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-rw-r--r--libavdevice/dshow.h268
1 files changed, 268 insertions, 0 deletions
diff --git a/libavdevice/dshow.h b/libavdevice/dshow.h
new file mode 100644
index 0000000000..83c71c48e8
--- /dev/null
+++ b/libavdevice/dshow.h
@@ -0,0 +1,268 @@
+/*
+ * DirectShow capture interface
+ * Copyright (c) 2010 Ramiro Polla
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#define DSHOWDEBUG 0
+
+#include "avdevice.h"
+
+#define COBJMACROS
+#include <windows.h>
+#include <dshow.h>
+#include <dvdmedia.h>
+
+long ff_copy_dshow_media_type(AM_MEDIA_TYPE *dst, const AM_MEDIA_TYPE *src);
+void ff_print_VIDEO_STREAM_CONFIG_CAPS(const VIDEO_STREAM_CONFIG_CAPS *caps);
+void ff_print_AUDIO_STREAM_CONFIG_CAPS(const AUDIO_STREAM_CONFIG_CAPS *caps);
+void ff_print_AM_MEDIA_TYPE(const AM_MEDIA_TYPE *type);
+void ff_printGUID(const GUID *g);
+
+#if DSHOWDEBUG
+extern const AVClass *ff_dshow_context_class_ptr;
+#define dshowdebug(...) av_log(&ff_dshow_context_class_ptr, AV_LOG_DEBUG, __VA_ARGS__)
+#else
+#define dshowdebug(...)
+#endif
+
+static inline void nothing(void *foo)
+{
+}
+
+struct GUIDoffset {
+ const GUID *iid;
+ int offset;
+};
+
+enum dshowDeviceType {
+ VideoDevice = 0,
+ AudioDevice = 1,
+};
+
+#define DECLARE_QUERYINTERFACE(class, ...) \
+long WINAPI \
+class##_QueryInterface(class *this, const GUID *riid, void **ppvObject) \
+{ \
+ struct GUIDoffset ifaces[] = __VA_ARGS__; \
+ int i; \
+ dshowdebug(AV_STRINGIFY(class)"_QueryInterface(%p, %p, %p)\n", this, riid, ppvObject); \
+ ff_printGUID(riid); \
+ if (!ppvObject) \
+ return E_POINTER; \
+ for (i = 0; i < sizeof(ifaces)/sizeof(ifaces[0]); i++) { \
+ if (IsEqualGUID(riid, ifaces[i].iid)) { \
+ void *obj = (void *) ((uint8_t *) this + ifaces[i].offset); \
+ class##_AddRef(this); \
+ dshowdebug("\tfound %d with offset %d\n", i, ifaces[i].offset); \
+ *ppvObject = (void *) obj; \
+ return S_OK; \
+ } \
+ } \
+ dshowdebug("\tE_NOINTERFACE\n"); \
+ *ppvObject = NULL; \
+ return E_NOINTERFACE; \
+}
+#define DECLARE_ADDREF(class) \
+unsigned long WINAPI \
+class##_AddRef(class *this) \
+{ \
+ dshowdebug(AV_STRINGIFY(class)"_AddRef(%p)\t%ld\n", this, this->ref+1); \
+ return InterlockedIncrement(&this->ref); \
+}
+#define DECLARE_RELEASE(class) \
+unsigned long WINAPI \
+class##_Release(class *this) \
+{ \
+ long ref = InterlockedDecrement(&this->ref); \
+ dshowdebug(AV_STRINGIFY(class)"_Release(%p)\t%ld\n", this, ref); \
+ if (!ref) \
+ class##_Destroy(this); \
+ return ref; \
+}
+
+#define DECLARE_DESTROY(class, func) \
+void class##_Destroy(class *this) \
+{ \
+ dshowdebug(AV_STRINGIFY(class)"_Destroy(%p)\n", this); \
+ func(this); \
+ if (this) { \
+ if (this->vtbl) \
+ CoTaskMemFree(this->vtbl); \
+ CoTaskMemFree(this); \
+ } \
+}
+#define DECLARE_CREATE(class, setup, ...) \
+class *class##_Create(__VA_ARGS__) \
+{ \
+ class *this = CoTaskMemAlloc(sizeof(class)); \
+ void *vtbl = CoTaskMemAlloc(sizeof(*this->vtbl)); \
+ dshowdebug(AV_STRINGIFY(class)"_Create(%p)\n", this); \
+ if (!this || !vtbl) \
+ goto fail; \
+ ZeroMemory(this, sizeof(class)); \
+ ZeroMemory(vtbl, sizeof(*this->vtbl)); \
+ this->ref = 1; \
+ this->vtbl = vtbl; \
+ if (!setup) \
+ goto fail; \
+ dshowdebug("created "AV_STRINGIFY(class)" %p\n", this); \
+ return this; \
