FFmpeg
dshow_capture.h
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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_CAPTURE_H
23 #define AVDEVICE_DSHOW_CAPTURE_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 #include "libavcodec/internal.h"
36 #include "libavcodec/packet_internal.h"
37 
38 /* EC_DEVICE_LOST is not defined in MinGW dshow headers. */
39 #ifndef EC_DEVICE_LOST
40 #define EC_DEVICE_LOST 0x1f
41 #endif
42 
43 long ff_copy_dshow_media_type(AM_MEDIA_TYPE *dst, const AM_MEDIA_TYPE *src);
44 void ff_print_VIDEO_STREAM_CONFIG_CAPS(const VIDEO_STREAM_CONFIG_CAPS *caps);
45 void ff_print_AUDIO_STREAM_CONFIG_CAPS(const AUDIO_STREAM_CONFIG_CAPS *caps);
46 void ff_print_AM_MEDIA_TYPE(const AM_MEDIA_TYPE *type);
47 void ff_printGUID(const GUID *g);
48 
49 extern const AVClass *ff_dshow_context_class_ptr;
50 #define dshowdebug(...) ff_dlog(&ff_dshow_context_class_ptr, __VA_ARGS__)
51 
52 static inline void nothing(void *foo)
53 {
54 }
55 
56 struct GUIDoffset {
57  const GUID *iid;
58  int offset;
59 };
60 
61 enum dshowDeviceType {
62  VideoDevice = 0,
63  AudioDevice = 1,
64 };
65 
66 enum dshowSourceFilterType {
67  VideoSourceDevice = 0,
68  AudioSourceDevice = 1,
69 };
70 
71 #define DECLARE_QUERYINTERFACE(prefix, class, ...) \
72 long WINAPI \
73 ff_dshow_##prefix##_QueryInterface(class *this, const GUID *riid, void **ppvObject) \
74 { \
75  struct GUIDoffset ifaces[] = __VA_ARGS__; \
76  int i; \
77  dshowdebug("ff_dshow_"AV_STRINGIFY(prefix)"_QueryInterface(%p, %p, %p)\n", this, riid, ppvObject); \
78  ff_printGUID(riid); \
79  if (!ppvObject) \
80  return E_POINTER; \
81  for (i = 0; i < sizeof(ifaces)/sizeof(ifaces[0]); i++) { \
82  if (IsEqualGUID(riid, ifaces[i].iid)) { \
83  void *obj = (void *) ((uint8_t *) this + ifaces[i].offset); \
84  ff_dshow_##prefix##_AddRef(this); \
85  dshowdebug("\tfound %d with offset %d\n", i, ifaces[i].offset); \
86  *ppvObject = (void *) obj; \
87  return S_OK; \
88  } \
89  } \
90  dshowdebug("\tE_NOINTERFACE\n"); \
91  *ppvObject = NULL; \
92  return E_NOINTERFACE; \
93 }
94 #define DECLARE_ADDREF(prefix, class) \
95 unsigned long WINAPI \
96 ff_dshow_##prefix##_AddRef(class *this) \
97 { \
98  dshowdebug("ff_dshow_"AV_STRINGIFY(prefix)"_AddRef(%p)\t%ld\n", this, this->ref+1); \
99  return InterlockedIncrement(&this->ref); \
100 }
101 #define DECLARE_RELEASE(prefix, class) \
102 unsigned long WINAPI \
103 ff_dshow_##prefix##_Release(class *this) \
104 { \
105  long ref = InterlockedDecrement(&this->ref); \
106  dshowdebug("ff_dshow_"AV_STRINGIFY(prefix)"_Release(%p)\t%ld\n", this, ref); \
107  if (!ref) \
108  ff_dshow_##prefix##_Destroy(this); \
109  return ref; \
110 }
111 
112 #define DECLARE_DESTROY(prefix, class, func) \
113 void ff_dshow_##prefix##_Destroy(class *this) \
114 { \
115  dshowdebug("ff_dshow_"AV_STRINGIFY(prefix)"_Destroy(%p)\n", this); \
116  func(this); \
117  if (this) { \
118  if (this->vtbl) \
119  CoTaskMemFree(this->vtbl); \
120  CoTaskMemFree(this); \
121  } \
122 }
123 #define DECLARE_CREATE(prefix, class, setup, ...) \
