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1 /*
2  * Copyright (c) 2024-2024 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 AVCODEC_SAMPLE_SAMPLE_INFO_H
17 #define AVCODEC_SAMPLE_SAMPLE_INFO_H
18 #include <cstdint>
19 #include <securec.h>
20 #include <string>
21 #include <condition_variable>
22 #include <queue>
23 #include "camera_log.h"
24 #include "native_avcodec_base.h"
25 #include "native_avbuffer.h"
26 #include "native_audio_channel_layout.h"
27 #include <refbase.h>
28 
29 namespace OHOS {
30 namespace CameraStandard {
31 constexpr std::string_view MIME_VIDEO_AVC = "video/avc";
32 constexpr std::string_view MIME_VIDEO_HEVC = "video/hevc";
33 
34 constexpr int32_t BITRATE_10M = 10 * 1000 * 1000; // 10Mbps
35 constexpr int32_t BITRATE_20M = 20 * 1000 * 1000; // 20Mbps
36 constexpr int32_t BITRATE_22M = 22 * 1000 * 1000; // 22Mbps
37 constexpr int32_t BITRATE_30M = 30 * 1000 * 1000; // 30Mbps
38 constexpr uint32_t DEFAULT_SAMPLERATE = 48000;
39 constexpr uint64_t DEFAULT_BITRATE = 48000;
40 constexpr uint32_t DEFAULT_CHANNEL_COUNT = 1;
41 constexpr int32_t AUDIO_ENCODE_EXPIREATION_TIME = 2;
42 constexpr OH_AudioChannelLayout CHANNEL_LAYOUT = OH_AudioChannelLayout::CH_LAYOUT_MONO;
43 constexpr OH_BitsPerSample SAMPLE_FORMAT = OH_BitsPerSample::SAMPLE_S16LE;
44 constexpr int32_t COMPLIANCE_LEVEL = 0;
45 constexpr OH_BitsPerSample BITS_PER_CODED_SAMPLE = OH_BitsPerSample::SAMPLE_S16LE;
46 constexpr uint32_t DEFAULT_MAX_INPUT_SIZE = 1024 * DEFAULT_CHANNEL_COUNT * sizeof(short);
47 constexpr int32_t VIDEO_FRAME_INTERVAL = 33333;
48 constexpr float VIDEO_FRAME_INTERVAL_MS = 33.33333;
49 constexpr int32_t AUDIO_FRAME_INTERVAL = 21333;
50 constexpr double VIDEO_FRAME_RATE = 30.0;
51 constexpr int32_t CACHE_FRAME_COUNT = 45;
52 constexpr size_t MAX_AUDIO_FRAME_COUNT = 140;
53 constexpr int32_t BUFFER_RELEASE_EXPIREATION_TIME = 150;
54 constexpr int32_t BUFFER_ENCODE_EXPIREATION_TIME = 10;
55 constexpr int32_t ROTATION_360 = 360;
56 constexpr OH_AVPixelFormat VIDOE_PIXEL_FORMAT = AV_PIXEL_FORMAT_NV21;
57 constexpr int32_t IDR_FRAME_COUNT = 2;
58 const std::string TIMED_METADATA_TRACK_MIMETYPE = "meta/timed-metadata";
59 const std::string TIMED_METADATA_KEY = "com.openharmony.timed_metadata.movingphoto";
60 constexpr int32_t KEY_FRAME_INTERVAL = 10;
61 constexpr int32_t DEFAULT_SIZE = 1920 * 1440;
62 constexpr float VIDEO_BITRATE_CONSTANT = 0.7;
63 constexpr float HEVC_TO_AVC_FACTOR = 1.5;
64 
65 class CodecAVBufferInfo : public RefBase {
66 public:
CodecAVBufferInfo(uint32_t argBufferIndex,OH_AVBuffer * argBuffer)67     explicit CodecAVBufferInfo(uint32_t argBufferIndex, OH_AVBuffer *argBuffer)
68         : bufferIndex(argBufferIndex), buffer(argBuffer)
69     {
70         // get output buffer attr
71         OH_AVBuffer_GetBufferAttr(argBuffer, &attr);
72     };
73     ~CodecAVBufferInfo() = default;
74     uint32_t bufferIndex = 0;
75     OH_AVBuffer *buffer = nullptr;
76     OH_AVCodecBufferAttr attr = {0, 0, 0, AVCODEC_BUFFER_FLAGS_NONE};
77 
GetCopyAVBuffer()78     OH_AVBuffer *GetCopyAVBuffer()
79     {
80         MEDIA_INFO_LOG("CodecBufferInfo OH_AVBuffer_Create with size: %{public}d", attr.size);
81         OH_AVBuffer *destBuffer = OH_AVBuffer_Create(attr.size);
82         auto sourceAddr = OH_AVBuffer_GetAddr(buffer);
83         auto destAddr = OH_AVBuffer_GetAddr(destBuffer);
