary = NULL;
dsoundsink->current_circular_offset = 0; dsoundsink->current_circular_offset = 0;
dsoundsink->buffer_size = DSBSIZE_MIN; dsoundsink->buffer_size = DSBSIZE_MIN;
dsoundsink->attenuation = 0; dsoundsink->volume = 100;
dsoundsink->dsound_lock = g_mutex_new (); dsoundsink->dsound_lock = g_mutex_new ();
dsoundsink->first_buffer_after_reset = FALSE; dsoundsink->first_buffer_after_reset = FALSE;
} }
@ -335,10 +386,6 @@ gst_directsound_sink_prepare (GstAudioSink * asink, GstRingBufferSpec * spec)
return FALSE; return FALSE;
} }
if (dsoundsink->attenuation != 0)
IDirectSoundBuffer_SetVolume (dsoundsink->pDSBSecondary,
dsoundsink->attenuation);
return TRUE; return TRUE;
} }

14
sys/directsound/gstdirectsoundsink.h
View File

@ -30,6 +30,7 @@
#include <gst/gst.h> #include <gst/gst.h>
#include <gst/audio/gstaudiosink.h> #include <gst/audio/gstaudiosink.h>
#include <gst/interfaces/mixer.h>
#include <windows.h> #include <windows.h>
#include <dxerr9.h> #include <dxerr9.h>
@ -51,20 +52,27 @@ struct _GstDirectSoundSink
{ {
GstAudioSink sink; GstAudioSink sink;
/* directsound object interface pointer */
LPDIRECTSOUND pDS; LPDIRECTSOUND pDS;
/* directsound sound object interface pointer */
LPDIRECTSOUNDBUFFER pDSBSecondary; LPDIRECTSOUNDBUFFER pDSBSecondary;
/*DirectSound buffer size */ /* directSound buffer size */
guint buffer_size; guint buffer_size;
/*Offset of the circular buffer where we must write next */ /* offset of the circular buffer where we must write next */
guint current_circular_offset; guint current_circular_offset;
guint bytes_per_sample; guint bytes_per_sample;
glong attenuation; /* current volume setup by mixer interface */
glong volume;
/* tracks list of our mixer interface implementation */
GList *tracks;
/* lock used to protect writes and resets */
GMutex *dsound_lock; GMutex *dsound_lock;
gboolean first_buffer_after_reset; gboolean first_buffer_after_reset;