+fail: \
+ class##_Destroy(this); \
+ dshowdebug("could not create "AV_STRINGIFY(class)"\n"); \
+ return NULL; \
+}
+
+#define SETVTBL(vtbl, class, fn) \
+ do { (vtbl)->fn = (void *) class##_##fn; } while(0)
+
+/*****************************************************************************
+ * Forward Declarations
+ ****************************************************************************/
+typedef struct libAVPin libAVPin;
+typedef struct libAVMemInputPin libAVMemInputPin;
+typedef struct libAVEnumPins libAVEnumPins;
+typedef struct libAVEnumMediaTypes libAVEnumMediaTypes;
+typedef struct libAVFilter libAVFilter;
+
+/*****************************************************************************
+ * libAVPin
+ ****************************************************************************/
+struct libAVPin {
+ IPinVtbl *vtbl;
+ long ref;
+ libAVFilter *filter;
+ IPin *connectedto;
+ AM_MEDIA_TYPE type;
+ IMemInputPinVtbl *imemvtbl;
+};
+
+long WINAPI libAVPin_QueryInterface (libAVPin *, const GUID *, void **);
+unsigned long WINAPI libAVPin_AddRef (libAVPin *);
+unsigned long WINAPI libAVPin_Release (libAVPin *);
+long WINAPI libAVPin_Connect (libAVPin *, IPin *, const AM_MEDIA_TYPE *);
+long WINAPI libAVPin_ReceiveConnection (libAVPin *, IPin *, const AM_MEDIA_TYPE *);
+long WINAPI libAVPin_Disconnect (libAVPin *);
+long WINAPI libAVPin_ConnectedTo (libAVPin *, IPin **);
+long WINAPI libAVPin_ConnectionMediaType (libAVPin *, AM_MEDIA_TYPE *);
+long WINAPI libAVPin_QueryPinInfo (libAVPin *, PIN_INFO *);
+long WINAPI libAVPin_QueryDirection (libAVPin *, PIN_DIRECTION *);
+long WINAPI libAVPin_QueryId (libAVPin *, wchar_t **);
+long WINAPI libAVPin_QueryAccept (libAVPin *, const AM_MEDIA_TYPE *);
+long WINAPI libAVPin_EnumMediaTypes (libAVPin *, IEnumMediaTypes **);
+long WINAPI libAVPin_QueryInternalConnections(libAVPin *, IPin **, unsigned long *);
+long WINAPI libAVPin_EndOfStream (libAVPin *);
+long WINAPI libAVPin_BeginFlush (libAVPin *);
+long WINAPI libAVPin_EndFlush (libAVPin *);
+long WINAPI libAVPin_NewSegment (libAVPin *, REFERENCE_TIME, REFERENCE_TIME, double);
+
+long WINAPI libAVMemInputPin_QueryInterface (libAVMemInputPin *, const GUID *, void **);
+unsigned long WINAPI libAVMemInputPin_AddRef (libAVMemInputPin *);
+unsigned long WINAPI libAVMemInputPin_Release (libAVMemInputPin *);
+long WINAPI libAVMemInputPin_GetAllocator (libAVMemInputPin *, IMemAllocator **);
+long WINAPI libAVMemInputPin_NotifyAllocator (libAVMemInputPin *, IMemAllocator *, WINBOOL);
+long WINAPI libAVMemInputPin_GetAllocatorRequirements(libAVMemInputPin *, ALLOCATOR_PROPERTIES *);
+long WINAPI libAVMemInputPin_Receive (libAVMemInputPin *, IMediaSample *);
+long WINAPI libAVMemInputPin_ReceiveMultiple (libAVMemInputPin *, IMediaSample **, long, long *);
+long WINAPI libAVMemInputPin_ReceiveCanBlock (libAVMemInputPin *);
+
+void libAVPin_Destroy(libAVPin *);
+libAVPin *libAVPin_Create (libAVFilter *filter);
+
+void libAVMemInputPin_Destroy(libAVMemInputPin *);
+
+/*****************************************************************************
+ * libAVEnumPins
+ ****************************************************************************/
+struct libAVEnumPins {
+ IEnumPinsVtbl *vtbl;
+ long ref;
+ int pos;
+ libAVPin *pin;
+ libAVFilter *filter;
