如何解决ffmpeg concat失败,dts计时错误
我有一些视频试图与ffmpeg结合,它们本身都可以正常工作,但尝试通过以下命令对其进行结合:
ffmpeg -f concat -safe 0 -fflags flush_packets -fflags discardcorrupt -i ./videos.txt -c copy -an 1.mp4
这不是实时流或mpeg破折号,它只是我想加入一个较长视频中的独立mp4。
这只是不断的错误流:
[mp4 @ 0x5560664a1780] Non-monotonous DTS in output stream 0:0; previous: 72811593,current: 4396274; changing to 72811594. This may result in incorrect timestamps in the output file.
[mp4 @ 0x5560664a1780] Non-monotonous DTS in output stream 0:0; previous: 72811594,current: 4396786; changing to 72811595. This may result in incorrect timestamps in the output file.
[mp4 @ 0x5560664a1780] Non-monotonous DTS in output stream 0:0; previous: 72811595,current: 4397298; changing to 72811596. This may result in incorrect timestamps in the output file.
[mp4 @ 0x5560664a1780] Non-monotonous DTS in output stream 0:0; previous: 72811596,current: 4397810; changing to 72811597. This may result in incorrect timestamps in the output file.
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x55e9b217ab40] Dropped corrupted packet (stream = 0)
[mov,mj2 @ 0x55e9b217ab40] stream 1,offset 0x402a6: partial file
./videos.txt: Invalid data found when processing input
请注意,这些不是.ts视频,而是mp4视频。
Here's an example of ffprobe from
Metadata:
minor_version : 512
major_brand : isom
compatible_brands: isomiso2avc1mp41
comment : vid:v09044820000brpbed8biap950ufpcr0
encoder : Lavf58.20.100
Duration: 00:00:14.70,start: 0.000000,bitrate: 901 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661),yuv420p,576x1024 [SAR 1:1 DAR 9:16],830 kb/s,29.97 fps,29.97 tbr,11988 tbn,59.94 tbc (default)
Metadata:
handler_name : VideoHandler
Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D),44100 Hz,stereo,fltp,64 kb/s (default)
Metadata:
handler_name : SoundHandler
另一个视频文件
Metadata:
minor_version : 512
major_brand : isom
compatible_brands: isomiso2avc1mp41
comment : vid:v090447e0000bo8lplu9uukrbn9qbupg
encoder : Lavf58.20.100
Duration: 00:00:12.12,bitrate: 791 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661),yuv420p(tv,smpte170m/bt470bg/smpte170m),576x1024,718 kb/s,30 fps,30 tbr,1000k tbn,60 tbc (default)
Metadata:
handler_name : VideoHandler
Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D),64 kb/s (default)
Metadata:
handler_name : SoundHandler
解决方法
所有输入必须具有相同的属性才能获得最佳结果。您的帧速率和时标有所不同。使输入1与输入2匹配的示例:
ffmpeg -i 2997.mp4 -r 30 -video_track_timescale 1000k -c:a copy 30.mp4
这将消除Non-monotonous DTS
错误。 Invalid data found when processing input
错误可能无关。
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