2 * Copyright (C) 2009 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #ifndef AMR_NB_DECODER_H_
19 #define AMR_NB_DECODER_H_
21 #include <media/stagefright/MediaSource.h>
25 struct MediaBufferGroup;
27 struct AMRNBDecoder : public MediaSource {
28 AMRNBDecoder(const sp<MediaSource> &source);
30 virtual status_t start(MetaData *params);
31 virtual status_t stop();
33 virtual sp<MetaData> getFormat();
35 virtual status_t read(
36 MediaBuffer **buffer, const ReadOptions *options);
39 virtual ~AMRNBDecoder();
42 sp<MediaSource> mSource;
45 MediaBufferGroup *mBufferGroup;
48 int64_t mAnchorTimeUs;
49 int64_t mNumSamplesOutput;
51 MediaBuffer *mInputBuffer;
53 AMRNBDecoder(const AMRNBDecoder &);
54 AMRNBDecoder &operator=(const AMRNBDecoder &);
57 } // namespace android
59 #endif // AMR_NB_DECODER_H_