879
sys/dshowsrcwrapper/gstdshowaudiosrc.c Normal file
View File

@ -0,0 +1,879 @@
/* GStreamer
* Copyright (C) 2007 Sebastien Moutte <sebastien@moutte.net>
*
* gstdshowaudiosrc.c:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "gstdshowaudiosrc.h"
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
static const GstElementDetails gst_dshowaudiosrc_details =
GST_ELEMENT_DETAILS ("Directshow audio capture source",
"Source/Audio",
"Receive data from a directshow audio capture graph",
"Sebastien Moutte <sebastien@moutte.net>");
GST_DEBUG_CATEGORY_STATIC (dshowaudiosrc_debug);
#define GST_CAT_DEFAULT dshowaudiosrc_debug
static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-raw-int, "
"endianness = (int) { " G_STRINGIFY (G_BYTE_ORDER) " }, "
"signed = (boolean) { TRUE, FALSE }, "
"width = (int) 16, "
"depth = (int) 16, "
"rate = (int) [ 1, MAX ], " "channels = (int) [ 1, 2 ]; "
"audio/x-raw-int, "
"signed = (boolean) { TRUE, FALSE }, "
"width = (int) 8, "
"depth = (int) 8, "
"rate = (int) [ 1, MAX ], " "channels = (int) [ 1, 2 ]")
);
static void gst_dshowaudiosrc_init_interfaces (GType type);
GST_BOILERPLATE_FULL (GstDshowAudioSrc, gst_dshowaudiosrc, GstAudioSrc,
GST_TYPE_AUDIO_SRC, gst_dshowaudiosrc_init_interfaces);
enum
{
PROP_0,
PROP_DEVICE,
PROP_DEVICE_NAME
};
static void gst_dshowaudiosrc_probe_interface_init (GstPropertyProbeInterface *
iface);
static const GList *gst_dshowaudiosrc_probe_get_properties (GstPropertyProbe *
probe);
static GValueArray *gst_dshowaudiosrc_probe_get_values (GstPropertyProbe *
probe, guint prop_id, const GParamSpec * pspec);
static GValueArray *gst_dshowaudiosrc_get_device_name_values (GstDshowAudioSrc *
src);
static void gst_dshowaudiosrc_dispose (GObject * gobject);
static void gst_dshowaudiosrc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_dshowaudiosrc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstCaps *gst_dshowaudiosrc_get_caps (GstBaseSrc * src);
static GstStateChangeReturn gst_dshowaudiosrc_change_state (GstElement *
element, GstStateChange transition);
static gboolean gst_dshowaudiosrc_open (GstAudioSrc * asrc);
static gboolean gst_dshowaudiosrc_prepare (GstAudioSrc * asrc,
GstRingBufferSpec * spec);
static gboolean gst_dshowaudiosrc_unprepare (GstAudioSrc * asrc);
static gboolean gst_dshowaudiosrc_close (GstAudioSrc * asrc);
static guint gst_dshowaudiosrc_read (GstAudioSrc * asrc, gpointer data,
guint length);
static guint gst_dshowaudiosrc_delay (GstAudioSrc * asrc);
static void gst_dshowaudiosrc_reset (GstAudioSrc * asrc);
/* utils */
static GstCaps *gst_dshowaudiosrc_getcaps_from_streamcaps (GstDshowAudioSrc *
src, IPin * pin, IAMStreamConfig * streamcaps);
static gboolean gst_dshowaudiosrc_push_buffer (byte * buffer, long size,
byte * src_object, UINT64 start, UINT64 stop);
static void
gst_dshowaudiosrc_init_interfaces (GType type)
{
static const GInterfaceInfo dshowaudiosrc_info = {
(GInterfaceInitFunc) gst_dshowaudiosrc_probe_interface_init,
NULL,
NULL,
};
g_type_add_interface_static (type,
GST_TYPE_PROPERTY_PROBE, &dshowaudiosrc_info);
}
static void
gst_dshowaudiosrc_probe_interface_init (GstPropertyProbeInterface * iface)
{
iface->get_properties = gst_dshowaudiosrc_probe_get_properties;
/* iface->needs_probe = gst_dshowaudiosrc_probe_needs_probe;
iface->probe_property = gst_dshowaudiosrc_probe_probe_property;*/
iface->get_values = gst_dshowaudiosrc_probe_get_values;
}
static void
gst_dshowaudiosrc_base_init (gpointer klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&src_template));
gst_element_class_set_details (element_class, &gst_dshowaudiosrc_details);
}
static void
gst_dshowaudiosrc_class_init (GstDshowAudioSrcClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstBaseSrcClass *gstbasesrc_class;
GstAudioSrcClass *gstaudiosrc_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gstbasesrc_class = (GstBaseSrcClass *) klass;
gstaudiosrc_class = (GstAudioSrcClass *) klass;
gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_dshowaudiosrc_dispose);
gobject_class->set_property =
GST_DEBUG_FUNCPTR (gst_dshowaudiosrc_set_property);
gobject_class->get_property =
GST_DEBUG_FUNCPTR (gst_dshowaudiosrc_get_property);
gstelement_class->change_state =
GST_DEBUG_FUNCPTR (gst_dshowaudiosrc_change_state);
gstbasesrc_class->get_caps = GST_DEBUG_FUNCPTR (gst_dshowaudiosrc_get_caps);
gstaudiosrc_class->open = GST_DEBUG_FUNCPTR (gst_dshowaudiosrc_open);
gstaudiosrc_class->prepare = GST_DEBUG_FUNCPTR (gst_dshowaudiosrc_prepare);
gstaudiosrc_class->unprepare =
GST_DEBUG_FUNCPTR (gst_dshowaudiosrc_unprepare);
gstaudiosrc_class->close = GST_DEBUG_FUNCPTR (gst_dshowaudiosrc_close);
gstaudiosrc_class->read = GST_DEBUG_FUNCPTR (gst_dshowaudiosrc_read);
gstaudiosrc_class->delay = GST_DEBUG_FUNCPTR (gst_dshowaudiosrc_delay);
gstaudiosrc_class->reset = GST_DEBUG_FUNCPTR (gst_dshowaudiosrc_reset);
g_object_class_install_property
(gobject_class, PROP_DEVICE,
g_param_spec_string ("device", "Device",
"Directshow device reference (classID/name)",
NULL, 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, G_PARAM_READWRITE));
GST_DEBUG_CATEGORY_INIT (dshowaudiosrc_debug, "dshowaudiosrc", 0,
"Directshow audio source");
}
static void
gst_dshowaudiosrc_init (GstDshowAudioSrc * src, GstDshowAudioSrcClass * klass)
{
src->device = NULL;
src->device_name = NULL;
src->audio_cap_filter = NULL;
src->dshow_fakesink = NULL;
src->media_filter = NULL;
src->filter_graph = NULL;
src->caps = NULL;
src->pins_mediatypes = NULL;
src->gbarray = g_byte_array_new ();
src->gbarray_lock = g_mutex_new ();
src->is_running = FALSE;
CoInitializeEx (NULL, COINIT_MULTITHREADED);
}
static void
gst_dshowaudiosrc_dispose (GObject * gobject)
{
GstDshowAudioSrc *src = GST_DSHOWAUDIOSRC (gobject);
if (src->device) {
g_free (src->device);
src->device = NULL;
}
if (src->device_name) {
g_free (src->device_name);
src->device_name = NULL;
}
if (src->caps) {
gst_caps_unref (src->caps);
src->caps = NULL;
}
if (src->pins_mediatypes) {
gst_dshow_free_pins_mediatypes (src->pins_mediatypes);
src->pins_mediatypes = NULL;
}
if (src->gbarray) {
g_byte_array_free (src->gbarray, TRUE);
src->gbarray = NULL;
}
if (src->gbarray_lock) {
g_mutex_free (src->gbarray_lock);
src->gbarray_lock = NULL;
}
/* clean dshow */
if (src->audio_cap_filter) {
IBaseFilter_Release (src->audio_cap_filter);
}
CoUninitialize ();
}
static const GList *
gst_dshowaudiosrc_probe_get_properties (GstPropertyProbe * probe)
{
GObjectClass *klass = G_OBJECT_GET_CLASS (probe);
static GList *props = NULL;
if (!props) {
GParamSpec *pspec;
pspec = g_object_class_find_property (klass, "device_name");
props = g_list_append (props, pspec);
}
return props;
}
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 GValueArray *
gst_dshowaudiosrc_probe_get_values (GstPropertyProbe * probe,
guint prop_id, const GParamSpec * pspec)
{
GstDshowAudioSrc *src = GST_DSHOWAUDIOSRC (probe);
GValueArray *array = NULL;
switch (prop_id) {
case PROP_DEVICE_NAME:
array = gst_dshowaudiosrc_get_device_name_values (src);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
break;
}
return array;
}
static void
gst_dshowaudiosrc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstDshowAudioSrc *src = GST_DSHOWAUDIOSRC (object);
switch (prop_id) {
case PROP_DEVICE:
{
if (src->device) {
g_free (src->device);
src->device = NULL;
}
if (g_value_get_string (value)) {
src->device = g_strdup (g_value_get_string (value));
}
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_dshowaudiosrc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
}
static GstCaps *
gst_dshowaudiosrc_get_caps (GstBaseSrc * basesrc)
{
HRESULT hres = S_OK;
IBindCtx *lpbc = NULL;
IMoniker *audiom = NULL;
DWORD dwEaten;
GstDshowAudioSrc *src = GST_DSHOWAUDIOSRC (basesrc);
gunichar2 *unidevice = NULL;
if (src->device) {
g_free (src->device);
src->device = NULL;
}
src->device =
gst_dshow_getdevice_from_devicename (&CLSID_AudioInputDeviceCategory,
&src->device_name);
if (!src->device) {
GST_CAT_ERROR (dshowaudiosrc_debug, "No audio device found.");
return NULL;
}
unidevice =
g_utf8_to_utf16 (src->device, strlen (src->device), NULL, NULL, NULL);
if (!src->audio_cap_filter) {
hres = CreateBindCtx (0, &lpbc);
if (SUCCEEDED (hres)) {
hres = MkParseDisplayName (lpbc, unidevice, &dwEaten, &audiom);
if (SUCCEEDED (hres)) {
hres =
IMoniker_BindToObject (audiom, lpbc, NULL, &IID_IBaseFilter,
&src->audio_cap_filter);
IMoniker_Release (audiom);
}
IBindCtx_Release (lpbc);
}
}
if (src->audio_cap_filter && !src->caps) {
/* get the capture pins supported types */
IPin *capture_pin = NULL;
IEnumPins *enumpins = NULL;
HRESULT hres;
hres = IBaseFilter_EnumPins (src->audio_cap_filter, &enumpins);
if (SUCCEEDED (hres)) {
while (IEnumPins_Next (enumpins, 1, &capture_pin, NULL) == S_OK) {
IKsPropertySet *pKs = NULL;
hres =
IPin_QueryInterface (capture_pin, &IID_IKsPropertySet,
(void **) &pKs);
if (SUCCEEDED (hres) && pKs) {
DWORD cbReturned;
GUID pin_category;
RPC_STATUS rpcstatus;
hres =
IKsPropertySet_Get (pKs, &AMPROPSETID_Pin,
AMPROPERTY_PIN_CATEGORY, NULL, 0, &pin_category, sizeof (GUID),
&cbReturned);
/* we only want capture pins */
if (UuidCompare (&pin_category, &PIN_CATEGORY_CAPTURE,
&rpcstatus) == 0) {
IAMStreamConfig *streamcaps = NULL;
if (SUCCEEDED (IPin_QueryInterface (capture_pin,
&IID_IAMStreamConfig, (void **) &streamcaps))) {
src->caps =
gst_dshowaudiosrc_getcaps_from_streamcaps (src, capture_pin,
streamcaps);
IAMStreamConfig_Release (streamcaps);
}
}
IKsPropertySet_Release (pKs);
}
IPin_Release (capture_pin);
