diff options
Diffstat (limited to 'src/plugins/directshow/helpers')
| -rw-r--r-- | src/plugins/directshow/helpers/directshowglobal.h | 10 | ||||
| -rw-r--r-- | src/plugins/directshow/helpers/directshowmediatype.cpp | 198 | ||||
| -rw-r--r-- | src/plugins/directshow/helpers/directshowmediatype.h | 45 | ||||
| -rw-r--r-- | src/plugins/directshow/helpers/directshowmediatypeenum.cpp | 2 | ||||
| -rw-r--r-- | src/plugins/directshow/helpers/directshowpin.cpp | 35 | ||||
| -rw-r--r-- | src/plugins/directshow/helpers/directshowpin.h | 8 | ||||
| -rw-r--r-- | src/plugins/directshow/helpers/directshowutils.cpp | 309 | ||||
| -rw-r--r-- | src/plugins/directshow/helpers/directshowutils.h | 87 | ||||
| -rw-r--r-- | src/plugins/directshow/helpers/helpers.pri | 6 |
9 files changed, 603 insertions, 97 deletions
diff --git a/src/plugins/directshow/helpers/directshowglobal.h b/src/plugins/directshow/helpers/directshowglobal.h index f7890c52b..5f391710e 100644 --- a/src/plugins/directshow/helpers/directshowglobal.h +++ b/src/plugins/directshow/helpers/directshowglobal.h @@ -43,6 +43,13 @@ #include <dshow.h> #include <QtCore/qglobal.h> +#include <QtCore/qloggingcategory.h> + +QT_BEGIN_NAMESPACE + +Q_DECLARE_LOGGING_CATEGORY(qtDirectShowPlugin) + +QT_END_NAMESPACE template <typename T> T *com_cast(IUnknown *unknown, const IID &iid) { @@ -77,6 +84,9 @@ template <typename T> T *com_new(const IID &clsid, const IID &iid) : 0; } +DEFINE_GUID(MEDIASUBTYPE_I420, + 0x30323449,0x0000,0x0010,0x80,0x00,0x00,0xAA,0x00,0x38,0x9B,0x71); + #ifndef __IFilterGraph2_INTERFACE_DEFINED__ #define __IFilterGraph2_INTERFACE_DEFINED__ #define INTERFACE IFilterGraph2 diff --git a/src/plugins/directshow/helpers/directshowmediatype.cpp b/src/plugins/directshow/helpers/directshowmediatype.cpp index 60c0ee040..d9ddf8248 100644 --- a/src/plugins/directshow/helpers/directshowmediatype.cpp +++ b/src/plugins/directshow/helpers/directshowmediatype.cpp @@ -38,6 +38,7 @@ ****************************************************************************/ #include "directshowmediatype.h" +#include "directshowglobal.h" namespace { @@ -49,85 +50,168 @@ namespace static const TypeLookup qt_typeLookup[] = { - { QVideoFrame::Format_RGB32, /*MEDIASUBTYPE_RGB32*/ {0xe436eb7e, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}} }, - { QVideoFrame::Format_BGR24, /*MEDIASUBTYPE_RGB24*/ {0xe436eb7d, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}} }, - { QVideoFrame::Format_RGB565, /*MEDIASUBTYPE_RGB565*/ {0xe436eb7b, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}} }, - { QVideoFrame::Format_RGB555, /*MEDIASUBTYPE_RGB555*/ {0xe436eb7c, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}} }, - { QVideoFrame::Format_AYUV444, /*MEDIASUBTYPE_AYUV*/ {0x56555941, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}} }, - { QVideoFrame::Format_YUYV, /*MEDIASUBTYPE_YUY2*/ {0x32595559, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}} }, - { QVideoFrame::Format_UYVY, /*MEDIASUBTYPE_UYVY*/ {0x59565955, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}} }, - { QVideoFrame::Format_IMC1, /*MEDIASUBTYPE_IMC1*/ {0x31434D49, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}} }, - { QVideoFrame::Format_IMC2, /*MEDIASUBTYPE_IMC2*/ {0x32434D49, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}} }, - { QVideoFrame::Format_IMC3, /*MEDIASUBTYPE_IMC3*/ {0x33434D49, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}} }, - { QVideoFrame::Format_IMC4, /*MEDIASUBTYPE_IMC4*/ {0x34434D49, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}} }, - { QVideoFrame::Format_YV12, /*MEDIASUBTYPE_YV12*/ {0x32315659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}} }, - { QVideoFrame::Format_NV12, /*MEDIASUBTYPE_NV12*/ {0x3231564E, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}} }, - { QVideoFrame::Format_YUV420P, /*MEDIASUBTYPE_IYUV*/ {0x56555949, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}} }, - { QVideoFrame::Format_YUV420P, /*MEDIASUBTYPE_I420*/ {0x30323449, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}} } + { QVideoFrame::Format_ARGB32, MEDIASUBTYPE_ARGB32 }, + { QVideoFrame::Format_RGB32, MEDIASUBTYPE_RGB32 }, + { QVideoFrame::Format_RGB24, MEDIASUBTYPE_RGB24 }, + { QVideoFrame::Format_RGB565, MEDIASUBTYPE_RGB565 }, + { QVideoFrame::Format_RGB555, MEDIASUBTYPE_RGB555 }, + { QVideoFrame::Format_AYUV444, MEDIASUBTYPE_AYUV }, + { QVideoFrame::Format_YUYV, MEDIASUBTYPE_YUY2 }, + { QVideoFrame::Format_UYVY, MEDIASUBTYPE_UYVY }, + { QVideoFrame::Format_IMC1, MEDIASUBTYPE_IMC1 }, + { QVideoFrame::Format_IMC2, MEDIASUBTYPE_IMC2 }, + { QVideoFrame::Format_IMC3, MEDIASUBTYPE_IMC3 }, + { QVideoFrame::Format_IMC4, MEDIASUBTYPE_IMC4 }, + { QVideoFrame::Format_YV12, MEDIASUBTYPE_YV12 }, + { QVideoFrame::Format_NV12, MEDIASUBTYPE_NV12 }, + { QVideoFrame::Format_YUV420P, MEDIASUBTYPE_IYUV }, + { QVideoFrame::Format_YUV420P, MEDIASUBTYPE_I420 }, + { QVideoFrame::Format_Jpeg, MEDIASUBTYPE_MJPG } }; } -bool DirectShowMediaType::isPartiallySpecified() const +bool DirectShowMediaType::isPartiallySpecified(const AM_MEDIA_TYPE *mediaType) { - return majortype == GUID_NULL || formattype == GUID_NULL; + return mediaType->majortype == GUID_NULL || mediaType->formattype == GUID_NULL; } -bool DirectShowMediaType::isCompatibleWith(const DirectShowMediaType *type) const +DirectShowMediaType::DirectShowMediaType() + : mediaType({ GUID_NULL, GUID_NULL, TRUE, FALSE, 1, GUID_NULL, nullptr, 0, nullptr}) { - if (type->majortype != GUID_NULL && majortype != type->majortype) - return false; +} - if (type->subtype != GUID_NULL && subtype != type->subtype) - return false; +DirectShowMediaType::DirectShowMediaType(const AM_MEDIA_TYPE &type) + : DirectShowMediaType() +{ + copy(&mediaType, &type); +} - if (type->formattype != GUID_NULL) { - if (formattype != type->formattype) - return false; - if (cbFormat != type->cbFormat) - return false; - if (cbFormat != 0 && memcmp(pbFormat, type->pbFormat, cbFormat) != 0) - return false; - } +DirectShowMediaType::DirectShowMediaType(AM_MEDIA_TYPE &&type) + : DirectShowMediaType() +{ + move(&mediaType, type); +} - return true; +DirectShowMediaType::DirectShowMediaType(const DirectShowMediaType &other) + : DirectShowMediaType() +{ + copy(&mediaType, &other.mediaType); +} + +DirectShowMediaType::DirectShowMediaType(DirectShowMediaType &&other) + : DirectShowMediaType() +{ + move(&mediaType, other.mediaType); +} + +DirectShowMediaType &DirectShowMediaType::operator=(const DirectShowMediaType &other) +{ + copy(&mediaType, &other.mediaType); + return *this; +} + +DirectShowMediaType &DirectShowMediaType::operator=(DirectShowMediaType &&other) +{ + move(&mediaType, other.mediaType); + return *this; } void DirectShowMediaType::init(AM_MEDIA_TYPE *type) { - ZeroMemory((PVOID)type, sizeof(*type)); + Q_ASSERT(type); + SecureZeroMemory(reinterpret_cast<void *>(type), sizeof(AM_MEDIA_TYPE)); type->lSampleSize = 1; type->bFixedSizeSamples = TRUE; } -void DirectShowMediaType::copy(AM_MEDIA_TYPE *target, const AM_MEDIA_TYPE &source) +void DirectShowMediaType::copy(AM_MEDIA_TYPE *target, const AM_MEDIA_TYPE *source) { - if (!target) + if (!(target && source)) + return; + + if (target == source) return; - *target = source; + clear(*target); - if (source.cbFormat > 0) { - target->pbFormat = reinterpret_cast<PBYTE>(CoTaskMemAlloc(source.cbFormat)); - memcpy(target->pbFormat, source.pbFormat, source.cbFormat); + *target = *source; + + if (source->cbFormat > 0) { + target->pbFormat = reinterpret_cast<PBYTE>(CoTaskMemAlloc(source->cbFormat)); + memcpy(target->pbFormat, source->pbFormat, source->cbFormat); } if (target->pUnk) target->pUnk->AddRef(); } +void DirectShowMediaType::move(AM_MEDIA_TYPE *target, AM_MEDIA_TYPE **source) +{ + if (!target || !source || !