diff options
| -rw-r--r-- | src/plugins/directshow/player/directshowiosource.cpp | 82 | ||||
| -rw-r--r-- | src/plugins/directshow/player/directshowiosource.h | 2 | ||||
| -rw-r--r-- | src/plugins/directshow/player/directshowmediatypelist.h | 4 |
3 files changed, 77 insertions, 11 deletions
diff --git a/src/plugins/directshow/player/directshowiosource.cpp b/src/plugins/directshow/player/directshowiosource.cpp index 6fa3c7b9a..1b74415e4 100644 --- a/src/plugins/directshow/player/directshowiosource.cpp +++ b/src/plugins/directshow/player/directshowiosource.cpp @@ -40,6 +40,22 @@ #include <QtCore/qcoreapplication.h> #include <QtCore/qurl.h> +static const GUID directshow_subtypes[] = +{ + MEDIASUBTYPE_NULL, + MEDIASUBTYPE_Avi, + MEDIASUBTYPE_Asf, + MEDIASUBTYPE_MPEG1Video, + MEDIASUBTYPE_QTMovie, + MEDIASUBTYPE_WAVE, + MEDIASUBTYPE_AIFF, + MEDIASUBTYPE_AU, + MEDIASUBTYPE_DssVideo, + MEDIASUBTYPE_MPEG1Audio, + MEDIASUBTYPE_MPEG1System, + MEDIASUBTYPE_MPEG1VideoCD +}; + DirectShowIOSource::DirectShowIOSource(DirectShowEventLoop *loop) : m_ref(1) , m_state(State_Stopped) @@ -58,13 +74,29 @@ DirectShowIOSource::DirectShowIOSource(DirectShowEventLoop *loop) // // The filter works in pull mode, the downstream filter is responsible for requesting // samples from this one. + // + QVector<AM_MEDIA_TYPE> mediaTypes; + AM_MEDIA_TYPE type = + { + MEDIATYPE_Stream, // majortype + MEDIASUBTYPE_NULL, // subtype + TRUE, // bFixedSizeSamples + FALSE, // bTemporalCompression + 1, // lSampleSize + GUID_NULL, // formattype + 0, // pUnk + 0, // cbFormat + 0, // pbFormat + }; + + static const int count = sizeof(directshow_subtypes) / sizeof(GUID); + + for (int i = 0; i < count; ++i) { + type.subtype = directshow_subtypes[i]; + mediaTypes.append(type); + } - m_outputType.majortype = MEDIATYPE_Stream; - m_outputType.subtype = MEDIASUBTYPE_NULL; // Wildcard - m_outputType.bFixedSizeSamples = TRUE; - m_outputType.lSampleSize = 1; - - setMediaTypes(QVector<AM_MEDIA_TYPE>() << m_outputType); + setMediaTypes(mediaTypes); } DirectShowIOSource::~DirectShowIOSource() @@ -321,14 +353,44 @@ HRESULT DirectShowIOSource::Connect(IPin *pReceivePin, const AM_MEDIA_TYPE *pmt) return VFW_E_ALREADY_CONNECTED; // If we get a type from the graph manager, check that we support that - if (pmt && (pmt->majortype != MEDIATYPE_Stream || pmt->subtype != MEDIASUBTYPE_NULL)) + if (pmt && pmt->majortype != MEDIATYPE_Stream) return VFW_E_TYPE_NOT_ACCEPTED; // This filter only works in pull mode, the downstream filter must query for the // AsyncReader interface during ReceiveConnection(). // If it doesn't, we can't connect to it. m_queriedForAsyncReader = false; - HRESULT hr = pReceivePin->ReceiveConnection(this, pmt ? pmt : &m_outputType); + HRESULT hr = 0; + // Negotiation of media type + // - Complete'ish type (Stream with subtype specified). + if (pmt && pmt->subtype != MEDIASUBTYPE_NULL /* aka. GUID_NULL */) { + hr = pReceivePin->ReceiveConnection(this, pmt); + // Update the media type for the current connection. + if (SUCCEEDED(hr)) + m_connectionMediaType = *pmt; + } else if (pmt && pmt->subtype == MEDIATYPE_NULL) { // - Partial type (Stream, but no subtype specified). + m_connectionMediaType = *pmt; + // Check if the receiving pin accepts any of the streaming subtypes. + QVector<AM_MEDIA_TYPE>::const_iterator cit = m_mediaTypes.constBegin(); + while (cit != m_mediaTypes.constEnd()) { + m_connectionMediaType.subtype = cit->subtype; + hr = pReceivePin->ReceiveConnection(this, &m_connectionMediaType); + if (SUCCEEDED(hr)) + break; + ++cit; + } + } else { // - No media type specified. + // Check if the receiving pin accepts any of the streaming types. + QVector<AM_MEDIA_TYPE>::const_iterator cit = m_mediaTypes.constBegin(); + while (cit != m_mediaTypes.constEnd()) { + hr = pReceivePin->ReceiveConnection(this, cit); + if (SUCCEEDED(hr)) { + m_connectionMediaType = *cit; + break; + } + ++cit; + } + } if (SUCCEEDED(hr) && m_queriedForAsyncReader) { m_peerPin = pReceivePin; @@ -341,6 +403,8 @@ HRESULT DirectShowIOSource::Connect(IPin *pReceivePin, const AM_MEDIA_TYPE *pmt) } if (!m_queriedForAsyncReader) hr = VFW_E_NO_TRANSPORT; + + m_connectionMediaType.clear(); } return hr; @@ -413,7 +477,7 @@ HRESULT DirectShowIOSource::ConnectionMediaType(AM_MEDIA_TYPE *pmt) return VFW_E_NOT_CONNECTED; } else { - DirectShowMediaType::copy(pmt, m_outputType); + DirectShowMediaType::copy(pmt, m_connectionMediaType); return S_OK; } diff --git a/src/plugins/directshow/player/directshowiosource.h b/src/plugins/directshow/player/directshowiosource.h index f5e8ec6d1..60300ba18 100644 --- a/src/plugins/directshow/player/directshowiosource.h +++ b/src/plugins/directshow/player/directshowiosource.h @@ -119,7 +119,7 @@ private: IReferenceClock *m_clock; IMemAllocator *m_allocator; IPin *m_peerPin; - DirectShowMediaType m_outputType; + DirectShowMediaType m_connectionMediaType; QString m_filterName; const QString m_pinId; bool m_queriedForAsyncReader; diff --git a/src/plugins/directshow/player/directshowmediatypelist.h b/src/plugins/directshow/player/directshowmediatypelist.h index 860334532..8dc6e17e4 100644 --- a/src/plugins/directshow/player/directshowmediatypelist.h +++ b/src/plugins/directshow/player/directshowmediatypelist.h @@ -54,9 +54,11 @@ public: virtual HRESULT skipMediaType(int token, int *index, ULONG count); virtual HRESULT cloneMediaType(int token, int index, IEnumMediaTypes **enumeration); +protected: + QVector<AM_MEDIA_TYPE> m_mediaTypes; + private: int m_mediaTypeToken; - QVector<AM_MEDIA_TYPE> m_mediaTypes; }; #endif |