124 class *ff_dshow_##prefix##_Create(__VA_ARGS__) \
125 { \
126  class *this = CoTaskMemAlloc(sizeof(class)); \
127  dshowdebug("ff_dshow_"AV_STRINGIFY(prefix)"_Create(%p)\n", this); \
128  if (!this) \
129  goto fail; \
130  ZeroMemory(this, sizeof(class)); \
131  this->vtbl = CoTaskMemAlloc(sizeof(*this->vtbl)); \
132  if (!this->vtbl) \
133  goto fail; \
134  ZeroMemory(this->vtbl, sizeof(*this->vtbl)); \
135  this->ref = 1; \
136  if (!setup) \
137  goto fail; \
138  dshowdebug("created ff_dshow_"AV_STRINGIFY(prefix)" %p\n", this); \
139  return this; \
140 fail: \
141  ff_dshow_##prefix##_Destroy(this); \
142  dshowdebug("could not create ff_dshow_"AV_STRINGIFY(prefix)"\n"); \
143  return NULL; \
144 }
145 
146 #define SETVTBL(vtbl, prefix, fn) \
147  do { (vtbl)->fn = (void *) ff_dshow_##prefix##_##fn; } while(0)
148 
149 /*****************************************************************************
150  * Forward Declarations
151  ****************************************************************************/
152 typedef struct DShowPin DShowPin;
153 typedef struct DShowMemInputPin DShowMemInputPin;
154 typedef struct DShowEnumPins DShowEnumPins;
155 typedef struct DShowEnumMediaTypes DShowEnumMediaTypes;
156 typedef struct DShowFilter DShowFilter;
157 
158 /*****************************************************************************
159  * DShowPin
160  ****************************************************************************/
161 struct DShowPin {
162  IPinVtbl *vtbl;
163  long ref;
164  DShowFilter *filter;
165  IPin *connectedto;
166  AM_MEDIA_TYPE type;
167  IMemInputPinVtbl *imemvtbl;
168 };
169 
170 long WINAPI ff_dshow_pin_QueryInterface (DShowPin *, const GUID *, void **);
171 unsigned long WINAPI ff_dshow_pin_AddRef (DShowPin *);
172 unsigned long WINAPI ff_dshow_pin_Release (DShowPin *);
173 long WINAPI ff_dshow_pin_Connect (DShowPin *, IPin *, const AM_MEDIA_TYPE *);
174 long WINAPI ff_dshow_pin_ReceiveConnection (DShowPin *, IPin *, const AM_MEDIA_TYPE *);
175 long WINAPI ff_dshow_pin_Disconnect (DShowPin *);
176 long WINAPI ff_dshow_pin_ConnectedTo (DShowPin *, IPin **);
177 long WINAPI ff_dshow_pin_ConnectionMediaType (DShowPin *, AM_MEDIA_TYPE *);
178 long WINAPI ff_dshow_pin_QueryPinInfo (DShowPin *, PIN_INFO *);
179 long WINAPI ff_dshow_pin_QueryDirection (DShowPin *, PIN_DIRECTION *);
180 long WINAPI ff_dshow_pin_QueryId (DShowPin *, wchar_t **);
181 long WINAPI ff_dshow_pin_QueryAccept (DShowPin *, const AM_MEDIA_TYPE *);
182 long WINAPI ff_dshow_pin_EnumMediaTypes (DShowPin *, IEnumMediaTypes **);
183 long WINAPI ff_dshow_pin_QueryInternalConnections(DShowPin *, IPin **, unsigned long *);
184 long WINAPI ff_dshow_pin_EndOfStream (DShowPin *);
185 long WINAPI ff_dshow_pin_BeginFlush (DShowPin *);
186 long WINAPI ff_dshow_pin_EndFlush (DShowPin *);
187 long WINAPI ff_dshow_pin_NewSegment (DShowPin *, REFERENCE_TIME, REFERENCE_TIME, double);
188 
189 long WINAPI ff_dshow_meminputpin_QueryInterface (DShowMemInputPin *, const GUID *, void **);
190 unsigned long WINAPI ff_dshow_meminputpin_AddRef (DShowMemInputPin *);
