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ffmpeg_beginner's Introduction

ffmpeg_beginner

FFmpeg5入门系列教程索引ffmpeg5入门系列教程代码

源码

3.get_lib_version

获取库版本信息并解析输出可读信息

4.get_stream_info

输出视频的基本信息（时长、码率、编码方式等等）

5.video_decode_flow

视频解码的基本流程

6.video_decode_frame_save

解码视频并保存其中的50帧画面为ppm格式图片

7.video_decode_mp42yuv

视频解码的基本流程并输出视频信息，将解码后的视频数据保存为YUV格式文件

分别解码为YUV420P/YUV420SP

8.video_decode_by_cpu_display_by_qwidget

使用CPU解码视频，然后使用Qt的QWidget显示画面

9.video_decode_by_cpu_display_by_qopengl

使用CPU解码视频，然后使用Qt的QOpenGL显示画面

两种方法仅供参考

10.video_decode_by_cpu_display_by_qml

使用CPU解码视频，然后使用QML显示画面

11.video_decode_by_cuda_display_by_qt

使用CUDA解码视频并使用Qt的QWidget/QOpenGL/QML显示视频

12.video_encode_yuv2h264

将yuv源视频文件编码为h264格式的文件

13.video_encode_h2642mp4

将h264编码为mp4格式文件

14.video_encode_camera2h264

将摄像头捕获的视频直接编码为H264格式

15.audio_decode_mp32pcm

将mp3文件解码为pcm文件

16.audio_decode_swr_mp32pcm

将mp3音频重采样解码为pcm

17.audio_player_decode_by_ffmpeg_play_by_qt

使用FFmpeg解码音频，使用Qt播放音频

18.audio_player_decode_from_mem_play_by_qt

解码内存中的mp3数据并使用Qt播放

19.audio_encode_pcm2mp3

将pcm格式文件编码为mp3格式

20.audio_video_sync

Qt简单视频播放器，带音视频同步

21.video_decode_add_filter_display_by_qwidget

使用CPU解码视频，并添加滤镜，然后使用QWidget显示画面

22.video_demuxer_mp42h264mp3

将mp4分解为h264和mp3

23.video_demuxer_mp42yuvpcm

将mp4分解为h264和mp3，并在此基础上将h264解码为yuv，将mp3解码为pcm

24.video_muxer_mp3h2642mp4

将h264和mp3合并为mp4

RTSParser

收RTSP流，并解析流中的H264数据

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