}
IEnumPins_Release (enumpins);
}
}
if (unidevice) {
g_free (unidevice);
}
if (src->caps) {
return gst_caps_ref (src->caps);
}
return NULL;
}
static GstStateChangeReturn
gst_dshowaudiosrc_change_state (GstElement * element, GstStateChange transition)
{
HRESULT hres = S_FALSE;
GstDshowAudioSrc *src = GST_DSHOWAUDIOSRC (element);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
if (src->media_filter)
hres = IMediaFilter_Run (src->media_filter, 0);
if (hres != S_OK) {
GST_CAT_ERROR (dshowaudiosrc_debug,
"Can't RUN the directshow capture graph (error=%d)", hres);
src->is_running = FALSE;
return GST_STATE_CHANGE_FAILURE;
} else {
src->is_running = TRUE;
}
break;
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
if (src->media_filter)
hres = IMediaFilter_Stop (src->media_filter);
if (hres != S_OK) {
GST_CAT_ERROR (dshowaudiosrc_debug,
"Can't STOP the directshow capture graph (error=%d)", hres);
return GST_STATE_CHANGE_FAILURE;
}
src->is_running = FALSE;
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_NULL:
break;
default:
break;
}
return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
}
static gboolean
gst_dshowaudiosrc_open (GstAudioSrc * asrc)
{
HRESULT hres = S_FALSE;
GstDshowAudioSrc *src = GST_DSHOWAUDIOSRC (asrc);
hres = CoCreateInstance (&CLSID_FilterGraph, NULL, CLSCTX_INPROC,
&IID_IFilterGraph, (LPVOID *) & src->filter_graph);
if (hres != S_OK || !src->filter_graph) {
GST_CAT_ERROR (dshowaudiosrc_debug,
"Can't create an instance of the directshow graph manager (error=%d)",
hres);
goto error;
}
hres = IFilterGraph_QueryInterface (src->filter_graph, &IID_IMediaFilter,
(void **) &src->media_filter);
if (hres != S_OK || !src->media_filter) {
GST_CAT_ERROR (dshowaudiosrc_debug,
"Can't get IMediacontrol interface from the graph manager (error=%d)",
hres);
goto error;
}
hres = CoCreateInstance (&CLSID_DshowFakeSink, NULL, CLSCTX_INPROC,
&IID_IBaseFilter, (LPVOID *) & src->dshow_fakesink);
if (hres != S_OK || !src->dshow_fakesink) {
GST_CAT_ERROR (dshowaudiosrc_debug,
"Can't create an instance of the directshow fakesink (error=%d)", hres);
goto error;
}
hres =
IFilterGraph_AddFilter (src->filter_graph, src->audio_cap_filter,
L"capture");
if (hres != S_OK) {
GST_CAT_ERROR (dshowaudiosrc_debug,
"Can't add the directshow capture filter to the graph (error=%d)",
hres);
goto error;
}
hres =
IFilterGraph_AddFilter (src->filter_graph, src->dshow_fakesink,
L"fakesink");
if (hres != S_OK) {
GST_CAT_ERROR (dshowaudiosrc_debug,
"Can't add our fakesink filter to the graph (error=%d)", hres);
goto error;
}
return TRUE;
error:
if (src->dshow_fakesink) {
IBaseFilter_Release (src->dshow_fakesink);
src->dshow_fakesink = NULL;
}
if (src->media_filter) {
IMediaFilter_Release (src->media_filter);
src->media_filter = NULL;
}
if (src->filter_graph) {
IFilterGraph_Release (src->filter_graph);
src->filter_graph = NULL;
}
return FALSE;
}
static gboolean
gst_dshowaudiosrc_prepare (GstAudioSrc * asrc, GstRingBufferSpec * spec)
{
HRESULT hres;
IGstDshowInterface *srcinterface = NULL;
IPin *input_pin = NULL;
GstDshowAudioSrc *src = GST_DSHOWAUDIOSRC (asrc);
/* search the negociated caps in our caps list to get its index and the corresponding mediatype */
if (gst_caps_is_subset (spec->caps, src->caps)) {
guint i = 0;
gint res = -1;
for (; i < gst_caps_get_size (src->caps) && res == -1; i++) {
GstCaps *capstmp = gst_caps_copy_nth (src->caps, i);
if (gst_caps_is_subset (spec->caps, capstmp)) {
res = i;
}
gst_caps_unref (capstmp);
}
if (res != -1 && src->pins_mediatypes) {
/*get the corresponding media type and build the dshow graph */
GstCapturePinMediaType *pin_mediatype = NULL;
GList *type = g_list_nth (src->pins_mediatypes, res);
if (type) {
pin_mediatype = (GstCapturePinMediaType *) type->data;
hres =
IBaseFilter_QueryInterface (src->dshow_fakesink,
&IID_IGstDshowInterface, (void **) &srcinterface);
if (hres != S_OK || !srcinterface) {
GST_CAT_ERROR (dshowaudiosrc_debug,
"Can't get IGstDshowInterface interface from our dshow fakesink filter (error=%d)",
hres);
goto error;
}
IGstDshowInterface_gst_set_media_type (srcinterface,
pin_mediatype->mediatype);
IGstDshowInterface_gst_set_buffer_callback (srcinterface,
gst_dshowaudiosrc_push_buffer, (byte *) src);
if (srcinterface) {
IGstDshowInterface_Release (srcinterface);
}
gst_dshow_get_pin_from_filter (src->dshow_fakesink, PINDIR_INPUT,
&input_pin);
if (!input_pin) {
GST_CAT_ERROR (dshowaudiosrc_debug,
"Can't get input pin from our directshow fakesink filter");
goto error;
}
hres =
IFilterGraph_ConnectDirect (src->filter_graph,
pin_mediatype->capture_pin, input_pin, NULL);
IPin_Release (input_pin);
if (hres != S_OK) {
GST_CAT_ERROR (dshowaudiosrc_debug,
"Can't connect capture filter with fakesink filter (error=%d)",
hres);
goto error;
}
spec->segsize = spec->rate * spec->channels;
spec->segtotal = 1;
}
}
}
return TRUE;
error:
if (srcinterface) {
IGstDshowInterface_Release (srcinterface);
}
return FALSE;
}
static gboolean
gst_dshowaudiosrc_unprepare (GstAudioSrc * asrc)
{
IPin *input_pin = NULL, *output_pin = NULL;
HRESULT hres = S_FALSE;
GstDshowAudioSrc *src = GST_DSHOWAUDIOSRC (asrc);
/* disconnect filters */
gst_dshow_get_pin_from_filter (src->audio_cap_filter, PINDIR_OUTPUT,
&output_pin);
if (output_pin) {
hres = IFilterGraph_Disconnect (src->filter_graph, output_pin);
IPin_Release (output_pin);
}
gst_dshow_get_pin_from_filter (src->dshow_fakesink, PINDIR_INPUT, &input_pin);
if (input_pin) {
hres = IFilterGraph_Disconnect (src->filter_graph, input_pin);
IPin_Release (input_pin);
}
return TRUE;
}
static gboolean
gst_dshowaudiosrc_close (GstAudioSrc * asrc)
{
GstDshowAudioSrc *src = GST_DSHOWAUDIOSRC (asrc);
if (!src->filter_graph)
return TRUE;
/*remove filters from the graph */
IFilterGraph_RemoveFilter (src->filter_graph, src->audio_cap_filter);
IFilterGraph_RemoveFilter (src->filter_graph, src->dshow_fakesink);
/*release our gstreamer dshow sink */
IBaseFilter_Release (src->dshow_fakesink);
src->dshow_fakesink = NULL;
/*release media filter interface */
IMediaFilter_Release (src->media_filter);
src->media_filter = NULL;
/*release the filter graph manager */
IFilterGraph_Release (src->filter_graph);
src->filter_graph = NULL;
return TRUE;
}
static guint
gst_dshowaudiosrc_read (GstAudioSrc * asrc, gpointer data, guint length)
{
GstDshowAudioSrc *src = GST_DSHOWAUDIOSRC (asrc);
guint ret = 0;
if (!src->is_running)
return -1;
if (src->gbarray) {
test:
if (src->gbarray->len >= length) {
g_mutex_lock (src->gbarray_lock);
memcpy (data, src->gbarray->data + (src->gbarray->len - length), length);
g_byte_array_remove_range (src->gbarray, src->gbarray->len - length,
length);
ret = length;
g_mutex_unlock (src->gbarray_lock);
} else {
if (src->is_running) {
Sleep (100);
goto test;
}
}
}
return ret;
}
static guint
gst_dshowaudiosrc_delay (GstAudioSrc * asrc)
{
GstDshowAudioSrc *src = GST_DSHOWAUDIOSRC (asrc);
guint ret = 0;
if (src->gbarray) {
g_mutex_lock (src->gbarray_lock);
if (src->gbarray->len) {
ret = src->gbarray->len / 4;
}
g_mutex_unlock (src->gbarray_lock);
}
return ret;
}
static void
gst_dshowaudiosrc_reset (GstAudioSrc * asrc)
{
GstDshowAudioSrc *src = GST_DSHOWAUDIOSRC (asrc);
g_mutex_lock (src->gbarray_lock);
g_byte_array_remove_range (src->gbarray, 0, src->gbarray->len);
g_mutex_unlock (src->gbarray_lock);
}
static GstCaps *
gst_dshowaudiosrc_getcaps_from_streamcaps (GstDshowAudioSrc * src, IPin * pin,
IAMStreamConfig * streamcaps)
{
GstCaps *caps = NULL;
HRESULT hres = S_OK;
RPC_STATUS rpcstatus;
int icount = 0;
int isize = 0;
AUDIO_STREAM_CONFIG_CAPS ascc;
int i = 0;
if (!streamcaps)
return NULL;
IAMStreamConfig_GetNumberOfCapabilities (streamcaps, &icount, &isize);
if (isize != sizeof (ascc))
return NULL;
for (; i < icount; i++) {
GstCapturePinMediaType *pin_mediatype = g_new0 (GstCapturePinMediaType, 1);
IPin_AddRef (pin);
pin_mediatype->capture_pin = pin;
hres =
IAMStreamConfig_GetStreamCaps (streamcaps, i, &pin_mediatype->mediatype,
(BYTE *) & ascc);
if (hres == S_OK && pin_mediatype->mediatype) {
GstCaps *mediacaps = NULL;
if (!caps)
caps = gst_caps_new_empty ();
if ((UuidCompare (&pin_mediatype->mediatype->subtype, &MEDIASUBTYPE_PCM,
&rpcstatus) == 0 && rpcstatus == RPC_S_OK)
&& (UuidCompare (&pin_mediatype->mediatype->formattype,
&FORMAT_WaveFormatEx, &rpcstatus) == 0
&& rpcstatus == RPC_S_OK)) {
WAVEFORMATEX *wavformat =
(WAVEFORMATEX *) pin_mediatype->mediatype->pbFormat;
mediacaps =
gst_caps_new_simple ("audio/x-raw-int", "width", G_TYPE_INT,
wavformat->wBitsPerSample, "depth", G_TYPE_INT,
wavformat->wBitsPerSample, "endianness", G_TYPE_INT, G_BYTE_ORDER,
"signed", G_TYPE_BOOLEAN, TRUE, "channels", G_TYPE_INT,
wavformat->nChannels, "rate", G_TYPE_INT, wavformat->nSamplesPerSec,
NULL);
if (mediacaps) {
src->pins_mediatypes =
g_list_append (src->pins_mediatypes, pin_mediatype);
gst_caps_append (caps, mediacaps);
} else {
gst_dshow_free_pin_mediatype (pin_mediatype);
}
} else {
gst_dshow_free_pin_mediatype (pin_mediatype);
}
} else {
gst_dshow_free_pin_mediatype (pin_mediatype);
}
}
if (caps && gst_caps_is_empty (caps)) {
gst_caps_unref (caps);
caps = NULL;
}
return caps;
}
static gboolean
gst_dshowaudiosrc_push_buffer (byte * buffer, long size, byte * src_object,
UINT64 start, UINT64 stop)
{
GstDshowAudioSrc *src = GST_DSHOWAUDIOSRC (src_object);
if (!buffer || size == 0 || !src) {
return FALSE;
}
g_mutex_lock (src->gbarray_lock);
g_byte_array_prepend (src->gbarray, (guint8 *) buffer, size);
g_mutex_unlock (src->gbarray_lock);
return TRUE;
}