191 unsigned long WINAPI ff_dshow_meminputpin_Release (DShowMemInputPin *);
192 long WINAPI ff_dshow_meminputpin_GetAllocator (DShowMemInputPin *, IMemAllocator **);
193 long WINAPI ff_dshow_meminputpin_NotifyAllocator (DShowMemInputPin *, IMemAllocator *, BOOL);
194 long WINAPI ff_dshow_meminputpin_GetAllocatorRequirements(DShowMemInputPin *, ALLOCATOR_PROPERTIES *);
195 long WINAPI ff_dshow_meminputpin_Receive (DShowMemInputPin *, IMediaSample *);
196 long WINAPI ff_dshow_meminputpin_ReceiveMultiple (DShowMemInputPin *, IMediaSample **, long, long *);
197 long WINAPI ff_dshow_meminputpin_ReceiveCanBlock (DShowMemInputPin *);
198 
199 void ff_dshow_pin_Destroy(DShowPin *);
200 DShowPin *ff_dshow_pin_Create (DShowFilter *filter);
201 
202 void ff_dshow_meminputpin_Destroy(DShowMemInputPin *);
203 
204 /*****************************************************************************
205  * DShowEnumPins
206  ****************************************************************************/
207 struct DShowEnumPins {
208  IEnumPinsVtbl *vtbl;
209  long ref;
210  int pos;
211  DShowPin *pin;
212  DShowFilter *filter;
213 };
214 
215 long WINAPI ff_dshow_enumpins_QueryInterface(DShowEnumPins *, const GUID *, void **);
216 unsigned long WINAPI ff_dshow_enumpins_AddRef (DShowEnumPins *);
217 unsigned long WINAPI ff_dshow_enumpins_Release (DShowEnumPins *);
218 long WINAPI ff_dshow_enumpins_Next (DShowEnumPins *, unsigned long, IPin **, unsigned long *);
219 long WINAPI ff_dshow_enumpins_Skip (DShowEnumPins *, unsigned long);
220 long WINAPI ff_dshow_enumpins_Reset (DShowEnumPins *);
221 long WINAPI ff_dshow_enumpins_Clone (DShowEnumPins *, DShowEnumPins **);
222 
223 void ff_dshow_enumpins_Destroy(DShowEnumPins *);
224 DShowEnumPins *ff_dshow_enumpins_Create (DShowPin *pin, DShowFilter *filter);
225 
226 /*****************************************************************************
227  * DShowEnumMediaTypes
228  ****************************************************************************/
229 struct DShowEnumMediaTypes {
230  IEnumMediaTypesVtbl *vtbl;
231  long ref;
232  int pos;
233  AM_MEDIA_TYPE type;
234 };
235 
236 long WINAPI ff_dshow_enummediatypes_QueryInterface(DShowEnumMediaTypes *, const GUID *, void **);
237 unsigned long WINAPI ff_dshow_enummediatypes_AddRef (DShowEnumMediaTypes *);
238 unsigned long WINAPI ff_dshow_enummediatypes_Release (DShowEnumMediaTypes *);
239 long WINAPI ff_dshow_enummediatypes_Next (DShowEnumMediaTypes *, unsigned long, AM_MEDIA_TYPE **, unsigned long *);
240 long WINAPI ff_dshow_enummediatypes_Skip (DShowEnumMediaTypes *, unsigned long);
241 long WINAPI ff_dshow_enummediatypes_Reset (DShowEnumMediaTypes *);
242 long WINAPI ff_dshow_enummediatypes_Clone (DShowEnumMediaTypes *, DShowEnumMediaTypes **);
243 
244 void ff_dshow_enummediatypes_Destroy(DShowEnumMediaTypes *);
245 DShowEnumMediaTypes *ff_dshow_enummediatypes_Create(const AM_MEDIA_TYPE *type);
246 
247 /*****************************************************************************
248  * DShowFilter
