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00022 #define DSHOWDEBUG 0
00023
00024 #include "avdevice.h"
00025
00026 #define COBJMACROS
00027 #include <windows.h>
00028 #include <dshow.h>
00029 #include <dvdmedia.h>
00030
00031 long ff_copy_dshow_media_type(AM_MEDIA_TYPE *dst, const AM_MEDIA_TYPE *src);
00032 void ff_print_VIDEO_STREAM_CONFIG_CAPS(const VIDEO_STREAM_CONFIG_CAPS *caps);
00033 void ff_print_AUDIO_STREAM_CONFIG_CAPS(const AUDIO_STREAM_CONFIG_CAPS *caps);
00034 void ff_print_AM_MEDIA_TYPE(const AM_MEDIA_TYPE *type);
00035 void ff_printGUID(const GUID *g);
00036
00037 #if DSHOWDEBUG
00038 extern const AVClass *ff_dshow_context_class_ptr;
00039 #define dshowdebug(...) av_log(&ff_dshow_context_class_ptr, AV_LOG_DEBUG, __VA_ARGS__)
00040 #else
00041 #define dshowdebug(...)
00042 #endif
00043
00044 static inline void nothing(void *foo)
00045 {
00046 }
00047
00048 struct GUIDoffset {
00049 const GUID *iid;
00050 int offset;
00051 };
00052
00053 enum dshowDeviceType {
00054 VideoDevice = 0,
00055 AudioDevice = 1,
00056 };
00057
00058 #define DECLARE_QUERYINTERFACE(class, ...) \
00059 long WINAPI \
00060 class##_QueryInterface(class *this, const GUID *riid, void **ppvObject) \
00061 { \
00062 struct GUIDoffset ifaces[] = __VA_ARGS__; \
00063 int i; \
00064 dshowdebug(AV_STRINGIFY(class)"_QueryInterface(%p, %p, %p)\n", this, riid, ppvObject); \
00065 ff_printGUID(riid); \
00066 if (!ppvObject) \
00067 return E_POINTER; \
00068 for (i = 0; i < sizeof(ifaces)/sizeof(ifaces[0]); i++) { \
00069 if (IsEqualGUID(riid, ifaces[i].iid)) { \
00070 void *obj = (void *) ((uint8_t *) this + ifaces[i].offset); \
00071 class##_AddRef(this); \
00072 dshowdebug("\tfound %d with offset %d\n", i, ifaces[i].offset); \
00073 *ppvObject = (void *) obj; \
00074 return S_OK; \
00075 } \
00076 } \
00077 dshowdebug("\tE_NOINTERFACE\n"); \
00078 *ppvObject = NULL; \
00079 return E_NOINTERFACE; \
00080 }
00081 #define DECLARE_ADDREF(class) \
00082 unsigned long WINAPI \
00083 class##_AddRef(class *this) \
00084 { \
00085 dshowdebug(AV_STRINGIFY(class)"_AddRef(%p)\t%ld\n", this, this->ref+1); \
00086 return InterlockedIncrement(&this->ref); \
00087 }
00088 #define DECLARE_RELEASE(class) \
00089 unsigned long WINAPI \
00090 class##_Release(class *this) \
00091 { \
00092 long ref = InterlockedDecrement(&this->ref); \
00093 dshowdebug(AV_STRINGIFY(class)"_Release(%p)\t%ld\n", this, ref); \
00094 if (!ref) \
00095 class##_Destroy(this); \
00096 return ref; \
00097 }
00098
00099 #define DECLARE_DESTROY(class, func) \
00100 void class##_Destroy(class *this) \
00101 { \
00102 dshowdebug(AV_STRINGIFY(class)"_Destroy(%p)\n", this); \
00103 func(this); \
00104 if (this) { \
00105 if (this->vtbl) \
00106 CoTaskMemFree(this->vtbl); \
00107 CoTaskMemFree(this); \
00108 } \
00109 }
00110 #define DECLARE_CREATE(class, setup, ...) \
00111 class *class##_Create(__VA_ARGS__) \
00112 { \
00113 class *this = CoTaskMemAlloc(sizeof(class)); \
00114 void *vtbl = CoTaskMemAlloc(sizeof(*this->vtbl)); \
00115 dshowdebug(AV_STRINGIFY(class)"_Create(%p)\n", this); \
00116 if (!this || !vtbl) \
00117 goto fail; \
00118 ZeroMemory(this, sizeof(class)); \
00119 ZeroMemory(vtbl, sizeof(*this->vtbl)); \
00120 this->ref = 1; \
00121 this->vtbl = vtbl; \
