Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(235)

Side by Side Diff: media/filters/ffmpeg_glue.h

Issue 1904213003: Convert //media/filters from scoped_ptr to std::unique_ptr (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 8 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
OLDNEW
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // FFmpegGlue is an interface between FFmpeg and Chrome used to proxy FFmpeg's 5 // FFmpegGlue is an interface between FFmpeg and Chrome used to proxy FFmpeg's
6 // read and seek requests to Chrome's internal data structures. The glue works 6 // read and seek requests to Chrome's internal data structures. The glue works
7 // through the AVIO interface provided by FFmpeg. 7 // through the AVIO interface provided by FFmpeg.
8 // 8 //
9 // AVIO works through a special AVIOContext created through avio_alloc_context() 9 // AVIO works through a special AVIOContext created through avio_alloc_context()
10 // which is attached to the AVFormatContext used for demuxing. The AVIO context 10 // which is attached to the AVFormatContext used for demuxing. The AVIO context
11 // is initialized with read and seek methods which FFmpeg calls when necessary. 11 // is initialized with read and seek methods which FFmpeg calls when necessary.
12 // 12 //
13 // During OpenContext() FFmpegGlue will tell FFmpeg to use Chrome's AVIO context 13 // During OpenContext() FFmpegGlue will tell FFmpeg to use Chrome's AVIO context
14 // by passing NULL in for the filename parameter to avformat_open_input(). All 14 // by passing NULL in for the filename parameter to avformat_open_input(). All
15 // FFmpeg operations using the configured AVFormatContext will then redirect 15 // FFmpeg operations using the configured AVFormatContext will then redirect
16 // reads and seeks through the glue. 16 // reads and seeks through the glue.
17 // 17 //
18 // The glue in turn processes those read and seek requests using the 18 // The glue in turn processes those read and seek requests using the
19 // FFmpegURLProtocol provided during construction. 19 // FFmpegURLProtocol provided during construction.
20 // 20 //
21 // FFmpegGlue is also responsible for initializing FFmpeg, which is done once 21 // FFmpegGlue is also responsible for initializing FFmpeg, which is done once
22 // per process. Initialization includes: turning off log messages, registering 22 // per process. Initialization includes: turning off log messages, registering
23 // a lock manager, and finally registering all demuxers and codecs. 23 // a lock manager, and finally registering all demuxers and codecs.
24 24
25 #ifndef MEDIA_FILTERS_FFMPEG_GLUE_H_ 25 #ifndef MEDIA_FILTERS_FFMPEG_GLUE_H_
26 #define MEDIA_FILTERS_FFMPEG_GLUE_H_ 26 #define MEDIA_FILTERS_FFMPEG_GLUE_H_
27 27
28 #include <stdint.h> 28 #include <stdint.h>
29 29
30 #include <memory>
31
30 #include "base/macros.h" 32 #include "base/macros.h"
31 #include "base/memory/scoped_ptr.h"
32 #include "media/base/media_export.h" 33 #include "media/base/media_export.h"
33 #include "media/ffmpeg/ffmpeg_deleters.h" 34 #include "media/ffmpeg/ffmpeg_deleters.h"
34 35
35 struct AVFormatContext; 36 struct AVFormatContext;
36 struct AVIOContext; 37 struct AVIOContext;
37 38
38 namespace media { 39 namespace media {
39 40
40 class MEDIA_EXPORT FFmpegURLProtocol { 41 class MEDIA_EXPORT FFmpegURLProtocol {
41 public: 42 public:
(...skipping 25 matching lines...) Expand all
67 ~FFmpegGlue(); 68 ~FFmpegGlue();
68 69
69 // Opens an AVFormatContext specially prepared to process reads and seeks 70 // Opens an AVFormatContext specially prepared to process reads and seeks
70 // through the FFmpegURLProtocol provided during construction. 71 // through the FFmpegURLProtocol provided during construction.
71 bool OpenContext(); 72 bool OpenContext();
72 AVFormatContext* format_context() { return format_context_; } 73 AVFormatContext* format_context() { return format_context_; }
73 74
74 private: 75 private:
75 bool open_called_; 76 bool open_called_;
76 AVFormatContext* format_context_; 77 AVFormatContext* format_context_;
77 scoped_ptr<AVIOContext, ScopedPtrAVFree> avio_context_; 78 std::unique_ptr<AVIOContext, ScopedPtrAVFree> avio_context_;
78 79
79 DISALLOW_COPY_AND_ASSIGN(FFmpegGlue); 80 DISALLOW_COPY_AND_ASSIGN(FFmpegGlue);
80 }; 81 };
81 82
82 } // namespace media 83 } // namespace media
83 84
84 #endif // MEDIA_FILTERS_FFMPEG_GLUE_H_ 85 #endif // MEDIA_FILTERS_FFMPEG_GLUE_H_
OLDNEW

Powered by Google App Engine
This is Rietveld 408576698