249  ****************************************************************************/
250 struct DShowFilter {
251  IBaseFilterVtbl *vtbl;
252  long ref;
253  const wchar_t *name;
254  DShowPin *pin;
255  FILTER_INFO info;
256  FILTER_STATE state;
257  IReferenceClock *clock;
258  enum dshowDeviceType type;
259  void *priv_data;
260  int stream_index;
261  int64_t start_time;
262  void (*callback)(void *priv_data, int index, uint8_t *buf, int buf_size, int64_t time, enum dshowDeviceType type);
263 };
264 
265 long WINAPI ff_dshow_filter_QueryInterface (DShowFilter *, const GUID *, void **);
266 unsigned long WINAPI ff_dshow_filter_AddRef (DShowFilter *);
267 unsigned long WINAPI ff_dshow_filter_Release (DShowFilter *);
268 long WINAPI ff_dshow_filter_GetClassID (DShowFilter *, CLSID *);
269 long WINAPI ff_dshow_filter_Stop (DShowFilter *);
270 long WINAPI ff_dshow_filter_Pause (DShowFilter *);
271 long WINAPI ff_dshow_filter_Run (DShowFilter *, REFERENCE_TIME);
272 long WINAPI ff_dshow_filter_GetState (DShowFilter *, DWORD, FILTER_STATE *);
273 long WINAPI ff_dshow_filter_SetSyncSource (DShowFilter *, IReferenceClock *);
274 long WINAPI ff_dshow_filter_GetSyncSource (DShowFilter *, IReferenceClock **);
275 long WINAPI ff_dshow_filter_EnumPins (DShowFilter *, IEnumPins **);
276 long WINAPI ff_dshow_filter_FindPin (DShowFilter *, const wchar_t *, IPin **);
277 long WINAPI ff_dshow_filter_QueryFilterInfo(DShowFilter *, FILTER_INFO *);
278 long WINAPI ff_dshow_filter_JoinFilterGraph(DShowFilter *, IFilterGraph *, const wchar_t *);
279 long WINAPI ff_dshow_filter_QueryVendorInfo(DShowFilter *, wchar_t **);
280 
281 void ff_dshow_filter_Destroy(DShowFilter *);
282 DShowFilter *ff_dshow_filter_Create (void *, void *, enum dshowDeviceType);
283 
284 /*****************************************************************************
285  * dshow_ctx
286  ****************************************************************************/
287 struct dshow_ctx {
288  const AVClass *class;
289 
290  IGraphBuilder *graph;
291 
292  char *device_name[2];
293  char *device_unique_name[2];
294 
295  int video_device_number;
296  int audio_device_number;
297 
298  int list_options;
299  int list_devices;
300  int audio_buffer_size;
301  int crossbar_video_input_pin_number;
302  int crossbar_audio_input_pin_number;
303  char *video_pin_name;
304  char *audio_pin_name;
305  int show_video_device_dialog;
306  int show_audio_device_dialog;
307  int show_video_crossbar_connection_dialog;
308  int show_audio_crossbar_connection_dialog;
309  int show_analog_tv_tuner_dialog;
310  int show_analog_tv_tuner_audio_dialog;
311  char *audio_filter_load_file;
312  char *audio_filter_save_file;
313  char *video_filter_load_file;
314  char *video_filter_save_file;
315  int use_video_device_timestamps;
316 
317  IBaseFilter *device_filter[2];
318  IPin *device_pin[2];
319  DShowFilter *capture_filter[2];
320  DShowPin *capture_pin[2];
321 
322  HANDLE mutex;
323  HANDLE event[2]; /* event[0] is set by DirectShow
324  * event[1] is set by callback() */
325  PacketListEntry *pktl;
326 
