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      1 /*
      2  * Copyright 2014 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_ENCODER_OMX_COMPONENT_H_
     18 
     19 #define SOFT_VIDEO_ENCODER_OMX_COMPONENT_H_
     20 
     21 #include <media/IOMX.h>
     22 
     23 #include "SimpleSoftOMXComponent.h"
     24 #include <system/window.h>
     25 
     26 struct hw_module_t;
     27 
     28 namespace android {
     29 
     30 struct SoftVideoEncoderOMXComponent : public SimpleSoftOMXComponent {
     31     SoftVideoEncoderOMXComponent(
     32             const char *name,
     33             const char *componentRole,
     34             OMX_VIDEO_CODINGTYPE codingType,
     35             const CodecProfileLevel *profileLevels,
     36             size_t numProfileLevels,
     37             int32_t width,
     38             int32_t height,
     39             const OMX_CALLBACKTYPE *callbacks,
     40             OMX_PTR appData,
     41             OMX_COMPONENTTYPE **component);
     42 
     43     virtual OMX_ERRORTYPE internalSetParameter(OMX_INDEXTYPE index, const OMX_PTR param);
     44     virtual OMX_ERRORTYPE internalGetParameter(OMX_INDEXTYPE index, OMX_PTR params);
     45 
     46 protected:
     47     void initPorts(
     48             OMX_U32 numInputBuffers, OMX_U32 numOutputBuffers, OMX_U32 outputBufferSize,
     49             const char *mime, OMX_U32 minCompressionRatio = 1);
     50 
     51     static void setRawVideoSize(OMX_PARAM_PORTDEFINITIONTYPE *def);
     52 
     53     static void ConvertFlexYUVToPlanar(
     54             uint8_t *dst, size_t dstStride, size_t dstVStride,
     55             struct android_ycbcr *ycbcr, int32_t width, int32_t height);
     56 
     57     static void ConvertYUV420SemiPlanarToYUV420Planar(
     58             const uint8_t *inYVU, uint8_t* outYUV, int32_t width, int32_t height);
     59 
     60     static void ConvertRGB32ToPlanar(
     61         uint8_t *dstY, size_t dstStride, size_t dstVStride,
     62         const uint8_t *src, size_t width, size_t height, size_t srcStride,
     63         bool bgr);
     64 
     65     const uint8_t *extractGraphicBuffer(
     66             uint8_t *dst, size_t dstSize, const uint8_t *src, size_t srcSize,
     67             size_t width, size_t height) const;
     68 
     69     virtual OMX_ERRORTYPE getExtensionIndex(const char *name, OMX_INDEXTYPE *index);
     70 
     71     enum {
     72         kInputPortIndex = 0,
     73         kOutputPortIndex = 1,
     74     };
     75 
     76     bool mInputDataIsMeta;
     77     int32_t mWidth;      // width of the input frames
     78     int32_t mHeight;     // height of the input frames
     79     uint32_t mBitrate;   // target bitrate set for the encoder, in bits per second
     80     uint32_t mFramerate; // target framerate set for the encoder, in Q16 format
     81     OMX_COLOR_FORMATTYPE mColorFormat;  // Color format for the input port
     82 
     83 private:
     84     void updatePortParams();
     85     OMX_ERRORTYPE internalSetPortParams(const OMX_PARAM_PORTDEFINITIONTYPE* port);
     86 
     87     static const uint32_t kInputBufferAlignment = 1;
     88     static const uint32_t kOutputBufferAlignment = 2;
     89 
     90     mutable const hw_module_t *mGrallocModule;
     91 
     92     uint32_t mMinOutputBufferSize;
     93     uint32_t mMinCompressionRatio;
     94 
     95     const char *mComponentRole;
     96     OMX_VIDEO_CODINGTYPE mCodingType;
     97     const CodecProfileLevel *mProfileLevels;
     98     size_t mNumProfileLevels;
     99 
    100     DISALLOW_EVIL_CONSTRUCTORS(SoftVideoEncoderOMXComponent);
    101 };
    102 
    103 }  // namespace android
    104 
    105 #endif  // SOFT_VIDEO_ENCODER_OMX_COMPONENT_H_
    106