| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef ES_QUEUE_H_ |
| |
| #define ES_QUEUE_H_ |
| |
| #include <media/stagefright/foundation/ABase.h> |
| #include <utils/Errors.h> |
| #include <utils/List.h> |
| #include <utils/RefBase.h> |
| |
| namespace android { |
| |
| struct ABuffer; |
| class MetaData; |
| |
| struct ElementaryStreamQueue { |
| enum Mode { |
| H264, |
| AAC, |
| AC3, |
| MPEG_AUDIO, |
| MPEG_VIDEO, |
| MPEG4_VIDEO, |
| PCM_AUDIO, |
| METADATA, |
| }; |
| |
| enum Flags { |
| // Data appended to the queue is always at access unit boundaries. |
| kFlag_AlignedData = 1, |
| }; |
| ElementaryStreamQueue(Mode mode, uint32_t flags = 0); |
| |
| status_t appendData(const void *data, size_t size, int64_t timeUs); |
| void signalEOS(); |
| void clear(bool clearFormat); |
| |
| sp<ABuffer> dequeueAccessUnit(); |
| |
| sp<MetaData> getFormat(); |
| |
| private: |
| struct RangeInfo { |
| int64_t mTimestampUs; |
| size_t mLength; |
| }; |
| |
| Mode mMode; |
| uint32_t mFlags; |
| bool mEOSReached; |
| |
| sp<ABuffer> mBuffer; |
| List<RangeInfo> mRangeInfos; |
| |
| sp<MetaData> mFormat; |
| |
| sp<ABuffer> dequeueAccessUnitH264(); |
| sp<ABuffer> dequeueAccessUnitAAC(); |
| sp<ABuffer> dequeueAccessUnitAC3(); |
| sp<ABuffer> dequeueAccessUnitMPEGAudio(); |
| sp<ABuffer> dequeueAccessUnitMPEGVideo(); |
| sp<ABuffer> dequeueAccessUnitMPEG4Video(); |
| sp<ABuffer> dequeueAccessUnitPCMAudio(); |
| sp<ABuffer> dequeueAccessUnitMetadata(); |
| |
| // consume a logical (compressed) access unit of size "size", |
| // returns its timestamp in us (or -1 if no time information). |
| int64_t fetchTimestamp(size_t size); |
| |
| DISALLOW_EVIL_CONSTRUCTORS(ElementaryStreamQueue); |
| }; |
| |
| } // namespace android |
| |
| #endif // ES_QUEUE_H_ |