1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "SampleSink.h"
#include "AudioSinkFilter.h"
#include "AudioSinkInputPin.h"
#include "VideoUtils.h"
#include "mozilla/Logging.h"
#include <initguid.h>
#include <wmsdkidl.h>
#define DELETE_RESET(p) { delete (p) ; (p) = nullptr ;}
DEFINE_GUID(CLSID_MozAudioSinkFilter, 0x1872d8c8, 0xea8d, 0x4c34, 0xae, 0x96, 0x69, 0xde,
0xf1, 0x33, 0x7b, 0x33);
using namespace mozilla::media;
namespace mozilla {
static LazyLogModule gDirectShowLog("DirectShowDecoder");
#define LOG(...) MOZ_LOG(gDirectShowLog, mozilla::LogLevel::Debug, (__VA_ARGS__))
AudioSinkFilter::AudioSinkFilter(const wchar_t* aObjectName, HRESULT* aOutResult)
: BaseFilter(aObjectName, CLSID_MozAudioSinkFilter),
mFilterCritSec("AudioSinkFilter::mFilterCritSec")
{
(*aOutResult) = S_OK;
mInputPin = new AudioSinkInputPin(L"AudioSinkInputPin",
this,
&mFilterCritSec,
aOutResult);
}
AudioSinkFilter::~AudioSinkFilter()
{
}
int
AudioSinkFilter::GetPinCount()
{
return 1;
}
BasePin*
AudioSinkFilter::GetPin(int aIndex)
{
CriticalSectionAutoEnter lockFilter(mFilterCritSec);
return (aIndex == 0) ? static_cast<BasePin*>(mInputPin) : nullptr;
}
HRESULT
AudioSinkFilter::Pause()
{
CriticalSectionAutoEnter lockFilter(mFilterCritSec);
if (mState == State_Stopped) {
// Change the state, THEN activate the input pin.
mState = State_Paused;
if (mInputPin && mInputPin->IsConnected()) {
mInputPin->Active();
}
} else if (mState == State_Running) {
mState = State_Paused;
}
return S_OK;
}
HRESULT
AudioSinkFilter::Stop()
{
CriticalSectionAutoEnter lockFilter(mFilterCritSec);
mState = State_Stopped;
if (mInputPin) {
mInputPin->Inactive();
}
GetSampleSink()->Flush();
return S_OK;
}
HRESULT
AudioSinkFilter::Run(REFERENCE_TIME tStart)
{
LOG("AudioSinkFilter::Run(%lld) [%4.2lf]",
RefTimeToUsecs(tStart),
double(RefTimeToUsecs(tStart)) / USECS_PER_S);
return media::BaseFilter::Run(tStart);
}
HRESULT
AudioSinkFilter::GetClassID( OUT CLSID * pCLSID )
{
(* pCLSID) = CLSID_MozAudioSinkFilter;
return S_OK;
}
HRESULT
AudioSinkFilter::QueryInterface(REFIID aIId, void **aInterface)
{
if (aIId == IID_IMediaSeeking) {
*aInterface = static_cast<IMediaSeeking*>(this);
AddRef();
return S_OK;
}
return mozilla::media::BaseFilter::QueryInterface(aIId, aInterface);
}
ULONG
AudioSinkFilter::AddRef()
{
return ::InterlockedIncrement(&mRefCnt);
}
ULONG
AudioSinkFilter::Release()
{
unsigned long newRefCnt = ::InterlockedDecrement(&mRefCnt);
if (!newRefCnt) {
delete this;
}
return newRefCnt;
}
SampleSink*
AudioSinkFilter::GetSampleSink()
{
return mInputPin->GetSampleSink();
}
// IMediaSeeking implementation.
//
// Calls to IMediaSeeking are forwarded to the output pin that the
// AudioSinkInputPin is connected to, i.e. upstream towards the parser and
// source filters, which actually implement seeking.
