67 lines
2.0 KiB
C++
67 lines
2.0 KiB
C++
/*
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* Copyright 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef GOLDFISH_H264_HELPER_H_
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#define GOLDFISH_H264_HELPER_H_
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#include <inttypes.h>
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#include "ih264_typedefs.h"
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#include "ih264d.h"
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namespace android {
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// this class is just to provide some functions to decode header
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// so that we know w/h of each sps
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class GoldfishH264Helper {
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public:
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GoldfishH264Helper(int w, int h);
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~GoldfishH264Helper();
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// check whether the frame is sps; typical h264 will have
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// a frame that is sps/pps together
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static bool isSpsFrame(const uint8_t* frame, int inSize);
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public:
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// return true if decoding finds out w/h changed;
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// otherwise false
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bool decodeHeader(const uint8_t *frame, int inSize);
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int getWidth() const { return mWidth; }
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int getHeight() const { return mHeight; }
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private:
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void createDecoder();
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void destroyDecoder();
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void resetDecoder();
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void setNumCores();
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void setParams(size_t stride, IVD_VIDEO_DECODE_MODE_T dec_mode);
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bool setDecodeArgs(ivd_video_decode_ip_t *ps_decode_ip,
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ivd_video_decode_op_t *ps_decode_op,
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const uint8_t *inBuffer, uint32_t displayStride,
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size_t inOffset, size_t inSize, uint32_t tsMarker);
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private:
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iv_obj_t *mDecHandle = nullptr;
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int mWidth = 320;
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int mHeight = 240;
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int mNumCores = 1;
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int mStride = 16;
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int mOutputDelay = 8; // default
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IV_COLOR_FORMAT_T mIvColorformat = IV_YUV_420P;
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};
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} // namespace android
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#endif
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