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
|
// Copyright (c) 2009 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/bench/file_protocol.h"
#include "base/file_util.h"
#include "base/logging.h"
#include "media/filters/ffmpeg_common.h"
namespace {
FILE* ToFile(void* data) {
return reinterpret_cast<FILE*>(data);
}
// FFmpeg protocol interface.
int OpenContext(URLContext* h, const char* filename, int flags) {
FILE* file = file_util::OpenFile(filename, "rb");
if (!file)
return AVERROR_IO;
h->priv_data = file;
h->flags = URL_RDONLY;
h->is_streamed = false;
return 0;
}
int ReadContext(URLContext* h, unsigned char* buf, int size) {
return fread(buf, 1, size, ToFile(h->priv_data));
}
int WriteContext(URLContext* h, unsigned char* buf, int size) {
NOTIMPLEMENTED();
return AVERROR_IO;
}
offset_t SeekContext(URLContext* h, offset_t offset, int whence) {
#if defined(OS_WIN)
return _fseeki64(ToFile(h->priv_data), offset, whence);
#else
return fseek(ToFile(h->priv_data), offset, whence);
#endif
}
int CloseContext(URLContext* h) {
if (file_util::CloseFile(ToFile(h->priv_data)))
return 0;
return AVERROR_IO;
}
} // namespace
URLProtocol kFFmpegFileProtocol = {
"file",
&OpenContext,
&ReadContext,
&WriteContext,
&SeekContext,
&CloseContext,
};
|
