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/*
* Copyright 2022 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 GOLDFISH_HEVC_HELPER_H_
#define GOLDFISH_HEVC_HELPER_H_
#include <inttypes.h>
#include "ihevc_typedefs.h"
#include "ihevcd_cxa.h"
namespace android {
// this class is just to provide some functions to decode header
// so that we know w/h of each sps
class GoldfishHevcHelper {
public:
GoldfishHevcHelper(int w, int h);
~GoldfishHevcHelper();
// check whether the frame is vps; typical hevc will have
// a frame that is vps/sps/pps together
static bool isVpsFrame(const uint8_t* frame, int inSize);
public:
// return true if decoding finds out w/h changed;
// otherwise false
bool decodeHeader(const uint8_t *frame, int inSize);
int getWidth() const { return mWidth; }
int getHeight() const { return mHeight; }
private:
void createDecoder();
void destroyDecoder();
void resetDecoder();
void setNumCores();
void setParams(size_t stride, IVD_VIDEO_DECODE_MODE_T dec_mode);
bool setDecodeArgs(ivd_video_decode_ip_t *ps_decode_ip,
ivd_video_decode_op_t *ps_decode_op,
const uint8_t *inBuffer, uint32_t displayStride,
size_t inOffset, size_t inSize, uint32_t tsMarker);
private:
iv_obj_t *mDecHandle = nullptr;
int mWidth = 320;
int mHeight = 240;
int mNumCores = 1;
int mStride = 16;
int mOutputDelay = 8; // default
IV_COLOR_FORMAT_T mIvColorformat = IV_YUV_420P;
};
} // namespace android
#endif
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