blob: 77720b44a0a24255d10808980b8cbe6e1ebd667c (
plain)
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
|
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/base/media.h"
#include "base/command_line.h"
#include "base/macros.h"
#include "base/metrics/field_trial.h"
#include "base/trace_event/trace_event.h"
#include "media/base/media_switches.h"
#include "third_party/libyuv/include/libyuv.h"
#if defined(OS_ANDROID)
#include "base/android/build_info.h"
#include "media/base/android/media_codec_util.h"
#endif
#if !defined(MEDIA_DISABLE_FFMPEG)
#include "media/ffmpeg/ffmpeg_common.h"
#endif
namespace media {
// Media must only be initialized once; use a thread-safe static to do this.
class MediaInitializer {
public:
MediaInitializer() {
TRACE_EVENT_WARMUP_CATEGORY("audio");
TRACE_EVENT_WARMUP_CATEGORY("media");
libyuv::InitCpuFlags();
#if !defined(MEDIA_DISABLE_FFMPEG)
// Initialize CPU flags outside of the sandbox as this may query /proc for
// details on the current CPU for NEON, VFP, etc optimizations.
av_get_cpu_flags();
// Disable logging as it interferes with layout tests.
av_log_set_level(AV_LOG_QUIET);
#if defined(ALLOCATOR_SHIM)
// Remove allocation limit from ffmpeg, so calls go down to shim layer.
av_max_alloc(0);
#endif // defined(ALLOCATOR_SHIM)
#endif // !defined(MEDIA_DISABLE_FFMPEG)
}
#if defined(OS_ANDROID)
void enable_platform_decoder_support() {
has_platform_decoder_support_ = true;
}
bool has_platform_decoder_support() const {
return has_platform_decoder_support_;
}
#endif // defined(OS_ANDROID)
private:
~MediaInitializer() = delete;
#if defined(OS_ANDROID)
bool has_platform_decoder_support_ = false;
#endif // defined(OS_ANDROID)
DISALLOW_COPY_AND_ASSIGN(MediaInitializer);
};
static MediaInitializer* GetMediaInstance() {
static MediaInitializer* instance = new MediaInitializer();
return instance;
}
void InitializeMediaLibrary() {
GetMediaInstance();
}
#if defined(OS_ANDROID)
void EnablePlatformDecoderSupport() {
GetMediaInstance()->enable_platform_decoder_support();
}
bool HasPlatformDecoderSupport() {
return GetMediaInstance()->has_platform_decoder_support();
}
bool PlatformHasOpusSupport() {
return base::android::BuildInfo::GetInstance()->sdk_int() >= 21;
}
#endif // defined(OS_ANDROID)
} // namespace media
|