(*source)) + return; + + if (target == *source) + return; + + clear(*target); + *target = *(*source); + SecureZeroMemory(reinterpret_cast<void *>(*source), sizeof(AM_MEDIA_TYPE)); + *source = nullptr; +} + +void DirectShowMediaType::move(AM_MEDIA_TYPE *target, AM_MEDIA_TYPE &source) +{ + AM_MEDIA_TYPE *srcPtr = &source; + move(target, &srcPtr); +} + +/** + * @brief DirectShowMediaType::deleteType - Used for AM_MEDIA_TYPE structures that have + * been allocated by CoTaskMemAlloc or CreateMediaType. + * @param type + */ void DirectShowMediaType::deleteType(AM_MEDIA_TYPE *type) { - freeData(type); + if (!type) + return; + clear(*type); CoTaskMemFree(type); } -void DirectShowMediaType::freeData(AM_MEDIA_TYPE *type) +bool DirectShowMediaType::isCompatible(const AM_MEDIA_TYPE *a, const AM_MEDIA_TYPE *b) +{ + if (b->majortype != GUID_NULL && a->majortype != b->majortype) + return false; + + if (b->subtype != GUID_NULL && a->subtype != b->subtype) + return false; + + if (b->formattype != GUID_NULL) { + if (a->formattype != b->formattype) + return false; + if (a->cbFormat != b->cbFormat) + return false; + if (a->cbFormat != 0 && memcmp(a->pbFormat, b->pbFormat, a->cbFormat) != 0) + return false; + } + + return true; +} + +/** + * @brief DirectShowMediaType::clear - Clears all member data, and releases allocated buffers. + * Use this to release automatic AM_MEDIA_TYPE structures. + * @param type + */ +void DirectShowMediaType::clear(AM_MEDIA_TYPE &type) { - if (type->cbFormat > 0) - CoTaskMemFree(type->pbFormat); + if (type.cbFormat > 0) + CoTaskMemFree(type.pbFormat); + + if (type.pUnk) + type.pUnk->Release(); - if (type->pUnk) - type->pUnk->Release(); + SecureZeroMemory(&type, sizeof(type)); } @@ -142,14 +226,17 @@ GUID DirectShowMediaType::convertPixelFormat(QVideoFrame::PixelFormat format) return MEDIASUBTYPE_None; } -QVideoSurfaceFormat DirectShowMediaType::formatFromType(const AM_MEDIA_TYPE &type) +QVideoSurfaceFormat DirectShowMediaType::videoFormatFromType(const AM_MEDIA_TYPE *type) { + if (!type) + return QVideoSurfaceFormat(); + const int count = sizeof(qt_typeLookup) / sizeof(TypeLookup); for (int i = 0; i < count; ++i) { - if (IsEqualGUID(qt_typeLookup[i].mediaType, type.subtype) && type.cbFormat > 0) { - if (IsEqualGUID(type.formattype, FORMAT_VideoInfo)) { - VIDEOINFOHEADER *header = reinterpret_cast<VIDEOINFOHEADER *>(type.pbFormat); + if (IsEqualGUID(qt_typeLookup[i].mediaType, type->subtype) && type->cbFormat > 0) { + if (IsEqualGUID(type->formattype, FORMAT_VideoInfo)) { + VIDEOINFOHEADER *header = reinterpret_cast<VIDEOINFOHEADER *>(type->pbFormat); QVideoSurfaceFormat format( QSize(header->bmiHeader.biWidth, qAbs(header->bmiHeader.biHeight)), @@ -161,8 +248,8 @@ QVideoSurfaceFormat DirectShowMediaType::formatFromType(const AM_MEDIA_TYPE &typ format.setScanLineDirection(scanLineDirection(format.pixelFormat(), header->bmiHeader)); return format; - } else if (IsEqualGUID(type.formattype, FORMAT_VideoInfo2)) { - VIDEOINFOHEADER2 *header = reinterpret_cast<VIDEOINFOHEADER2 *>(type.pbFormat); + } else if (IsEqualGUID(type->formattype, FORMAT_VideoInfo2)) { + VIDEOINFOHEADER2 *header = reinterpret_cast<VIDEOINFOHEADER2 *>(type->pbFormat); QVideoSurfaceFormat format( QSize(header->bmiHeader.biWidth, qAbs(header->bmiHeader.biHeight)), @@ -180,12 +267,15 @@ QVideoSurfaceFormat DirectShowMediaType::formatFromType(const AM_MEDIA_TYPE &typ return QVideoSurfaceFormat(); } -QVideoFrame::PixelFormat DirectShowMediaType::pixelFormatFromType(const AM_MEDIA_TYPE &type) +QVideoFrame::PixelFormat DirectShowMediaType::pixelFormatFromType(const AM_MEDIA_TYPE *type) { + if (!type) + return QVideoFrame::Format_Invalid; + const int count = sizeof(qt_typeLookup) / sizeof(TypeLookup); for (int i = 0; i < count; ++i) { - if (IsEqualGUID(qt_typeLookup[i].mediaType, type.subtype)) { + if (IsEqualGUID(qt_typeLookup[i].mediaType, type->subtype)) { return qt_typeLookup[i].pixelFormat; } } @@ -198,6 +288,7 @@ int DirectShowMediaType::bytesPerLine(const