hls_start_number n sets the value of sequence number in the playlist to number, and the default value is 0. This option can avoid storing too many slices on the disk, and can limit the maximum number of slices written to the disk. If it is set to 0, it will not be overwritten. hls_wrap n sets the number of slices to be overwritten. If it is set to 0, the movie information will be saved. hls_list_size n set the maximum number of entries saved in the playlist. hls_time n sets the length of each slice.
As a result, only the last small part can be played during the last playback (pay special attention during live broadcast). By default, only the latest 5 pieces of information are saved in the m3u8 file. The default length of each piece is 2 seconds. We can directly open m3u8 files by using VLC media player and other playback software, just like playing mp4. Set input Mp4 video files generate a ts file every 15 seconds, and finally generate an m3u8 file, which is the index file of ts. Simple operation but low efficiency ffmpeg -i input.mp4 -c:v libx264 -c:a aac -strict -2 -f hls -hls_list_size 2 -hls_time 15 output.m3u8 Simply put, m3u8 is a video format, which is to divide a video into many small parts to facilitate video loading. " M3U "and" M3U8 "files are the basis of the HTTP Live Streaming (HLS) protocol format used by apple, which can be played on devices such as iPhone and Macbook. M3U8 is a Unicode version of M3U, encoded in UTF-8. Official download website, please configure the environment after downloading and decompressing. It provides a complete solution for recording, converting and streaming audio and video. FFmpeg is an open source computer program that can be used to record, convert digital audio and video, and convert them into streams.
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