82
sys/dshowsrcwrapper/gstdshowaudiosrc.h Normal file
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@ -0,0 +1,82 @@
/* GStreamer
* Copyright (C) 2007 Sebastien Moutte <sebastien@moutte.net>
*
* gstdshowaudiosrc.h:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_DSHOWAUDIOSRC_H__
#define __GST_DSHOWAUDIOSRC_H__
#include <gst/gst.h>
#include <gst/audio/gstaudiosrc.h>
#include <gst/interfaces/propertyprobe.h>
#include "gstdshowsrcwrapper.h"
G_BEGIN_DECLS
#define GST_TYPE_DSHOWAUDIOSRC (gst_dshowaudiosrc_get_type())
#define GST_DSHOWAUDIOSRC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DSHOWAUDIOSRC,GstDshowAudioSrc))
#define GST_DSHOWAUDIOSRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DSHOWAUDIOSRC,GstDshowAudioSrcClass))
#define GST_IS_DSHOWAUDIOSRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DSHOWAUDIOSRC))
#define GST_IS_DSHOWAUDIOSRC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DSHOWAUDIOSRC))
typedef struct _GstDshowAudioSrc GstDshowAudioSrc;
typedef struct _GstDshowAudioSrcClass GstDshowAudioSrcClass;
struct _GstDshowAudioSrc
{
GstAudioSrc src;
/* device dshow reference (generally classid/name) */
gchar *device;
/* device friendly name */
gchar *device_name;
/* list of caps created from the list of supported media types of the dshow capture filter */
GstCaps *caps;
/* list of dshow media types filter's pins mediatypes */
GList *pins_mediatypes;
/* dshow audio capture filter */
IBaseFilter *audio_cap_filter;
/* dshow fakesink filter */
IBaseFilter *dshow_fakesink;
/* graph manager interfaces */
IMediaFilter *media_filter;
IFilterGraph *filter_graph;
/* bytes array*/
GByteArray *gbarray;
GMutex *gbarray_lock;
gboolean is_running;
};
struct _GstDshowAudioSrcClass
{
GstAudioSrcClass parent_class;
};
GType gst_dshowaudiosrc_get_type (void);
G_END_DECLS
#endif /* __GST_DSHOWAUDIOSRC_H__ */

