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      1 /*
      2  * Copyright (C) 2013 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_VIDEO_DECODER_OMX_COMPONENT_H_
     18 
     19 #define SOFT_VIDEO_DECODER_OMX_COMPONENT_H_
     20 
     21 #include "SimpleSoftOMXComponent.h"
     22 
     23 #include <media/stagefright/foundation/AHandlerReflector.h>
     24 #include <media/IOMX.h>
     25 
     26 #include <utils/RefBase.h>
     27 #include <utils/threads.h>
     28 #include <utils/Vector.h>
     29 
     30 #define ARRAY_SIZE(a) (sizeof(a) / sizeof(*(a)))
     31 
     32 namespace android {
     33 
     34 struct SoftVideoDecoderOMXComponent : public SimpleSoftOMXComponent {
     35     SoftVideoDecoderOMXComponent(
     36             const char *name,
     37             const char *componentRole,
     38             OMX_VIDEO_CODINGTYPE codingType,
     39             const CodecProfileLevel *profileLevels,
     40             size_t numProfileLevels,
     41             int32_t width,
     42             int32_t height,
     43             const OMX_CALLBACKTYPE *callbacks,
     44             OMX_PTR appData,
     45             OMX_COMPONENTTYPE **component);
     46 
     47 protected:
     48     virtual void onPortEnableCompleted(OMX_U32 portIndex, bool enabled);
     49     virtual void onReset();
     50 
     51     virtual OMX_ERRORTYPE internalGetParameter(
     52             OMX_INDEXTYPE index, OMX_PTR params);
     53 
     54     virtual OMX_ERRORTYPE internalSetParameter(
     55             OMX_INDEXTYPE index, const OMX_PTR params);
     56 
     57     virtual OMX_ERRORTYPE getConfig(
     58             OMX_INDEXTYPE index, OMX_PTR params);
     59 
     60     void initPorts(OMX_U32 numInputBuffers,
     61             OMX_U32 inputBufferSize,
     62             OMX_U32 numOutputBuffers,
     63             const char *mimeType);
     64 
     65     virtual void updatePortDefinitions();
     66 
     67     enum {
     68         kInputPortIndex  = 0,
     69         kOutputPortIndex = 1,
     70         kMaxPortIndex = 1,
     71     };
     72 
     73     uint32_t mWidth, mHeight;
     74     uint32_t mCropLeft, mCropTop, mCropWidth, mCropHeight;
     75 
     76     enum {
     77         NONE,
     78         AWAITING_DISABLED,
     79         AWAITING_ENABLED
     80     } mOutputPortSettingsChange;
     81 
     82 private:
     83     const char *mComponentRole;
     84     OMX_VIDEO_CODINGTYPE mCodingType;
     85     const CodecProfileLevel *mProfileLevels;
     86     size_t mNumProfileLevels;
     87 
     88     DISALLOW_EVIL_CONSTRUCTORS(SoftVideoDecoderOMXComponent);
     89 };
     90 
     91 }  // namespace android
     92 
     93 #endif  // SOFT_VIDEO_DECODER_OMX_COMPONENT_H_
     94