我从直播流的m3u8中下载下来的TS文件片段，在直播结束之后，使用ffmpeg合成整个文件时
ffmpeg -f concat -safe 0 -i 1.txt -c copy 1.mp4
无法进行合成。提示如下错误：
[hevc @ 00000298257ae740] PPS id out of range: 0
[hevc @ 00000298257ae740] Error parsing NAL unit #1.
[NULL @ 0000029825704f80] PPS id out of range: 0
[hevc @ 00000298257ae740] PPS id out of range: 0
[hevc @ 00000298257ae740] Error parsing NAL unit #1.
[NULL @ 0000029825704f80] PPS id out of range: 0
[hevc @ 00000298257ae740] PPS id out of range: 0
[hevc @ 00000298257ae740] Error parsing NAL unit #1.
[NULL @ 0000029825704f80] PPS id out of range: 0
[hevc @ 00000298257ae740] PPS id out of range: 0
[hevc @ 00000298257ae740] Error parsing NAL unit #1.
[NULL @ 0000029825704f80] PPS id out of range: 0
[hevc @ 00000298257ae740] PPS id out of range: 0
[hevc @ 00000298257ae740] Error parsing NAL unit #1.
[NULL @ 0000029825704f80] PPS id out of range: 0
[hevc @ 00000298257ae740] PPS id out of range: 0
[hevc @ 00000298257ae740] Error parsing NAL unit #1.
[NULL @ 0000029825704f80] PPS id out of range: 0
[hevc @ 00000298257ae740] PPS id out of range: 0
[hevc @ 00000298257ae740] Error parsing NAL unit #1.
[NULL @ 0000029825704f80] PPS id out of range: 0
[hevc @ 00000298257ae740] PPS id out of range: 0
[hevc @ 00000298257ae740] Error parsing NAL unit #1.
[concat @ 00000298256d97c0] decoding for stream 0 failed
[concat @ 00000298256d97c0] Could not find codec parameters for stream 0 (Video: hevc ([36][0][0][0] / 0x0024), none): unspecified size
Consider increasing the value for the 'analyzeduration' and 'probesize' options
Input #0, concat, from '2020-08-26-07-22.txt':
Duration: N/A, start: 0.000000, bitrate: N/A
Stream #0:0: Video: hevc ([36][0][0][0] / 0x0024), none, 14.99 fps, 14.99 tbr, 90k tbn, 90k tbc
Stream #0:1: Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100 Hz, stereo, fltp, 134 kb/s
[mp4 @ 0000029825f16700] dimensions not set
Could not write header for output file #0 (incorrect codec parameters ?): Invalid argument
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (copy)
Last message repeated 1 times
后来我使用格式工厂，查看TS文件的属性，发现现在的TS文件中Video属性是这样的
Video
ID : 256 (0x100)
Menu ID : 1 (0x1)
Format : HEVC
Format/Info : High Efficiency Video Coding
Format profile : Main@L3.1@Main
Codec ID : 36
Duration : 8 min 47 s
Width : 720 pixels
Height : 1 280 pixels
Display aspect ratio : 0.563
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
而上述异常的TS文件中Video属性却少很多，没有Color space，Width，Height 等属性值。
Video
ID : 256 (0x100)
Menu ID : 1 (0x1)
Format : HEVC
Format/Info : High Efficiency Video Coding
Codec ID : 36
Duration : 3 s 938 ms
有没有办法把这些属性直播添加到TS文件中呢？
链接：https://pan.baidu.com/s/1dXQy3TLx8HQd9ZxROV5M0A
提取码：1111
百度网盘中共享出来1个有问题的TS文件，请指教。
Could not find codec parameters for stream 0 (Video: hevc ([36][0][0][0] / 0x0024), none): unspecified size
数据格式的问题
解决参考：
https://blog.csdn.net/weixin_34187822/article/details/85926723
本地文件合并:
-i concat:"1.ts|2.ts|3.ts" -vcodec copy -acodec copy "合并.mp4" -y
远程合并：
-allowed_extensions ALL -protocol_whitelist "file,http,crypto,tcp,https,tls" -i "http://1.com/test.m3u8" -vcodec copy -acodec copy -absf aac_adtstoasc "合并.mp4"
另外检查m3u8里面有没有key文件