QVideoSurfaceFormat &format) { switch (format.pixelFormat()) { // 32 bpp packed formats. + case QVideoFrame::Format_ARGB32: case QVideoFrame::Format_RGB32: case QVideoFrame::Format_AYUV444: return format.frameWidth() * 4; @@ -240,8 +331,9 @@ QVideoSurfaceFormat::Direction DirectShowMediaType::scanLineDirection(QVideoFram */ switch (pixelFormat) { + case QVideoFrame::Format_ARGB32: case QVideoFrame::Format_RGB32: - case QVideoFrame::Format_BGR24: + case QVideoFrame::Format_RGB24: case QVideoFrame::Format_RGB565: case QVideoFrame::Format_RGB555: return bmiHeader.biHeight < 0 diff --git a/src/plugins/directshow/helpers/directshowmediatype.h b/src/plugins/directshow/helpers/directshowmediatype.h index b2b074ccc..7849ca9b0 100644 --- a/src/plugins/directshow/helpers/directshowmediatype.h +++ b/src/plugins/directshow/helpers/directshowmediatype.h @@ -45,39 +45,48 @@ #include <qvideosurfaceformat.h> #include <dvdmedia.h> +#include <QtCore/qglobal.h> QT_USE_NAMESPACE -class DirectShowMediaType : public AM_MEDIA_TYPE +class DirectShowMediaType { public: - DirectShowMediaType() { init(this); } - DirectShowMediaType(const AM_MEDIA_TYPE &type) { copy(this, type); } - DirectShowMediaType(const DirectShowMediaType &other) { copy(this, other); } - DirectShowMediaType &operator =(const AM_MEDIA_TYPE &type) { - freeData(this); copy(this, type); return *this; } - DirectShowMediaType &operator =(const DirectShowMediaType &other) { - freeData(this); copy(this, other); return *this; } - ~DirectShowMediaType() { freeData(this); } + DirectShowMediaType(); + DirectShowMediaType(const DirectShowMediaType &other); + DirectShowMediaType(DirectShowMediaType &&other); + explicit DirectShowMediaType(const AM_MEDIA_TYPE &type); + explicit DirectShowMediaType(AM_MEDIA_TYPE &&type); + ~DirectShowMediaType() { clear(mediaType); } - void clear() { freeData(this); init(this); } + DirectShowMediaType &operator =(const DirectShowMediaType &other); + DirectShowMediaType &operator =(DirectShowMediaType &&other); - bool isPartiallySpecified() const; - bool isCompatibleWith(const DirectShowMediaType *type) const; + void clear() { clear(mediaType); } + + inline AM_MEDIA_TYPE *operator &() Q_DECL_NOTHROW { return &mediaType; } + inline AM_MEDIA_TYPE *operator ->() Q_DECL_NOTHROW { return &mediaType; } + + inline const AM_MEDIA_TYPE *operator &() const Q_DECL_NOTHROW { return &mediaType; } + inline const AM_MEDIA_TYPE *operator ->() const Q_DECL_NOTHROW { return &mediaType; } static void init(AM_MEDIA_TYPE *type); - static void copy(AM_MEDIA_TYPE *target, const AM_MEDIA_TYPE &source); - static void freeData(AM_MEDIA_TYPE *type); + static void copy(AM_MEDIA_TYPE *target, const AM_MEDIA_TYPE *source); + static void move(AM_MEDIA_TYPE *target, AM_MEDIA_TYPE **source); + static void move(AM_MEDIA_TYPE *target, AM_MEDIA_TYPE &source); + static void clear(AM_MEDIA_TYPE &type); static void deleteType(AM_MEDIA_TYPE *type); - + static bool isPartiallySpecified(const AM_MEDIA_TYPE *mediaType); + static bool isCompatible(const AM_MEDIA_TYPE *a, const AM_MEDIA_TYPE *b); static GUID convertPixelFormat(QVideoFrame::PixelFormat format); - static QVideoSurfaceFormat formatFromType(const AM_MEDIA_TYPE &type); - static QVideoFrame::PixelFormat pixelFormatFromType(const AM_MEDIA_TYPE &type); + static QVideoSurfaceFormat videoFormatFromType(const AM_MEDIA_TYPE *type); + static QVideoFrame::PixelFormat pixelFormatFromType(const AM_MEDIA_TYPE *type); static int bytesPerLine(const QVideoSurfaceFormat &format); + static QVideoSurfaceFormat::Direction scanLineDirection(QVideoFrame::PixelFormat pixelFormat, const BITMAPINFOHEADER &bmiHeader); private: - static QVideoSurfaceFormat::Direction scanLineDirection(QVideoFrame::PixelFormat pixelFormat, const BITMAPINFOHEADER &bmiHeader); + AM_MEDIA_TYPE mediaType; }; Q_DECLARE_TYPEINFO(DirectShowMediaType, Q_MOVABLE_TYPE); diff --git a/src/plugins/directshow/helpers/directshowmediatypeenum.cpp