content/media/encoder/EncodedFrameContainer.h@6474c204b198 (annotated)
content/media/encoder/EncodedFrameContainer.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this file, |
| michael@0 | 4 | * You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef EncodedFrameContainer_H_ |
| michael@0 | 7 | #define EncodedFrameContainer_H_ |
| michael@0 | 8 | |
| michael@0 | 9 | #include "nsAutoPtr.h" |
| michael@0 | 10 | #include "nsTArray.h" |
| michael@0 | 11 | |
| michael@0 | 12 | namespace mozilla { |
| michael@0 | 13 | |
| michael@0 | 14 | class EncodedFrame; |
| michael@0 | 15 | |
| michael@0 | 16 | /* |
| michael@0 | 17 | * This container is used to carry video or audio encoded data from encoder to muxer. |
| michael@0 | 18 | * The media data object is created by encoder and recycle by the destructor. |
| michael@0 | 19 | * Only allow to store audio or video encoded data in EncodedData. |
| michael@0 | 20 | */ |
| michael@0 | 21 | class EncodedFrameContainer |
| michael@0 | 22 | { |
| michael@0 | 23 | public: |
| michael@0 | 24 | // Append encoded frame data |
| michael@0 | 25 | void AppendEncodedFrame(EncodedFrame* aEncodedFrame) |
| michael@0 | 26 | { |
| michael@0 | 27 | mEncodedFrames.AppendElement(aEncodedFrame); |
| michael@0 | 28 | } |
| michael@0 | 29 | // Retrieve all of the encoded frames |
| michael@0 | 30 | const nsTArray<nsRefPtr<EncodedFrame> >& GetEncodedFrames() const |
| michael@0 | 31 | { |
| michael@0 | 32 | return mEncodedFrames; |
| michael@0 | 33 | } |
| michael@0 | 34 | private: |
| michael@0 | 35 | // This container is used to store the video or audio encoded packets. |
| michael@0 | 36 | // Muxer should check mFrameType and get the encoded data type from mEncodedFrames. |
| michael@0 | 37 | nsTArray<nsRefPtr<EncodedFrame> > mEncodedFrames; |
| michael@0 | 38 | }; |
| michael@0 | 39 | |
| michael@0 | 40 | // Represent one encoded frame |
| michael@0 | 41 | class EncodedFrame MOZ_FINAL |
| michael@0 | 42 | { |
| michael@0 | 43 | NS_INLINE_DECL_THREADSAFE_REFCOUNTING(EncodedFrame) |
| michael@0 | 44 | public: |
| michael@0 | 45 | EncodedFrame() : |
| michael@0 | 46 | mTimeStamp(0), |
| michael@0 | 47 | mDuration(0), |
| michael@0 | 48 | mFrameType(UNKNOWN) |
| michael@0 | 49 | {} |
| michael@0 | 50 | enum FrameType { |
| michael@0 | 51 | VP8_I_FRAME, // VP8 intraframe |
| michael@0 | 52 | VP8_P_FRAME, // VP8 predicted frame |
| michael@0 | 53 | OPUS_AUDIO_FRAME, // Opus audio frame |
| michael@0 | 54 | VORBIS_AUDIO_FRAME, |
| michael@0 | 55 | AVC_I_FRAME, |
| michael@0 | 56 | AVC_P_FRAME, |
| michael@0 | 57 | AVC_B_FRAME, |
| michael@0 | 58 | AVC_CSD, // AVC codec specific data |
| michael@0 | 59 | AAC_AUDIO_FRAME, |
| michael@0 | 60 | AAC_CSD, // AAC codec specific data |
| michael@0 | 61 | AMR_AUDIO_CSD, |
| michael@0 | 62 | AMR_AUDIO_FRAME, |
| michael@0 | 63 | UNKNOWN // FrameType not set |
| michael@0 | 64 | }; |
| michael@0 | 65 | nsresult SwapInFrameData(nsTArray<uint8_t>& aData) |
| michael@0 | 66 | { |
| michael@0 | 67 | mFrameData.SwapElements(aData); |
| michael@0 | 68 | return NS_OK; |
| michael@0 | 69 | } |
| michael@0 | 70 | nsresult SwapOutFrameData(nsTArray<uint8_t>& aData) |
| michael@0 | 71 | { |
| michael@0 | 72 | if (mFrameType != UNKNOWN) { |
| michael@0 | 73 | // Reset this frame type to UNKNOWN once the data is swapped out. |
| michael@0 | 74 | mFrameData.SwapElements(aData); |
| michael@0 | 75 | mFrameType = UNKNOWN; |
| michael@0 | 76 | return NS_OK; |
| michael@0 | 77 | } |
| michael@0 | 78 | return NS_ERROR_FAILURE; |
| michael@0 | 79 | } |
| michael@0 | 80 | const nsTArray<uint8_t>& GetFrameData() const |
| michael@0 | 81 | { |
| michael@0 | 82 | return mFrameData; |
| michael@0 | 83 | } |
| michael@0 | 84 | uint64_t GetTimeStamp() const { return mTimeStamp; } |
| michael@0 | 85 | void SetTimeStamp(uint64_t aTimeStamp) { mTimeStamp = aTimeStamp; } |
| michael@0 | 86 | |
| michael@0 | 87 | uint64_t GetDuration() const { return mDuration; } |
| michael@0 | 88 | void SetDuration(uint64_t aDuration) { mDuration = aDuration; } |
| michael@0 | 89 | |
| michael@0 | 90 | FrameType GetFrameType() const { return mFrameType; } |
| michael@0 | 91 | void SetFrameType(FrameType aFrameType) { mFrameType = aFrameType; } |
| michael@0 | 92 | private: |
| michael@0 | 93 | // Private destructor, to discourage deletion outside of Release(): |
| michael@0 | 94 | ~EncodedFrame() |
| michael@0 | 95 | { |
| michael@0 | 96 | } |
| michael@0 | 97 | |
| michael@0 | 98 | // Encoded data |
| michael@0 | 99 | nsTArray<uint8_t> mFrameData; |
| michael@0 | 100 | uint64_t mTimeStamp; |
| michael@0 | 101 | // The playback duration of this packet in number of samples |
| michael@0 | 102 | uint64_t mDuration; |
| michael@0 | 103 | // Represent what is in the FrameData |
| michael@0 | 104 | FrameType mFrameType; |
| michael@0 | 105 | }; |
| michael@0 | 106 | |
| michael@0 | 107 | } |
| michael@0 | 108 | #endif |
