看描述，感觉可能是 p 变量使用前没有声明
error: ‘PIX_FMT_YUV420P’ was not declared in this scope,使用3系列的的ffmpeg,也不行。只能手工添加AV_
a[Error] C:\\Documents\\C-Free\\Temp\\未命名7.cpp:60: error: `clrscr\' was not declared in this scope (错误) C:\ \文件\ \无C \ \临时雇员\ \未命名7.cpp :60 : 错误: “clrscr \’在这个范围未被宣称[translate] acan do attitude 能做态度[translate] ...
1 [Error]'free'was not declared inthisscope 这是因为free函数不是 C++ 标准库函数之一,需要包含头文件cstdlib才能使用该函数。在使用free函数之前,请确保已经包含了cstdlib头文件: 1 2 3 4 5 6 7 8 #include <cstdlib> // 包含头文件,以便使用 free 函数 intmain() { int*p = (int*)malloc(sizeof(...
a`sum' was not declared in this scope “总和’在这个范围未被宣称[translate] aAre you Tommy 是您托米[translate] athe biggest number that can be fromed is 3 可以是的最大的数字fromed是3[translate] aOthers think I'm good, I feel so tired 其他认为我是好,我感到很疲乏[translate] ...
Re: PlatformIO/Arduino/ESP-IDF: 'Serial' was not declared in this scope Postbymcknly»Mon May 20, 2024 6:15 pm Same issue, mine was caused by using 'main.c' instead of 'main.cpp'. Fixed by using cpp extension. Source:https://community.platformio.org/t/iden ... ared/25114 ...
not declared in this scope make: *** [/home/dr/workspace/OpensslTest/obj/local/armeabi/objs/jni_openssltest/jni_main. o] Error 1 dr@dr-OptiPlex-3010:~/workspace/OpensslTest/jni$ 好了,验证了。再次感谢那哥们的翻译,真是太好了。
Re: 'I2S_MODE_ADC_BUILT_IN' was not declared in this scope for ESP32S3? by ESP_Sprite » Thu Apr 27, 2023 1:23 am The S3 has the ADC as its own peripheral that is DMA-capable rather than using the I2S peripheral for that. See the adc_digi_* function calls here for how to...
checkForRestart()': C:\Users\Ed\IDE 2.0 Sketches-Libraries\Energy Monitor\Energy_Monitor_2M\Energy_Monitor_2M.ino:869:22: error: 'ESP_RST_REASON_SW_CPU_RESET' was not declared in this scope exit status 1 Compilation error: 'ESP_RST_REASON_SW_CPU_RESET' was not declared in this scope...
../TouchGFX/target/generated/STM32DMA.cpp: In member function 'virtual void STM32F4DMA::setupDataFill(const touchgfx::BlitOp&)': ../TouchGFX/target/generated/STM32DMA.cpp:325:37: error: 'getChromARTOutputFormat' was not declared in this scope 325 | uint32_t dma2dOutputColorMode = getChr...