59
sys/dshowsrcwrapper/gstdshowsrcwrapper.c Normal file
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@ -0,0 +1,59 @@
/* GStreamer
* Copyright (C) 2007 Sebastien Moutte <sebastien@moutte.net>
*
* gstdshowsrcwrapper.c:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstdshowaudiosrc.h"
#include "gstdshowvideosrc.h"
const GUID CLSID_GstreamerSrcFilter
=
{ 0x6a780808, 0x9725, 0x4d0b, {0x86, 0x95, 0xa4, 0xdd, 0x8d, 0x21, 0x7,
0x73} };
const GUID IID_IGstSrcInterface =
{ 0x542c0a24, 0x8bd1, 0x46cb, {0xaa, 0x57, 0x3e, 0x46, 0xd0, 0x6, 0xd2,
0xf3} };
static gboolean
plugin_init (GstPlugin * plugin)
{
/* register fake filters */
gst_dshow_register_fakefilters ();
if (!gst_element_register (plugin, "dshowaudiosrc",
GST_RANK_NONE,
GST_TYPE_DSHOWAUDIOSRC) ||
!gst_element_register (plugin, "dshowvideosrc",
GST_RANK_NONE, GST_TYPE_DSHOWVIDEOSRC))
return FALSE;
return TRUE;
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"dshowsrcwrapper",
"DirectShow sources wrapper plugin",
plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)

34
sys/dshowsrcwrapper/gstdshowsrcwrapper.h Normal file
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@ -0,0 +1,34 @@
/* GStreamer
* Copyright (C) 2007 Sebastien Moutte <sebastien@moutte.net>
*
* gstdshowsrcwrapper.h:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_DSHOW_H__
#define __GST_DSHOW_H__
#include <windows.h>
#include <objbase.h>
#include <dshow.h>
#include <Rpc.h>
#include <gst/dshow/gstdshowinterface.h>
#pragma warning( disable : 4090 4024)
#endif /* __GST_DSHOW_H__ */

