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/*
* 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 XING_SEEKER_H_
#define XING_SEEKER_H_
#include "MP3Seeker.h"
namespace android {
class DataSourceHelper;
struct XINGSeeker : public MP3Seeker {
static XINGSeeker *CreateFromSource(
DataSourceHelper *source, off64_t first_frame_pos);
virtual bool getDuration(int64_t *durationUs);
virtual bool getOffsetForTime(int64_t *timeUs, off64_t *pos);
virtual int32_t getEncoderDelay();
virtual int32_t getEncoderPadding();
private:
int64_t mFirstFramePos;
int64_t mDurationUs;
int32_t mSizeBytes;
int32_t mEncoderDelay;
int32_t mEncoderPadding;
// TOC entries in XING header. Skip the first one since it's always 0.
unsigned char mTOC[99];
bool mTOCValid;
XINGSeeker();
DISALLOW_EVIL_CONSTRUCTORS(XINGSeeker);
};
} // namespace android
#endif // XING_SEEKER_H_