inpoint 00:00:00.000 outpoint 00:00:05.000 每个片段只去前5秒,然后执行命令。 查看生成的文件: $ ffprobe-v quiet-show_entries stream=duration,start_time,codec_name concat.mp4[STREAM]codec_name=h264 start_time=0.000000duration=15.000000[/STREAM][STREAM]codec_name=ac3 start_time=0.000000duration=14...
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If set to 1, every packet will contain the lavf.concat.start_time and the lavf.concat.duration packet metadata values which are the start_time and the duration of the respective file segments in the concatenated output expressed in microseconds. The duration metadata is only set if it is know...
If set to 1, try to perform automatic conversions on packet data to make the streams concatenable. The default is 1. Currently, the only conversion is adding the h264_mp4toannexb bitstream filter to H.264 streams in MP4 format. This is necessary in particular if there are resolution chang...
If set to 1, every packet will contain the lavf.concat.start_time and the lavf.concat.duration packet metadata values which are the start_time and the duration of the respective file segments in the concatenated output expressed in microseconds. The duration metadata is only set if it is know...
在某些视频格式标准中（也就是容器中）是不支持字幕的，例如将mkv文件转码成为ts文件或者mp4文件后，有...
一、测试需求：测试20个用户访问网站在负载达到30QPS时的平均响应时间 二、QPS：Query Per Second ...
if (file->duration == AV_NOPTS_VALUE && file->outpoint != AV_NOPTS_VALUE) file->duration = file->outpoint - file->file_inpoint;if (cat->segment_time_metadata) { av_dict_set_int(&file->metadata, "lavf.concatdec.start_time", file->start_time, 0); ...
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