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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 namespace android {
     31 
     32 struct SoftVideoDecoderOMXComponent : public SimpleSoftOMXComponent {
     33     SoftVideoDecoderOMXComponent(
     34             const char *name,
     35             const char *componentRole,
     36             OMX_VIDEO_CODINGTYPE codingType,
     37             const CodecProfileLevel *profileLevels,
     38             size_t numProfileLevels,
     39             int32_t width,
     40             int32_t height,
     41             const OMX_CALLBACKTYPE *callbacks,
     42             OMX_PTR appData,
     43             OMX_COMPONENTTYPE **component);
     44 
     45 protected:
     46     virtual void onPortEnableCompleted(OMX_U32 portIndex, bool enabled);
     47     virtual void onReset();
     48 
     49     virtual OMX_ERRORTYPE internalGetParameter(
     50             OMX_INDEXTYPE index, OMX_PTR params);
     51 
     52     virtual OMX_ERRORTYPE internalSetParameter(
     53             OMX_INDEXTYPE index, const OMX_PTR params);
     54 
     55     virtual OMX_ERRORTYPE getConfig(
     56             OMX_INDEXTYPE index, OMX_PTR params);
     57 
     58     virtual OMX_ERRORTYPE getExtensionIndex(
     59             const char *name, OMX_INDEXTYPE *index);
     60 
     61     void initPorts(OMX_U32 numInputBuffers,
     62             OMX_U32 inputBufferSize,
     63             OMX_U32 numOutputBuffers,
     64             const char *mimeType,
     65             OMX_U32 minCompressionRatio = 1u);
     66 
     67     virtual void updatePortDefinitions(bool updateCrop = true, bool updateInputSize = false);
     68 
     69     uint32_t outputBufferWidth();
     70     uint32_t outputBufferHeight();
     71 
     72     enum CropSettingsMode {
     73         kCropUnSet = 0,
     74         kCropSet,
     75         kCropChanged,
     76     };
     77     void handlePortSettingsChange(
     78             bool *portWillReset, uint32_t width, uint32_t height,
     79             CropSettingsMode cropSettingsMode = kCropUnSet, bool fakeStride = false);
     80 
     81     void copyYV12FrameToOutputBuffer(
     82             uint8_t *dst, const uint8_t *srcY, const uint8_t *srcU, const uint8_t *srcV,
     83             size_t srcYStride, size_t srcUStride, size_t srcVStride);
     84 
     85     enum {
     86         kInputPortIndex  = 0,
     87         kOutputPortIndex = 1,
     88         kMaxPortIndex = 1,
     89     };
     90 
     91     bool mIsAdaptive;
     92     uint32_t mAdaptiveMaxWidth, mAdaptiveMaxHeight;
     93     uint32_t mWidth, mHeight;
     94     uint32_t mCropLeft, mCropTop, mCropWidth, mCropHeight;
     95 
     96     enum {
     97         NONE,
     98         AWAITING_DISABLED,
     99         AWAITING_ENABLED
    100     } mOutputPortSettingsChange;
    101 
    102 private:
    103     uint32_t mMinInputBufferSize;
    104     uint32_t mMinCompressionRatio;
    105 
    106     const char *mComponentRole;
    107     OMX_VIDEO_CODINGTYPE mCodingType;
    108     const CodecProfileLevel *mProfileLevels;
    109     size_t mNumProfileLevels;
    110 
    111     DISALLOW_EVIL_CONSTRUCTORS(SoftVideoDecoderOMXComponent);
    112 };
    113 
    114 }  // namespace android
    115 
    116 #endif  // SOFT_VIDEO_DECODER_OMX_COMPONENT_H_
    117