1 /* 2 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef DECODER_H 17 #define DECODER_H 18 #include <string> 19 #include "codec_type.h" 20 21 namespace OHOS { 22 namespace Media { 23 const int CODEC_SUCCESS = 0; 24 const int CODEC_FAILURE = -1; 25 26 typedef struct { 27 AvCodecMime mime; 28 uint32_t maxWidth; 29 uint32_t maxHeight; 30 uint32_t bufSize; 31 uint32_t frameBufCnt; // todo buffer ����Ӧ������������������ 32 void *priv; 33 } VdecAttr; 34 35 typedef struct { 36 AvCodecMime mime; 37 int32_t bufSize; 38 int32_t channelCnt; /* for pcm frame */ 39 void *priv; 40 } AdecAttr; 41 42 typedef struct { 43 union { 44 AdecAttr adecAttr; 45 VdecAttr vdecAttr; 46 }; 47 CodecType type; 48 } AvAttribute; 49 50 class Decoder { 51 public: 52 Decoder(); 53 54 virtual ~Decoder(); 55 56 static int32_t GetCapbilityByMime(AvCodecMime mime, CodecType type, uint32_t flags, CodecCapbility &cap); 57 58 int32_t CreateHandle(const std::string &name, AvAttribute &attr); 59 60 int32_t DestroyHandle(); 61 62 int32_t SetPortBufferMode(DirectionType type, BufferMode mode); 63 64 int32_t SetMetadata(const Param *params, int paramCnt); 65 66 int32_t GetMetadata(Param *param, int paramCnt); 67 68 int32_t StartDec(); 69 70 int32_t StopDec(); 71 72 int32_t FlushDec(); 73 74 int32_t QueueInputBuffer(InputInfo &inputData, uint32_t timeoutMs); 75 76 int32_t DequeInputBuffer(InputInfo &inputData, uint32_t timeoutMs); 77 78 int32_t QueueOutputBuffer(OutputInfo &outInfo, uint32_t timeoutMs); 79 80 int32_t DequeueOutputBuffer(OutputInfo &outInfo, uint32_t timeoutMs); 81 82 int32_t SetCallback(CodecCallback &cb, UINTPTR instance); 83 84 private: 85 CODEC_HANDLETYPE codecHandle_; 86 }; 87 } 88 } 89 #endif 90