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be based on ffmpeg Extension library sample environment project creation and invocation

One 、FFmpeg Download the development library file

download FFmpeg 4.0.1 32 position

link : https://pan.baidu.com/s/1Xb7EK9-QfLBKqOFdeaJ1Og Extraction code : 9j5e

Two 、PyFFmpeg Extension library creation

Create a PyFFmpeg project

Create an empty project Dll.

Set to Release x86.

Add one PyFFmpeg.cpp

#include<Python.h>
// Open to python
// Module entry Module name pyffmpeg
PyMODINIT_FUNC PyInit_pyffmpeg(void)
{

PyObject *m = NULL;
static PyModuleDef ffmod = {

PyModuleDef_HEAD_INIT,
"pyffmpeg",
"", -1, 0
};
m = PyModule_Create(&ffmod);
return m;
}

add to Attach include directory

$(PYTHONHOME)include
$(PYTHONHOME)PC

add to Additional Library Directory

$(PYTHONHOME)PCbuild\win32

Compile at this time , Can pass normally .

3、 ... and 、PyFFmpeg Extension library call

Add one testmod.py

import pyffmpeg
input()

c++ Add prompt output in ：

#include<Python.h>
// Open to python
// Module entry Module name pyffmpeg
PyMODINIT_FUNC PyInit_pyffmpeg(void)
{

PyObject *m = NULL;
static PyModuleDef ffmod = {

PyModuleDef_HEAD_INIT,
"pyffmpeg",
"", -1, 0
};
m = PyModule_Create(&ffmod);
printf("Pyinit_pyffmpeg\n");
return m;
}

Add project debug parameters

$(PYTHONHOME)PCbuild\win32\python.exe
testmod.py

Adjust the path of the output file ：

$(PYTHONHOME)Lib\site-packages\pyffmpeg.pyd

function You can see that the creation is successful

Four 、 summary

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