996
sys/dshowsrcwrapper/gstdshowvideosrc.c Normal file
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/* GStreamer
* Copyright (C) 2007 Sebastien Moutte <sebastien@moutte.net>
*
* gstdshowvideosrc.c:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "gstdshowvideosrc.h"
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
static const GstElementDetails gst_dshowvideosrc_details =
GST_ELEMENT_DETAILS ("DirectShow video capture source",
"Source/Video",
"Receive data from a directshow video capture graph",
"Sebastien Moutte <sebastien@moutte.net>");
GST_DEBUG_CATEGORY_STATIC (dshowvideosrc_debug);
#define GST_CAT_DEFAULT dshowvideosrc_debug
const GUID MEDIASUBTYPE_I420
=
{ 0x30323449, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B,
0x71} };
static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-raw-rgb,"
"bpp = (int) 24,"
"depth = (int) 24,"
"width = (int) [ 1, MAX ],"
"height = (int) [ 1, MAX ],"
"framerate = (fraction) [ 0, MAX ];"
"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;"
"video/x-raw-yuv,"
"width = (int) [ 1, MAX ],"
"height = (int) [ 1, MAX ],"
"framerate = (fraction) [ 0, MAX ]," "format = (fourcc) I420")
);
static void gst_dshowvideosrc_init_interfaces (GType type);
GST_BOILERPLATE_FULL (GstDshowVideoSrc, gst_dshowvideosrc, GstPushSrc,
GST_TYPE_PUSH_SRC, gst_dshowvideosrc_init_interfaces);
enum
{
PROP_0,
PROP_DEVICE,
PROP_DEVICE_NAME
};
static void gst_dshowvideosrc_probe_interface_init (GstPropertyProbeInterface *
iface);
static const GList *gst_dshowvideosrc_probe_get_properties (GstPropertyProbe *
probe);
static GValueArray *gst_dshowvideosrc_probe_get_values (GstPropertyProbe *
probe, guint prop_id, const GParamSpec * pspec);
static GValueArray *gst_dshowvideosrc_get_device_name_values (GstDshowVideoSrc *
src);
static gboolean gst_dshowvideosrc_probe_needs_probe (GstPropertyProbe * probe,
guint prop_id, const GParamSpec * pspec);
static void gst_dshowvideosrc_probe_probe_property (GstPropertyProbe * probe,
guint prop_id, const GParamSpec * pspec);
static void gst_dshowvideosrc_dispose (GObject * gobject);
static void gst_dshowvideosrc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_dshowvideosrc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstCaps *gst_dshowvideosrc_get_caps (GstBaseSrc * src);
static GstStateChangeReturn gst_dshowvideosrc_change_state (GstElement *
element, GstStateChange transition);
static gboolean gst_dshowvideosrc_start (GstBaseSrc * bsrc);
static gboolean gst_dshowvideosrc_stop (GstBaseSrc * bsrc);
static gboolean gst_dshowvideosrc_set_caps (GstBaseSrc * bsrc, GstCaps * caps);
static GstCaps *gst_dshowvideosrc_get_caps (GstBaseSrc * bsrc);
static GstFlowReturn gst_dshowvideosrc_create (GstPushSrc * psrc,
GstBuffer ** buf);
/*utils*/
static GstCaps *gst_dshowvideosrc_getcaps_from_streamcaps (GstDshowVideoSrc *
src, IPin * pin, IAMStreamConfig * streamcaps);
static gboolean gst_dshowvideosrc_push_buffer (byte * buffer, long size,
byte * src_object, UINT64 start, UINT64 stop);
static void
gst_dshowvideosrc_init_interfaces (GType type)
{
static const GInterfaceInfo dshowvideosrc_info = {
(GInterfaceInitFunc) gst_dshowvideosrc_probe_interface_init,
NULL,
NULL,
};
g_type_add_interface_static (type,
GST_TYPE_PROPERTY_PROBE, &dshowvideosrc_info);
}
static void
gst_dshowvideosrc_probe_interface_init (GstPropertyProbeInterface * iface)
{
iface->get_properties = gst_dshowvideosrc_probe_get_properties;
iface->needs_probe = gst_dshowvideosrc_probe_needs_probe;
iface->probe_property = gst_dshowvideosrc_probe_probe_property;
iface->get_values = gst_dshowvideosrc_probe_get_values;
}
static void
gst_dshowvideosrc_base_init (gpointer klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&src_template));
gst_element_class_set_details (element_class, &gst_dshowvideosrc_details);
}
static void
gst_dshowvideosrc_class_init (GstDshowVideoSrcClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstBaseSrcClass *gstbasesrc_class;
GstPushSrcClass *gstpushsrc_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gstbasesrc_class = (GstBaseSrcClass *) klass;
gstpushsrc_class = (GstPushSrcClass *) klass;
gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_dshowvideosrc_dispose);
gobject_class->set_property =
GST_DEBUG_FUNCPTR (gst_dshowvideosrc_set_property);
gobject_class->get_property =
GST_DEBUG_FUNCPTR (gst_dshowvideosrc_get_property);
gstelement_class->change_state =
GST_DEBUG_FUNCPTR (gst_dshowvideosrc_change_state);
gstbasesrc_class->get_caps = GST_DEBUG_FUNCPTR (gst_dshowvideosrc_get_caps);
gstbasesrc_class->set_caps = GST_DEBUG_FUNCPTR (gst_dshowvideosrc_set_caps);
gstbasesrc_class->start = GST_DEBUG_FUNCPTR (gst_dshowvideosrc_start);
gstbasesrc_class->stop = GST_DEBUG_FUNCPTR (gst_dshowvideosrc_stop);
gstpushsrc_class->create = GST_DEBUG_FUNCPTR (gst_dshowvideosrc_create);
g_object_class_install_property
(gobject_class, PROP_DEVICE,
g_param_spec_string ("device", "Device",
"Directshow device path (@..classID/name)", NULL, 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, G_PARAM_READWRITE));
GST_DEBUG_CATEGORY_INIT (dshowvideosrc_debug, "dshowvideosrc", 0,
"Directshow video source");
}
static void
gst_dshowvideosrc_init (GstDshowVideoSrc * src, GstDshowVideoSrcClass * klass)
{
src->device = NULL;
src->device_name = NULL;
src->video_cap_filter = NULL;
src->dshow_fakesink = NULL;
src->media_filter = NULL;
src->filter_graph = NULL;
src->caps = NULL;
src->pins_mediatypes = NULL;
src->is_rgb = FALSE;
src->async_queue = g_async_queue_new ();
CoInitializeEx (NULL, COINIT_MULTITHREADED);
gst_base_src_set_live (GST_BASE_SRC (src), TRUE);
}
static void
gst_dshowvideosrc_dispose (GObject * gobject)
{
GstDshowVideoSrc *src = GST_DSHOWVIDEOSRC (gobject);
if (src->device) {
g_free (src->device);
src->device = NULL;
}
if (src->device_name) {
g_free (src->device_name);
src->device_name = NULL;
}
if (src->caps) {
gst_caps_unref (src->caps);
src->caps = NULL;
}
if (src->pins_mediatypes) {
gst_dshow_free_pins_mediatypes (src->pins_mediatypes);
src->pins_mediatypes = NULL;
}
/* clean dshow */
if (src->video_cap_filter) {
IBaseFilter_Release (src->video_cap_filter);
src->video_cap_filter = NULL;
}
if (src->async_queue) {
g_async_queue_unref (src->async_queue);
src->async_queue = NULL;
}
CoUninitialize ();
}
static gboolean
gst_dshowvideosrc_probe_needs_probe (GstPropertyProbe * probe,
guint prop_id, const GParamSpec * pspec)
{
static gboolean init = FALSE;
gboolean ret = FALSE;
if (!init) {
ret = TRUE;
init = TRUE;
}
return ret;
}
static void
gst_dshowvideosrc_probe_probe_property (GstPropertyProbe * probe,
guint prop_id, const GParamSpec * pspec)
{
GObjectClass *klass = G_OBJECT_GET_CLASS (probe);
switch (prop_id) {
case PROP_DEVICE_NAME:
//gst_v4l_class_probe_devices (klass, FALSE);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
break;
}
}
static const GList *
gst_dshowvideosrc_probe_get_properties (GstPropertyProbe * probe)
{
GObjectClass *klass = G_OBJECT_GET_CLASS (probe);
static GList *props = NULL;
if (!props) {
GParamSpec *pspec;
pspec = g_object_class_find_property (klass, "device_name");
props = g_list_append (props, pspec);
}
return props;
}
static GValueArray *
gst_dshowvideosrc_get_device_name_values (GstDshowVideoSrc * 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 (dshowvideosrc_debug,
"Can't create an instance of the system device enumerator (error=%d)",
hres);
array = NULL;
goto clean;
}
hres =
ICreateDevEnum_CreateClassEnumerator (devices_enum,
&CLSID_VideoInputDeviceCategory, &moniker_enum, 0);
if (hres != S_OK || !moniker_enum) {
GST_CAT_ERROR (dshowvideosrc_debug,
"Can't get enumeration of video 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 GValueArray *
gst_dshowvideosrc_probe_get_values (GstPropertyProbe * probe,
guint prop_id, const GParamSpec * pspec)
{
GstDshowVideoSrc *src = GST_DSHOWVIDEOSRC (probe);
GValueArray *array = NULL;
switch (prop_id) {
case PROP_DEVICE_NAME:
array = gst_dshowvideosrc_get_device_name_values (src);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
break;
}
return array;
}
static void
gst_dshowvideosrc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstDshowVideoSrc *src = GST_DSHOWVIDEOSRC (object);
switch (prop_id) {
case PROP_DEVICE:
{
if (src->device) {
g_free (src->device);
src->device = NULL;
}
if (g_value_get_string (value)) {
src->device = g_strdup (g_value_get_string (value));
}
break;
}
case PROP_DEVICE_NAME:
{
if (src->device_name) {
g_free (src->device_name);
src->device_name = NULL;
}
if (g_value_get_string (value)) {
src->device_name = g_strdup (g_value_get_string (value));
}
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_dshowvideosrc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
}
static GstCaps *
gst_dshowvideosrc_get_caps (GstBaseSrc * basesrc)
{
HRESULT hres = S_OK;
IBindCtx *lpbc = NULL;
IMoniker *videom;
DWORD dwEaten;
GstDshowVideoSrc *src = GST_DSHOWVIDEOSRC (basesrc);
gunichar2 *unidevice = NULL;
if (src->device) {
g_free (src->device);
src->device = NULL;
}
src->device =
gst_dshow_getdevice_from_devicename (&CLSID_VideoInputDeviceCategory,
&src->device_name);
if (!src->device) {
GST_CAT_ERROR (dshowvideosrc_debug, "No video device found.");
return NULL;
}
unidevice =
g_utf8_to_utf16 (src->device, strlen (src->device), NULL, NULL, NULL);
if (!src->video_cap_filter) {
hres = CreateBindCtx (0, &lpbc);
if (SUCCEEDED (hres)) {
hres = MkParseDisplayName (lpbc, unidevice, &dwEaten, &videom);
if (SUCCEEDED (hres)) {
hres =
IMoniker_BindToObject (videom, lpbc, NULL, &IID_IBaseFilter,
&src->video_cap_filter);
IMoniker_Release (videom);
}
IBindCtx_Release (lpbc);
}
}
if (src->video_cap_filter && !src->caps) {
/* get the capture pins supported types */
IPin *capture_pin = NULL;
IEnumPins *enumpins = NULL;
HRESULT hres;
hres = IBaseFilter_EnumPins (src->video_cap_filter, &enumpins);
if (SUCCEEDED (hres)) {
while (IEnumPins_Next (enumpins, 1, &capture_pin, NULL) == S_OK) {
IKsPropertySet *pKs = NULL;
hres =
IPin_QueryInterface (capture_pin, &IID_IKsPropertySet,
(void **) &pKs);
if (SUCCEEDED (hres) && pKs) {
DWORD cbReturned;
GUID pin_category;
RPC_STATUS rpcstatus;
hres =
IKsPropertySet_Get (pKs, &AMPROPSETID_Pin,
AMPROPERTY_PIN_CATEGORY, NULL, 0, &pin_category, sizeof (GUID),
&cbReturned);
/* we only want capture pins */
if (UuidCompare (&pin_category, &PIN_CATEGORY_CAPTURE,
&rpcstatus) == 0) {
IAMStreamConfig *streamcaps = NULL;
if (SUCCEEDED (IPin_QueryInterface (capture_pin,
&IID_IAMStreamConfig, (void **) &streamcaps))) {
src->caps =
gst_dshowvideosrc_getcaps_from_streamcaps (src, capture_pin,
streamcaps);
IAMStreamConfig_Release (streamcaps);
GST_CAT_LOG (dshowvideosrc_debug,
"get_cap returned %" GST_PTR_FORMAT, src->caps);
}
}
IKsPropertySet_Release (pKs);
}
IPin_Release (capture_pin);
}
IEnumPins_Release (enumpins);
}
}
if (unidevice) {
g_free (unidevice);
}
if (src->caps) {
return gst_caps_ref (src->caps);
}
return NULL;
}
static GstStateChangeReturn
gst_dshowvideosrc_change_state (GstElement * element, GstStateChange transition)
{
HRESULT hres = S_FALSE;
IAMVfwCaptureDialogs *dialog = NULL;
GstDshowVideoSrc *src = GST_DSHOWVIDEOSRC (element);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
if (src->media_filter)
hres = IMediaFilter_Run (src->media_filter, 0);
if (hres != S_OK) {
GST_CAT_ERROR (dshowvideosrc_debug,
"Can't RUN the directshow capture graph (error=%d)", hres);
return GST_STATE_CHANGE_FAILURE;
}
break;
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
