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Imported Debian version 2.4.3~trusty1
[deb_ffmpeg.git] / ffmpeg / libavdevice / dshow_capture.h
CommitLineData
2ba45a60
DM		 1/*
2 * DirectShow capture interface
3 * Copyright (c) 2010 Ramiro Polla
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22#ifndef AVDEVICE_DSHOW_H
23#define AVDEVICE_DSHOW_H
24
25#define DSHOWDEBUG 0
26
27#include "avdevice.h"
28
29#define COBJMACROS
30#include <windows.h>
31#define NO_DSHOW_STRSAFE
32#include <dshow.h>
33#include <dvdmedia.h>
34
35/* EC_DEVICE_LOST is not defined in MinGW dshow headers. */
36#ifndef EC_DEVICE_LOST
37#define EC_DEVICE_LOST 0x1f
38#endif
39
40long ff_copy_dshow_media_type(AM_MEDIA_TYPE *dst, const AM_MEDIA_TYPE *src);
41void ff_print_VIDEO_STREAM_CONFIG_CAPS(const VIDEO_STREAM_CONFIG_CAPS *caps);
42void ff_print_AUDIO_STREAM_CONFIG_CAPS(const AUDIO_STREAM_CONFIG_CAPS *caps);
43void ff_print_AM_MEDIA_TYPE(const AM_MEDIA_TYPE *type);
44void ff_printGUID(const GUID *g);
45
46#if DSHOWDEBUG
47extern const AVClass *ff_dshow_context_class_ptr;
48#define dshowdebug(...) av_log(&ff_dshow_context_class_ptr, AV_LOG_DEBUG, __VA_ARGS__)
49#else
50#define dshowdebug(...)
51#endif
52
53static inline void nothing(void *foo)
54{
55}
56
57struct GUIDoffset {
58 const GUID *iid;
59 int offset;
60};
61
62enum dshowDeviceType {
63 VideoDevice = 0,
64 AudioDevice = 1,
65};
66
67#define DECLARE_QUERYINTERFACE(class, ...) \
68long WINAPI \
69class##_QueryInterface(class *this, const GUID *riid, void **ppvObject) \
70{ \
71 struct GUIDoffset ifaces[] = __VA_ARGS__; \
72 int i; \
73 dshowdebug(AV_STRINGIFY(class)"_QueryInterface(%p, %p, %p)\n", this, riid, ppvObject); \
74 ff_printGUID(riid); \
75 if (!ppvObject) \
76 return E_POINTER; \
77 for (i = 0; i < sizeof(ifaces)/sizeof(ifaces[0]); i++) { \
78 if (IsEqualGUID(riid, ifaces[i].iid)) { \
79 void *obj = (void *) ((uint8_t *) this + ifaces[i].offset); \
80 class##_AddRef(this); \
81 dshowdebug("\tfound %d with offset %d\n", i, ifaces[i].offset); \
82 *ppvObject = (void *) obj; \
83 return S_OK; \
84 } \
85 } \
86 dshowdebug("\tE_NOINTERFACE\n"); \
87 *ppvObject = NULL; \
88 return E_NOINTERFACE; \
89}
90#define DECLARE_ADDREF(class) \
91unsigned long WINAPI \
92class##_AddRef(class *this) \
93{ \
94 dshowdebug(AV_STRINGIFY(class)"_AddRef(%p)\t%ld\n", this, this->ref+1); \
95 return InterlockedIncrement(&this->ref); \
96}
97#define DECLARE_RELEASE(class) \
98unsigned long WINAPI \
99class##_Release(class *this) \
100{ \
101 long ref = InterlockedDecrement(&this->ref); \
102 dshowdebug(AV_STRINGIFY(class)"_Release(%p)\t%ld\n", this, ref); \
103 if (!ref) \
104 class##_Destroy(this); \
105 return ref; \
106}
107
108#define DECLARE_DESTROY(class, func) \
109void class##_Destroy(class *this) \
110{ \
111 dshowdebug(AV_STRINGIFY(class)"_Destroy(%p)\n", this); \
112 func(this); \
113 if (this) { \
114 if (this->vtbl) \
115 CoTaskMemFree(this->vtbl); \
116 CoTaskMemFree(this); \
117 } \
118}
119#define DECLARE_CREATE(class, setup, ...) \
120class *class##_Create(__VA_ARGS__) \
121{ \
122 class *this = CoTaskMemAlloc(sizeof(class)); \
123 void *vtbl = CoTaskMemAlloc(sizeof(*this->vtbl)); \
124 dshowdebug(AV_STRINGIFY(class)"_Create(%p)\n", this); \
125 if (!this || !vtbl) \
126 goto fail; \
127 ZeroMemory(this, sizeof(class)); \
128 ZeroMemory(vtbl, sizeof(*this->vtbl)); \
129 this->ref = 1; \
130 this->vtbl = vtbl; \
131 if (!setup) \
132 goto fail; \
133 dshowdebug("created "AV_STRINGIFY(class)" %p\n", this); \