#define ENSURE_CONNECTED_PIN_SEEKING \
if (!mInputPin) { \
return E_NOTIMPL; \
} \
RefPtr<IMediaSeeking> pinSeeking = mInputPin->GetConnectedPinSeeking(); \
if (!pinSeeking) { \
return E_NOTIMPL; \
}
HRESULT
AudioSinkFilter::GetCapabilities(DWORD* aCapabilities)
{
ENSURE_CONNECTED_PIN_SEEKING
return pinSeeking->GetCapabilities(aCapabilities);
}
HRESULT
AudioSinkFilter::CheckCapabilities(DWORD* aCapabilities)
{
ENSURE_CONNECTED_PIN_SEEKING
return pinSeeking->CheckCapabilities(aCapabilities);
}
HRESULT
AudioSinkFilter::IsFormatSupported(const GUID* aFormat)
{
ENSURE_CONNECTED_PIN_SEEKING
return pinSeeking->IsFormatSupported(aFormat);
}
HRESULT
AudioSinkFilter::QueryPreferredFormat(GUID* aFormat)
{
ENSURE_CONNECTED_PIN_SEEKING
return pinSeeking->QueryPreferredFormat(aFormat);
}
HRESULT
AudioSinkFilter::GetTimeFormat(GUID* aFormat)
{
ENSURE_CONNECTED_PIN_SEEKING
return pinSeeking->GetTimeFormat(aFormat);
}
HRESULT
AudioSinkFilter::IsUsingTimeFormat(const GUID* aFormat)
{
ENSURE_CONNECTED_PIN_SEEKING
return pinSeeking->IsUsingTimeFormat(aFormat);
}
HRESULT
AudioSinkFilter::SetTimeFormat(const GUID* aFormat)
{
ENSURE_CONNECTED_PIN_SEEKING
return pinSeeking->SetTimeFormat(aFormat);
}
HRESULT
AudioSinkFilter::GetDuration(LONGLONG* aDuration)
{
ENSURE_CONNECTED_PIN_SEEKING
return pinSeeking->GetDuration(aDuration);
}
HRESULT
AudioSinkFilter::GetStopPosition(LONGLONG* aStop)
{
ENSURE_CONNECTED_PIN_SEEKING
return pinSeeking->GetStopPosition(aStop);
}
HRESULT
AudioSinkFilter::GetCurrentPosition(LONGLONG* aCurrent)
{
ENSURE_CONNECTED_PIN_SEEKING
return pinSeeking->GetCurrentPosition(aCurrent);
}
HRESULT
AudioSinkFilter::ConvertTimeFormat(LONGLONG* aTarget,
const GUID* aTargetFormat,
LONGLONG aSource,
const GUID* aSourceFormat)
{
ENSURE_CONNECTED_PIN_SEEKING
return pinSeeking->ConvertTimeFormat(aTarget,
aTargetFormat,
aSource,
aSourceFormat);
}
HRESULT
AudioSinkFilter::SetPositions(LONGLONG* aCurrent,
DWORD aCurrentFlags,
LONGLONG* aStop,
DWORD aStopFlags)
{
ENSURE_CONNECTED_PIN_SEEKING
return pinSeeking->SetPositions(aCurrent,
aCurrentFlags,
aStop,
aStopFlags);
}
HRESULT
AudioSinkFilter::GetPositions(LONGLONG* aCurrent,
LONGLONG* aStop)
{
ENSURE_CONNECTED_PIN_SEEKING
return pinSeeking->GetPositions(aCurrent, aStop);
}
HRESULT
AudioSinkFilter::GetAvailable(LONGLONG* aEarliest,
LONGLONG* aLatest)
{
ENSURE_CONNECTED_PIN_SEEKING
return pinSeeking->GetAvailable(aEarliest, aLatest);
}
HRESULT
AudioSinkFilter::SetRate(double aRate)
{
ENSURE_CONNECTED_PIN_SEEKING
return pinSeeking->SetRate(aRate);
}
HRESULT
AudioSinkFilter::GetRate(double* aRate)
{
ENSURE_CONNECTED_PIN_SEEKING
return pinSeeking->GetRate(aRate);
}
HRESULT
AudioSinkFilter::GetPreroll(LONGLONG* aPreroll)
{
ENSURE_CONNECTED_PIN_SEEKING
return pinSeeking->GetPreroll(aPreroll);
}
} // namespace mozilla
|
