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
|
/* -*- 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/. */
#if !defined(nsDirectShowSource_h___)
#define nsDirectShowSource_h___
#include "BaseFilter.h"
#include "BasePin.h"
#include "MediaType.h"
#include "nsDeque.h"
#include "nsAutoPtr.h"
#include "DirectShowUtils.h"
#include "mozilla/RefPtr.h"
namespace mozilla {
class MediaResource;
class OutputPin;
// SourceFilter is an asynchronous DirectShow source filter which
// reads from an MediaResource, and supplies data via a pull model downstream
// using OutputPin. It us used to supply a generic byte stream into
// DirectShow.
//
// Implements:
// * IBaseFilter
// * IMediaFilter
// * IPersist
// * IUnknown
//
class DECLSPEC_UUID("5c2a7ad0-ba82-4659-9178-c4719a2765d6")
SourceFilter : public media::BaseFilter
{
public:
// Constructs source filter to deliver given media type.
SourceFilter(const GUID& aMajorType, const GUID& aSubType);
~SourceFilter();
nsresult Init(MediaResource *aResource, int64_t aMP3Offset);
// BaseFilter overrides.
// Only one output - the byte stream.
int GetPinCount() override { return 1; }
media::BasePin* GetPin(int n) override;
// Get's the media type we're supplying.
const media::MediaType* GetMediaType() const;
uint32_t GetAndResetBytesConsumedCount();
protected:
// Our async pull output pin.
nsAutoPtr<OutputPin> mOutputPin;
// Type of byte stream we output.
media::MediaType mMediaType;
};
} // namespace mozilla
// For mingw __uuidof support
#ifdef __CRT_UUID_DECL
__CRT_UUID_DECL(mozilla::SourceFilter, 0x5c2a7ad0,0xba82,0x4659,0x91,0x78,0xc4,0x71,0x9a,0x27,0x65,0xd6);
#endif
#endif
|