134 return this; \
135fail: \
136 class##_Destroy(this); \
137 dshowdebug("could not create "AV_STRINGIFY(class)"\n"); \
138 return NULL; \
139}
140
141#define SETVTBL(vtbl, class, fn) \
142 do { (vtbl)->fn = (void *) class##_##fn; } while(0)
143
144/*****************************************************************************
145 * Forward Declarations
146 ****************************************************************************/
147typedef struct libAVPin libAVPin;
148typedef struct libAVMemInputPin libAVMemInputPin;
149typedef struct libAVEnumPins libAVEnumPins;
150typedef struct libAVEnumMediaTypes libAVEnumMediaTypes;
151typedef struct libAVFilter libAVFilter;
152
153/*****************************************************************************
154 * libAVPin
155 ****************************************************************************/
156struct libAVPin {
157 IPinVtbl *vtbl;
158 long ref;
159 libAVFilter *filter;
160 IPin *connectedto;
161 AM_MEDIA_TYPE type;
162 IMemInputPinVtbl *imemvtbl;
163};
164
165long WINAPI libAVPin_QueryInterface (libAVPin *, const GUID *, void **);
166unsigned long WINAPI libAVPin_AddRef (libAVPin *);
167unsigned long WINAPI libAVPin_Release (libAVPin *);
168long WINAPI libAVPin_Connect (libAVPin *, IPin *, const AM_MEDIA_TYPE *);
169long WINAPI libAVPin_ReceiveConnection (libAVPin *, IPin *, const AM_MEDIA_TYPE *);
170long WINAPI libAVPin_Disconnect (libAVPin *);
171long WINAPI libAVPin_ConnectedTo (libAVPin *, IPin **);
172long WINAPI libAVPin_ConnectionMediaType (libAVPin *, AM_MEDIA_TYPE *);
173long WINAPI libAVPin_QueryPinInfo (libAVPin *, PIN_INFO *);
174long WINAPI libAVPin_QueryDirection (libAVPin *, PIN_DIRECTION *);
175long WINAPI libAVPin_QueryId (libAVPin *, wchar_t **);
176long WINAPI libAVPin_QueryAccept (libAVPin *, const AM_MEDIA_TYPE *);
177long WINAPI libAVPin_EnumMediaTypes (libAVPin *, IEnumMediaTypes **);
178long WINAPI libAVPin_QueryInternalConnections(libAVPin *, IPin **, unsigned long *);
179long WINAPI libAVPin_EndOfStream (libAVPin *);
180long WINAPI libAVPin_BeginFlush (libAVPin *);
181long WINAPI libAVPin_EndFlush (libAVPin *);
182long WINAPI libAVPin_NewSegment (libAVPin *, REFERENCE_TIME, REFERENCE_TIME, double);
183
184long WINAPI libAVMemInputPin_QueryInterface (libAVMemInputPin *, const GUID *, void **);
185unsigned long WINAPI libAVMemInputPin_AddRef (libAVMemInputPin *);
186unsigned long WINAPI libAVMemInputPin_Release (libAVMemInputPin *);
187long WINAPI libAVMemInputPin_GetAllocator (libAVMemInputPin *, IMemAllocator **);
188long WINAPI libAVMemInputPin_NotifyAllocator (libAVMemInputPin *, IMemAllocator *, BOOL);
189long WINAPI libAVMemInputPin_GetAllocatorRequirements(libAVMemInputPin *, ALLOCATOR_PROPERTIES *);
190long WINAPI libAVMemInputPin_Receive (libAVMemInputPin *, IMediaSample *);
191long WINAPI libAVMemInputPin_ReceiveMultiple (libAVMemInputPin *, IMediaSample **, long, long *);
192long WINAPI libAVMemInputPin_ReceiveCanBlock (libAVMemInputPin *);
193
194void libAVPin_Destroy(libAVPin *);
195libAVPin *libAVPin_Create (libAVFilter *filter);
196
197void libAVMemInputPin_Destroy(libAVMemInputPin *);
198
199/*****************************************************************************
200 * libAVEnumPins
201 ****************************************************************************/
202struct libAVEnumPins {
203 IEnumPinsVtbl *vtbl;
204 long ref;
205 int pos;
206 libAVPin *pin;
207 libAVFilter *filter;
208};
209
