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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      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
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     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.
     15  */
     16 
     17 #ifndef DUMMY_VIDEOSOURCE_H_
     18 #define DUMMY_VIDEOSOURCE_H_
     19 
     20 #include <media/stagefright/MediaSource.h>
     21 #include "M4OSA_Clock.h"
     22 #include "M4OSA_Time.h"
     23 #include "M4OSA_Types.h"
     24 
     25 namespace android {
     26 
     27 class  MediaBuffer;
     28 class  MetaData;
     29 
     30 struct DummyVideoSource : public MediaSource {
     31 
     32 public:
     33     static sp<DummyVideoSource> Create(
     34                 uint32_t width, uint32_t height,
     35                 uint64_t clipDuration, const char *imageUri);
     36 
     37     virtual status_t start(MetaData *params = NULL);
     38     virtual status_t stop();
     39     virtual sp<MetaData> getFormat();
     40 
     41     virtual status_t read(
     42                 MediaBuffer **buffer,
     43                 const MediaSource::ReadOptions *options = NULL);
     44 
     45 protected:
     46     virtual ~DummyVideoSource();
     47 
     48 private:
     49     uint32_t mFrameWidth;
     50     uint32_t mFrameHeight;
     51     uint64_t mImageClipDuration;
     52     const char *mUri;
     53     int64_t mFrameTimeUs;
     54     bool mIsFirstImageFrame;
     55     void *mImageBuffer;
     56     M4OSA_Time mImagePlayStartTime;
     57     uint32_t mImageSeekTime;
     58 
     59     DummyVideoSource(
     60             uint32_t width, uint32_t height,
     61             uint64_t clipDuration, const char *imageUri);
     62 
     63     // Don't call me
     64     DummyVideoSource(const DummyVideoSource &);
     65     DummyVideoSource &operator=(const DummyVideoSource &);
     66 
     67 };
     68 
     69 
     70 }//namespace android
     71 
     72 
     73 #endif //DUMMY_VIDEOSOURCE_H_
     74 
     75