327  int eof;
328 
329  int64_t curbufsize[2];
330  unsigned int video_frame_num;
331 
332  IMediaControl *control;
333  IMediaEvent *media_event;
334 
335  enum AVPixelFormat pixel_format;
336  enum AVCodecID video_codec_id;
337  char *framerate;
338 
339  int requested_width;
340  int requested_height;
341  AVRational requested_framerate;
342 
343  int sample_rate;
344  int sample_size;
345  int channels;
346 };
347 
348 /*****************************************************************************
349  * CrossBar
350  ****************************************************************************/
351 HRESULT ff_dshow_try_setup_crossbar_options(ICaptureGraphBuilder2 *graph_builder2,
352  IBaseFilter *device_filter, enum dshowDeviceType devtype, AVFormatContext *avctx);
353 
354 void ff_dshow_show_filter_properties(IBaseFilter *pFilter, AVFormatContext *avctx);
355 
356 #endif /* AVDEVICE_DSHOW_CAPTURE_H */
ff_printGUID
void ff_printGUID(const GUID *g)
Definition: dshow_common.c:42
dshow_ctx::video_codec_id
enum AVCodecID video_codec_id
Definition: dshow_capture.h:338
dshow_ctx::show_audio_crossbar_connection_dialog
int show_audio_crossbar_connection_dialog
Definition: dshow_capture.h:310
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:71
ff_dshow_enummediatypes_Reset
long WINAPI ff_dshow_enummediatypes_Reset(DShowEnumMediaTypes *)
Definition: dshow_enummediatypes.c:61
DShowPin::filter
DShowFilter * filter
Definition: dshow_capture.h:166
ff_dshow_pin_QueryId
long WINAPI ff_dshow_pin_QueryId(DShowPin *, wchar_t **)
Definition: dshow_pin.c:127
ff_dshow_meminputpin_GetAllocator
long WINAPI ff_dshow_meminputpin_GetAllocator(DShowMemInputPin *, IMemAllocator **)
Definition: dshow_pin.c:273
DShowEnumPins
Definition: dshow_capture.h:207
dshow_ctx::list_devices
int list_devices
Definition: dshow_capture.h:301
ff_dshow_filter_Run
long WINAPI ff_dshow_filter_Run(DShowFilter *, REFERENCE_TIME)
Definition: dshow_filter.c:47
nothing
static void nothing(void *foo)
Definition: dshow_capture.h:52
dshow_ctx::requested_width
int requested_width
Definition: dshow_capture.h:341
VideoDevice
@ VideoDevice
Definition: dshow_capture.h:62
ff_dshow_meminputpin_AddRef
unsigned long WINAPI ff_dshow_meminputpin_AddRef(DShowMemInputPin *)
Definition: dshow_pin.c:261
ff_dshow_pin_QueryInterface
long WINAPI ff_dshow_pin_QueryInterface(DShowPin *, const GUID *, void **)
DShowFilter::ref
long ref
Definition: dshow_capture.h:254
ff_dshow_pin_Release
unsigned long WINAPI ff_dshow_pin_Release(DShowPin *)
dshow_ctx::media_event
IMediaEvent * media_event
Definition: dshow_capture.h:335
ff_dshow_pin_ReceiveConnection
long WINAPI ff_dshow_pin_ReceiveConnection(DShowPin *, IPin *, const AM_MEDIA_TYPE *)
Definition: dshow_pin.c:39
ff_dshow_filter_GetState
long WINAPI ff_dshow_filter_GetState(DShowFilter *, DWORD, FILTER_STATE *)
Definition: dshow_filter.c:54
ff_dshow_show_filter_properties
void ff_dshow_show_filter_properties(IBaseFilter *pFilter, AVFormatContext *avctx)
Pops up a user dialog allowing them to adjust properties for the given filter, if possible.
