add back HEVC SoftOMX decoder

ifeq ($(if $(wildcard external/libhevc),1,0),1)

LOCAL_PATH := $(call my-dir)

include $(CLEAR_VARS)

LOCAL_MODULE            := libstagefright_soft_hevcdec

LOCAL_MODULE_TAGS       := optional

LOCAL_STATIC_LIBRARIES  := libhevcdec

LOCAL_SRC_FILES         := SoftHEVC.cpp

LOCAL_C_INCLUDES := $(TOP)/external/libhevc/decoder

LOCAL_C_INCLUDES += $(TOP)/external/libhevc/common

LOCAL_C_INCLUDES += $(TOP)/frameworks/av/media/libstagefright/include

LOCAL_C_INCLUDES += $(TOP)/frameworks/native/include/media/openmax

LOCAL_SHARED_LIBRARIES  := libstagefright

LOCAL_SHARED_LIBRARIES  += libstagefright_omx

LOCAL_SHARED_LIBRARIES  += libstagefright_foundation

LOCAL_SHARED_LIBRARIES  += libutils

LOCAL_SHARED_LIBRARIES  += liblog

include $(BUILD_SHARED_LIBRARY)

endif

/*

 * Copyright (C) 2014 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#ifndef SOFT_HEVC_H_

#define SOFT_HEVC_H_

#include "SoftVideoDecoderOMXComponent.h"

#include <sys/time.h>

namespace android {

#define ivd_aligned_malloc(alignment, size) memalign(alignment, size)

#define ivd_aligned_free(buf) free(buf)

/** Number of entries in the time-stamp array */

#define MAX_TIME_STAMPS 64

/** Maximum number of cores supported by the codec */

#define CODEC_MAX_NUM_CORES 4

#define CODEC_MAX_WIDTH     1920

#define CODEC_MAX_HEIGHT    1088

/** Input buffer size */

#define INPUT_BUF_SIZE (1024 * 1024)

#define MIN(a, b) ((a) < (b)) ? (a) : (b)

/** Used to remove warnings about unused parameters */

#define UNUSED(x) ((void)(x))

/** Get time */

#define GETTIME(a, b) gettimeofday(a, b);

/** Compute difference between start and end */

#define TIME_DIFF(start, end, diff) \

    diff = ((end.tv_sec - start.tv_sec) * 1000000) + \

            (end.tv_usec - start.tv_usec);

struct SoftHEVC: public SoftVideoDecoderOMXComponent {

    SoftHEVC(const char *name, const OMX_CALLBACKTYPE *callbacks,

            OMX_PTR appData, OMX_COMPONENTTYPE **component);

protected:

    virtual ~SoftHEVC();

    virtual void onQueueFilled(OMX_U32 portIndex);

    virtual void onPortFlushCompleted(OMX_U32 portIndex);

    virtual void onReset();

private:

    // Number of input and output buffers

    enum {

        kNumBuffers = 8

    };

    iv_obj_t *mCodecCtx;         // Codec context

    iv_mem_rec_t *mMemRecords;   // Memory records requested by the codec

    size_t mNumMemRecords;       // Number of memory records requested by the codec

    uint32_t mNewWidth;          // New width after change in resolution

    uint32_t mNewHeight;         // New height after change in resolution

    uint32_t mInitWidth;         // Width used during codec creation

    uint32_t mInitHeight;        // Height used during codec creation

    size_t mStride;              // Stride to be used for display buffers

    size_t mNumCores;            // Number of cores to be uesd by the codec

    struct timeval mTimeStart;   // Time at the start of decode()

    struct timeval mTimeEnd;     // Time at the end of decode()

    // Internal buffer to be used to flush out the buffers from decoder

    uint8_t *mFlushOutBuffer;

    // Status of entries in the timestamp array

    bool mTimeStampsValid[MAX_TIME_STAMPS];

    // Timestamp array - Since codec does not take 64 bit timestamps,

    // they are maintained in the plugin

    OMX_S64 mTimeStamps[MAX_TIME_STAMPS];

    OMX_COLOR_FORMATTYPE mOmxColorFormat;    // OMX Color format

    IV_COLOR_FORMAT_T mIvColorFormat;        // Ittiam Color format

    bool mIsInFlush;        // codec is flush mode

    bool mReceivedEOS;      // EOS is receieved on input port

    bool mIsAdapting;       // plugin in middle of change in resolution

    status_t initDecoder();

    status_t deInitDecoder();

    status_t setFlushMode();

    status_t setParams(WORD32 stride, IVD_VIDEO_DECODE_MODE_T decMode);

    status_t getVersion();

    status_t setNumCores();

    status_t resetDecoder();

    status_t resetPlugin();

    DISALLOW_EVIL_CONSTRUCTORS (SoftHEVC);

};

} // namespace android

#endif  // SOFT_HEVC_H_