+};
+
+long WINAPI libAVEnumPins_QueryInterface(libAVEnumPins *, const GUID *, void **);
+unsigned long WINAPI libAVEnumPins_AddRef (libAVEnumPins *);
+unsigned long WINAPI libAVEnumPins_Release (libAVEnumPins *);
+long WINAPI libAVEnumPins_Next (libAVEnumPins *, unsigned long, IPin **, unsigned long *);
+long WINAPI libAVEnumPins_Skip (libAVEnumPins *, unsigned long);
+long WINAPI libAVEnumPins_Reset (libAVEnumPins *);
+long WINAPI libAVEnumPins_Clone (libAVEnumPins *, libAVEnumPins **);
+
+void libAVEnumPins_Destroy(libAVEnumPins *);
+libAVEnumPins *libAVEnumPins_Create (libAVPin *pin, libAVFilter *filter);
+
+/*****************************************************************************
+ * libAVEnumMediaTypes
+ ****************************************************************************/
+struct libAVEnumMediaTypes {
+ IEnumPinsVtbl *vtbl;
+ long ref;
+ int pos;
+ AM_MEDIA_TYPE type;
+};
+
+long WINAPI libAVEnumMediaTypes_QueryInterface(libAVEnumMediaTypes *, const GUID *, void **);
+unsigned long WINAPI libAVEnumMediaTypes_AddRef (libAVEnumMediaTypes *);
+unsigned long WINAPI libAVEnumMediaTypes_Release (libAVEnumMediaTypes *);
+long WINAPI libAVEnumMediaTypes_Next (libAVEnumMediaTypes *, unsigned long, AM_MEDIA_TYPE **, unsigned long *);
+long WINAPI libAVEnumMediaTypes_Skip (libAVEnumMediaTypes *, unsigned long);
+long WINAPI libAVEnumMediaTypes_Reset (libAVEnumMediaTypes *);
+long WINAPI libAVEnumMediaTypes_Clone (libAVEnumMediaTypes *, libAVEnumMediaTypes **);
+
+void libAVEnumMediaTypes_Destroy(libAVEnumMediaTypes *);
+libAVEnumMediaTypes *libAVEnumMediaTypes_Create(const AM_MEDIA_TYPE *type);
+
+/*****************************************************************************
+ * libAVFilter
+ ****************************************************************************/
+struct libAVFilter {
+ IBaseFilterVtbl *vtbl;
+ long ref;
+ const wchar_t *name;
+ libAVPin *pin;
+ FILTER_INFO info;
+ FILTER_STATE state;
+ IReferenceClock *clock;
+ enum dshowDeviceType type;
+ void *priv_data;
+ int stream_index;
+ int64_t start_time;
+ void (*callback)(void *priv_data, int index, uint8_t *buf, int buf_size, int64_t time);
+};
+
+long WINAPI libAVFilter_QueryInterface (libAVFilter *, const GUID *, void **);
+unsigned long WINAPI libAVFilter_AddRef (libAVFilter *);
+unsigned long WINAPI libAVFilter_Release (libAVFilter *);
+long WINAPI libAVFilter_GetClassID (libAVFilter *, CLSID *);
+long WINAPI libAVFilter_Stop (libAVFilter *);
+long WINAPI libAVFilter_Pause (libAVFilter *);
+long WINAPI libAVFilter_Run (libAVFilter *, REFERENCE_TIME);
+long WINAPI libAVFilter_GetState (libAVFilter *, DWORD, FILTER_STATE *);
+long WINAPI libAVFilter_SetSyncSource (libAVFilter *, IReferenceClock *);
+long WINAPI libAVFilter_GetSyncSource (libAVFilter *, IReferenceClock **);
+long WINAPI libAVFilter_EnumPins (libAVFilter *, IEnumPins **);
+long WINAPI libAVFilter_FindPin (libAVFilter *, const wchar_t *, IPin **);
+long WINAPI libAVFilter_QueryFilterInfo(libAVFilter *, FILTER_INFO *);
+long WINAPI libAVFilter_JoinFilterGraph(libAVFilter *, IFilterGraph *, const wchar_t *);
+long WINAPI libAVFilter_QueryVendorInfo(libAVFilter *, wchar_t **);
+
+void libAVFilter_Destroy(libAVFilter *);
+libAVFilter *libAVFilter_Create (void *, void *, enum dshowDeviceType);