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
|
/* -*- 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(MP4Decoder_h_)
# define MP4Decoder_h_
# include "mozilla/UniquePtr.h"
# include "nsStringFwd.h"
# include "nsTArray.h"
namespace mozilla {
class MediaContainerType;
class MediaResult;
class DecoderDoctorDiagnostics;
class TrackInfo;
// Decoder that uses a bundled MP4 demuxer and platform decoders to play MP4.
class MP4Decoder {
public:
// Returns true if aContainerType is an MP4 type that we think we can render
// with the a platform decoder backend.
// If provided, codecs are checked for support.
static bool IsSupportedType(const MediaContainerType& aContainerType,
DecoderDoctorDiagnostics* aDiagnostics);
// Return true if aMimeType is a one of the strings used by our demuxers to
// identify H264. Does not parse general content type strings, i.e. white
// space matters.
static bool IsH264(const nsACString& aMimeType);
// Return true if aMimeType is a one of the strings used by our demuxers to
// identify AAC. Does not parse general content type strings, i.e. white
// space matters.
static bool IsAAC(const nsACString& aMimeType);
// Return true if aMimeType is a one of the strings used by our demuxers to
// identify HEVC. Does not parse general content type strings, i.e. white
// space matters.
static bool IsHEVC(const nsACString& aMimeType);
// Returns true if the MP4 backend is preffed on.
static bool IsEnabled();
static nsTArray<UniquePtr<TrackInfo>> GetTracksInfo(
const MediaContainerType& aType);
private:
static nsTArray<UniquePtr<TrackInfo>> GetTracksInfo(
const MediaContainerType& aType, MediaResult& aError);
};
} // namespace mozilla
#endif
|