Definition: dshow.c:1123
dshow_ctx::video_filter_save_file
char * video_filter_save_file
Definition: dshow_capture.h:316
int64_t
long long int64_t
Definition: coverity.c:34
dshow_ctx::video_frame_num
unsigned int video_frame_num
Definition: dshow_capture.h:332
ff_dshow_enumpins_AddRef
unsigned long WINAPI ff_dshow_enumpins_AddRef(DShowEnumPins *)
ff_print_VIDEO_STREAM_CONFIG_CAPS
void ff_print_VIDEO_STREAM_CONFIG_CAPS(const VIDEO_STREAM_CONFIG_CAPS *caps)
Definition: dshow_common.c:85
internal.h
ff_dshow_pin_EndFlush
long WINAPI ff_dshow_pin_EndFlush(DShowPin *)
Definition: dshow_pin.c:176
ff_dshow_meminputpin_ReceiveCanBlock
long WINAPI ff_dshow_meminputpin_ReceiveCanBlock(DShowMemInputPin *)
Definition: dshow_pin.c:370
filter
void(* filter)(uint8_t *src, int stride, int qscale)
Definition: h263dsp.c:29
dshow_ctx::graph
IGraphBuilder * graph
Definition: dshow_capture.h:292
ff_dshow_pin_QueryAccept
long WINAPI ff_dshow_pin_QueryAccept(DShowPin *, const AM_MEDIA_TYPE *)
Definition: dshow_pin.c:138
DShowFilter::name
const wchar_t * name
Definition: dshow_capture.h:255
dshow_ctx::device_filter
IBaseFilter * device_filter[2]
Definition: dshow_capture.h:319
ff_dshow_enummediatypes_Release
unsigned long WINAPI ff_dshow_enummediatypes_Release(DShowEnumMediaTypes *)
DShowPin::ref
long ref
Definition: dshow_capture.h:165
dshow_ctx::video_filter_load_file
char * video_filter_load_file
Definition: dshow_capture.h:315
ff_dshow_filter_Stop
long WINAPI ff_dshow_filter_Stop(DShowFilter *)
Definition: dshow_filter.c:35
ff_dshow_enummediatypes_AddRef
unsigned long WINAPI ff_dshow_enummediatypes_AddRef(DShowEnumMediaTypes *)
ff_dshow_filter_QueryFilterInfo
long WINAPI ff_dshow_filter_QueryFilterInfo(DShowFilter *, FILTER_INFO *)
Definition: dshow_filter.c:119
dshow_ctx::capture_pin
DShowPin * capture_pin[2]
Definition: dshow_capture.h:322
dshow_ctx::audio_device_number
int audio_device_number
Definition: dshow_capture.h:298
DShowFilter::info
FILTER_INFO info
Definition: dshow_capture.h:257
ff_dshow_pin_Destroy
void ff_dshow_pin_Destroy(DShowPin *)
ff_dshow_filter_EnumPins
long WINAPI ff_dshow_filter_EnumPins(DShowFilter *, IEnumPins **)
Definition: dshow_filter.c:88
ff_dshow_meminputpin_GetAllocatorRequirements
long WINAPI ff_dshow_meminputpin_GetAllocatorRequirements(DShowMemInputPin *, ALLOCATOR_PROPERTIES *)
Definition: dshow_pin.c:284
DShowEnumPins::vtbl
IEnumPinsVtbl * vtbl
Definition: dshow_capture.h:210
type
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf type
Definition: writing_filters.txt:86
ff_dshow_filter_Create
DShowFilter * ff_dshow_filter_Create(void *, void *, enum dshowDeviceType)
ff_print_AM_MEDIA_TYPE
void ff_print_AM_MEDIA_TYPE(const AM_MEDIA_TYPE *type)
Definition: dshow_common.c:134