b/src/plugins/directshow/helpers/directshowmediatypeenum.cpp index a1c8b2306..a58993f7f 100644 --- a/src/plugins/directshow/helpers/directshowmediatypeenum.cpp +++ b/src/plugins/directshow/helpers/directshowmediatypeenum.cpp @@ -72,7 +72,7 @@ HRESULT DirectShowMediaTypeEnum::Next(ULONG cMediaTypes, AM_MEDIA_TYPE **ppMedia for (ULONG i = 0; i < count; ++i, ++m_index) { ppMediaTypes[i] = reinterpret_cast<AM_MEDIA_TYPE *>(CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE))); - DirectShowMediaType::copy(ppMediaTypes[i], m_mediaTypes.at(m_index)); + DirectShowMediaType::copy(ppMediaTypes[i], &m_mediaTypes.at(m_index)); } if (pcFetched) diff --git a/src/plugins/directshow/helpers/directshowpin.cpp b/src/plugins/directshow/helpers/directshowpin.cpp index 6cf4da321..f501747f9 100644 --- a/src/plugins/directshow/helpers/directshowpin.cpp +++ b/src/plugins/directshow/helpers/directshowpin.cpp @@ -81,22 +81,20 @@ HRESULT DirectShowPin::Connect(IPin *pReceivePin, const AM_MEDIA_TYPE *pmt) if (pd == m_direction) return VFW_E_INVALID_DIRECTION; - const DirectShowMediaType *type = reinterpret_cast<const DirectShowMediaType*>(pmt); - - if (type != NULL && !type->isPartiallySpecified()) { + if (pmt != NULL && DirectShowMediaType::isPartiallySpecified(pmt)) { // If the type is fully specified, use it - hr = tryConnect(pReceivePin, type); + hr = tryConnect(pReceivePin, pmt); } else { IEnumMediaTypes *enumMediaTypes = NULL; // First, try the receiving pin's preferred types if (SUCCEEDED(pReceivePin->EnumMediaTypes(&enumMediaTypes))) { - hr = tryMediaTypes(pReceivePin, type, enumMediaTypes); + hr = tryMediaTypes(pReceivePin, pmt, enumMediaTypes); enumMediaTypes->Release(); } // Then, try this pin's preferred types if (FAILED(hr) && SUCCEEDED(EnumMediaTypes(&enumMediaTypes))) { - hr = tryMediaTypes(pReceivePin, type, enumMediaTypes); + hr = tryMediaTypes(pReceivePin, pmt, enumMediaTypes); enumMediaTypes->Release(); } } @@ -109,19 +107,19 @@ HRESULT DirectShowPin::Connect(IPin *pReceivePin, const AM_MEDIA_TYPE *pmt) return S_OK; } -HRESULT DirectShowPin::tryMediaTypes(IPin *pin, const DirectShowMediaType *partialType, IEnumMediaTypes *enumMediaTypes) +HRESULT DirectShowPin::tryMediaTypes(IPin *pin, const AM_MEDIA_TYPE *partialType, IEnumMediaTypes *enumMediaTypes) { HRESULT hr = enumMediaTypes->Reset(); if (FAILED(hr)) return hr; - DirectShowMediaType *mediaType = NULL; + AM_MEDIA_TYPE *mediaType = NULL; ULONG mediaCount = 0; HRESULT hrFailure = VFW_E_NO_ACCEPTABLE_TYPES; - for (; enumMediaTypes->Next(1, reinterpret_cast<AM_MEDIA_TYPE**>(&mediaType), &mediaCount) == S_OK;) { + for (; enumMediaTypes->Next(1, &mediaType, &mediaCount) == S_OK;) { - if (mediaType && (partialType == NULL || mediaType->isCompatibleWith(partialType))) { + if (mediaType && (partialType == NULL || DirectShowMediaType::isCompatible(mediaType, partialType))) { hr = tryConnect(pin, mediaType); if (FAILED(hr) && (hr != E_FAIL) @@ -141,7 +139,7 @@ HRESULT DirectShowPin::tryMediaTypes(IPin *pin, const DirectShowMediaType *parti return hrFailure; } -HRESULT DirectShowPin::tryConnect(IPin *pin, const DirectShowMediaType *type) +HRESULT DirectShowPin::tryConnect(IPin *pin, const AM_MEDIA_TYPE *type) { if (!isMediaTypeSupported(type)) return VFW_E_TYPE_NOT_ACCEPTED; @@ -189,15 +187,14 @@ HRESULT DirectShowPin::ReceiveConnection(IPin *pConnector, const AM_MEDIA_TYPE * if (pd == m_direction) return VFW_E_INVALID_DIRECTION; - const DirectShowMediaType *type = reinterpret_cast<const DirectShowMediaType*>(pmt); - if (!isMediaTypeSupported(type)) + if (!isMediaTypeSupported(pmt)) return VFW_E_TYPE_NOT_ACCEPTED; m_peerPin = pConnector; m_peerPin->AddRef(); HRESULT hr; - if (!setMediaType(type)) + if (!setMediaType(pmt)) hr = VFW_E_TYPE_NOT_ACCEPTED; else hr = completeConnection(pConnector); @@ -265,7 +262,7 @@ HRESULT DirectShowPin::ConnectionMediaType(AM_MEDIA_TYPE *pmt) DirectShowMediaType::init(pmt); return VFW_E_NOT_CONNECTED; } else { - DirectShowMediaType::copy(pmt, m_mediaType); + DirectShowMediaType::copy(pmt, &m_mediaType); return S_OK; } } @@ -309,7 +306,7 @@ HRESULT DirectShowPin::QueryAccept(const AM_MEDIA_TYPE *pmt) if (!pmt) return E_POINTER; - if (!isMediaTypeSupported(reinterpret_cast<const DirectShowMediaType*>(pmt))) + if (!isMediaTypeSupported(pmt)) return S_FALSE; return S_OK; @@ -370,12 +367,12 @@ QList<DirectShowMediaType> DirectShowPin::supportedMediaTypes() return QList<DirectShowMediaType>(); } -bool DirectShowPin::setMediaType(const DirectShowMediaType *type) +bool DirectShowPin::setMediaType(const AM_MEDIA_TYPE *type) { if (!type) m_mediaType.clear(); else - m_mediaType = *type; + DirectShowMediaType::copy(&m_mediaType, type); return true; } @@ -673,7 +670,7 @@ HRESULT DirectShowInputPin::Receive(IMediaSample *pSample) if (!(m_sampleProperties.dwSampleFlags & AM_SAMPLE_TYPECHANGED)) return S_OK; - if (isMediaTypeSupported(reinterpret_cast<DirectShowMediaType*>(m_sampleProperties.pMediaType))) + if (isMediaTypeSupported(m_sampleProperties.pMediaType)) return S_OK; m_inErrorState = true; diff --git a/src/plugins/directshow/helpers/directshowpin.h b/src/plugins/directshow/helpers/directshowpin.h index 823223956..b8207abae 100644 --- a/src/plugins/directshow/helpers/directshowpin.h +++ b/src/plugins/directshow/helpers/directshowpin.h @@ -55,9 +55,9 @@ public: QString name() const { return m_name; } bool isConnected() const { return m_peerPin != NULL; } - virtual bool isMediaTypeSupported(const DirectShowMediaType *type) = 0; + virtual bool isMediaTypeSupported(const AM_MEDIA_TYPE *type) = 0; virtual QList<DirectShowMediaType> supportedMediaTypes(); - virtual bool setMediaType(const DirectShowMediaType *type); + virtual bool setMediaType(const AM_MEDIA_TYPE *type); virtual HRESULT completeConnection(IPin *pin); virtual HRESULT connectionEnded(); @@ -107,8 +107,8 @@ protected: private: Q_DISABLE_COPY(DirectShowPin) - HRESULT tryMediaTypes(IPin *pin, const DirectShowMediaType *type, IEnumMediaTypes *enumMediaTypes); - HRESULT tryConnect(IPin *pin, const DirectShowMediaType *type); + HRESULT tryMediaTypes(IPin *pin, const AM_MEDIA_TYPE *type, IEnumMediaTypes *enumMediaTypes); + HRESULT tryConnect(IPin *pin, const AM_MEDIA_TYPE *type); }; diff --git a/src/plugins/directshow/helpers/directshowutils.cpp b/src/plugins/directshow/helpers/directshowutils.cpp new file mode 100644 index 000000000..d9701fd99 --- /dev/null +++ b/src/plugins/directshow/helpers/directshowutils.cpp @@ -0,0 +1,309 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "directshowutils.h" + +/** + * @brief DirectShowUtils::isPinConnected + * @param pin + * @param hrOut + * @return + */ +bool DirectShowUtils::isPinConnected(IPin *pin, HRESULT *hrOut) +{ + IPin *connectedPin = nullptr; + const ScopedSafeRelease<IPin> releasePin { &connectedPin }; + HRESULT hr = S_OK; + if (!hrOut) + hrOut = &hr; + + *hrOut = pin->ConnectedTo(&connectedPin); + if (*hrOut == VFW_E_NOT_CONNECTED) // Not an error in this case + *hrOut = S_OK; + + if (FAILED(*hrOut)) { + qCDebug(qtDirectShowPlugin, "Querying pin connection failed!"); + return false; + } + + return true; +} + +/** + * @brief DirectShowUtils::hasPinDirection + * @param pin + * @param direction + * @param hrOut + * @return + */ +bool DirectShowUtils::hasPinDirection(IPin *pin, PIN_DIRECTION direction, HRESULT *hrOut) +{ + PIN_DIRECTION pinDir; + HRESULT hr = S_OK; + if (!hrOut) + hrOut = &hr; + + *hrOut = pin->QueryDirection(&pinDir); + + if (FAILED(*hrOut)) { + qCDebug(qtDirectShowPlugin, "Querying pin direction failed!"); + return false; + } + + return (pinDir == direction); +} + +/** + * @brief DirectShowUtils::getPin + * @param filter + * @param pinDirection + * @param pin + * @param hrOut + * @return + */ +bool DirectShowUtils::getPin(IBaseFilter *filter, PIN_DIRECTION pinDirection, IPin **pin, HRESULT *hrOut) +{ + IEnumPins *enumPins = nullptr; + const ScopedSafeRelease<IEnumPins> releaseEnumPins { &enumPins }; + HRESULT hr S_OK; + if (!hrOut) + hrOut = &hr; + + *hrOut = filter->EnumPins(&enumPins); + if (FAILED(*hrOut)) { + qCDebug(qtDirectShowPlugin, "Unable to retrieve pins from the filter!"); + return false; + } + + enumPins->Reset(); + IPin *nextPin = nullptr; + while (enumPins->Next(1, &nextPin, NULL) == S_OK) { + const ScopedSafeRelease<IPin> releasePin { &nextPin }; + PIN_DIRECTION currentPinDir; + *hrOut = nextPin->QueryDirection(¤tPinDir); + if (currentPinDir == pinDirection) { + *pin = nextPin; + (*pin)->AddRef(); + return true; + } + } + + return false; +} + +/** + * @brief DirectShowUtils::matchPin + * @param pin + * @param pinDirection + * @param shouldBeConnected + * @param hrOut + * @return + */ +bool DirectShowUtils::matchPin(IPin *pin, PIN_DIRECTION pinDirection, BOOL shouldBeConnected, HRESULT *hrOut) +{ + HRESULT hr = S_OK; + if (!hrOut) + hrOut = &hr; + + const BOOL isConnected = isPinConnected(pin, hrOut); + if (FAILED(*hrOut)) // Error reason will already be logged, so just return. + return false; + + if (isConnected == shouldBeConnected) + return hasPinDirection(pin, pinDirection, hrOut); + + return SUCCEEDED(*hrOut); +} + +/** + * @brief DirectShowUtils::findUnconnectedPin + * @param filter + * @param pinDirection + * @param pin + * @param hrOut + * @return + */ +bool DirectShowUtils::findUnconnectedPin(IBaseFilter *filter, PIN_DIRECTION pinDirection, IPin **pin, HRESULT *hrOut) +{ + HRESULT hr = S_OK; + if (!hrOut) + hrOut = &hr; + + IEnumPins *enumPins = nullptr; + const ScopedSafeRelease<IEnumPins> releaseEnumPins { &enumPins }; + *hrOut = filter->EnumPins(&enumPins); + if (FAILED(*hrOut)) { + qCDebug(qtDirectShowPlugin, "Unable to retrieve pins from the DS filter"); + return false; + } + + IPin *nextPin = nullptr; + while (S_OK == enumPins->Next(1, &nextPin, nullptr)) { + const ScopedSafeRelease<IPin> releaseNextPin { &nextPin }; + if (matchPin(nextPin, pinDirection, FALSE, hrOut)) { + *pin = nextPin; + (*pin)->AddRef(); + return true; + } + + if (FAILED(*hrOut)) + return false; + } + + qCDebug(qtDirectShowPlugin, "No unconnected pins found"); + *hrOut = VFW_E_NOT_FOUND; + + return false; +} + +/** + * @brief DirectShowUtils::connectFilters - Attempts to connect \a outputPin to \a filter + * @param graph + * @param outputPin + * @param filter + * @param hrOut + * @return + */ +bool DirectShowUtils::connectFilters(IGraphBuilder *graph, IPin *outputPin, IBaseFilter *filter, HRESULT *hrOut) +{ + + // Find an input pin on the downstream filter. + HRESULT hr = S_OK; + if (!hrOut) + hrOut = &hr; + + IPin *inputPin = nullptr; + const ScopedSafeRelease<IPin> releaseInputPin { &inputPin }; + if (!findUnconnectedPin(filter, PINDIR_INPUT, &inputPin, hrOut)) + return false; + + + // Try to connect them. + *hrOut = graph->Connect(outputPin, inputPin); + if (FAILED(*hrOut)) { + qCDebug(qtDirectShowPlugin, "Unable to connect output pin to filter!"); + return false; + } + + return true; +} + +/** + * @brief DirectShowUtils::connectFilters - Attempts to connect \a filter to \a inputPin. + * @param graph + * @param filter + * @param inputPin + * @param hrOut + * @return + */ +bool DirectShowUtils::connectFilters(IGraphBuilder *graph, IBaseFilter *filter, IPin *inputPin, HRESULT *hrOut) +{ + HRESULT hr = S_OK; + if (!hrOut) + hrOut = &hr; + + IPin *outputPin = nullptr; + const ScopedSafeRelease<IPin> releaseOutputPin { &outputPin }; + // Find an output pin on the upstream filter. + if (findUnconnectedPin(filter, PINDIR_OUTPUT, &outputPin, hrOut)) + return false; + + *hrOut = graph->Connect(outputPin, inputPin); + if (FAILED(*hrOut)) { + qCDebug(qtDirectShowPlugin, "Unable to connect filter to input pin!"); + return false; + } + + return true; +} + +/** + * @brief DirectShowUtils::connectFilters - Attempts to