00122 if (!setup) \
00123 goto fail; \
00124 dshowdebug("created "AV_STRINGIFY(class)" %p\n", this); \
00125 return this; \
00126 fail: \
00127 class##_Destroy(this); \
00128 dshowdebug("could not create "AV_STRINGIFY(class)"\n"); \
00129 return NULL; \
00130 }
00131
00132 #define SETVTBL(vtbl, class, fn) \
00133 do { (vtbl)->fn = (void *) class##_##fn; } while(0)
00134
00135
00136
00137
00138 typedef struct libAVPin libAVPin;
00139 typedef struct libAVMemInputPin libAVMemInputPin;
00140 typedef struct libAVEnumPins libAVEnumPins;
00141 typedef struct libAVEnumMediaTypes libAVEnumMediaTypes;
00142 typedef struct libAVFilter libAVFilter;
00143
00144
00145
00146
00147 struct libAVPin {
00148 IPinVtbl *vtbl;
00149 long ref;
00150 libAVFilter *filter;
00151 IPin *connectedto;
00152 AM_MEDIA_TYPE type;
00153 IMemInputPinVtbl *imemvtbl;
00154 };
00155
00156 long WINAPI libAVPin_QueryInterface (libAVPin *, const GUID *, void **);
00157 unsigned long WINAPI libAVPin_AddRef (libAVPin *);
00158 unsigned long WINAPI libAVPin_Release (libAVPin *);
00159 long WINAPI libAVPin_Connect (libAVPin *, IPin *, const AM_MEDIA_TYPE *);
00160 long WINAPI libAVPin_ReceiveConnection (libAVPin *, IPin *, const AM_MEDIA_TYPE *);
00161 long WINAPI libAVPin_Disconnect (libAVPin *);
00162 long WINAPI libAVPin_ConnectedTo (libAVPin *, IPin **);
00163 long WINAPI libAVPin_ConnectionMediaType (libAVPin *, AM_MEDIA_TYPE *);
00164 long WINAPI libAVPin_QueryPinInfo (libAVPin *, PIN_INFO *);
00165 long WINAPI libAVPin_QueryDirection (libAVPin *, PIN_DIRECTION *);
00166 long WINAPI libAVPin_QueryId (libAVPin *, wchar_t **);
00167 long WINAPI libAVPin_QueryAccept (libAVPin *, const AM_MEDIA_TYPE *);
00168 long WINAPI libAVPin_EnumMediaTypes (libAVPin *, IEnumMediaTypes **);
00169 long WINAPI libAVPin_QueryInternalConnections(libAVPin *, IPin **, unsigned long *);
00170 long WINAPI libAVPin_EndOfStream (libAVPin *);
00171 long WINAPI libAVPin_BeginFlush (libAVPin *);
00172 long WINAPI libAVPin_EndFlush (libAVPin *);
00173 long WINAPI libAVPin_NewSegment (libAVPin *, REFERENCE_TIME, REFERENCE_TIME, double);
00174
00175 long WINAPI libAVMemInputPin_QueryInterface (libAVMemInputPin *, const GUID *, void **);
00176 unsigned long WINAPI libAVMemInputPin_AddRef (libAVMemInputPin *);
00177 unsigned long WINAPI libAVMemInputPin_Release (libAVMemInputPin *);
00178 long WINAPI libAVMemInputPin_GetAllocator (libAVMemInputPin *, IMemAllocator **);
00179 long WINAPI libAVMemInputPin_NotifyAllocator (libAVMemInputPin *, IMemAllocator *, WINBOOL);
00180 long WINAPI libAVMemInputPin_GetAllocatorRequirements(libAVMemInputPin *, ALLOCATOR_PROPERTIES *);
00181 long WINAPI libAVMemInputPin_Receive (libAVMemInputPin *, IMediaSample *);
00182 long WINAPI libAVMemInputPin_ReceiveMultiple (libAVMemInputPin *, IMediaSample **, long, long *);
00183 long WINAPI libAVMemInputPin_ReceiveCanBlock (libAVMemInputPin *);
00184
00185 void libAVPin_Destroy(libAVPin *);
00186 libAVPin *libAVPin_Create (libAVFilter *filter);
00187
00188 void libAVMemInputPin_Destroy(libAVMemInputPin *);
00189
00190
00191
00192
00193 struct libAVEnumPins {
00194 IEnumPinsVtbl *vtbl;
00195 long ref;
00196 int pos;
00197 libAVPin *pin;
00198 libAVFilter *filter;
00199 };
00200
