content/media/MediaInfo.h@44a2da4a2ab2 (annotated)
content/media/MediaInfo.h
Fri, 16 Jan 2015 04:50:19 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Fri, 16 Jan 2015 04:50:19 +0100
- branch
- TOR_BUG_9701
- changeset 13
- 44a2da4a2ab2
- permissions
- -rw-r--r--
Replace accessor implementation with direct member state manipulation, by
request https://trac.torproject.org/projects/tor/ticket/9701#comment:32
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* vim: set ts=8 sts=2 et sw=2 tw=80: */ |
| michael@0 | 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | #if !defined(MediaInfo_h) |
| michael@0 | 7 | #define MediaInfo_h |
| michael@0 | 8 | |
| michael@0 | 9 | #include "nsSize.h" |
| michael@0 | 10 | #include "nsRect.h" |
| michael@0 | 11 | #include "ImageTypes.h" |
| michael@0 | 12 | |
| michael@0 | 13 | namespace mozilla { |
| michael@0 | 14 | |
| michael@0 | 15 | // Stores info relevant to presenting media frames. |
| michael@0 | 16 | class VideoInfo { |
| michael@0 | 17 | public: |
| michael@0 | 18 | VideoInfo() |
| michael@0 | 19 | : mDisplay(0,0) |
| michael@0 | 20 | , mStereoMode(StereoMode::MONO) |
| michael@0 | 21 | , mHasVideo(false) |
| michael@0 | 22 | {} |
| michael@0 | 23 | |
| michael@0 | 24 | // Size in pixels at which the video is rendered. This is after it has |
| michael@0 | 25 | // been scaled by its aspect ratio. |
| michael@0 | 26 | nsIntSize mDisplay; |
| michael@0 | 27 | |
| michael@0 | 28 | // Indicates the frame layout for single track stereo videos. |
| michael@0 | 29 | StereoMode mStereoMode; |
| michael@0 | 30 | |
| michael@0 | 31 | // True if we have an active video bitstream. |
| michael@0 | 32 | bool mHasVideo; |
| michael@0 | 33 | }; |
| michael@0 | 34 | |
| michael@0 | 35 | class AudioInfo { |
| michael@0 | 36 | public: |
| michael@0 | 37 | AudioInfo() |
| michael@0 | 38 | : mRate(44100) |
| michael@0 | 39 | , mChannels(2) |
| michael@0 | 40 | , mHasAudio(false) |
| michael@0 | 41 | {} |
| michael@0 | 42 | |
| michael@0 | 43 | // Sample rate. |
| michael@0 | 44 | uint32_t mRate; |
| michael@0 | 45 | |
| michael@0 | 46 | // Number of audio channels. |
| michael@0 | 47 | uint32_t mChannels; |
| michael@0 | 48 | |
| michael@0 | 49 | // True if we have an active audio bitstream. |
| michael@0 | 50 | bool mHasAudio; |
| michael@0 | 51 | }; |
| michael@0 | 52 | |
| michael@0 | 53 | class MediaInfo { |
| michael@0 | 54 | public: |
| michael@0 | 55 | bool HasVideo() const |
| michael@0 | 56 | { |
| michael@0 | 57 | return mVideo.mHasVideo; |
| michael@0 | 58 | } |
| michael@0 | 59 | |
| michael@0 | 60 | bool HasAudio() const |
| michael@0 | 61 | { |
| michael@0 | 62 | return mAudio.mHasAudio; |
| michael@0 | 63 | } |
| michael@0 | 64 | |
| michael@0 | 65 | bool HasValidMedia() const |
| michael@0 | 66 | { |
| michael@0 | 67 | return HasVideo() || HasAudio(); |
| michael@0 | 68 | } |
| michael@0 | 69 | |
| michael@0 | 70 | VideoInfo mVideo; |
| michael@0 | 71 | AudioInfo mAudio; |
| michael@0 | 72 | }; |
| michael@0 | 73 | |
| michael@0 | 74 | } // namespace mozilla |
| michael@0 | 75 | |
| michael@0 | 76 | #endif // MediaInfo_h |