210long WINAPI libAVEnumPins_QueryInterface(libAVEnumPins *, const GUID *, void **);
211unsigned long WINAPI libAVEnumPins_AddRef (libAVEnumPins *);
212unsigned long WINAPI libAVEnumPins_Release (libAVEnumPins *);
213long WINAPI libAVEnumPins_Next (libAVEnumPins *, unsigned long, IPin **, unsigned long *);
214long WINAPI libAVEnumPins_Skip (libAVEnumPins *, unsigned long);
215long WINAPI libAVEnumPins_Reset (libAVEnumPins *);
216long WINAPI libAVEnumPins_Clone (libAVEnumPins *, libAVEnumPins **);
217
218void libAVEnumPins_Destroy(libAVEnumPins *);
219libAVEnumPins *libAVEnumPins_Create (libAVPin *pin, libAVFilter *filter);
220
221/*****************************************************************************
222 * libAVEnumMediaTypes
223 ****************************************************************************/
224struct libAVEnumMediaTypes {
225 IEnumPinsVtbl *vtbl;
226 long ref;
227 int pos;
228 AM_MEDIA_TYPE type;
229};
230
231long WINAPI libAVEnumMediaTypes_QueryInterface(libAVEnumMediaTypes *, const GUID *, void **);
232unsigned long WINAPI libAVEnumMediaTypes_AddRef (libAVEnumMediaTypes *);
233unsigned long WINAPI libAVEnumMediaTypes_Release (libAVEnumMediaTypes *);
234long WINAPI libAVEnumMediaTypes_Next (libAVEnumMediaTypes *, unsigned long, AM_MEDIA_TYPE **, unsigned long *);
235long WINAPI libAVEnumMediaTypes_Skip (libAVEnumMediaTypes *, unsigned long);
236long WINAPI libAVEnumMediaTypes_Reset (libAVEnumMediaTypes *);
237long WINAPI libAVEnumMediaTypes_Clone (libAVEnumMediaTypes *, libAVEnumMediaTypes **);
238
239void libAVEnumMediaTypes_Destroy(libAVEnumMediaTypes *);
240libAVEnumMediaTypes *libAVEnumMediaTypes_Create(const AM_MEDIA_TYPE *type);
241
242/*****************************************************************************
243 * libAVFilter
244 ****************************************************************************/
245struct libAVFilter {
246 IBaseFilterVtbl *vtbl;
247 long ref;
248 const wchar_t *name;
249 libAVPin *pin;
250 FILTER_INFO info;
251 FILTER_STATE state;
252 IReferenceClock *clock;
253 enum dshowDeviceType type;
254 void *priv_data;
255 int stream_index;
256 int64_t start_time;
257 void (*callback)(void *priv_data, int index, uint8_t *buf, int buf_size, int64_t time, enum dshowDeviceType type);
258};
259
260long WINAPI libAVFilter_QueryInterface (libAVFilter *, const GUID *, void **);
261unsigned long WINAPI libAVFilter_AddRef (libAVFilter *);
262unsigned long WINAPI libAVFilter_Release (libAVFilter *);
263long WINAPI libAVFilter_GetClassID (libAVFilter *, CLSID *);
264long WINAPI libAVFilter_Stop (libAVFilter *);
265long WINAPI libAVFilter_Pause (libAVFilter *);
266long WINAPI libAVFilter_Run (libAVFilter *, REFERENCE_TIME);
267long WINAPI libAVFilter_GetState (libAVFilter *, DWORD, FILTER_STATE *);
268long WINAPI libAVFilter_SetSyncSource (libAVFilter *, IReferenceClock *);
269long WINAPI libAVFilter_GetSyncSource (libAVFilter *, IReferenceClock **);
270long WINAPI libAVFilter_EnumPins (libAVFilter *, IEnumPins **);
271long WINAPI libAVFilter_FindPin (libAVFilter *, const wchar_t *, IPin **);
272long WINAPI libAVFilter_QueryFilterInfo(libAVFilter *, FILTER_INFO *);
273long WINAPI libAVFilter_JoinFilterGraph(libAVFilter *, IFilterGraph *, const wchar_t *);
274long WINAPI libAVFilter_QueryVendorInfo(libAVFilter *, wchar_t **);
275
276void libAVFilter_Destroy(libAVFilter *);
277libAVFilter *libAVFilter_Create (void *, void *, enum dshowDeviceType);
278
279#endif /* AVDEVICE_DSHOW_H */
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