00201 long WINAPI libAVEnumPins_QueryInterface(libAVEnumPins *, const GUID *, void **);
00202 unsigned long WINAPI libAVEnumPins_AddRef (libAVEnumPins *);
00203 unsigned long WINAPI libAVEnumPins_Release (libAVEnumPins *);
00204 long WINAPI libAVEnumPins_Next (libAVEnumPins *, unsigned long, IPin **, unsigned long *);
00205 long WINAPI libAVEnumPins_Skip (libAVEnumPins *, unsigned long);
00206 long WINAPI libAVEnumPins_Reset (libAVEnumPins *);
00207 long WINAPI libAVEnumPins_Clone (libAVEnumPins *, libAVEnumPins **);
00208
00209 void libAVEnumPins_Destroy(libAVEnumPins *);
00210 libAVEnumPins *libAVEnumPins_Create (libAVPin *pin, libAVFilter *filter);
00211
00212
00213
00214
00215 struct libAVEnumMediaTypes {
00216 IEnumPinsVtbl *vtbl;
00217 long ref;
00218 int pos;
00219 AM_MEDIA_TYPE type;
00220 };
00221
00222 long WINAPI libAVEnumMediaTypes_QueryInterface(libAVEnumMediaTypes *, const GUID *, void **);
00223 unsigned long WINAPI libAVEnumMediaTypes_AddRef (libAVEnumMediaTypes *);
00224 unsigned long WINAPI libAVEnumMediaTypes_Release (libAVEnumMediaTypes *);
00225 long WINAPI libAVEnumMediaTypes_Next (libAVEnumMediaTypes *, unsigned long, AM_MEDIA_TYPE **, unsigned long *);
00226 long WINAPI libAVEnumMediaTypes_Skip (libAVEnumMediaTypes *, unsigned long);
00227 long WINAPI libAVEnumMediaTypes_Reset (libAVEnumMediaTypes *);
00228 long WINAPI libAVEnumMediaTypes_Clone (libAVEnumMediaTypes *, libAVEnumMediaTypes **);
00229
00230 void libAVEnumMediaTypes_Destroy(libAVEnumMediaTypes *);
00231 libAVEnumMediaTypes *libAVEnumMediaTypes_Create(const AM_MEDIA_TYPE *type);
00232
00233
00234
00235
00236 struct libAVFilter {
00237 IBaseFilterVtbl *vtbl;
00238 long ref;
00239 const wchar_t *name;
00240 libAVPin *pin;
00241 FILTER_INFO info;
00242 FILTER_STATE state;
00243 IReferenceClock *clock;
00244 enum dshowDeviceType type;
00245 void *priv_data;
00246 int stream_index;
00247 int64_t start_time;
00248 void (*callback)(void *priv_data, int index, uint8_t *buf, int buf_size, int64_t time);
00249 };
00250
00251 long WINAPI libAVFilter_QueryInterface (libAVFilter *, const GUID *, void **);
00252 unsigned long WINAPI libAVFilter_AddRef (libAVFilter *);
00253 unsigned long WINAPI libAVFilter_Release (libAVFilter *);
00254 long WINAPI libAVFilter_GetClassID (libAVFilter *, CLSID *);
00255 long WINAPI libAVFilter_Stop (libAVFilter *);
00256 long WINAPI libAVFilter_Pause (libAVFilter *);
00257 long WINAPI libAVFilter_Run (libAVFilter *, REFERENCE_TIME);
00258 long WINAPI libAVFilter_GetState (libAVFilter *, DWORD, FILTER_STATE *);
00259 long WINAPI libAVFilter_SetSyncSource (libAVFilter *, IReferenceClock *);
00260 long WINAPI libAVFilter_GetSyncSource (libAVFilter *, IReferenceClock **);
00261 long WINAPI libAVFilter_EnumPins (libAVFilter *, IEnumPins **);
00262 long WINAPI libAVFilter_FindPin (libAVFilter *, const wchar_t *, IPin **);
00263 long WINAPI libAVFilter_QueryFilterInfo(libAVFilter *, FILTER_INFO *);
00264 long WINAPI libAVFilter_JoinFilterGraph(libAVFilter *, IFilterGraph *, const wchar_t *);
00265 long WINAPI libAVFilter_QueryVendorInfo(libAVFilter *, wchar_t **);
00266
00267 void libAVFilter_Destroy(libAVFilter *);
00268 libAVFilter *libAVFilter_Create (void *, void *, enum dshowDeviceType);