DShowEnumMediaTypes::pos
int pos
Definition: dshow_capture.h:234
dshow_ctx::channels
int channels
Definition: dshow_capture.h:347
dshow_ctx
Definition: dshow_capture.h:287
DShowFilter::pin
DShowPin * pin
Definition: dshow_capture.h:256
DShowFilter::vtbl
IBaseFilterVtbl * vtbl
Definition: dshow_capture.h:253
ff_dshow_filter_Pause
long WINAPI ff_dshow_filter_Pause(DShowFilter *)
Definition: dshow_filter.c:41
dshow_ctx::sample_rate
int sample_rate
Definition: dshow_capture.h:345
DShowPin::imemvtbl
IMemInputPinVtbl * imemvtbl
Definition: dshow_capture.h:169
dshow_ctx::show_analog_tv_tuner_audio_dialog
int show_analog_tv_tuner_audio_dialog
Definition: dshow_capture.h:312
ff_dshow_try_setup_crossbar_options
HRESULT ff_dshow_try_setup_crossbar_options(ICaptureGraphBuilder2 *graph_builder2, IBaseFilter *device_filter, enum dshowDeviceType devtype, AVFormatContext *avctx)
Given a fully constructed graph, check if there is a cross bar filter, and configure its pins if so.
Definition: dshow_crossbar.c:140
ff_dshow_enummediatypes_Skip
long WINAPI ff_dshow_enummediatypes_Skip(DShowEnumMediaTypes *, unsigned long)
Definition: dshow_enummediatypes.c:54
g
const char * g
Definition: vf_curves.c:128
ff_dshow_enummediatypes_Next
long WINAPI ff_dshow_enummediatypes_Next(DShowEnumMediaTypes *, unsigned long, AM_MEDIA_TYPE **, unsigned long *)
dshow_ctx::eof
int eof
Definition: dshow_capture.h:329
ff_copy_dshow_media_type
long ff_copy_dshow_media_type(AM_MEDIA_TYPE *dst, const AM_MEDIA_TYPE *src)
Definition: dshow_common.c:24
DShowFilter::type
enum dshowDeviceType type
Definition: dshow_capture.h:260
ff_dshow_filter_Destroy
void ff_dshow_filter_Destroy(DShowFilter *)
DShowFilter
Definition: dshow_capture.h:250
AVFormatContext
Format I/O context.
Definition: avformat.h:1264
ff_dshow_meminputpin_Release
unsigned long WINAPI ff_dshow_meminputpin_Release(DShowMemInputPin *)
Definition: dshow_pin.c:267
ff_dshow_pin_EndOfStream
long WINAPI ff_dshow_pin_EndOfStream(DShowPin *)
Definition: dshow_pin.c:164
ff_dshow_enumpins_Skip
long WINAPI ff_dshow_enumpins_Skip(DShowEnumPins *, unsigned long)
Definition: dshow_enumpins.c:48
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:76
DShowEnumMediaTypes
Definition: dshow_capture.h:229
dshow_ctx::audio_buffer_size
int audio_buffer_size
Definition: dshow_capture.h:302
ff_dshow_meminputpin_Destroy
void ff_dshow_meminputpin_Destroy(DShowMemInputPin *)
Definition: dshow_pin.c:377
AVRational
Rational number (pair of numerator and denominator).
Definition: rational.h:58
ff_dshow_filter_GetSyncSource
long WINAPI ff_dshow_filter_GetSyncSource(DShowFilter *, IReferenceClock **)
Definition: dshow_filter.c:76
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