connect the \a upstreamFilter to \a downstreamFilter. + * @param graph + * @param upstreamFilter + * @param downstreamFilter + * @param autoConnect - If set to true all filters in the graph will be considered. + * @param hrOut + * @return true if the the filters were connected, false otherwise. + */ +bool DirectShowUtils::connectFilters(IGraphBuilder *graph, + IBaseFilter *upstreamFilter, + IBaseFilter *downstreamFilter, + bool autoConnect, + HRESULT *hrOut) +{ + HRESULT hr = S_OK; + if (!hrOut) + hrOut = &hr; + + const auto findAndConnect = [graph, downstreamFilter, hrOut](IBaseFilter *filter) -> bool { + IPin *outputPin = nullptr; + const ScopedSafeRelease<IPin> releaseOutputPin { &outputPin }; + if (findUnconnectedPin(filter, PINDIR_OUTPUT, &outputPin, hrOut)) + return connectFilters(graph, outputPin, downstreamFilter, hrOut); + + return false; + }; + + // Try to connect to the upstream filter first. + if (findAndConnect(upstreamFilter)) + return S_OK; + + const auto getFilters = [graph, hrOut]() -> IEnumFilters * { + IEnumFilters *f = nullptr; + *hrOut = graph->EnumFilters(&f); + return f; + }; + IEnumFilters *filters = autoConnect ? getFilters() + : nullptr; + const ScopedSafeRelease<IEnumFilters> releaseEnumFilters { &filters }; + if (!filters) { + qCDebug(qtDirectShowPlugin, "No filters found!"); + return false; + } + + IBaseFilter *nextFilter = nullptr; + while (S_OK == filters->Next(1, &nextFilter, 0)) { + const ScopedSafeRelease<IBaseFilter> releaseNextFilter { &nextFilter }; + if (nextFilter && findAndConnect(nextFilter)) + break; + } + + return SUCCEEDED(*hrOut); +} diff --git a/src/plugins/directshow/helpers/directshowutils.h b/src/plugins/directshow/helpers/directshowutils.h new file mode 100644 index 000000000..09c81c257 --- /dev/null +++ b/src/plugins/directshow/helpers/directshowutils.h @@ -0,0 +1,87 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef DIRECTSHOWUTILS_H +#define DIRECTSHOWUTILS_H + +#include "directshowglobal.h" + +QT_BEGIN_NAMESPACE + +namespace DirectShowUtils +{ +template <typename T> +void safeRelease(T **iface) { + if (!iface) + return; + + if (!*iface) + return; + + (*iface)->Release(); + *iface = nullptr; +} + +template <typename T> +struct ScopedSafeRelease +{ + T **iunknown; + ~ScopedSafeRelease() + { + DirectShowUtils::safeRelease(iunknown); + } +}; + +bool getPin(IBaseFilter *filter, PIN_DIRECTION pinDirection, IPin **pin, HRESULT *hrOut); +bool isPinConnected(IPin *pin, HRESULT *hrOut = nullptr); +bool hasPinDirection(IPin *pin, PIN_DIRECTION direction, HRESULT *hrOut = nullptr); +bool matchPin(IPin *pin, PIN_DIRECTION pinDirection, BOOL shouldBeConnected, HRESULT *hrOut = nullptr); +bool findUnconnectedPin(IBaseFilter *filter, PIN_DIRECTION pinDirection, IPin **pin, HRESULT *hrOut = nullptr); +bool connectFilters(IGraphBuilder *graph, IPin *outputPin, IBaseFilter *filter, HRESULT *hrOut = nullptr); +bool connectFilters(IGraphBuilder *graph, IBaseFilter *filter, IPin *inputPin, HRESULT *hrOut = nullptr); +bool connectFilters(IGraphBuilder *graph, + IBaseFilter *upstreamFilter, + IBaseFilter *downstreamFilter, + bool autoConnect = false, + HRESULT *hrOut = nullptr); +} + +QT_END_NAMESPACE + +#endif // DIRECTSHOWUTILS_H diff --git a/src/plugins/directshow/helpers/helpers.pri b/src/plugins/directshow/helpers/helpers.pri index b3743a680..ca883eeb8 100644 --- a/src/plugins/directshow/helpers/helpers.pri +++ b/src/plugins/directshow/helpers/helpers.pri @@ -9,7 +9,8 @@ HEADERS += \ $$PWD/directshowobject.h \ $$PWD/directshowpin.h \ $$PWD/directshowpinenum.h \ - $$PWD/directshowvideobuffer.h + $$PWD/directshowvideobuffer.h \ + $$PWD/directshowutils.h SOURCES += \ $$PWD/directshowbasefilter.cpp \ @@ -19,4 +20,5 @@ SOURCES += \ $$PWD/directshowobject.cpp \ $$PWD/directshowpin.cpp \ $$PWD/directshowpinenum.cpp \ - $$PWD/directshowvideobuffer.cpp + $$PWD/directshowvideobuffer.cpp \ + $$PWD/directshowutils.cpp |