if (src->media_filter)
hres = IMediaFilter_Stop (src->media_filter);
if (hres != S_OK) {
GST_CAT_ERROR (dshowvideosrc_debug,
"Can't STOP the directshow capture graph (error=%d)", hres);
return GST_STATE_CHANGE_FAILURE;
}
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_NULL:
break;
}
return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
}
static gboolean
gst_dshowvideosrc_start (GstBaseSrc * bsrc)
{
HRESULT hres = S_FALSE;
GstDshowVideoSrc *src = GST_DSHOWVIDEOSRC (bsrc);
hres = CoCreateInstance (&CLSID_FilterGraph, NULL, CLSCTX_INPROC,
&IID_IFilterGraph, (LPVOID *) & src->filter_graph);
if (hres != S_OK || !src->filter_graph) {
GST_CAT_ERROR (dshowvideosrc_debug,
"Can't create an instance of the dshow graph manager (error=%d)", hres);
goto error;
}
hres = IFilterGraph_QueryInterface (src->filter_graph, &IID_IMediaFilter,
(void **) &src->media_filter);
if (hres != S_OK || !src->media_filter) {
GST_CAT_ERROR (dshowvideosrc_debug,
"Can't get IMediacontrol interface from the graph manager (error=%d)",
hres);
goto error;
}
hres = CoCreateInstance (&CLSID_DshowFakeSink, NULL, CLSCTX_INPROC,
&IID_IBaseFilter, (LPVOID *) & src->dshow_fakesink);
if (hres != S_OK || !src->dshow_fakesink) {
GST_CAT_ERROR (dshowvideosrc_debug,
"Can't create an instance of our dshow fakesink filter (error=%d)",
hres);
goto error;
}
hres =
IFilterGraph_AddFilter (src->filter_graph, src->video_cap_filter,
L"capture");
if (hres != S_OK) {
GST_CAT_ERROR (dshowvideosrc_debug,
"Can't add video capture filter to the graph (error=%d)", hres);
goto error;
}
hres =
IFilterGraph_AddFilter (src->filter_graph, src->dshow_fakesink, L"sink");
if (hres != S_OK) {
GST_CAT_ERROR (dshowvideosrc_debug,
"Can't add our fakesink filter to the graph (error=%d)", hres);
goto error;
}
return TRUE;
error:
if (src->dshow_fakesink) {
IBaseFilter_Release (src->dshow_fakesink);
src->dshow_fakesink = NULL;
}
if (src->media_filter) {
IMediaFilter_Release (src->media_filter);
src->media_filter = NULL;
}
if (src->filter_graph) {
IFilterGraph_Release (src->filter_graph);
src->filter_graph = NULL;
}
return FALSE;
}
static gboolean
gst_dshowvideosrc_set_caps (GstBaseSrc * bsrc, GstCaps * caps)
{
HRESULT hres;
IGstDshowInterface *srcinterface = NULL;
IPin *input_pin = NULL;
GstDshowVideoSrc *src = GST_DSHOWVIDEOSRC (bsrc);
GstStructure *s = gst_caps_get_structure (caps, 0);
/* search the negociated caps in our caps list to get its index and the corresponding mediatype */
if (gst_caps_is_subset (caps, src->caps)) {
guint i = 0;
gint res = -1;
for (; i < gst_caps_get_size (src->caps) && res == -1; i++) {
GstCaps *capstmp = gst_caps_copy_nth (src->caps, i);
if (gst_caps_is_subset (caps, capstmp)) {
res = i;
}
gst_caps_unref (capstmp);
}
if (res != -1 && src->pins_mediatypes) {
/* get the corresponding media type and build the dshow graph */
GstCapturePinMediaType *pin_mediatype = NULL;
gchar *caps_string = NULL;
GList *type = g_list_nth (src->pins_mediatypes, res);
if (type) {
pin_mediatype = (GstCapturePinMediaType *) type->data;
hres =
IBaseFilter_QueryInterface (src->dshow_fakesink,
&IID_IGstDshowInterface, (void **) &srcinterface);
if (hres != S_OK || !srcinterface) {
GST_CAT_ERROR (dshowvideosrc_debug,
"Can't get IGstDshowInterface interface from our dshow fakesink filter (error=%d)",
hres);
goto error;
}
IGstDshowInterface_gst_set_media_type (srcinterface,
pin_mediatype->mediatype);
IGstDshowInterface_gst_set_buffer_callback (srcinterface,
gst_dshowvideosrc_push_buffer, (byte *) src);
if (srcinterface) {
IGstDshowInterface_Release (srcinterface);
}
gst_dshow_get_pin_from_filter (src->dshow_fakesink, PINDIR_INPUT,
&input_pin);
if (!input_pin) {
GST_CAT_ERROR (dshowvideosrc_debug,
"Can't get input pin from our dshow fakesink");
goto error;
}
hres =
IFilterGraph_ConnectDirect (src->filter_graph,
pin_mediatype->capture_pin, input_pin, NULL);
IPin_Release (input_pin);
if (hres != S_OK) {
GST_CAT_ERROR (dshowvideosrc_debug,
"Can't connect capture filter with fakesink filter (error=%d)",
hres);
goto error;
}
/* save width and height negociated */
gst_structure_get_int (s, "width", &src->width);
gst_structure_get_int (s, "height", &src->height);
src->is_rgb = FALSE;
caps_string = gst_caps_to_string (caps);
if (caps_string) {
if (strstr (caps_string, "video/x-raw-rgb")) {
src->is_rgb = TRUE;
} else {
src->is_rgb = FALSE;
}
g_free (caps_string);
}
}
}
}
return TRUE;
error:
if (srcinterface) {
IGstDshowInterface_Release (srcinterface);
}
return FALSE;
}
static gboolean
gst_dshowvideosrc_stop (GstBaseSrc * bsrc)
{
IPin *input_pin = NULL, *output_pin = NULL;
HRESULT hres = S_FALSE;
GstDshowVideoSrc *src = GST_DSHOWVIDEOSRC (bsrc);
if (!src->filter_graph)
return TRUE;
/* disconnect filters */
gst_dshow_get_pin_from_filter (src->video_cap_filter, PINDIR_OUTPUT,
&output_pin);
if (output_pin) {
hres = IFilterGraph_Disconnect (src->filter_graph, output_pin);
IPin_Release (output_pin);
}
gst_dshow_get_pin_from_filter (src->dshow_fakesink, PINDIR_INPUT, &input_pin);
if (input_pin) {
hres = IFilterGraph_Disconnect (src->filter_graph, input_pin);
IPin_Release (input_pin);
}
/*remove filters from the graph */
IFilterGraph_RemoveFilter (src->filter_graph, src->video_cap_filter);
IFilterGraph_RemoveFilter (src->filter_graph, src->dshow_fakesink);
/*release our gstreamer dshow sink */
IBaseFilter_Release (src->dshow_fakesink);
src->dshow_fakesink = NULL;
/*release media filter interface */
IMediaFilter_Release (src->media_filter);
src->media_filter = NULL;
/*release the filter graph manager */
IFilterGraph_Release (src->filter_graph);
src->filter_graph = NULL;
return TRUE;
}
static GstFlowReturn
gst_dshowvideosrc_create (GstPushSrc * psrc, GstBuffer ** buf)
{
GstDshowVideoSrc *src = GST_DSHOWVIDEOSRC (psrc);
*buf = g_async_queue_pop (src->async_queue);
GST_CAT_DEBUG (dshowvideosrc_debug,
"dshowvideosrc_create => pts %" GST_TIME_FORMAT " duration %"
GST_TIME_FORMAT, GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (*buf)),
GST_TIME_ARGS (GST_BUFFER_DURATION (*buf)));
return GST_FLOW_OK;
}
static GstCaps *
gst_dshowvideosrc_getcaps_from_streamcaps (GstDshowVideoSrc * src, IPin * pin,
IAMStreamConfig * streamcaps)
{
GstCaps *caps = NULL;
HRESULT hres = S_OK;
RPC_STATUS rpcstatus;
int icount = 0;
int isize = 0;
VIDEO_STREAM_CONFIG_CAPS vscc;
int i = 0;
if (!streamcaps)
return NULL;
IAMStreamConfig_GetNumberOfCapabilities (streamcaps, &icount, &isize);
if (isize != sizeof (vscc))
return NULL;
for (; i < icount; i++) {
GstCapturePinMediaType *pin_mediatype = g_new0 (GstCapturePinMediaType, 1);
IPin_AddRef (pin);
pin_mediatype->capture_pin = pin;
hres =
IAMStreamConfig_GetStreamCaps (streamcaps, i, &pin_mediatype->mediatype,
(BYTE *) & vscc);
if (hres == S_OK && pin_mediatype->mediatype) {
VIDEOINFOHEADER *video_info;
GstCaps *mediacaps = NULL;
if (!caps)
caps = gst_caps_new_empty ();
/* I420 */
if ((UuidCompare (&pin_mediatype->mediatype->subtype, &MEDIASUBTYPE_I420,
&rpcstatus) == 0 && rpcstatus == RPC_S_OK)
&& (UuidCompare (&pin_mediatype->mediatype->formattype,
&FORMAT_VideoInfo, &rpcstatus) == 0
&& rpcstatus == RPC_S_OK)) {
video_info = (VIDEOINFOHEADER *) pin_mediatype->mediatype->pbFormat;
mediacaps = gst_caps_new_simple ("video/x-raw-yuv",
"width", G_TYPE_INT, video_info->bmiHeader.biWidth,
"height", G_TYPE_INT, video_info->bmiHeader.biHeight,
"framerate", GST_TYPE_FRACTION,
(int) (10000000 / video_info->AvgTimePerFrame), 1, "format",
GST_TYPE_FOURCC, MAKEFOURCC ('I', '4', '2', '0'), NULL);
if (mediacaps) {
src->pins_mediatypes =
g_list_append (src->pins_mediatypes, pin_mediatype);
gst_caps_append (caps, mediacaps);
} else {
gst_dshow_free_pin_mediatype (pin_mediatype);
}
continue;
}
/* RGB24 */
if ((UuidCompare (&pin_mediatype->mediatype->subtype, &MEDIASUBTYPE_RGB24,
&rpcstatus) == 0 && rpcstatus == RPC_S_OK)
&& (UuidCompare (&pin_mediatype->mediatype->formattype,
&FORMAT_VideoInfo, &rpcstatus) == 0
&& rpcstatus == RPC_S_OK)) {
video_info = (VIDEOINFOHEADER *) pin_mediatype->mediatype->pbFormat;
/* ffmpegcolorspace handles RGB24 in BIG_ENDIAN */
mediacaps = gst_caps_new_simple ("video/x-raw-rgb",
"bpp", G_TYPE_INT, 24,
"depth", G_TYPE_INT, 24,
"width", G_TYPE_INT, video_info->bmiHeader.biWidth,
"height", G_TYPE_INT, video_info->bmiHeader.biHeight,
"framerate", GST_TYPE_FRACTION,
(int) (10000000 / video_info->AvgTimePerFrame), 1, "endianness",
G_TYPE_INT, G_BIG_ENDIAN, "red_mask", G_TYPE_INT, 255, "green_mask",
G_TYPE_INT, 65280, "blue_mask", G_TYPE_INT, 16711680, NULL);
if (mediacaps) {
src->pins_mediatypes =
g_list_append (src->pins_mediatypes, pin_mediatype);
gst_caps_append (caps, mediacaps);
} else {
gst_dshow_free_pin_mediatype (pin_mediatype);
}
continue;
}
/* DVSD */
if ((UuidCompare (&pin_mediatype->mediatype->subtype, &MEDIASUBTYPE_dvsd,
&rpcstatus) == 0 && rpcstatus == RPC_S_OK)
&& (UuidCompare (&pin_mediatype->mediatype->formattype,
&FORMAT_VideoInfo, &rpcstatus) == 0
&& rpcstatus == RPC_S_OK)) {
video_info = (VIDEOINFOHEADER *) pin_mediatype->mediatype->pbFormat;
mediacaps = gst_caps_new_simple ("video/x-dv",
"systemstream", G_TYPE_BOOLEAN, FALSE,
"format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('d', 'v', 's', 'd'),
"framerate", GST_TYPE_FRACTION,
(int) (10000000 / video_info->AvgTimePerFrame), 1, "width",
G_TYPE_INT, video_info->bmiHeader.biWidth, "height", G_TYPE_INT,
video_info->bmiHeader.biHeight, NULL);
if (mediacaps) {
src->pins_mediatypes =
g_list_append (src->pins_mediatypes, pin_mediatype);
gst_caps_append (caps, mediacaps);
} else {
gst_dshow_free_pin_mediatype (pin_mediatype);
}
continue;
}
/* DV stream */
if ((UuidCompare (&pin_mediatype->mediatype->subtype, &MEDIASUBTYPE_dvsd,
&rpcstatus) == 0 && rpcstatus == RPC_S_OK)
&& (UuidCompare (&pin_mediatype->mediatype->formattype,
&FORMAT_DvInfo, &rpcstatus) == 0 && rpcstatus == RPC_S_OK)) {
mediacaps = gst_caps_new_simple ("video/x-dv",
"systemstream", G_TYPE_BOOLEAN, TRUE, NULL);
if (mediacaps) {
src->pins_mediatypes =
g_list_append (src->pins_mediatypes, pin_mediatype);
gst_caps_append (caps, mediacaps);
} else {
gst_dshow_free_pin_mediatype (pin_mediatype);
}
continue;
}
} else {
gst_dshow_free_pin_mediatype (pin_mediatype);
}
}
if (caps && gst_caps_is_empty (caps)) {
gst_caps_unref (caps);
caps = NULL;
}
return caps;
}
static gboolean
gst_dshowvideosrc_push_buffer (byte * buffer, long size, byte * src_object,
UINT64 start, UINT64 stop)
{
GstDshowVideoSrc *src = GST_DSHOWVIDEOSRC (src_object);
GstBuffer *buf;
IPin *pPin = NULL;
HRESULT hres = S_FALSE;
AM_MEDIA_TYPE *pMediaType = NULL;
if (!buffer || size == 0 || !src) {
return FALSE;
}
/* create a new buffer assign to it the clock time as timestamp */
buf = gst_buffer_new_and_alloc (size);
GST_BUFFER_SIZE (buf) = size;
GST_BUFFER_TIMESTAMP (buf) = gst_clock_get_time (GST_ELEMENT (src)->clock);
GST_BUFFER_TIMESTAMP (buf) -= GST_ELEMENT (src)->base_time;
GST_BUFFER_DURATION (buf) = stop - start;
if (src->is_rgb) {
/* FOR RGB directshow decoder will return bottom-up BITMAP
* There is probably a way to get top-bottom video frames from
* the decoder...
*/
gint line = 0;
gint stride = size / src->height;
for (; line < src->height; line++) {
memcpy (GST_BUFFER_DATA (buf) + (line * stride),
buffer + (size - ((line + 1) * (stride))), stride);
}
} else {
memcpy (GST_BUFFER_DATA (buf), buffer, size);
}
GST_CAT_DEBUG (dshowvideosrc_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)));
g_async_queue_push (src->async_queue, buf);
return TRUE;
}