84         errno_t cpyRet = memcpy_s(reinterpret_cast<void *>(destAddr), attr.size,
85                                   reinterpret_cast<void *>(sourceAddr), attr.size);
86         if (cpyRet != 0) {
87             MEDIA_ERR_LOG("CodecBufferInfo memcpy_s failed. %{public}d", cpyRet);
88         }
89         OH_AVErrCode errorCode = OH_AVBuffer_SetBufferAttr(destBuffer, &attr);
90         if (errorCode != 0) {
91             MEDIA_ERR_LOG("CodecBufferInfo OH_AVBuffer_SetBufferAttr failed. %{public}d", errorCode);
92         }
93         return destBuffer;
94     }
95 
AddCopyAVBuffer(OH_AVBuffer * IDRBuffer)96     OH_AVBuffer *AddCopyAVBuffer(OH_AVBuffer *IDRBuffer)
97     {
98         if (IDRBuffer == nullptr) {
99             MEDIA_WARNING_LOG("AddCopyAVBuffer without IDRBuffer!");
100             return IDRBuffer;
101         }
102         OH_AVCodecBufferAttr IDRAttr = {0, 0, 0, AVCODEC_BUFFER_FLAGS_NONE};
103         OH_AVCodecBufferAttr destAttr = {0, 0, 0, AVCODEC_BUFFER_FLAGS_NONE};
104         OH_AVBuffer_GetBufferAttr(IDRBuffer, &IDRAttr);
105         int32_t destBufferSize = IDRAttr.size + attr.size;
106         OH_AVBuffer *destBuffer = OH_AVBuffer_Create(destBufferSize);
107         auto destAddr = OH_AVBuffer_GetAddr(destBuffer);
108         auto sourceIDRAddr = OH_AVBuffer_GetAddr(IDRBuffer);
109 
110         errno_t cpyRet = memcpy_s(reinterpret_cast<void *>(destAddr), destBufferSize,
111                                   reinterpret_cast<void *>(sourceIDRAddr), IDRAttr.size);
112         if (cpyRet != 0) {
113             MEDIA_ERR_LOG("CodecBufferInfo memcpy_s IDR frame failed. %{public}d", cpyRet);
114         }
115         destAddr = destAddr + IDRAttr.size;
116         auto sourceAddr = OH_AVBuffer_GetAddr(buffer);
117         cpyRet = memcpy_s(reinterpret_cast<void *>(destAddr), attr.size,
118                           reinterpret_cast<void *>(sourceAddr), attr.size);
119         if (cpyRet != 0) {
120             MEDIA_ERR_LOG("CodecBufferInfo memcpy_s I frame failed. %{public}d", cpyRet);
121         }
122         OH_AVBuffer_Destroy(IDRBuffer);
123         destAttr.size = destBufferSize;
124         destAttr.flags = IDRAttr.flags | attr.flags;
125         MEDIA_INFO_LOG("CodecBufferInfo deep copy with size: %{public}d, %{public}d", destBufferSize, destAttr.flags);
126         OH_AVBuffer_SetBufferAttr(destBuffer, &destAttr);
127         return destBuffer;
128     }
129 };
130 
131 class CodecUserData : public RefBase {
132 public:
133     CodecUserData() = default;
~CodecUserData()134     ~CodecUserData()
135     {
136         inputMutex_.lock();
137         while (!inputBufferInfoQueue_.empty()) {
138             inputBufferInfoQueue_.pop();
139         }
140         inputMutex_.unlock();
141         outputMutex_.lock();
142         while (!outputBufferInfoQueue_.empty()) {
143             outputBufferInfoQueue_.pop();
144         }
145         outputMutex_.unlock();
146     };
147     uint32_t inputFrameCount_ = 0;
148     std::mutex inputMutex_;
149     std::condition_variable inputCond_;
150     std::queue<sptr<CodecAVBufferInfo>> inputBufferInfoQueue_;
151 
152     uint32_t outputFrameCount_ = 0;
153     std::mutex outputMutex_;
154     std::condition_variable outputCond_;
155     std::queue<sptr<CodecAVBufferInfo>> outputBufferInfoQueue_;
156 };
157 } // CameraStandard
158 } // OHOS
159 #endif // AVCODEC_SAMPLE_SAMPLE_INFO_H