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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 SOFT_VPX_H_
     18 
     19 #define SOFT_VPX_H_
     20 
     21 #include "SoftVideoDecoderOMXComponent.h"
     22 
     23 #include "vpx/vpx_decoder.h"
     24 #include "vpx/vpx_codec.h"
     25 #include "vpx/vp8dx.h"
     26 
     27 namespace android {
     28 
     29 struct SoftVPX : public SoftVideoDecoderOMXComponent {
     30     SoftVPX(const char *name,
     31             const char *componentRole,
     32             OMX_VIDEO_CODINGTYPE codingType,
     33             const OMX_CALLBACKTYPE *callbacks,
     34             OMX_PTR appData,
     35             OMX_COMPONENTTYPE **component);
     36 
     37 protected:
     38     virtual ~SoftVPX();
     39 
     40     virtual void onQueueFilled(OMX_U32 portIndex);
     41     virtual void onPortFlushCompleted(OMX_U32 portIndex);
     42     virtual void onReset();
     43 
     44 private:
     45     enum {
     46         kNumBuffers = 4
     47     };
     48 
     49     enum {
     50         MODE_VP8,
     51         MODE_VP9
     52     } mMode;
     53 
     54     enum {
     55         INPUT_DATA_AVAILABLE,  // VPX component is ready to decode data.
     56         INPUT_EOS_SEEN,        // VPX component saw EOS and is flushing On2 decoder.
     57         OUTPUT_FRAMES_FLUSHED  // VPX component finished flushing On2 decoder.
     58     } mEOSStatus;
     59 
     60     void *mCtx;
     61     bool mFrameParallelMode;  // Frame parallel is only supported by VP9 decoder.
     62     OMX_TICKS mTimeStamps[kNumBuffers];
     63     uint8_t mTimeStampIdx;
     64     vpx_image_t *mImg;
     65 
     66     status_t initDecoder();
     67     status_t destroyDecoder();
     68     bool outputBuffers(bool flushDecoder, bool display, bool eos, bool *portWillReset);
     69 
     70     DISALLOW_EVIL_CONSTRUCTORS(SoftVPX);
     71 };
     72 
     73 }  // namespace android
     74 
     75 #endif  // SOFT_VPX_H_
     76