blob: 140b9c06ff5d213381be092c71c8d016e17beec1 (
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
|
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef MODULES_VIDEO_CODING_UTILITY_IVF_FILE_WRITER_H_
#define MODULES_VIDEO_CODING_UTILITY_IVF_FILE_WRITER_H_
#include <stddef.h>
#include <stdint.h>
#include <memory>
#include "api/video/encoded_image.h"
#include "api/video/video_codec_type.h"
#include "rtc_base/constructor_magic.h"
#include "rtc_base/system/file_wrapper.h"
#include "rtc_base/time_utils.h"
namespace webrtc {
class IvfFileWriter {
public:
// Takes ownership of the file, which will be closed either through
// Close or ~IvfFileWriter. If writing a frame would take the file above the
// |byte_limit| the file will be closed, the write (and all future writes)
// will fail. A |byte_limit| of 0 is equivalent to no limit.
static std::unique_ptr<IvfFileWriter> Wrap(FileWrapper file,
size_t byte_limit);
~IvfFileWriter();
bool WriteFrame(const EncodedImage& encoded_image, VideoCodecType codec_type);
bool Close();
private:
explicit IvfFileWriter(FileWrapper file, size_t byte_limit);
bool WriteHeader();
bool InitFromFirstFrame(const EncodedImage& encoded_image,
VideoCodecType codec_type);
bool WriteOneSpatialLayer(int64_t timestamp,
const uint8_t* data,
size_t size);
VideoCodecType codec_type_;
size_t bytes_written_;
size_t byte_limit_;
size_t num_frames_;
uint16_t width_;
uint16_t height_;
int64_t last_timestamp_;
bool using_capture_timestamps_;
rtc::TimestampWrapAroundHandler wrap_handler_;
FileWrapper file_;
RTC_DISALLOW_COPY_AND_ASSIGN(IvfFileWriter);
};
} // namespace webrtc
#endif // MODULES_VIDEO_CODING_UTILITY_IVF_FILE_WRITER_H_
|