85
sys/dshowsrcwrapper/gstdshowvideosrc.h Normal file
View File

@ -0,0 +1,85 @@
/* GStreamer
* Copyright (C) 2007 Sebastien Moutte <sebastien@moutte.net>
*
* gstdshowvideosrc.h:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_DSHOWVIDEOSRC_H__
#define __GST_DSHOWVIDEOSRC_H__
#include <gst/gst.h>
#include <gst/base/gstpushsrc.h>
#include <gst/interfaces/propertyprobe.h>
#include "gstdshowsrcwrapper.h"
// 30323449-0000-0010-8000-00AA00389B71 MEDIASUBTYPE_I420
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())
#define GST_DSHOWVIDEOSRC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DSHOWVIDEOSRC,GstDshowVideoSrc))
#define GST_DSHOWVIDEOSRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DSHOWVIDEOSRC,GstDshowVideoSrcClass))
#define GST_IS_DSHOWVIDEOSRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DSHOWVIDEOSRC))
#define GST_IS_DSHOWVIDEOSRC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DSHOWVIDEOSRC))
typedef struct _GstDshowVideoSrc GstDshowVideoSrc;
typedef struct _GstDshowVideoSrcClass GstDshowVideoSrcClass;
struct _GstDshowVideoSrc
{
GstPushSrc src;
/* device dshow reference (generally classid/name) */
gchar *device;
/* device friendly name */
gchar *device_name;
/* list of caps created from the list of supported media types of the dshow capture filter */
GstCaps *caps;
/* list of dshow media types from the filter's capture pins */
GList *pins_mediatypes;
/* dshow video capture filter */
IBaseFilter *video_cap_filter;
/* dshow sink filter */
IBaseFilter *dshow_fakesink;
/* graph manager interfaces */
IMediaFilter *media_filter;
IFilterGraph *filter_graph;
/* async queue which will contain incoming buffers from directshow */
GAsyncQueue *async_queue;
gboolean is_rgb;
gint width;
gint height;
};
struct _GstDshowVideoSrcClass
{
GstPushSrcClass parent_class;
};
GType gst_dshowvideosrc_get_type (void);
G_END_DECLS
#endif /* __GST_DSHOWVIDEOSRC_H__ */

15
win32/common/libgstdshow.def Normal file
View File

@ -0,0 +1,15 @@
EXPORTS
DllMain PRIVATE
DllGetClassObject PRIVATE
DllCanUnloadNow PRIVATE
DllRegisterServer PRIVATE
DllUnregisterServer PRIVATE
gst_dshow_find_filter
gst_dshow_free_mediatype
gst_dshow_free_pin_mediatype
gst_dshow_free_pins_mediatypes
gst_dshow_get_pin_from_filter
gst_dshow_getdevice_from_devicename
gst_dshow_register_fakefilters

24
win32/vs6/gst_plugins_bad.dsw
View File

@ -39,6 +39,30 @@ Package=<4>
############################################################################### ###############################################################################
Project: "libgstdshow"=".\libgstdshow.dsp" - Package Owner=<4>
Package=<5>
{{{
}}}
Package=<4>
{{{
}}}
###############################################################################
Project: "libgstdshowsrcwrapper"=".\libdshowsrcwrapper.dsp" - Package Owner=<4>
Package=<5>
{{{
}}}
Package=<4>
{{{
}}}
###############################################################################
Project: "libgstmpegvideoparse"=".\libgstmpegvideoparse.dsp" - Package Owner=<4> Project: "libgstmpegvideoparse"=".\libgstmpegvideoparse.dsp" - Package Owner=<4>
Package=<5> Package=<5>

137
win32/vs6/libdshowsrcwrapper.dsp Normal file
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@ -0,0 +1,137 @@
# Microsoft Developer Studio Project File - Name="libgstdshowsrcwrapper" - Package Owner=<4>
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4
win32/vs6/libgstdirectsound.dsp
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@ -53,7 +53,7 @@ BSC32=bscmake.exe
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LINK32=link.exe LINK32=link.exe
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@ -84,7 +84,7 @@ BSC32=bscmake.exe
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155
win32/vs6/libgstdshow.dsp Normal file
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@ -0,0 +1,155 @@
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