TimedTextSource.h revision d411b4ca2945cd8974a3a78199fce94646950128
1c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org/* 2c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org * Copyright (C) 2012 The Android Open Source Project 3c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org * 492ae1613a125071690336a57cedd4dd9e298cf20agl@chromium.org * Licensed under the Apache License, Version 2.0 (the "License"); 592ae1613a125071690336a57cedd4dd9e298cf20agl@chromium.org * you may not use this file except in compliance with the License. 6c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org * You may obtain a copy of the License at 7c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org * 8c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org * http://www.apache.org/licenses/LICENSE-2.0 9c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org * 10c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org * Unless required by applicable law or agreed to in writing, software 11c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org * distributed under the License is distributed on an "AS IS" BASIS, 12c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org * See the License for the specific language governing permissions and 14c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org * limitations under the License. 15c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org */ 16c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org 17c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org#ifndef TIMED_TEXT_SOURCE_H_ 18c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org#define TIMED_TEXT_SOURCE_H_ 19c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org 20c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org#include <media/stagefright/foundation/ABase.h> // for DISALLOW_XXX macro. 21c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org#include <media/stagefright/MediaErrors.h> 22c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org#include <media/stagefright/MediaSource.h> // for MediaSource::ReadOptions 23c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org#include <utils/RefBase.h> 24c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org 25c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.orgnamespace android { 26c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org 27c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.orgclass DataSource; 28c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.orgclass MetaData; 29c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.orgclass Parcel; 30c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org 31c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.orgclass TimedTextSource : public RefBase { 32c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org public: 33c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org enum FileType { 34c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org OUT_OF_BAND_FILE_SRT = 1, 35c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org OUT_OF_BAND_FILE_SMI = 2, 36c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org }; 37c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org static sp<TimedTextSource> CreateTimedTextSource( 38c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org const sp<MediaSource>& source); 39c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org static sp<TimedTextSource> CreateTimedTextSource( 40c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org const sp<DataSource>& source, FileType filetype); 41c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org TimedTextSource() {} 42c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org virtual status_t start() = 0; 43c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org virtual status_t stop() = 0; 44c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org // Returns subtitle parcel and its start time. 45c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org virtual status_t read( 46c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org int64_t *startTimeUs, 47c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org int64_t *endTimeUs, 48c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org Parcel *parcel, 49c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org const MediaSource::ReadOptions *options = NULL) = 0; 50c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org virtual status_t extractGlobalDescriptions(Parcel * /* parcel */) { 51c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org return INVALID_OPERATION; 52c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org } 53c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org virtual sp<MetaData> getFormat(); 54c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org 55c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org protected: 56c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org virtual ~TimedTextSource() { } 57c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org 58c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org private: 59c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org DISALLOW_EVIL_CONSTRUCTORS(TimedTextSource); 60c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org}; 61c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org 62c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org} // namespace android 63c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org 64c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org#endif // TIMED_TEXT_SOURCE_H_ 65c2a937599a1ec33cd0f57649580e93ff25b22fcabashi@chromium.org